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CONTRACT SPECIFICATIONS FOR
2008 WATERLOO HAZ-MAT FIRE TRAINING CENTER 8" WATER MAIN EXT
HAZARDOUS MATERIALS TRAINING CENTER
WATERLOO, IOWA
I HEREBY CERTIFY THAT THIS PLAN AND SPECIFICATION
WAS PREPARED BY ME OR UNDER MY DIRECT PERSONAL
�� $ #I SUPERVISION AND THAT I AM A DULY LICENSED
to Fig PROFESSIONAL ENGINEER UNDER THE LAWS OF THE
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`4•2. ...- R a v, t WILLIAM J.CLAASSEN DATE
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`0.� ss1 a ,✓��.44 MY REGISTRATION RENEWAL DATE IS 12/31/09.
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WATERLOO HAZ-MAT FIRE TRAINING CENTER 8"WATER MAIN EXT
HAZARDOUS MATERIALS TRAINING CENTER
WATERLOO,IOWA
CONTRACT DOCUMENTS
TABLE OF CONTENTS
1. NOTICE OF PUBLIC HEARING AND NOTICE TO BIDDERS
2. INSTRUCTIONS TO BIDDERS
3. FORM OF BID OR PROPOSAL
4. FORM OF BID BOND
5. STATEMENT OF BIDDER'S QUALIFICATIONS
6. TECHNICAL SPECIFICATIONS -WATER MAIN
7. GENERAL SPECIAL PROVISIONS
8. SPECIAL PROVISIONS
9. GENERAL SPECIFICATIONS FOR CONSTRUCTION
10. SUPPLEMENTAL GENERAL SPECIFICATIONS FOR CONSTRUCTION
11. FORM OF CONTRACT
12. FORM OF BOND
NOTICE OF PUBLIC HEARING AND NOTICE TO BIDDERS
Notice is herby given that the Waterloo City Council the City of Waterloo, Iowa, will
meet in the Council Chambers in the City Hall in the City of Waterloo Iowa at 5:30 p.m.
local time, on October 6, 2008, at which time and place they will conduct a public
hearing on the proposed adoption of Plans and Specifications and Form of Contract and
estimate of cost for the 2008 Haz-Mat Fire Training Center 8" Water Main Extension
Project, as described in detail in the Plans and Specifications prepared by Wayne
Claassen Engineering and Surveying, Inc., now available for review and on file in the
office of the City Clerk, 715 Mulberry St., Waterloo, Iowa.
Notice is herby given that the Council of said City will conduct a public hearing on the
proposed plans and specifications, form of contract and estimate of cost for the
improvement project. All proposals received will be opened in an open Council meeting
to be held in the Council Chambers in the City Hall in the City of Waterloo, Iowa on the
6th day of October, 2008 at 5:30 p.m. and the City Council will consider any objections
which may be offered to said Plans and Specifications, Form of Contract and estimate of
cost and to the making of said improvements. The public may file written objections
thereto with the City Clerk before said hearing, or appear and make objections at said
hearing. The extent of the work involved is the construction of approximately 590 feet of
8-inch diameter ductile iron water main and appurtenances to the loop the existing 8-inch
water main.
Proposal for said improvements shall be filed with the City Clerk of the City of Waterloo,
Iowa at her office in the City Hall of said City before 4:00 P.M. on October 3, 2008. All
proposals shall be made on official Proposal Forms furnished by the Hazardous Material
Training Center, and must be enclosed in separate sealed envelopes and plainly identified
as a bid for the aforesaid project, and addressed to the Waterloo City Clerk. Each
proposal shall be accompanied in a separate envelope by either cash, a certified check
drawn on a solvent state, or national bank; or a bid bond, in the form set out in the
Specifications, executed by a cooperation authorize to contract as a surety in the State of
Iowa in the amount equal to five percent (5%) of the amount of the proposal, made
payable to the Hazardous Materials Training Center, Iowa. The bid deposit may be
forfeited to the Hazardous Materials Training Center as liquidated damages in the event
the successful Bidder fails to enter into a contract and maintenance of said improvements
as required by law within 10 days after the acceptance of the proposal. No Bidder may
withdraw a proposal within 30 days after the date set for opening bids.
The successful Bidder shall be required to furnish corporate surety bonds in an amount
equal to 100% of its contract price, said bonds to be issued by a responsible surety
approve by the Hazardous Materials Training Center, and shall guarantee the faithful
performance of the contract and the terms and conditions therein contained and shall
guarantee the prompt payment of all materials and labor and protect and save harmless
the City of Waterloo from claims and damages of any kind caused by the operation of the
contractor and shall also guarantee the maintenance of the improvements in the good
repair for a period of two (2) years from and after the completion and acceptance by the
iHazardous Materials Training Center.
NOTICE OF PUBLIC HEARING HAZ-MAT FIRE TRAINING CENTER 8"WATER MAIN EXT PAGE I OF 3
The contractor will be paid against bi-monthly estimates in cash on the basis of ninety-
five percent (95%) of the work as same is completed and materials delivered and work approved.
Final payment will be made thirty-one (31) days after completion of the work and acceptance by
the Hazardous Materials Training Center. Before final payment is made, vouchers showing that
all subcontractors and workmen and all persons furnishing materials have been fully paid for
such materials and labor will be required unless the Hazardous Materials Training Center is
satisfied that material,men and laborers have been paid.
Plans and Specifications governing the construction of the proposed improvements have
been prepared by Wayne Claassen Engineering and Surveying, Inc., which plans and
specifications and also the prior proceedings of the Hazardous Materials Training Center
referring to and defining said proposed improvements are hereby made a part of this notice, and
the proposed contract by reference shall be executed in compliance therewith.
The contract documents are now available at the Hazardous Materials Training Center
office at the Hazardous Materials Training Center at the aforesaid address.
Plans and Specifications are obtainable by a qualified bidder from the Hazardous
Materials Training Center upon payment of$ ,. 6,t. . The payment is not refundable.
The prime contractor, subcontractors, or suppliers working on the project shall retain their own
set of plans and specifications for use on the project.
The prime contractor will be supplied with the needed number of reduced sets of plans
and specifications at no additional cost. Full-sized sets of plans will be available at $30.00 per
set or individual full-sized sheets at$0.75 per sheet.
If the contract is awarded, the contractor will be required to start construction within 15
days after a fully executed copy of the contract documents is issued. The date for completion is
GgMa I , 2008.
Time is an essential element of this contract. It is important that the work be diligently
pursued to completion. If the work is not completed within the specified contract period, plus
authorized extensions, the contractor shall pay to the Hazardous Materials Training Center
Liquidated Damages in the amount of three hundred dollars ($300.00)per day, for each day, as
further described herein, in excess of the authorized time.
Before the work is commenced on this contract, adonference shall be held for the
purpose of discussing the contract. The conference shall be attended by Hazardous Materials
Training Center officials, the prime contractor, and all subcontractors, if any.
NOTICE OF PUBLIC HEARING HAZ-MAT FIRE TRAINING CENTER 8"WATER MAIN EXT PAGE 2 OF 3
Consideration will be given to the lowest responsible bidder submitting a sealed proposal,
provided,however, that the Hazardous Materials Training Center reserves the right to reject any
and all bids. In evaluating and awarding the contract, the Hazardous Materials Training Center
will give consideration and weight to the bid which offers the best basis of construction, quality,
probable service life and availability of replacement parts for equipment utilized and shall give
due consideration to past experience.
HAZARDOUS MATERIALS TRAINING
CENTER
By 1 %- „Aervy
NOTICE OF PUBLIC HEARING HAZ-MAT FIRE TRAINING CENTER 8"WATER MAIN EXT PAGE 3 OF 3
FORM OF BID OR PROPOSAL
HAZ-MAT FIRE TRAINING CENTER 8"WATER MAIN EXT PROJECT
HAZARDOUS MATERIALS TRAINING CENTER
WATERLOO,IOWA
Hazardous Materials Training Center
1925 Newell Street
Waterloo, Iowa 50703
1. The undersigned,being a Corporation existing under the laws of the State of a
Partnership consisting of the following partners:
,having familiarized(himself) (themselves) (itself)with the existing
conditions on the project area affecting the cost of the work, and with all the contract documents listed
in the Table of Contents and Addenda(if any), as prepared by Wayne Claassen Engineering and
Surveying, Inc. are now on file in the office of the Hazardous Materials Training Center,Waterloo,
Iowa,hereby proposes to furnish all supervision, technical personnel, labor,materials,machinery,
tools, appurtenances, equipment, and services,including utility and transportation services required to
construct and complete this HAZ-MAT FIRE TRAINING CENTER 8"WATER MAIN
EXTENSION project., all in accordance with the above-listed documents and for the unit prices for
work in place for the following items and quantities:
ITEM EST. UNIT TOTAL
NO. DESCRIPTION UNIT QTY. PRICE PRICE
001. Water Main, 8"Dia., Class 52 Dip L.F. 590
002. Tapping Valve, Sleeve and Box, 8"Dia., Each 1
complete
003. Gate Valve,With Box, 8"Dia., Complete Each 1
004. Fire Hydrant, 6.5' Bury and Assembly,
Complete Each 1
005. Fire Hydrant, Remove and Re-Install,
Complete Each 1
006. Water Main, 8"Dia. Tie-in to Existing Each 2
007. Bend, 8"Dia., 22.5 Degree Ductile Iron,
M,J„with Thrust Restraint Each 1
FORM OF BID HAZ-MAT FIRE TRAINING CENTER 8"WATER MAIN EXT PAGE 1 OF 3
008. Bend, 8"Dia., 90 Degrees, Ductile Iron
M.J.,with Trust Restraint Each 1
09. Seeding Fertilizing&Mulching. (Urban Mix)Acres 0.7
017. Traffic Control L.S. 1
018. Maintenance Bond,Two (2)Year L.S. 1
TOTAL BID
2. It is understood that the quantities set forth are approximate only and subject to variation and that the
unit bid price for the work done shall govern in the actual payment to Contractor.
3. In submitting this bid,the bidder understands that the right is reserved by the Hazardous Materials
Training Center to reject any or all bids. If written notice of the acceptance of this bid is mailed,
telegraphed, or delivered to the undersigned within thirty(30)days after the opening thereof, or at any
time thereafter before this bid is withdrawn,the undersigned agrees to execute and deliver an
agreement in the prescribed form and furnish the required bond and certificate of the insurance within
ten(10) days after the agreement is presented to him for signature, and start work within ten(10) days
after "Notice to Proceed" is issued.
4. Security in the sum of Dollars
($ )in the form of , is submitted herewith in
accordance with the INSTRUCTIONS TO BIDDERS.
5. The bidder is prepared to submit a financial and experience statement upon request.
6. The bidder has received the following Addendum or Addenda:
Addendum No. Date
7. The bidder has filled in all blanks on this proposal.
8. The bidder has attached all applicable forms.
9. The Owner reserves the right to select alternates, delete line items, and/or to reduce quantities prior to
the award of a contract due to budgetary limitations.
FORM OF BID HAZ-MAT FIRE TRAINING CENTER 8"WATER MAIN EXT PAGE 2 OF 3
(Name of Bidder) (Date)
BY: Title
Official Address: (Including Zip Code):
I.R.S.No.
FORM OF BID HAZ-MAT FIRE TRAINING CENTER 8"WATER MAIN EXT PAGE 3 OF 3
BID BOND
KNOW ALL MEN BY THESE PRESENTS,that we,
as Principal,and as Surety are held and
firmly bound unto the Hazardous Materials Training Center,Waterloos Iowa,hereinafter called
OWNER." In the penal sum
Dollars($ )
lawful money of the United States,for the payment of which sum will and truly be made,we bind ourselves,our
heirs,executors,administrators,and successors,jointly and severally,firmly by these presents. The condition of
this obligation is such that whereas the Principal has submitted the accompanying bid dated the day of
,2007,for the Haz-Mat Fire Training Center 8"Water Main Ext.project.
NOW,THEREFORE,
(a)If said Bid shall be rejected,or in the alternate,
(b)If said Bid shall be accepted and the Principal shall execute and deliver a contract in the form specified and
shall furnish a bond for his faithful performance of said contract,and for the payment of all persons performing
labor or furnishing materials in connection therewith,and shall in all other respects perform the agreement created
by the acceptance of said Bid,
Then this obligation shall be void,otherwise the same shall remain in force and effect; it being expressly
understood and agreed that the liability of the Surety for any and all claims hereunder shall, in no event,exceed the
penal amount of this obligation as herein stated.
By virtue of statutory authority,the full amount of this bid bond shall be forfeited to the Owner in liquidation of
damages sustained in the event that the Principal fails to execute the contract and provide the bond as provided in
the specifications or by law.
The Surety,for value received,hereby stipulates and agrees that the obligations of said Surety and its bond shall be
in no way impaired or affected by any extension of the time within which the Owner may accept such Bid or
execute such contract;and said Surety does hereby waive notice of any such extension.
IN WITNESS WHEREOF,the Principal and the Surety,have hereunto set their hands and seals,and such of them
as are corporations,have caused their corporate seals to be hereto affixed and these presents to be signed by their
proper officers this day of ,A.D. 2007.
(Seal)
Principal
By
(Title)
(Seal)
Witness Surety
By
Witness Attorney-in-fact
STATEMENT OF BIDDER'S QUALIFICATIONS
(To be submitted by the Bidder only upon the specific request of the Hazardous Materials
Training Center, Waterloo, Iowa.)
All questions must be answered and the date given must be clear and comprehensive. This
statement must be notarized. If necessary, questions may be answered on separate attached
sheets. The Bidder may submit any additional information he desires.
1. Name of bidder.
2. Permanent main office address.
3. When organized.
4. If a corporation, when incorporated.
5. How many years have you been engaged in the contracting business under your present
firm or trade name?
6. Contracts on hand: (Schedule these, showing amount of each contract and the
appropriate anticipated dates of completion.)
7. General character of work performed by your company.
8. Have you ever failed to complete any work awarded to you? If so, where and why?
9. Have you ever defaulted on a contract? If so, where and why?
10. List the more important projects recently completed by your company, stating the
approximate cost for each, and the month and year completed.
11. List your major equipment available for this contract.
12. Experience in construction work similar in importance to this project.
13. Background and experience of the principal members of your organization, including
the officers.
14. Credit available: $
15. Give bank reference:
STATEMENT OF BIDDER'S QUALIFICATIONS PAGE 1 OF 2
16. Will you, upon request, fill out a detailed financial statement and furnish any other
information that may be required by the Hazardous Materials Training Center,
Waterloo, Iowa?
17. The undersigned hereby authorizes and requests any person, firm, or corporation to
furnish any information requested by the Hazardous Materials Training Center in
verification of the recitals comprising this Statement of Bidder's Qualifications.
Dated at , this day of
, 2008.
(Name of Bidder)
By:
Title:
State of )
) ss:
County of )
, being duly sworn deposes and says that he is
of
(Name of Organization)
and that the answers to the foregoing questions and all statements therein contained are true and
correct. _
Subscribed and sworn to before me this day of , 2008.
Notary Public
My commission expires ,
STATEMENT OF BIDDER'S QUALIFICATIONS PAGE 2 OF 2
TECHNICAL SPECIFICATIONS
Division 3 - Trench, Backfill, and Trenchless
Section 3010 - Trench and Backfill
Division 5 - Water Mains and Appurtenances
Section 5010 -Pipe and Fittings
Section 5020 -Valves, Hydrants, and Appurtenances
Section 5030 - Testing and Disinfection
URBAN STANDARD DIVISION 3 - TRENCH, BACKFILL, AND
SPECIFICATIONS FOR TRENCHLESS
PUBLIC IMPROVEMENTS
MANUAL
PAGE
NUMBER
SECTION 3010 —TRENCH AND BACKFILL
PART 1 — GENERAL
1.01 SECTION INCLUDES 1
1.02 DESCRIPTION OF WORK 1
1.03 SUBMITTALS 1
1.04 SUBSTITUTIONS 1
1.05 DELIVERY, STORAGE, AND HANDLING 2
1.06 SCHEDULING AND CONFLICTS 2
1.07 SPECIAL REQUIREMENTS 2
1.08 MEASUREMENT FOR PAYMENT 3
PART 2— PRODUCTS
2.01 EXCAVATED MATERIALS 5
2.02 STABILIZATION (FOUNDATION) MATERIALS 8
2.03 CLASS I GRANULAR BEDDING AND BACKFILL MATERIAL
(Storm Sewers and Sanitary Sewers) 8
2.04 CLASS II BACKFILL MATERIAL (Storm Sewers, Sanitary
Sewers, and Water Mains) 9
2.05 CLASS III BACKFILL MATERIAL (Storm Sewers, Sanitary
Sewers, and Water Mains) 10
2.06 CLASS IVA BACKFILL MATERIAL (Storm Sewers, Sanitary
Sewers, and Water Mains) 10
2.07 CLASS IVB BACKFILL MATERIAL (Storm Sewers, Sanitary
Sewers, and Water Mains) 11
2.08 CLASS V BACKFILL MATERIAL (Topsoil) 11
2.09 BEDDING AND BACKFILL MATERIALS FOR PIPE CULVERTS 12
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SPECIFICATIONS FOR TRENCHLESS
PUBLIC IMPROVEMENTS
MANUAL
PAGE
NUMBER
SECTION 3010 —TRENCH AND BACKFILL
PART 2— PRODUCTS (Continued)
2.10 BEDDING AND BACKFILL MATERIALS FOR SUBDRAINS 12
2.11 SPECIAL PIPE EMBEDMENT MATERIAL 13
2.12 CASING PIPE WITH CARRIER PIPE 13
PART 3— EXECUTION
3.01 PREPARATION 14
3.02 TRENCH EXCAVATION 14
3.03 ROCK OR UNSTABLE SOILS IN TRENCH BOTTOM 16
3.04 SHEETING, SHORING, AND BRACING 16
3.05 DEWATERING 17
3.06 PIPE INSTALLATION 18
3.07 PIPE INSTALLATION IN CONSTRUCTED EMBANKMENTS 20
3.08 STRUCTURE BEDDING 21
3.09 STRUCTURE BACKFILL 21
3.10 OPEN CUT CASING PIPE INSTALLATION 21
3.11 FIELD QUALITY CONTROL 22
FIGURES FIGURE
NUMBER
PIPE EMBEDMENT DETAILS 3010.1
P.C. CONCRETE ENCASEMENT 3010.2
P.C. CONCRETE ARCH 3010.3
SEWER PIPE SUPPORT OVER EXISTING UTILITY 3010.4
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URBAN STANDARD DIVISION 3 - TRENCH, BACKFILL, AND
SPECIFICATIONS FOR TRENCHLESS
PUBLIC IMPROVEMENTS
MANUAL
FIGURE
SECTION 3010 —TRENCH AND BACKFILL NUMBER
FIGURES (Continued)
REINFORCED P.C. CONCRETE BEAM UTILITY LINE SUPPORT 3010.5
FLOWABLE MORTAR FILL UT►LITY LINE SUPPORT 3010.6
CLASS A CONCRETE CRADLE 3010.7
BEDDING FOR REINFORCED CONCRETE ARCH PIPE 3010.8
FLOWABLE MORTAR PIPE BACKFILL 3010.9
WATERSTOP FOR TRENCHES 3010.10
PAGE
SECTION 3020 —TRENCHLESS CONSTRUCTION NUMBER
PART 1 — GENERAL
1.01 SECTION INCLUDES 1
1.02 DESCRIPTION OF WORK 1
1.03 SUBMITTALS 2
1.04 SUBSTITUTIONS 3
1.05 DELIVERY, STORAGE, AND HANDLING 3
1.06 SCHEDULING AND CONFLICTS 3
1.07 SPECIAL REQUIREMENTS 4
1.08 MEASUREMENT FOR PAYMENT 4
PART 2— PRODUCTS
2.01 CARRIER PIPE 5
2.02 CASING PIPE 5
2.03 CASING SPACERS 7
2.04 BACKFILL FOR ABANDONED TUNNELS 7
2.05 CASING END SEAL 7
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URBAN STANDARD DIVISION 3 - TRENCH, BACKFILL, AND
SPECIFICATIONS FOR TRENCHLESS
PUBLIC IMPROVEMENTS
MANUAL
PAGE
NUMBER
SECTION 3020-TRENCHLESS CONSTRUCTION
PART 3 - EXECUTION
3.01 PREPARATION 8
3.02 EXCAVATION 8
3.03 SHEETING, SHORING,AND BRACING 8
3.04 DEWATERING 8
3.05 TRENCHLESS INSTALLATION 9
3.06 FIELD QUALITY CONTROL 11
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PUBLIC IMPROVEMENTS
MANUAL SECTION 3010 - TRENCH AND BACKFILL
TRENCH AND BACKFILL
PART 1 - GENERAL
1.01 SECTION INCLUDES
A. Trench excavation for pipe systems, manholes, intakes and other structures.
B. Trench bedding and foundation stabilization.
C. Pipe and structure placement and backfill.
1.02 DESCRIPTION OF WORK
A. Perform all excavations required to complete the work shown on the plans.
B. Prepare trench excavations and shoring for new work, and install the utility lines,
structures, and system components, including bedding and foundation
stabilization.
C. Complete specified backfill operation.
D. Reference is made to the Iowa Department of Transportation Standard
Specifications for Highway and Bridge Construction, Series 2001, and all current
General Supplemental Specifications and Materials Instructional Memorandum
by the term "Iowa DOT Specifications" and/or"Iowa DOT I.M."
1.03 SUBMITTALS
A. Submit under provisions of Division 1.
B. Samples, granular bedding material: submit 10-pound samples of each type, if
required.
C. Samples, granular backfill material: submit 10-pound samples, if required.
D. Gradation reports for fill materials and bedding materials.
E. Results of Proctor and In-Place Density Tests on backfill.
F. Contractor will provide Material Certifications to the Jurisdictional Engineer.
1.04 SUBSTITUTIONS
A. Use only materials conforming to these specifications unless permitted otherwise
by Jurisdictional Engineer.
B. Obtain approval of Jurisdictional Engineer for all substitutions prior to use.
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MANUAL SECTION 3010 - TRENCH AND BACKFILL
1.05 DELIVERY, STORAGE, AND HANDLING
A. Deliver only materials that fully conform to these specifications or for which
submittals have been provided to Jurisdictional Engineer and approved for use.
B. Store delivered materials and excavated materials in locations that will not
interfere with operations and minimize environmental damage.
C. Grade and shape stockpiles for drainage and protect adjacent areas from runoff.
Provide erosion control around stockpiles.
D. Remove unsuitable and excess materials from the site.
1.06 SCHEDULING AND CONFLICTS
A. Construction Sequence:
1. Attend a preconstruction meeting if required by Jurisdictional Engineer.
2. Submit plan for construction sequence and schedule prior to commencing
construction.
B. Conflict Avoidance:
1. Expose possible conflicts in advance of construction, such as utility lines and
drainage structures. Verify elevations and locations of each and verify
clearance for proposed construction.
2. Complete other elements of the work that can affect line and grade in
advance of other open cut construction unless noted on the plans.
3. Notify Jurisdictional Engineer of conflicts discovered or changes needed to
accommodate unknown or changed conditions.
1.07 SPECIAL REQUIREMENTS
A. Stop Work: Stop work and notify Jurisdictional Engineer immediately if
contaminated soils, historical artifacts, or other environmental or historic items
are encountered.
B. Use of Explosives: Submit detailed plans outlining all proposed blasting
operations, locations, methods, and use of mats and other safety measures to
the Jurisdictional Engineer.
1. Obtain written approval before using explosives.
2. Use personnel experienced with explosives.
C. Conform to local, state, and federal requirements.
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MANUAL SECTION 3010 - TRENCH AND BACKFILL
1.07 SPECIAL REQUIREMENTS (Continued)
D. Abandoned Utilities: Remove and dispose of abandoned utility lines including
gas mains, water mains, sewer mains, telephone conduits, service lines, etc.
required to complete the work. Said work shall be incidental to the project unless
otherwise specified.
1.08 MEASUREMENT FOR PAYMENT
All measurements for payments will be made by the Jurisdictional Engineer or
authorized representative.
A. General: No separate payment will be made for unclassified excavation.
Include trenching, bedding, placing backfill, compaction, and dewatering in the
costs in the unit bid for all pipe and structures, except as follows:
1. Rock Excavation: Rock, if encountered and verified by the Jurisdictional
Engineer, will be measured and paid for by the cubic yard removed from the
excavation, or will be paid for by change order unless otherwise provided for
in the contract documents.
2. Over-excavation and trench bottom stabilization:
a. Measure quantity in tons of stabilization material placed in the over-
excavation. Over-excavation is incidental.
b. Payment will be made for over-excavation, stabilization material, and
placement based on the unit price per ton of stabilizing material.
3. Unsuitable Backfill:
a. Where excavated material is found to be unsuitable for backfill and
cannot be made suitable in the opinion of Jurisdictional Engineer,
measurement of replacement material furnished by the Contractor from
outside the project limits will be by cubic yards, including furnishing,
transporting, and installing. Payment will be made at the unit bid price
per cubic yard or by change order.
b. Except for over-excavation, removal of unsuitable soil is incidental to
unclassified excavation.
c. Suitable backfill replacement material located within the project limits will
not be measured and paid separately.
B. Open Cut Casing and Carrier Pipe Installation: Measurement will be for the
length of properly installed casing, measured along the centerline of the casing.
Payment will be made for both the carrier pipe and casing pipe as a combined
single bid unit for the appropriate method of installation.
C. Incidental Items: Unless otherwise specified in the contract documents, the
following items will be included in the unit price for open cut casing and carrier
pipe installations: guides, fillers, levels, backfill, and other appurtenances
necessary to perform specified function.
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PUBLIC IMPROVEMENTS
MANUAL SECTION 3010 - TRENCH AND BACKFILL
1.08 MEASUREMENT FOR PAYMENT (Continued)
D. Culvert Excavation: Unless specified in the contract documents, include
excavation for culverts in the unit bid price for all pipe and structures. If required
by the contract documents, culvert excavation will be measured and paid
according to Class 20 Excavation in Iowa DOT 2402.
E. Over-Excavation not for Stabilization and Repair of Same: No payment will
be made.
F. Structure Removal: The Jurisdictional Engineer will count the quantity of
structures to be removed including each manhole and inlet removed according to
the plans and will be paid by the number removed.
G. Surfacing Removal and Replacement: Unless otherwise specified in the
contract documents, include all temporary or permanent surface removals and
replacements for both granular and hard surfaces for streets, drives, and
sidewalks in the unit prices for all pipe and structures.
H. Abandoned Utilities: Remove and dispose of abandoned utilities encountered
within the work zone. This work is incidental.
I. Compaction Testing: All contractor-provided services associated with compaction
testing are incidental to the pipe installation.
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PUBLIC IMPROVEMENTS
MANUAL SECTION 3010 - TRENCH AND BACKFILL
PART 2 - PRODUCTS
2.01 EXCAVATED MATERIALS
A. Unclassified Excavation: Excavation of all materials encountered, except rock
and over-excavation.
B. Rock Excavation: Boulders or sedimentary deposits that cannot be removed
without continuous use of pneumatic tools or blasting.
C. Over-excavation: Excavation of soil or rock in trenches below the pipe zone,
see Figure 3010.1.
D. Suitable Excavated Materials for Backfill:
1. Soil, clay, silt, sand, and gravel with moisture content suitable to achieve
required compaction. ASTM D 2321, Class II through IVA(see 3010, 2.01,
E).
2. Fine-grained soils according to ASTM D 2321 Class IVB (inorganic) (see
3010, 2.01, E) may be used in the final backfill upon approval of the
Jurisdictional Engineer.
3. Adjust moisture content of excessively wet, but otherwise acceptable,
material by spreading, turning, aerating, and otherwise working material as
necessary to achieve required moisture range.
4. Adjust moisture content of excessively dry, but otherwise acceptable material
by adding water, then turning, mixing, and otherwise blending the water
uniformly throughout the material until the required moisture range is
achieved.
5. Lime or fly ash may be added to soils to produce a suitable backfill material.
Uniformly mix soil and additive. Determine Standard Proctor maximum
density and optimum moisture content of the modified material. Amount of
additive applied is subject to Jurisdictional Engineer's approval.
5 10/17/2006
URBAN STANDARD DIVISION 3 - TRENCH, BACKFILL, AND
SPECIFICATIONS FOR TRENCHLESS
PUBLIC IMPROVEMENTS
MANUAL SECTION 3010 - TRENCH AND BACKFILL
2.01 EXCAVATED MATERIALS (Continued)
E. Non-Manufactured (Excavated) Backfill Materials: (See Sections 3010, 2.03
and 2.04 for manufactured backfill)
Percentage Passing Sieve Sizes Atterberg Limits Coefficients
Class Type Soil Group Description 1%in. No.4 No.200 Uni- Curva-
Symbol (40 (4.75 mm) (0.075 LL PI formity ture
D 2487 mm) mm) C, Co
II Coarse-Grained Soils,clean GW Well-graded gravels and gravel- 100% <50%of <5% Non Plastic >4 1 to 3
sand mixtures;little or no fines "Course
Fraction"
GP Poorly-graded gravels and gravel- <4 <1 or>3
sand mixtures;little or no fines.
SW Well-graded sands and gravelly >50%of >6 1 to 3
sands;little or no fines. "Coarse
Fraction"
SP Poorly-graded sands and gravelly <6 <1 or>3
sands;little or no fines.
Coarse-Grained Soils, e.g.GW-GC, Sands and gravels which are 100% Varies 5%to Non Plastic Same as for GW,
borderline clean tow/fines SP-SM borderline between clean and with 12% GP,SW and SP
fines.
III Coarse-Grained Soils,with GM Silty gravels,gravel-sand-silt 100% <50%of 12%to <4 or
Fines mixtures. "Coarse 50% <"A"
Fraction" Line
GC Clayey gravels,gravel-sand-clay <7 and
mixtures. '"A
Line
SM Silty sands,sand-silt mixtures. >50%of >4 or
"Coarse <"A"
Fraction" Line
SC Clayey sands,sand-clay mixtures. >7 and
Line
IVA Fine-Grained Soils ML Inorganic silts and very fine sands, 100% 100% >50% <50 <4 or
(inorganic) rock flour,silty or clayey fine A
sands,silts with slight plasticity. Line
CL Inorganic clays of low to medium >7 and
plasticity,gravely clays,sandy A
clays,silty clay,lean clays. Line
IVB Fine-Grained Soils MH Inorganic silts,micaceous or 100% 100% >50% >50 <"A"
(1) (inorganic) diatomaceous fine sandy or silty Line
soils,elastic silts.
CH Inorganic clays of high plasticity, '"A"
fat clays. Line
V Organic Soils(Unsuitable for OL Organic silts and organic silty 100% 100% )50% (50 <4 or
backfill) clays of low plasticity. A"
Line
OH Organic Clays of Medium to high >50 <"A"
plasticity,organic silts. Line
Highly Organic(Unsuitable PT Peat and other high organic soils.
for backfill)
(1)See section 3010,2.01,F,2 for restrictive use.
6 10/17/2006
URBAN STANDARD DIVISION 3 - TRENCH, BACKFILL, AND
SPECIFICATIONS FOR TRENCHLESS
PUBLIC IMPROVEMENTS
MANUAL SECTION 3010 - TRENCH AND BACKFILL
2.01 EXCAVATED MATERIALS (Continued)
F. Unsuitable Material: Remove unsuitable materials from the site, including, but
not limited to, the following:
1. Rock with gradation not meeting the stated gradation for stabilization
material.
2. Individual stones or concrete chunks larger than 6 inches, and averaging
more than one per each cubic foot of soil.
3. Frozen materials.
4. Stumps, logs, branches, and brush.
5. Trash, metal, or construction waste.
6. Soil in clumps or clods larger than 6 inches, and without sufficient fine
materials to fill voids during placement.
7. Unsuitable soils, as defined in Section 2010, 2.03, excluding material used as
topsoil.
8. Class V Material (ASTM D 2321), as defined in Section 3010, 2.08.
9. Environmentally-contaminated soils.
G. Replacement of Unsuitable Soils:
1. If the excavated material is determined by the Jurisdictional Engineer to be
unsuitable and cannot be conditioned so that it becomes suitable, furnish all
necessary backfill material.
2. Remove and dispose of unsuitable material from the site.
7 10/17/2006
URBAN STANDARD DIVISION 3 - TRENCH, BACKFILL, AND
SPECIFICATIONS FOR TRENCHLESS
PUBLIC IMPROVEMENTS
MANUAL SECTION 3010 - TRENCH AND BACKFILL
2.02 STABILIZATION (FOUNDATION) MATERIALS
A. Clean 2-1/2 inch crushed stone or crushed portland cement concrete (PCC)
material, with the following gradation:
Sieve Percent Passing
2-1/2" 100
2" 90 to 100
1-1/2" 35 to 70
1" 0to20
1/2" 0 to 5
B. Jurisdictional Engineer may authorize a change in gradation subject to materials
available locally at time of construction. Subject to the Jurisdictional Engineer's
approval, crushed concrete may be used if it is within plus or minus 5% of the
gradation for each size of material.
2.03 CLASS I GRANULAR BEDDING AND BACKFILL MATERIAL (Storm Sewers and
Sanitary Sewers)
A. Use gravel or crushed stone for granular bedding, complying with the following
gradation:
Sieve Percent Passing
1-1/2" 100
1" 95 to 100
1/2" 25 to 60 -----
No. 4 0 to 10
No. 8 0 to 5
Note: Jurisdictional Engineer may authorize the-use of crushed-PCC, tor pipe
sizes up to 12 inches, or a change in gradation subject to materials available
locally at time of construction.
B. Use aggregates having a percentage of wear, Grading A or B, not exceeding
50%, determined according to AASHTO T 96.
C. Compaction: See Section 3010, 3.06.
8 10/17/2006
URBAN STANDARD DIVISION 3 - TRENCH, BACKFILL,AND
SPECIFICATIONS FOR TRENCHLESS
PUBLIC IMPROVEMENTS
MANUAL SECTION 3010 - TRENCH AND BACKFILL
2.04 CLASS II BACKFILL MATERIAL(Storm Sewers, Sanitary Sewers, and Water
Mains)
A. Class II material is manufactured and non-manufactured open graded (clean) or
dense graded (clean) processed aggregate, clean sand, or coarse-grained
natural soils (clean)with little or no fines.
B. Class II material is non-plastic soil less than 1-1/2 inches in size and consists of
the following:
SOIL TYPE DESCRIPTION OF MATERIAL CLASSIFICATION REMARKS
SECTION
Well-graded gravels and gravel-sand mixtures, little or no
GW fines. 50% or more retained on No. 4 sieve. More than
95% retained on No. 200 sieve. Clean. Where hydraulic
gradient exists
Poorly graded gravels and gravel sand mixtures, little or check gradation
GP no fines. 50% or more retained on No. 4 sieve. More to minimize
than 95% retained on No.200 sieve. Clean. migration.
Well-graded sands and gravelly sands, little or no fines. Clean groups
SW More than 50% passes No. 4 sieve. More than 95% suitable for use
retained on No. 200 sieve. Clean. as drainage
blanket and
Poorly graded sands and gravelly sands, little or no fines. underdrain.
SP More than 50% passes No. 4 sieve. More than 95%
retained on No. 200 sieve. Clean.
C. Compaction: See Section 3010, 3.06.
D. Class II material may be specified in the contract documents by the Jurisdictional
Engineer between the pipe embedment zone and the top 2 feet of final backfill
when the trench is under the pavement.
9 10/17/2006
URBAN STANDARD DIVISION 3 - TRENCH, BACKFILL,AND
SPECIFICATIONS FOR TRENCHLESS
PUBLIC IMPROVEMENTS
MANUAL SECTION 3010 - TRENCH AND BACKFILL
2.05 CLASS III BACKFILL MATERIAL (Storm Sewer, Sanitary Sewer, and Water
Mains)
A. Class III material is natural coarse-grained soils with fines.
B. Class III material follows Section 3010, 2.01, G and consists of the following:
SOIL DESCRIPTION OF MATERIAL CLASSIFICATION REMARKS
TYPE SECTION
GM Silty gravels, gravel-sand-silt mixtures. 50%or more retained on Do not use
No. 4 sieve. More than 50% retained on No.200 sieve, where water
condition in
GC Clayey gravels, gravel-sand-clay mixtures. 50% or more trench may
retained on No. 4 sieve. More than 50% retained on No. 200 cause
sieve. instability.
SM Silty sands, sand-silt mixtures. More than 50%passes No. 4
sieve. More than 50% retained on No. 200 sieve.
SC Clayey sands, sand-clay mixtures. More than 50% passes No. 4
sieve. More than 50% retained on No. 200 sieve.
C. Compaction: See Section 3010, 3.06.
2.06 CLASS IVA BACKFILL MATERIAL (Storm Sewer, Sanitary Sewer, and Water
Mains)
A. Class IVA material is natural fine grained inorganic soils.
B. Class IVA material follows Section 3010, 2.01, G and consists of the following:
SOIL DESCRIPTION OF MATERIAL CLASSIFICATION REMARKS SECTION
TYPE
ML Inorganic silts, very fine sands, rockflous, silty or Obtain geotechnical
clayey fine sands. Liquid limit 50% or less. 50%or evaluation of proposed
more passes No. 200 sieve, material. May not be
suitable under deep fills,
_surface-applied-wheel
CL Inorganic clays of low to medium plasticity, gravelly loads, and under heavy
clays, sandy clays, silty clays, lean clays. Liquid vibratory compactors and
limit 50%or less. 50% or more passes No.200 tampers. Do not use
sieve. where water conditions in
Itrench may cause
instability.
10 10/17/2006
URBAN STANDARD DIVISION 3 - TRENCH, BACKFILL, AND
SPECIFICATIONS FOR TRENCHLESS
PUBLIC IMPROVEMENTS
MANUAL SECTION 3010 - TRENCH AND BACKFILL
2.06 CLASS IVA BACKFILL MATERIAL (Storm Sewer, Sanitary Sewer and Water
Mains) (Continued)
C. Compaction: See Section 3010, 3.06.
D. Suitable only in dry trench conditions.
2.07 CLASS 1VB BACKFILL MATERIAL (Storm Sewer, Sanitary Sewer and Water
Mains)
A. Class IVB material is natural fine-grained inorganic (high elastic silts and plastic
clays- fat clay)with a liquid limit greater than 50%.
B. Class IVB material follows Section 3010, 2.01 and consists of the following:
SOIL TYPE DESCRIPTION OF MATERIAL CLASSIFICATION REMARKS
SECTION
MH Inorganic silts, micaceous or diatomaceous fine sands or Not to be used
silts, elastic silts. Liquid limit greater than 50%. 50%or in pipe
more passes No. 200 sieve. embedment
zone.
CH Inorganic clays of high plasticity, fat clays. Liquid limit
greater than 50%. 50% or more passes No. 200 sieve.
C. Compaction: See Section 3010, 3.06.
D. When approved by the Jurisdictional Engineer, Class IVB material may be used
as final trench backfill in a dry trench.
E. Do not use in the pipe embedment zone.
2.08 - CLASS V BACKFILL MATERIAL(Topsoil)
A. Class V Material is natural highly organic soils with a liquid limit greater than
50%. See Section 3010, 2.01.
B. Use Class V Material only astopsoil.outside_of the_pavemeri unless atherwice
specified or allowed by the Jurisdictional Engineer.
C. Do not use Class V Material in the pipe embedment zone.
11 10/17/2006
URBAN STANDARD DIVISION 3 - TRENCH, BACKFILL, AND
SPECIFICATIONS FOR TRENCHLESS
PUBLIC IMPROVEMENTS
MANUAL SECTION 3010 - TRENCH AND BACKFILL
2.09 BEDDING AND BACKFILL MATERIALS FOR PIPE CULVERTS
A. Bedding:
1. Use minimum Type C embedment(see Figure 3010.1).
2. Install water stop or curtain wall at culvert inlet, as specified in the contract
documents.
B. Backfill Material:
1. Use all suitable material excavated for pipe culvert work, as specified in
Section 3010, 2.01, for backfill material.
2. Dry suitable material that has excessive moisture prior to placement.
3. Remove unsuitable material, as specified in Section 3010, 2.01, from the
project site.
2.10 BEDDING AND BACKFILL MATERIALS FOR SUBDRAINS
A. Drainable Bedding and Backfill Materials Include:
1. Porous backfill material.
2. Pea gravel.
3. Use as shown on the plans or on the detailed drawings.
B. Porous Backfill Material:
1. Crushed stone or gravel with the following gradation:
Sieve -- Percent Passing
3/4" 100
1/2" 95 to 100
3/8" 50 to 100
No. 4 10 to 50
No. 8 0 to 8
Iowa DOT Gradation No. 29.
C. Coarse Aggregate: Use Stabilization Materials, per Section 3010.
D. Pea Gravel: Use commercially available pea gravel.
E. Impervious Bedding: Use least permeable on-site materials.
F. Engineering Fabric: Use Iowa DOT 4196.
12 10/17/2006
URBAN STANDARD DIVISION 3 - TRENCH, BACKFILL,AND
SPECIFICATIONS FOR TRENCHLESS
PUBLIC IMPROVEMENTS
MANUAL SECTION 3010 - TRENCH AND BACKFILL
2.11 SPECIAL PIPE EMBEDMENT MATERIAL
A. Concrete Supports: Where specified in the contract documents, construct
concrete support systems according to Figures 3010.2 to 3010.7.
B. Concrete Bedding, Arch, or Encasement:
1. Concrete: commercial, 4,000 psi compressive strength.
2. Unreinforced, unless otherwise shown on the plans.
3. Minimum concrete thickness: 6 inches or as shown on the plans.
C. Flowable Mortar:
1. Approximate quantities per cubic yard:
a. Cement 100 pounds
b. Fly ash 300 pounds
c. Fine aggregate 2,600 pounds
d. Water, approximate 70 gallons
2. Compressive strength at 28 days; 100 psi to 200 psi.
D. Controlled Low Strength Material (CLSM):
1. Approximate quantities per cubic yard:
a. Cement 50 pounds
b. Fly ash 250 pounds
c. Fine aggregate 2910 pounds
d. Water, approximate 60 gallons
2. Compressive strength at 28 days 50 psi.
2.12 CASING PIPE WITH CARRIER PIPE: See Section 3020, 2.01, 2.02, 2.03, and 2.04
13 10/17/2006
URBAN STANDARD DIVISION 3 - TRENCH, BACKFILL, AND
SPECIFICATIONS FOR TRENCHLESS
PUBLIC IMPROVEMENTS
MANUAL SECTION 3010 - TRENCH AND BACKFILL
PART 3- EXECUTION
3.01 PREPARATION
A. When natural soils for Class II, Ill, and IV backfill material is required as specified
in Figure 3010.1, provide written certification from a testing laboratory that the
material meets the class specified if so requested by the Jurisdictional Engineer.
B. Locate, mark, and protect existing utilities and facilities in the work area.
C. Provide access to utility service locations, such as valves, manholes, and utility
poles.
D. Identify owners of utilities on or near the site, and notify them of operations to
occur.
E. Protect existing facilities and landscaping features, or replace as shown on the
plans.
F. Protect bench marks, control points and land survey monumentation, or replace
at Contractor's expense.
3.02 TRENCH EXCAVATION
A. Notify the Jurisdictional Engineer prior to the start of excavation activities.
B. Remove and stockpile the top 8 inches of topsoil for subsequent reuse.
C. Place excavated material away from trench. Grade spoil piles to drain. Do not
allow spoil piles to obstruct drainage.
D. Remove rock, rubbish, boulders, debris, and other unsuitable materials at least 6
inches below, and on each side of the pipe. Restore grade using soil suitable for
backfill.
E. Correct unauthorized excavation at no cost to Jurisdiction, using bedding or
stabilization materials.
F. Provide protective fences and barricades around open excavations, appropriate
to the surrounding area-_
G. Provide weight tickets for stabilization material to the Jurisdictional Engineer at
the time of delivery.
H. Provide safety fence around open excavations.
14 10/17/2006
URBAN STANDARD DIVISION 3 - TRENCH, BACKFILL, AND
SPECIFICATIONS FOR TRENCHLESS
PUBLIC IMPROVEMENTS
MANUAL SECTION 3010 - TRENCH AND BACKFILL
3.02 TRENCH EXCAVATION (Continued)
I. Trench Excavation for Sanitary Sewers, Storm Sewers, Water Mains, and
Pipe Culverts:
1. Maximum and minimum pipe trench width: See Figure 3010.1.
2. Flat trench bottom, conduit bearing directly on trench bottom (not applicable
for rock excavation)for water main pipe only with bell hole shaping:
a. Shape trench bottom to support pipe around 1/4 of perimeter for the full
length of the pipe barrel.
b. Provide bell holes.
3. Trench bottom, conduit supported by bedding material:
a. Excavate trench as shown on the detailed drawings.
b. Install bedding material to support the full length of the pipe barrel.
4. Trench depth:
a. See Figures 3010.1.
b. For those material types not shown in Figure 3010.1, the maximum height
of bury will be 20 feet. Installations greater than 20 feet require submittal
of licensed professional engineer trench design and certification.
5. Conform all trench operations to current OSHA regulations.
J. Structure Excavation:
1. For concrete structures and parts of structures without footings, 18 inches
outside the horizontal projection of the structure.
2. For concrete structures with footings, 18 inches outside the footings.
3. For anchor rods, 12 inches on each side of the rod.
4. For buried anchors, the face of the buried anchor on one side and 24 inches
outside the buried anchor on the other face.
15 10/17/2006
URBAN STANDARD DIVISION 3 - TRENCH, BACKFILL, AND
SPECIFICATIONS FOR TRENCHLESS
PUBLIC IMPROVEMENTS
MANUAL SECTION 3010 - TRENCH AND BACKFILL
3.03 ROCK OR UNSTABLE SOILS IN TRENCH BOTTOM
A. Notify the Jurisdictional Engineer prior to over-excavation.
B. Jurisdictional Engineer will determine the need for trench bottom stabilization
prior to installation of pipes and structures.
C. See Figure 3010.1 for over-excavation of rock and wet or soft foundations.
D. Provide weight tickets for the stabilization material to the Jurisdictional Engineer
at the time of delivery.
3.04 SHEETING, SHORING, AND BRACING
A. Conform sheeting and bracing of all excavations to the latest state and federal
regulations governing safety of workers in the construction industry.
B. Leave in place all temporary sheeting below 2 feet over top of pipe unless
sheeting removal plan is approved by Jurisdictional Engineer. Conform all trench
operations to current OSHA regulations.
C. Move trench boxes carefully to avoid excavated wall displacement or damage.
D. When necessary or required, install adequate sheeting and bracing to prevent
ground movement that may cause damage or settlement to adjacent structures,
pipelines, and utilities.
E. Any damage due to settlement because of failure to use sheeting or because of
inadequate bracing, or through negligence or fault of the Contractor in any other
manner, shall be repaired at the Contractor's expense.
F. For sides of trenches in unsuitable, loose, or soft material, shore, sheet, brace,
slope, or otherwise support by means of sufficient strength to protect employees
working within them.
G. Where excavations are made with vertical sides that require supporting, use
sufficient strength for sheeting and bracing to sustain the sides of the
excavations and to prevent movement that could in any way injure the work or
adjacent structures, or diminish the working space sufficiently to delay the work.
H. Select sheeting and bracing material of sufficient dimensions and strength to
adequately support the sides of trenches and excavations, which will not split
when driving and will be free of imperfections that may impair its strength or
durability.
I. Drive sheeting to true alignment and ensure contact of adjacent pieces.
J. In wet excavation, use grooved sheeting to prevent passage of soil. Fill any
voids between sheeting and face of excavation with suitable material.
16 10/17/2006
URBAN STANDARD DIVISION 3 - TRENCH, BACKFILL, AND
SPECIFICATIONS FOR TRENCHLESS
PUBLIC IMPROVEMENTS
MANUAL SECTION 3010 - TRENCH AND BACKFILL
3.04 SHEETING, SHORING, AND BRACING (Continued)
K. Do not remove sheeting and bracing before the completion of the work, unless
otherwise directed by the Jurisdictional Engineer.
L. For sheeting left in place, cut off 18 inches for clearance below the bottom of the
pavement in streets/highways and 18 inches below the original ground surface,
unless otherwise required by the contract documents or the Jurisdictional
Engineer. Leave in place all temporary sheeting below 2 feet over top of pipe,
unless a sheeting removal plan is approved by Jurisdictional Engineer.
3.05 DEWATERING
A. Do all work in dry conditions; do not install pipes on excessively wet soil.
B. Perform the dewatering operation according to the dewatering plan submitted to
the Jurisdictional Engineer. Dewatering operations may be modified from the
plan for actual field conditions, with approval of the Jurisdictional Engineer.
C. Adequate dewatering is the Contractor's responsibility unless otherwise stated in
the contract documents.
D. Install dewatering system appropriate for the soil conditions.
E. Maintain water levels sufficiently below the bottom of trench excavation, (typically
2 feet)to prevent upward seepage.
F. Provide for handling water encountered during construction:
1. Prevent surface water from flowing into excavation. Remove water as it
accumulates.
2. Do not use sanitary sewers for disposal of trench water. Discharging water
into storm sewers requires Jurisdictional Engineer's approval.
3. Do not discharge water onto adjacent property without property owner's
approval.
4. Maintain and control water discharge as necessary to prevent a safety
hazard for vehicular and pedestrian traffic.
5. Direct water discharge away from electrical facilities or equipment and
intersections.
6. Use noise and fume reducing dewatering equipment to minimize disturbance.
7. Provide at least two operating pumps for each trench opened in wet ground,
and at the same time have one pump in reserve.
17 10/17/2006
URBAN STANDARD DIVISION 3 - TRENCH, BACKFILL, AND
SPECIFICATIONS FOR TRENCHLESS
PUBLIC IMPROVEMENTS
MANUAL SECTION 3010 - TRENCH AND BACKFILL
3.05 DEWATERING (Continued)
G. Place backfill in trenches prior to stopping dewatering operations.
H. Protect trench water discharge points from erosion.
I. Operate dewatering systems to prevent damage to adjoining structures and
facilities.
J. Monitor adjoining structures and facilities during dewatering operations. Cease
dewatering operations and notify the Jurisdictional Engineer if damage is
observed.
3.06 PIPE INSTALLATION
Refer to Figures 3010.1 to 3010.9, as appropriate, for the installation. Use only the
types of materials shown for each position within the trench, for the given
groundwater conditions, for the compaction to be provided, and for the type of pipe
being installed.
A. Pipe Bedding:
1. Shape pipe bed to evenly support pipe at the proper line and grade, with full
contact under the bottom of the pipe.
2. Install pipe and system components.
3. Place bedding simultaneously on both sides of the pipe. Correct any pipe
displacements before proceeding.
4. Place bedding in lifts no greater than 6 inches thick and consolidate.
5. Concrete encasement: Install where shown on the plans.
6. If required in the contract documents or if approved by the Jurisdictional
Engineer, flowable mortar or controlled low strength material may be used in
lieu of other bedding material types.
7. Secure pipe against displacement or flotation prior to placing flowable mortar
or concrete encasement.
B. Haunch Support:
1. Place granular haunch material in lifts nn greater than 6 inches thick and
consolidate by slicing with a shovel or using other approved techniques.
2. If required in the contract documents, or if approved by the Jurisdictional
Engineer, concrete, flowable mortar, or controlled low strength material may
be used instead of other haunch material types. Secure pipe against
displacement or flotation prior to placing flowable mortar, controlled low
strength material, or concrete encasement.
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URBAN STANDARD DIVISION 3 - TRENCH, BACKFILL, AND
SPECIFICATIONS FOR TRENCHLESS
PUBLIC IMPROVEMENTS
MANUAL SECTION 3010 - TRENCH AND BACKFILL
3.06 PIPE INSTALLATION (Continued)
C. Primary and Secondary Backfill (Pipe Cover):
1. Place pipe cover material in 6-inch lifts and compact to densities required
according to class of material. See Figure 3010.1 (sheet 1).
2. If required in the contract documents or if approved by the Jurisdictional
Engineer, flowable mortar or controlled low strength material may be used in
lieu of other cover material types. Secure pipe against displacement or
flotation prior to placing flowable mortar or concrete encasement.
3. Special pipe support: If required, provide special pipe support as shown on
the plans (See Figures 3010.4 to 3010.6).
D. Final Trench Backfill:
1. Place backfill in the trench immediately after recording locations of
connections and appurtenances or at Jurisdictional Engineer's direction.
2. Place backfill adjacent to structures immediately after concrete has reached
design strength and connecting work has been completed.
3. Allow no more than 100 feet of trench to be open overnight or when work is
not in progress except as provided on the plans.
4. Place suitable excavated backfill:
a. Carefully place backfill over top of pipe and around structures.
b. Compact as required.
5. Compaction:
a. Within street right-of-way, compact each lift to at least 95% of maximum
Standard Proctor Density, otherwise compact to at least 90%.
b. In areas more than 3 feet below pavement structure, place backfill in lifts
no thicker than 8 inches.
c. In areas less than 3 feet below pavement structure, place backfill in lifts
no thicker than 6 inches. Terminate backfill at 8 inches below finish grade
in areas to remain unpaved, and to subgrade elevation in areas to be
paved. Place 8 inches of topsoil in unpaved areas.
d. When crossing under levees;-railroads,-and State or Federal-highways,
comply with the compaction requirements of these jurisdictions, if more
stringent than these requirements.
e. For Vitrified Clay Pipe (VCP), keep all heavy compaction equipment 5
feet above the top of the nine In the area lags than 5 feat fuse hand held
� rr�•
compactors. Do not allow the compactor to come in contact with the pipe.
6. Moisture Range: Obtain required compaction within a soil moisture range of
optimum moisture to 4% above optimum moisture content.
19 10/17/2006
URBAN STANDARD DIVISION 3 - TRENCH, BACKFILL, AND
SPECIFICATIONS FOR TRENCHLESS
PUBLIC IMPROVEMENTS
MANUAL SECTION 3010 - TRENCH AND BACKFILL
3.06 PIPE INSTALLATION (Continued)
7. Dispose of surplus and unsuitable materials.
8. Hydraulic compaction (flooding with water) is not allowed unless authorized
by the Jurisdictional Engineer.
E. Casing Pipe: Place bedding and backfill materials for casing pipe the same as
for a rigid gravity flow pipe.
3.07 PIPE INSTALLATION IN CONSTRUCTED EMBANKMENTS
Install all pipes in trenches according to Section 3010, 3.06. When allowed by the
contract documents, pipes may be constructed in embankments as follows:
A. Placing Pipe Sections: (See Section 4020, 3.03)
B. Placing Backfill for Pipes:
1. Thoroughly tamp backfill under and around the pipe and in layers not to
exceed 8 inches for the full length and width of the pipe.
2. Place backfill and thoroughly tamp around and over the pipe for its full length.
3. Extend the completed embankment on both sides of the pipe from the original
ground line to at least 1 foot above the top of the pipe with a slope as shown
in the contract documents. Construct the embankment over the pipe with a
width no less than the outside diameter of the pipe and centered over the
pipe. If necessary to accommodate construction traffic, increase the height of
fill to the nominal diameter of the pipe or 3 feet, whichever is greater.
4. When pipe are laid wholly or partly in a trench, granular backfill material may
be required for backfill. Compact the remainder of the fill to at least 1 foot
above the top of the pipe with slopes as outlined above.
5. If the trench has been cut wide enough to permit use of a roller, after the pipe
is bedded, thoroughly tamp the backfill material under and alongside the pipe
with a mechanical tamper to the mid-height elevation of the pipe.
6. The contract documents may require'placement ofpipe with-moisture-control.
When not required, place roadway pipe after construction of an embankment
by methods that will produce results equivalent to those required for
•
construction of the embankment, except that moisture determinations will be
waived for placing backfill completed within 48 hours after excavation.
7. In addition to the normal backfill material requirements, when directed by the
Jurisdictional Engineer, build such approach fills to provide a roadway 10 feet
in width over the pipe with grades no steeper than 10%.
20 10/17/2006
URBAN STANDARD DIVISION 3 - TRENCH, BACKFILL, AND
SPECIFICATIONS FOR TRENCHLESS
PUBLIC IMPROVEMENTS
MANUAL SECTION 3010 - TRENCH AND BACKFILL
3.08 STRUCTURE BEDDING
A. Bedding for Structures Bearing on Undisturbed Soils:
1. Shape the bottom to accurate grade and size.
2. Remove loose material, large clods, stones, and foreign materials.
3. In unstable soils or rock conditions, see Section 3010, 3.03 for stabilization
requirements. Follow bedding requirements as shown in Figure 3010.1.
B. Bedding for Structures Bearing on Bedding Material:
1. Over excavate to minimum of 8 inches or as specified in the contract
documents.
2. Place bedding material for structures according to the contract documents
and with the material and control specified in Figure 3010.1.
3.09 STRUCTURE BACKFILL
A. Removal of Forms and Falsework: See Section 6010, 3.06.
B. Placement of Backfill: Place backfill after structure concrete has reached at
least 80% of the design strength and connecting work has been completed,
unless otherwise specified. Determine strengths under comparable conditions.
If strength is not determined, place backfill after 14 days.
C. Backfill Against Walls and Around Structures:
1. Where backfill is required on both sides of a concrete wall and around all
sides of monolithic structures, proceed with filling operations simultaneously
on all sides of walls and structures so the fill is kept at approximately the
same elevation at all times. Consider concrete box, arch, and circular culvert
monolithic structures.
2. Compact the 3 feet closest to all walls or wing faces by pneumatic or hand
tampers only.
D. Placing Backfill with Excavated Material Unless otherwise specified, see Section 3010, 3.06, D for suitable excavated
materials for backfill.
3.10 OPEN CUT CASING PIPE INSTALLATION
A. Casing Pipe: Install casing pipe according to Section 3010, 3.01 to 3.07, as
appropriate.
B. Carrier Pipe: Install carrier pipe according to Section 3020, 3.05.
21 10/17/2006
URBAN STANDARD DIVISION 3 - TRENCH, BACKFILL, AND
SPECIFICATIONS FOR TRENCHLESS
PUBLIC IMPROVEMENTS
MANUAL SECTION 3010 - TRENCH AND BACKFILL
3.11 FIELD QUALITY CONTROL
A. References:
1. ASTM C 136; Standard Method for Sieve Analysis of Fine and Coarse
Aggregates.
2. ASTM D 698; Standard Test Methods for Moisture-Density Relations of Soils
and Soil-Aggregate Moisture Using 5.5 pound (4.54 kg) Rammer and 12 inch
(305 mm) Drop. (Standard Proctor Method)
3. ASTM D 1556; Standard Test Method for Density and Unit Weight of Soil in
Place by the Sand-Cone Method.
4. ASTM D 2216; Standard Test Method for Laboratory Determination of Water
(Moisture) Content of Soil and Rock by Mass.
5. ASTM D 2922 and D 3017; Test Methods for Density of Soil and Soil-
Aggregate in Place and Water Content of Soil and Rock by Nuclear Methods
(Shallow Depth).
6. ASTM D 4253 and D 4254, Test Methods for Maximum Index Density of Soils
using a Vibratory Table and Minimum Index Density of Soils and Calculation
of Relative Density.
B. Compaction Testing: Provide compaction testing of backfill, using the services
of an independent testing laboratory approved by the Jurisdictional Engineer,
unless testing is provided by Jurisdictional Engineer.
C. Schedule Testing: Notify Jurisdictional Engineer when work is prepared for testing.
D. Soil Testing:
1. Cohesive soils: Determine moisture-density relationships by ASTM D 698
(Standard Proctor). Perform at least one test for each type of cohesive soil
used.
2. Cohesive soils: Determine in-place density and mositure content using ASTM
D 1556 (sand-cone method) and D 2216 or ASTM D 2922 and D 3017
(nuclear).
3. Non-cohesive soils: Determine maximum and minimum index density and
calculate relative density using ASTM D 4253 and D 4254 (cohesionless
soils).
4. Gradation: Test according to ASTM C 136.
22 10/17/2006
• URBAN STANDARD DIVISION 3 - TRENCH, BACKFILL, AND
SPECIFICATIONS FOR TRENCHLESS
PUBLIC IMPROVEMENTS
MANUAL SECTION 3010 - TRENCH AND BACKFILL
3.11 FIELD QUALITY CONTROL (Continued)
E. Testing Frequency and Locations: Perform testing of the final trench backfill,
beginning at a depth of 2 feet above the top of the pipe, as follows:
1. Contractor provided:
a. Make one test per each 2 vertical feet of consolidated fill at each street
crossing.
b. Make one test per each 2 vertical feet of consolidated fill for each 200
horizontal feet of trench.
c. Additional testing may be required by Jurisdictional Engineer if non-
compliance or a change in conditions occur.
d. Coordinate the timing of testing with the Jurisdictional Engineer.
e. The Jurisdictional Engineer will determine the location of testing.
f. If necessary, excavate to the depth and size as required by the
Jurisdictional Engineer to allow compaction tests. Place backfill and
recompact.
2. Owner provided:
a. Coordinate the timing of testing with the Jurisdictional Engineer.
b. The Jurisdictional Engineer will determine the location of testing.
c. Test frequency will not exceed one test per each 2 vertical feet of
consolidated fill for each 200 horizontal feet of trench.
F. Test Failure: Rework, recompact, and retest as necessary until specific
compaction is achieved in all areas of the trench.
G. Retesting: In event of failed tests, Jurisdictional Engineer may require retesting
as deemed necessary. Costs of such retesting shall be paid by the Contractor,
at no additional cost to the owner.
END OF SECTION
23 10/17/2006
URBAN STANDARD SPECIFICATIONS for PUBLIC IMPROVEMENT MANUAL
/ / / / / / / / j/%// /� i�//.�i./jams.,
NOTE: \\A\/\'��\A\/\\/\\/\\// /\\/ FINAL TRENCH s\7\
SELECT SOILS UNDER PAVEMENT BACKFILL
SLABS MAY BE SPECIFIED IN THE //,sA Bd -, \/\
CONTRACT DOCUMENTS \/ / /
= \j\ PIPE WIDTH (Bc) //\/
✓\/ ' // SECONDARY BACKFILL
12" MIN. j \ �i 0
-
1.1
0_ \\/// \
w PRIMARY BACKFILL m
z SPRINGLIKE O OAP / w
w '�\k e0 \ \y/, HAUNCH SUPPORT a
d CLASS I \// � ; Oo� p°�\� Bc/6 MINIMUM n
GRANULAR \ •oo:oo cbo,9 oqo� /
BEDDING \ ° ��C �41C i\%\ Bc/8, 4" MINIMUM
y\�� � ������ y
\, FOUNDATION ED)
✓//
_ \` REQUIRED FOR SOFT OR W E T
% TRENCH CONDITIONS ONLY
UNDISTURBED SOIL //���:�==========�=��\, 1L
EW NOT TO EXCEED Bd MAX.
NOTES:
1. HAND PLACED BACKFILL SHALL BE SELECTED, FINELY DIVIDED COMPACTION
EXCAVATED MATERIAL FREE FROM DEBRIS, STONES, ORGANIC MATTER REQUIREMENTS
OR FROZEN LUMPS AND CAREFULLY COMPACTED. BACKFILL % COMPACTION
2. CLASS !GRANULAR BEDDING: FINAL 95%
SEE SECTION 3010, 2.03. PRIMARY CLASS II- 90/.
OR CLASS III- 957.
3. A. TRENCH WIDTH (RIGID PIPE) SECONDARY CLASS IVA - 957.
MIN. WIDTH: Bd=Bct1.5'.
MAX WIDTH: Bd = 1.25Bc,1'OR 54", WHICHEVER IS GREATER. HAUNCH 90/
B. TRENCH WIDTH (SEMI-RIGID AND FLEXIBLE PIPE) PIPE 90%
MIN. WIDTH: Bd = 1.25Bc•1 OR Bc+1.5', WHICHEVER IS GREATER. BEDDING
C. TRENCH WIDTH REQUIREMENTS MAY BE MODIFIED BY
JURISDICTIONAL ENGINEER BASED UPON SITE CONDITIONS.
Bd - TRENCH WIDTH AT TOP OF PIPE.
EW-EXCAVATION WIDTH AT BOTTOM OF TRENCH.
DEPTH OF BEDDING MATERIAL BELOW PIPE = Bc/8, 4" MINIMUM.
4. FOUNDATION ROCK (CLEAN CRUSHED STONE - 2 1/2 "
MATERIAL) WHEN REQUIRED SHALL BE PLACED BELOW NORMAL
BEDDING. MEASUREMENT FOR FOUNDATION ROCK SHALL BE IN
-TONS; OVER EXCAVATION SHALL BE- INCIDENTAL—
5. FOR ROCK EXCAVATION, THE TRENCH SHALL BE OVER EXCAVATED A
MINIMUM OF 6" AND REFILLED WITH NORMAL BEDDING.
4 10/18/05 _
REV. DATE BY FIGURE: 3010.1
PIPE EMBEDMENT DETAILS
DATE: 01-01-98 SHEET 1 OF 3
URBAN STANDARD SPECIFICATIONS for PUBLIC IMPROVEMENT MANUAL
FINAL TRENCH
FINAL TRENCH r BACKFILL Oj y
BACKFILLO e ;'
• ...� .•.� r < 12" MIN. SECONDARY BACKFILL �� ��� 12" MIN.
�• .•t•�••n (MINIMUM CLASS IVA)
CLASS I �.�1 r:! :40 :-.. .
P Mr •:
GRANULAR •4�� ���-�a GRANULAR ' ,�.,�.%• ,.. .,-,,,
� 4
BEDDING & f IA•A4••.e•.��•.�.d Bc/8, 4" MIN. BEDDING :We .
BACKFILL BACKFILL : '- . ._. f Bc/8, 4" MIN.
a��� ••\ ..
TYPE A-1 PIPE EMBEDMENT TYPE CSE PIPE EMBEDMENT
(GRANULAR EMBEDMENT 1' (CRUSHED STONE ENCASEMENT)
ABOVE TOP OF PIPE)
FINAL TRENCH FINAL TRENCH
BACKFILLO �v vi
�%�}
BACKFILL
> � `,ram,
? Via. .'
PRIMARY AND •�° PRIMARY AND ., •
SECONDARY BACKFILL 'cam ,,,'; SECONDARY BACKFILL1 '12" MIN.
2" MIN. � ���.(MINIMUM CLASS IVA) -or (MINIMUM CLASS IVA ";� w/ v,,
Ai 1_4. HAUNCH SUPPORT >�A 0G %'•C_:� ,1 (MINIMUM CLASS III) ;-��•�• p�❖:
GRANULAR
rAt•'�•• ;.•�. 's...� �' }:-.1r •�� Bc/6 MIN.
BEDDING & ����� •�!' :_i�:�<Bc/8, 4" MIN. GRANULAR Zrf� •{ i'-•�.-.��� Bc/8, 4" MIN.
BACKFILL 'ice .0 >r�>hrn�».,:'< BEDDING & ��> , ,-,>>,>,. \,;.;•
p
BACKFILL
TYPE B PIPE EMBEDMENT TYPE C PIPE EMBEDMENT
0 FINAL TRENCH BACKFILL SHALL BE MINIMUM CLASS IV A. CLASS IVB MAY BE USED IF APPROVED
BY THE JURISDICTIONAL ENGINEER. CLASS II MATERIAL MAY BE SPECIFIED IN THE CONTRACT DOCUMENTS
BY THE JURISDICTIONAL ENGINEER BET--WEEN-THE-PIPE-EMBEDMENT ZONE-AND-THE TOP 2--O�TIE FINAL
BACKFILL WHEN THE TRENCH IS UNDER THE PAVEMENT.
- THE CLASS OF MATERIAL STATED IS THE MINIMUM ALLOWED. HIGHER QUALITY MATERIALS (AS
REPRESENTED BY LOWER CLASS NUMBERS) MAY ALSO BE USED. SEE SECTION 3010, 2.03 - 2.08
FOR MATERIAL PROPERTIES.
2 10/19/04 SEE SHEET 3 FOR CHART
REV. DATE BY PIPE EMBEDMENT DETAILS FIGURE: 3010.1
DATE: 01/25/01
SHEET 2 OF 3
URBAN STANDARD SPECIFICATIONS for PUBLIC IMPROVEMENT MANUAL
a,
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2 01/29/03
REV. DATE BY PIPE EMBEDMENT DETAILS FIGURE: 3010.1
DATE: 01/25/01 SHEET 3 OF 3
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL
PAGE
SECTION 5010 -PIPE AND FITTINGS N JMBER
PART 1 - GENERAL
1.01 SECTION INCLUDES 1
1.02 DESCRIPTION OF WORK 1
1.03 SUBMITTALS 1
1.04 SUBSTITUTIONS 1
1.05 DELIVERY, STORAGE, AND HANDLING 2
1.06 SCHEDULING AND CONFLICTS 2
1.07 SPECIAL REQUIREMENTS 2
1.08 MEASUREMENT FOR PAYMENT 3
PART 2- PRODUCTS
2.01 WATER MAIN PIPE 4
2.02 BOLTS FOR WATER MAIN PIPE AND FITTINGS 5
2.03 FITTINGS 6
2.04 CONCRETE THRUST BLOCKS 7
2.05 PIPELINE ACCESSORIES 7
2.06 SPECIAL GASKETS 8
2.07 WATER SERVICE PIPE AND APPURTENANCES 8
PART 3- EXECUTION
3.01 GENERAL PIPE INSTALLATION 9
3.02 ADDITIONAL REQUIREMENTS FOR DUCTILE IRON
PIPE INSTALLATION 10
3.03 ADDITIONAL REQUIREMENTS FOR PVC PIPE INSTALLATION 10
10/17/2006
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL
PAGE
SECTION 5010 —PIPE AND FITTINGS NUMBER
PART 3— EXECUTION (Continued)
3.04 ADDITIONAL REQUIREMENTS FOR PRESTRESSED
CONCRETE CYLINDER PIPE INSTALLATION 10
3.05 POLYETHYLENE ENCASEMENT INSTALLATION 10
3.06 TRACER SYSTEM INSTALLATION 11
3.07 CONFLICTS 11
3.08 TRANSITIONS IN PIPING SYSTEMS 12
3.09 STRUCTURE PENETRATIONS 12
3.10 WATER SERVICE STUB 13
3.11 TESTING AND DISINFECTION 13
FIGURES FIGURE
NUMBER
PCC THRUST BLOCKS 5010.1
POLYETHYLENE WRAP 5010.2
TRACER WIRE DETAIL 5010.3
MINIMUM CLEARANCE BETWEEN WATER SERVICE
AND STRUCTURE 5010.4
I I 10/17/2006
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL
PAGE
SECTION 5020-VALVES, HYDRANTS AND APPURTENANCES NUMBER
PART 1 - GENERAL
1.01 SECTION INCLUDES 1
1.02 DESCRIPTION OF WORK 1
1.03 SUBMITTALS 1
1.04 SUBSTITUTIONS 2
1.05 DELIVERY, STORAGE, AND HANDLING 2
1.06 SCHEDULING AND CONFLICTS 2
1.07 SPECIAL REQUIREMENTS 3
1.08 MEASUREMENT FOR PAYMENT 3
PART 2- PRODUCTS
2.01 VALVES 5
2.02 FIRE HYDRANT 9
2.03 APPURTENANCES 11
PART 3- EXECUTION
3.01 GENERAL 12
3.02 FLUSHING DEVICE (BLOWOFF) 13
3.03 FIRE HYDRANT 13
FIGURE
FIGURES NJMBER
FIRE HYDRANT DETAIL- ELEVATION (SHEET 1 OF 2) 5020.1
FIRE HYDRANT DETAIL- PLAN (SHEET 2 OF 2) 5020.1
PERMANENT FLUSHING DEVICE DETAIL (BLOWOFF) 5020.2
TEMPORARY FLUSHING DEVICE DETAIL (BLOWOFF) 5020.3
III 10/17/2006
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL
PAGE
SECTION 5030-TESTING AND DISINFECTION NUMBER
PART 1 -GENERAL
1.01 SECTION INCLUDES 1
1.02 DESCRIPTION OF WORK 1
1.03 SCHEDULING 1
1.04 REGULATORY REQUIREMENTS 1
1.05 MEASUREMENT FOR PAYMENT 1
PART 2- PRODUCTS
2.01 DISINFECTION AGENT-CHLORINE 2
PART 3 - EXECUTION
3.01 SEQUENCE OF OPERATION 2
3.02 PRESSURE AND LEAK TESTING 3
3.03 INITIAL FLUSHING 5
3.04 DISINFECTION 6
3.05 FLUSHING AFTER DISINFECTION IS COMPLETE 6
3.06 PUTTING WATER MAIN IN SERVICE 7
iv 10/17/2006
•
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL SECTION 5010 - PIPE AND FITTINGS
PIPE AND FITTINGS
PART 1 -GENERAL
1.01 SECTION INCLUDES
A. Pipe.
B. Fittings.
C. Special Fittings.
D. Pipeline Accessories.
1.02 DESCRIPTION OF WORK
A. Construct water mains and building service pipes.
B. Reference is made to the Iowa Department of Transportation Standard
Specifications for Highway and Bridge Construction, Series 2001, and all current
General Supplemental Specifications and Materials Instructional Memorandum
by the term "Iowa DOT Specifications" and/or"Iowa DOT I.M."
1.03 SUBMITTALS
A. Submit under provisions of Division 1.
B. Manufacturer's instructions for installation for all pipe and fittings utilized.
C. Construction sequencing.
D. Catalog cuts, samples, manufacturer's data, and listing of applicable standards
for special, unique, or proposed substitute materials, if requested by the
Jurisdictional Engineer. — ---__.
E. Joint restraint system.
F. Project Record Documents.
G. Upon request, provide Material Certifications to the Jurisdictional Engineer.
1.04 SUBSTITUTIONS
A. Use only materials conforming to these specifications unless permitted otherwise
by the Jurisdictional Engineer.
B. Obtain written approval of the Jurisdictional Engineer for all substitutions prior to
use.
1 10/17/2006
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL SECTION 5010 - . PIPE AND FITTINGS
1.05 DELIVERY, STORAGE, AND HANDLING
A. Deliver only materials that fully conform to these specifications or for which
submittals have been provided to the Jurisdictional Engineer and approved for
use.
B. Store materials in a protected environment.
C. Remove pipe and fittings contaminated with mud and surface water from the site;
do not use in construction unless thoroughly cleaned, inspected, and approved
by the Jurisdictional Engineer.
D. Avoid damage when handling materials. Replace any damaged materials.
Remove damaged materials from the site.
1.06 SCHEDULING AND CONFLICTS
A. Construction Sequence:
1. Attend a preconstruction meeting if required by the Jurisdictional Engineer.
2. Submit plan for construction sequence prior to commencing construction
unless specifically not required by the Jurisdictional Engineer.
B. Conflict Avoidance:
1. Expose possible conflicts in advance of construction, such as utility lines and
drainage structures. Verify elevations of each and verify clearances for
proposed construction.
2. Complete elements of the work that can affect line and grade in advance of
other open cut construction unless noted on plans.
3. Notify the Jurisdictional Engineer of any conflicts discovered or-any changes
needed to accommodate unknown or changed conditions.
1.07 SPECIAL REQUIREMENTS
•
A. Stop Work: Stop work and notify the Jurisdictional Engineer immediately if
contaminated soils, historical artifacts, or other environmental or historic items
are encountered.
B. Conform to local, state, and federal requirements.
2 10/17/2006
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL SECTION 5010 - PIPE AND FITTINGS
1.08 MEASUREMENT FOR PAYMENT
All measurements for payments will be made by the Jurisdictional Engineer or
authorized representative.
A. Water Main Pipe:
1. Measurement of pipe will be along the centerline of the pipe, including the
length through the fittings, installed according to the plans.
2. For water main installed within casing pipe, measurement will be the length of
casing and carrier pipes, along the centerline of the casing. Payment will be
made for both carrier and casing pipes as a single unit for the appropriate
method of installation.
3. Payment will be made at the unit price for each type and size of pipe properly
installed.
4. Trench and backfill and trenchless construction, tracer system, testing,
disinfection, and polyethylene wrap for ductile iron pipe and fittings are
incidental to this item.
B. Water Service Stubs:
1. Count each size of water service stub and stop box, installed as a single
item, from the water main to the stop box.
2. For each installation, payment will be made at the unit price.
3. Corporation, service pipe, stop, and stop box are incidental to this item.
C. Fittings:
1. Count fittings by type and size:
2. One of the following methods for payment will be specified:
a. Payment will be made at the unit price for each type and size of fitting
properly installed.
b. Payment will be made based on a conversion to a weight basis according
to the standard fitting weights as published in AWWA C153 for ductile-
iron compact fittings.
3. Restrained joints and thrust blocks are incidental to fittings.
3 10/17/2006
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL SECTION 5010 - PIPE AND FITTINGS
PART 2- PRODUCTS
2.01 WATER MAIN PIPE
A. Polyvinyl Chloride (PVC) Pipe:
1. Conform to AWWA C900 or C905 with gray iron pipe equivalent outside
diameters.
2. Minimum Wall Thicknesses:
a. 4-inch through 24-inch sizes: DR 18.
b. Sizes over 24-inch: See the plans.
3. Markings on Pipe:
a. Name of manufacturer.
b. Size and class.
c. Spigot insertion depth gauge.
d. National Sanitation Foundation (NSF) seal.
B. Ductile Iron Pipe:
1. Minimum Thickness Class:
a. 4-inch through 24-inch sizes: Special thickness Class 52 per AWWA
C151.
b. Sizes over 24 inches: As shown on the plans.
2. Cement-mortar lined, per AWWA C104 with asphaltic seal coat.
3. External Coating: Asphaltic per AWWA C151.
4. Joint Type: Use push-on type, except as otherwise required on the plans or
specifically authorized by the Jurisdictional Engineer.
a. Push-on: per AWWA C111.
- — b. Mechanical: per AWWA C111
c. Restrained, Buried: Pipe manufacturer's standard field removable system.
d. Restrained, in Structures: Restraining gland, flanged or grooved.
e. Flanged: AWWA C111.
f. Grooved: AWWA C606.
g. Gaskets: AWWA C111.
5. Markings on Pipe:
a. Name of manufacturer.
b. Size and class.
c. Spigot insertion depth gauge.
4 10/17/2006
• URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL SECTION 5010 - PIPE AND FITTINGS
2.01 WATER MAIN PIPE (Continued)
C. Prestressed Concrete Cylinder Pipe:
1. Design and manufacture according to AWWA C301 and C304 to meet the
following minimum conditions:
a. Internal Pressure: 150 psi.
b. Earth Loads: Actual trench depth, but not less than 6 feet.
c. Live Loads: HS 20 vehicle over trench.
d. Surge Pressure: Allowance 60 psi.
e. Bedding: Type R2, AWWA C304, Figure 9.
f. Safety Factor: 2.5.
2. Joints:
a. Steel joint rings with rubber gaskets per AWWA C301.
b. External Joint Filler: Cement mortar with diapers.
c. Outlets: Flanged, per ANSI B16.1, Class 125, with 1/8 inch minimum
thickness rubber gaskets.
2.02 BOLTS FOR WATER MAIN PIPE AND FITTINGS
Use corrosion resistant bolts.
A. Tee-bolts and Hexagonal Nuts for Mechanical Joints:
1. High-strength, low-alloy steel manufactured according to AWWA C111.
2. Provide ceramic-filled, baked-on, fluorocarbon resin coating for bolts and
nuts.
3. Include factory-applied lubricant that produces low coefficient of friction for
ease of installation.
B. Other Bolts and Nuts:- - - - -
1. Stainless steel
2. Ductile iron
3. Zinc, zinc chromate, or cadmium plated
5 10/17/2006
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL SECTION 5010 - PIPE AND FITTINGS
2.03 FITTINGS
A. For Ductile Iron and PVC Pipe:
1. AWWA C110 or AWWA C153.
2. Joint Type:
a. Use mechanical joint conforming to AWWA C111 for pipe sizes 16 inches
and less.
b. For pipe sizes greater than 16 inches, use restrained mechanical joint
system. Provide follower gland using breakaway torque bolts to engage
thrust restraint.
1) Minimum pressure rating of 250 psi.
2) Suitable for buried service.
3) Provide stainless steel set screws on follower gland.
4) Joint restraint system to be field installable, field removable, and
re-installable.
c. Use of alternate restraint systems must be approved by the Jurisdictional
Engineer.
3. Cement-mortar lined per AWWA C104 with asphaltic coating.
4. Wall Thickness: AWWA C153.
5. Gaskets: Per AWWA C111.
B. Fittings for Prestressed Concrete Cylinder Pipe: As required for prestressed
concrete cylinder pipe.
C. Flange Adapter:
1. Body: Ductile iron conforming to the requirements of ASTM A 536.
2. End Rings (Follower Rings):- Ductile iron conforming to-the-requirements-of
ASTM A 536.
3. Gaskets: New rubber compounded for water service and resistant to
permanent set.
4. Bolts and Nuts: High strength, low alloy corrosion resistant steel or carbon
steel bolts conforming to the requirements of ASTM A 307.
6 10/17/2006
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL SECTION 5010 - PIPE AND FITTINGS
2.03 FITTINGS (Continued)
D. Pipe Coupling:
1. Center Sleeve (Center Ring): Steel pipe or tubing conforming to the
requirements of ASTM A 53 or ASTM A 512; or formed carbon steel with a
minimum yield of 30,000 psi.
2. End Ring (Follower Ring): Ductile iron conforming to the requirements of
ASTM A 536, or steel meeting or exceeding the requirements of ASTM A
576, grade 1010-1020.
3. Gaskets: New rubber compounded for water service and resistant to
permanent set.
4. Bolts and Nuts: High strength, low alloy corrosion resistant steel.
2.04 CONCRETE THRUST BLOCKS
A. Use concrete with a compressive strength of 4000 psi at 28 days.
B. Refer to the plans for dimensions and installation of thrust blocks. See Figure
5010.1.
C. Use for all pipe sizes 16 inches in diameter or smaller or when specified.
2.05 PIPELINE ACCESSORIES
A. Polyethylene Wrap:
1. Use on all ductile iron pipe and fittings in buried service.
2. Conform to AWWA C105.
3. 8 mil minimum thickness.
B. Tracer System: See Figure 5010.3.
1. Tracer Wire: #12 solid single copper conductor.
a. Insulation Material: Linear low-density polyethylene (LLDPE) installation
suitable for direct burial applications.
b. Insulation Thickness: 0.045 inches, minimum.
2. Ground Rod: 3/8 inch dia., 60-inch steel rod uniformly coated with
metallically bonded electrolytic copper.
3. Ground-rod Clamp: High-strength, corrosion-resistant copper alloy.
7 10/17/2006
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL SECTION 5010 - PIPE AND FITTINGS
2.05 PIPELINE ACCESSORIES (Continued)
4. Splice Kit: Inline resin splice kit with split bolt for 1kV and 5kV. Insulates and
seals single conductor and unshielded cable splices for direct bury and
submersible applications.
5. Tracer Wire Station: See Jurisdiction for requirements.
2.06 SPECIAL GASKETS
A. For soils contaminated with gasoline, use neoprene or nitrile gaskets.
B. For soils contaminated with volatile organic compounds, use nitrile or fluoro
carbon gaskets.
C. For other soil contaminants, see the Jurisdictional Engineer for the required
gasket.
2.07 WATER SERVICE PIPE AND APPURTENANCES
A. Controlling Standards: Local plumbing and fire codes.
B. Materials (as allowed by Jurisdiction or specified in contract documents):
1. Copper Pipe:
a. Conform to ASTM B 88.
b. Wall thickness: Type K.
2. Ductile Iron Pipe: As specified in Section 5010, 2.01. Polyethylene wrap is
required.
3. PVC Pipe: ASTM D 1785, SDR 21, Schedule 80, Type S joints.
— 4. Brass Pipe: Red, seamless, per ASTM B 43. —
5. Polyethylene Pipe: Class 200, per AWWA C901.
C. Corporations and Stop Boxes: See Jurisdiction for requirements.
8 10/17/2006
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL SECTION 5010 - PIPE AND FITTINGS
PART 3 - EXECUTION
3.01 GENERAL PIPE INSTALLATION
A. Install only approved materials.
B. Protect pipe joints and valves from damage while handling and storing.
C. Do not use deformed, defective, gouged, or otherwise damaged pipes or fittings.
D. Excavate trench and place backfill according to Section 3010. If trenchless
methods are utilized, install according to Section 3020. Keep trench free of
water.
E. Clean pipe interior prior to placement in the trench.
F. Provide uniform bearing along the full length of the pipe barrel. Provide bell
holes.
G. Install pipe with fittings and valves to the lines and grades shown on the plans.
H. Clean joint surfaces thoroughly and apply lubricant approved for use with potable
water.
I. Push pipe joint to indication line on spigot end of pipe before making any joint
deflections.
J. Limit joint deflections to one degree less than pipe manufacturer's recommended
maximum limit.
K. Tighten bolts in a joint evenly around the pipe.
L. Install concrete thrust blocks on pipes 16 inches in diameter or smaller(see
Figure 5010.1). For pipes larger than 16 inches, install restrained joints--
M. Install remaining pipe bedding according to the plans using materials conforming
to these specifications.
N. Keep exposed pipe ends closed with rodent-proof end gates at all times when
pipe installation is not occurring.
O. Close the ends of the installed pipe with watertight plugs during nights and non-
working days.
P. Do not allow any water from the new pipeline to enter the existing distribution
system piping.
9 10/17/2006
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL SECTION 5010 - PIPE AND FITTINGS
3.02 ADDITIONAL REQUIREMENTS FOR DUCTILE IRON PIPE INSTALLATION
A. Install according to AWWA C600.
B. Cut pipe perpendicular to pipe barrel. Do not damage cement lining. Bevel cut
ends for push-on joints according to AWWA C600.
C. Encase all pipe, valves, and fittings with polyethylene wrap. See the plans.
3.03 ADDITIONAL REQUIREMENTS FOR PVC PIPE INSTALLATION
A. Cut pipe perpendicular to pipe barrel.
B. Bevel cut end of pipe barrel per pipe manufacturer's recommendation.
C. See AWWA C605.
3.04 ADDITIONAL REQUIREMENTS FOR PRESTRESSED CONCRETE CYLINDER
PIPE INSTALLATION
A. Install according to AWWA M9.
B. Relieve gasket tension by inserting a small rod between the gasket and the
gasket groove and running the tool around the pipe twice.
C. Check gasket position using a metal feeler gauge after the joint has been
assembled.
D. Complete joint exterior grouting after pipe has been properly positioned using
non-shrink grout.
3.05 POLYETHYLENE ENCASEMENT INSTALLATION
A. Apply to all buried iron pipe, fittings, fire hydrants, and appurtenances. -- — -- -B. Install according to AWWA C105. Also see Figure 5010.2.
C. The polyethylene encasement is to prevent contact between the pipe and the
bedding material, but need not be airtight or watertight.
D. Secure and repair encasement material using polyethylene tape, or replace as
necessary.
10 10/17/2006
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL SECTION 5010 - PIPE AND FITTINGS
3.06 TRACER SYSTEM INSTALLATION
A. Install with all buried water main piping. See Figure 5010.3 for tracer wire
installation.
B. Begin and terminate system at all connections to existing mains.
C. Install wire continuously along the lower quadrant of the pipe. Do not install wire
along the bottom of the pipe. Attach wire to the pipe at the midpoint of each pipe
length; use 2-inch wide, 10 mil thickness polyethylene pressure sensitive tape.
D. Install splices only as authorized by the Jurisdictional Engineer. Allow the
Jurisdictional Engineer to inspect all below-grade splices of tracer wire prior to
backfill.
E. Install ground rods adjacent to connections to existing piping and at locations
shown on plans or as directed by the Jurisdictional Engineer.
F. Bring two wires to the surface at each hydrant location and terminate with a
tracer wire station (see Figure 5010.3).
G. Final inspection of the tracer system will be conducted at the completion of the
project and prior to acceptance by the owner. Verify the electrical continuity of
the system. Repair any discontinuities.
3.07 CONFLICTS
A. Provide temporary support for existing gas, telephone, power, or other utilities or
services that cross the trench.
B. Compact backfill under existing utility crossing as specified in Section 3010 or
construct utility line supports where indicated on plans or as directed by the
Jurisdictional Engineer.
C. Separate water mains from gravity sewers by a horizontal distance of at least 10
feet unless:
1. Bottom of the water main is at least 18 inches above the top of the sewer.
2. Sewer is placed in a separate trench or in the same trench on a bench of
undisturbed earth at a minimum horizontal separation of 3 feet separation
from the water main.
D. Use water main materials as specified in Section 4010, 2.01 for gravity sewers
with less than 10 feet horizontal distance and the bottom of the water main less
than 18 inches above top of the sewer; maintain at least 2 feet linear separation.
11 10/17/2006
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL SECTION 5010 - PIPE AND FITTINGS
3.07 CONFLICTS (Continued)
E. Where the water main crosses under the gravity sewer, or where the bottom of
the water main is less than 18 inches above the top of the sewer:
1. If physical conditions prohibit the separation, the water main may not be
placed closer than 6 inches above a sewer or 18 inches below a sewer. Use
the maximum feasible separation distance in all cases.
2. Use full length of water main material as specified in Section 4010, 2.01 for
gravity sewer centered on the water main.
3. The water main and sewer must be adequately supported and have
watertight joints (See Figures 3010.4 through 3010.6).
4. Place backfill in the trench with low permeability soil for 10 feet centered on
the crossing.
F. Separate water mains from sanitary sewer force mains by a horizontal distance
of at least 10 feet, unless the force main is constructed of water main materials
meeting a minimum pressure rating of 200 psi and is installed at least 4 feet
horizontally from the water main.
3.08 TRANSITIONS IN PIPING SYSTEMS
Where the specified material of piping system entering or exiting a structure
changes, change at the outside of the structure wall, beyond any wall pipe or wall
fitting required, unless otherwise shown or specified.
3.09 STRUCTURE PENETRATIONS
A. Wall Pipes:
1. Install where pipes penetrate and terminate at a wall or floor surface of a
concrete structure, or where the pipe protrudes through the concrete wall or
floor and the protrusion is otherwise unsupported.
2. Provide a waterstop flange near the center of the embedment length.
Waterstop is to be cast integrally with the wall pipe, or fully welded to it
around the pipe circumference.
B. Wall Sleeves:
1. Install where a pipe passes through a structure wall.
2. Sleeves in concrete walls are to be supplied with a waterstop collar, fully
welded, and be cast-in-place.
12 10/17/2006
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL SECTION 5010 - PIPE AND FITTINGS
3.10 WATER SERVICE STUB
A. Install water service pipe, corporations, stops, and stop boxes according to local
Jurisdiction requirements.
B. Install 1-inch and smaller corporation valves tapped at 45 degrees above
horizontal at a minimum distance of 18 inches from pipe bell or other corporation.
Install 1-1/2 inch and 2-inch corporation valves tapped horizontal a minimum
distance of 24 inches from pipe bell or other corporation.
C. Construct trench and backfill per Section 3010.
3.11 TESTING AND DISINFECTION
Test and disinfect according to Section 5030.
END OF SECTION
13 10/17/2006
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL SECTION 5010 - PIPE AND FITTINGS
THIS PAGE IS INTENTIONALLY LEFT BLANK!
•
14 10/17/2006
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL SECTION 5010 - PIPE AND FITTINGS
THIS PAGE IS INTENTIONALLY LEFT BLANK!
15 10/17/2006
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FIGURE:5010.2 SHEET I OF I
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL SECTION 5020 - VALVES, HYDRANTS AND
APPURTENANCES
VALVES, HYDRANTS AND APPURTENANCES
PART 1 - GENERAL
1.01 SECTION INCLUDES
A. Butterfly valves.
B. Gate valves.
C. Tapping valve assemblies.
D. Fire hydrant assemblies.
E. Flushing devices (blowoffs).
F. Valve boxes.
G. Incidental items.
1.02 DESCRIPTION OF WORK
A. Install valves, hydrants, and appurtenances for water mains.
B. Reference is made to the Iowa Department of Transportation Standard
Specifications for Highway and Bridge Construction, Series 2001, and all
current General Supplemental Specifications and Materials Instructional
Memorandum by the term "Iowa DOT Specifications" and/or"Iowa DOT I.M."
1.03 SUBMITTALS
A. Submit under provisions of Division 1.
B. Manufacturer's instructions for installation for all valves, hydrants and
assemblies.
C. Construction sequencing.
D. Catalog cuts, samples, manufacturer's data and listing of applicable standards
for special, unique or proposed substitute materials if requested by
Jurisdictional Engineer.
E. Upon requests the Contractor will provide Material Certifications to the
Jurisdictional Engineer.
1 10/18/2005
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL SECTION 5020 - VALVES, HYDRANTS AND
APPURTENANCES
1.04 SUBSTITUTIONS
A. Use only materials conforming to these specifications unless permitted
otherwise by Jurisdictional Engineer.
B. Obtain written approval of Jurisdictional Engineer for all substitutions prior to
use.
1.05 DELIVERY, STORAGE, AND HANDLING
A. Deliver only materials that fully conform to these specifications, or for which
submittals have been provided to Jurisdictional Engineer and approved for use.
B. Store materials in a protected environment, on pallets or lagging.
C. Valves, hydrants and appurtenances contaminated with mud and surface water
shall be removed from the site and not used in construction unless thoroughly
cleaned, inspected and approved by Owner.
D. Handle all materials so as to avoid damage. Remove from the site and replace
any damaged materials.
1.06 SCHEDULING AND CONFLICTS
A. Construction Sequence:
1. Attend a preconstruction meeting if required by Jurisdictional Engineer.
2. Submit plan for construction sequence prior to commencing construction
unless specifically not required by Jurisdictional Engineer.
B. Conflict Avoidance:
1. Expose possible conflicts In advance of construction, such as utility lines
and drainage structures. Verify elevations of each and verify clearances
for proposed construction.
2. Complete elements of the work which can affect line and grade in
advance of other open cut construction unless noted on plans.
3. Notify Jurisdictional Engineer of any conflicts discovered or any changes
needed to accommodate unknown or changed conditions.
2 10/18/2005
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL SECTION 5020 - VALVES, HYDRANTS AND
APPURTENANCES
1.07 SPECIAL REQUIREMENTS
A. Stop Work: Stop work and notify Jurisdictional Engineer immediately if
contaminated soils, historical artifacts or other environmental or historic items
are encountered.
B. Conform to local, state and federal requirements.
1.08 MEASUREMENT FOR PAYMENT
All measurements for payments will be made by the Jurisdictional Engineer or
authorized representative.
A. Butterfly Valve:
1. Butterfly valve item includes all components attached to the valve or
required for its complete installation, including but not limited to
underground or above ground operator, square valve operating nut, valve
box, valve box extension, extension shaft sufficient to position the valve
operating nut within two feet and below the ground surface, hand wheels
and incidental items.
2. Count each butterfly valve of each size installed.
3. Payment shall be at the unit bid price for each size and type of valve
installed.
B. Gate Valve:
1. Gate valve includes all components attached to the valve or required for
its complete installation, including but not limited to underground or above
ground operator, square valve operating nut, valve box, valve box
extension, extension shaft sufficient to position the valve operating nut
within two feet and below the ground surface, hand wheels, and Incidental
items.
2. Count each gate valve of each size installed.
3. Payment shall be at the unit bid price for each size and type of valve
installed.
4. See subparagraph 1.08.D for payment for valves on fire hydrant leads.
3 10/18/2005
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL SECTION 5020 - VALVES, HYDRANTS AND
APPURTENANCES
1.08 MEASUREMENT FOR PAYMENT(Continued)
C. Tapping Valve Assembly:
1. Unit includes tapping sleeve and all other components needed to
complete the installation, and for successfully completing of the tap.
2. Count each tapping valve assembly of each size installed.
D. Fire Hydrant Assembly:
1. Fire hydrant includes the fire hydrant, with barrel extensions sufficient to
achieve proper hydrant bury length of the unit.
2. Count each fire hydrant installed.
3. Components to connect the fire hydrant to the water main, including pipe,
fittings and auxiliary valve, except tapping valve assembly if used, shall
be considered to be integral parts of the fire hydrant assembly, and no
separate or additional payment shall be made therefor.
E. Flushing Device (Blowoff):
1. Each blowoff assembly includes the valve, fittings, and all pipe segments.
Pipe used in the blowoff assembly shall not be paid for separately under
any other item.
2. Measure each blowoff assembly of each size installed by numerical
count.
F. Valve Box:
1. Each valve box shall include the lid and any extensions required extend
from the valve to the ground surface.
2. Valve box or extensions shall not be measured separately for payment
unless identified separately in the Bid Schedule as a payment item. If so
identified, measure each valve box, with extensions, if any, as a unit.
4 10/18/2005
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL SECTION 5020 - VALVES, HYDRANTS AND
APPURTENANCES
1.08 MEASUREMENT FOR PAYMENT (Continued)
G. Incidental Items:
1. Items required for proper completion of the work or required by applicable
codes, and whether or not the items are shown in the Plans, but which
are not shown in the Bid Schedule, shall be considered incidental to the
contract.
2. No separate payment shall be made for incidental items.
PART 2 - PRODUCTS
2.01 VALVES
A. General:
1. Same size as pipeline in which it is installed, unless noted otherwise on
drawings.
2. Manufacturer's name or initial and working pressure cast on valve body.
3. Open when turned counterclockwise for most jurisdictions. If the
contractor is not sure of the direction of opening of the valve, the
contractor is to contact the Jurisdiction.
4. Factory tested to twice the rated working pressure.
5. Buried service: Mechanical joints, unless noted otherwise on Plans.
6. Service within structure:
a. Flanged, per ANS_I/AW__WA C110/A21 10
b. Flanges, drilled to conform to ASME/ANSI B16.1 class 125, unless
noted otherwise on drawings.
7. All valve operators to be supplied by valve supplier.
8. Bolts for joints: Refer to Section 5010.
5 10/18/2005
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL SECTION 5020 - VALVES, HYDRANTS AND
APPURTENANCES
2.01 VALVES (Continued)
B. Butterfly Valves, Buried Service:
1. Type: Rubber seat.
2. Pressure rating: 150 psi working pressure.
3. Bubble-tight at rated pressures with flow in either direction.
4. Comply with: ANSI/AWWA C504 class 150B.
5. Body:
a. Gray iron per ASTM A 126 class B.
b. Two trunnions for shaft bearings.
6. Ends:
a. Flanged, with flange adapters, except as otherwise shown in the
Plans.
b. Flange adapter: Refer to Section 5010.
7. Disc:
a. Material: Ductile iron ASTM A 536 or gray iron ASTM A 126 class
B, with plasma applied nickel-chromium edge or ASTM A 240, Type
316 stainless steel edge.
b. Connection to shaft: Mechanically fixed stainless steel pins.
8. Shaft:
a. Material: Stainless steel, ASTM A 240, Type 304.
b. Turned, ground and polished.
9. Seat:
a. Material: Synthetic rubber compound.
b. Simultaneously molded in, vulcanized and bonded to body or
mechanically retained.
10. Bearings:
a. Corrosion resistant non-metallic and self-lubricating, sleeve type.
b. Bearing load: No greater than 1/5 the compressive strength of the
bearing or shaft material.
11. Packing: Self adjusting chevron type.
6 10/18/2005
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL SECTION 5020 - VALVES, HYDRANTS AND
APPURTENANCES
2.01 VALVES (Continued)
12. Operator:
a. Type: Buried service.
b. Three bolt, minimum, mounting to valve.
c. Hold valve in any intermediate position between fully open and fully
closed without creeping or fluttering.
d. Equipped with mechanical stop-limiting devices to prevent over-
travel of the disc in the open and closed positions.
e. Fully enclosed, gasketed and grease packed.
f. Designed to operate the valve under full rated working pressure with
a maximum of 80 foot-pounds applied force.
g. Withstand an input of 450 foot-pounds at extreme operator position
without damage.
13. Finish: In accordance with ANSI/AWWA C504.
14. Exposed bolts and hex nuts: Stainless steel.
C. Gate Valves, Buried Service:
1. Type: Non-rising stem, resilient seat.
2. Pressure rating: 200-psi working pressure, minimum.
3. Comply with: ANSI/AWWA C509.
4. Body, Bonnet and Discs: Gray iron per ASTM A 126 class B.
5. Ends: Mechanical connection, except as otherwise shown on the plans.
6. Seat: Field replaceable with stainless steel fasteners.
7. Shaft seals: Double 0-rings permanently lubricated between seals.
Lubricant certified for use in potable water.
8. Exposed bolts and hex nuts: ASTM A 240, Type 304 stainless steel.
9. Operator: 2-inch square nut.
10. Interior and exterior valve coating shall be minimum 10-mil thick fusion
bonded epoxy per AWWA C550.
11. Valve design shall not allow metal-to-metal contact between gate and
body.
7 10/18/2005
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL SECTION 5020 - VALVES, HYDRANTS AND
APPURTENANCES
2.01 VALVES (Continued)
D. Tapping Valve Assemblies:
1. Valve: Tapping valve conforming to ANSI/AWWA C509.
2. Sleeve:
a. Minimum 14 gauge.
b. Stainless steel, ASTM A 240, Type 304.
c. Working pressure 200 psi.
d. Must fully surround pipe.
e. Refer to table for minimum sleeve length
3. Gasket:
a. To completely surround pipe.
b. Minimum thickness 0.125 inch.
c. Material: nitrile rubber.
4. Outlet Flange:
a. Stainless steel, ASTM A 240, Type 304.
b. ANSI B16.1, 125 pound pattern.
5. Bolts: Stainless steel, ASTM A 240, Type 304.
6. Minimum sleeve length:
Outlet Flange Size Minimum Sleeve Length
(Inches) (Inches)
4 15
6 15
8 21
12 30
Sizes over 12 inch Consult Jurisdictional
Engineer
7. Consult Jurisdictional Engineer for applicability. Use tapping valve
assemblies only where approved and authorized or shown on the plans.
8 10/18/2005
• URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL SECTION 5020 - VALVES, HYDRANTS AND
APPURTENANCES
2.02 FIRE HYDRANT
A. Material: Conform to ANSI/AWWA C502, as modified herein.
B. Manufacturers: As allowed by the Jurisdiction or specified in the contract
documents.
C. Features:
1. Break-away stem coupling.
2. Inlet nominal size: 6 inch diameter.
3. Inlet connection type: Mechanical Joint.
4. Hose nozzles: two, each 2-1/2 inches in diameter.
5. For the following items, as allowed by the Jurisdiction or specified in the
contract documents:
a. Operating nut: Pentagonal, size of 1-3/16 inches or 1-1/2 inches.
b. Pumper nozzle: 4 inches or 4-1/2 inches in diameter.
c. Nozzle Threads: National Standard or specific local requirements.
d. Nominal bury length: Same depth as water main.
e. Main valve nominal opening size: 4-1/2 inches or 5-1/4 inches in
diameter
f. Direction of opening: Counter clockwise or clockwise.
D. Substitutions: None, unless approved in writing by Jurisdictional Engineer.
E. Painting:
1. Shop coating; per ANSI/AWWA C502.
2. Field coating above grade; Exterior coating, type and color selection by
Jurisdictional Engineer.
F. Provide auxiliary gate valve with valve box conforming to Section 5020, 2.01,
C. Refer to Detailed Drawings.
G. Exposed Bolts And Hex Nuts: Stainless steel, ASTM A 193, Grade B 8.
9 10/18/2005
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL SECTION 5020 - VALVES, HYDRANTS AND
APPURTENANCES
2.03 APPURTENANCES
A. Flushing Device (Blowoff):
1. Construct according to Detailed Drawings for Temporary or Permanent
unit. Refer to Plans for applicable type at each location.
2. Nominal size: Two pipe diameters less than the water main to which it is
attached.
3. Locations: Where shown on the Plans.
4. Components: Pipe, gate or butterfly valve, valve box, tee, reducer, thrust
block, elbow, pipe cap and miscellaneous fittings, all as specified
elsewhere in these Specifications.
B. Valve Box:
1. Applicability: For all buried gate or butterfly valves.
2. Type:
a. In paved areas; slide type.
b. In all other areas; screw extension.
3. Material: Gray iron.
4. Cover: Gray iron, labeled "WATER"
5. Wall thickness: 3/16-inch, minimum.
6. Inside diameter: 5-inches, minimum.
7. Length: Adequate to bring top to ground surface.
8. Factory finish: Asphalt coating.
9. Installation to include valve box ring.
C. Incidental Items:
1. Valve Stem Extension: Provide for all buried valves. Raise 2-inch
operating nut to within two feet of, but not closer than 6 inches of the
surface. Stem diameter per'valve manufacturer's recommendations, but
not less than 1 inch.
2. Other Items: As required to complete the installation in accordance with
the Plans.
10 10/18/2005
• URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL SECTION 5020 - VALVES, HYDRANTS AND
APPURTENANCES
PART 3 - EXECUTION
3.01 GENERAL
A. Install only approved materials.
B. Install in accordance with the Plans, the Standard Drawings, and the
Jurisdictional Engineer's instructions, as appropriate.
C. Test and disinfect all valves, hydrants, and appurtenances as components of
the completed water main in accordance with Section 5030.
D. Apply polyethylene wrap to all iron pipe, valves, valve boxes, hydrants and
fittings.
E. Set tops of valve boxes to finish grade unless otherwise directed by
Jurisdictional Engineer.
F. Check the working order of all valves by opening and closing through entire
range. Before exercising the valve, check with Jurisdiction on operating
requirements.
3.02 FLUSHING DEVICE (BLOWOFF)
A. Install where shown on the plans, in accordance with Figures 5020.2 and
5020.3.
1. Install gravel backfill.
2. Install thrust block, bearing on perpendicular excavation face of
undisturbed earth.
B. Temporary locations to be used only where approved by Jurisdictional
Engineer. Temporary blowoff must be removed prior to project completion and
acceptance.
3.03 FIRE HYDRANT
A. If auxiliary valve is positioned adjacent to water main, attach it to anchoring tee.
B. If auxiliary valve is positioned away from water main, restrain all joints between
valve and water main.
C. Position auxiliary valve at least 15 inches (clearance) away from fire hydrant.
11 10/18/2005
•
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL SECTION 5020 - VALVES, HYDRANTS AND
APPURTENANCES
3.03 FIRE HYDRANT (Continued)
D. Fire Hydrant Depth Setting:
1. Use adjacent finish grade to determine setting depth.
2. Nozzle not less than 1'-6" nor more than 1'-11" above grade, measured
from centerline of nozzle to grade. Adjust barrel length, or add or remove
extensions as required.
3. If finish grade is not to be obtained during the current project, consult with
Jurisdiction Engineer for proper setting dimension.
E. Coordinate installation with tracer wire installation.
F. Refer to Figure 5020.1.
G. Orient fire hydrant nozzles as directed by Jurisdiction Engineer.
END OF SECTION
12 10/18/2005
URBAN STANDARD SPECIFICATIONS for PUBLIC IMPROVEMENT MANUAL
NOTE:
LOWEST NOZZLES MUST BE AT LEAST
FIRE HYDRANT 1'-6" AND NOT MORE THAN
TRACER WIRE STATION 1'-11" ABOVE FINISH GRADE.
SEE DETAIL 5010.5 A
FINISH GRADE
WATER MAIN
1' 6" MIN. TRENCH WALLS
1'-11" MAX. VALVE BOX
1-6" MIN
7 — i 1-1—r 2/ '/<----
//\/
I
PEA GRAVEL
TRACER OR DEPTH AS CONCRETE
WIRES rBACKFILLRULAR SPECIFIED BLOCKTHRUSY
� ,a ° g
�°�OOo° ° S° '•'• ANCHORING PIPE i WATER
D J ' ° as �b••' OR AN I \CHORING MAIN
Y •Dino � o: COUPLING
U • O
Um • �%Q.oi•i' "���,1 L
D
_t_____4___4 _: .TLHi
-____--_ ___ /\/\
•
. - •:. •• SOLID CONCRETE •BLOCK?O oQ°14t�•°••7•i'° •oi °11. \\//,
\ \ , . o•., .iN•• OU.i v✓U L OO-' wQ••••Ii• 1.i.e•••1 Ii.SJ Il•tit.
CONCRETE THRUST BLOCK (-I AS REQUIRED H
ANCHORING TEE.
POURED AGAINST USE ANCHORING
UNDISTURBED SOIL. ELBOW WHEN
DO NOT COVER HYDRANT GAT-E_VALVE._. ___ REQUIRED. SEE
DRAIN HOLES OR UNDISTURBED SOIL SPECIFICATIONS
TRACER WIRES.
DUCTILE IRON PIPE
NOTES:
1. WRAP FIRE HYDRANT, PIPE, VALVE, VALVE BOX AND TEE OR ELBOW
IN PLASTIC AS SPECIFIED.
2. INSTALL TRACER WIRE AS SHOWN ON DETAILED DRbviviNG "TRACER
WIRE DETAIL."
3. APPLY POLYETHYLENE ENCASEMENT ON PIPE, VALVE, VALVEBOX
FIRE HYDRANT AND FITTINGS.
2 10/21/03 SEE SHEET 2 FOR ADDITIONAL DETAILS.
REV. DATE BY FIRE HYDRANT DETAIL - ELEVATION FIGURE: 5020.1
DATE: 01-01-98 SHEET 1 OF 2
URBAN STANDARD SPECIFICATIONS for PUBLIC IMPROVEMENT MANUAL
DISCHARGE PIPE LENGTH
AND DIRECTION AS REQUIRED
TO AVOID DAMAGE.
VALVE BOX
AS REQUIRED \�G
\i\/\/�
EXTENSION
REDUCER
RISER
WATER MAIN
THRUST BLOCK
/ \ \>%%//A /
FLUSHING VALVE ELBOW
NOTES:
1. AFTER SUCCESSFUL MAIN TESTING AND DISINFECTION, REMOVE EXTENSION
AND RISER. PLUG ELBOW.
2. TO EXTEND WATER-VAIN, REMOVE REDUCER-AND-VA1VL.
REV. DATE BY TEMPORARY FLUSHING DEVICE DETAIL FIGURE= 5020.3
DATE: 01-01-98 (BLOWOFF) SHEET 1 OF 1
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL SECTION 5030 - TESTING AND
DISINFECTION
TESTING AND DISINFECTION
PART 1 - GENERAL
1.01 SECTION INCLUDES
A. Pressure and leak testing of water system.
B. Disinfection of potable water systems.
1.02 DESCRIPTION OF WORK
A. Test and disinfect water mains, valves, hydrants, and appurtenances.
B. Reference is made to the Iowa Department of Transportation Standard
Specifications for Highway and Bridge Construction, Series 2001, and all
current General Supplemental Specifications and Materials Instructional
Memorandum by the term "Iowa DOT Specifications"and/or"Iowa DOT I.M."
1.03 SCHEDULING
A. Notify Jurisdictional Engineer one working day in advance of testing or
disinfection operations to coordinate the operations.
B. Jurisdictional Engineer or his representative must be in attendance during
testing or disinfection.
1.04 REGULATORY REQUIREMENTS
Conform to the standards of the Iowa Department of Natural Resources.
1.05 MEASUREMENT FOR PAYMENT
All measurements for payments will be made by the Jurisdictional Engineer or
authorized representative.
A. Testing and inspection of water systems is incidental to construction. Include
the costs in the prices bid for pipe and fittings.
1 10/18/2005
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL SECTION 5030 - TESTING AND
DISINFECTION
PART 2 - PRODUCTS
2.01 DISINFECTION AGENT- CHLORINE
A. Meet Requirements:
1. Calcium Hypochlorite, per ANSI/AWWA B300.
2. Sodium Hypochlorite, per ANSI/AWWA B300.
B. Chlorine containers must have AWWA stamp.
PART 3 - EXECUTION
3.01 SEQUENCE OF OPERATION
A. New Water System Construction: Perform operations in the following
sequence:
1. Perform initial flush.
2. Make all service taps.
3. Perform pressure and leak testing.
4. Perform disinfection.
5. Flush after disinfection.
B. Water System Rehabilitation: Perform operations in the following sequence:
1. Perform initial flush.
2. Perform pressure and leak testing.
3. Perform disinfection.
4. Flush after disinfection.
5. Make all service taps.
C. Successfully complete each operation before commencing to the next
operation.
D. Jurisdiction will provide reasonable quantities of water for flushing and testing.
2 10/18/2005
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL SECTION 5030 - TESTING AND
DISINFECTION
3.02 PRESSURE AND LEAK TESTING
A. Remove any debris from within pipe. Clean and swab out pipe if required.
B. Secure any unrestrained pipe ends against uncontrolled movement.
C. Isolate new piping from the existing water system.
D. Fill and flush all new piping with potable water. Ensure that all trapped air is
removed.
E. Pressurize the new pipe to the test pressure at the highest point in the isolated
system. Do not pressurize to more than five psi over the test pressure at the
highest point in the isolated system.
F. Test the completed piping system at 11/2 times the system working pressure or
150 psi, whichever is greater, for two hours.
G. Monitor the pressure in the line for a period of not less than two hours.
H. If at any time during the test the pressure drops to five psi below the test
pressure, repressurize the pipe by pumping in potable water in sufficient
quantity to bring the pressure back to the original test pressure.
I. Accurately measure the amount of water required to repressurize the system to
the test pressure.
3 10/18/2005
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL SECTION 5030 - TESTING AND
DISINFECTION
3.02 PRESSURE AND LEAK TESTING (Continued)
J. Maximum Allowable Leakage Rate at 150 psi (not applicable at other
pressures).
Pipe Diameter Maximum Allowable Leakage
(inches) Rate, (gallons per hour per
1,000 feet of pipe)
4 0.37
6 0.55
8 0.74
10 0.92
12 1.10
14 1.29
16 1.47
18 1.66
20 1.84
24 2.21
30 2.76
36 3.31
Note: For unusual conditions or for water lines shorter than 500 feet, consult
Jurisdictional Engineer for allowable leakage rate. The following formula shall
apply:
L = (S)(D)(P)1/2
133,200
Where:
L = leakage allowable, in gallons per hour.
S = length of pipe test section, in feet.
D = pipe diameter, in inches.
P=average test pressure, psig.
K. If the average measured leakage per hour exceeds the Maximum Allowable
Leakage Rate, repair and retest the water line.
4 10/18/2005
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL SECTION 5030 - TESTING AND
DISINFECTION
3.02 PRESSURE AND LEAK TESTING (Continued)
L. If the measured pressure loss does not exceed 5 psi the test will be considered
acceptable.
M. Repair all visible leaks regardless of the amount of leakage.
3.03 INITIAL FLUSHING
A. Flushing:
1. Flush pipe prior to disinfection using potable water.
2. Use pitot tube to measure flushing velocity.
3. Obtain a minimum flushing velocity of 2.5 feet per second in the pipe to
be disinfected.
B. Minimum Flushing Rate:
Pipe Diameter Flow Rate for Flushing Pipe Diameter Flow Rate for Flushing
(inches) (gpm) (inches) (gpm)
4 100 16 1,600
6 220 18 2,000
8 390 20 2,500
10 600 24 3,500
12 870 30 5,500
14 1,200— 36 8,000—
C. Property Protection: Protect public and private property from damage during
flushing operations.
5 10/18/2005
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL SECTION 5030 - TESTING AND
DISINFECTION
3.04 DISINFECTION
A. General:
1. Applicable standard: ANSI/AWWA C651.
2. Disinfect only after satisfactory pressure testing has been completed.
3. Keep piping to be chlorinated isolated from lines in service and from
points of use.
4. Coordinate disinfection with Jurisdictional Engineer.
5. Jurisdictional Engineer will obtain and test water samples.
B. Disinfection:
1. Induce flow of potable water through the pipe.
2. Introduce highly chlorinated water to the pipe at a point within 5 pipe
diameters of the pipe's connection to an existing potable system, or within
5 pipe diameters of a closed end, if there is no connection to an existing
system.
3. Introduce water containing 25 mg/L free chlorine minimum until the entire
new pipe contains 25 mg/L free chlorine minimum.
4. Retain chlorinated water in pipe for at least 24 hours and not more than
48 hours.
5. If test is not successful, repeat disinfection procedure.
3.05 FLUSHING AFTER DISINFECTION IS COMPLETE
A. Maintain isolation of the new pipe from the existing potable water system until
test results have been approved, but not less than 24 hours after flushing has
been completed.
B. Flush pipe using potable water until chlorine residual equals that of the existing
potable water system.
C. Discharge chlorinated water in a safe manner.
6 10/18/2005
URBAN STANDARD DIVISION 5 - WATER MAINS AND
SPECIFICATIONS FOR APPURTENANCES
PUBLIC IMPROVEMENTS
MANUAL SECTION 5030 - TESTING AND
DISINFECTION
3.05 FLUSHING AFTER DISINFECTION IS COMPLETE (Continued)
D. Disposal of heavily chlorinated water
1. Check with the local sewer department for the conditions of disposal to the
sanitary sewer.
2. Chlorine residual of water being disposed will be neutralized by treating
with one of the chemicals listed in Table C.1.
Table C.1 Amounts of chemicals required to neutralize various residual chlorine concentrations
in 100,000 gal (378.5 m3) of water*
Residual Chlorine Sulfur Dioxide Sodium Bisulfite Sodium Sulfite Sodium Thiosulfate
concentration (SO2) (NaHS03) (Na2S03) (Na2S2O3+ 5H20)
Mg/L lb (kg) lb (kg) lb (kg) lb Kg
1 0.8 (.36) 1.2 (.54) 1.4 (.64) 1.2 (.54)
2 1.7 (.77) 2.5 (1.13) 2.9 (1.32) 2.4 (1.09)
10 8.3 (3.76) 12.5 (5.67) 14.6 (6.62) 12.0 (5.44)
50 41.7 (18.91) 62.6 (28.39) 73.0 (33.11) 60.0 (27.22)
* Except for residual chlorine concentration, all amounts are in pounds (kilograms).
3.06 PUTTING WATER MAIN IN SERVICE
A. Obtain Jurisdictional Engineer's approval to put the completed water system in
service.
_END OF SECTION
7 10/18/2005
GENERAL SPECIAL PROVISIONS
1. SCOPE OF WORK
The work covered by this contract consists of furnishing all labor, equipment, and materials
and performing all operations, in connection with the HAZ-MAT FIRE TRAINING CENTER
8"WATER MAIN EXTENSION, as shown on the contract drawings and in accordance with
these specifications.
The contract drawings which accompany and form a part of this contract and specifications
are dated June 20, 2008. They have the general title of HAZ-MAT FIRE TRAINING CENTER
8"WATER MAIN EXTENSION.
The drawings are numbered and separately entitled as follows:
Sheet No. Description
1. Title Sheet
2. General Notes and Estimated Quantities
3. Bid Reference Notes
4. Plan Sheet
5. Details
The standard specifications of the City of Waterloo, Iowa are to be used along with the
special provisions described herein and shall be considered as part of the contract
documents.
2. CONFLICTING SPECIFICATIONS
All requirements of other specifications contained in the contract documents which conflict
with the provisions of the special provisions, and/or Bid Reference Notes in the
Construction Plans will be considered void.
3. DUMPING AREAS
Excess material resulting from construction operations shall be hauled to the County
Landfill or other area secured by the Contractor and approved by the City Engineer.
Rubble, rubbish, trees,brush, and other unsuitable backfill material, as designated by the
Engineer, shall be hauled to the County Landfill. All Landfill charges are to be considered
incidental to the contract and are the responsibility of the Contractor.
4. CONSTRUCTION DAMAGE
The Contractor shall exercise care during construction operations to ensure the safety and
protection to existing features located near or within the limits of construction. Damage
GENERAL SPECIAL PROVISIONS HAZ-MAT FIRE TRAINING CENTER Page 1 of 4
8"WATER MAIN EXT
caused by negligence or poor workmanship, as determined by the Engineer, shall be
considered the Contractor's responsibility.
5. REMOVED MATERIALS
All materials removed as part of this Contract shall remain the property of the City unless
the City determines that the materials are not salvageable and the City does not want to
retain ownership of the materials. Materials designated in the field by the Engineer as
non-salvageable shall be hauled and disposed of by the Contractor at no cost to the City, or
Waterloo Water Works. All other materials shall be transported to locations as directed by
the Engineer. No separate measurement or payment will be made for hauling or disposing
of removed materials and it shall be considered incidental to applicable items.
6. OVERHAUL
Overhaul will not be paid for "surplus material" obtained from any of the items of
construction under this contract. The cost of overhaul will be considered as incidental to
the items to which it applies.
7. PAY ITEMS
All pay items are listed in the proposal and shall include the purchase of all materials,
delivery of these materials, and furnishing all labor, plant and miscellaneous work needed
to make the item complete. All such cost shall be incidental to the proposed item to which
it applies and shall not be considered for separate payment.
8. BREAKDOWN OF LUMP SUM CONTRACT PRICE ITEMS
The Contractor shall, immediately upon execution and delivery of the contract, before the
first estimate for payment is made, deliver to the Engineer a detailed estimate giving a
complete breakdown of the lump sum contract prices. The submitted breakdown shall be
approved by the Engineer prior to any payment of any lump sum price item.
9. PERMISSION TO HAUL OVER STREETS, RAILROADS AND HIGHWAYS
The Contractor will be required to secure, from the proper authorities, permission or permit
which may be required to haul over streets, highways, railroads or private property, and any
hauling operations of the Contractor shall be subject to the requirements of such permits,
permission, and to all applicable regulations, laws, and ordinances governing hauling and
movement of equipment over streets, railroads, highways and private property. Any costs
or inconvenience caused by obtaining any necessary permits or permission shall be
considered completely covered by the price bid for the items in the proposal.
GENERAL SPECIAL PROVISIONS HAZ-MAT FIRE TRAINING CENTER Page 2 of 4
8"WATER MAIN EXT
10. CONSTRUCTION SCHEDULING
The Engineer shall approve Contractor's work schedule prior to starting. All revisions shall
also be approved. The Engineer may change the schedule to accommodate changing
construction conditions.
The Contractor shall coordinate the work under this contract with contractors performing
work under other contracts which may be performed concurrently.
The Contractor shall be responsible to notify the Police, Fire, Street and Engineering
Departments of the closing and opening of streets.
The Contractor shall commence work within ten(10) days after receipt of the "Notice to
Proceed" and diligently execute the work of the contract to completion.
11. PRE-CONSTRUCTION CONFERENCE
Before any work is started, the Contractor shall arrange with the Engineer to hold a pre-
construction conference to discuss problems and schedules of contracts.
12. UNDERGROUND UTILITIES
It is the responsibility of the Contractor to obtain the location of gas lines, water lines,
electric, telephone, and cable television cables or wires from the various utility companies
and the City electrician before starting any excavation. The Contractor shall be responsible
for any damage to any underground utilities. The Contractor shall expose those utilities
indicated on the plans so that elevations may be determined before beginning construction.
This work shall be considered incidental to other items of work.
If the Contractor believes that additional costs have been incurred due to a utility being
improperly located, the resolution of the additional costs incurred shall be made between
the Contractor and the respective utility company.
13. TRAFFIC SIGNS AND STREET SIGNS
The Contractor shall contact the City of Waterloo Traffic Operations Department to have
any street sign that will be affected by construction removed and replaced when the work
has been completed. There shall be no separate payment for this work and it shall be
considered incidental to the Contract.
14. TRAFFIC CONTROL DURING CONSTRUCTION
The Contractor shall, at his own expense and without further or other order, provide, erect
and maintain, at all times during the progress and suspension of the work and until
completion and final acceptance thereof, suitable and requisite barricades, signs or other
adequate protection, as required by the latest edition of Part VI of the"Manual on Uniform
GENERAL SPECIAL PROVISIONS HAZ-MAT FIRE TRAINING CENTER Page 3 of 4
8"WATER MAIN EXT
Traffic Control Devices" and shall provide,keep and maintain such barricades, signs, etc.,
as may be required or as may be ordered by the Engineer,to ensure the safety of the public
as well as those engaged on the work. All barricading plans shall be reviewed by the
Engineer.
The Contractor shall determine, provide and obtain approval from the City Engineer on all
detour locations for all street closings,barricades and posting prior to construction. These
shall meet requirements of the City Police Traffic Department. The Contractor shall notify
the City Engineer's Office and the Police, Fire and Street Departments when the street is
closed for construction. All barricading shall be in accordance with the latest edition of
Part VI of the "Manual on Uniform Traffic Control Devices." Encapsulated lens sheeting
is not required on this project.
15. GRADES, LINES,LEVELS AND SURVEYS
All necessary grades, lines, levels and surveys shall be established by the Engineer.
The Contractor shall verify all grades, lines, levels and dimensions as sown on the
drawings, and he shall report any errors or inconsistencies in the same to the Engineer
before commencing work.
16. SAFETY OF WORKERS AND PUBLIC
The Contractor shall, at all times, take necessary precautions to protect the life and health
of all persons employed on this project and the public. He shall provide necessary safety
devices and safeguards in accordance with latest and best accident prevention practices.
All such protection shall be furnished to employees without cost.
No direct measurement of payment shall be made for this protection,but shall be
considered incidental to other items of work. The public shall be kept outside of any work
area.
17. WORKING ON SATURDAYS, SUNDAYS AND LEGAL HOLIDAYS
The Contractor shall notify the Engineer in writing forty-eight (48)hours in advance if
work on Saturday is planned. By noon the Friday before the planned Saturday work, the
Contractor shall confirm the Saturday work schedule with the project inspector.
Work on Sunday requires prior approval of the Engineer. The Contractor shall not work
the following days in 2008 due to City holidays: July 4, 2008 and September 1, 2008.
GENERAL SPECIAL PROVISIONS HAZ-MAT FIRE TRAINING CENTER Page 4 of 4
8"WATER MAIN EXT
SPECIAL PROVISIONS
1. WATER MAIN PIPE MATERIALS
Ductile iron pipe, 6"through 20"diameters, is to be centrifugally cast in nominal 18' and
20' laying lengths, to be class 52, and shall be in accordance with the latest revision of
AWWA Specifications C150, C151 and C111.
All pipe is to be bituminous coated outside and cement lined inside, and shall be in
accordance with the latest revision of AWWA Specification C104/A21.4.
All push-on type joint pipe(except mechanically restrained joints) will be similar to
Fastite, Tyton, or approved equal and will be electronically conductive through each joint
with and limited to one of the following methods:
1. The pipe gasket will be conductive tip using a minimum of four copper inserts
integrally situated in the gasket, thereby forming a continuous conductive joint.
2. A copper jumper strip will be connected by silicon bronze bolts to two co-linear
copper strips shop welded to the bell and spigot ends respectively of the pipe, thereby
forming a conductive"bridge" over the joint.
2. GATE VALVES
Valves shall be resilient-sealed valves complete with accessories and shall be
manufactured in accordance with AWWA Specification C515 Latest Revision. Valves 12"
and smaller shall be designed for 200 p.s.i. water working pressure. Valves shall be
mechanical joint and shall have clear water way equal to the full nominal diameter of the
valves. Valves shall open by turning left and provided with 2" square nut with arrow cast
in metal to indicate direction of opening. All valves shall open left - close right. Bolts and
nuts shall be stainless steel on the valve itself and Cor-Blue on joints.
3. VALVE BOXES
Valve boxes to be Tyler cast iron 6860 series, three piece valve box with DD box and#6
base and cast iron lid cast with the word"water" on it, or approved equal.
4. FIRE HYDRANTS
Hydrants shall be manufacturer's latest and best design conforming to latest revision of
AWWA Specification C502 "Standard for Fire Hydrants". Hydrants shall be of the traffic
model type designed to permit easy installation of top extension without shutting off water
to hydrants. Friction loss through hydrants shall not exceed allowable losses per AWWA
Specification C502 and test data shall be included. The bonnet shall be bolted and not
screwed to upper section. The seat rings, stem nut,hold down nut, operating screw and
nozzles must be bronze. Hydrant barrel shall be painted safety blue or matching color;
SPECIAL PROVISIONS HAZ-MAT FIRE TRAINING CENTER 8" WATER MAIN EXTENSION PAGE 1 of 5
bonnet and nozzles shall be safety blue. Hydrants shall have 5 '/"valve opening; 6"
mechanical joint pipe connection with accessories, 6 ft. cover for 6 ft. - 6 in. trench, 2-2 1/2
in. hose nozzles, 1 pumper nozzle 4 %"in N.S.T. open left with 1 1/2 in. pentagon nut.
Contractor shall submit a sheet stating the following:
Percentage quantity of copper
Percentage quantity of lead
Percentage quantity of zinc
Percentage quantity of tin
Manufacturer's number and type of hydrant to be used.
Accepted manufacturer's fire hydrants are as follow:
American-Darling
Mueller A-423
Clow-Eddy Iowa
Watrous Pacer WB67
5. MECHANICALLY COMPACTED BACKFILL
All ditches in street right of way shall be mechanically compacted to ninety-five percent
(95%) of Standard Proctor Density. Payment for this work shall be incidental to the
contract and no separate payment shall be made for compaction of backfill.
6. PAYMENT FOR WATER MAIN
This paragraph shall apply to the unit prices for water main and appurtenances and restrict
full payment of the unit bid price until the project is completed and surface is restored. By
providing a breakdown on the unit price, the intent is to encourage the Contractor to
promptly restore the trenches. The breakdown of the unit price does not give the
Contractor the choice of eliminating a portion of the work under this unit price or delaying
his schedule for reason of obtaining payment based on a certain percentage of his
preference.
Contract Payment as % of
for Water Main Unit Price
A. Trench excavation, including removal 40%
and stockpiling of crushed rock and/
or topsoil from existing street, removal
of surfacing, laying of pipe, dewatering,
pumping, and other appurtenant work..
B. Backfill of trench and compaction with 25%
moisture and density control of pipe
and appurtenances. If such compaction
SPECIAL PROVISIONS HAZ-MAT FIRE TRAINING CENTER 8" WATER MAIN EXTENSION PAGE 2 of 5
with moisture and density control is not
required, 65% of the unit bid price will
be paid when backfill is complete.
C. Shaping of trench area surface ready to natural grade 25%
including relaying of topsoil and all other work as further
described in this paragraph.
When all work is completed and passes all tests;payment shall be made on
100% of the unit bid price for water main.
Removal of existing pipe shall be considered incidental to the construction of new
pipe.
7. TRAFFIC CONTROL
The Engineer, or authorized representative, shall periodically review traffic control that has
been put in place by the Contractor. If traffic control devices are found to be without
proper maintenance,penalties shall be assessed. Improper maintenance shall include,but
not be limited to, the following situations:
A. Less than 100 percent of lights in working order.
B. Any barricade or sign moved or tipped over.
C. Fencing not supported in a vertical position.
D. Fencing not placed around excavations when workers/equipment are not
working at the location.
E. Lack of proper barricades or signage.
Each incident is treated as a separate citation on an individual basis. It is not intended that
minor deficiencies be price adjusted if corrected the day notification is given. In addition
to a price adjustment, the Engineer may suspend work for irresponsible and/or repeated
failure to construct the project using proper traffic control procedures.
Penalties: 1st Offense Written warning given by City.
2nd Offense $ 100
3rd Offense $ 250
4th Offense $ 500
5th Offense $1,000
6th Offense Engineer's discretion(amount
or more equal or greater than $1,000)
8. LIQUIDATED DAMAGES
Time is an essential element of this contract. It is important that the work be diligently
pursued to completion. If the work is not completed within the specified contract period,
plus authorized extensions, the Contractor shall pay to the Waterloo Water Works
Liquidated Damages in the amount of$300.00 per day, for each day, as further described
herein, in excess of the authorized time.
SPECIAL PROVISIONS HAZ-MAT FIRE TRAINING CENTER 8" WATER MAIN EXTENSION PAGE 3 of 5
Days beyond the specified completion date for which Liquidated Damages will be charged
will be working days that the Contractor does, or could have worked from Monday through
Saturday. Sundays will be counted only if work is performed. Partial working days will
be considered as a full working day. Days not chargeable for Liquidated Damages will
include rain days, Sundays if no work is done, and legal holidays.
Working days will cease to be charged when only punch list items remain to be completed.
Punch list items do not include contract bid items or approved change/extra work orders.
When the Contractor believes the project to be substantially completed, a written notice
stating the same shall be submitted to the Engineer and a request made for a Punch List. If
the work under the Contract extends beyond the normal construction season for such work,
the Contractor shall submit to the Engineer in writing a request that working days counted
toward the project be suspended until work is resumed the following construction season.
This amount is not construed as a penalty. These damages are for the cost to the Waterloo
Water Works of providing the required additional inspection, engineering and contract
administration.
9. HAUL ROUTES
Haul routes to and from the project site shall be submitted for review by the Engineer. In
general, the Contractor shall request haul routes over the main streets in the area, staying
on streets within the project as much as possible and should not include truck-embargoed
streets.
10. ARTIFICIAL LIGHTING
No artificial lighting will be allowed during construction of this project.
11. ROCK DRIVEWAYS
Existing rock in existing driveways shall be salvaged for reuse where possible. Drive area
disturbed by excavation work shall be rocked to a depth of six (6") inches. After
placement of existing rock and/or new rock, the drive area shall be compacted as approved
in the field by the Engineer.
12. STANDARD SPECIFICATIONS
The Standard Specifications which are referenced in the contract documents are designated
as follows:
WATERLOO STANDARD SPECIFICATIONS - "Standard Specifications for Municipal
Public Works Construction, City of Waterloo, Iowa."
IDOT STANDARD SPECIFICATIONS - "Standard Specifications for Highway and
Bridge Construction, Iowa Department of Transportation, Ames, Iowa, Series of 2001"
(unless otherwise noted) and current revisions thereof.
SPECIAL PROVISIONS HAZ-MAT FIRE TRAINING CENTER 8" WATER MAIN EXTENSION PAGE 4 of 5
SUDAS - "Iowa Statewide Urban Standard Specifications for Public Improvements"
13. QUANTITY ADJUSTMENTS
All Bid Items are exempted from consideration under the provisions of Section B. "Scope
of Work," Paragraph 7 of the "General Specifications for Construction" concerning the
variance of the "As-Built" quantity of the listed item by more than twenty(20%)percent
from the estimated quantity specified in the contract.
14. PERCENT OF CONTRACT TO BE PERFORMED BY PRIME CONTRACTOR
The Prime Contractor shall be required to perform at least 80 percent of the total contract
amount of this project. Purchasing of materials for subcontractors will not be an
acceptable method for the prime contractor to meet the 80 percent requirement.
15. CLEARING AND GRUBBING
The Contractor or individual performing the clearing and grubbing must be a licensed tree
trimmer with the City of Waterloo. Before receiving a license, the City Clerk shall receive
a Certificate of Insurance in limits of not less than Three Hundred Thousand dollars
($300,000.00) combined single limit to any person and One Hundred Thousand dollars
($100,000.00)property damage. The City and its employees shall be named as additional
insureds. All licensing, insurance and performance requirements shall comply with 1993
Code of Ordinances of the City of Waterloo, Iowa Chapter 35.
16. BEWATERING
The Contractor's attention is directed to the existing surface water and ground water
conditions at the project. Surface water and ground water is present in the work area and
will effect working conditions at the site. The Contractor is required to provide and use all
necessary materials, equipment and labor necessary to complete all portions of the project
as per the plans and specifications at no additional cost attributable to surface and ground
water.
SPECIAL PROVISIONS HAZ-MAT FIRE TRAINING CENTER 8" WATER MAIN EXTENSION PAGE 5 of 5
GENERAL SPECIFICATIONS FOR CONSTRUCTION
CITY OF WATERLOO, IOWA
Department of Engineering
SECTION A-Definitions of Terms
SECTION B - Scope of work
SECTION C - Control of Materials and Work
SECTION D - Procedure and Progress
SECTION E -Measurements and Payments
SECTION F-Legal Relations and Responsibility
SECTION A- DEFINITIONS OF TERMS
1. CITY. The City of Waterloo, Iowa, Waterloo Fire Department.
2. HAZARDOUS MATERIALS TRAINING CENTER. The Party of the First
Part of the accompanying contract, acting through its authorized representative.
3. BOARD OF TRUSTEES OR BOARD OF WATERLOO FIRE
DEPARTMENT. The duly appointed Board of Trustees of the Waterloo Fire Department,
Waterloo, Iowa.
4. ENGINEER. Wayne Claassen Engineering and Surveying, Inc., 2705 University
Avenue, P.O.Box 898, Waterloo, Iowa 50704.
5. COUNCIL. The duly elected Council of the City of Waterloo, Iowa.
6. CITY ENGINEER. The City Engineer of Waterloo, Iowa, or his authorized
representative.
7. INSPECTOR. The authorized representative of the Engineer, assigned to the
detailed inspection of the work or materials therefore and to such other duties as may be delegated
to him in these specifications.
8. CONTRACTOR. The Party of the Second Part in the accompanying contract for
the improvement covered by these specifications, or his authorized representative.
9. SUBCONTRACTOR. Any person, firm, or corporation who has,with the
approval of the Board, contracted with the Contractor to execute and perform in his stead all or
any part of the contract.
10. BIDDER. Any individual, firm, or corporation submitting a proposal for all or a
part of the work provided for in these specifications.
GENERAL SPECS HAZ-MAT FIRE TRAINING CENTER 8"WATER MAIN EXTENSION Page 1 of 16
11. PROPOSAL GUARANTEE. The security designed in the Notice of Bidders or
Proposal to be furnished by the bidder as a guarantee of good faith to enter into a contract and
furnish an acceptable bond for the work contemplated if it be awarded him.
12. SURETY. The corporate body bound with and for the Contractor for the
acceptable performance of the contract.
13. PROPOSAL. The written Proposal, submitted by the bidder in the prescribed
manner and on the standard form, for the improvements covered by these specifications.
14. SPECIFICATIONS. The documents that set forth the manner in which the
proposed work is to be accomplished which have been prepared by the Engineer and approved by
the Board, official copies of which are now on file with the General Manager of the Waterloo Fire
Department.
15. SPECIAL PROVISIONS. Clauses or memoranda not contained herein, applying
to the contract of which these specifications are a part, which change or supplement these
specifications.
16. CONTRACT. The agreement entered into between the Waterloo Fire Department
and the Contractor, setting forth the terms under which the work covered by the plans and
specifications is to be performed. The contract includes all conditions, definitions, and
instructions set forth in the official publications relating to the work, the official contract and
specifications, the Proposal, official plans, and all supplemental agreements entered into by the
parties to the contract.
17. NOTICE TO BIDDERS. The notice called attention of bidders to the time and
place for receiving bids, containing a brief description of the work, and briefly setting forth the
requirements and conditions for submission of Proposals.
18. INSTRUCTIONS TO BIDDERS. The clauses setting forth in detail the
information relative to the proposed work and requirements for the submission of Proposals.
19. PLANS. The plans for the improvement covered by the specifications and
approved by the Board, official copies of which are on file with the General Manager of the
Waterloo Fire Department.
20. CONTRACT BOND. The bond executed by the Contractor and his surety in
favor of the Waterloo Fire Department,Waterloo, Iowa, guaranteeing the complete execution of
the contract in accordance with the plans and specifications, the payment of all debts pertaining to
the work, and maintenance of the work as provided by law or by the specifications.
21. CONTRACT PERIOD. The period from the specified date for beginning the
work to the specified date of completion,both dates inclusive. The contract period may be
extended by the Board, as provided in these specifications, in which event the contract period
includes the new date of completion.
GENERAL SPECS HAZ-MAT FIRE TRAINING CENTER 8"WATER MAIN EXTENSION Page 2 of 16
22. OFFICIAL PUBLICATIONS. The official publications are the formal
resolutions and notices relative to the proposed improvement that are required by law to be
published in a prescribed manner and that have actually been published in accordance with the
statutes relating thereto. Attention is directed to the fact that these official publications are by
statute vested with all of the force and effect of contract obligations.
23. A.S.T.M. Abbreviation for American Society for Testing Materials.
24. A.W.W.A. Abbreviation for American Water Works Association.
25. WORK. The term "Work" of the Contractor and Subcontractor includes labor or
materials or both, equipment, transportation, or other facilities necessary to complete the contract.
26. TIME. All time limits stated in the contract documents are of the essence in the
contract.
SECTION B- SCOPE OF WORK
1. CORRELATION AND INTENT OF DOCUMENTS. The Contract documents
are complementary, and what is called for by any one shall be as binding as if called for by all.
The intention of the documents is to include all labor, materials, equipment, and transportation
necessary for the proper execution of the work. Materials or work described in words which, so
applied,have a well-known technical or trade meaning shall be held to refer to such recognized
standard.
2. DRAWINGS AND SPECIFICATIONS. Unless otherwise provided in the
contract documents, the engineer shall furnish to the Contractor, free of charge, all copies of
drawings and specifications reasonably necessary for the execution of the work.
The Contractor shall keep one (1) copy of all drawings and specifications on the work
available to the Engineer and to his representatives.
3. CONTRACTOR'S UNDERSTANDING. It is understood and agreed that the
Contractor has,by careful examination, satisfied himself as to the nature, character and location of
the work, the conformance to the ground, the character, quality, and quantity of the materials to be
encountered, the character of the equipment and facilities needed preliminary to and during the
prosecution of the work, the general and local conditions, and all other matters which can, in any
way, affect the work under this contract. No verbal agreement or conversation with any officer,
agent, or employee of the Waterloo Fire Department, either before or after the execution of the
Contract, shall affect or modify any of the terms or obligations herein contained.
4. REPORTING ERRORS AND DISCREPANCIES. If the Contractor, in the
course of the work, finds any discrepancies between the plans and the physical conditions of the
locality, or any errors of omission in plans or in the layout as given by said stakes and instructions,
it shall be his duty to inform the Engineer immediately, in writing, and the Engineer shall
promptly correct the same.
5. ALTERATION OR CORRECTION OF PLANS. The plans are made up from
surveys that are presumably correct and represent the foreseen construction requirements. Any
GENERAL SPECS HAZ-MAT FIRE TRAINING CENTER 8"WATER MAIN EXTENSION Page 3 of 16
modification of the plans which may be required by the exigencies of the construction or any
corrections made necessary because of errors in the original surveys, will be made by the
Engineer. Should corrections or modifications of the plans or specifications require a different
quality or class of work than that upon which the unit prices in the Proposal are based, or if the
modifications or corrections are required in parts of the work partially completed and such
modifications result in an increased cost to the Contractor, the amount to be paid for work
resulting from such changes shall be agreed upon in writing at the time the changes are ordered
and before the work is begun by the Contractor. No allowance will be made for anticipated profits
on work not performed.
6. CHANGES IN THE WORK. The Waterloo Fire Department, without
invalidating the contract, may order extra work or make changes by altering, adding to, or
deducting from the work, the contract sum being adjusted by agreement or arbitration before such
changed work is undertaken. All such work shall be executed under the conditions of the original
contract, except that any claim for extension of time caused thereby shall be adjusted at the time of
ordering such change.
7. INCREASED OR DECREASED QUANTITIES. The right is reserved without
impairing the contract, to order the performance of such work of a class not contemplated in the
Proposal or to increase or decrease the quantities as may be considered necessary to complete fully
and satisfactorily the work included in the contract. However, when the work is completed
without change in the plans, and the measured quantity of any item of work varies by more than
twenty percent(20%) from the estimated quantity specified in the contract, an adjustment in price
maybe made for such item of work by agreement between the Engineer and the Contractor,
subject to the approval of the Board. Either party to the contract may request such an adjustment.
8. LANDS AND RIGHT OF WAY. The Waterloo Fire Department shall provide
the lands upon which the work under this contract is to be done, except that the Contractor shall
provide land required for the erection of temporary construction facilities and storage of his
material,together with the right of access to same.
9. CITY WATER. The Contractor shall be allowed to use City Water but before any
water is used,he shall make application to the Waterloo Fire Department, who will supply the
Contractor's representative with suitable hydrant wrenches when the use of hydrants is necessary.
The Contractor shall designate one of his employees who shall be responsible for operating the
hydrants used by the Contractor. The employee so designated shall be under the direct
supervision of the Engineer, and no other employee may operate any hydrant or valve without the
written permission of the Engineer.
10. RIGHTS OF VARIOUS INTERESTS. Whenever work being done by the
Waterloo Water Work's forces or by other Contractors is contiguous to work covered by this
contract, the respective rights of the various interests involved shall be established by the Engineer
to secure the completion of the various portions of the work in general harmony.
11. CLOSING STREETS TO TRAFFIC. The Engineer shall be the judge of how
many streets or parts of streets it is necessary for the Contractor to close at any time and may
refuse to permit the closing of additional streets until such of the work is finished and opened to
traffic as he may direct.
GENERAL SPECS HAZ-MAT FIRE TRAINING CENTER 8"WATER MAIN EXTENSION Page 4 of 16
12. OBSTRUCTION OF STREETS. The work is to be carried on in such manner as
to obstruct the streets, highways, and alleys as little as possible. The Contractor shall carry on the
different parts of the work so as to complete the whole, as nearly as practicable, at the same time.
In doing the work,the Contractor shall follow the directions of the Engineer as to the place or
places where work shall be started or be carried on and the direction in which it shall be done.
13. SHANTIES AND BUILDINGS. Shanties or other buildings shall not be erected
in or upon any street, highway, or alley without permission of the Engineer. If such permission be
granted, it may be upon any reasonable terms prescribed by the person or body granting such
permission.
14. SANITARY CONVENIENCES. The Contractor shall furnish the necessary
sanitary conveniences, properly secluded, for the laborers on the work, and these shall be
maintained in a manner that will be inoffensive to the public.
15. CLEANING UP. The Contractor shall, as directed by the Engineer, remove from
the City's property and from all public and private property, at his own expense, all temporary
structures, rubbish, and waste materials resulting from his operations before work can be
considered completed. The Contractor shall also renew or replace any and all fences, sidewalks,
or other property damaged or disturbed by his work.
16. OMISSION OF PARTS OF GENERAL SPECIFICATIONS. Parts of the
General Specifications deemed not to apply to some particular work may be omitted by special
reference in other parts of the contract documents.
SECTION C - CONTROL OF MATERIALS AND WORK
1. SUPERVISION AND INSPECTION. The Engineer shall have supervision of the
construction provided for in this Contract and shall decide any and all questions which may arise
as to the quality and acceptability of materials furnished, work performed, manner of performance,
rate of progress on the work, and all questions regarding the acceptable fulfillment of the terms of
the Contract. Materials and construction work shall, at all times,be subject to the inspection of
the Engineer or his representatives. The Contractor shall be held strictly to the true intent of these
specifications as regards the quality of materials, workmanship, and the diligent prosecution of the
work.
Neither the Waterloo Fire Depaitaient, the City, nor the Engineer is responsible for the
safety of the Contractor's employees, subcontractors or subcontractor's employees. The
Contractor, alone, shall be responsible for the safety, efficiency and adequacy for his/her safety
and that of his/her employees and for any damages which may result from the failure of their
improper construction appliances, methods,means, maintenance or operation.
The Engineer and his representatives shall, at all times,have access to the work wherever it
is in preparation of progress, and the Contractor shall provide proper facilities for such access and
for inspection.
If the specifications, the Engineer's instructions, law ordinances, or any public authority
require any work and/or materials to be especially tested or approved, the Contractor shall give the
Engineer timely notice of readiness for inspection. If the inspection is to be made by authority
GENERAL SPECS HAZ-MAT FIRE TRAINING CENTER 8"WATER MAIN EXTENSION Page 5 of 16
other than the Engineer, the Contractor shall notify the engineer of the date fixed for inspection.
Inspections by the Engineer will be promptly made and, where practicable, at the source of supply.
If any work should be covered up without the approval or consent of the Engineer, it must, if
required by the Engineer, be uncovered for examination at the Contractor's expense.
Re-examination of questioned work may be ordered by the Engineer, and, if so ordered,
the work must be uncovered by the Contractor. If such work be found in accordance with the
Contract, the Waterloo Fire Department shall pay the cost of re-examination and replacement. If
such work be found not in accordance with the Contract, the Contractor shall pay such cost unless
he shall show that the defect in the work was caused by another Contractor, and, in that event, the
Waterloo Fire Department shall pay the cost.
2. AUTHORITIES AND DUTIES OF INSPECTORS. Inspectors may be
stationed on the work to report to the Engineer as to the progress of the work and the manner in
which it is being performed; also, to report whenever it appears that materials furnished and work
performed by the Contractor fail to fulfill the requirements of the specifications and Contract, and
to direct the attention of the Contractor to such failure or infringement;but such inspection shall
not relieve the Contractor from any obligations to furnish acceptable materials or to provide
completed construction that is satisfactory in every particular.
In case of any dispute arising between the Inspector and the Contractor as to materials
furnished or the manner of performing the work, the Inspector shall have the authority to reject
materials or suspend the work until the question at issue can be referred to and decided by the
Engineer. Inspectors are not authorized to revoke, alter, enlarge,relax, or release any
requirements of these specifications. The Inspector shall, in no case, act as foreman or perform
other duties for the Contractor, or interfere with the management of the work by the latter.
3. STATUS OF THE ENGINEER. The Engineer shall have general supervision
and direction of the work, except that this shall not include the safety of the Contractor's
employees or the safety of the Contractor's subcontractor's employees or the public, which
responsibility is solely the Contractor's. He has authority to stop the work whenever such
stoppage may be necessary to insure the proper execution of the Contract. He shall also have
authority to reject any work and/or materials which do not conform to the specifications,to direct
the application of forces to any portion of the work as, in his judgment, is required, and to order
the force increased or diminished, and to decide questions which arise in the execution of the
work.
4. ENGINEER'S DECISIONS. The Engineer shall,within a reasonable time,make
decisions on all claims of the Contractor and on all other matters relating to the execution and
progress of the work or the interpretation of the contract documents.
All such decisions of the Engineer shall be final except as to the element of time and
financial consideration involved, which, if no agreement in regard thereto is reached, shall be
subject to arbitration.
5. STAKES AND INSTRUCTIONS. The Contractor shall provide reasonable and
necessary opportunities and facilities for setting stakes and making measurements. The Contractor
shall not furnish stakes or men to set them. He shall not proceed until he has received from the
Engineer such stakes and instructions as may be necessary to the progress of the work.
GENERAL SPECS HAZ-MAT FIRE TRAINING CENTER 8"WATER MAIN EXTENSION Page 6 of 16
The Contractor shall carefully preserve bench marks, reference points, and stakes, and in
case of willful or careless destruction,he shall be charged with the resulting extra expense and
shall be responsible for any mistakes that may be caused,by their loss or disturbance.
6. SUPERINTENDENCE. The Contractor shall keep on his work during its
progress a competent superintendent and any necessary assistants, all satisfactory to the Engineer.
The Superintendent shall not be changed except with the consent of the Engineer, unless the
Superintendent proves to be unsatisfactory to the Contractor and ceases to be in his employ. The
Superintendent shall represent the Contractor in his absence, and all directions given to him shall
be as binding as if given to the Contractor. Important decisions shall be confirmed in writing to
the Contractor. Other directions shall be so confirmed on written request in each case.
The Contractor shall give efficient supervision to the work using his best skill and
attention. He shall carefully study and compare all drawings, specifications, and other
instructions, and shall report at once to the Engineer any error, inconsistency, or omission which
he may discover.
7. REMOVAL OF UNAUTHORIZED WORK. Work done without lines and
grade being give, work done beyond lines shown on the plans or as given, except as herein
provided, or any extra or additional work done without authority, will be considered as
unauthorized and at the expense of the Contractor and will not be paid for under the provisions of
the Contract. Work so done may be ordered removed and replaced at the Contractor's expense.
8. REMOVAL OF DEFECTIVE MATERIALS OR WORK. The Contractor shall
promptly remove from the premises all materials condemned by the engineer as failing to conform
to the Contract; whether incorporated in the work or not, and the Contractor shall promptly replace
and re-execute his own work in accordance with the contract and without expense to the Waterloo
Fire Depaitiuent, and shall bear the expense of making good all work of other Contractors
destroyed or damaged by such removal or replacement.
If the Contractor does not remove such condemned work and materials within a reasonable
time, fixed by written notice, the Waterloo Fire Department may remove them and may store the
material at the expense of the Contractor. If the Contractor does not pay the expense of such
removal within a reasonable time thereafter, the Waterloo Fire Depai tinent may, upon ten(10)
days' written notice, sell such materials at auction or at private sale and shall account for the net
proceeds thereof, after deducting all the costs and expense that should have been borne by the
Contractor; or, if the net proceeds of such sale are insufficient to pay the expenses of removal, the
Waterloo Fire Department may deduct the balance from any amounts due the Contractor.
9. MATERIALS, EQUIPMENT,APPLIANCES,AND FACILITIES. Unless
otherwise stipulated, the Contractor shall provide and pay for all materials, labor, water, tools,
equipment, light,power, transportation, and other facilities necessary for the execution and
completion of the work. Materials shall be of the quality specified for each particular part of the
work.
Whenever, in construction of the work or in the manufacture of any article of appliance
necessary for the construction or operation of the work, it is necessary to use any material that is
GENERAL SPECS HAZ-MAT FIRE TRAINING CENTER 8"WATER MAIN EXTENSION Page 7 of 16
not fully specified in these specifications, it shall be of good quality and shall meet with the
approval of the Engineer.
Any appliance that is necessary for the construction or operation of the work and is
commonly recognized as a part of the work, shall be furnished by the Contractor as part of the
work, whether or not it is specifically called for in the plans and specifications, and such appliance
shall be of good quality and standard make and shall meet with the approval of the Engineer.
10. MATERIAL SAMPLES. Before the contract is awarded,the bidder may be
required to furnish a statement of the origin, composition, and manufacture of any and all
materials proposed for use in the performance of the Contract, together with samples of the
material. These samples will be considered as representative and typical of the material to be
obtained from any particular source.
11. CHARACTER OF WORKMEN AND EQUIPMENT. The Contractor shall
employ competent and efficient workmen for every kind of work. Any person employed on the
work who shall refuse or neglect to obey the directions of the engineer or Inspector, or who shall
be deemed incompetent or disorderly, or who shall commit trespass upon public or private
property in the vicinity of the work, shall be dismissed when the Engineer so orders, and shall not
be re-employed unless express permission be given by the Engineer. The Contractor shall, at all
times, enforce discipline and good order among his employees.
The methods, equipment, and appliances used on the work, and the labor employed, shall
be such as will produce a satisfactory quality of work and shall be adequate to complete the
contract within the specified time limit.
12. HIRING WATERLOO FIRE DEPARTMENT EMPLOYEES. The Contractor
shall not employ and hire any of the Waterloo Water Work's employees without the permission of
the Waterloo Fire Department.
13. LABOR. Local labor shall be given preferences so far as practicable.
14. THE WATERLOO WATER WORK'S RIGHT TO DO WORK. If the
Contractor should neglect to prosecute the work properly or fail to perform any provision of this
Contract, the Waterloo Fire Department, after three(3) days' written notice to the Contractor may,
without prejudice to any other remedy he may have,make good such deficiencies and may deduct the
cost thereof from the payment then or thereafter due the Contractor,provided, however, that the
Engineer shall approve both such action and the amount charged to the Contractor.
SECTION D - PROCEDURE AND PROGRESS
1. ORDER OF COMPLETION-USE OF COMPLETED PORTIONS. The
Contractor shall complete any portion or portions of the work in such order or time as the
Engineer may require. The Waterloo Fire Department shall have the right to take possession of an
use completed or partially completed portion of the work at any time,but such taking possession
and use shall not be deemed an acceptance of work so taken or used, or any part thereof. If such
prior use increases the cost of or delays the work, the Contractor shall be entitled to such extra
compensation or extension of time, or both, as the Engineer may determine.
GENERAL SPECS HAZ-MAT FIRE TRAINING CENTER 8"WATER MAIN EXTENSION Page 8 of 16
• 2. WEATHER. During stormy or inclement weather, all work shall be suspended,
except such as can be done in an acceptable manner. Permission to work during freezing, stormy,
or inclement weather shall in no way be construed as a release of the Contractor's responsibility
regarding the quality of the finished work at such time.
3. SUNDAYS AND LEGAL HOLIDAYS. Except for such work as may be
required to properly maintain or protect completed or partially completed construction or to
maintain lights and barricades,no work will be permitted on Sundays or legal holidays without
specific permission of the Engineer.
4. DELAYS AND EXTENSION OF TIME. If the Contractor be delayed in the
completion of the work by an act of neglect of the Waterloo Fire Department, or its employees; or
by any other Contractor employed by the Waterloo Fire Department; or by changes ordered in the
work; or by strikes,lockouts, fire, unusual delays in transportation, unavoidable casualties, or any
cause beyond the Contractor's control; or by delay authorized by the Engineer pending arbitration;
or by any cause which the Engineer shall decide justifies the delay, then the time of completion
shall be extended for such reasonable time as the Engineer may decide will compensate for such
delay.
No such extension shall be made for delay occurring more than thirty(30) days before
claim therefore is made in writing to the Engineer. In the case of a continuing cause of delay, only
one claim is necessary.
This article does not exclude the recovery of damages for delay by either party under
provisions in the contract documents.
5. TEMPORARY SUSPENSION OF WORK. The Engineer shall have authority to
suspend the work, wholly or in part, for such period or periods of time as he may deem necessary,
due to unsuitable weather or such other conditions as are considered unfavorable for the suitable
prosecution of the work, or for such time as is necessary due to the failure to the Contractor to
carry out orders given or to perform any or all provisions of the Contract.
6. NOTICES - HOW SERVED. Any notice to be given by the Waterloo Fire
Depaitiiient to the Contractor under this contract shall be deemed to be served if the same be
delivered to the man in charge of any office used by the Contractor or his foreman or agent at or
near the work, or deposited in the post office,postpaid, addressed to the Contractor at his last
known place of business.
7. PROGRESS OF WORK. The progress of the work shall be such that, at the
expiration of one-fourth(1/4) of the contract period, one-eighth(1/8) of the work shall be
completed; at the expiration of one-half(1/2) of the contract period, three-eighths (3/8) of the
work shall be completed; at the expiration of three-fourths (3/4) of the contract period, the work
shall be three-fourths (3/4) completed, and the whole work shall be completed at the expiration of
the contract period.
If, at any time the above schedule is not being maintained, the Board may give written
notice to the Contractor and his sureties that the specifications are not being complied with. Such
notice shall state what action on the part of the Contractor is required to bring the work within the
requirements of the specifications. If the Contractor fails, within ten (10) days, to proceed as
GENERAL SPECS HAZ-MAT FIRE TRAINING CENTER 8"WATER MAIN EXTENSION Page 9 of 16
directed in the said notice, then the Council shall have authority to annul this contract without
process or action at law and take over the prosecution and completion of the work, as provided
under the article covering Waterloo Water Work's right to terminate contract.
8. RIGHT TO TERMINATE CONTRACT. If the Contractor should be adjudged a
bankrupt; or if he should make a general assignment for the benefit of this creditor; or if a
Receiver should be appointed on account of his insolvency; or if he should persistently or
repeatedly refuse or should fail, except in cases for which extension of time is provided, to supply
enough skilled workmen or proper materials; or if he should fail to make prompt payment to
Subcontractors or for materials or labor; or if he should persistently disregard laws, ordinances, or
the instructions of the Engineer; or if he should otherwise be guilty of a substantial violation of
any provision of the contract, then the Waterloo Fire Department,upon the certificate of the
Engineer that sufficient cause exists to justify such action, may, without prejudice to any other
rights or remedy, and after giving the Contractor seven(7) days' written notice, terminate the
employment of the Contractor and take possession of the premises and of all materials, tools and
appliances thereon and finish the work by whatever method he may deem expedient. In such
cases, the Contractor shall not be entitled to receive any further payment until the work is finished.
If the unpaid balance of the contract price shall exceed the expenses of finishing the work,
including compensation for additional managerial and administration services, such excess shall
be paid to the Contractor. If such expense shall exceed such unpaid balance, the Contractor shall
pay the difference to the Waterloo Fire Department. The expense incurred by the Waterloo Fire
Department as herein provided and the damage incurred through the Contractor's default shall be
certified by the Engineer.
9. REMOVAL OF EQUIPMENT. In the case of annulment of this contract before
completion, from any cause whatsoever, the Contractor, if notified to do so by the Waterloo Fire
Department; shall promptly remove any part or all of his equipment and supplies from the
property of the Waterloo Fire Depai lijient, failing which, the Waterloo Fire Department shall have
the right to remove such equipment and supplies at the expense of the Contractor.
SECTION E -MEASUREMENTS AND PAYMENT
1. STANDARD OF MEASUREMENT. All work completed under the contract
shall be measured by the Engineer according to the United States standard measures.
2. SCOPE OF PAYMENTS. The Engineer's measurements of quantities shall be
the basis for final payment for the work performed under this Contract. After the work is
completed, the Engineer will make measurements and computations of the number of units of each
of the various items of work completed, and the Contractor will be paid for the actual amount of
work performed at the rates specified in his Proposal. Before final settlement is made, the Board
may require the Contractor to submit a list of all persons furnishing labor or materials,with
evidence that such persons have been paid in full. Payment shall be made in the manner set forth
in official publications and Board Proceedings relative thereto.
3. PAYMENT FOR EXTRA WORK. Such extra work as may have been ordered
by the Engineer and performed by the Contractor shall be compensated for as provided herein. If
work is to be done or materials are to be furnished by the Contractor which cannot properly be
classified under unit prices included in the Proposal, the Contractor shall be paid therefore the
GENERAL SPECS HAZ-MAT FIRE TRAINING CENTER 8"WATER MAIN EXTENSION Page 10 of 16
actual reasonable cost of the labor and materials entering permanently in such work,plus fifteen
percent(15%) of the cost thereof. In computing the labor cost on such extra work,the following
items shall be included:
(a) Actual payroll expenditures for labor at the current rate therefore, and cost of
materials.
(b) Pay of foreman and timekeepers for actual time required on the extra work.
(c) Liability insurance, prorated, for the extra work.
Labor cost items on extra work shall be furnished in duplicate by the Contractor to the
Inspector daily. The Inspector shall check the items, and if he finds them to be correct, he shall so
certify on the statement of cost, returning one copy to the Contractor and filing one copy with the
Engineer.
The Engineer shall determine the cost of materials entering into extra work from the
materials and receipted freight bills for the same.
For any special machine, power tools, or equipment, including fuel and lubricants,but not
including small hand tools, which may be deemed necessary or desirable to use, the Contractor
shall be allowed a reasonable rental thereon, to be agreed upon in writing by the Engineer before
such work is begun, and to which sum no percentage is to be added.
The item of cost shall not include repairs or replacement of equipment or overhead
expenses of any character. The fifteen percent (15%) allowed is considered to cover the use of
hand tools and all overhead expenses except liability insurance.
In no case will a claim for extra compensation be allowed unless the work upon which the
claim is based has been ordered in writing, except as provided hereinafter.
4. CLAIMS FOR EXTRA COST. If the Contractor claims that any instructions,by
drawings or otherwise, involved extra cost under this contract, he shall give the Engineer written
notice thereof within ten(10) days after completion of the work.
No such claim shall be valid unless so made.
5. CLAIMS FOR EXTRA COMPENSATION. If the Contractor deems that extra
compensation is due him for work and/or materials that he considered is not clearly covered in the
items for which he submitted unit prices in his bid and that were not ordered in writing by the
Engineer as an extra s heretofore provided, the Contractor shall notify the Engineer, in writing, of
his intention to make claim for extra compensation for work and/or material before starting
construction. If such written notification is not given or the Engineer is not afforded proper
facilities by the Contractor for keeping strict account of actual cost as defined herein, then the
Contractor hereby agrees to waive the claim for extra compensation. Such notice to the engineer
and the fact that the Engineer has kept account of cost as aforesaid, shall not in any way be
construed as proving the validity of the claim, which must be passed upon by the Waterloo Fire
Department. In the event that the Waterloo Fire Department finds the claim to be just, it shall be
allowed and paid for as extra work as provided herein.
GENERAL SPECS HAZ-MAT FIRE TRAINING CENTER 8"WATER MAIN EXTENSION Page 11 of 16
6. COMPLETION REPORT AND OBJECTIONS THERETO. Within ten (10)
days after the full completion of the work to be done under this contract, the Engineer shall make a
written statement of all the work done by the Contractor hereunder, stating the quantity of each
item as found by him and including a statement of all credits for extra work and all credits or
debits for changes, alterations, omissions, and defects, and shall forthwith deliver a copy of such
statement to the Contractor. The Contractor shall compare such statement with his own records
and shall then, in writing, either approve such statement or point out any claimed errors or
omissions. If any of such claims are found correct, the Engineer shall, within ten(10) days,
prepare a new statement, a copy of which shall in like manner be delivered unto the Contractor.
The Engineer will not file a formal completion report with the Waterloo Fire Department until the
Contractor has approved the same.
If the figures of the Engineer and the Contractor cannot be reconciled, or there is a
difference of opinion regarding some item or items, then such difference of opinion shall be
submitted to arbitration as hereinafter provided, and the decision of the arbitrator or arbitrators
shall be final, and the Engineer shall, within a period of five(5) days, file his completion report.
Before action by the Board upon such completion report, the Contractor shall also file a
written statement of any claims he may have against the Waterloo Fire Department, other than
those shown by such completion report, growing out of this contract or the work done hereunder.
The Waterloo Fire Department shall retain ten percent (10%) of the amount due the Contractor on
the completion report for a period of thirty(30) days. If no claims are filed against the Contractor
within thirty(30) days, the final ten percent (10%) shall then be paid to the Contractor.
7. WAIVER. By the execution of this contract,the Contractor agrees that any
objections he may have to the statement of the amount of work done hereunder included by the
Engineer in this completion report, and any claims of the Contractor against the Waterloo Fire
Department growing out of this contract and the work done hereunder which are not stated in
writing in the manner and within the time provided in Article 6, Section E hereof, shall be waived,
and no such claim shall thereafter be asserted against the Waterloo Fire Department.
SECTION F- LEGAL RELATIONS AND RESPONSIBILITIES
1. LAWS RELATING TO WORK. The Contractor is presumed to be familiar with
all laws, ordinances, and regulations which may, in any manner, affect those engaged or employed
upon the work or the materials or equipment used in or upon the work, and shall conduct the work
so as not to conflict with such laws, ordinances, and regulations.
2. PROTECTION OF WORK AND PROPERTY. The Contractor for any part of
the improvement shall be held responsible for the care of materials and of partially completed and
completed work until final acceptance of the same by the Board. He will be required to make
good at his own expense any damage which the work may sustain from any cause prior to the
filing of the engineer's certificate of completion. He shall take all risk from floods and casualties
of every description and make no charge for delay due to such cause. He may,however,be
allowed a reasonable extension of time on account of such delays. He shall correct or make good
at his own expense all damages to adjacent property due to the acts or negligence of his employees
of the prosecution of his work, and save the Waterloo Fire Department harmless therefore.
GENERAL SPECS HAZ-MAT FIRE TRAINING CENTER 8"WATER MAIN EXTENSION Page 12 of 16
The Contractor shall be held liable and responsible for all damages done to water, sewer,
drain, or other underground pipes and structures, and to sidewalks and private property.
3. RESPONSIBILITY FOR ACCIDENTS. The Contractor shall assume full •
responsibility for all damages sustained by persons or property due to the carrying on of his work
until final acceptance thereof, or until released by the Engineer in writing.
4. LIABILITY INSURANCE. The Contractor shall carry liability insurance which
shall save the Waterloo Fire Department and the Engineer harmless and protect the public and any
person from injury sustained by the reason of the prosecution of the work or the handling or
storing of materials therefore, and said Contractor shall also carry liability insurance which shall
meet the requirements of the Iowa Worker's Compensation Law.
Before work shall be started on this contract,the Contractor shall furnish the General
Manager of the Waterloo Fire Department with proper affidavit or Affidavits executed by
representatives of duly qualified insurance companies, evidencing that said insurance company or
companies have issued liability insurance policies, effective during the life of the contract, or for a
period of a least ten(10) days following the filing of written notice of cancellation, protecting the
public and any person from injuries or damages sustained by reason of carrying on the work
involved in the Contract. The affidavit shall specifically evidence the following forms of
insurance protection:
(a) Public liability insurance covering all operations performed by persons directly
employed by the Contractor.
(b) Public liability insurance covering all operations performed by any Subcontractor
to whom a portion of the work may have been assigned.
(c) Public liability insurance covering all work upon the project performed by any
independent Contractor working under the direction of either the principal
Contractor or a Subcontractor.
(d) Motor vehicle bodily injury liability insurance and property damage liability
insurance on all motor vehicles employed on the work, whether owned by the
Contractor or by other persons, firms, or corporations.
(e) The minimum protection shall be as follows:
Comprehensive General Liability Insurance
General Aggregate Limit $ 2,000,000.00
Products—Completed Operations
Aggregate Limit $ 2,000,000.00
Each Occurrence Limit $ 2,000,000.00
Comprehensive Automobile Liability
Insurance $ 1,000,000.00
GENERAL SPECS HAZ-MAT FIRE TRAINING CENTER 8"WATER MAIN EXTENSION Page 13 of 16
The Contractor shall have the Waterloo Fire Department, the Engineer, and the City of
Waterloo, Iowa, named as an "Additional Named Insured". A certificate, or a policy if requested,
shall be filed with the Owner.
All certificates and/or policies of insurance furnished by the Contractor to be filed with the
General Manager of the Waterloo Fire Depai tiiient shall include the name and address of the
agency issuing the same. It shall also be required that the said General Manager be notified by
registered mail of the cancellation or expiration of the above insurance.
5. BARRICADES AND SIGNS. The Contractor shall, at his own expense and
without further or other order,provide, erect, and maintain, at all times during the progress and
suspension of the work and until completion and final acceptance thereof, suitable and requisite
barricades, signs, or other adequate protection, as required by the latest edition of the "Iowa
Manual on Uniform Traffic Control Devices for Streets and Highways" and shall provide, keep,
and maintain such barricades, signs, etc., as may be required or as may be ordered by the
Engineer, to insure the safety of the public as well as those engaged on the work. All barricading
plans shall be approved by the Engineer.
6. ROYALTIES AND PATENTS. The Contractor shall pay all royalties and license
fees. He shall defend all suits or claims for infringement of any patent rights and shall save the
Waterloo Fire Department harmless from loss on account thereof, except that the Waterloo Fire
Department shall be responsible for all such loss when a particular process or the product of a
particular manufacturer is specified.
7. PERMITS AND REGULATIONS. Permits and licenses of a temporary nature
for the prosecution of the work shall be secured and paid for by the Contractor. Permits, license,
and easements for permanent changes in existing facilities shall be secured and paid for by the
Waterloo Fire Department.
8. CLAIMS FOR DAMAGES. Any claim for damages arising under this Contract
shall be made in writing to the party liable within a reasonable time of the first observance of such
damage and no later than the time of final payment, except as expressly stipulated otherwise in the
case of faulty work or materials, and shall be adjusted by agreement or arbitration.
The Contractor shall be held for the payment of all just claims against him arising out of
the prosecution of this contract, and his bond will not be released until such claims are paid for
dismissed.
9. ASSIGNMENT OF CONTRACT. The Contractor shall not sell or assign the
contract or sublet any portion of the work provided for therein without the written consent of the
Board.
10. SUBCONTRACTORS. The Contractor shall, as soon as practicable after the
signature of the contract, notify the Engineer in writing of the names of the Subcontractors
proposed for the work and shall not employ any that the Engineer may, within a reasonable time,
object to as incompetent or unfit.
GENERAL SPECS HAZ-MAT FIRE TRAINING CENTER 8"WATER MAIN EXTENSION Page 14 of 16
} The Contractor agrees that he is as fully responsible to the Waterloo Fire Department for
the acts and omission of his Subcontractors and of persons either directly or indirectly employed
by them as he is for the acts and omissions of persons directly employed by him.
Nothing contained in the contract documents shall create any contractual relation between
any Subcontractor and the Waterloo Fire Depai liiient.
11. ARBITRATION. All questions subject to arbitration under this Contract shall be
submitted to arbitration at the choice of either party to the dispute.
The Contractor shall not cause a delay of the work during any arbitration proceedings,
except by agreement with the Engineer.
The demand for arbitration shall be filed in writing with the Engineer, in the case of an
appeal from his decision, within ten(10) days of its receipt, and in any other case, within a
reasonable time after cause thereof, and in no case later than the time of final payment, except as
otherwise expressly stipulated in the contract. If the Engineer fails to make a decision within a
reasonable time, an appeal to arbitration may be taken as if his decision had been rendered against
the part appealing.
No one shall be nominated or act as an arbitrator who is in any way financially interested
in the contract or in the business affairs of either the Waterloo Fire Department or the Contractor.
The general procedure shall conform to the laws of the State of Iowa. Unless otherwise
provided by such laws, the parties may agree upon one arbitrator; otherwise, there shall be three--
one named in writing by each party to this contract to the other party, and the third chosen by these
two arbitrators, or, if they fail to select a third within ten(10) days, then he shall be chosen by the
Comptroller of the State of Iowa. Should either party refuse or neglect to supply the arbitrators
with any papers or information demanded in writing, the arbitrators are empowered by both parties
to proceed ex parte.
If there be one arbitrator, his decision shall be binding; if three, the decision of any two
shall be binding. Such decision shall be a condition precedent to any right of legal action, and,
wherever permitted by law, it may be filed in Court to carry it into effect.
The arbitrators, if they deem that the case demands it, are authorized to award to the party
whose contention is sustained such sums as they shall deem proper for the time, expense, and
trouble incident to the appeal, and, if the appeal was taken without reasonable cause, damages for
delay,the arbitrators shall fix their own compensation unless otherwise provided by agreement,
and shall assess the costs and charges of the arbitration upon either or both parties.
The award of the arbitrators must be in writing, and it shall not be open to objections on
account of the form of proceeding or the award, unless otherwise provided by the laws of Iowa.
In the event of such laws providing on any matter covered by this article otherwise than as
hereinbefore specified, the method of procedure throughout and the legal effect of the award shall
be wholly in accordance with the laws of the State of Iowa, it being intended hereby to lay down a
principle of action to be followed, leaving its local application to be adopted to the legal
requirements of the place in which the work is to be done.
GENERAL SPECS HAZ-MAT FIRE TRAINING CENTER 8"WATER MAIN EXTENSION Page 15 of 16
12. PERFORMANCE BOND. The Contractor shall, at the time of execution and
delivery of this contract and before the taking effect of same, furnish and deliver to the Waterloo
Fire Department a written bond of indemnity to the amount required by law in form and substance,
and with surety thereon satisfactory and acceptable to the Waterloo Fire Department,to insure the
faithful performance by the Contractor of all the covenants and agreements on the part of the
Contractor contained in this contract. This bond shall remain in force and effect for the full
amount of the Contract.
13. PERSONAL LIABILITY OF PUBLIC OFFICIALS. In carrying out any of the
provisions of the Contract or in exercising any power or authority granted him thereby, there shall
be no liability upon the Engineer or his authorized assistants, either personally or as an official of
the Waterloo Fire Department, it being understood that in such matters he acts as the agent and
representative of the Waterloo Fire Department.
14. JURISDICTION. Any action in Court against the Contractor or sureties on his
bond because of damages to property or individuals by said Contractor or his workmen, or
because of the violation of any provisions of the specifications, or on account of the failure of said
Contractor to comply fully with these provisions, shall be brought in the District Court of the State
of Iowa in and for Black Hawk County.
15. TERMINATION OF RESPONSIBILITY. The Contract shall be considered as
completed and the Contractor released from further obligations except as to the requirements of
his bond, after the work has been completed and finally accepted and final estimates have been
allowed and the completion report of the engineer has been filed and approved by the Council.
16. WATERLOO WATER WORK'S LEGAL RIGHTS. The Waterloo Fire
Depai liuent shall not be precluded by any measurements, estimate, or certificate made, either
before or after the completion and acceptance of the work and payment therefore, from showing
the true amount and character of the work performed and materials furnished by the Contractor, or
from showing that any such measurement, estimate, or certificate is untrue or incorrectly made, or
the work or materials do not, in fact, conform to the Contract.
The Waterloo Fire Department shall not be precluded, notwithstanding any such
measurements, estimate, or certificate and payment in accordance therewith, from recovering from
the Contractor and his surety such damages as it may sustain by reason of his failure to comply
with the terms of the Contract. Neither the acceptance by the Waterloo Fire Depai liuent or any of
its representatives, nor any payment for or acceptance of the whole or any part of the work, nor
any extension of time, nor any possession taken by the Waterloo Fire Department, shall operate as
a waiver on any portion of the contract or of any power herein reserved, or any right to damages
herein provided. A waiver of any breach of the contract shall not be held to be a waiver of any
other or subsequent breach.
GENERAL SPECS HAZ-MAT FIRE TRAINING CENTER 8"WATER MAIN EXTENSION Page 16 of 16
SUPPLEMENTAL GENERAL SPECIFICATIONS FOR CONSTRUCTION
1. SUBCONTRACTS
The contractor shall cause appropriate provisions to be inserted in all subcontracts
relative to the work to require compliance by each subcontractor with the applicable
provisions of the contract for the improvements embraced in this contract.
2. REVIEW BY THE WATERLOO FIRE DEPARTMENT OF WATERLOO
The Waterloo Fire Department, its authorized representatives and agents, shall at all
times have access to and be permitted to observe and review all work,materials,
equipment,payrolls, personnel records, employment conditions, material invoices, and
other relevant data and records pertaining to this contract,provided, however, that all
instructions and approval with respect to the work will be given to the contractor only
by the Hazardous Materials Training Center through its authorized representative or
agents.
3. INSPECTION
a. The contractor shall furnish promptly all materials reasonably necessary for
any tests which may be required. All tests by the Waterloo Fire Department
will be performed in such manner as not to delay the work unnecessarily and
will be made in accordance with the provisions of the Technical Specifications.
b. Inspection of materials and appurtenances to be incorporated in the
improvements embraced in this contract may be made at the place of
production, manufacture or shipment, whenever the quantity justifies it, and
such inspection and acceptance, unless otherwise stated in the Technical
Specifications, shall be final, except as regards (1) latent defects, (2) departures
from specific requirements of the contract, (3) damage or loss in transit, or(4)
fraud or such gross mistakes as amount to fraud. Subject to the requirements
contained in the preceding sentence,the inspection of materials as a whole or
in part will be made at the project site.
4. WARRANTY OF TITLE
No material, supplies, or equipment to be installed or furnished under this contract
shall be purchased subject to any chattel mortgage or under a conditional sale, lease-
purchase or other agreement by which an interest therein or in any part thereof is
retained by the seller or supplier. The contractor shall warrant good title to all
materials, supplies, and equipment installed or incorporated in the work and upon
completion of all work, shall deliver the same together with all improvements and
appurtenances constructed or placed thereon by him to the Hazardous Materials
SUPPLEMENTAL GENERAL SPECIFICATIONS HAZ-MAT FIRE TRAINING CENTER PAGE 1 OF 2
8"WATER MAIN EXT
Training Center free from any claims, liens, or charges. Neither the contractor nor any
person, firm, or corporation furnishing any material or labor for any work covered by
this contract shall have any right to a lien upon any improvement or appurtenance
thereon. Nothing contained in this paragraph,however, shall defeat or impair the right
of persons furnishing materials or labor to recover under any bond given by the
contractor for their protection or any rights under any law permitting such persons to
look to funds due the contractor in the hands of the Hazardous Materials Training
Center. The provisions of this paragraph shall be inserted in all subcontracts and
material contracts and notice of its provisions shall be given to all persons furnishing
materials for the work when no formal contract is entered into for such materials.
SUPPLEMENTAL GENERAL SPECIFICATIONS HAZ-MAT FIRE TRAINING CENTER PAGE 2 OF 2
8"WATER MAIN EXT
FORM OF CONTRACT
CONTRACT FOR THE CONSTRUCTION OF
HAZ-MAT FIRE.TRAINING CENTER 8"WATER MAIN EXTENSION
HAZARDOUS MATERIALS TRAINING CENTER,
WATERLOO, IOWA
This contract made and entered into this day of , 20_,by and between the
Hazardous Materials Training Center,Waterloo, Iowa, and
of , Iowa, (hereinafter referred to as Contractor),
WITNESSETH:
PAR. 1 Contractor agrees to build and construct the HAZ-MAT FIRE TRAINING CENTER 8"
Water Main Extension, and furnish all necessary tools, equipment,materials and labor
necessary to do all the work called for in the plans and specifications in a workmanship
like manner and for the prices set forth in Contractor's proposal,which was accepted by
the Hazardous Materials Training Center, and which is understood and agreed to be a
part of this contract.
PAR. 2 It is understood and agreed that the resolution adopted by the Board ordering the
construction of the improvement,the Notice to Contractors as published,the Instruction
to Bidders, the Form of Proposal,the Construction and Maintenance Bonds,the Board
Proceedings relating to this matter, and the Plans and Specifications shall all be
considered as forming a part of the contract the same as though they were each set out in
said contract.
PAR. 3 The Contractor agrees to furnish at its own cost and expense, all necessary materials and
labor for said work and to construct said improvements in a thorough, substantial, and
workmanlike manner, and in strict accordance with the requirements of this contract, and
of the plans and specifications made a part hereof by reference, and to the satisfaction
and approval of the Hazardous Materials Training Center and its engineer.
PAR. 4 The Contractor agrees to perform said work and install said improvements on the terms
set out in bid or proposal to the Hazardous Materials Training Center which has been
accepted by the Hazardous Materials Training Center and which is by reference made a
part of this contract.
FORM OF CONTRACT HAZ-MAT FIRE TRAINING CENTER 8"WATER MAIN EXTENSION PAGE 1 OF 5
PAR. 5 The Contractor agrees to commence said work within ten(10)working days after receipt
of"Notice to Proceed" and complete it on or before • tcriwl 's'g /, .,unless
an extension of time is granted in writing by the Board.
PAR. 6 Should the Contractor fail to complete said improvements in strict accordance with the
terms and conditions of this contract, or the plans and specifications therefore promptly
by the date herein specified,the Hazardous Materials Training Center may pay such
additional sums as it may be required to pay by reason of the failure of said contractor
and deduct any and all such sums from any amount then due the Contractor.
PAR. 7 The Contractor agrees to comply with and obey all ordinances of the City of Waterloo,
Iowa,relating to the obstruction of streets and alleys,keeping open passage ways for
water, traffic, and protecting any excavations in any street or alley, and maintaining
proper and sufficient barricades with lights and signals during all hours of darkness,to
see that the backfilling is properly done, and agrees to keep the Hazardous Materials
Training Center and the Engineer whole and defend any and all suits that may be
brought against the Hazardous Materials Training Center and the Engineer by reason of
any injuries that may be sustained by any person or property allegedly caused by the
Contractor, or his agents,while work is done pursuant to this agreement.
PAR. 8 The Contractor agrees that in the event a law suit is brought against the Hazardous
Materials Training Center or the Engineer for damages allegedly sustained by reason of
any act, omission or negligence of the Contractor or its agents,or on account of any
injuries allegedly sustained by reason of any obstruction,hole, depression or barrier
placed or dug by the defendant or its agents, in the doing of the work herein contracted
for,that it will defend said suit and save the Hazardous Materials Training Center and
the Engineer harmless therein, and in case judgment is rendered against the Hazardous
Materials Training Center and the Engineer, the Contractor agrees to pay the same
promptly. The Contractor agrees to carry public liability insurance in a solvent company
in a sufficient amount to protect the Hazardous Materials Training Center and the
Engineer and those who use the streets of the City.
PAR. 9 The Hazardous Materials Training Center shall have the right to appoint one or more
construction reviewers who shall review the progress of the work in detail; also,to make
any test or any material to be used in such work. No material shall be used in any work
until the same has first been approved by the construction reviewer. Such construction
reviewer shall have full authority to pass judgment upon all materials and upon the
manner of doing the work, and their judgment on rejecting any materials, substance, or
manner of work shall be final unless it is revoked or modified by the Engineer.
PAR. 10 Any material which has been rejected by the construction reviewer shall be at once
removed from the line of work and shall not be again taken thereon or placed with the
material proposed to be used without the written consent of the Hazardous Materials
Training Center.
FORM OF CONTRACT HAZ-MAT FIRE TRAINING CENTER 8"WATER MAIN EXTENSION PAGE 2 OF 5
PAR. 11 The Contractor shall maintain no cause of action against the Hazardous Materials
Training Center on account of delays and prosecution of work,but if said work is
delayed by the Hazardous Materials Training Center,the Contractor shall have such
extra time for completion of the job as was lost by reason of the delay caused by the
Hazardous Materials Training Center.
PAR. 12 The Contractor agrees to pay punctually all just claims of labor,material,men, or
subcontractors who shall perform labor or furnish materials entering into this
improvement. It is agreed that the Hazardous Materials Training Center need not pay
the Contractor until all such claims are paid by the Contractor. It is agreed that the
Hazardous Materials Training Center shall not be liable for said labor,material, or men
under this contract.
PAR. 13 The Contractor agrees to furnish the Hazardous Materials Training Center,
simultaneously with this contract, a bond on a form to be provided by the Hazardous
Materials Training Center in the amount provided by law as stated in the Notice to
Bidders,which shall be for the benefit of the Hazardous Materials Training Center, and
any and all persons injured by the breach of any of the terms of this contract. Said bond
shall be filed with the General Manager of the Hazardous Materials Training Center and
shall be subject to the approval of the Board, and is by reference made a part of this
contract.
PAR. 14 The Contractor agrees that should it abandon work under this contract or cease the
prosecution thereof for a period of thirty(30) consecutive days without reasonable cause,
and should it fail to proceed with said work within ten(10)days after a notice to
continue or carry it on has been mailed to it at the address given herein by the Hazardous
Materials Training Center, or after such notice has been served on it,then the Hazardous
Materials Training Center may proceed to complete said work, using any material,tools,
or machinery found along said line of work, doing the work either by contract or as it
may elect, and the Contractor and the sureties on its bond shall be liable to the
Hazardous Materials Training Center for the costs and expenses so paid out. Said costs
shall be retained by the Hazardous Materials Training Center from any compensation
due, or to become due the Contractor, and may be recovered by the Hazardous Materials
Training Center in an action upon Contractor's bond.
PAR. 15 In consideration of the full compliance on the part of the Contractor with all the
provisions, stipulations, and conditions hereof, or contained in the various instruments
made a part of this contract by reference, and upon completion and acceptance of said
work,the Hazardous Materials Training Center agrees to pay to the Contractor, in the
manner set out in the Notice to Contractors, the amount of money due the Contractor for
work performed and accepted, at the unit prices set out in the Contractor's proposal,
which has been accepted by the Hazardous Materials Training Center.
PAR. 16 The total amount of the contract,based on the Engineer's estimates of quantities and the
Contractor's unit bid prices, and for which 100%surety bond is required is
FORM OF CONTRACT HAZ-MAT FIRE TRAINING CENTER 8"WATER MAIN EXTENSION PAGE 3 OF 5
PAR. 17 After the completion of said work,the Contractor agrees to remove all debris and clean
up said streets, and to save the Hazardous Materials Training Center harmless from any
damage allegedly resulting from a failure to clean up and remove the debris or put the
street back in a proper condition for travel.
PAR. 18 This contract is not divisible,but in the event of a conflict between this contract and the
various instruments incorporated by reference,this contract shall govern.
PAR. 19 Before the Contractor shall be entitled to receive final payment for work done under this
contract, it shall execute and file a bond in the penal sum of not less than 100%of the
total amount of the contract, same to be known as "Maintenance Bond," and which bond
must be approved by the Hazardous Materials Training Center, and which bond is in
addition to the bond given by the Contractor to guarantee the completion of the work.
PAR. 20 The Contractor shall maintain all work done hereunder in good order for the period of
two (2)years from and after the date it is accepted by the Hazardous Materials Training
Center. Said maintenance shall be made without expense to the Hazardous Materials
Training Center or the abutting property. In the event of the failure or default of the
Contractor to remedy any or all defects appearing in said work within a period of two (2)
years from the date of its acceptance by said Hazardous Materials Training Center and
after having been given ten(10)days notice so to do by registered letter deposited in the
United States Post Office in said town, addressed to said contractor at the address herein
given,then the Hazardous Materials Training Center may proceed to remedy such
defects. The costs and expenses thereof to be recovered from the Contractor and the
sureties on its maintenance bond by an action brought in any court of competent
jurisdiction.
PAR. 21 The Contractor shall give notice to said Hazardous Materials Training Center by
registered letter directed to the Hazardous Materials Training Center thereof not more
than four(4) and not less than three(3)months prior to the expiration of the term during
which the Contractor is required to maintain said improvements, in good repair by the
terms of its Contract. The liability of the Contractor and of the sureties on its bond for
maintenance of the said improvements shall continue until three(3)months after such
notice has been given to the Board, and,in any event,until two (2)years after the
acceptance of the work.
FORM OF CONTRACT HAZ-MAT FIRE TRAINING CENTER 8"WATER MAIN EXTENSION PAGE 4 OF 5
HAZARDOUS MATERIALS TRAINING CENTER
Contractor
BY:
Title:
FORM OF CONTRACT HAZ-MAT FIRE TRAINING CENTER 8"WATER MAIN EXTENSION PAGE 5 OF 5
PERFORMANCE BOND
KNOW ALL MEN BY THESE PRESENTS:
That we, ,of
(hereinafter called the Principal), and
of
(hereinafter called the Surety), are held and firmly bound unto the Hazardous Materials Training
Center(hereinafter called the Oblige),in the penal sum of
Dollars ($
), lawful money of the United States,to payment of which sum,well and truly to be made,the
Principal here firmly binds himself/themselves,his/their heirs, executors, and administrators, and the
said Surety binds himself,his successors, assigns, executors, and administrators,jointly and
severally, firmly by these presents.
THE CONDITION OF THIS OBLIGATION is such that,
WHEREAS the above bounden Principal did, on the day of
2008, enter into a written contract with the Hazardous Materials Training Center for the construction
of the HAZ-MAT FIRE TRAINING CENTER 8"Water Main Extension project, a copy of which
contract,together with all of its terms, covenants, conditions, and stipulations,is incorporated herein
and made a part hereof as full and completely as if said contract were recited at length herein; and
WHEREAS, the Principal and Surety on this bond hereby agree to pay to all persons, firms or
corporations having contracts directly with the Principal or with subcontractors, all just claims due
them for labor performed or materials furnished in the performance of the contract on account of
which bond is given when the same are not satisfied out of the portion of the contract price which the
public corporation is required to retain until completion of the public improvement,but the Principal
and Surety shall not be liable to said persons, firms, or corporation unless the claims of said
claimants against said portion of the contract price shall have been established as provided by law.
Now,if the Principal shall in all respects fulfill his said contract according to the terms and
tenor thereof, and shall satisfy all claims and demands incurred for the same, and shall fully
indemnify and save harmless the Oblige from all costs and damages which it may suffer by reason of
failure to do so, and shall fully reimburse and repay the Oblige all outlays and expenses which it may
incur in making good any such default,then the obligation is to be void and of no effect, otherwise to
remain in full force and effect.
FORM OF BOND HAZ-MAT FIRE TRAINING CENTER 8"WATER MAIN EXTENSION PAGE 1 OF 2
Every Surety on this bond shall be deemed and held, any contract to the contrary
notwithstanding,to consent without notice:
1. To any extension of time to the contract in which to perform the contract.
2. To any change in the plans, specifications, or contract when such change does not
involve an increase of more than twenty percent(20%)of the total contract price, and
shall then be released only as to such excess increase.
3. That no provision of this bond or of any other contract shall be valid which limits to
less than one(1)year from the time of the acceptance of the work the right to sue on
this bond for defect in workmanship or material not discovered or known to the
Oblige at the time such work was accepted.
IN WITNESS WHEREOF,we have hereunto set our hands and seals this day of
, 2008.
Principal
By:
Surety
Attorney-in-Fact
FORM OF BOND HAZ-MAT FIRE TRAINING CENTER 8"WATER MAIN EXTENSION PAGE 2 OF 2