HomeMy WebLinkAboutJasper Construction Services-3/20/2017CHANGE ORDER NO. 6-1
Owner: City of Waterloo Date: 3-14-17
Project: Repairs to 6th St, 18th St, and Ansborouoh Avenue
Owner's Contract No. 916 Contractor: Jasper Construction Services
Date of Contract Start: 9-17-16 $ 223,910.00
You are directed to make the following changes in the Contract Documents. Description:
Replace southwest expansion joint, repair southwest backwall concrete, clean south abutment seat, provide
partial depth sidewalk patching, remove and replace southwest approach pavement, remove one damaged
lateral bracing, and provide traffic control on the Park Avenue Bridge over the Cedar River as shown in attached
sheets V.24 and V.25.
Reason for Change Order:
The abutment backwall supporting the expansion joints are failing at the southwest corner and sidewalk
concrete is spalled.
CONTRACT PRICE
To substantial
completion
Original: $223,910.00
Previous CIO's (ADD/DEDUCT): $8,352.04
This C.O. (ADD/DEDUCT): $ 53,065.50
Contract Price with all
approved Change Orders: $285,327.54
CONTRACT TIMES (Calendar Days)
To final
completion
Original Completion Date: 06-02-17 (All Items)
Previous CIO's (ADD/DEDUCT): N/A
This C.O. (ADD/DEDUCT): N/A
REVISED: N/A
Revised Completion Date: 06-30-17
It is agreed by the Contractor that this Change Order includes any and all costs associated with or resulting from the change(s)
ordered herein, including all impact, delays, and acceleration costs. Other than the dollar amount and time allowance listed above,
there shall be no further time or dollar compensation as a result of this Change Order.
THIS DOCUMENT SHALL BECOME AN AMENDMENT TO THE CONTRACT AND ALL
STIPULATIONS AND COVENANTS OF THE CONTRACT SHALL APPLY HERETO.
APPROVED:
By: 14'i 3 /t
"� / Date
OWNER (Authorized Signature)
ACCEPTED:
By: 'y_ e ,%
CONTRA T uthorized Signature)
Date
3// eip 7
CHANGE ORDER FORM
AECOM 60521749
AECOM, Inc.
60521749 / 6-1
Project Change
Number Order No.
Page CO -1
Item Coversheet Page 1 of 1
CITY OF WATERLOO
Council Communication
Motion to approve Change Order No. 6-1 for a net increase of $53,065.50 for the FY 2017 Bridge Repairs; 6th Street, 18th Street, and Ansborough
Avenue, Contract No. 916, and authorize the Mayor and City Clerk to execute said document.
City Council Meeting: 3/20/2017
Prepared: 3/15/2017
REVIEWERS:
Department Reviewer Action Date
Engineering Thorson, Eric Approved 3/15/2017 - 11:05 AM
Clerk Office Even. LeAnn Approved 3/15/2017 - 2:32 PM
ATTACHMENTS:
Description Type
t] Change Order 6-1 Cover Memo
Submitted by: Submitted By: Wayne Castle, PLS, PE, Associate Engineer
Summary Statement:
Expenditure Required:
Source of Funds:
Background Information:
$53,065.50
G.O. Bonds
The temporary plates covering the failed expansion joint on the Park Ave. Bridge are working loose
and are hard to keep attached. Therefore, a repair to the expansion joint is necessary to avoid
continuous work on the plates to keep them attached. Also, since the contractor will be working on the
bridge, some sidewalk is being patched to make it safer.
http://waterloo.novusagenda.com/AgendaWeb/CoverSheet.aspx?ItemID=7835 3/17/2017
SEE DETAIL A
REMOVE AND REPLACE
REINFORCED APPROACH
PAVEMENT
SAWCUT
DETAIL A
'E' JOINT
EMOVE AND REPLACE
EXISTING EXPANSION DEVICE
SAWCUT
SECTION B -B
FLOORBEAM
(UAC)
EXISTINGAPLATES
SHALL REMAIN
PROPERTY OF THE
CITY.(TO BE REMOVED
AND HAULED OFF BY
THE CITY.)
TOP OF DECK
OR BACKWALL
SITUATION PLAN
END OF STEEL
EXTRUSION & CURBS
END OF CONCRETE
DECK & BACKWALL
EXPANSION OPENING DETAIL
A THIS DIMENSION MAY VARY SLIGHTLY DEPENDING
ON MANUFACTURER FURNISHING THE JOINT.
USED FOR ALL OUT TO OUT DIMENSIONS OF SLAB.
AA THE DIMENSION MAY VARY SLIGHTLY DEPENDING ON
MANUFACTURER FURNISHING THE JOINT.
t
EXPANSION
JOINT
SETTINGS
STEEL EXTRUSION
-Jf
da1
2-R I11xex0'-8
TABLE OF APPROVED EXPANSION DEVICES
- •,
.-...r_____
TYPE OF
STEEL
EXTRUSION
NEOPRENE
GLAND
TRAFFIC
0
-
N
A
V
PARK AVENUE
SE -500
.,
80° F.
!::::;)
E
Steel Extrusion Joint With Neoprene
V
O
v
N
A
w
d
LF
Safety Closure (Includes Sidewalks)
8
TRAFFIC
Traffic Control
1
LS
Mobilization
1
y
y
1
REMOVE AND REPLACE
REINFORCED APPROACH
PAVEMENT
SAWCUT
DETAIL A
'E' JOINT
EMOVE AND REPLACE
EXISTING EXPANSION DEVICE
SAWCUT
SECTION B -B
FLOORBEAM
(UAC)
EXISTINGAPLATES
SHALL REMAIN
PROPERTY OF THE
CITY.(TO BE REMOVED
AND HAULED OFF BY
THE CITY.)
TOP OF DECK
OR BACKWALL
SITUATION PLAN
END OF STEEL
EXTRUSION & CURBS
END OF CONCRETE
DECK & BACKWALL
EXPANSION OPENING DETAIL
A THIS DIMENSION MAY VARY SLIGHTLY DEPENDING
ON MANUFACTURER FURNISHING THE JOINT.
USED FOR ALL OUT TO OUT DIMENSIONS OF SLAB.
AA THE DIMENSION MAY VARY SLIGHTLY DEPENDING ON
MANUFACTURER FURNISHING THE JOINT.
t
EXPANSION
JOINT
SETTINGS
STEEL EXTRUSION
-Jf
da1
2-R I11xex0'-8
TABLE OF APPROVED EXPANSION DEVICES
MANUFACTURER
TYPE OF
STEEL
EXTRUSION
NEOPRENE
GLAND
MINIMUM
OPENING FOR
GLAND
INSTALLATION
CORRESPONDING
MAXIMUM
DECK
TEMPERATURE
WATSON-BOWMAN &
ACME CORP.
A
SE -500
2 IN.
80° F.
550
LB
Steel Extrusion Joint With Neoprene
30
LF
APPROVED EQUAL
30
LF
Safety Closure (Includes Sidewalks)
8
EA
Traffic Control
1
LS
Mobilization
Is AT 90° F.
28 AT 50° F.
41,6 AT 10° F.
TOP OF DECK
OR BACKWALL
ANCHORAGE SYSTEM
AT I'-6 MAX.
SECTION THROUGH JOINT
NOTEzJOINT SETTINGS FOR
OTHER TEMPERATURES ARE
PROPORTIONAL. TEMPERATURES
SHOWN ARE CONCRETE DECK
TEMPERATURES ON THE
UNDERSIDE OR SHADED
PORTION OF THE DECK.
PARK AVENUE BRIDGE
OVER CEDAR RIVER
CITY BRIDGE N0. T
FHWA NO.011831
LOCATION MAP (NOT TO SCALE)
NOTES:
CHANGE ORDER 6-1 INLCUDES ALL MATERIAL LABOR AND EQUIPMENT
NECESSARY TO COMPLETE THE WORK DETAILED ON SHEETS V.24 AND
V.25. PAY ITEM IS 'MISCELLANEOUS REPAIRS'. METHOD OF MEASUREMENT
AND BASIS OF PAYMENT 15 LUMP SUM.REFER TO OTHER NOTES IN
THESE PLANS FOR MATERIAL SPECIFICATIONS AND PROCEDURES SUCH AS
NEOPRENE GLAND INSTALLATION AND WATER TESTING.
BACKWALL AND DECK CONCRETE SHALL BE REMOVED TO SOUND CONCRETE,
TO THE EXTENT THAT THE EXISTING EXPANSION DEVICE CAN BE
REMOVED AND THE NEW EXPANSION DEVICE INSTALLED. ALL CONCRETE
REMOVALS SHALL BE INITIATED WITH SAWCUTS TO PREVENT SPALLING.
STRIAGHTEN CLEAN AND RE -USE LONGITUDINAL REINFORCEMENT AND
HOOPS.SUPPLEMENT DAMAGED BARS WITH DRILLED -IN AND EPDXIED
DOWELS AS DIRECTED BY THE ENGINEER.NEW TRANSVERSE BARS SHALL
MATCH EXISTING SIZE AND SPACING. ALL SUPPLEMENTAL REINFORCEMENT
SHALL BE EPDXY COATED.
SIDEWALK PATCHING REMOVALS SHALL INCLUDE ALL LOOSE MATERIAL BY
HAND AND COMPRESSED AIR METHODS.REMOVALS DOWN TO SOUND
CONCRETE IS NOT REQUIRED. RAIL REMOVAL AND REPLACEMENT IS NOT
REQUIRED TO FACILITATE ACCESS FOR REPAIRS.REMOVAL MATERIAL
SHALL BE DISPOSED OF OFF-SITE BY THE CONTRACTOR.
CONCRETE FOR SIDEWALK PATCHES SHALL BE DESIGNED FOR USE IN THIN
SURFACE PATCH APPLICATIONS.PATCHES MAY BE HAND FINISHED BUT
SHALL HAVE A NEAT SURFACE PROFILE THAT DRAINS WATER.CONCRETE
PATCHES MAY TAPER FROM THE RAIL GUTTERLINE TO THE EDGE OF DECK
AS REQUIRED TO ELIMINATE THE NEED FOR FORMING AT THE EDGE OF
DECK. SEE SHEET V.25 FOR PATCH LOCATIONS.
DEBRIS SHALL BE REMOVED FROM THE ABUTMENT SEATS AT THE SOUTH
ABUTMENT WITH HAND AND COMPRESSED AIR METHODS.
THE DAMAGED LATERAL BRACING SHALL BE REMOVED AND DISPOSED OF
OFF-SITE.THE BRACING SHALL BE CUT OFF AT THE NEAREST JOINT
LOCATION AS DIRECTED BY THE ENGINEER.
SIDEWALK CLOSURES AND TRAFFIC CONTROL SHALL BE SIMILAR TO
OTHER BRIDGE SITES ON THE PROJECT.
Park Ave Bridge Repairs
Item
Quantity
Unit
Removals, As Per Plan
1
LS
Structural Concrete (Misc.)
5
CY
Reinforcing Steel, Epoxy Coated
550
LB
Steel Extrusion Joint With Neoprene
30
LF
Neoprene Gland Installation and Testing
30
LF
Safety Closure (Includes Sidewalks)
8
EA
Traffic Control
1
LS
Mobilization
1
L5
Remove Lateral Bracing
1
EA
Clean Abutment Seat
1
L5
Partial Depth Sidewalk Patching
275.1
SF
Bridge Approach Pavement Remove and Replace
1
LS
PARK AVENUE BRIDGE
MISCELLANEOUS REPAIRS
MAY, 2017
CITY OF WATERLOO, IOWA
DESIGN TEAM AECOM
CITY OF WATERLOO
CONTRACT NUMBER 916
SHEET NUMBER V.24
L:\PROJECTS\Park Ave Patching\PARK AVE BRIDGE PATCHING.dwg 2/28/2017 1:18 PM
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ITY OF WATERLOO, IOWA
ENGINEERING DEPARTMENT
715 MULBERRY STREET
WATERLOO, IOWA 50703
(319) 291-4312 PHONE
(319) 291-4262 FAX
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FY2017 6th St, 18th St, &
Ansborough Ave Bridge Repairs
CONTRACT #916
ESTIMATED QUANTITIES
PARK AVE BRIDGE
SIDEWALK PATCHING