HomeMy WebLinkAboutAECOM - Supp #2 - Contract No. 907 - 5/13/19AECOM
AECOM 319-232-6531 tel
501 Sycamore Street 319-232-0271 fax
Suite 222
Waterloo, Iowa 50703
www.aecom.com
FY 2016 SATELLITE RAW WASTEWATER WET WELL REHABILITATION
WATER POLLUTION CONTROL FACILITY
CITY OF WATERLOO, IOWA
CONTRACT NO. 907
SUPPLEMENTAL AGREEMENT NO. 2
WHEREAS, a Professional Services Agreement was entered into between the City of Waterloo,
Iowa, (Client), and AECOM Technical Services, Inc. (ATS), of Waterloo, Iowa, dated February 1,
2016, for design and bidding services for the FY 2016 Satellite Raw Wastewater Wet Well
Rehabilitation Project.
WHEREAS, the Client and ATS entered into Supplemental Agreement No. 1 on December 19,
2016, for providing additional engineering design services; and
WHEREAS, the Client and ATS now desire to enter into Supplemental Agreement No. 2 for
providing construction -related services (CRS) for the project.
NOW THEREFORE, it is mutually agreed to amend the original Professional Service Agreement as
follows:
A. Project Description
The project consists of construction -related services for rehabilitation of the existing
Satellite Raw Wastewater Wet Well, Sludge Holding Wet Well, Influent Anaerobic Wet Well,
and miscellaneous piping restorations at the Water Pollution Control Facility (WPCF).
Due to the corrosive nature of the wastewater, the wet wells and the majority of the
components within it have been severely corroded. The coatings applied on the concrete
walls are peeling off and the ductile iron piping shows signs of severe corrosion. Other
components within the wet wells, such as the gates and the pump retrieval systems, are
also corroded. The project details means for the rehabilitation of the interior of the wet
wells. This will include repairing and recoating the concrete surfaces, replacing or coating
existing ductile iron piping, installation of new pump removal systems, replacement of
existing corroded gates with new gates, and replacement of other items within these wet
wells that are found to be corroded and not in good working condition.
This agreement also includes design and construction -related services for crossover
structures to be installed to allow for flow diversion between the domestic and satellite
sanitary sewer lines. Also included is establishing design parameters and assistance for
the City to procure a chemical feed system skid (for feeding ferric chloride).
B. Scope of Services
The Scope of Services will encompass and include detailed work, services, materials,
equipment, personnel and supplies necessary to provide construction -related services for
the project. The Scope of Services is further defined as follows:
AECOM
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Task 1 — Provide Design for Sanitary Sewer Crossover. Provide design information,
drawings, and coordination to City and Contractor for construction of sanitary crossover
structures and system to be installed between the domestic and satellite sanitary sewer
lines south of Lafayette Street.
Task 2 - Provide Design Parameters for Chemical Feed. Provide design parameters and
coordination with equipment suppliers for the City to purchase and install a chemical feed
skid for feeding ferric chloride. This chemical feed skid is planned to be installed by City
personnel at the Anaerobic Lagoon site.
Task 3 - Obtain Soil Borings. ATS will work with a professional geotechnical firm to conduct
a soil boring and provide a report of the findings in the location of the proposed crossover
structures.
Task 4 — Preparation of Easements. Prepare permanent and temporary construction
easement documents for the installation of the crossover structures as mentioned above.
Task 5 - Horizontal and Vertical Control. Provide horizontal and vertical control for the
project including:
• Provide survey for crossover structures.
• Construction Limits - Identify where needed.
• Provide easement and property limits at construction site for the installation of the
crossover structures.
Task 6 - Submittals. Review shop drawings and other submittals as required of the
contractor by the contract documents for conformance with the design concept of the
project and compliance with the information given in the contract documents.
Task 7 - Project Intentions. Answer design interpretation questions from the Client,
contractor, review staff and appropriate agencies.
Task 8 - Contractor Payment Applications. Process monthly applications for payment
submitted by the contractor and forward to the Client for execution with recommendations
for approval and payment.
Task 9 - Field Testing Conformance Review Assistance. Witness, where applicable, field
testing of the materials furnished under the contract to assist in determining conformance
with the contract documents.
Task 10 - Site Visits by Design Personnel. Visit the construction site by design personnel at
appropriate stages of construction to review the quality of the work and to determine, in
general, whether the work conforms to the contract documents.
Task 11 - Change Order Preparation and Processing. Assist the Client and contractor in
preparing and processing contract change orders.
Task 12 - Field Observation. Provide periodic field observation during construction to
review the work of the contractor to determine if the work is proceeding in general
accordance with the contract documents and that completed work appears to conform to
the contract documents. Staffing requirements may be adjusted during the project in
relation to the level of construction activity.
AECOM
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Task 13 - Conformance Updates to Client as Needed. Report to the Client any work
believed to be unsatisfactory, faulty or defective or does not conform to the contract
documents, and advise Client of any work that should be corrected or rejected.
Task 14 - Evaluate Contractor's Suggestions for Modifications. Consider and evaluate
contractor's suggestions for modifications and report them with recommendations to the
Client.
Task 15 - Maintain Files during Protect. Maintain files for correspondence, reports of the
job conferences, shop drawings and sample submissions, reproductions of original contract
documents including addenda, change orders, field modifications, additional drawings
issued subsequent to the execution of the contract, Engineer clarifications and
interpretations of the contract documents, progress reports and other project -related
documents.
Task 16 - Review of Project. Participate in a review of the project with the Client and review
staff near project completion and prepare a list of items to be completed or corrected.
Task 17 - Field Observation of Completed Project. Participate in a field observation of the
completed project with the Client and review staff before a final application for payment is
processed for the Contractor.
Task 18 - Revised Plans Showing Changes Made During Construction. Provide the Client
with a copy of revised drawings of the construction plans for the project based on the
construction observation records of the review staff and contractor showing those changes
made during construction considered significant.
Task 19 - Documentation Close -Out. Assist the Client with the final close-out
documentation from the Contractor.
II1. Compensation
Compensation for the above services will be on an hourly basis in accordance with Part VI
of the original agreement and shall be segregated from the fees in the original agreement
and Supplemental Agreement No. 1. The estimated fee is Ninety -Seven Thousand Five
Hundred Dollars ($97,500.00).
IV. In all other respects, the obligations of the Client and the Consultant shall remain as
specified in the Professional Services Agreement dated February 1, 2016.
,4=COM
Page 4
IN WITNESS WHEREOF, the parties hereto have executed this Supplemental Agreement No. 2 as
of the dates shown below:
AECOM TECHNICAL SERVICES, INC.
By
D,uglas W. chindef; P.E.
ssociate Vice President
APPROVED FOR CLIENT:
Date June 18, 2019
By: DA... t_Q {(1('; 1 �4f- (.c- —"` Date
O:\Administration\AGREE\SUPPLE\SA2 Wat Satellite Wet Well CRS.docx
Letter of Transmittal
TO: City of Waterloo
715 Mulberry Street
Waterloo, Iowa 50703
WE ARE SENDING YOU:
x❑ Attached
❑ Shop Drawings
❑ Copy of Letter
❑ Prints
❑ Change Order
AECOM
DATE: June 18, 2019 JOB ID NO.:
ATTENTION: Ms. Kelley Felchle
RE: FY 2016 Satellite Raw Wastewater Wet Well Rehabilitation
Water Pollution Control Facility
City of Waterloo, Iowa
Contract No. 907
❑ Under separate cover via
❑ Plans ❑ Samples
the following items:
❑ Specifications
COPIES
DATE
NO.
DESCRIPTION
3
Supplemental Agreement No. 2 for Above -Referenced Project
THESE ARE TRANSMITTED AS CHECKED BELOW:
❑x For approval ❑ Approved as submitted ❑ Resubmit copies for approval
❑ For your use ❑ Approved as noted ❑ Submit copies for distribution
❑ As requested ❑ Returned for corrections ❑ Return corrected prints
❑ For review and comment ❑
❑ For Bids due 20
❑ Prints returned after loan to us
REMARKS: Please return one signed agreement for our files. We look forward to continuing to work with the City of Waterloo on this project.
COPY TO: SIGNED:
Douglas W. Schindel, P.E.
If enclosures are not as noted, kindly notify us at once.
501 Sycamore Street, Suite 222 • P.O. Box 1497 • Waterloo, Iowa 50704-1497 • (319) 232-6531 • Fax: (319) 232-0271