HomeMy WebLinkAboutAECOM - FY2020 Virden Creek , Cont No. 947 - 1/21/2020AECOM
AECOM 319-232-6531 tel
501 Sycamore Street 319-232-0271 fax
Suite 222
Waterloo, Iowa 50703
www.aecom.com
CITY OF WATERLOO
VIRDEN CREEK LEVEE IMPROVEMENTS
U.S. HIGHWAY 63 TO 4TH STREET
CONSTRUCTION -RELATED SERVICES
SUPPLEMENTAL AGREEMENT NO. 3
WHEREAS, a Professional Services Agreement was entered into between City of Waterloo, Iowa,
(Client), and AECOM Technical Services, Inc. (ATS), of Waterloo, Iowa, dated June 27, 2011, for
increasing the flood protection level of the Virden Creek channel and earthen levee from U.S.
Highway 63 to Gates Park near 4th Street in Waterloo, Iowa; and
WHEREAS, the Client and ATS entered into Supplemental Agreement No. 1 on December 11,
2017, for additional design, including collecting additional stream channel data, completing a
hydrologic review of the project area and preparing a hydraulic model of the stream using the new
data; and
WHEREAS, the Client and ATS entered into Supplemental Agreement No. 2 on August 20, 2018,
for additional structural design; and
WHEREAS, the Client and ATS now desire to enter into Supplemental Agreement No. 3 for
construction -related services.
NOW THEREFORE, it is mutually agreed to amend the original Professional Services Agreement
as follows:
I. Project Description
This project includes modifications to approximately 700 linear feet of existing concrete
retaining walls, construction of approximately 4,100 linear feet of new concrete walls,
installation of four temporary closure structures, installation of approximately 10,500 square
yards of concrete channel lining, demolition of an existing building, site restoration and
miscellaneous associated levee improvements for Virden Creek from U.S. Highway 63 to 4th
Street.
II. Scope of Services
The Scope of Services for this supplemental agreement will encompass and include
detailed work, services, materials, equipment, personnel and supplies necessary to provide
construction -related services for the project defined above. The Scope of Services is
further defined by the following tasks:
Task 1. Conduct a preconstruction conference attended by representatives of the
Contractor, Client, Consultant and affected utilities.
Task 2. Provide construction staking for horizontal and vertical controls for the project as
follows:
a. Set Project Control
b. Mark Removals
c. Set Stakes at 50-Foot Intervals for Grading
d. Set Stakes for Retaining Wall Construction
e. Set Stakes for Channel Lining Pavement
f. Set Stakes at 25-Foot Intervals for Paving
AECOM
Page 2
Task 3. 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 4. Answer design interpretation questions from the Client, Contractor, review staff
and appropriate agencies.
Task 5. Prepare bi-monthly applications for payment based on information provided by
field review staff and Contractor and forward to the Client for execution with
recommendation for approval and payment.
Task 6. Witness/provide, where applicable, field testing of the facilities furnished under the
contract to assist in determining conformance with the contract documents.
Task 7. Perform construction site visits by design personnel at appropriate stages of
construction to review the quality of the work and to determine whether the work conforms
to the contract documents. Conduct bi-weekly construction progress meetings with
representatives from the Contractor and the City.
Task 8. Prepare and assist the Client and Contractor in processing contract change
orders.
Task 9. 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.
Task 10. Report to the Client any work believed to be unsatisfactory, faulty or defective or
does not conform to the contract documents, and advise the Client of any work that should
be corrected or rejected.
Task 11. Consider and evaluate Contractor's suggestions for modifications and report
them with recommendations to the Client.
Task 12. 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 13. 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 14. 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 15. Provide the Client with a copy of revised drawings of the construction plans
(record drawings) for the project based on the construction observation records of the field
review staff and the Contractor showing those changes made during construction
considered significant.
Task 16. Prepare and assist the Client with the final close-out documentation received
from the Contractor.
AECOM
111. Compensation
Page 3
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 Nos. 1 and 2. The estimated fee is Three Hundred Seventy -
Five Thousand Dollars ($375,000.00).
IV. In all other respects, the obligations of the Client and the Consultant shall remain as
specified in the Professional Services Agreement dated June 27, 2011.
IN WITNESS WHEREOF, the parties hereto have executed this Supplemental Agreement No. 3 as
of the dates shown below:
AECOM TECHNICAL SERVICES, INC.
N/
Douglas S indel, P.E.
Associate Vice President
APPROVED FOR CITY OF WATERLOO
BY
Quentin Hart
Mayor
Date January 22, 2020
Date
1/Z1 /ZZc
O:Wdministration'AGREE\SUPPLE\SA3 Wat Virden Creek Levee Improvements CRS.doc