HomeMy WebLinkAboutSA5_AECOM_WAT_4th_5th_6th_Streets_Conversion_10.19.26 AECOM
360 Westfield Avenue
Suite 402
Waterloo, Iowa 50701
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TRAFFIC ENGINEERING STUDY
5TH AND 6TH STREETS CONVERSION OF ONE-WAY COUPLETS TO TWO-WAY
CITY OF WATERLOO, IOWA
SUPPLEMENTAL AGREEMENT NO. 5
WHEREAS, a Professional Services Agreement was entered into between the City of Waterloo (Client),
715 Mulberry Street, Waterloo, Iowa, and AECOM Technical Services, Inc. (ATS), 501 Sycamore Street,
Suite 222, Waterloo, Iowa, dated December 21, 2020, for a traffic engineering study to convert the one-
way couplets to two-way traffic on 4th Street and 5th Street from Six Corners to Randolph Street and on 5th
Street and 6th Street from Randolph Street to near Barclay Street through downtown Waterloo; and
WHEREAS, the Client and ATS entered into Supplemental Agreement No. 1 for assistance in the
preparation of the United States Department of Transportation’s (USDOT) Reconnecting Communities Pilot
(RCP) Program Grant Application, dated July 30, 2024; and
WHEREAS, the Client and ATS entered into Supplemental Agreement No. 2 for assistance in the
preparation of the United States Department of Transportation’s (USDOT) F25 Safe Streets and Roads for
All (SS4A) Grant Application, dated July 17, 2025; and
WHEREAS, the Client and ATS entered into Supplemental Agreement No. 3 for assistance in preparation
of the United States Department of Transportation's (USDOT) F26 Safe Streets and Roads for All (SS4A)
Grant Application, dated April 20, 2026; and
WHEREAS, the Client and ATS now desire to enter into Supplemental Agreement No. 4 for assistance in
preparation of the Department of Homeland Security (DHS) Building Resilient Infrastructure and
Communities (BRIC) Grant Application, dated April 5, 2026; and
WHEREAS, the Client and ATS now desire to enter into Supplemental Agreement No. 5 for assistance in
preparation of the Department of Homeland Security (DHS) Building Resilient Infrastructure and
Communities (BRIC) Grant Application.
NOW THEREFORE, it is mutually agreed to amend the original Professional Service Agreement as follows:
I. PROJECT DESCRIPTION
This project includes the construction of parking improvements, sidewalk improvements, crosswalk
improvements and other parking improvements around the new City Hall at 100 E. 4th Street.
These improvements include the removal of curb and gutter at select intersections and locations
generally described as follows:
• The u-shaped parking lot off of 4th Street is also identified as Water Street. Additional
parking is proposed in the southwest corner of the u-shaped parking lot with the addition of
approximately 5 new angled, head-in parking spots. This would include some sidewalk
modifications as well. This includes repairs to the drive and sidewalk in front of the doors.
This also includes the addition of 3 parallel parking stalls along the Frerichs Law Office
building.
• Parking and sidewalk improvements along 5th Street. This includes the curb and gutter
removal and replacement for proposed crosswalk improvements for the new crosswalk at
the end of the bridge and at Sycamore Street. This also includes the replacement of 4”
sanitary sewer service with a new 6” sanitary sewer service on 5th Street. A new shared-
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use path will be needed along the south and east side of 5th Street from the bridge to
Water Street.
• Curb, gutter and sidewalk improvements are needed along the north side of Water Street
from 5th Street to 6th Street. This includes widening Water Street from 27 feet wide to 31
feet wide. Also included is the removal of the drive off of Water Street and relocation of
entrance to 5th Street.
II. SCOPE OF SERVICES
The Scope of Services will encompass and include services, materials, equipment, personnel, and
supplies necessary to provide construction-related services for the project. The Scope of Services
is further defined as follows:
Tasks 1-5 – Design Survey and Base Mapping. These tasks include the topographic survey,
utility survey, and right-of-way survey in the locations described above. No platting is included in
these tasks. The survey tasks are as follows:
Task 1 – Survey Coordination and QA/QC.
Task 2 – Set Horizontal and Vertical Control.
Task 3 – Topographic Survey.
Task 4 – Utility Survey.
Task 5 – Right-of-Way Survey.
Tasks 6-18 – Preliminary and Final Design. These tasks include the preparation of a preliminary
plan set, check plan set and final plan set which will include a parking plan, sidewalk layouts, and
street revisions, and utility connections. The tasks are further described below:
Task 6 – Title Sheet and Legend (A – Series Sheets).
Task 7 – Typical Sheets and Details (B – Series Sheets).
Task 8 – Quantities, Estimate Reference Notes, and Tabulations (C – Series Sheets).
Task 9 – Plan Sheets (D – Series Sheets).
Task 10 – Sanitary Service (M – Series Sheets).
Task 11 – Pavement Markings / Signing (N – Series Sheets).
Task 12 – Lighting Layout (P – Series Sheets).
Task 13 – Sidewalk Sheets (S – Series Sheets).
Task 14 – Detail Sheets (U – Series Sheets).
Task 15 – Preliminary Plan Submittal / Revisions.
Task 16 – Check Plan Submittal / Revisions.
Task 17 – Final Plan Submittal / Cost Estimate.
Task 18 – Quality Control.
Task 19 – Specifications and Bidding Assistance. This task includes the preparation of
specifications and contract documents. The technical specifications will reference Iowa
Statewide Urban Design Specifications. Included in this task is the distribution of the plans and
specifications and attendance at the bid opening.
Task 20 - Project Team Coordination. This task includes the coordination activities required
for the team, including internal coordination, communications, information exchange, scheduling
and processing of payments. Also included in this task are two (2) meetings with the City to
review plans and discuss the project.
Task 21 - Project Administration. This task includes in-house project-related administrative
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activities throughout the duration of this contract.
III. COMPENSATION
Compensation for the above services will be on an hourly basis in accordance with Part VI of the
original agreement and shall be integrated with the fees in the original agreement and Supplemental
Agreement Nos. 1, 2, 3, and 4. The estimated fee is Fifty-Seven Thousand Five Hundred Dollars
($57,500.00) and will not be exceeded without authorization from the Client.
IV. In all other respects, the obligations of the Client and the Consultant shall remain as specified in
the Professional Services Agreement dated December 21, 2020.
IN WITNESS WHEREOF, the parties hereto have executed this Supplemental Agreement No. 5 as of the
dates shown below:
APPROVED FOR CITY OF WATERLOO APPROVED FOR AECOM TECHNICAL
SERVICES, INC
By: By:
Printed Name: David Boesen Printed Name: Michelle M. Sweeney, PE, PTOE
Title: Mayor Title: Associate Vice President
Date: Date:
https://aecom-my.sharepoint.com/personal/mark_durbahn_aecom_com/Documents/Documents/SA5 WAT 4th 5th 6th Streets Conversion(MDD Revisions).docx
10/06/2026
Docusign Envelope ID: FF4E8A21-7F74-8B4F-835E-D7F4B551F9DB
10/19/2026