ADMINISTRATIVE REPORT
MEETING DATE: December 17, 2025 AGENDA CATEGORY: Consent - Agreements TO: Honorable Mayor and City Council
FROM: Zachary Meyer, Public Works Director
DATE: November 25, 2025
SUBJECT: Amendment No. 10 to Agreement No. 19-070
with AECOM Technical Services, Inc. (increasing compensation by $319,053.49; revised not to exceed $26,324,033.15) for additional construction management services for the Centennial Corridor Mainline Project (Wards 1, 2 & 3)
RECOMMENDATION:
Staff recommends approval of the amendment.
BACKGROUND:
The Mainline Project extend s State Route 58 (SR -58) from the current terminus as a freeway at State Route 99 (SR-99) to the Westside Parkway. At the SR-58/SR-99 interchange, the Project adds a collector- distributor on the northbound SR -99 and constructs a new northbound to westbound connector. The Project also includes various local road improvements including: realignment and introducing cul-de-sacs at the end of local roads along the corridor, widening and realignment of Chester Avenue at SR -58, and construction of a traffic signal at the eastbound SR-58 ramps/Brundage Lane intersection (which is part of the SR-58/Cottonwood Road interchange).
On August 31, 2022, City Council approved Amendment No. 1 extending the term for services and added $3,729,925 to Agreement No. 19-070.
On May 24, 2023, City Council approved Amendment No. 2 extending the term for services and added $2,211,378 to Agreement No. 19-070.
On October 11, 2023, City Council approved Amendment No. 3 extending the term for services and added $287,065 to Agreement No. 19-070.
On February 14, 2024, City Council approved Amendment No. 4 extending the term for services and added $499,814 to Agreement No. 19-070.
On June 12, 2024, City Council approved Amendment No. 5 adding $253,609 to Agreement No. 19-070.
On October 23, 2024, City Council approved Amendment No. 6 adding $120,000 to Agreement No. 19 - 070.
On January 8, 2025, City Council approved Amendment No. 7 adding $127,376.57 to Agreement No. 19 - 070.
On March 26, 2025, City Council approved Amendment No. 8 addin g $155,324.49 to Agreement No. 19- 070.
On May 28, 2025, City Council approved Amendment No. 9 adding $270,633.19 to Agreement No. 19-070.
The amendment for additional Construction Management (CM) services includes surveying, construction inspections, contract administration, and project closeout. Amendment No. 10 to Agreement No. 19-070 adds $319,053.49 to the Mainline Project CM agreement. Upon approval of this amendment, the total not-to-exceed amount of the contract will be $26,324033.15.
FISCAL IMPACT:
The project is funded with 26% Federal INFRA Grant, 24% SAFETEA-LU Federal funds, 34% State STIP funds, and 16% Local Funds. Local funds will be comprised of Utility Surcharge funds, Traffic Development funds, and Gas Tax funds. There is no General Fund impact associated with this amendment.
COUNCIL GOAL:
Reliable Infrastructure
ATTACHMENTS:
Amendment 10 to 19-070 Signed