City Council Agenda
Memo to:
Manteca City Council
From:
Kevin Jorgensen II, Director of Engineering/City Engineer
Prepared by:
Michael Selling, Deputy Director of Engineering
Date:
December 16, 2025
Subject:
Professional Services Agreement C2020-10 Amendment No. 4 For The Zone 36/39 Storm Drain Improvements Project (CIP 20004)
Recommendation:
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Approve Amendment No. 4 to the Agreement for Professional Services with Dewberry, dba Drake Haglan and Associates (C2020-10), extending the Performance Period of the contract to June 30, 2027; increase the not-to-exceed contract limit to $1,591,318; and authorize the City Manager to sign Amendment No. 4 and take all necessary actions to effectuate the Amendment. This is for Zone 36/39 Storm Drain Improvements Project (CIP 20002) design services.
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Background:
The Zone 36/39 Storm Drain Improvements Project (CIP 20004) includes a sixty-six-inch (66") gravity storm drain line within Woodward Avenue to property owned by Reclamation District 17 (RD 17) on Aplicella Court. From the RD 17 property, a pump station and forty-eight-inch (48") force main will carry the storm runoff to the former Oakwood Lake Water District corporation yard and over the levy to an outfall structure on the San Joaquin River.
On January 21, 2020, the City Council authorized the expenditure and execution of an Agreement for Professional Services with Dewberry in an amount not-to-exceed $1,191,268 for the Zone 36/39 Storm Drain Improvements Project for Engineering, Environmental, and Permitting Services.
The outfall structure on the San Joaquin River has a narrow window of construction in accordance to the environmental permitting that would preclude in-water construction on the outfall from November 1st through July 31st.
On January 5, 2022, the City Council authorized an increase in expenditure and execution of Amendment No. 1 (C2020-10-A1) to the Agreement for Professional Services with Dewberry up to $1,384,868 for addi...
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