For City Council Meeting [November 12, 2024]
TO: Honorable Mayor and City Council
APPROVAL: G. Michael Milhiser, Interim City Manager
AUTHOR: Tim Sullivan, Director of Public Works
Title
Request City Council to: 1) Approve a Contract Change Order to Harris & Associates in the Amount of $957,431 for Preparation of a Stormwater Condition Assessment Pursuant to the City's "On-Call" Agreement; and 2) Authorize the City Manager or Their Designee to Execute all Related Documents.
(ACTION)
Body
RECOMMENDATION:
Staff recommends that the City Council:
1. Approve a Contract Change Order to Harris & Associates in the Amount of $957,431 for Preparation of a Stormwater Condition Assessment Pursuant to the City's "On-Call" Agreement; and,
2. Authorize the City Manager or Their Designee to Execute all Related Documents.
BACKGROUND:
The City of Rialto operates and maintains a storm drain pipeline network that collects and transports stormwater to mitigate the risk of flooding, reduce water pollution, and protect public health and safety. A comprehensive asset management system is essential to effectively maintain and operate these critical stormwater assets and maximize their useful life.
On February 14, 2023, the City Council approved a purchase order in the amount of $254,251 to start the development of Rialto's stormwater asset inventory. The initial proposal was based on as-built records that had anticipated 800 existing structures (catch basins, manholes, ditches, and outfalls) throughout the City. Upon data gathering and field verifications, over 900 unrecorded structures were discovered, causing the scope to expand to over 1,700 total existing structures. To complete the inventory and database, On October 10, 2023, the City Council approved an increase of $198,598 to the purchase order with Harris & Associates.
In September 2024, the City completed Phase 1 of its stormwater management initiative, which involved creating a detailed inventory of over 1,700 sto...
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