BOARD AGENDA MEMORANDUM
Government Code ? 84308 Applies: Yes ? No ?
(If "YES" Complete Attachment A - Gov. Code ? 84308)
SUBJECT:
Title
Approve an Increase of $800,000 to the Construction Contract Contingency Sum for the Calabazas Creek Rehabilitation Project, Project No. 62084001, Contract No. C0683, as Part of the Watersheds Asset Rehabilitation Program (Cupertino, District 5).
End
RECOMMENDATION:
Recommendation
Approve an increase of $800,000 to the construction contingency sum, bringing the total contingency to $2,289,270, for the Calabazas Creek Rehabilitation Project.
Body
SUMMARY:
The objective of the Calabazas Creek Rehabilitation Project (Project) is to restore the existing channel to as-built natural conditions, minimize future bank failures, minimize impacts to water quality and riparian habitat associated with bank erosion, remove non-native vegetation, add native vegetation, reduce on-going maintenance, and continue to provide flood protection to the community.
Project Background
The Project is being undertaken as part of the Watersheds Asset Rehabilitation Program (WARP). During past inspections by Watersheds Operations and Maintenance staff, deficiencies were observed along the creek between Miller Avenue and Bollinger Road, including erosion, bank failures, and surfaces lacking adequate vegetation cover. These deficiencies were exacerbated as a result of winter storm events in 2016-2017. The Project scope entails civil work to repair and stabilize the channel bank at ten (10) locations during two (2) summer seasons.
Relevant Prior Board Actions
On September 14, 2021, the Board adopted a resolution adopting the Final Mitigated Negative Declaration (FMND) and mitigation monitoring and reporting program for the Project.
On March 22, 2022, the Board adopted the plans and specifications and authorized advertisement for bids for the Project.
On May 24, 2022, the Board received the report of bids and awarded the construction contrac...
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