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Motion to accept the construction improvements of the Caltrain Access & Bay Trail Gap Closure Project (st2003) as complete. (Jeffrey Chou, Senior Civil Engineer)
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RECOMMENDATION
It is recommended that the City Council, by motion, accept the construction improvements of the Caltrain Access & Bay Trail Gap Closure Project (st2003) in accordance with plans and specifications (Total Construction Cost $882,983.77).
BACKGROUND/DISCUSSION
On March 9, 2022, the City Council of South San Francisco awarded the Caltrain Access & Bay Trail Gap Closure Project (st2003) to McGuire and Hester to construct pedestrian and bicycle improvements along East Grand Avenue to connect the East Plaza of the new South San Francisco Caltrain station to the areas of East Grand Avenue & Gateway Boulevard and East Grand Avenue & Forbes Boulevard/Harbor Way.
The Engineering Division inspected the work and found the project to be complete in accordance with the contract documents as of March 3, 2023. Project location map and construction photos are included as Attachments 1 and 2, respectively.
FISCAL IMPACT
The project is funded in the City of South San Francisco's fiscal year 2021-22 Capital Improvement Program (Project No. st2003) with sufficient funds allocated to cover the Total Construction Budget.
The total construction cost incurred for the project is summarized as follows:
Projected Actual
Construction Contract $565,646.00 $565,646.00
Construction Contingency (actual ~56%) $ 84,847.00 $317,337.77
Total Project Construction Budget $650,493.00 $882,983.77
Construction contingency exceeded the projected amount due to numerous unforeseen existing site conditions of large rocks, water intrusion, and unstable soil conditions as the Contractor was drilling the traffic signal foundation. The traffic signal foundation was redesigned with a deeper foundation and a steel casing to resolve these unforeseen field issues. The redesign required ad...
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