Title
Department of Transportation recommending the Board approve and authorize the Chair to sign the Seventh Amendment to competitively bid Agreement for Services 467-S1411 (Fenix 876) with Consor North America, Incorporated, for continued design support services during the construction of the Mosquito Road Bridge at South Fork American River Project, Capital Improvement Program project number 77126/36105028, with the following:
1) Extend the performance period by 18 months to June 30, 2027;
2) Increase the not-to-exceed amount by $224,994.33 for a new agreement amount of $7,175,880.56; and
3) Update and add contract language per federal funding requirements.
(Districts 3 & 4)
FUNDING: Highway Bridge Program Funds (99.7%), Regional Surface Transportation Program Advance - Exchange Funds (0.2%), and Sacramento Municipal Utility District Funds (0.1%). (Federal and Local Funds)
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DISCUSSION / BACKGROUND
The Mosquito Road Bridge at South Fork American River - Bridge Replacement Project (Project) is replacing the existing Mosquito Road Bridge with a segmental cast in place box girder bridge over the South Fork American River on Mosquito Road. The Project includes the construction of temporary access; the foundation construction of cast-in-drilled-hole (CIDH) concrete piles, optional micropiles, sub-structure, and super-structure bridge work; the construction of tie back, soil nail, soldier pile, and reinforced concrete retaining walls; and grading, paving, and drainage system improvements for the re-aligned approach roadway.
A Request for Proposals process was completed in 2013, from which Quincy Engineering, Incorporated (Quincy) was selected from the list of qualified companies as the best firm to complete a Replacement Study, the Project Approval, Environmental Document, and Final Design for the Project. The Agreement for Services was approved by the Board on July 29, 2014, Legistar file 13-0549. The agreement expiration was to coincide with the County's ac...
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