File #: 22-0364    Version: 1
Type: Agenda Item Status: Approved
File created: 2/20/2022 In control: Board of Supervisors
On agenda: 5/17/2022 Final action: 5/17/2022
Title: Department of Transportation recommending the Board take the following actions pertaining to the Mosquito Road Bridge at South Fork American River - Bridge Replacement Project, Capital Improvement Program project number 77126/36105028, Contract 5084, with an estimated total construction phase cost of $93,001,334: 1) Award the Construction Contract to Shimmick Construction Company, Inc., who was the lowest responsive, responsible bidder who has agreed to extend the bid award time period; 2) Approve and authorize the Chair to sign the Construction Contract, subject to review and approval by County Counsel and Risk Management; 3) Authorize the Director of Transportation to sign an Escrow Agreement, if requested by the Contractor and in accordance with Public Contract Code Section 22300, for the purpose of holding Contract retention funds; and 4) Authorize the Director of Transportation to sign the Dispute Resolution Board Agreement with the Contractor, the County, and the Dispute Resolu...
Attachments: 1. A - Addendum No. 1, 2. B - Addendum No. 2, 3. C - Bid Summary, 4. D - Shimmick Bid Extension Letter, 5. E - Cash Flow Analysis, 6. Executed Contract No. 5048/CIP No. 36105028 (77126)
Related files: 16-0629, 17-0725, 19-1702, 20-0914, 21-1180, 21-1790, 22-2031
Title
Department of Transportation recommending the Board take the following actions pertaining to the Mosquito Road Bridge at South Fork American River - Bridge Replacement Project, Capital Improvement Program project number 77126/36105028, Contract 5084, with an estimated total construction phase cost of $93,001,334:
1) Award the Construction Contract to Shimmick Construction Company, Inc., who was the lowest responsive, responsible bidder who has agreed to extend the bid award time period;
2) Approve and authorize the Chair to sign the Construction Contract, subject to review and approval by County Counsel and Risk Management;
3) Authorize the Director of Transportation to sign an Escrow Agreement, if requested by the Contractor and in accordance with Public Contract Code Section 22300, for the purpose of holding Contract retention funds; and
4) Authorize the Director of Transportation to sign the Dispute Resolution Board Agreement with the Contractor, the County, and the Dispute Resolution Board Members for the purpose of assisting in the resolution of disputes and/or potential claims upon final Board award approval.

FUNDING: Highway Bridge Program Funds (99.9%) and Sacramento Municipal Utility District Funds (0.1%). (Federal and Local Funds)
Body
DISCUSSION/BACKGROUND
The Mosquito Road Bridge at South Fork American River Project (Project) will replace the existing Mosquito Road Bridge with a segmental cast in place box girder bridge over 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. The Project duration is 700 working days and is anticipated to be complete by spring 2025....

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