To: Board of Supervisors
From: Public Works
Agenda Section: Consent
SUBJECT:
title
Dinner Creek Culvert Replacement Project; Agreement Number P1610515; Contract Number 211304
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RECOMMENDATION(S):
Recommendation
That the Board of Supervisors:
1. Ratify the Director of Public Works to sign Contract Change Order Number 1 for the total amount of $15,350.00;
2. Ratify the Director of Public Works to sign Contract Change Order Number 2 for the total amount of $75,068.15;
3. Accept the completed contract, including all change orders approved by the Public Works Department, between GR Wilcox Enterprises, Inc., and Humboldt County for construction of Dinner Creek Culvert Replacement Project; and
4. Approve the final claim for payment, as submitted by the Public Works Department to the Auditor/Controller, in the amount of $39,631.10, which will bring the total amount paid to 100 percent of the contract.
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SOURCE OF FUNDING:
Road Fund (1200); SB-271 Grant from California Department of Fish & Wildlife; Fish and Wildlife Assistance Grant from U.S. Fish and Wildlife Service
DISCUSSION:
This project removed two fish migration barrier culverts and replaced them with simulated stream channel culverts that will both convey high volume storm flows and accommodate fish passage at low volume flows. The work included in-channel excavation and placement of rocks and woody debris to create and maintain fish habitat, along with reconstruction of the roadway embankment, placement and compaction of aggregate base and hot mix asphalt for roadway surfacing, pavement striping, and erosion control. A third fish migration barrier culvert that was initially part of this grant-funded project was replaced under emergency conditions during the spring of 2017, using disaster relief funds provided by the Federal Highway Administration.
On June 27, 2017, the Board of Supervisors authorized execution of a grant agreement with the California Department of Fish and Wildlife...
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