Special Notice / Hearing: None__
Vote Required: Majority
To: Honorable Board of Supervisors
From: Ann M. Stillman, Interim Director, Department of Public Works
Subject: 60 Inch Culvert Replacement Project at Bear Gulch Road in the San Gregorio Area
[County Project No. RW927; Project File No. E5030]
RECOMMENDATION:
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Adopt a resolution:
A) Adopting the plans and specifications, including conformance with prevailing wage scale requirements, for the 60 Inch Culvert Replacement Project at Bear Gulch Road; and
B) Authorizing the Director of Public Works to call for sealed bids to be received by Thursday, July 7, 2022 at 2:30pm at the office of the County Executive/Clerk of the Board of Supervisors; and
C) Authorizing the Director of Public Works to extend the call for bids and bid opening up to 60 calendar days beyond the time and date originally set forth by the Board of Supervisors.
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BACKGROUND:
The 60 Inch Culvert Replacement Project at Bear Gulch Road (Project) is located on Bear Gulch Road in the San Gregorio area of unincorporated San Mateo County. The existing 60 inch corrugated metal pipe has severely corroded from age and must be removed and replaced.
DISCUSSION:
The Department of Public Works (Department) developed the Project plans and specifications to replace the existing culvert pipe. The improvements will include, in general: excavating the roadway and embankments; installing a temporary clear water bypass system; installing temporary trench shoring; removing the existing pipe and replacing it with a steel reinforced polyethylene pipe by open trench method; lowering the outlet side of the pipe approximately six inches in order to achieve fish passage criterion; installing a concrete headwall to support the roadway and pipe inlet; installing rock dissipators at the pipe outlet; backfilling the pipe; and paving the road with asphalt concrete.
Department staff has determined that this Project qualifies for a Categorical Exemption pursuant to Section 15301(d) of the California Environmental Quality Act (CEQA)
The Department is working with Real Property Services and coordinating with the private property owner(s) to execute a right of entry agreement and will establish an easement after the Project is completed.
Guidelines for Implementation, which provides that repair or minor alteration of existing publicly-owned utilities involving negligible or no expansion of use, is exempt from review.
County Attorney has reviewed and approved the resolution as to form.
FISCAL IMPACT:
The estimated construction cost for the Project is $346,000 and will be funded by Senate Bill (SB1) funds.
There is no impact to the General Fund.