DATE:
August 17, 2022
01
TO:
Board of Supervisors
SUBJECT
Title
ADVERTISE AND AWARD A CONSTRUCTION CONTRACT FOR THE REPAIR AND EXTENSION OF A CULVERT ON MADRID WAY IN SPRING VALLEY (DISTRICT: 4)
Body
OVERVIEW
The County of San Diego's (County) Department of Public Works (DPW) maintains over 18,000 drainage culverts in the unincorporated region. Drainage culverts are buried structures, typically constructed of concrete or metal pipe, that channel water away from structures, such as buildings and roadways. They enhance safety for motorists and protect the County's transportation system from deterioration and costly future repairs. During a DPW Field inspection, staff determined that the existing metal culvert located on Madrid Way in Spring Valley is blocked by concrete, soil, rock, debris, and other materials. Due to corrosion, the culvert is no longer functioning as designed. The blockage can cause flooding on Madrid Way and at the adjacent residence during storm events. Based on inspections and a preliminary engineering evaluation, DPW has determined that this culvert cannot be cleared due to the poor condition of the culvert and must be replaced to remedy the existing wet weather flooding condition. This project will replace the existing culvert through open excavation to mitigate the blockage, add an additional stormwater inlet to capture runoff, and extend the underground culvert pipe to the rear of the residence located on Madrid Way. DPW has included the impacted residential property owner in the design process and has received their concurrence and support for this project as designed.
This is a request to approve the advertisement and subsequent award of a construction contract to the lowest responsive and responsible bidder for the repair and extension of a drainage culvert on Madrid Way in Spring Valley. If approved, construction will be scheduled to begin in fall 2022 and be complete by the end of 2022. The construction cost is estimate...
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