Ygnacio Valley Library Upgrades

The project includes the demolition of the existing rooftop HVAC system and full system replacement with an all-electric HVAC system. This project also includes the replacement of the roofing system, electrical upgrades including new switchgear, and lighting upgrades in the main library floor.

Order hard copies for this entire project for $300.00

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Details

Specs

Plan Holders

Status

Accepting Bids

Prebid Date	9/22/25 2:00pm
Bid Date	10/29/25 2:00pm

Company & Contacts

Contra Costa County Public Works Department

Jae Lee

925-655-3120

Jae.Lee@pw.cccounty.us

Location

Contra Costa County, CA

Reference

03_Division A_20250911.pdf

YVL Bid Process Schedule 2025 09 10.pdf

The estimated construction contract cost (Base bid) is $3,508,671.

A pre-bid conference will be held virtually on Monday, September 22 2025 at 2:00 p.m via MS Teams. Please click the link below for access:

https://teams.microsoft.com/l/meetup-join/19%3ameeting_MGZmZWE2MmYtYmZjOC00YjQ1LWIzYTktNDE1YjdmMzMwZWFm%40thread.v2/0?context=%7b%22Tid%22%3a%22d0a0f47c-34a1-477c-95d1-7f1d945fbe44%22%2c%22Oid%22%3a%22158e0a85-4494-4e40-9ea9-e37abec33f3e%22%7d

Meeting ID: 270 110 254 352 1

Passcode: eR2HT353

Discussion will cover recommended outreach efforts, resources and any other subjects of interest to attendees.

The on-site visit will be open for inspection by bidders on Monday, September 29, 2025 at 1pm. The inspection tour will be conducted on this date by a representative of the County's Capital Projects Management Division. The tour will begin promptly at 1:00 p.m., starting at the building’s main lobby.