Project Information

Bid Title

Old Juvenile Hall Demolition

Issuing Agency

Contra Costa County

Location

California

Published Date

Oct 8, 2025

Closing Date

Dec 3, 2025

Government Level

State & Local

Status

Closed

Original Source

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Bid Inquiries

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Bid Documents

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Project Description

Old Juvenile Hall Demolition

Order Remove Order hard copies for this entire project for $250.00

Details

Plans

Specs

Plan Holders

StatusAccepting Bids

Prebid Date	10/21/25 11:00am
Bid Date	12/3/25 2:00pm

Company & Contacts

Contra Costa County

Margaret Thorp

925-812-7484

margaret.thorp@pw.cccounty.us

Location

Public Works Department Conference Room G in BLDG 500, 255 Glacier Drive, Martinez, California

Reference

NTC.pdf

The project includes two phases:

Phase 1 - Provide security fencing along the perimeter of the scope of work area. - Installation of new temporary contractor laydown area. - Installation of H-piles to support existing walls and new concrete retaining walls. - Infill existing windows at stairwells to remain. - Installation of new steel for fence truss support and new chain link fence at new concrete wall. - Installation of the new emergency generator, concrete pad, chain link enclosure, conduits, feeders, panels, etc. Provide a fully functioning emergency generator power connection into the electrical panel in the Monticello basement. - Installation of new concrete/chain link security wall at play yard east. Installation of chain link security fencing at basketball court area north and east sides. - Removal and abatement of all hazardous materials indicated on the contract documents and hazardous reports provided by owner.

Phase 2 - Removal of existing emergency generator, chain link enclosure, and all remaining electrical elements between the existing generator and the new generator locations. - All other demolition or new construction activities indicated on the contract documents include: o The demolition and removal of the old juvenile hall, boys’ and girls’ wings, classroom building and site features shown to be removed. o Removal of existing buildings/footings, concrete security walls, utility tunnels, and other building features defined on the drawings. Removal of all mechanical, electrical, fire alarm, fire sprinklers, and plumbing elements within the building. o Removal of all site utilities shown to be removed to their point of connection. Cap utility connections at their source. o Removal of hardscape materials, trees, shrubs, fencing, concrete walls, security fencing & enclosures. - Install new storm drains and drop inlets. - Backfill trenches to 90% compaction. Provide as-built drawings of all underground utilities removed. - Import engineered fill and grading per documents - Install new irrigation system, landscaping, and hydroseed site per contract documents.

The estimated construction contract cost (Base bid) is $6,217,000.00, including a $200,000 owner’s contingency.

A pre-bid conference will be held on October 21, 2025 at 11:00 a.m., at the Training Center, 100 Glacier Dr., Martinez, CA 94553. Discussion will cover recommended outreach efforts, resources, and any other subjects of interest to attendees. Immediately following the pre-bid conference on October 21, 2025, there will be an in- person Job Site Visit at 202 Glacier Dr., Martinez, CA 94553.

**Because of the restrictive nature of the facilities, the exterior of the buildings and site will only be open for inspection by bidders on October 21, 2025.

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