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.
o 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.

Engineer's Estimate: $6,217,000

W.E. LYONS CONSTRUCTION COMPANY, as a Prime Contractor, is requesting quotes from all qualified sub-contractors and suppliers, including quotes from certified/qualified MBE, WBE, OBE, SBE, LBE, and DVBE sub-contractors, for the Project advertised as: CONTRA COSTA COUNTY DEMOLITION OF OLD JUVENILE HALL (Project #WW1065), for the following items of work, including, but not limited to: survey, demolition, abatement, structural concrete, site concrete, shotcrete, structural steel & misc. metals, plumbing, mechanical, electrical, grading, site utilities, chain link fencing, piles/shoring, and landscaping.

PLEASE NOTE: W.E. Lyons Construction Company requests sub bids BEFORE 2:00 PM ON WEDNESDAY, DECEMBER 3, 2025, to allow ample time for review.

PLEASE SUBMIT PROPOSALS BY EMAIL TO: estimating@welyons.com.

Questions may be submitted to Bryan Dissman at (510) 719-1338 or email at: bdissman@welyons.com. Please click on above link to view Outreach Advertisement for more details.

W.E. Lyons Construction Company is an Equal Opportunity Employer