Bid Requests


Requesting Project Assistance from SBE/MBE/WBE and Other Business Enterprises:

DMZ Builders is bidding the following project as a Prime Contractor and is seeking subcontractors and vendors to assist with the project by submitting quotes for their trades or products.


Project:  D4 Battery Electric Bus Infrastructure – Civil Improvements

Contract: 2023-1607

Owner:  Alameda – Contra Costa Transit District (AC Transit)

Bid Date:  June 14, 2023 @ 2:00pm


Services Needed:

Trucking, Concrete Flatwork, Concrete Pavement, Concrete Reinforcing, Pavement Markings, Chain Link Fence, Erosion Control, Exterior Lighting

Plans and specifications are available to interested firms via AC Transit’s on-line procurement portal or can be viewed at DMZ Builders Concord, CA office by contacting the DMZ office to make an appointment.

DMZ Builders is a union contractor.  Subcontractors must provide their active CSLB license number and DIR registration number with their quote.  Subcontractors will be required to execute DMZ Builders standard subcontract terms and conditions, available for review upon request, and meet insurance requirements, including waiver of subrogation.  Subcontractors, at DMZ’s discretion, may be required to provide payment and performance bonds for 100% of the subcontract value.  DMZ will reimburse bond premium at actual cost, not to exceed 2.0%.  The project requires paying prevailing wages and submitting certified payrolls.  All subcontractors must sign BART’s project stabilization agreement prior to participating in the project.

For assistance in obtaining bonding, lines of credit, insurance, equipment, supplies and materials, technical assistance, or any other coordination required for the project, please contact Jeremiah Kent by phone at (925) 826-5387, by fax at (925) 826-5766, or by e-mail at  DMZ will work with interested subcontractors and suppliers to identify opportunities to divide the work into economically feasible packages and intends to cooperate with all qualified firms seeking work on the project.


DMZ Builders

4070 Nelson Ave, Ste. A

Concord, CA   94520

Phone (925) 826-5387 – Fax (925) 826-5766

An Equal Opportunity Employer

DMZ BUILDERS - D4 Battery Electric Bus Infrastructure – Civil Improvements

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