Dirt and Aggregate Interchange, Inc.

Requesting sub-bids from the following qualified firms: DBE for the following project.

Remove and Install Guardrails and Construct Concrete Barriers

Project Information

Bid Date: 01/24/2023 - 2:00 PM

DBE Proposal Due Date: 01/20/2023 - 5:00 PM

Owner (Agency): Caltrans

Number (Agency): 04-0J4804

County: San Francisco / Marin / San Mateo / Contra Costa / Alameda

Location: Contra Costa CA - Various Locations

Contact Information

Name: Nichole Stern

Phone: 503-661-5093

Fax: 503-669-1192

Website: n/a

Address: 20905 Northeast Sandy Boulevard, Fairview, OR, USA

Advertised DBE Scope of Work

Lead Compliance Plan, Level 2 Critical Path Method Schedule, Construction Area Signs, Traffic Control System, Stationary Impact Attenuator Vehicle, Channelizer (Surface Mounted), Temporary Barrier System, Portable Changeable Message Sign, Alternative Temporary Crash Cushion Tl-3, Temporary Radar Speed Feedback Sign System, Prepare Storm Water Pollution Prevention Plan, Rain Even Action Plan, Storm Water Sampling and Analysis Day, Storm Water Annual Report, Temporary Cover, Temporary Drainage Inlet Protection, Temporary Fiber Roll, Temporary Gravel Bag Berm, Temporary Construction Entrance, Street Sweeping, Temporary Concrete Washout, Remove Concrete, Remove Concrete (Vegetation Control), Clearing and Grubbing, Roadway Excavation, Ditch Excavation, Imported Borrow (CY), Check and Test Existing Irrigation Facilities, Remove Irrigation Facility, Certify Existing Backflow Preventers, Move-In/Move-Out (Erosion Control), Hydromulch, Compost (CY), Incorporate Materials, Rapid Strength Concrete Base, Hot Mix Asphalt (Type A), Place Hot Mix Asphalt Dike (Type C), Place Hot Mix Asphalt Dike (Type F), Place Hot Mix Asphalt (Miscellaneous Area), Remove Asphalt Concrete Dike, Structural Concrete Drainage Inlet, Remove Retaining Wall (Portion), 18” Alternative Pipe Culvert, Concrete Backfill (Pipe Trench), Trash Net (Downdrain). 18” Reinforced Concrete Pipe, 12” Corrugated Steel Pipe Downdrain (.079” Thick), 18” Corrugated Steel Pipe Downdrain (.079” Thick), 12” Entrance Taper, 18” Entrance Taper, 12” Anchor Assembly, Remove Entrance Taper, Remove Culvert, Remove Downdrain, Remove Inlet, Modify Inlet, Concrete (Ditch Lining), Concrete (Concrete Apron), Rock Slope Protection (60 LB, Class II, Method B), Rock Slope Protection Fabric (Class 8), Remove Concrete (Curb and Gutter) Miscellaneous Iron and Steel, Guard Railing Delineator, Object Marker (Type P), Object Marker (Type R), Object Marker (Type L-1), Remove Roadside Sign, Remove Roadside Sign (Strap and Saddle Bracket Method), Relocate Roadside Sign, Furnish Single Sheet Aluminum Sign (0.063” – Unframed), Furnish Single Sheet Aluminum Sign (0.080” – Unframed), Furnish Single Sheet Aluminum Sign (0.063” – Framed), Furnish Single Sheet Aluminum Sign (0.080” – Framed), Roadside Sign – One Post, Roadside Sign – Two Post, Install Sign (Strap and Saddle Bracket Method), Install Roadside Sign Panel on Existing Post, Concrete Barrier (Type 60MC), Concrete Barrier (Type 60MSC), Concrete Barrier (Type 836B), Concrete Barrier Transition, Remove Concrete Barrier, 6” Thermoplastic Traffic Stripe (Enhanced Wet Night Visibility), Maintaining Existing Traffic Management System Elements During Construction, Modifying Camera Systems, Modifying Lighting Systems, and Modifying Traffic Monitoring Stations .

Where to find the plans & specs?

Dirt and Aggregate Interchange, Inc. (D&A) is a union signatory contractor. Subcontractors must have a current contractor’s license, and insurance coverage that meets D&A's requirements. Plans and Specifications are available for viewing at D&A's office located at 20905 NE Sandy Blvd., Fairview, OR 97024 or by viewing at http://ppmoe.dot.ca.gov/des/oe/weekly-ads/all-adv-projects.php. D&A is an equal opportunity employer. Assistance, such as bonding, insurance and/or necessary supplies, equipment and materials is available. DBE/UDBE/SBE/DVBE contractors are encouraged to submit quotations.