Opportunity
SAM #140P2026R0072
Conzelman Road Repair and Retaining Wall Construction at Golden Gate National Recreation Area
Buyer
NPS DSC Contracting Services Division
Posted
April 24, 2026
Respond By
May 29, 2026
Identifier
140P2026R0072
NAICS
237990, 237310, 238110
The Department of the Interior, National Park Service, Denver Service Center is seeking contractors for a major road repair project at Golden Gate National Recreation Area in Marin County, California. - Government Buyer: - Department of the Interior, National Park Service, Denver Service Center, Contracting Services Division - Contracting office located at 1 Denver Federal Center, Building 50, Denver, CO - Project Scope: - Repair of Conzelman Road, referenced as GOGA 336173 - Construction of a concrete retaining wall with deep pile foundations - Installation of a steel bridge rail affixed to the top of the wall - Adjustment of existing steel guardrail - Protective measures for sensitive resources in the area - Products/Services Requested: - Highway and bridge construction services - No specific OEMs, vendors, or part numbers identified - Notable Requirements: - Project addresses coastal erosion threatening the roadway - Performance and payment bonds are required - Anticipated as a Firm-Fixed-Price contract - Estimated contract value between $1 million and $5 million - Competitive acquisition expected - Place of Performance: - Golden Gate National Recreation Area, Marin County, California - Period of Performance: - 180 calendar days for construction completion - All technical specifications and line items are referenced in the attached documents
Description
GOGA 336173 - Repair Conzelman Rd