San Diego County Ivalua #BPM013242

San Diego County Jamacha Force Main and Gravity Main Sewer Improvements – La Presa Phase 1

This opportunity involves the County of San Diego's Jamacha Force Main and Gravity Main Sewer Improvements – La Presa Phase 1 project in Spring Valley. - Government Buyer: - County of San Diego, County Sanitation District - Coordination with State Water Resources Control Board (Division of Drinking Water) and Otay Water District - OEMs and Vendors: - Atlas Technical Consultants LLC (geotechnical investigation) - Black & Veatch Corporation (design input) - Products/Services Requested: - Dual 18-inch high-density polyethylene (HDPE) sewer force mains with fused joints (ASTM F714 HDPE DR-11), quantity: 2 - 16-inch PVC dual force mains, approximately 4,500 linear feet - 18-inch PVC gravity main, approximately 400 linear feet - New manholes, street resurfacing, and traffic loop detector replacements - Geotechnical investigation services (field borings, soil testing, engineering analysis) - Unique/Notable Requirements: - Installation of sewer mains parallel to an existing 10-inch asbestos cement potable water main with reduced horizontal separation (4.8 ft) and increased vertical separation (10.8 ft), per a state-approved waiver - Compliance with water main separation standards, geotechnical and noise guidelines - Restoration of existing access facilities and implementation of best management practices for stormwater - Strict adherence to local, state, and federal regulations - Coordination with multiple local agencies and acquisition of a sewer easement from Sweetwater Authority

Description

This solicitation is for the Jamacha Force Main and Gravity Main Sewer Improvements project in the La Presa neighborhood of San Diego County. The project involves installation and reconstruction of sewer force mains and gravity mains, including easement acquisition and compliance with water main separation standards. Multiple technical documents such as geotechnical investigations, noise guidelines, and water-sewer separation waivers are provided to assist bidders. The solicitation includes a single bid item for the total bid amount.

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