Opportunity
BidNet Direct #0000423229
GSWSA Solicits Bids for Conway Parallel Transmission Main Construction in Horry County, SC
Posted
May 08, 2026
Respond By
June 03, 2026
Identifier
0000423229
NAICS
237110, 237990
Grand Strand Water & Sewer Authority (GSWSA) is seeking bids for the construction and installation of the Conway Parallel Transmission Main in Horry County, South Carolina. - Government Buyer: - Grand Strand Water & Sewer Authority (GSWSA), Administrative Center - South Carolina Department of Environmental Services, Bureau of Water - U.S. Army Corps of Engineers, Charleston District (regulatory oversight) - Products & Materials Requested: - Approximately 59,630 feet of 24-inch C900 DR25 PVC transmission water main - 1,350 feet of 24-inch HDPE pipe installed via horizontal directional drilling (HDD) - 36-inch DR25 PVC water main replacement (60-80 feet) - 36-inch steel-cased bore under US 701 S (60-180 feet) - Valves and fittings: 31 air-release valves, 7 blow-off assemblies, 3 36-inch butterfly valves, 18 24-inch butterfly valves, 2 20-inch butterfly valves, line stops, and various bends - Additional construction items: mobilization, bonds and insurance, erosion and sediment control, clearing, seeding, traffic control, unsuitable soils, asphalt/gravel repair - Services Requested: - Complete construction and installation of the water transmission main and all appurtenances - Unique/Notable Requirements: - Compliance with Davis-Bacon Act, Build America Buy America (BABA), and State Revolving Fund (SRF) loan requirements - Good faith efforts to include Disadvantaged Business Enterprises (DBE) - Environmental and historic preservation compliance, including wetland protection, compensatory mitigation, and archaeological monitoring - Strict insurance, bonding (5% bid bond, 100% performance/payment bonds), and certified payroll requirements - Prevailing wage, warranty, and sample submittals required - Liquidated damages of $750 per day for late completion - Local vendor preference may apply - OEMs: - No specific OEMs are named; materials must meet GSWSA standards (e.g., C900 DR25 PVC, HDPE pipe) - Places of Performance & Delivery: - Bull Creek Surface Water Treatment Plant (SWTP) to Conway Reservoir, Horry County, SC - Grand Strand Water & Sewer Treatment facility, Bucksport, Horry County, SC - GSWSA Administrative Center, 166 Jackson Bluff Road, Conway, SC - U.S. Army Corps of Engineers, Charleston District, Conway Regulatory Office, 1949 Industrial Park Road Room 140, Conway, SC
Description
This project involves the installation of approximately 59,630 feet of 24-inch C900 DR25 PVC transmission water main, including a 1,350-foot HDPE horizontal directional drill and necessary appurtenances. The new main will parallel existing transmission mains between the Bull Creek SWTP and the Conway Reservoir in Conway, South Carolina. The contract is funded by a loan from the State Revolving Fund (SRF) and requires compliance with local, state, and federal regulations, including Davis-Bacon and Build America, Buy America provisions. Bidders must also make good faith efforts to include disadvantaged business enterprises (DBE) in the contract and subcontracts.