ITB: Horizontal Directional Drilling St. James Bridge

Contract	ITB: Horizontal Directional Drilling St. James Bridge
Status	Completed
Bids due	2025-08-04
Scope of work	ITB: Horizontal Directional Drilling St. James Bridge Click here to view full document Addendum 1 OVERVIEW Brunswick County is soliciting informal bids for the installation of two (2) horizontal directional drills at 2785 Pinecrest Drive, Southport, NC 28461. On September 16, 2024, Potential Tropical Cyclone #8 made landfall in North Carolina, resulting in significant flash flooding that caused road washouts and exposed or compromised utility infrastructure at multiple locations in Brunswick County. The project includes installing a 6” water line approximately 250 feet in length and a 4” sewer force main approximately 500 feet in length, as well as abandoning an existing 4” force main approximately 150 feet in length. The contractor shall pressure test, flush, chlorinate, perform a bacteriological (BAC-T) test, and connect the new lines to existing infrastructure to ensure full operational integrity and compliance with state regulations while adhering to all Brunswick County specifications and requirements. The existing sewer line shall remain in operation during the installation of the directional drill and will only be shut down for the final connections. The contractor must plan and execute the work to minimize downtime during this process. Brunswick County will handle pumping and hauling operations while the line is offline. SCOPE OF WORK A more detailed Scope of Work includes, but is not necessarily limited to, the following: Insert Install HDPE high-density polyethylene, extra high molecular- weight, PE3408 pressure rated 200PSI, minimum DR-9, as manufactured by Plexco or equal using horizontal directional drilling methods according to the specified length and size above. The contractor shall reconnect using open-cut methods at each end of the directional drill, incorporating all necessary fittings and bends to ensure a complete and secure tie-in to the existing water or sewer line. Mechanical fittings shall be authorized by the manufacturer for use on HDPE and/ or Fusible PVC. The contractor shall pressure test both sewer and water line, chlorinate and perform BAC-T Test on the water line. The contractor shall ensure required NC Division of Environmental and Brunswick County standards for chlorination and bacteriological testing have been met. Work will not be considered complete until passing bacteriological tests have been received. The contractor shall abandon the existing section of sewer force main pipe approximately 150’ of 4” by filling it completely with flowable fill to prevent future collapse or voids. All necessary connections shall be made to ensure a continuous and thorough fill throughout the abandoned section. The contractor is responsible for verifying that the pipe is fully filled and that all work is completed in accordance with applicable regulations and project specifications. The contractor shall establish traffic control during the performance of the work, ensuring measures are in place for safety and all compliance r
Category	Public Utilities
Posted	2025-06-24
Bid posting	Open

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