City of Dallas Bonfire #CIZ-DWU-26 040

Dallas Water Utilities Seeks Trenchless Rehabilitation of 60-Inch Wastewater Pipe

This opportunity involves the City of Dallas Department of Water Utilities seeking proposals for trenchless rehabilitation of a major wastewater pipeline in South Dallas. - Government Buyer: - City of Dallas Department of Water Utilities - Project Scope: - Trenchless rehabilitation of approximately 5,150 linear feet of 60-inch reinforced concrete gravity wastewater pipe (installed in the 1950s) - Route runs from the Trinity River to near the Rochester Stormwater Pump Station - Replacement and rehabilitation of existing steel reinforced concrete manhole structures - Products and Methods: - About 4,790 linear feet to be rehabilitated using Machine Spiral Wound Liner (MSWL) - Approximately 360 linear feet (river crossing) to be rehabilitated using Cured-In-Place Pipe (CIPP) followed by High-Density Polyethylene (HDPE) slip lining - Services Requested: - Pipeline pressure flushing - Concrete testing - Pressure testing for tanks - Unique/Notable Requirements: - Flow control via upstream DWU Sunbeam Diversion Structure - Work spans right-of-ways, FEMA floodway, and levee areas - Extensive documentation for small business enterprise (SBE) participation - Local workforce impact and environmental affidavits required - Detailed project management and safety plans - No specific OEMs or vendors are named in the notice - NIGP commodity codes referenced include resins, sod, manholes, pipeline services, and equipment rental

Description

This project involves the trenchless rehabilitation of approximately 5,150 linear feet of a 60-inch reinforced concrete gravity wastewater pipe from the Trinity River to near the Rochester Stormwater Pump Station in South Dallas. The work includes replacement and rehabilitation of existing steel reinforced concrete manhole structures, with rehabilitation methods including Machine Spiral Wound Liner and CIPP followed by HDPE slip lining. Flow control will be managed using the upstream DWU Sunbeam Diversion Structure, and the pipeline crosses various floodway and levee areas. The project requires compliance with flow control provisions and involves work in multiple right-of-ways and flood control areas.

View original listing