Description
The City of Albany is soliciting bids from qualified contractors experienced in high-pressure natural gas pipeline construction and maintenance to replace an existing 8-inch high pressure plug valve with a new 8-inch welded, maintenance-free ball valve. The project requires installing the new valve while maintaining system integrity by performing hot tapping and stopping operations. Key services include utility coordination, traffic control, saw cutting, excavation, trench safety, dewatering, and restoration of the work area. The contractor must demonstrate experience performing work on high-pressure natural gas transmission or distribution systems, including welded steel pipeline installations, hot tapping, stopping, pressure testing, and valve replacement.
• Utility coordination and Georgia 811 notification prior to excavation
• Traffic control in accordance with the Manual on Uniform Traffic Control Devices (MUTCD) and all applicable state and local requirements
• Saw cutting, excavation, trench safety, dewatering (if required), and restoration of the work area
• Installation of City-furnished 8-inch control fittings, piping, valve, and associated appurtenances
• Fabrication and welding of the replacement valve assembly
• Pressure testing of the completed installation in accordance with applicable natural gas industry standards and the City's specifications
• Performing all required hot tapping and stopping operations necessary to maintain gas service during valve replacement
• Removal and abandonment of the existing valve in accordance with the project specifications
• Leak testing, coating/wrapping of exposed steel piping and fittings, and installation of the new valve box
• Backfilling, compaction, and restoration of the roadway to equal or better than existing conditions
• Disposal of all waste materials generated during construction