Algonquin Gas Transmission, LLC E-1 System Regulation Project Update

Strategic Insights -

Algonquin Gas Transmission, LLC is making progress on the E-1 System Regulation project in the Town of Coventry, Tolland County, Connecticut. The project involves installing regulation equipment at the head of the E-System to prevent the need for pressure reduction on the mainline during maintenance on E-1 or E-1L lateral lines. The work includes installing a prefabricated shelter, prefabricated concrete Regulator Building, interconnecting piping, electrical, instrumentation, and communication wire, as well as access road and culvert improvements, and replacement of a 30-inch valve.

Key Takeaways:

  • The project is currently at 100% completion for various construction activities, including mobilization, site prep, environmental controls, dewatering infrastructure, and temporary fencing.
  • All mechanical and piping installation, structure and steel, cathodic protection, electrical, coating/painting/insulation, pressure testing, instrumentation and controls, retirement/abandonment, temporary restoration/clean-up, and final mechanical have reached 100% completion.
  • Revegetation/ECD removal is 66% complete.
  • Upcoming activities for the next reporting period include monitoring erosion control devices, removing SES Cs, and monitoring revegetation progress.

Statistics:

  • 100% completion for various construction activities, including mobilization, site prep, environmental controls, dewatering infrastructure, and temporary fencing.
  • 100% completion for mechanical and piping installation, structure and steel, cathodic protection, electrical, coating/painting/insulation, pressure testing, instrumentation and controls, retirement/abandonment, temporary restoration/clean-up, and final mechanical.
  • 66% completion for revegetation/ECD removal.
  • The project is installing regulation equipment at the head of the E-System to prevent the need for pressure reduction on the mainline when maintenance occurs on E-1 or E-1L lateral lines.
  • The work will involve installing a prefabricated shelter, prefabricated concrete Regulator Building, interconnecting piping, electrical, instrumentation, and communication wire, as well as access road and culvert improvements, and replacement of a 30-inch valve.

Sources:

  • Algonquin Gas Transmission, LLC, "E-1 System Regulator Installation Project, Docket No. CP24-21-000 Report No. 40."
  • Federal Energy Regulatory Commission, Environmental Assessment in the above-referenced docket.