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Utilities Project Updates

  • Published
  • Updated
  • by City Manager

Update April 2019: Water, Sewer and Storm Projects


Simms Street 24" Water Transmission Main

This project involves installation of a 24" water transmission in Simms Street between 70th Place and 75th Avenue that will connect the central and north branches of the City's water system and allow for better distribution of water from the central branch.

  • Material submittals are currently under review.
  • Work on this project is scheduled to start Mid-April.

2018 Water Main Replacement

Replacement work is nearing completion. Trench patching is being completed at the final trench locations as follows:

  • 63rd Ave east of Nelson Street.

Contractor is also extending an 800 ft. section of 12" water main in 72nd Avenue west of Indiana to the limits of the 72nd/Indiana intersection improvement project for future looping to the west beneath the Farmers Highline Canal.

Denver Water Conduit Pipeline Crossing Relocations

Six Arvada water mains are being relocated around the new 66" diameter conduit being installed by Denver Water in the vicinity of the Ralston Water Treatment Plant.

  • Relocation work is complete on the City's new dual 42" raw water mains crossing the new Denver Water Conduit.
  • Work to relocate the final 42" blue zone water transmission main is underway and expected to be complete by the end of March.


2018/19 Open Cut Sewer Main Replacement

  • Iron Woman Construction has completed work to replace the 8" diameter sanitary sewer in Wolff St. north of 60th Avenue.
  • Work has started to replace the 12" diameter sanitary sewer main in 56th Ave east of Marshall Street.

2018 Trenchless Sewer Main Replacement

The contractor is finishing up final punch list and minor clean up items on various sewer main segments on the project.

Ralston Trunk Sewer Regrade

  • Work to replace the storm sewer in the Flats at Creekside Apartments complex west of Pierce St. just north of Ralston Creek and south of the railroad tracks is now complete.
  • Final cleanup and restoration work remains.


2018 Miscellaneous Drainage Projects

  • Material submittals are currently under review.
  • Work is expected to start by the end of March.

2017 Miscellaneous Drainage Projects

  • Work is complete at all locations except 62nd Ave between Pierce St. and Reed St. 
  • Xcel has moved the electrical line conflicts and the City's contractor is on site to complete the storm sewer installation. 


Tim Hoos, Senior Utilities Engineer at 720-898-7644 or