Hazen Reservoir

Enumclaw Wastewater Treatment Facility Expansion
April 28, 2017
Fire Station #2 Renovation
April 28, 2017
Location: Renton, Washington

This project involved the construction of a 4.2-million-gallon welded steel tank; site work, including excavation, grading, construction of a detention pond, reservoir access road, landscaping and site fencing; utilities, including storm water conveyance system, control valve vault, flow meter vault, 16-inch-diameter water main and 12-inch-diameter water main; electrical power and controls; electrical building; and the installation of an altitude valve and flowmeter in a vault at the City of Renton’s Highlands Reservoir. The estimated construction cost is $5.4 million.

ORA’s scope of work included testing and inspection of the following items:
  • Structural steel (including radiographic testing)
  • Soil compaction
  • Reinforcing steel
  • Reinforced concrete