Cedar River Water Treatment Facility

John L. O’Brien Building Renovation
April 28, 2017
Enumclaw Wastewater Treatment Facility Expansion
April 28, 2017
Location: Renton, Washington

This project involved construction of a $40 million water treatment facility which includes an operations building that houses the main control room, analytical laboratory, offices, workroom, and lockers; a new intake structure and pump station; an ozone generation and injection facility; an Ultraviolet Light (UV) disinfection facility; and two pre-stressed concrete clearwells.

ORA was engaged to develop a comprehensive quality control plan and provide onsite quality control as well as testing and inspection services for the following elements:
  • Soil compaction
  • Reinforced masonry
  • Reinforced concrete
  • Seismic cable sets installation
  • Pre-stressing of vertical threadbars and circumferential strands
  • Pre-stressed threadbars and strands placing
  • Shotcrete
  • Epoxy grouting
  • Grout testing
  • Non-shrink grout placing
  • Anchor bolt installation in concrete
  • Structural steel fabrication and erection
  • Nondestructive testing of welds