Project Details

Mascaro received the general construction contract for the first phase of a major plant expansion at the Woods Run Wastewater Treatment Plant.  This work will be part of the overall program to increase capacity to 480 million galls per day. Work includes river wall construction, two new final settling tanks with sludge collection systems, a W-3-RAS pumping station, a secondary effluent channel extension, two new chlorine contact tanks, and a chemical building with sodium hypochlorite and sodium bisulfite storage and feed facilities.

  • River and tunnel work
  • Tank and building construction
  • 1,000 linear-foot king pile wall
  • 27,000 cubic yards of concrete
  • 1,480 auger cast piles
  • Chlorine contact building (10,000-square-foot)
  • Chlorine contact tank (38,000-square-foot)
  • Two 150-foot diameter clarifiers
  • 68 rock anchors

Location: Pittsburgh, Pennsylvania

Owner: Allegheny County Sanitary Authority

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Project Characteristics

Concrete, Piling & Shoring, Waterway

Project Characteristics

Concrete