ROTSCHY, INC.
GENERAL CONTRACTOR
RIVER TERRACE NORTH PUMP STATION & FORCE MAIN
         Constructed a new 1,320-gallon per minute duplex pump station that can be expanded to be a 2,640-gallon per minute triplex pump station. Pump Station construction included, but was not limited to, the following: 1) constructing a 12-foot diameter wet well with two 105-horsepower submersible pumps and space for a future third pump; 2) piping and valves for the two pumps installed under this project and the future third pump including a flow meter on the pipe header; 3) constructing a 356-square foot control building made of concrete masonry, wood trusses and a composite roof sitting on a 459-square foot reinforced concrete valve vault; 4) installing a 350-kilowatt (kw) permanent standby generator with base fuel tank and sound attenuation; 5) installing approximately 56 feet of 12-inch diameter ductile iron force main, with pipe and valves for a bypass assembly, and coordinating with others for connection of that force main at the property line to the force main piping located off the pump station site; 6) installing a six foot diameter bypass pumping manhole with approximately 19 feet of 30-inch diameter PVC gravity sanitary sewer and coordinating with others for connection of that gravity sewer at the property line to the gravity sewer located off the pump station site; 7) installing and operating a temporary bypass pumping system and removing it after construction of the project was complete; 8) constructing site improvements including earthwork, fencing, paving, landscaping and irrigation; and 9) performing associated site, mechanical, electrical and instrumentation work.

COMPLETED: MARCH 2017

$1,775,319

LOCATION: TIGARD, OR

OWNER: CLEAN WATER SERVICES

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