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Clackamas Intertie #2 Diversion

Name: Clackamas Intertie #2 Diversion
Location: Clackmas, OR
Status: Completed
Type: Waste Water Treatment Plants
Owner: Water Environmental Services
Engineer: HDR

The Clackamas Intertie #2 Diversion project consisted of the construction of a new 10 mgd (dry well – wet well) pump station located along Johnson Road. This pump station included: four raw water submersible sewer pumps, two submersible sump pumps, associated variable speed drives, switchgear, standby power generator, transformers, electrical, HVAC, instrumentation and control equipment, odor control equipment, fire protection, building and yard piping work, flow monitoring equipment, pigging station, air and valve vaults, storm water, excavation, shoring, bracing, dewatering, landscaping, and other earthwork and sitework.

Additional work consisted of the construction of a new diversion structure and a flow monitoring manhole on the Mt. Scott Interceptor including excavation, shoring, bracing, dewatering, concrete and rebar work, flow monitoring, and slide gate equipment, electrical, instrumentation along with a new diversion pipeline from diversion structure to the Intertie 2 Pump Station. Work included excavation, shoring dewatering, sewer pipe, odor pipe and conduit installation, manhole installation, backfilling, resurfacing and all other work necessary to finalize this project.

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