ROTSCHY, INC.
GENERAL CONTRACTOR
PRINEVILLE WASTEWATER SYSTEM IMPROVEMENTS


COMPLETED: JULY 2017 ​​

$5,551,172

LOCATION: PRINEVILLE, OR

OWNER: CITY OF PRINEVILLE
 

        The work for this project consisted of constructing bentonite-lined treatment wetlands and unlined disposal wetlands for the City of Prineville's wastewater system with improvements to the Crooked River riparian area. Work included approximately 360,000 cubic yards (CY) of excavation, 20 control structures, 12 manholes and 14 inlet/outlet structures, single and double waterless restroom facilities, approximately 28,300 feet of walking paths, a visitors center with parking area and access road, approximately 5,500 feet of 15-inch polyvinyl chloride (PVC) sewer pipe and 2,100 feet of 18-inch PVC sewer pipe, approximately 3,800 feet of 12-inch PVC irrigation pipe, approximately 2,900 feet of 8 inch PVC irrigation pipe, approximately 6,800 feet of electrical conduit, approximately 25,000 feet of fencing, two replacement pumps at the existing effluent pump station, the addition of four aeration units to the existing treatment wastewater lagoons, and miscellaneous demolition, improvements, fittings, and other appurtenances. The Crooked River riparian improvements generally consisted of excavating approximately 4,600 feet of new side channel, approximately 14,400 CY of floodplain, and approximately 6,500 CY for a vernal pool. Work for this project included constructing wood bank protection and habitat structures; juniper revetments and tree planting; along with excavation, backfill, and compaction.
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