Biosolids Land Application Project RFP

Description: Sealed bids for the construction of the City of Sisters, Biosolids Land Application Project, addressed to the City Recorder, City of Sisters, Oregon will be received until 2:00 PM local time at City Hall, 520 E. Cascade Avenue, P.O. Box 39, Sisters, Oregon, on December 1, 2026 and then publicly opened and read at 2:00 PM at City Hall, in Sisters, Oregon. Bids shall be clearly labeled: Biosolids Land Application Project. Project includes the pumping, mixing, hauling and application of biosolids from the Sisters Wastewater Treatment Plant (WWTP). Approximately 600,000 gallons of liquid biosolids will be removed from the WWTP lagoon and pumped into tanker trucks. Sufficient lime will be added and mixed with biosolids which will then be transported and applied to the Lazy-Z Irrigation site. Sludge accumulated in ponds 1 and 2 will be removed and disposed of accordingly. The City estimates the cost of improvements at $350,000.