OAR 340-052-0020: Performance Requirements and Guidelines for Technical Review

(1) The Department may use as guidelines any and all available and pertinent technical sources in reviewing plans including, but not limited to, published journals of such organizations as the Water Pollution Control Federation (W.P.C.F.), and the American Society of Civil Engineers (A.S.C.E.), technical reports, like type plant performance data, pilot plant performance data, textbooks on waste water treatment and other recommended standards as they are published. (2) The Department shall evaluate the degree of reliability and flexibility the system may have to operate as designed, considering component breakdown likelihood, waste water quantity and strength variations, alternate modes of operation, permit requirements, water quality needs and minimum design criteria for treatment and control of wastes in the statewide Water Quality Management Plan (OAR 340, division 41). (3) Sewerage systems except those wholly designed for industrial wastes shall be technically evaluated in conformance with minimum Requirements and Guidelines of the Appendices. The Requirements are mandatory. The Guidelines side of these appendices contain minimum design recommendations and are intended to supplement and implement the mandatory Requirements. (4) Designs shall conform to rules of the Department including but not limited to water, air, noise and solid waste. [NOTE: Referenced documents not linked to below are available from the agency.] [ED. NOTE: To view attachments referenced in rule text, click here to view rule.]