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Septic Permit.�{ 555-20-004636-PRMT Page 2 of 4 �tB; Cij GSSUP..Ei 7/ibti d20 j d 4'} ag 53 6 hd d a rf` d„ r by ,�5 d f }r Work Qescription �4 AJ R PM . QR EXIST 3 BDf M RES 1 f ' 3 4 l ".. "�..a ..,. r � '14i*� �dd �r41t I#I rIS A [7tCbt if a� � . :: �9 �' ,.., iakt,��, s,;; • ONSITE WASTEWATER TREATMENT SYSTEM With SEEPAGE BED AND ATT TREATMENT A SEEPAGE BED is required for this system. The bed must consist of a 15*20 ft or a 300 ft2 gravel area at a depth of 24-30 inches.Please see attached map for approved area. The bed must contain drain media at least 12 inches deep with at least 6 inches of media under the pressure distribution laterals,and sufficient media above the laterals to meet or cover the orifice shields to provide a smooth,even cover. Pressurized distribution piping must be horizontally spaced not more than 4 feet apart and not more than 2 feet away from the walls of the seepage bed. The top of the drain media must be covered with filter fabric or other non-degradable material.There must be sweeps at the end of each line to allow for cleaning and maintenance.Lateral piping orifices will need to be drilled at 1/8 of an inch,and must be spaced at 24 inches apart. SERVICE CONTRACTS: The owner of an ATT system and a seepage bed per OAR 340 must maintain a service contract with a maintenance provider certified by the manufacturer to service and maintain the onsite system. A service contract must be entered into before the permit is issued and must be maintained until the system is decommissioned. The service contract must provide for a minimum of four inspections and service visits by a maintenance provider scheduled once every six months over a two-year period to inspect,adjust,and service the ATT. The maintenance provider must submit an annual report and fee. Please review OAR 340-071-0345 for full requirements. AN EFFLUENT LIFT PUMP WILL BE REOUIRED to install the septic system disposal field in the approved area and at the required depth. Detailed instructions for dosing tank/effluent pump installations are available in our office. The electrical wiring to the pump and alarm must be installed in accordance with the appropriate Electrical Code. The electrical work must be done under a Marion County Electrical Permit and must be inspected and approved by a Marion County Electrical Inspector. The work must be left uncovered and accessible for inspection. The electrical inspection includes the connections to the pump and alarm in the dosing tank,the wiring in the trench and the connections in the structure. Please provide an installation plot plan,an operation and maintenance agreement and a materials list so that an installation repair permit can be issued. 9/6/23:8:51:40AM ONS_OnsiteCSCjr