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a minimum of 6 inches under laterals and enough media to cover orifice caps, 1/8tt' inch orifices are to be drilled every 24 inches and must be covered with orifice caps. Laterals will need to be 4 ft on center and not more than 2 ft away from the seepage bed sidewall, must have atleast 2 laterals. An anti siphon valve will need to be installed. The owner of a Pressurized Distribution System must maintain a service contract with a licensed and certified professional to service and maintain the onsite system. -A service contract must be entered into before a certificate of satisfactory completion is issued and must be maintained until the system is decommissioned. AN EFFLUENT LIFT PUMP WILL BE REQUIRED 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. PRESSURIZED DISTRIBUTION systems are installed in soils with excessive amounts of sand and gravel in the soil profile. Pressurized distribution systems are limited to sites with residential strength wastewater. A minimum 5-foot squirt height is required at the remotest orifice, and no more than a 10% difference in squirt height is allowed from the nearest to the remotest orifice in each line. Where to qo from here: Please submit a detailed plot plan and materials list. A guide to pressurized distribution systems and an example schematic has been included for your convenience. This is not a permit, a permit will be issued when all required information has been submitted and approved Please contact me if you have any questions or concerns. Sincerely, 4,,40,1dia Kimberlee A Aldrich EH-W 10147892 Marion County Onsite Septic Inspector Cc: Oregon Sewer and Drain 5155 Silverton Road NE•Salem,OR 97305-3802• www.co.marion.or.us Printed on recycled paper• Reduce—Reuse—Recycle-Recover