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Septic Site Evaluation 555-19-003957-EVAL Page 5 of 6 P-W A i( (l8tl.{ �J ,fie V1ta v a r(p 10ti i atif i 6DR A SFD $ clean gravel placed over a 4 inch perforated pipe(ASTM Specification F 405, D 2729 or F 810). Gravel must be placed a minimum of 2 inches under the pipe. The gravel must be covered with filter fabric. Outlet pipe must be rigid,smooth-wall, solid PVC pipe meeting or exceeding ASTM Standard D-3034. The outlet must be fitted with a flap gate or rodent guard. The curtain drain must be located at least 10 feet up slope from the disposal field and must discharge through a watertight non-perforated pipe beside or below the disposal field. A minimum separation of 10 feet is required from the septic tank if the tank is located up slope of the curtain drain and 5 feet if the tank is located down slope of the curtain drain. DRY SOIL CONDITIONS ARE REQUIRED FOR INSTALLATION (March 1 —October 31).The geographical area in which the property lies is considered a risk to installation during winter months. Soil moisture conditions generally preclude construction of the drainfield in the winter months. A DETAILED SEPTIC SYSTEM STAKEOUT IS REQUIRED prior to the issuance of a septic system installation permit. A scale drawn, detailed site plan must be submitted with the application for the installation permit. The stakeout must be inspected on the property and approved before the permit can be issued. Instructions for the stakeout are attached and are available in our office. Additional Conditions of Site Approval 1. This site is approved for the type of disposal system described above. Peak sewage flow into the system is limited to a maximum of 450 gallons per day, with an average sewage flow of not more than 225 gallons per day. This is normally sufficient to serve a residence with 4 (four) bedrooms. Premature failure of the treatment system may occur if either of these flow quantities is exceeded. If, for some reason, you expect your water use may exceed these flows, it may be advisable to increase the size of the treatment system. 2. Any alteration of natural soil conditions (i.e. cutting, logging, or filling) in the acceptable area may void this approval. Continued disturbance in the area of the approved test pits is highly discouraged. 3. Both the initial and replacement disposal areas are to be protected from traffic, livestock and farming activities, development or other potential disturbance of natural soil conditions. 4. The area must not be subjected to excessive saturation due to, but not limited to, artificial drainage of ground surfaces, roads, driveways and building down spouts. 5. This approval is given on the basis that the parcel described above will not be further partitioned or subdivided. 6. Placement of a well within 100 feet of the approved areas may invalidate this approval. This site approval is valid until the system approved above is constructed in accordance with a Marion County issued Construction-Installation permit. Technical rule changes shall not invalidate this approval, but may require use of a different kind of system. The site approval runs with the land and will automatically benefit subsequent owners. Next Step—Construction-Installation Permit When you are ready to proceed with system construction,contact our office to get a permit application package. Detailed plans are required for the system prior to the issuance of the permit. Two sets of plans for the system must be submitted at the time of application for the installation permit. The permit must be issued by Marion County before you can start construction. You can find a list of licensed septic system installers on the DEQ web site http://www.deq.state.or.us/wq/onsite/sdssearch.asp . Once the plans are submitted they will be reviewed before the installation permit can be approved and issued. If you believe that an error was made in the evaluation of your property,you may apply for a Site Evaluation Report Review. If you would like to apply for a Variance from one or more of the Onsite Wastewater Treatment and Disposal rules,you may apply for a Variance. Each review will require a fee. If you are interested in either of these actions,please contact Dan CALL BEFORE YOU DIG...ITS THE LAW ATTENTION:Oregon law requires you to follow rules adopted by the Oregon Utility Notification Center. Those rules are set forth by Oregon Administration Rules. You may obtain copies of the rules by calling the center.(Note:The telephone number for the Oregon Utility Notification Center is 1-800-332-2344.) 7/2/19:11:08:13AM Page 5 of 6 ONS_OnsiteEvaluation.pr