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• • MARION COUNTY BUILDING INSPECTION f ' Ill. ' • • 3150 Lancaster Dr.N.E.•Suite C*Saiem,Oregon.97305-1398 • • Office Hours:8:00-4:30 •-Phone:(503)588-5147 • 24-HR Inspection Line:(503)373-4427 AUTHORIZATION/ALTERATION PERMIT DATE/TIME . : G8/25/97 14:26 PERMIT NO : 97-85972 . • 4.4.TYPE • : SP• . • STATUS : ISSUED • • # OCCEIPANG'r' : R-3 . ISSUED : 68/25/1997 - . TO EXPIRE :' 88/25/1998 • PAGE ' . 2 . AUTHORIZATION/ALTERATION PERMIT This Authorization Notice is..for an inspection of the existing septic system for a RESIDENTIAL -building. An inspection determined that it did not appear adequate• to serve the purpose proposed. Based on the results of this study,' site approval has been granted for the installation of a •new system. .This approval is site specific and must be installed according to the following sperifications.and the attached site.plan. . . . . Soils In the approved area shall not be altered or modified by cutting, filling, or other activities Which would impede the successful operation of the septic system. Observe all required setback/separation distances during the installation •of the system. . : - Keep this document with your records. Give a copy of this permit to the septic system installer prior to the installation of..the system. Any deviation from the approved •plan . must have prior- approval from this office.. . ,. :. - . • • The following construction specifica#:i+ins shall apply to the installation of the septic system: TYPE OF REPLACEMENT SYSTEM: SAND FILTER ' •. MINIMUM SEPTIC TANK. CAPACITY: 1000•GALLONS . • • LINEAL FEET OF DRAINFIELD; 150' • • TYPE OF DISTRIBUTION: EQUAL . DISPOSAL TRENCH DEPTH: 12INCHES, MINIMUM; 12INCHES, MAXIMUM • ' • • TOTAL DRAIN.MEDIA DEPTH: 12INCHES DRAIN. MEDIA UNDER PIPE: 6INCHES . MINIMUM SOIL BACKFILL: 10INCHES . • GROUNDWATER INTERCEPTOR: N • The disposal trenches are constructed two (2) feet wide and on minimum ten (10) foot centers and with no line' exceeding 125 feet in length. The trenches and perforated • • pipe are installed level(+/-.one inch) and contoured to follow the natural ground surface. . . . COMMENTS AND CONDITIONS • 1. THIS SEPTIC REVIEW WAS COMPLETED BY LEE GRIMES ON AUGUST 22, 1997. .SOIL CONDITIONS AT THE TEST PITS ARE MARGINAL TO CON- . • SIDER. AN ALTERNATIVE SAND FILTER. SYSTEM PLUS A FULL CAPPING FILL. NOT THE SAND FILTER/CAPPING FILL .SYSTEM MUST BE CON • - • STRUCTED •DURING THE DRY SOIL SUMMER SEASON. THE OLD SYSTEM MUSTIBE PUMPED AND PROPERLY ABANDONED. USE CARE NOT TO ALTER • THE NATURAL TOPSOIL WITH IN THE DRAINFIELD SITE PRIOR TO IN- ' - • STAI.LATION. OBSERVE ALL USUAL SETBACK AND SEPARATION DIS- : • TANCES. THE FILTER BASE WILL PROBABLY BE RAISED TO PROVIDE . GRAVITY FLOW TO THE SHALLOW DRAINLINES. • • . 2.: The attached ORANGE CARD must be posted at the county road. 3. .For a SAND FILTER SYSTEM see the attached. "Sand Filter .System Requirements for Flans". Sand Filter design and construction is very detailed and .a DER licensed contractor -.. • or consultant is recommended to. assist'with preparation of. • • ' plans. See the attached list for consultants. The system • shall be designed and operated as per OAR 340-71-299 through • 305. Two sets of detailed plans for -the installation of the . .sand filter system must be submitted at the time application - 'is made for the permit to install the system. If a site-% • built concrete box is• used as the sand filter container, a - separate building permit is -also required. ' 4. A cappin�g. fill drainfield is required in conjunction with • the septic system approval. See..th•e attached "Capping Fill" information sheet for. instructions. . 5. CAPPING FILL SYSTEMS shall be constructed between June 1 and October 1 or during such times when building Inspection • • . r .