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APPLICANT~ SITE NU~B~R~ 1993 JOHN M. 93-2719 your site has been found suitable for a SAND FILTER ALTERNATIVE S~WAGE DISPOSAL SYSTEM. The following eon~tr~ction specifications shall apply to the installation of your septic system. 1. The septic tank shall have a minimum liquid sapacity of ~00 gallons. 2. The projected daily sewage flow for this prmpeOt is calculated at ~,50 oallena Der ~a~. Based on SOil conditions observed on this site, the disposal field will be sized at 45 lineal feet oar 150 uallo~s of projected daily sewage flow. A minimum of ,~35 ~ineal ~ of disposal field will be re~aired for your proposed develop- men=. The di~sal tre~hes are construe=ed two (2) fee= wid~ and On minimum ~en (10) ~0~ can%mrs and with no lin~ exceeding 125 feet in len~h. The tNenches and ~rforated pips are installed level (Xl-} and contoured to foll~ the natural ground surfac~. 3. The disuse[ field sha~l be constructed with a~is~butio with a minimum trench depth of 12 inFh~,g and a maximum trench depth of ~,2 inchep, There must be at least ~6 ing~e~ of backfill over the toD Of th~ ~av~l. ~asurad from the natural ground surfaoe. The sand fil~ef system shall be ~e~igned and operated as per OAR 340-71-290 through 340-71-305. Detailed ~lans for the ~y~tem mus~ be submitted prier to ~e~mit is~uance. A b~ilGing permit i~ required if a site built concrete box i~ used as the sand filter container. A pamphlet i~ available in our o£fioe which d~tails the require~ent~ for a aa~d filter system. An effluent kift pump may be necessary to construct the disposal field in the approved area and at the correct depth. A capping fill is r~quired with this system. The system shall be constructed as indicated on the attached 0apping Fill construction detail sheet. This approval is site specific to the area tested and the septic system must be located in the immediate area ef the test pits unless otherwise autho- ~£z~d by this office. A new si~e evaluation may b~ required if the system is propose~ for a different area on the property. Construct the drainfields within th~ immediate area Of the soil test pits on the highest land~orm possibls. AvOid co,save surface~. A pre- construction stakeout tO conf~rm the locations and elevations of the individual dralnfield lines o~ both drainfields is recommended p~ior to sitin~ a~y well~. Refer to ~he stakeout procedure and the setback list for details to complete the ~takeo~t. Note, the dry ~oil Su~er season requirement for the capping fill Dart of the installation. ~HI~ 15 NOT,A PE~T TO IN~T~LL, TH~ SEP~ SYST~W. DO NOT INSTALL THE S~$~ '0NTXL A VA-~.,RE~I~ITI~$ BEEN XSSU~ BY,'~ OFFXCE~