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DATE/TIME TYPE 7b SITE EVALUATION APPROVAL : 05/20/98 15:17 APPROVAL NO 9B-O31B7 : SE STATUS APPROVED APPROVED 05/20/1998 PAGE 3 activities such as logging, excavating or filling, driveway placement or any similar activities may also damage the soil in the area and adversely affect the septic system approval. The areas of the initial septic system and the future repair system must both be protected. SAND FILTER systems are installed in soils where a layer that limits the effective soil depth, or a water table is present in the soil profile at a depth much shallower than allowed for a standard system. The sand filter unit ~re-treats the septic tank effluent before it is discharged nto the ground. The drainfield following the sand filter is installed at a very shallow depth and generally includes a capping fill drainfield, See the attached "Sand Filter System Requirements for Plans". Two sets of plans for the system must be submitted at the time of application for the installation permit, A CAPPING FILL ORAINFIELO IS REO~JIREO in conjunction with the septic system approval. See the attached "CAPPING FILL" information sheet for instructions. CAPPING FILL systems are installed in soils where a layer that limits the effective soild depth or a water table is present in the soil profile at a depth shallower than allowed for a standard system, The drainfield is installed a at a very shallow depth and fill is placed over the field to ~rovide the earth cover over the system. CAPPING FILL YSTEMS MAY ONLY BE INSTALLED FROM JUNE 1 AND OCTOBER 1 or during such times when Building Inspection staff f~nds so~l moisture conditions acceptable. See the attached "CAPPING FILL" information sheet for instructions, Fill material must be evenly graded over the drainfield and crowned at the center to shed rainfall, THIS SYSTEM MUST BE INSPECTED AND APPROVED PRIOR TO BACKFILL When work is complete and ready for inspection, call our Automated Inspection Request line at 373-4427 to request an inspection. Enter the numPer "801" for a PRE-COVER inspec- tion. You may leave a message for the inspector if desired, Be sure the System Record form w~th the As-Built drawing ~s on the job or in our office when the inspection is requested An inspection should be completed within seven (7) days.