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DATE/TIME TYPE SITE EVALUATION APPROVAL : 04/24/98 09:30 APPROVAL NO 98-01995 : SE STATUS APPROVED APPROVED 04/24/1998 PAGE 3 activities such as lo~ging, 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 pre-treats the septic tank effluent before it is discharged into 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 DRAINFIELD IS REQUIRED 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 finds soil 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.