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TO: <br />FROM: <br />DATE: <br />Jeanne A. Mabusth, Zoning Administrator <br />Michael P. Gaffron, Septic System Inspector <br />April 12, 1983 <br />SUBJECT: Donald C. Mogen, 1170 L>man Avenue <br />Subdivision, Septic System and Site Evaluation Review <br />I have reviewed the Mogen proposal for subdivision of the <br />4 plus acre property to create a second building site, and <br />wish to make the following comments. <br />Lot A (Existing House) <br />Existing system for 1170 Lyman Avenue consists of 2 septic <br />tanks and 2 separate drainfield systems. A new drainfield <br />was added in 1981, keeping the old field as an overflow. <br />The old drainfield was located by probing and the end marked <br />with a stake. This drainfield extends about 30' into the <br />proposed new lot, which is unacceptable. I have sketched <br />(attached) a recommended lot line rearrangement which wil <br />include the existing house and drainfield on one lot while <br />keeping an approximate 2.0 acre lot size for both lots. <br />No alternate site was tested to show that suitable soils <br />and area exist for future drainfield for of'^the <br />This testing should be submitted and approved as part of the <br />subdivision process. <br />Lot B (New Lot) <br />A site evaluation of this property was <br />Sunde in 1978. I believe I have properly transcribed <br />test locations onto the sketch attached, although no actua <br />test holes could be located. The proposed primary <br />alternate drainfield sites lie on a terrace <br />from a steeper bank, above which is the f <br />house location. With an average perc rate of 48 ^ , <br />mottling not observed in the borings, the proposed standar <br />trench system is acceptable. The site is more than <br />from the wetland and approximately 8' higher in elevation. <br />Because of the odd-shaped lot configuration <br />of septic systems on both lots, possible sites for a <br />to serve the new lot are somewhat limited but not unworka <br />This house location is, of course, not acceptable. <br />Re <br />Ap <br />Pa <br />A <br />s> <br />Pi <br />nc <br />ar <br />F] <br />wc <br />t< <br />b\ <br />: <br />mm: