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ORONO COPY <br />SIT'; -,Vls,UAT10.; <br />IOT 7, BLOCK 1 <br />`TH 3 111JR i Hy <br />5-11-81 <br />/0(7 (eW S` <br />` c / <br />On 1-:ay 6-7, 1981 tine above lot was tested for the suitabil- <br />ity of supporting an on -site sewage drainfield system. Four per- <br />colation holes were tested and two soil borings taken in the pri- <br />mary site while two percolation holes and one soil boring were ta- <br />ken in the alter•nat© site area. In addition, one :;oil borin was <br />taken in the area of tho proposed house. <br />The percolation holes were dug 6-inches In diameter and 2 ft. <br />deop while the soil borings wer,; dug 6 inches in diameter to the <br />11. ft. depth and 3 inches in diameter to the remaining depth. All <br />holes were dug with bucket typo hand augers, <br />Because of the hiC1i water table in this aroa the percolation <br />holed wero tested at the shallower depth for a mound or shallow <br />trench system. Since the area contai-od an abundance of black <br />loam, the av :rs3e Percolation rate a rather fast 115.5 minutes <br />,Aii.ch would allow the she trench system to be con- <br />structed. <br />However, because of the high grater table in the area,it will <br />be necessary to construct an interceptor drain around the drain - <br />field area to divert runoff water. This could be part of the drain <br />tile system used t•ri.th the house. This drain should be 4 to 5 feet <br />do-,p �:tth rock bein; placed over the tile with some black dirt <br />i)laced on trio top to establi.sii a grass cover, <br />Additional oyster desi�-,n lnformat` on follows. If any other <br />information is no !deri, ploZro contact !.-p. <br />Sincerely, <br />.00 <br />Bari; <br />