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June 7, 1978 <br />Mr. Lester Kelly <br />Page Two <br />A conventional septic system is recommended for the primary drain - <br />field site provided that a 3' verticle separation is maintained be- <br />tween the bottom of the drainfield trenches and the water table. <br />The soil borings taken at the primary drainfield site indicate <br />that the water table is at a depth of -5.1' or greater. <br />An "innovative shallow trench system" i <br />ondar, site. This system will allow for <br />tion between the bottom of the drainfield <br />Soil borings indicated that the depth to <br />or greater. <br />Sincerely, <br />recommended f 3r the sec - <br />the required 3.0' separa- <br />and the water ta')le. <br />the water ta':)le is 4.0' <br />any questions, please do not hesitate to contact me.'�- <br />EUGENE A. HICKOK & ASSOCIATES <br />James P. DeBenedet, P.E. <br />JPD/jel <br />Enclosures <br />