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v� <br /> / } <br /> � Mr. Paul Philips <br /> October 13, 1978 <br /> Page Two <br /> The percolation rate for the secondary field as tested was 37. 0 Minutes/ <br /> Inch. The location of the percolation test holes, soil borings, and <br /> the proposed drainfield areas are indicated in Figure 1. Percolation <br /> rates and depths to the water table are shown in Table 1. The soil log� <br /> of the soil borings are shown in Table 2. <br /> , Because the water table is at a depth of less than 5.0 ' , a commercial <br /> � on-site treatment system will not function properly. For this reason <br /> � an innovative shallow trench system is recommended for this lot. I <br /> � have enclosed plans and specifications for such a system. This rec- <br /> i <br /> ommendation applies only to the test area. <br /> Stated percolation rates are averaged for the locations shown, and <br /> no guarantee is implied or expressed that these conditions exist for <br /> the entire test area. <br /> If you have any questions, please do not hesitate to contact me. <br /> Sincerely, <br /> E. A. HICKOK AND ASSOCIATES <br /> `�f <br /> James P. DeBenedet, P.E. <br /> JPD/j e 1 <br /> Enclosures <br /> . . � <br />