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SYSTEM DESIGN <br /> '=0R JENSEN HOMES <br /> CP' TI-IE IRWIN JACOBS PROPERTY <br /> Ofi0N0, MINNESOTA <br /> 10-31-86 <br /> 1 . Percolation Rate, Type cf System. <br /> 4.3 minutes per inch, S+andard System. <br /> 2. Propcs��� Flow Rate. <br /> Just f�;r Addition, Tr::ai: ��� � bedroom = 150 G.P.D. <br /> 3. Soi 1 Treatment Area �eec���d. <br /> 1 .27 fa,:tor x 150 G.P.D° ;�_��� Sq. Ft. minimum. <br /> 4. S i ze �n,i Number of Tr�����c"es. <br /> One t�en�r� 70 feet lone id ; feet wide = 210 Sq. Ft. This trench would <br /> be 2-:3 ; ;�et deep in th:� �atur�l soi 1 . <br /> 5. Drain�` iF. d Rock Needed <br /> 1 1 .6 cuui�: ��rds of rc�, ,�,. i s �:eeded to have 12 i nches under and 2 i nches over <br /> a 4 incY ;;:stribution �: . ��. <br /> 6. Septi�: T3r�<s. <br /> Two �e�tic t,anks, of :.00`� and 150 gallons are needed. It appears that <br /> gravi !:y f;ow can be u���d t:o reach the drainfield trenches, so that a <br /> pump and ;�umping tank �.vo�:l�; probably not be needed. <br /> 7. Additional Informatior�. <br /> All construction and niaterials must adhere to the provisions of the City <br /> of Orono. All construc`�i.�r �:;�affic must be kept off the drainfield area. <br /> Sincerely, <br /> PERCOR, �j�� � <br /> i��-� �/ �,, .,� <br /> �arK� Gronberg, � <br /> PCA certified <br />