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�`�,�i a +f° �K i,�t��" t .t t t i,,,�'�;� �C � z� -. . <br /> .. . ' .Tt, ,. >=> , , ,,'i�� 4 . < <br /> . . _� ,�f� _ - :/�a.�l ..�.':t�s+.=�.,a.,ai.'��'�<n�44d�1►�n'.':r��... <br /> �-P TES TfNG, INC. <br /> 951 KA?YDID LANE <br /> ST. MICHAEL, MN 55376 <br /> 497•3566 <br /> S7EVE SHIiiMERS <br />' .lune 17, 1988 <br /> s <br /> 'j:�uccr Bren Nomes <br /> L,ot 3, F�lock 1 � , <br /> French Creek <br /> Orono, tler�n. Co. , MN <br /> � <br /> � <br /> � <br /> This system is designed for a Type 1, four bedroom home and in accordance � <br /> with the Minnesota Pollution Control Agency standards WPC 40 a��d local <br /> ► <br /> ordinances. � <br /> The soils on this site are typical of SCS soils - f:eC - Heyder sandy loam. <br /> Z'his site was test�d for a pressurized mound system 7-4-BA during road � <br /> construction & construction of a house on lot 4, block 1. The proposed � <br /> t=eatment area was compacted, tests were ran & failed. Borings were <br /> completed #7 & #8 i.ndicating the clay layer is approx. 36" to 50" deep ` <br /> under layed by sandy soil . It is recommended that the clay layer be re- � <br /> moved by using a backhoe to prevent further compaction & a pressurized <br /> n�ound system be place� on the sandy soils using a minimum of 18" of coarse <br /> washed sand below the rock bed. � <br /> �= <br /> n �umping chamber will need to be in�tdlled to lift the effluent to the � <br /> trcatment area. �' <br /> �. <br /> Thc mnnifald and su��ly line pipe must have back drainage to the pumping !'' <br /> c'�amber. The distribution �ipes shall have the�r ends capped. 8e sure � <br /> the rock and sand fill material are clean. The sod :ayer c,elow the � <br /> ��nt:ire mounc?ed area must be turned ��ver, just brea'�c up the sod, be sure � <br /> n�>t �c, ove�r work. f°� <br /> Thc� ���wer supply and switches must be located outside Ci�e manhole and �i <br />� pur�r>inq chamber in a weather pr��of enclosure. A warning device must be ¢' <br />! in�.���1 '.ed wi�h a light and sound device, this is in case of a pump failuze.� } <br /> ("^«>r.cury floats are � good me�hod) . <br /> A ! ' i}��1�:��l�OLlflo w��' !s ,ir�� lr�cated more tt���n 100 ' away from the proposed �" <br /> �r�:����rnc:�t are� . �, <br /> E;.: <br /> Keep all heavy equipment off of the proposed treatment area before and �, <br /> afte: const�uction as much as possible. The treatment are� should be <br /> m��rked o.'' befoz'e construction. � <br /> °t; <br /> It is recommended that thr septic tanks be pumped every 2 years. %� <br /> � <br /> �; <br /> �. <br /> � <br /> Suil and Prrcu(ation Teiti CONT'h �: <br /> Sryt�c Syitens De�r�n <br /> . <br /> �,.�»�,p�.�.,.,�„,�. �,...��.,y,�,. ,; . � .� <br /> ,. <br /> .. ;: <br />