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. . + <br /> `�.1 `7 S�► <br /> .�—�. ' . <br /> ,�`-�'' TES�'�1�G, .1'1VC. <br /> '�51 KATYDID LAN� <br /> ST. MICHAEt, MN bb376 <br /> 497-35d8 <br /> Steven 13.. S.�hirmers <br /> Septembez' 18, 1989 <br /> Allan Cerlson �, J / <br /> Lat 2, 81oak 7. � �Y`j�`"I�� r �,'���'_�- <br /> Crystal Creek � <br /> Orono, Henn. Cv. , MN <br /> Thi$ system is Designed for a Type 1, �our bedxoom home and in acco7rdance <br /> w��h the Minnesotn Pollu�ion Control Agency Chepter 7080 an8 local <br /> ordinances. � <br /> The soils on this site are typical of SCS aoils mapped - Ha - Hamel <br /> loam bordered by - LrC - Leeter �oam. A seasonally high water table <br /> was located �t 18" , 24" , 26" , 48" & 56" , (mOttled soil ) . Due �p the <br /> seaeonally hiqh wate� table, a pressurized mound eystem will need to <br /> be it��talled. Tha� bottom o� the rock bed rtsuat be ].oca�ed at leas� 3 ' <br /> above the seasonal:ly high water tab2e. <br /> The soils at a depth of 18" have a percQlation ra�e averaging 6 . 9 <br /> min/inctl arid az�e adequate for treating sep��c effluent- <br /> A pumpinq Chamber wil� need to be installed to l�,�t the effluent to the <br /> tr�atment dz'ea. � <br /> The manifold and aupply Iine pipe rnuat have back drainage to the pumping <br /> chamber. The distribution piPes shall have their ends capped. Be sure <br /> �he rock and sand ;Fi�l material are alean. The sod layer below the <br /> entire mounded area must be turtled over, just break up the sod, be sure <br /> not to over work. • <br /> The power supply and switches must be ldcated putside the manhole an� <br /> pumping Cha�ber in & weather proof enclosure . A w�rning device muet be <br /> instalZed with a ligh� and sound device, �his is in case of a pump failure . <br /> {Mercury floats axe a good method) . <br /> AX� nefghboring wells are located moz�e than 100' �way from the proposed <br /> treatment erta. <br /> Keep all heavy equipmet�t .off of the proposed treatment axea before and <br /> after constructian as much as poasible, The tr�$tment area should be <br /> mazked off before conetruction. <br /> Soi! and Percolarion TQita <br /> Septic Syr�em Design CONT' D <br /> . � <br /> 12/05/97 09: 13 TX/RX N0.2770 P.002 <br />