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�t <br /> Rusty Olson's--Soil and Percolation Testing <br /> Joseph J. Olson—MPCA License#S10 <br /> 11481 Riverview Rd.NE,Hanover,MN 55341 <br /> (763)498-8779 Faz(763)49&8290 <br /> October 29,2008 <br /> t3�?,i�`:�� CC)�'Y <br /> Bob Griffin <br /> S l 5 Femdale Road North <br /> Orono,Hennepin County <br /> This on-site Sewage Treatment System is designed for a Type 1 five-bedroom home in accordance with the <br /> Minnesota Pollution Control Agency Chapter 7080 and local ordinances. <br /> The existing house is to be removed.A new five bedroom house is going to be built <br /> The periodically saturated soils were located at 18"-32"(mottled soil).Due to the seasonally saturated soils, <br /> a pressurized mound system will need to be installed to treat the septic effluenL The bottom of the treatiment <br /> azea must be located at least 3'above the saturated soils. <br /> All neighboring wells are greater than 100 feet from proposed treatment areas. <br /> The soils at a depth of 12"have a percolation rate averaging 4 MPI. <br /> , ,. .'. � .'�,. <br /> The e�cisting septic system needs to be removed. <br /> T'he proposed septic sites must be fenced off and protecte� <br /> A pumping chamber will need to be installed to lift the effluent to the treatment area The power suppiy and <br /> switches must be located outside the manhole and pumping chamber in a weatherproof enclosure. A <br /> warning device must be installed witi�light and sound devices;this is in case of a pump failure.'The <br /> manifold and supply line must have back drainage to the pump chamber.The rock and fill materisis must <br /> be clean.The sod layer below the entire mounded area must be tumed over.Just break up the sod and be <br /> sure not to over work <br /> Nothing other t6an grav water.(laandrv showers etc.) Human water and toilet tissue s6ould be <br /> disoosed of into the seotic tanks. Garbaee disaosais are not recommended Additives must not be <br /> used:thev mav cause hsrmful damaee to vour seatic svstem It is recommended that vou numa the <br /> tank everv vear for 1 tank.everv two vears for two tanks <br /> Sinc�rely, <br /> / �'` ,� - <br /> Joseph J.Olson +CJRONO COPY <br /> CtTY OF ORONO <br /> l�EPTIC P RMiT N RE i � <br /> �._.. �TU� <br /> - � PERM[T NO. <br /> tAPROVEU AS SI;DMITTF:D <br /> ���� � ;�PPROVGD WlTH CORRGCTfON3 AS KOTGD <br /> �y NOT APPROYEU-CORRECT&R F.51,e�t I T <br /> � ���� �o�p fw your information. Ail work shull hc daic <br /> � �N���� �!M�Celeplia�lq with sll applicuble scptic und zuning cudc. <br /> �lequtrouutN�iaclud�n;items not speci(icuUy n��taf in�his rcview. <br /> �'flii�pLAld�i't ON tITE A'f AL�TI�tGS <br />