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CITY OF ORONO <br /> OPY SEPTIC PERM 'LAN R .VIE\ <br /> • <br /> Og0NOC i;ocn ' s •soil Testing INSPE TO'/ . " _. <br /> Box 81 DAT -U 1pERM!T NO � <br /> _ o r e L L o , Minn. 55357 APPROVED AS SW3MITTED .*""--""IT <br /> Eqi NE�PIrO??H col(RECTIONS AS NOTED <br /> OTAPPROVED-CORRECT&RFSUTt\i IT <br /> These comments are for your information. All work shall he done <br /> th full compliance with all applicable septic and zoning cudc <br /> Requirements including items not spell ill ed in this review. . <br /> Brian Stephenson KEEP THIS PLAN SET ONSITE�AtAR,4 S <br /> White <br /> Job Site; 2720 Qhlte Oak Circle, Orono . Minn. <br /> Work Done; Identify an alternate site to located a standard <br /> drainfield if needed in the future . <br /> Four soil borings were done in the propsed drainfield area . <br /> These soil boring indicated the following results; <br /> 0-12-15 inches Topsoil ( Black Clay Loam --lOyr 2/2 ) <br /> 12- 29 inches Olive Brown Clay Loam --2 . 5 Y5/6 <br /> 29- inches Olive Brown Clay 2 . 5 Y 5/6 <br /> Mottled soil was at the following depths <br /> SB- ! A Mottled soil at--2 . 7 ft . <br /> S.B. 2 A : ---2 . 5 ft . <br /> S .B. 3a=- " " "--2 . 0 ft . ORONO COPY <br /> ---2 .0 ft . <br /> Standing water was not encounter in any of the holes . <br /> Mottled soil is consider the seasonal high water table or <br /> or the restrictive layer that prevents the flow of water <br /> thru• out the soil . <br /> the Minn. Rules and City of Orono Codes require the mottled <br /> soil levels are between 12- foury-eight inches then and <br /> above ground pressurized mound system must be installed . <br /> This type of mound system is consider to be a standard drainfield <br /> according to the present codes . <br /> Therefore a mound system could be installed in this alternate <br /> site, if needed in the future. <br /> The size of mound system design will depend on the number of <br /> bedrooms in the house and the actual percolation rate encounter . <br /> This percolation rate will be determine in the future when the system <br /> is installed . <br /> *Note This alternate Site must be roped to prevent construction <br /> traffic from compacting the soil which will ruin the site , <br /> this must be done by the builder. <br /> Site Evaluato <br /> Robert A. Koch M.P.C.A. <br /> ORONO COPY <br /> Robert A. Koch M . P . C.A. Cert . H 193/ 1429 <br />