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MOUND DESIGN AND SOIL BORINGS <br /> FOR AN ON-SITE SEPTIC SYSTEM <br /> FOR <br /> Dwight Post <br /> 40 Truffula Trail <br /> Orono, MN 55356 <br /> 475-9515 <br /> SITE <br /> Lot 7, Block 1 <br /> Originally Lots 1 & 2 <br /> Auditor's Subdivision No. 229 <br /> Orono, NIN <br /> BY: <br /> DH Excavating <br /> MPCA License#644 <br /> 210 2°d Street NE <br /> NYA, MN, 55397 <br /> � 467-3098 <br /> NOTE: the site must remain protected before the construction of the mound in <br /> order to protect it from soil compaction caused by vehicles driving over the sites. <br /> All property lines must be located 6efore construction begins. All setbacks must he <br /> maintained. All installation must meet Local Unit of Government codes or MN <br /> Statute 7080; whichever is greater in its restrictions. <br /> The septic sites were tested by DH Excavating in March and June of 1999. <br /> We have verified that the sites have not been destroyed and are suitable for an on- <br /> site septic system. The soils are in the same condition as when the site was originally <br /> evaluated. We will use the northerly most site for the system installation. <br /> Desi�n requirements <br /> For a five bedroom home. <br /> 750 gallons per day X .83 loading rate=630 square feet of rock bed <br /> 630 / 10 (width of rock bed)=63 lineal feet of rock bed <br /> Material requirements <br /> 2-1500 gallon tanks <br /> 1-1500 gallon lift station with an audible/visual alarm in the home <br /> 33 tons of washed binder rock <br /> 328 tons of washed concrete sand <br /> 197 tons of black loam (35 of which needs to be sandy loam for the cap) <br />