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S-P TESTING, INC. Steven B. Schirmers • MPCA Cert.No. 627 <br /> 951 Katydid Lane NE • St. Michael, MN 55376 • (763) 497-3566 <br /> FAX (763)-497-5011 <br /> CITY OF ORONO State License #394 <br /> ST PTIC P RMIV AN1 '' <br /> November 12, 2009 INSPECTOR (AV. -€4.-t-- ✓ <br /> DAT._ . "10 PERMIT NO.� <br /> 7.47: ROVED MC101114E4 <br /> I APPROVED WITH CORRECTIONS AS NOTED <br /> Nicole Vanpatten am NOT APPROVED-CORRECT&RESUBMIT <br /> 2900 Watertown Rd. 'these comments arc for your information. Ail work shall be Wel <br /> in full compliance:with all applicable septic and zoning code. ORONO COPS <br /> Orono, Henn. Co., MN kequirementsincludingitemsnotspeciticallynotedinibiamvinori <br /> KEEP TI U PLAN TON SLTfs AT ALL TIMB6 <br /> A Compliance Inspection was completed for the existing on-site sewage treatment <br /> system located on this property for new construction. The mound system was built in `5 Ate( <br /> 1992 & is sized for a 5 bedroom home. Soil boring #4 found mottled soil (redox <br /> features) at 22" (1.8') below grade. Boring #6 found the original soil at 2.7', elevation 45 <br /> 100.7 & the bottom of the rock bed at elev.102.1 leaving 1.4' of sand & a 3.2' F--.c S-f-14c� <br /> separation from redox features. Boring #5 found mottled soil at 26" (2.1'). Boring #7 � <br /> found the original soil at 2.8', elev.100.4 & the bottom of the rock bed at elev.102.0 <br /> leaving 1.6' of sand & a 3.7' separation from redox features. This system is classified <br /> as in compliance with Minnesota Chapter 7080 rules. <br /> MOW fih\ A c' Jiv COUd <br /> The south end of the system has rock exposed at the surface which will need to have <br /> 6" of topsoil placed over this area. <br /> ORONO COP'x <br /> The existing tanks will be abandoned, pumped & filled with soil. 2-1000 gallon septic <br /> tanks & a 1000 gallon pumping chamber will need to be installed at the walkout of the <br /> new home. The pump will need to be sized for 29' of head pressure at 39 gal/min, 1/2 <br /> horse pump. Approximately 185' of 2" diameter supply line will also need to be <br /> installed. <br /> If the system is not installed & new tanks installed, if the home were sold the tanks <br /> vvould need to be certified for completion of the compliance inspection. <br /> The new home will have 4 bedrooms. The alternate site shown on the site plan is the <br /> only area available & will be a mound system. Soil borings #1, 2 & 3 found fill soils to a <br /> depth of 12", 13" & 14". The original topsoil is not appear to be compacted, additional <br /> soil probings were completed which did not indicate soil compaction. <br /> The existing well will be abandoned & a new well installed. <br /> THIS SYSTEM IS DESIGNED FOR <br /> ORONO COPY ..___BEDROOMS. ANY INCREASE IN NUMBER <br /> 1 OF BEDROOMS UNYAUDATES THIS DESIGN. <br />