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SEPTIC SYSTEM APPROVAL <br /> Iv 0.47.0 0 <br /> coni ( 47 <br /> CITY of ORONO <br /> Municipal Offices <br /> ti <br /> Street Address: Mailing Address: <br /> t9 4�'G <br /> kE880 2750 Kelley Parkway P.O. Box 66 <br /> Orono, MN 55356 Crystal Bay, MN 55323-0066 <br /> Owner MN DOT Phone (Home) (Work) <br /> Address 1200 Orono Oaks Dr. City Orono State MN Zip <br /> Site Evaluator Steve Schirmers State License# 627 Phone# 763-497-3566 <br /> Type of Establishment: Single Family X Multi Family <br /> Commercial Est. Gallons Per Day 450 <br /> No. Potential Bedrooms 3 Slope: 12% <br /> Depth of Sand: Upslope: 1.4 feet Downslope: 2.6 Soil Sizing Factor 0.83 <br /> Perc Rates P-1 18.5 P-2 20 P-3 10 P-4 10 P-6 P-7 <br /> Restricting Layer Depth B-1 20" B-2 26" B-3 14" B-4 14" B-5 18" B-6 20" <br /> Type of Treatment System: <br /> Standard X Alternative Other Performance <br /> Pressurized Mound System X At-Grade System <br /> Gravity Trenches System Pressurized Trench System <br /> Gravity Trenches W/Lift Pressurized Bed System <br /> Holding Tank W/Alarm <br /> Septic Tank Size 1000 # of Tanks 2 Lift Tank Size 1000 <br /> Pump Brand GPM 29 Head 31 <br /> Treatment System: <br /> Minimum Square Feet with 9 inches of rock below pipe <br /> Bed (10*37) Mound Treatment Area (47*55) (47*93) <br /> THIS IS NOT A PERMIT. This is a design approval form which must accompany the site plan. A <br /> permit must be issued to a licensed septic contractor prior to installation. <br /> NOTICE TO INSTALLERS: Any changes to the approved plans must have prior approval of the <br /> inspector (952-249-4600) Call for inspection 24 hours in advance. <br /> ALL DRAINFIELD AREAS MUST BE FENCED OFF prior to building site excavation and <br /> fencing must remain in place until final site grading. Approval to pour footings will not be granted <br /> until the Inspections Department has verified the primary and alternate sites are protected. <br /> NO VEHICULAR TRAFFIC OF ANY KIND is allowed within 20'of tested drainfield sites ever. <br /> ACCEPTED X DENIED By the City of Orono subject to existing regulations and the <br /> following conditions: <br /> �JCOOir maxde5',g� <br /> 1) Pump and fill existing tanks. 3 <br /> 2) 1.5' soil on top of mound, 1' soil on sides of mound. <br /> 3) Sand placement must follow design. <br /> 4) Alarm must be placed inside house. <br /> 5) Keep all water softner and iron filter discharge out of septic system. <br /> 6) A variance to be within 10 feet of property line and 10 feet to driveway is granted. <br /> By: rrC <br /> Matt Bolterman, On-Site Systems Manager Date <br /> Telephone(952)249-4600 • Fax(952)249-4616 <br /> www.ci.orono.mn.us <br />