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vvI< 95 - - 1 1 `! _ ,/ 7_5 <br /> /11 <br /> 8THIS ED MIS DESIGNED FO <br /> RDDMS, A R <br /> HALSTAD CONTRACTING OF Bi DROOMS INVALIDA Es E NUMBER <br /> 14180 NE 91ST STREET $DESIGN. <br /> ELK RIVER,MN 55330 <br /> 612-441-4085 <br /> April 15, 2000 <br /> Mike Rodtwald <br /> 4760 West Branch Road <br /> Orono, MN 55356 <br /> Re: Above Address <br /> The existing septic system on this lot is failing and needs replacement. The problem appears to be <br /> that the drainfield is plugged due to solids that have gotten into it. <br /> In the area designated for new mound treatment system, the soil is mainly loam topsoil. The perc <br /> rate averaged 10 MN and mottled soil was at 14"— 17". The system designed is for a 4 bedroom, <br /> Type I house. The system should include a 500 sq. ft. rock bed mound, 2 — 1,000 gallon septic <br /> tanks and a 1,000 gallon pump tank. <br /> The existing septic tanks should be pumped and filled at time of new installation. <br /> Approximate quantities needed: <br /> 100'-4" Schedule 40 pipe with cleanouts as required <br /> 2 - 1,000 gallon septic tanks <br /> 1 - 1,000 gallon pump tank <br /> 1 - Effluent pump(38 GMP at 15' total head) <br /> 1 - Sight and sound alarm <br /> 50'- 2" Schedule 40 pipe for supply line <br /> 150' — 1%2" or 2" Schedule 40 pipe for laterals <br /> 26 to 30 -Tons 1Y2" sewer rock <br /> 300-Tons washed sand <br /> 20-Tons sandy loam cap <br /> 100 - Yards loam to sandy loam topsoil (more may be needed to blend into existing <br /> grade at upslope) <br /> Geotextile fabric CITY OF ORONO. <br /> Pump septic tanks every 2 years. SEPTIC on=C 14XEW <br /> INSPECTOR ` ,�'C:__ C r. .� x; . <br /> DATE 4 PERMIT NO. <br /> Sincerely, APPROVED AS SUBMITTED <br /> ,/ APPROVED WITH CORRECTIONS AS NOTED <br /> OAANnil(/" NOT APPRQVED..CORRECT.4 RESUBMIT <br /> These comments iN for your hnformattae. AU week shalt be does <br /> In full compliance with all applicable septic and zoning code. <br /> Duane Halstad Requirements including items not specifically noted is ibis mina <br /> MPCA 764/1031 I iaP TW$PLAN WON SITS/4ALL TIMES <br /> DMH:jh <br />