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::v,„M-' ■■"‘‘‘^ar. <br />••.S' •;. <br />I » <br />*;fex <br />fc;--:«;: <br />»#*?■ <br />!^'*5-1^1 <br />iv,.,^ '•u ;./■' <br />•,1:11; ^ ,.:'>^v. • <br />'V' <br />' '" 1>.‘' ' ^ ' ;’ <br />%-r'u:f' /'•■'• <br />!|:l^%‘t.'iffc <br />»■ <br />msr-'‘^ .!■■ ■pp.iWsi;:'!''- ■''*'■ <br />» ■ <br />•r v;: V ’■ > <br />■ I- <br />m<^- <br />S'I'i--. <br />l.>- »V,.%A <br />"•%’V <br />"V.''D <br />fOt <br />rtoNt <br />DATBt <br />Jeanne A. Mabusth, Building & Zoning Administrator <br />Stephen Weckman, On-Site System Manager <br />July 14, 1992 <br />lUKYs Subdivision #1749, Jim Lawerence - Septic Review <br />I have reviewed the proposed septic system testing and <br />design for this property and would make the following comments. <br />LOT 1 <br />This lot has an existing residence with an on-site sewage <br />traatment system. The system is listed as a substandard system <br />which includes two 800 gallon concrete block septic tanks and <br />approximately 300 s.f. of drain field trenches. The septic <br />•ysten was installed in 1960 and no problems have been noted to <br />date. <br />Soil testing has been provided indicating alternate <br />drainfield site suitable for a four bedroom and a one bedroom <br />guest house. Specific septic system details are included below: <br />Depth of seasonal saturation (mottling) is 1', <br />requiring a mound. <br />Slope is 0%. <br />The percolation rate averages 8.1 minutes per inch at <br />12 inches. <br />Topographic location and site drainage is adequate. <br />All setbacks meet city code. <br />LDT 2 <br />Soil testing and septic design have bee.i approved for a five <br />limdroom home including primary and alternate drainfield sites, <br />•oth sites meet HPCA rules Chapter 7080 as well as Orono City <br />Code Section 12.30 requirements. Specific septic system details <br />are included below: <br />Depth of seasonal saturation (mottling) is I’ to 2' for <br />both priflkary and alternate drainfield sites. <br />SXopm at the primary and alternate drainfield sites is <br />3% and 3% respectively. <br />Percolation rates average 8.5 minutes per Inch at 12 <br />inches. <br />■‘1 <br />'• •' • ir imtoiii