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, � ' • <br /> . ' � �.. . , . . � ' , . - � . <br /> • � , . <br /> . , <br /> 1 <br /> . .. �..__; _ :: _. _ __. __�_ _,�-.� �'��'�'�NG, I1�T�,. . <br /> � • 951 KATYDID LANE ' • <br /> ' � � ST. MICHAEL, MN b5376 �. <br /> ;, ; � , � 497-3566 � • <br /> ,_ , � <br /> ', _ Steven, D.. SChirmexs - . <br /> __ . <br /> ...__ . <br /> -- - ....-----_. . . August 7, 1989 <br /> __._..___�__._._._.--_�....� . . <br /> Big Island Veterans Camp ' . <br /> Orono, Henn. Co. , �MN • . � <br /> �� <br /> . . � S�e�.�,�� <br /> . / <br /> This system is Designed for �camp sites with a central bath house. <br /> The water. use is 5.0 gal/day/camp site at 25 camp sites totaling <br /> 1250 gal/day/water use. Designed in accordance with the Minnesota <br /> Pollution Control .Agency Chapter 7080 and local ordinances . . <br /> The soils on this ,site SCS soils mapped - HbB - Hayden loam, more <br /> typical of - Heyder complex. A seasonally high water table was <br /> located at 54" , 66" & 70" , (mottled soil ) . The bottom �of each <br /> trench must be looated at least 3 ' above the seasonally high water <br /> table. A standard, trench system may be installed. Due to the site <br /> being located on an Island , S-B-2 gravelless trenches are recommended <br /> to be used. When •sizing .use 10" dia . pipe which is equal to a 36" <br /> wide trench with 6" of rock below the distribution pipe. Also <br /> recommend plastic �tanks . Due to the system not being used in the <br /> winter, recommend the tanks be insulated to help ,prevent freezing. <br /> The soils at a depth of 18" & 30" have a percola�ion rate averaging <br /> 8 . 3 min/inch and are adequate for treating septic effluent. <br /> All neighboring wells are located more than 100 ' �away from the proposed <br /> treatment area. • : <br /> • Keep all heavy equipment off of the proposed treatment area before and <br /> after construction as much as possible. The treatment area should be <br /> marked off before construction. <br /> With proper installation �and maintenance , this system should have no <br /> problem in treating septi,c effluent effectively. . <br /> Recommend to pump the septic tank every year if there is only 1 tank <br /> & every 2 years if there are 2 tanks. , <br /> <��-- �- �� <br /> >-�,�-- <br /> Steven B. Schirmers .L�S <br /> Soil and I'ercotacion Tea�a ; <br /> SBS/ds Septic Sy�stem Deaign . ; <br />