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� _� <br /> i,�.►:Ci�r'S ;��1 • �r.�LY/►J <br /> P.O. Box 81 <br /> Lore�to, MN 5�357 <br /> T�I: .(�`� 47�-2 E 3 I THrs ��St�SD���t,�FpR <br /> �7� � �F BFDR • ANY f NCREqSE!N NU <br /> 00l�S INVAUDATF.S TNIS D���SER <br /> Marvin Dobosenzski <br /> 11 /10/03 <br /> 3560 Co. Rd. # 6 <br /> Orono, Minn. <br /> Job Site; Above Address <br /> The above site was tested ( soil boring and percolation tests ) <br /> on 7/10/03 and it was determine that a pressurized mound system <br /> would be needed to update the present drainfield. . <br /> The previous borings indicayed that mottled soil was encounter <br /> at 11 inches and 10 inches in soil borings # � & 3 . <br /> After the actual rock bed was staked out additonal borings were <br /> done in the rock bed area. <br /> These borings were done on 11 /3/03 by Robert Koch ( Koch! s Soil Testing) <br /> Matt Bolterman ( City of Orono ) and Brad Hayes ( Hayes and Sons Excav. ) . <br /> The determ98nation of where the actual mottled soil level existed <br /> was made by Matt Bolterman. <br /> It was determine that mottled existed at the following le_vels ; <br /> Soil Boring # 1A---Mottled Soil was at 16 inches <br /> 2A _ �� �� " " 16 inches <br /> �oil Boring # -- 14 inches <br /> Soil Boring # 3A <br /> �� �� �� �� <br /> Soil profile consisyed of Topsoil ( Black Loam 10 Yr 2�12o242inchesches <br /> Olive Clay 2. 5 Y 5/4 <br /> * Gray Mottled --2 . 5 Y 5/2 <br /> C,}�. <br /> Mr. Matt Bolterman felt that if the rock layer a�*�3 PLACED <br /> IN THE AREA WEREULDEBEHCONSIDER AOSTANDARDNPRESS�U/R� ED,#MOUND SYSTEM <br /> MOUND SYSTEM WO <br /> .�.� ��a--Q� °;'`' <br /> � <br /> �C�� <br /> ���� � � ��� �� �y <br /> o.�o � �;� �� ".� c�.�m Q. � <br /> J�� (� 1 <br /> $ a�� 0 3 �,� c�..: o.�...�; b�-?����, �a�, <br /> � <br /> 1 � <br /> � � � �ti �� ��� ��� <br /> � � � � � � <br /> � <br /> ,� �' ��. <br /> i, �����, _._ ,__. <br />