Laserfiche WebLink
o ��� <br /> f1RON0 D <br /> . -� � Koch's Soil Testing ���o� <br /> . f�.0. �3�x 81 <br /> , I,t►t'f::tt;4C1, �VIN '�"':t:.1;►'r , c) �(� �`�ll <br /> V�It� r.:�ch�ul 1i1.�1�;. Cc,.�-�:�. �f�L' lh1c'l ��/�J- �Li;_3% /'�. <br /> 193ti wayz��t<� ri�va. <br /> I�on�; Lake , Minn. SEP 2 6 �:89� <br /> Tel . 473-157� � <br /> Job Site ; Lot 4 , Block l , Phi.11ips Woodland Tc�rrac�c , Orono , Minn. <br /> The average percolation rate in thc� primary sitc� w�is 41 . 0 min/in. �i�d <br /> the depth to mottled soil was at 24-30 inches . While in the alternate <br /> site the average percolation rr�te was 35 min/in. and the depth to <br /> mottled soil was at 30 - 32 inches . <br /> * Note ;• Mottled soil is consider the high s��asonal w�ter table that <br /> exist during the wet seasons ( spring and fall seasons ) and is an <br /> indication of saturated soil conditons . <br /> � <br /> ���lt' l:.l CV itf �)I.��tl�� �)11':i.l.l::t` ;:t`1e�.1},c' ���1��':1iI11�'lll (:i���("; I'�'c�l.11 I"�� I �l�ll �.�:i�, <br /> 111IIU11,llll►Ill ��L`��� �1 ('�) 111�1� � ��'�� ;l�rl � (11117�� �ic� ;II %1 � I . ( �1�� I11�'�li',: � i�l." ���•�•�!�•I <br /> �7C'I.U1'(� ;1 :;L�tll(�111'll (�.C':1:111��'�.t' �.C) +'F:tll �li! lllt;l.;t � � �'�.� . ����1�•1.'c•� ��L'�• Wll,�l 1 ���� :.1�1�iv�• <br /> i�ziori��ati�n ( mottled soil 1��vels ) the i�nly Ly��c� c�f� tr��,atrnc�iit- :cyc,���ri� <br /> that can be installed in either the prim��ry or th�� ali.er�zate site is <br /> a pressurized moui�d syst,�m. <br /> This ►t�ound i.s l�c�r ;:� 4 bc�dr.c�r�ni '1'yp�� 1 Ii��rnc ;�►�c1 i:s ' i.0 �:�ccorcl'��ncc wi_tli <br /> th� MINN. POLI.U'1'ION CONTIZOL AGIsNCY 5`l'ANllAKD5 - 70�0 and t:hc� 1oc�i l cc�ric�:: . <br /> The siz� c�f mound neeeded for a 4 bcdr.00m hoinc ( bc�i;;c:�d c�n 6UU gal /day <br /> and a perc . rate of 41 .0 min/in. the sizing factors ) woulci be 36 ft. wide <br /> by 85 ft. long or 3060 sq. ft. The size of rock layer neeeded would be <br /> 10 ft . wide by 55 ft. long or 550 sq. ft. <br /> See the enclosed mound design data for the specifications for the proposed <br /> mound systcm. <br /> * Note; Only clean coarse sand should be tised in this mound , this sand <br /> should be checked out by the 1oca1' inspector to make sure it meets th� <br /> specifications . • <br /> This mound must be p'ressurized, therefore a pump tank ( 1000 gallon) and <br /> a pump ( 1/2 h.p. - 40 g. p.m. - pumping rate-194 gal/cycle and at least <br /> 4 c ycles/da y ) must be installed. An alarm system both a sound and a <br /> :. light alarm must be insta�.led in the house to indicate pump failure . <br /> f�ll construction traffic should be kc�pt off both sit�s to ��void c�c�mpact.ic�n <br /> of the soils .resulting iii ruining the sit-es , thercfar� bc�Ch sit�>:: sl�c�ti.l�l <br /> be roped off by the builder. �, <br /> Si.i�c �v��lu�tor <br /> � � � ) (, � ,r=� f ' <br /> �� ,/��c r���.a�t��""��`-L / � `��- �.../ <br /> Rc�bert A. Koch <br /> �•, <br /> Robert Koch MPCA CertifierJ <br /> , _ _ <br />