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� + � � <br /> TTEN ROS. <br /> . , . <br /> "OVER 45 UALITY SERVICE" <br /> � ��oa <br /> MRT Engineering <br /> 8200 Htunboidt Av. S ' ` �� <br /> Bloc�ming�ton, Mn. 55431 � <br /> Re:Boulder wall ` <br /> Stewart&Gina Ha�sen - <br /> 583 Park Iai. <br /> Orono, Mn. 55356 <br /> Mike, <br /> Per your request, I'm encloaing a photo of the boulder watl project we discusaed <br /> � Nov. 6'�. The walt is 6'2"abwe grade at the highes� ru�.s 37' along the lot line <br /> (set back 2.8')ending in a planter tha�t steps into the neighbaring slope. The base <br /> courae consists of 3-4' boulders set into the existing grade, tt�e second course is of <br /> 3'+boulciers, the wa]1 is backed with Fibeimat landscape fabric. There is a solid <br /> 4" draa►tite nuuring behind the top course of the wall set in 3/4"red rock exitu�g <br /> 8+feet beyond the wall with a boulder catch ba�sin to prevent slope erosion. The <br /> top course of the wall is set 4-6" above the neighboring grade,back filled aad <br /> sloped to limit overland runoff over the top of the wall. <br /> B�ing invaice to be settt to: Otten Bros. Nursery <br /> Attn. Steven White <br /> P.O. Box 249 <br /> Long La1ce, Mn. 55356 <br /> 'I'haak you for your help in this matter and if you haNe questions please contact me. <br /> Please send your memo to: City of Orono <br /> Atfn. Bn�ce Vang <br /> P.O. Box 66 ,,,� <br /> Cryatal Ba�y, Mn. 55323 <br /> Sincere , � C O� <br /> . <br /> Steven Wlrite <br /> 2350 W.WAYZATA BLVD. • P.O. BOX 249 • LONG LAKE,MN 55356 • (952)473-5425 • FAX#(952)473-7232 <br />