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<br />March 15, 1991 <br /> <br />city of Ros.ville <br />2660 Clvic:: Center Drive <br />Rosevi ,ll., MN. 55 L1J <br />AT'l'EN: STEVE $ARROZY - CITY MANAGER <br /> <br />RS: 8I~. 8CRBBB S'BCXPlCATIOKS <br /> <br />The spt!c.lflcationn that. we propose to use tor the Rosedale Commons site <br />screer. are based upon state of Minnesota Department of Transportation <br />standards. These are used in construction of sound walls and junkyard <br />screens, The des~qn of this fence is by state engineers to withstand a <br />,wind toad of 16 pounds per square foot. vikinq fence did not <br />participate in the design of this and does not warrant its design. It <br />1s ,thE' .x¡:Jerience, ~f ,~,he.S:t:ate and Viking Fence that this is an <br />e~tre~~Ty štáble rlesiqn and we have had no problems with it. <br /> <br />~tructurã¡ Timber &~umber <br />All members shown on the drawings are actual dimensions. We will <br />furnish treated st.ructural timber and lumber conforming to the sizes <br />shown on the drawings. <br /> <br />i-~/·-:'~---~-~i-·'_:c"-'::-'-:., .~ ~.""7-'''! _~-:,.:.:' "1.,,~.'t,' '~-~' , _~ "': <br />--A1 r "t bnbèr··'ana. lù'mber furnished shall receive wood preservative <br />treatment using chromatic copper arsenate with a minimum retention of <br />.-.40 <br /> <br />~onstruction <br />All vertical membE!rs will be 8"X8"x18' treat.ed posts, set in a 52" <br />concrete footing as shown on the drawings. All pre-bored footings will <br />,be fil]e.d._with 41nches of class 5 aggreqate at the base to provide a <br />stable base tor t~e posts. The concrete used will be poured anã <br />thoroughly compacted and allowed to cure for 72 hours before <br />~Qnstruction will resume. <br /> <br />Page 1 of 2 pages <br />