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<br />. t <br />. <br /> <br /> <br />~ <br /> <br />tWin city testlnQ <br />corporation <br />662 crK .~W~lL AVE~UE <br />ST PAlH ~~\. $5114 <br />PHONE l>121IHS.S$l)1 <br /> <br />LA'30RATORY No. <br /> <br />REPORT or: NOISE SURVEY AND RECOHKENDATIONS <br /> <br />4J41 K1-1128 <br /> <br />J.ECOHMEMDATIORS: <br /> <br />DATE: July 24. 1987 <br />2AGE~ 4 <br /> <br />To alleviate the pot~~tial probl~ms. it is recommended that a sound blo~~ or barrier be <br />~laced .tround the unlt. One :,oss1b... con81deut1on would be a product call,)d <br />Soun~~lox. This product can be priced at Anchor Block in St Paul. Enclosed is a co~y <br />of the product d~script1on. An 8~ Type ~ block 1s recommended for th1s application. <br />The wall should ~urrocnd the unit on three sides by at least 5 feet on each side and be <br />built at a minimu~ of 10 feet high, A 2 1/2 foot open aree adjacent to the blllld!ng on <br />both aides "i 11 all"" acces'J to the un1t and b~tter air dn:ubtlon. (S,'e the "ketch <br />below) <br /> <br />~~ ~-:'...]- Kinderberry Hill <br />7T Sui 1din9 <br />2 1 I 2 1/2' <br /> <br />..J' <br /> <br />TWIN eIn TESTING CORPORATION <br /> <br />~6-~ <br /> <br />Hike E Wr,kUlllOtO <br />Aroustlca\ Engineer <br />Prcduct Testing Division <br /> <br />HEIl/ROT/mpc <br /> <br />Heating/Cool ing <br />Unit <br /> <br />51 <br /> <br />51 <br /> <br />Prcposed <br />Barrier <br /> <br />itevleved by: <br /> <br />9JJ-Rd~ <br /> <br />Richard 0 Tholllalld <br />Supervisor-Acou'JLical Evaluation Section <br />Product Testing Division <br /> <br />....... 1IlIIUT"'''''''. JIIO'J'~"IGN "It' C.....,cN.... "..........,..4oJC; A'<<IoutII......v.r AU. ,...~T. .., .U.Il,oI.T"'P'O.... 1'NIII i:ONIJ'04~ 1'.....1., --"O'~....T. 0lIl t;u.,..t'. ..lIr.lO AU"~" <br />"'1"lOH1I"o.~"''''''''- .t'A.,'.....NT..~II,.""~.iIiJII..,.~C1'....OMOfI....~go....III.~'f.I.IItC....V.OHIWONClOf.HIIl......1T.NA-...oVA\, <br />L-_______ _ <br />