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<br />'- <br /> <br />6. 'lglneenng <br />dynamics <br /> <br />3925 south kolomath street <br />englewood, colorado 80110 <br />(303) 761-4367. fox (303) 761-4379 <br /> <br />FAX Page I ~f I <br /> 719-754-2140 <br />(V) 719-754-2681 <br />EO! JOO II C2S46 <br />'produced Dr six (6)"llgd cannons. <br />Cooling Company. <br /> Sound un! <br /> d8(-') <br /> 65 <br />easwm 62 ,-, <br />. in line whlt 64 -- <br />rty unit. <br /> 56 <br /> 92 <br />ypc I sound level meter with a <br />d the lempcnotut.: was aboul7S' <br />corrections to the measureu <br />lour F.nglcwood office. <br /> <br />September 28. 1999 <br /> <br />Mr. John S. Smith <br />Skyvlew Cooling Company <br />, 55 N, Torres Slleet <br />pO tl~x 416 <br />Cenler, Colorado 8/125 <br /> <br />Re: Sound I.cvels - Hail Cannons <br /> <br />ne.r Mr. Smith: <br /> <br />ursday;-Scpterlll,1oo1 9. 1999,-measwl "1U.\;1IL;t wCWITi~l: of me :5U~ <br />The work was pcrfonned at the rcqueM of Mr. John S. Smith of Skyview <br /> <br />Results of the mensurements arc ... rollows: <br /> <br />nit No. <br /> <br />Location 0 Me""urcmcDls <br /> <br />4" <br />.~ <br /> <br />East of 'fOpetty line, most sou erly unit along ditch <br />etween north andlOUtl\ Unil<410 lll\d412,llextto ditch at <br />prop<:r1y line <br />EllS! ulpr"!,,,rl)' line due east from Unil4i2, Near ditch ana <br />ElW power line to the asl of nleasurement site. Most nortJ1e <br />Southerly Unit about I mile to west from mea.wn:menl sile, <br />300 feet east of Felmlee Residence at mailbox. <br />p..u!.on Residence backyard, No data unit out of fuel. <br /> <br />410 <br />411 <br /> <br />413 <br />414 <br />415 <br /> <br />The mea.<urcmenls were taken with a Quest Model RT-l 000 !'recision T <br />currellt calibration. <br /> <br />Al the time of the mClISurements, the wind was calm, the sky was clear an <br />F, The amhicnt nui.e level was in the ranse of from 25 lu 40 dll(A), No <br />value., due to lUllbient or background noise were requiRd, <br /> <br />If you have allY questions regarding this inrunnotion, ple",e eont..[ me a <br /> <br />Very truly you.., <br />ENGINEERING DYNAMICS, INC. <br />~ })m'~/an <br /> <br />How;vd N. McGregor, P.E. <br />President <br />