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HomeMy WebLinkAbout1998-04-10 Noise Survey SPR FILE No, 721 12,23 '98 13'955 1D;(1"1_NTECH INC 617 499 8074 r,)-4GE 2 4 Hvimlirmlgy,NIA W!,EU DiLxtir&ur 23. 191A Acente& Mr. Stm Sam DuUm JL GarRcid Inc, 70 F'J a,gsl 1 4) 131". NO all A LIM% 1 01 X4 5 Subject: Situ Noise "duos-vq Bay I HII Pirklim Nm1h Wav, R4A Acenmck RIM No. 613,8919, Dear sleym At y%mr mqnsl, we ClUildmAcd a site node smey at Me Buy 11111 prolietty locMed oil,Orchard 11111 Road & NOW1 Widow. A.PEI cast&RUMV U75 'ThiSIOU01 SUmmariLQs our measurements. O'b"Servatilmli As desoxibud above, Um We m Mcil pycent to Route 125, 'floc iij-,jjor z1o,iscgoln-ce t1tat ex%sa,- at die pile is (be heavy Yalmne Orhum or, iiouw 125 During my visit on the afierrinciii ciftlw Docent ber 2 1 a', the Wc cmm= Pmehly of Cause, hill lal ge trucks occilsionailly pamed Q,We us %YCH. 11wre own umme mise due to comMiel"Jall activity 'M the ticighboring L-Com building, blit lhiS was ARM uvm%hib was Be My olha ths"itiM nuke obsme'd dumg the vY, Applivuble(,rlterla Tho l lNpssua duuuscuus Eeop,,irj,mcr,)4 W'Envirommenial Ptolawi:icin Nals defined [ht alubicut 116se level m the background A-weighled mu d level that iN exceeded;90% of A Umu memumd MAL; equipmenlolmoUghwur Art (NWny Comml Policy, irtb,ulrrwwauwll,aaruad sotrnd level is iticreased to more tan 10 dRA above ambient, or it in a candithm ofa -pure: tone", A "pure tom" is dahned as any ummu band cenm hapeeml smmd Fuessure level exceadins;the two u4j,'icum cunimfi-quency !iourtd pressuro luvols by 3 dBA or MUTM We hou mumumd It ambfunt mise Imel at A Bay HAI She in Order'to,c-slablkh it use level Or comparison aner the ntw hijilLijilg is Rimorements For 111issitc 11101se survey, we pci-fim-med two sets "I be AM invulwd it handheldspoctrum armlyzcq which VMS awd to record Ilic iaoise lvvel in the aftemoini oif Decuider 21'tin tho sic and at do a0acem Wom budding. 'rhe ambient (I"'),no se lievels as boilt sites w0te imasumd io be about �45 dFAA. A h(,-quency pliol gad 1110 L!" mjoj'se�level jssjjowuj 4-ef. 9 VA rm On I Prloym A"wo un mid JAidialeful FILE No, 721 12/23 ' 3 13:55 ID.Wr`,[TECH INC 617 499 8074 PAGF ? Mr- Sine Fosler Decem110- 23, 1998 Page 2 The seGnild set of JlWijs►1rc111011s was obtAjT1l d witl1 a comtinipous n onitor that was teft a [be siEc En}`a timm periutl of[tcady 24 hou", sl+'kk'tktit,at about 2:3 0 RM on Dcc%. lmher 2I"and tillding of about 9:00! M,kit Deuctu_i�r 22"'L Tl,s; imbkrnt s1o!$1i Tcv4:k,(L,,) varied fi`c n the Iow ko mill 40's d1#A during the Out Y raofiliIT, III;Eels of be111 day:', 1'eard1ing-t m iniinuFn betwceii I A and 3 AM. 011 Docember 2 "d, these 3eYeIs 3'o se to IIIe M1111tr 40's to In kE 5O's dB during Ihe,daytime hours. Niglittimc ainbiunt Ik:vcls IIkBi1 dfDpped apk11 to the Mid 40's ci-BA. Figure #2 is a plat of tho L.,,s, noisy levels k' CE}I�EI gi Ovtr The d1I3'alim of the 111c surul cni- Doring Iltc first houir l}fFrlCE15k�I�IT1�11��, �a 11adUY wa'q Ope# ung Oil the site. 'lhh1 restiked in SiI1usually high Eini(Aujit noisc ick+els durEE1})' thi�i tSYrk[: SYI iCh Ai'o 4v11 lIt On I{lg l'C #2- ninmary ntI resmiis,ofjire meiistirc1111±ilt.,sJ1{}w typical v kr1,'4I71Ia1 PI ;inib1eal rF viusliJi'.ITFS i(I . A [I:1y131110 anibiCilE Noise Ievel ofi ihouE 45 dBA woo 3w ordud by tic; biFidhil Id ;poutnun amil+f2 3 oil Doccrmbin-2 1"and ES conFAs1r,M w11l1 that mtNisttFud by IIIV G4lttI11wty$ I11031itoT-. 1-1OWL- cu. [tit day 6me mibient noise Iovels nieasklred oil 1)t±cer ber 22"'vv crG fl1tFC11 I1ighl 1-r NitUhing tllc mid to tlpp yr 50% dBA. Evcaing,Lmbi(-nt 316j'O JCVejs gj-'l(jl[:511]+ SII'0I2pe31 II urn 1110 daylilnc Ivvuls tv the mid 40's(IDA, vvith Elfghtliwcl m)js;c leveis k)1•:111g 1tjv.jSt[vcgJ M thie low In mid 40'b LIHA, Vie 110pe i1113 P17L1w11 US YotL wItIl tllc ill Ic)rmatj0r? Ihat Ir+ 31ccu5zi11ry 11t Illis titm I ryntl have gliesIiolas, pledge fuel Gee: Et,L'1}1luivi 3no at 617-499-K70. i7113E1'� }'ours, 11C'PI "I 'C j WC RPORAITM Rebecca Shuman Consu I larlL 1 Tid f igtFre#I ,irid #7 cc. .1cff FuIIMon I'V-I3X'?%g %!nFrvcy-0n AcenW,h PILE No, 721 12/ 3 ' 8 13- I D:Pf�'�ITECH INC 617 499 8074 POGE 4 Ambient NoigP Mi�aso re Melt I Flay Ifill Sits: Norlb Andover, MA December 21. Nqu t 7d - . . . . . - . . w--L90 -, . . . . . . . . . . . . . . . . . . . i j ' - . . . { L I 3I.5 (03 325 250 5Grk 140ftr# I11R VHH1 Born Octave Bond Center Fire ueocieli (M) FaUure 41 FILE No, 721 12/23 ` 8 i :5 I T ,PCv htTrzCH 1W 617 499 8074 PAGE 5 C co Off �= =s E GOIF 00:0 Ov-O 00'9 K o0'V 00:0 w � u � ` o 0 Judw QZ ej VSp) Eene l einssaid puno f 1-13—1 998 9= 2AM MOM A RILL LOB' I —2B—] ORCHARD ML ROAD ''ORTH ANDOVEitNA. 01845 TO: AMEEN COLW LL-TOWN PLANNER TOWN OF NORTjR s flOVMMA. FROM:STEVE POSTER DATE'l 1111I98 R -NOISE MEASUkMENTS AS RE QUES m-D PLEASE]BE ADVISED TTIAT DU-170N&GARFIEFD NC,. IS INTi'ENrDINCJ ro CONTRAST tf 'ASCJEN'tL•CH' OF CAMBRlDCEAIA, TO PROVIDE`BASE-S.,kNV SOUND A A$LTEIVIENTS AT THE ABOVE PRO GT;N ACCORDANT WTTH THE SPECIAL CONDITIONS NOTED WITRW I Hffi SITE PLAN REVW- -SPECIAL P1=.RM11, X-PF FUL€.ERTON Or, `ASCENTECH'(11L_f 617-499-8059)FS PREPARINCT A MOPOSAL vk FRC . DUTTON& GA FIE-L.D„INN. SHOULD RECEIVE Dy 71113199. WE.WILL FORWARD A COPY OF SANE TO YOU WHEN RECEIVED AND ALSO PR VTDE A SCUEOULE FOR FMI1 D WORD{ SOUND Nd EASURE TS E ARE PRESENTLY PROCEEDINO TO CLEAN TRR LANTD ON 11 A 219E FOLLOWED BY STLTI49P)(NG ANM EARTH M0VTNG OPERATIONS, PLEASIE CALL NM SHOULD YOU HAVE ANY CONCERNS FLECTARDING THE ABOVE. SINC ERELY: _fi_FT MAN C'1PRL\&WMI F i IA Fes: T