Specification of Noice & Voice Control

8/13/2019 Specification of Noice & Voice Control

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** ADD PROJECT NAME HERE** SECTION XX XX XX NOISE& VIBRATION CNTRL SECTION XX XX XX -NOISE AND VIBRATION CONTROL

1 - GENERAL

1.01 WORK INCLUDED

A. Sound Noise LevelsAttenuatorsVibration Controla!"iner# $ases

1.0% RELA&ED WORK

A. All e!"ani!al se!tions.

1.0' S(S&E DESCRI)&ION

A. *eneral

1. A!ousti! and vibration trans+ission !ontrol s"all be a,,liedon all -or to obtain t"e li+its s,e!i/ied.

%. Wor in!luded

a. All du!t s#ste+s and asso!iated eui,+ent -ill beattenuated to ,revent bot" trans+ission noise andbreaout /ro+ t"e eui,+ent at an# ,art o/ t"es#ste+.

b. All rotatin2 ,lant -ill be adeuatel# isolated /ro+ t"e+ain stru!ture o/ t"e buildin2 to ,revent t"etrans+ission o/ vibration.

!. All ,i,e-or -ill be suitabl# installed to ,revent unduestrain u,on eui,+ent it is !onne!ted to and isolationo/ rotatin2 eui,+ent is also reuired to ,revent t"etrans+ission o/ vibration.

'. All s#ste+s and eui,+ent s"all be sele!ted and installed to+eet t"e reuired noise !riteria s,e!i/ied "erein. W"ereite+s are not !overed t"en AS3RE *uide s"all be taen ast"e re/eren!e.

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** ADD PROJECT NAME HERE** SECTION XX XX XX NOISE& VIBRATION CNTRL 4. All Noise and vibration !ontrol studies and +aterial sele!tion

s"all be sub+itted to t"e En2ineer /or a,,roval.

$. Noise Control *enerall#

1. S#ste+ Des!ri,tion

a. S#ste+s s"all be installed on t"e basis o/ noise!ontrol to ,rodu!e t"e results set out in t"e s!"edulebelo-.

b. &"e eui,+ent ,rovided b# t"e Contra!tor s"all bedesi2ned and arran2ed to +aintain t"ese !riteria.

!. W"ere sound !"ara!teristi!s o/ sele!ted eui,+ent2ives e5!essive noise t"en attenuation treat+ent s"allbe a,,lied to a!"ieve t"e desired !riteria.

W"ere silen!ers are s!"eduled on t"e dra-in2s t"eContra!tor s"all be res,onsible /or an# ad6ust+ent insi7e reuired t"e +eet t"e desired !riteria8 based oneui,+ent /inall# sele!ted.

%. Noise Criteria 9 N.C.: level

&"e +a5i+u+ a!!e,table noise level /or t"e various areas isas /ollo-s

Lo!ation Specified Level

Corridors NC ';<40eetin2 Roo+s NC ';Ad+inistrative O//i!es NC ';&oilets8 Utilit# Roo+s NC ';<40Control Roo+ NC ';Su,er+aret Area NC ';<40Retail Area NC ';<40S"o,s NC ';<40Store NC ';<40ain Entran!e NC ';<40









** ADD PROJECT NAME HERE** SECTION XX XX XX NOISE& VIBRATION CNTRL Ca/=s NC ';

'. In<Du!t Attenuation

a. )ur,ose +ade attenuators s"all be ,rovided in t"e,ositions indi!ated on t"e dra-in2s. &"e attenuators

s"all redu!e t"e sound level ,rodu!ed b# t"e /an to ana!!e,table level in t"e o!!u,ied s,a!es. &"eattenuator s"all "ave adeuate stren2t" and !o"esionto resist erosion b# t"e air /lo- and s"all not ,rodu!edust. &"e a!ousti! in/ill s"all be /ree /ro+ odour and,roo/ a2ainst rot8 da+,8 ver+in. Ad"esive s"all be!o+,atible -it" t"e sound absorbent +aterial ands"all be non < /la++able.

C. Vibration Control *enerall#

1. S#ste+ Des!ri,tion

a. All eui,+ent and ,lant s"all be so desi2ned t"at itdoes not8 in itsel/8 vibrate e5!essivel#8 ,arti!ularl# i/its natural /reuen!# is belo- %0 37. &"e a,,aratuss"all be +ounted u,on resilient +ountin2s su!" as!or8 rubber or s,rin2s8 loaded !lose to t"e +a5i+u+and desi2ned to trans+it t"e least ener2# to t"e base-it"out ,er+ittin2 e5!essive os!illation o/ +a!"ines.

b. Sele!t eui,+ent -it" +ini+u+ out<o/<balan!e/or!es8 use !ontrol devi!es to isolate eui,+ent8,i,in2 and du!tin2 as ne!essar#.

!. All rotatin2 ,arts o/ eui,+ent s"all be balan!ed tobest !o++er!ial toleran!es be/ore leavin2 t"e /a!tor#.

1.04 RE>ERENCES

A. &"e latest editions o/ t"e /ollo-in2 standards s"all a,,l#

1. A+eri!an So!iet# /or &estin2 and aterials 9AS& :

a. AS& E4?? &estin2 Du!t Liner aterials and,re/abri!ated Silen!ers /or A!ousti!al and Air/lo-,er/or+an!e.









** ADD PROJECT NAME HERE** SECTION XX XX XX NOISE& VIBRATION CNTRL %. AS3RAE 3andboo S#ste+s < C"a,ter '; Sound and

Vibration Control. &"is s"all be re/erred to /or ite+s nots,e!i/i!all# !overed in t"is se!tion.

1.0; SU$I&&ALS

A. )rodu!t Data

1. Des!ri,tion literature /or ea!" o/ t"e a!tual ,ro,osedeui,+ent to be used in!ludin2

a. Ca,a!it#.b. Insertion Losses.!. )ressure Losses.d. >luid >lo-s.e. &est Re,orts./. Certi/i!ates o/ a,,roval.

$. S"o, Dra-in2s

1. S"o, dra-in2 /or ea!" o/ t"e a!tual ,ro,osed eui,+ents"all in!lude t"e /ollo-in2

a. Worin2 or +anu/a!turin2 dra-in2s.b. Cal!ulations.!. Installation details.

d. A!!essories available indi!atin2 t"ose in!luded.e. )i!tures.

2 - PRODUCTS

%.01 A&&ENUA&ORS

A. Constru!tion

&"e Contra!tor s"all su,,l# and /i5 a!ousti! insulation and noiseattenuator units -"ere ne!essar# to redu!e t"e air borne noisetrans+ission t"rou2" t"e distribution du!t s#ste+8 so t"at t"e s,e!i/iednoise !riteria levels are satis/ied.

< Attenuator Units









** ADD PROJECT NAME HERE** SECTION XX XX XX NOISE& VIBRATION CNTRL &"e attenuator units s"all be inserted in t"e du!ts -"ere t"e# ,asst"rou2" t"e +e!"ani!al roo+ -alls8 t"e 2a, bet-een t"e -all andattenuator bein2 ,a!ed -it" /elt to /or+ an air ti2"t seal. 3o-ever-"ere t"is is not ,ossible8 t"e attenuator s"all be /itted in t"e du!tbet-een t"e /an and t"e +e!"ani!al roo+ -all -it" t"e du!t

bet-een t"e silen!er and t"e -all a!ousti!all# la22ed to ,reventnoise re<entr#.

Attenuators s"all !onsist o/ attenuator s,litters -"i!" are asse+bledin one attenuator !asin2. S,litter !ase s"all be +ade /ro+2alvani7ed s"eet steel absor,tion +aterial +oisture re,ellent andabrasion ,roo/ u, to a,,ro5. '@00 /,+. 91 +Bs: air velo!it# densit#0 2B+' +ineral -ool8 !ontrol ,lates on sur/a!e o/ s,litters is+ade /ro+ 2alvani7ed steel s"eet.

Sound attenuator !asin2 s"all be +ade /ro+ 2alvani7ed s"eet steel8-it" ,re<drilled an2le /lan2es.

Attenuators or s,litters o/ lar2e !ross se!tion or len2t" !an be+anu/a!tured in +odular se!tion as reuired /or ease o/ site"andlin2.

< Internal A!ousti! Linin2 o/ Du!ts

< >urnis" and install du!t linin2 -"erever s"o-n on Dra-in2s.

< W"ere it is ,ossible to a!"ieve t"e reuired attenuation b# linin2t"e interior o/ du!t runs8 t"is +a# be a!!o+,lis"ed b# a,,l#in2 onein!" t"i! linin2 to t"e inside o/ t"e du!ts.

< Linin2 /or re!tan2ular du!ts s"all be se+i<ri2id /ibrous 2lass blanetand /or round du!ts s"all be /le5ible /ibrous 2lass blanet8 bot" -it"s,e!ial sur/a!e treat+ent and /or a,,aratus !asin2s8 lar2e ,lenu+s8and +asonr# air s"a/ts s"all be ri2id !oated /ibrous 2lass board.

< A!ousti! insulation s"all be suited to t"e at+os,"ere in -"i!" it is to

o,erate8 and s"all be in!o+bustible or sel/<e5tin2uis"in2 no /la+es,read 2rade8 ver+in ,roo/ and adeuatel# /i5ed to du!tin2 or+e!"ani!al roo+ -alls. Liner densit# s"all be ' lbs. ,er !u. /t.

< Du!t liners s"all be a,,lied -it" bot" +e!"ani!al /asteners and anad"esive. Ad"esives +ust be bot" -ater and /ire resistant.









** ADD PROJECT NAME HERE** SECTION XX XX XX NOISE& VIBRATION CNTRL e!"ani!al /asteners !ould be eit"er o/ t"e -elded ,in or i+,a!t ,int#,es. &"e len2t" o/ ea!" ,in s"all be enou2" to a!!o++odate t"es,e!i/ied liner t"i!ness. Was"ers on to, o/ t"e ,ins s"all retain t"eliner.

$. )er/or+an!es

1. Internal linin2 o/ du!t-or s"all be a,,lied -"ere ne!essar# toa!"ieve t"e reuired level. &"e linin2 s"all be %; ++ t"i! and'%2B+' densit# ot"er-ise as des!ribed /or attenuators above -it"+ini+u+ t"er+al !ondu!tivit# o/ 0.0;; WB+°C.

%. W"ere internal du!t linin2 is to be a,,lied t"e du!t s"eet +etal si7ess"all be in!reased to !o+,ensate and t"us +aintain t"e net /reeair-a# si7es noted on t"e dra-in2s as du!t si7es.

'. Internal du!t linin2 s"all "ave a /a!tor# bonded )VC !oatin2 /i5ed tot"e insulation -it" a s#nt"eti! rubber base ad"esive -"i!" is /la+eretardant -"en dr#.

%.0% VI$RA&ION CON&ROL DEVICES

A. Vibration isolation b# +eans o/ )ol#uret"ane Elasto+ers -it"o,en and !losed !ell stru!ture -it" a "i2" da+,in2 e//i!ien!#lastin2 /or a ver# lon2 ti+e 910 #ears or +ore:8 and d#na+i! loss/a!tor bet-een 0.1 0.' to ensure t"e isolation o/ vibration and

stru!ture borne noise.

$. Vibration isolation e//i!ien!# s"all be 0F on "i2" level on an#sus,ended /loor and ;F < 0F on t"e 2round.

C. Isolatin2 Co+,ensators W"ere eui,+ent is lo!ated on vibrationisolation +ounts or "an2ers8 isolatin2 !o+,ensators s"all beused8 su!" t"at t"e vibration isolation o/ t"e eui,+ent s"all bebrid2ed out.

D. S,rin2 ounts

1. W"ere s,e!i/ied s"all 2enerall# be o/ t"e un"oused steel!o+,ression t#,e "avin2 a "ei2"t to dia+eter ratio notabove %.0 in t"e loaded !ondition and ,rovidin2 +eans /orlevelin2 t"e eui,+ent. 3oused t#,e s,rin2 +ounts +a# beused onl# i/ t"e desi2n is sub+itted and a,,roved.









** ADD PROJECT NAME HERE** SECTION XX XX XX NOISE& VIBRATION CNTRL %. &"e s,rin2 desi2n s"all be su!" t"at t"e o,eratin2 de/le!tion

does not e5!eed %B'rds o/ t"e +a5i+u+ availablede/le!tion.

E. Su,,lier s"ould !"oose t"e +ost suitable and stable t#,e o/Elasto+ers b# ,resentin2 !al!ulations on t#,e o/ t"e Elasto+er!"osen8 its densit#8 ,ossible t"i!ness8 loaded sur/a!e area8 loaddistribution and ,er+issible values o/ de/le!tion /or allo-in2 aver# e//i!ient vibration da+,in2.

>. Su22ested Elasto+ers s"ould be resistant a2ainst !on!rete8 oils82reases8 diluted a!ids8 l#e8 -ater and aueous solutions as -ell as"#drol#sis and o7one and not be atta!ed +i!robiolo2i!all#.

%.0' AC3INER( $ASES

A. )rovide !on!rete bases /or all eui,+ents. Di+ensions andt"i!ness o/ ea!" base de,ends on t#,e o/ eui,+ent and isin!luded in !al!ulations to be sub+itted /or a,,roval.

$. Contra!tor s"ould !oordinate -it" !ivil En2ineer in !"ar2e ands"ould "ave "is ,er+ission a/ter !"e!in2 t"e /ollo-in2 ,ointsdurin2 !al!ulations

-1 &o !"e! i/ t"e ori2inal slab !ould sustain t"e total load o/

t"e +a!"ines and t"e !on!rete bases as ,er t"e 2ivenloads.In t"e ot"er -ords8 t"e load !arr#in2 !a,a!it# o/ t"e slab"as to be /ull# re!"e!ed.

-2 &o !"e! a2ain i/ t"e e5istin2 slabs on -"i!" t"e +a!"inesare ,la!ed are sti// enou2" and not overloaded. &"e ori2inalslabs s"ould not be overloaded and t"e ne!essar#,re!autions taen -it" t"e usual +ar2ins.

3 - EXECUTION

'.01 EGUI)EN& CONSIDERA&ION

A. >ans









** ADD PROJECT NAME HERE** SECTION XX XX XX NOISE& VIBRATION CNTRL 1. >le5ible !ollar !onne!tions bet-een /ans and du!t-or s"all

be !orre!tl# ali2ned.%. Centri/u2al /ans and +otor asse+blies s"all be +ounted on

a ri2id !o++on inertia base8 t"e -"ole +ounted on s,rin2and rubber vibration isolation +ounts.

'. >or all /ans "avin2 +otor si7e ?.; - or lar2er8 bases s"allbe o/ steel and !on!rete -ei2"in2 as +u!" as t"e /an +otorasse+bl#. $ases s"all be su//i!ientl# ri2id to resist an#t-istin2 or bendin2 /or!es8 and an# d#na+i! /or!es8 -it"out!reatin2 vibration o/ t"e base o/ an# ot"er +e+ber o/ t"easse+bl#.

4. All "oldin2 do-n bolts s"all be installed so as to avoidbrid2in2 o/ isolation.

$. )u+,s

1. All ,u+,s s"all be sele!ted /or t"e "i2"est e//i!ien!#!onsistent -it" t"e s,e!i/ied dut#8 but it is 2enerall#desirable t"at t"e ,u+, i+,eller dia+eter s"ould note5!eed 0.0 o/ t"e +a5i+u+ i+,eller dia+eter !a,a!it# o/t"e ,u+, "ousin2 to redu!e t"e ,ossibilit# o/ tonal e//e!ts.

&"e +otor and ,u+, asse+bl# s"all be +ounted on a ri2idsteel and !on!rete inertia base o/ euivalent -ei2"t to t"e

,u+,<+otor asse+bl#8 t"e -"ole +ounted on s,rin2isolation +ount sele!ted /or at least 0F isolation e//i!ien!#but in an# !ase "avin2 a +ini+u+ de/le!tion o/ %;++.

%. )u+, bases s"all be desi2ned to su,,ort t"e -ei2"t o/elbo-s8 valves and ot"er /ittin2s -it"out !reatin2 unduestress on t"e ,u+, asse+bl#.

'.0% )I)IN*

A. )rovide /le5ible !ou,lin2s and vibration isolators /or t"e -ater!ir!ulatin2 ,u+, !onne!tions8 to ,revent t"e trans+ission o/sound t"rou2"out t"e buildin2.

$. Isolate ,i,e "an2ers -it" ELAS&OE&RIC isolators to redu!evibration trans+ission to t"e buildin2.









** ADD PROJECT NAME HERE** SECTION XX XX XX NOISE& VIBRATION CNTRL C. >loor su,,orts /or ,i,in2 in eui,+ent roo+s and ad6a!ent to

isolated eui,+ents s"ould use Elasto+etri! vibration isolators.

D. 3an2ers ad6a!ent to noise sensitive areas s"ould be Elasto+etri!or s,rin2 and rubber !o+bination.

E. W"ere un<insulated ,i,elines ,enetrate +asonr# -alls and /loorsbet-een eui,+ent roo+s and riser du!ts8 riser du!ts and !eilin2s,a!es et!.8 t"e# s"all be isolated /ro+ dire!t !onta!t -it" t"estru!ture be sleevin2 -it" "i2" densit# /iber2lass8 /elt or ot"era,,roved +aterial. Care s"all be taen to ,rovide a /ull a!ousti!alseal at su!" ,enetrations.

>. )o-er leads8 eart"<-ires8 and servi!e ,i,es s"all be ,rovided -it"/le5ible !onne!tions at !onvenient ,oints !lose to t"e +a!"ine.

'.0' A3U

)ut Elasto+etri! ,ads or s,rin2 isolators as ne!essar# andre!o++ended b# unit su,,lier under ea!" A3U to isolate vibration andstru!ture borne noise -it" e//i!ien!# ; < 0F.

'.0; VI$RA&ION ISOLA&OR SC3EDULE

Equipment Isolator Type

IsolationE//i!ien!#

FSu,,l# and returnair !entri/u2al >ansand e5"aust >ans

R) H 1400

R) 1000

Inertia base ,lus Elasto+er+ounts

Inertia base ,lus s,rin2 +ounts

0

0

A3U Elasto+er or s,rin2 isolators ; 0

END O> SEC&ION JJ JJ JJ









** ADD PROJECT NAME HERE** SECTION XX XX XX NOISE& VIBRATION CNTRL

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Specification of Noice & Voice Control