National Building Code of India

8/13/2019 National Building Code of India

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NATIONAL BUILDING CODE

SALIENT FEATURES FIRE & LIFE

BY Jasvinder Singh



Introductio

• In the fied !f "r!"ert# $anage$ent it is !f %t$!sti$"!rtane t! 'n!( g!vern$ent r%es & reg%ati!ns

g!verning high)rise *%idings fr!$ the fire safet# & firefighting "!int !f vie(+

• S%ita*e "r!visi!ns sh!%d *e $ade in a $%ti)st!ried,

high)rise *%idings de"ending !n the !%"an# & height

!f the *%iding & sh!%d *e in a!rdane t! the

"r!visi!ns !f "art I- Fire .r!teti!n !f the NBC !f India+

• In additi!n t! these "r!visi!ns, the "r!"ert# $anager !r

se%rit# in) harge sha $a'e arrange$ents f!r e/tra

e0%i"$ent re0%ired, if

fet neessar#, and sha revie( it "eri!dia# t!

ens%re the "r!"ert# a(a#s !$"# (ith the

$andat!r# re0%ire$ents+

•



B%iding• A !ad)*earing ee$ents !f !nstr%ti!n f!r (hih the re0%ired fire resistane is !ne

h!%r !r $!re sh!%d *e !f n!n)!$*%sti*e $ateria+

• Interi!r finish $ateria 1(a "aneing, f!!r !verings et+2 $%st have rating f!r fa$es"read &

s$!'e deve!"ed n!t e/eeding ver# !( fa$e s"read i$it & sh!%d *e in a!rdane

• Ceiing in'ing sha *e n!n)!$*%sti*e !r !f

• Stair(a#s & !rrid!rs sh!%d n!t !ntain an# !$*%sti*e

• Str%t%ra s%""!rts & !ad *earing (as sh!%d *e 8 h!%rs Fire resistant, trans!$s &eiin n!t ess than 7 h!%rs+

• 9as:"artiti!ns se"arating !rrid!rs f!r$ f!!r %sed f!r an# "%r"!se !ther thanir%ati!n sh!%d *e Fire resistant n!t ess than 4 hr+ These sh!%d n!t have !"enings!ther than d!!rs !r deiver# hathes, (hih sh!%d *e at east ; h!%r Fire resistant+

•

Fire(as dividing the *%iding t! "revent Fire s"read sh!%d *e at east 7 h!%rs

• Faades e/%ding d!!rs & (ind!(s sh!%d *e !f n!n)!$*%sti*e $ateria & thedistane *et(een the t!" !f the !"ening !n the !(er f!!r & the sti !f that !n the f!!ra*!ve it sh!%d *e at east <+ = $eters s! that the Fire (!%d have t! trave the distane



Stairase

• Interna en!sing (as !f the stairase sha *e !f *ri' !r RCC (ith a Fire resistane!f 7 h!%rs & sha *e reaha*e via a ventiated !**# thr!%gh sef)!sing d!!r rated

n!t ess than 7 h!%rs & sha n!t have ga>ed !r gass *ri's+

• The d!!r sh!%d *e singe s(ing t#"e !"ening in the direti!n !f esa"e & sh!%d *efitted (ith he' seti!n d!!r !s%res ani *ars +

• The stairase sha *e ventiated t! !n the e/terna (a !f the *%iding at eah anding !r$id anding, (hih sh!%d n!t *e a "art !f !$$!n !rrid!r+

• .er$anent vent at the t!" e0%a t! ?@ !f r!ss seti!na area !f the en!s%re &!"ena*e sashes at andings (ith area n!t ess than <+ ?)s0+$+ !n e/terna (a sha *e"r!vided+ The t!" !f the shaft sha *e 4$+ a*!ve the s%rr!%nding r!!f+

• The interna (as !f the stairase sh!%d n!t have ga>ed !r

• If the stairase ann!t *e ventiated, eetria# !"erated *!(ers sh!%d $aintain a

!sitive ress%re !f ?)$$ (ater a% e+

• .ress%ring $ehanis$ sh!%d !"erate a%t!$atia# (hen Fire aar$ !"eratesthis an as! *e ! erated $an%a if re %ired+



Lift

• 9as en!sing ift shafts sh!%d *e 7 h!%rs Fire rated+

• Shafts sh!%d have "er$anent vent at the t!" n!t ess than 4<< $$ 1<+7s0+$+2 in ear area+

• Lift $ahine r!!$s sh!%d *e "refera*# a*!ve the shaft & *e se"arated fr!$ theen!sing (as !f the shaft+

• Landing d!!rs sh!%d !"en int! a ventiated !r "ress%rised !rrid!r:!**# & sh!%d *e 4 h!%rFire rated+

• The n%$*er !f ifts in !ne ift *an' sh!%d n!t *e $!re than 6+

• The shaft !f the Fire ift sha *e se"arated fr!$ the *an' *# *ri' !r RCC (a (h!se Firerating sh!%d *e 7

h!%rs+

• If the shaft & the !**# are in the !re !f the *%iding a "!sitive "ress%re n!t ess than 7+?$$ & n!t $!re than 8 $$ !n (ater ga%ge f!r !**# & n!t ess than ? $$ in the shaft sh!%d*e $aintained *# eetria# !"erated *!(ers (hih sh!%d !"erate a%t!$atia# (heneverFire aar$ !"erates+ The $ehanis$ sh!%d as! have faiit# t! !"erate $an%a#+

• E/it fr!$ the !**#, if !ated in the !re !f the *%iding, sha *e thr!%gh a sef)!sing s$!'est!" d!!r !f ;

h!%r rating+

• ahiner# !ther than that !f the ift sha *e instaed in the ift $ahine r!!$+



FireLifts

• The ifts sh!%d have a f!!r area n!t ess than 4+6 s0+$+ 9ith a $ini$%$di$ensi!n !f 4+7 $+ &

• Aternate "!(er s!%re !f ade0%ate a"ait#, (h!se a*e r%n (ithin theshaft sh!%d *e "r!vided, (hih sh!%d a%t!$atia# tri" !ver in an eetria

• The Fire ift sh!%d !"erate *# a si$"e t!gge !r t(!)*%tt!n s(ith sit%ated at

entrane eve in a gass !ver *!/ "aed adaent t! the ift+ 9hen thes(ith is !"erated, a a "!ints (i *e!$e in!"erative & the ift (i *e !nar !r "ri!rit# !ntr! devie & (i ret%rn *a' t! n!r$a !ne the s(ith is

• The (!rds FIRE LIFT sh!%d *e !ns"i%!%s# dis"a#ed in f%!resent "aint

• The ifts sh!%d have d!!rs rated at east f!r

• The s"eed !f the fire ift sh!%d *e s%h that it reahes the t!" f!!r fr!$the r!%nd eve (ithin 4 $in%te+



Basements

•

-ents (ith r!ss seti!na area n!t ess than 7+?@ !f the f!!r sh!%d *e s"readeven# ar!%nd the "eri$eter !f the *ase$ents+

• A s#ste$ !f air inets & !%tets at the *ase$ent f!!r eve & s$!'e !%tets at the*ase$ent eiing eve $%st *e "r!vided+

• Inets & !%tets sh!%d ter$inate at gr!%nd eve (ith *rea'a*e sta *!ards !r"ave$ent ights & sh!%d *e in a "!siti!n easi# aessi*e t! FIRE BRIGADE

"ers!nne f!r res%e "%r"!se & sh!%d *e ear# $ar'ed SOE OUTLET !r AIR

• Stairase !f *ase$ents sh!%d *e en!sed t#"e having Fire resistane !f n!t

• Stairase sh!%d *e sit%ated at the "eri"her# !f the *ase$ents & !"en !n the gr!%nd

• C!$$%niati!n (ith the *ase$ent sh!%d *e thr!%gh a !**# "r!vided (ith fireresistant & sef !sing d!!rs !f at east f!r 4h!%r rating+

• The stairases sh!%d *e s! "r!vided that a !%"ants (ith!%t having traveed$!re than 4+?<



Basements –• A singe inta'e d%t $a# serve a *ase$ents, *%t eah *ase$ent & !$"art$ents

there!f sha have se arate s$!'e !%tet d%ts+

• ehania s$!'e e/trat!r f!r the s$!'e venting s#ste$ sh!%d *e "r!videdfr!$ the !(er *ase$ent eve & sh!%d at%ate (ith the heat sensitive detet!rs !r

• The s#ste$ sh!%d as! have an arrange$ent !f starting it $an%a# *%t at te$"erat%ren!t ess than

• ithen & "antr# (!r'ing !n gas f%e sh!%d n!t *e "er$itted in the

• De"art$enta st!res & sh!"s are as! n!t "er$itted in the *ase$ents %nesss"eifia# designed f!r the "%r"!se+



F!!r S"ae Divisi!n H Servie

F L OO R S . A CE

• If the area !f the f!!r e/eeds ?<)s0+ $+ it sh!%d *e se"arated int! !$"art$entsn!t e/eeding the a*!ve)s"eified area *# $eans !f (a having fire resistane !f n!t

• The fire(as sh!%d *e s! ereted that it d!es n!t e/eed a distane !f

• If f!!rs have s"rin'er s#ste$, the a*!ve)$enti!ned area an *e

S E R - ICE

• A (a having a resistane n!t ess than 7h!%rs sh!%d en!se

• Ins"eti!n d!!rs sh!%d as! fire resistane !f

• The d%ts sh!%d *e seaed (ith ight n!n)!$*%sti*e $ateria if the r!ss seti!na

area !f the d%t e/eeds 4 s +$+

• A "er$anent vent $%st *e "r!vided at the t!" !f the servie shaft !f r!ss)seti!nedarea n!t ess than 65< s0+$+ OR 5+7? $+ F!r eah =<<)s0+ $+ Area !f the shaft,



Ref%se Ch%tes & Ref%se

• !""ers %nder ref%se h%tes $%st *e sit%ated in a (e ventiated "!siti!ns &h%tes sha *e !ntin%es %"(ards (ith an !%tet a*!ve r!!f eve en!sed in a n!n)

!$*%sti*e (a rated n!t ess than 7 h!%rs+

• The h!""ers sha n!t *e !ated (ithin the stairase

• O"enings !f ins"eti!n "anes & harging stati!ns sha *e fitted (ith ight fitting!vers havin resistane n!t ess than 4 h!%r+

• Fa" d!!rs:!vers i+e+ "%sh)in !r ift)%" t#"es is n!t

• Ref%se h%tes sha n!t *e "r!vided in stairase (as, air)

• 9as, r!!fs, f!!rs !f ref%se ha$*ers sh!%d *e !f i$"ervi!%s n!n) !$*%sti*e$ateria (ith a resistane !f at east 7 h!%rs & $%st *e !ated at a safe distane fr!$



Stairase & C!rrid!r Lighting• These ighting sh!%d *e !n a se"arate ir%it inde"endent# !nneted & sh!%d *e

!"erated *# !ne s(ith instaed !n the gr!%nd f!!r "refera*# in the se%rit#

a*in & easi# aessi*e t! the fire fighting tea$ at a ti$es+

• These ighting sha as! have an aternate "!(er s!%re !nneted t! it & sh!%d*e as "er IS

• D!%*e thr!( s(ith sha *e instaed t! ens%re ighting in stairase & !rrid!rs d! n!tget !nneted t! t(! s!%re !f s%""# si$%tane!%s#+

•

Servie r!!$ sh!%d as! have a d!%*e thr!( s(ith t! ter$inate stand *# s%""#

• E$ergen# ights $%st *e "r!vided in stairase:!rrid!rs in a high rise & $%ti)



Eetria

• Distri*%ti!n a*es and (ires sh!%d *e aid in a se"arate d%t, (hih sh!%d *e

seaed at aternate f!!rs (ith n!n)!$*%sti*e $ateria having fire resistane e0%ivaentt! that !f the d%t+

• 9ater $ains, tee"h!ne ines, inter!$ ines, gas "i"eine, !r an# !ther servie ine

sh!%d n!t *e aid in this d%t+

• Se"arate ir%its f!r (ater "%$"s, ifts, stairase & !rrid!r ighting & *!(ers f!r

"ress%rising s#ste$ sha *e "r!vided diret# fr!$ the $ain s(ithgear "ane+

•These ir%its $%st *e aid in se"arate !nd%it "i"es s! that fire in !ne d!es n!t affetthe !thers+

• aster s(ithes !ntr!ing essentia servies sha *e ear# $ar'ed f!r eas#identifiati!n+

• Ins"eti!n "ane d!!r !r an# !ther !"ening in the shaft $%st *e "r!vided (ithairtight fire d!!rs having resistane n!t ess than 7 h!%rs+

• edi%$ & !( v!tage (ires in the shaft r%nning (ithin fase eiing sha *e in $eta

!nd%its+

• Inde"endent & (e ventiated servie r!!$ sha *e "r!vided !n the gr!%nd eve

fr!$ !%tside !r !rrid!r f!r ter$inati!n !f eetri s%""# fr!$ the ienseesK servie& aternate s%""# a*es, the d!!rs "r!vided f!r s%h r!!$ sh!%d *e fire resistant f!r

at east 7 h!%rs+



Aternate S!%re !f .!(erS%""#

. O 9 E R

• Stand*# D+G+ Set sha *e instaed t! s%""# "!(er t! the stairase: !rrid!r ightingir%its, fire ifts, stand*# fire "%$", *!(er:"ress%risati!n fans, da$"ers & s$!'ee/trat!rs in ase n!r$a "!(er s%""# fais+

• The generat!r sha *e a"a*e !f ta'ing starting %rrent !f a the $ahines & ir%its

• If stand*# "%$" is diese driven, the generat!r s%""# need n!t *e

L. G S U.. L Y

• These "i"es sha r%n in shaft e/%sive f!r this "%r"!se & sha *e !n e/terna (asa(a# fr!$ the stairases+

•

There sha *e n! inter)!nneti!n *et(een the shaft & rest !f

• Gas $eters sh!%d *e h!%sed in s"eia# fa*riated $eta %"*!ards, (e ventiated &!ated !n the r!%nd eve+



Air• D%ts sh!%d *e !nstr%ted !f s%stained ga%ge $eta in a!rdane (ith IS3 5??

s eifiati!ns ETAL AIR DUCTS Revised

• O"enings ar!%nd d%ts "assing thr!%gh fire(as !r f!!rs sh!%d *e "r!"er# seaed (ith fire resisting $ateria s%h as as*est!s r!"es !r verna%ar !nrete gass (!!+

• As far as "!ssi*e, $etai d%ts sha *e %sed even f!r

• ateria %sed f!r ins%ating the d%t s#ste$ *!th fr!$ inside and !%tside sha *e !fn!n)!$*%sti*e $ateria s%h as ass (!!, s %n ass (ith ne! rene fain +

• Area !f $!re than ?< s0+$+ !n an individ%a f!!r sha *e se"arated *# fire (a& a%t!$ati da$"ers f!r is!ati!n sha *e "r!vided (here the d%t "ass thr!%gh (a+

• Air d%ts serving f!!r areas, !rrid!r et+ sha n!t "ass thr!%gh the

• AU %nits sha as far as "!ssi*e *e se"arate f!r eah f!!r, air d%ts f!r eah f!!rsh!%d *e se"arate

• A%t!$ati fire da$"ers sha *e "r!vided at the inet !f fresh air d%t & ret%rnair d%t !f eah !$"art$ent !n ever# f!!r+ The# sha *e s! arranged as t! !se*# gravit# in the direti!n !f air $!ve$ent & t! re$ain tight# !sed %"!n !"erati!n !f



Transf!r$

• Transf!r$ers h!%sed in *ase$ents $%st *e in the first *ase$ent in a se"arate fireresistant r!!$ !f 6

• The r!!$ sh!%d either have fi/ed a%t!$ati gas s%""ressi!n !r high "ress%ree$%sif#ing s#ste$ as "er re0%ire$ent t! "r!tet the transf!r$ers h!%sed in*ase$ents & sha have $eta d!!r !f 7 hrs+ rating at entrane having diret aess

• S(ithgears $%st *e h!%sed in a se"arate r!!$ a(a# fr!$ the transf!r$er *a# havingfire resistane !f at east 6 h!%rs+

• Transf!r$ers at gr!%nd eve sha *e %t !ff fr!$ the rest !f the "!rti!n *# a (a!f 6 h!%rs fire resistane+

• Transf!r$ers are n!t t! *e h!%sed !n %""er

• RCC !nstr%ti!n a"a*e !f a!$$!dating entire !i !f transf!r$er $%st *e at!(er eve f!r !etin !i fr!$ ath it in e$er en +

•.i"e !nneting ath "it t! the tan' sh!%d *e !f n!n)!$*%sti*e $ateria &$%st have fa$e arrester+



.r!visi!n !f Fire FightingE0%i"$ent

•Fire fighting e0%i"$ent sha *e distri*%ted a !ver the *%iding in "r!"!rti!n t!the area & !%"an# !n ever# f!!r, *ase$ent, ift r!!$, et+ in

• .re$ises sha *e "r!teted *# (et riser:(et riser)%$) d!(n !$er, a%t!$atis"rin'er:high "ress%re (ater s"ra# !r f!a$ generating s#ste$+ 9ater tan's & fire"%$"s re0%ired f!r this "%r"!se sha !nf!r$ t! the re0%ire$ents !f NBC+

• A $ini$%$ !f t(! h#drants $%st *e "r!vided (ithin a

• 9et riser)%$)d!(n !$er in the *%iding sh!%d *e arranged *# $eans !f vertia rising$ains !f n!t ess than 4< rr+ interna dia$eter (ith h#drant & h!se ree !n eahf!!r anding !nneted t! an !verhead (ater st!rage tan' f!r fire fighting "%r"!se+This sh!%d *e thr!%gh a *!!ster "%$" (h!se he' & n!n)ret%rn vave $%st *e neart! the tan'+ Gate and n!n)ret%rn vave $%st *e fi/ed !ver the %ndergr!%nd stati tan'+

• Fire servie inet at gr!%nd eve (ith a n!n)ret%rn vave sha *e "r!vided f!r harging

the risin $ain * servie %$ n!t e/eedin 7<<< R+.++ in ase the stati %$ fais+



.r!visi!n !f Fire Fighting E0%i"$ent H

• 9ater in the fire tan's sha e/%sive# *e %sed f!r fire fighting & is n!t t! *e %tiisedf!r d!$esti !r an !ther %se+

• The si>e !f the riser in *%idings !ver 76 $eters sha *e !f 4? $+ Interna dia$eter (itht(in h#drant !%tets & h!se ree !n eah f!!r+

• A faiit# t! *!!st (ater "ress%re in the riser diret# fr!$ the $!*ie "%$" $%st *er!vided t! the (et riser s ste$ (ith he': ate:n!n)ret%rn vave+

• R%**er h!se ree (ith interna dia$eter n!t ess than 4= $$+ A!ng (ith sh%t)!ff *ranh

(ith n!>>e !f 6+$$ $%st as! *e "r!vided+

• IS3 8566 s"eifiati!ns, C!de !f "ratie f!r instaati!ns, !f interna fire h#drants in$%ti st!ried high rise *%idings sh!%d *e adhered t!+

• First aid h!se 1r%**er2 rees sh!%d !nf!r$ IS3 6 s"eifiati!ns & sh!%d *e!nneted t! !ne !f the fe$ae !% in s !f the andin vave diret t! the riser+



Stati 9ater St!rage

• S%ffiient (ater sh!%d a(a#s *e avaia*e f!r fire fighting "%r"!se in the%ndergr!%nd tan' &

• Re"enish$ent !f (ater fr!$ $ain:aternate s%""# sha *e 4,<<<

• Stati tan' (ater sh!%d *e easi# aessed *# fire engines *# (a# !f s%ffiient$anh!es "r!vided in the tan'+

• D!$esti tan' !nneted t! the stati tan' sh!%d have an !verf!( disharge a"ait#!f 77?< iters er $in%te t! a visi*e drain !int+

• S%ti!n !f d!$esti s%""# $%st *e fed thr!%gh an !verf!( fr!$ stati tan' t! av!idstagnati!n !f (ater, $aintaining the $ini$%$ a"ait# re0%ired+

• Fire Brigade !eting *reahes 16 N!s+2 58)$+$+ Dia+ t(! !f (hih sh!%d *e f!r"%$" !f 46<<

• Instantane!%s $ae inet arrange$ent in the vave *!/ at a s%ita*e "ae & !nneted

t! stati tan' *# fi/ed "i"e n!t ess than 4? $+ Dia+ t! disharge (ater at 77?<trs:$in+ sha as! *e $ade t! faiitate fire *rigade+



A%t!$ati S"rin'ers ) E$%sif#ing S#ste$

F!a$ Generating S#ste$ ) Gas S%""ressi!n

S#ste$ H Lightning .r!teti!n S#ste$

A U T O A TI C S . R IN L E R S• These sha *e instaed in *ase$ents: ar "ar's if the area e/eeds ?<<s0+$+

• An# r!!$ !r !$"art$ents !f high rise *%iding e/eeding ?<< s0+$+

•

Sh!"s & de"art$ent st!res e/eeding an area !f ?< s0+$+• 9areh!%ses & G!d!(ns as !nsidered neessar#+

• A f!!rs !f $i/ed !%"an#, (hih an !nstit%te ha>ard & is n!t "r!vided (ith inde"endent stairase+

E U S IFYI NG S YS T E • A%t!$ati high)"ress%re (ater s"ra# e$%sif#ing s#ste$ sha *e "r!vided t! "r!tet

transf!r$ers !f a s%*)stati!n in *ase$ents+

FO A G E N E R A TI NG S YS T E • The s#ste$ sh!%d *e "r!vided f!r "r!teti!n !f aniar# st!rage !f !is !r

fa$$a*e i0%ids in *ase$ents+

G A S S U. R E SS IO N S YS T E • This s#ste$ sha *e "r!vided as "er IS3 587 !de t! a s%h "aes (here (ater !r

f!a$ ann!t *e %sed f!r e/tin %ishin fire *ea%se !f s eia nat%re !f the !ntents+



Fire Aar$ S#ste$• A *%siness and ind%stria *%idings sha *e e0%i""ed (ith $an%a# !"erated

eetria fire aar$ s#ste$ (ith !ne !r $!re a *!/es !ated at eah f!!r+ The a

*!/es sha *e s! !ated that !ne !r !ther !f the$ sha *e aessi*e t! a!%"ants !f the f!!r (ith!%t having t! trave $!re than

• The a *!/es sha *e !f the *rea')gassK t#"e (ith!%t an# $!ving "arts (here the ais trans$itted a%t!$atia# t! the !ntr! r!!$+

• A a *!/es sha *e (ired in a !se ir%it t! the !ntr! "ane at the !ntr! r!!$, (hih sh!%d *e !ated !n the entrane f!!r !f the *%iding+ The indiati!n !f the f!!r

n%$*er (here the a *!/ is at%ated !%d *e seen !n the !ntr! "ane+ The ir%itsh!%d as! have *atter# *a' %" !f 6 h!%rs a"ait# (!r'ing at f% !ad and sha*e arranged t! tri'e harge !ntin%!%s# fr!$ eetria $ains+

• The a *!/es sha *e arranged t! s!%nd !ne !r $!re s!%nders s! as t! ens%re a!%"ants !f the *%iding are (arned (henever an# a *!/ is at%ated+

• The a *!/es sha *e s! instaed that the# d! n!t !*str%t the e/it)(a# and #et the!ati!n an *e n!tied fr!$ either direti!n+ The *ase !f the a *!/ sha *e at aheight !f 4 $eter fr!$ the f!!r eve+

• In additi!n t! this, a%t!$ati fire aar$ s#ste$ i+e+ eat : S$!'e sensitive t#"edetet!rs sha *e instaed as "er the area & !%"an# in *%idings e/eeding76 $eters height & sh!%d *e in a!rdane (ith IS3 74= !de !f "ratie+



C!ntr! R!!$ H Fire Dris & FireOrders

C O N T R O L R OO A *%idings $enti!ned in reg%ati!n 46 e/e"t residentia *%idings sha have a !ntr! r!!$,!n the entrane f!!r !f the *%iding (ith !$$%niati!n:"%*i address s#ste$ t! a f!!rsa!ng (ith detais !f fire fighting e0%i"$ent and instaati!ns+ The !ntr! r!!$ sh!%d as! havethe faiit# t! detet fire !n an# f!!r thr!%gh the $ain !ntr! "ane+ The !ntr! r!!$ sha *e$anned r!%nd the !'+ The !ntr! r!!$ sh!%d as! have a Fire A/e+

F IR E D R ILL S & F IR E O R DE R SFire n!ties :!rders sha *e dis"a#ed "r!$inent# in the *%iding indiating the re0%ire$ents !ffire fighting & eva%ati!n in the event !f fire !r !ther e$ergenies+ A the !%"ants !f

the *%iding sha *e th!r!%gh# fa$iiari>ed (ith the !ntents and ati!n needed in the event !fan e$ergen#+

N!te3 These a(s are in a!rdane (iththe IS s"eifiati!nsas $enti!ned

JAS-INDERSING CIISAERS O.SEC

National Building Code of India

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Transcript of National Building Code of India