Common Code Requirements for Fire Alarm Systems NFPA 70

88 Pages·1998·0.3 MB·English

by  Rich Crouse

Common Code
Requirements for
Fire Alarm Systems
•• NFPA
•• 70-1996
•• 72-1996
•• 90A-1996
•• 101-1994
•• BOCA — Basic National Building Code
•• SBCCI — Standard Building Code
•• ICBO — Uniform Building Code
•• IFCI — Uniform Fire Code
•• IMC — International Mechanical Code
ª 1998 Simplex Time Recorder Co. FA2-91-010
eciton tuohtiw egnahc ot tcejbus era dna ,noitacilbup fo sa tnerruc erew noitamrofni rehto dna snoitacificeps llA . Ed 2 98
roF ruoy ,ecnerefer xelpmiS sah detcartxe dna detide desu-ylnommoc snoitcesmorf
APFN dna dezingocer gnidliub sedoc taht era tnatropmi ot efil ytefas dna erifmrala
.smetsys
This material is not intended to be used as a substitute for the current, complete
codes applicable in your area or the local authorities having jurisdiction. This
tylnl a ensisroa r.irf eduoeetecht altat midispamwoc
Contents
snoitinifeD ................................ ................................ ............................. 1
NFPA 70 National Electric Code (NEC) ................................ ............... 3
NFPA 72-1996 Chapter 3 General Guidelines
smetsy Smral Aeri Frof ................................ ................................ .......... 9
NFPA 72-1996 Chapter 5 General Guidelines
for Heat and Smoke Detectors ................................ ............................. 21
NFPA 72-1996 Chapter 6 General Guidelines
rof noitacifisteocNnailppA ................................ ................................ .. 33
NFPA 72-1996 Chapter 7 General Guidelines
smets ymSra leAr igFniniatni ad Mn,agnits e,Tgnitceps nrIof ............. 39
APFN A09 larenesGenilediuG ................................ ........................... 41
NFPA 101-1994 General Guidelines ................................ .................. 43
AsCeOnBi ll eadrieunGeG ................................ ................................ .. 59
ICCBS lareneGsenilediuG ................................ ................................ . 67
ICBO General Guidelines ................................ ................................ ... 73
IMC General Guidelines ................................ ................................ ..... 79
Notes ................................ ................................ ................................ .... 81
iii

Definitions
NFPA 72-1996 — National Fire Alarm Code
Local Fire Alarm System
A system which provides alarm notification for evacuation and other system
snoitcnuf ylno ta eht detcetorp .sesimerp ehT yramirp esoprup gniebefil
.noitc eyttor r egpepnso ioryepprbr au,d pynetohectfeass
Auxiliary Fire Alarm System
A system which provides the communication means between the protected
premises and the fire department.
Remote Station Fire Alarm System
A system which provides the means of transmitting alarm, trouble, and
yrosivrepus slangis ot a etomer gnisivrepus noitats erehw ,deniart
tnetepmoc lennosrep era ni tnatsnoc.ecnadnetta
Proprietary Fire Alarm System
An installation of fire alarm systems that serve one property or multiple
seitreporp rednu eno pihsrenwo morf a yrateirporp gnisivrepusnoitats
detacol ta eht detcetorp ytreporp erehw ,deniart tnetepmoc lennosrep erani
constant attendance.
Central Station Fire Alarm System
A system or group of systems which provides competent operators at a
gnisivrepus ,noitats ohw nopu tpiecer fo a langis morf eht detcetorp
premises takes appropriate action. Central station service is controlled and
detarepo yb a ,nosrep ro noitaroproc esohw ssenisub si eht,gnihsinruf
maintaining, or monitoring of supervised fire alarm systems.
Emergency Voice/Alarm Communication
Systems providing dedicated manual and automatic facilities for the
origination, control, and transmission of information and instructions
gniniatrep ot a erif mrala ycnegreme ot eht stnapucco gnidulcni(erif
department personnel) of the building. These systems have minimum
requirements for emergency voice/alarm communication.
NFPA 90A — Installation of air conditioning and ventilating systems, 1996 edition.
enO“ fo eht sesoprup fo siht dradnats si ot edivorp dedeennoitamrofni
concerning the proper use of smoke detectors in duct applications.”
NFPA 101-1994 — Code for safety to life from fire in building and structures,
.no i4t9i9d1e
“The purpose of this code is to establish minimum requirements that will
e deeilevbro ag ranefypodot sema”fo e.are rssfrseigrf n unidtidnclauirutbs
1
BOCA, SBCCI, ICBO — ehT“ lanoitaN cisaB gnidliuB edoC dna lanoitaNeriF
noitneverP edoC dehsilbup yb eht gnidliuB slaiciffO dna edoC
Administrators International (BOCA), the Uniform Building and Uniform Fire
edoC fo eht lanoitanretnI ecnerefnoC fo gnidliuB slaiciffO ,)OBCI( dnaeht
dradnatS gnidliuB edoC dna eht dradnatS eriF noitneverP edoC foeht
nrehtuoS gnidliuB edoC ssergnoC lanoitanretnI )ICCBS( lla evahecnerefer
to fire alarm requirements.”
ynaM setats dna seitic evah detpoda eseht ledom gnidliub sedoc ni lluf roni
.trap
tlusnoC“ htiw ruoy lacol ytirohtuA gnivaH noitcidsiruJ ot yfirev eht
” . sarrteuonrofeaymeriuqer
2
NFPA 70
National Electric Code (NEC)
smets ymSra leAr i fFnooitallats nei hrt osfeniledi uggnir ilwaren eeg rganiwoll oefhT
rehtr ur fo.Fmets ymSra leAr ie Fhydtberew od pndaellortn osctiucr il clganidulcni
clarification of the statement, refer to the appropriate section that is noted after each
statement in the NFPA 70 standard, 1996 edition.
ARTICLE 760
•• General
• sdaeifissa lec rsamets ymsra leariF .detimil-rew ordpoetimil-rewopnon
• Nonpower detimil- stiucric tsum teem eht stnemeriuqer fo elcitrA ,067 straPA
and B. [760-15(a)]
• detimil-rewoP stiucric tsum teem eht stnemeriuqer fo elcitrA ,067 straP A dna.C
[760-15(b)]
•• Nonpower-Limited Circuits
• Installation wiring is in accordance with Section 300-15(b) and the appropriate
articles of Chapter 3, except as provided in Sections 760-26 through 760-30.
[760-25]
• Conductors of different circuits in same enclosure [760-26].
• Class 1 and detimil-rewopnon erif mrala stiucric yam ypucco ehtemas
erusolcne dedivorp lla srotcudnoc era detalusni rof eht mumixamegatlov
of any conductor. [760-26(a)]
• rewoP ylppus dna erif mrala gniriw era dewolla ni eht emas yawecar ylno
when connected to the same equipment. [760-26(b)]
• Conductor size and uses.
• reppoC srotcudnoc fo .soN 81 dna 61 era dewolla dedivorp yeht odton
e hdteecxe ampacities given in Table 402-5. [760-27(a)]
• Copper conductors larger that No. 16 must meet the yticapmastnemeriuqer
of Section 310-15 as applicable. [760-27(a)]
• Insulation [760-27(b)]
• st l0rno0oov6fitalusnI
• 0e1l3ci thr tAyilwp mto scruemta e.6rro1ogN
• .soN 61 dna 81 fo epyt ,2-FK ,2-FFK ,FFAP ,FFTP ,FP ,FFP ,FGP,FFGP
Fr ,Fo,FZNZ F,F NT,F FT ,F,FT2T- F,F2S -,F3S-H H,F2R-H H,F2R-HFR
srotcudno cdetsil rof t. i edumesecrrutraiiilfmcail-rewopnon
• Conductor Material [760-27(c )]
• Conductors shall be solid or stranded copper.
• •Multiconductor cable for circuits of 150 volts or less [760-30].
• de t rseo. i sf) eLdogdhep( nt kr1raeru3elap-pbm0a6T7
3
PFLPN – detimil-rewopnoN elbac rof esu ni ecaps desu roflatnemnorivne
air. [760-30(d)]
–RFLPN ] ). eerd(lee0bst3 aii-crm0i6l7-[rewopnoN
–FLPN ])f (.0e3 l-) b0ea6sc7o [plraurpe ndeegt(imil-rewopnoN
• .srotcud nroecg r .8raeo1ol rN oroewom vtta sheulmbaC
• ] )ra e (.t d 03prey 3aes ad- hporw e0Cpoenl6xcil7eaa[rtsnI
• detnuom-ecafruS elbac si ton dettimrep nihtiw 7 teef fo eht roolfsselnu
installed in such a manner that maximum protection against physical
damage is afforded by building construction, baseboards, door frames,
ledges, etc. [760-30(a)1]
• oD ton llatsni detimil-rewopnon tiucric srotcudnoc erehw desopxe nistcud
or plenums Ref. 300-22(b). [760-30(b)1]
• epyT PFLPN si elbatius rof rehto secaps desu rof latnemnorivne.ria
Exceptions: Ref. 300-22 (c ). [760-30(b)2]
• e pRyFTL Pe Nlsbi artoifu sesu l an.cis]in3tu)rrbe(v 03-067[
• e sprF ,enyeLnrloT hPa eb istN hssarnrteodtiitoieacerihcasrutopuosolsf
l a.trnieamn orivn(e Exception]4)b(03- 0.6)7y[a w: encIar
•• Power-Limited Circuits
• .14- 0 r6se7epcr uroeswoP
• Circuit Marking
• ehT tiucric tsum eb ylbarud dekram erehw ylnialp elbisiv ot etacidnihcae
circuit that is a power-limited circuit. [760-42]
• Nonpower-limited wiring methods and materials [760-52(a)]
• gnillatsnI detimil-rewop stiucric sa detimil-rewopnon si dewolla sa gnol saeht
markings required by Section 760-42 are eliminated and the entire circuit is
wired in accordance with part B.
• Power-limited wiring methods and materials [760-52(b)].
• 1 ). bd(esop x reyoawec a nrdiellatsnI
• detcetorP tsniaga lacisyhp .egamad 2&1)b(
• nyiawec acrillat e nmdiellatsnI .s3 y)abw(tsioh
• Fire resistance of cables in buildings [760-71].
• tsiL selbac rep noitceS )d(17-067 hguorht.)f(
4
• Listings and markings [760-71]
• Cables listed in accordance with 760-71(a) through (g).
• Marked in accordance with Table 760-71(h).
])d(17-0 6e7l[ bmaucn emlrp ael radieftimil-r eP wL–oPPF
])e(17-06 7e[lb arces imrra lear idfetimil-re w Ro–LPPF
])f(17-06 7e[lb amcra lear i)fesopr ulparene gd(etimil- rLe Pw Fo–P
• noitarapeS morf cirtcelE ,thgiL ssalC ,1 ,rewoP dna detimiL-rewopnoNerif
alarm circuits. [760-52(a)]
• etarapeS detimil-rewop stiucric ta tsael 2 sehcni morf srotcudnocfo
c, itsrhstgacil elc,,l1ree wdonpa .s td ieemutrrciiarmfliiacl-rewopnon
• ,el b,aycawe c,aerrusol c ysnnnteiaiuc rdiectimil-re weocp a tloopDn
compartment, outlet box or similar fitting containing conductors of electric
, rsr,ose1 aw,lotcphgil nonpower-limited circuits.
[760-54(a)(1)]
Exception 1: nehW srotcudnoc fo eht tnereffid stiucric era detarapes yba
.reirrab
Exception 2: nehW srotcudnoc era decudortni ylelos ot tcennoc oteht
equipment connected to power-limited circuits to which the
other conductors are connected and there is a minimum .25-
inch separation maintained between conductors.
• nI hoistways, install conductors or metallic tubing. [760-54(a)(2)]
• Conductors of different power-limited fire alarm circuits, Class 2, Class 3, and
communications circuits in same cable, enclosure or raceway. [760-54(b)]
• selbaC dna srotcudnoc fo owt ro erom detimil-rewop erif mrala,stiucric
communication circuits, or class 3 circuits shall be permitted in the same
])1( ).,bye(a r4wru5 eos -co,0ale6rcl7nb[eac
• srotcudnoC fo eno ro erom ssalc 2 stiucric llahs eb dettimrep nihtiweht
emas ,elbac ,erusolcne ro yawecar dedivorp eht noitalusni fo eht ssalc2
srotcudnoc si ta tsael taht deriuqer yb eht detimil-rewop erif mrala.tiucric
[760-54(b)(2)]
• syawecaR llahs ton eb desu ot troppus detimil-rewop erif mralatiucric
cables. [760-54(c )]
5
• . etlib u amdcecrerratiilicfami ln-o rifetowaocpilppA
Cable substitution per Table 760-61(d).
CABLE TYPE SUBSTITUTION
PLPF MPP, P,3PLMCC
RLPF ,P3 L,CPL P,FP M,CPPM
MPR, CMR, CL3R
LPF ,P3 L,CPL P,FP M,CPPM
, R,L RP ,3F,RLRMCPCM
MPG, MP, CMG, CM,
3L C,CTLP
6