diseno de cuartos electricos nfpa 70e
TRANSCRIPT
8/9/2019 Diseno de Cuartos Electricos Nfpa 70e
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Electrical Systems: Designing electrical
rooms
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Sponsored by:
8/9/2019 Diseno de Cuartos Electricos Nfpa 70e
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Brian Martin, PE, Portland Electrical Department Manager
CH2M Hill
Portland, Ore.
Brian Rener, PE, LEED AP, Associate
Smithgrop!!R,
Chicago, "ll.
Moderator# !ac$ Smith,
Consulting-Specifying Engineer and Pure Power ,
C%E Media, LLC
Presenters#
8/9/2019 Diseno de Cuartos Electricos Nfpa 70e
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Electrical Systems: Designing
electrical rooms
Brian Martin, PE, Portland Electrical
Department Manager
CH2M Hill
Portland, Ore.
Brian Rener, PE, LEED AP, Associate
Smithgrop!!R ,
Chicago, "ll.
8/9/2019 Diseno de Cuartos Electricos Nfpa 70e
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Presentation scope
& '%PA () *'EC+ 2)-
& "nternational Bilding Code *"BC+
& )) A and A/o0e& Primar1 ser0ices
& 'o haardos locations
& 3ood engineering practices
8/9/2019 Diseno de Cuartos Electricos Nfpa 70e
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Electrical room design
& 'eeds a coordinated team#
& Electricals
& Architects
& Strctral
& Mechanicals
& %ire protection
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Room t1pes& Primar1 ser0ice rooms
& Electrical rooms
& 4PS or /atter1 rooms& 3enerator rooms
& Compter rooms
& 4tilit1 0alts
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Design isses
& 5or$ing 0s. dedicated spaces
& Dedicated spaces and 6oreign s1stems
& %ire protection
& %ire ratings
& 7entilation
& Strctral
& Bilding occpanc1& Lighting
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5or$ing 0s. dedicated spaces
& Di66erent spaces
8 5or$er 0s. e9ipment
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5or$ing 0s. dedicated spaces
& Di66erent spaces
8 5or$er 0s. e9ipment
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5or$ing space
& Applies to# 8 :E9ipment operating at ;)) 7, nominal, or less, to grond
and li$el1 to re9ire e<amination, ad=stment, ser0icing, or
maintenance >hile energied.? 'EC Article ).2;*A+
& S>itch/oards& S>itchgear *Added in 2)-+
& Motor control centers
& Panel/oards
&Disconnect s>itches& Circit /rea$ers
& Controllers
& Controls 6or H7AC e9ipment
& @rans6ormers sometimes 6all into this categor1
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5or$ing space# ta/le
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5or$ing space# ele0ations
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'onelectrical parts
:5here rear access is
re9ired to work on
nonelectrical parts on the/ac$ o6 enclosed
e9ipment, a minimm
horiontal >or$ing space
o6 ) in. shall /e
pro0ided.? 'EC Article
).2;*A+*+a
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Dedicated spaces& Applies to#
& :All s>itch/oards, s>itchgear, panel/oards, and
motor control centers shall /e located in dedicated
spaces and protected 6rom damage.? 'EC Article).2;*E+
& S>itch/oards
& S>itchgear *Added in 2)-+
& Panel/oards& Motor control centers
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Dedicated spaces and 6oreign s1stems& Can 1o ha0e 6oreign
s1stems *mechanicaldcts andor plm/ing+
in 1or electrical room 8 es and no
& 4nderstand dedicatedspace
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%oreign s1stems *MP+
& 'EC# a/o0e, i6 protected
& 5hat a/ot sprin$lers& 'EC# o$a1 in dedicated space
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2)- 'EC change& Otdoor spaces
8 'e> re9irement no> calls
6or the same /asic
dedicated e9ipment or
electrical space 6or otdoorinstallations that has /een
in e66ect 6or indoor
installations
8 @his space a/o0e and/elo> the electrical
e9ipment shold /e
dedicated
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Primar1 e9ipment
& S>itch/oard 0s. s>itchgear
& S>itch/oards# 4L
8 %ront access
8 Rear access
8 Primaril1 6i<ed monted
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Primar1 e9ipment
& S>itch/oard 7s S>itchgear
& S>itchgear F A'S" C(
8 Rear Access
8 Primaril1 Dra>ot Constrction
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Access
& 2)) amps G ; 6eet in >idth
8 @>o doors on opposite ends
8 Doors ; 2 < 2-?
8 One door i6 >or$ing clearancedo/led
8 Doors S>ing Ot
& )) A *'e> to 'EC 2)-+ 8 Listed Panic Hard>are on Doors
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Access# plan e<amples
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Be1ond 'EC# >or$ing space and access& Doors# at least ; in. >ide or do/le ; in., 6t. high
& Access to dra>ot de0ices
& 5old 1o >ant to >or$ in onl1 I 6t
& Brea$er trc$ access
& '%PA ()E# Standard 6or Electrical Sa6et1 in the 5or$place F arc 6lash ones
& Arc 6lash gear, 0enting& Height a/o0e s>itch/oards
& Space planning# >or$ >ith 1or architect
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%ire protection
& Sprin$lers
8 '%PA # 1es, or 2 hr rating
8 Some cities# preaction
& %ire detection
8 Smo$e detectors in electrical rooms
8 Recommend heat and 6lame detection in generatorrooms
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%ire ratings
& Do electrical rooms need to /e 6ire rated 8 'EC
& 'ot i6 sprin$lered
8 5hat a/ot dr1 t1pe trans6ormers& 2.J $7A, JJ C or higher inslation
& Emergenc1 s1stems *'EC Article ())+
8 'EC high rise or high occpanc1& Appro0ed 6ire sppression
& 2Fhr s1stems
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%ire ratings
& '%PA )
8 EPS installed in a separate room 6or Le0el s1stems
8 Room mst ha0e a 2Fhr rating
& Kno> 1or local codes
8 E<ample# Cit1 o6 Chicago& 3enerator room rating# hr
& %el storage# JJ)Fgal limit& 'ot located more 2 6loors p or do>n 6rom grade.
& "nsrance carrier re9irements
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7entilation
& Re9ired& 3eneral rating o6 e9ipment# )- %& Recommend# ; %
& Electrical rooms 8 5ithot trans6ormer# c6ms9. 6t. 8 5ith trans6ormer# .) to 2.) o6 $7A * c6m$7A+
& 3enerator rooms 8 Cooling 0s. com/stion air
8 A6ter engine shts do>n 8 Remote radiator 8 2,J)) Bthr$7A
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7entilation
& Batter14PS rooms 8 Keep temperatre arond (( %
8 5hat a/ot h1drogen
& %looded *0ented+ /atteries
& 7al0e reglated, sealed
& Con6licting codes# 'EC, 4%C, "%C
8 Sa6e rles
& c6ms9. 6t.& %an 6ailre rela1
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Strctral
& O6ten o0erloo$ed 8 S>itch/oards and s>itchgear
8 3enerators
8 7i/ration isolation 8 Compter rooms
8 Raised 6loors
8 Miscellaneos
& Pads& Penetrations
& %ire sealing
& Path o6 deli0er1
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Lighting& Recommended lighting le0els
8 "ES and '%PA ()E# ) 6ootFcandles
& Emergenc1 lighting 8 6ootFcandle is not enogh
& S>itching
8 Mst inclde nonatomatic means
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Miscellaneos room isses
& EM"
& 'oise
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Codes and Standards Re6erences 6rom
@oda1s 5e/cast
& '%PA () *'EC+ 2)-
& "nternational Bilding Code *"BC+
& 4L & A'S" C(
& '%PA ()E# Standard 6or Electrical Sa6et1 in the 5or$pla
ce
& '%PA )& "ES
8/9/2019 Diseno de Cuartos Electricos Nfpa 70e
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Brian Martin, PE, Portland Electrical Department Manager
CH2M Hill
Portland, Ore.
Brian Rener, PE, LEED AP, Associate
Smithgrop!!R,
Chicago, "ll.
Moderator# !ac$ Smith,
Consulting-Specifying Engineer and Pure Power ,
C%E Media, LLC
Presenters#
8/9/2019 Diseno de Cuartos Electricos Nfpa 70e
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5e/casts and Research
& Smart Electrical S1stems# Meters, s/meters an
d smart meters
& 2) Electrical and Po>er std1
8/9/2019 Diseno de Cuartos Electricos Nfpa 70e
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Electrical Systems: Designing electrical
rooms
Join the discussion about this Webcast on Twitter at #CSEelectricalroom
Sponsored by: