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Philippine Electrical Code RA 7920
Historical Background The frst documented case o a Code as
a requirement o ruleswas published on !th "o#$ %% entitled &The
'an(ers o Electric )i(htin(*$ The frst "EC was de#eloped
in %97+ ei(hteen ater thein#ention o incandescent li(ht bulb b,
Thomas A$ Edison$ The 2009 PEC used the 200- Edition o the
"ational ElectricalCode as reerenced Code$
Introduction
These (uidelines aim to attain e.cient ener(, utili/ation
inbuildin(s$ t contains ener(, conser#ation (uidelines or thedesi(n
o buildin(s and their ser#ices$ The (uidelines arebased on present
da, #iewpoint and are thereore sub1ect tore#iew+ with re(ard to
ur(enc, and ri(idit,+ as time passes$ The o#erall ob1ecti#e o
the (uidelines is to sa#e ener(, in thebuildin( sector and pa#e the
wa, or desi(nersarchitects toappl, ener(, conser#ation principles
and techniques in theirdesi(ns$ To be able to meet this ob1ecti#e+
the (uidelines werede#eloped to address the aspects o desi(n o new
buildin(sas well as the up(radin( o e3istin( buildin(s$
ScopePEC co#ers the electric conductors includin( optical
fbercable and installed within or on+ to or rom4 public and
pri#atebuildin(s+ industrial plants+ transormer stations+ airfelds
and
railwa, switch,ard
Intention"5T intended as a desi(n specifcation or an
instructionmanual or untrained person$ The term untrained
person can be interpreted to meanan,one who does "5T ha#e an
understandin( o electricit,and electrical construction$t can also
mean that the Code assumes a person readin( orstud,in( it 6nows and
understands basic 5hm )aw+ ircho8s)aw+ the trian(le o fre+ etc$
Classifcation o Code Rules$ wirin( desi(n rules2$ installation
rules:$ manuacturin( rules
The National Building Code
Introduction The "ational ;uildin( Code o the Philippines
is also 6nown asRA !-E CodeP?>E Code co#ers basic principles
anddata used in the mechanical en(ineerin( feld
Contains 29 ChaptersAn >E o.ce should ha#e at least one cop,
o the Code@nli6e a andboo6+ this Code is intended not onl,
ormechanical en(ineers but also to the (eneral public
TE C5'E4 29 Chapters B202 #ersion ?A=ETD C5"?'ERAT5"?
Chapter 74 Combustion AirChapter %4 Chimne,s and entsChapter 94
?mo6e Control ?,stemsChapter 24 Reri(erationChapter :4 nstallation
o EquipmentChapter 24 ndirect Faste+ Traps+ and nterceptors
Chapter 224 =lammable and Combustible )iquid Pipin(?,stems and
?tora(eChapter 2:4 Pressure essels
PRE??@RE E??E)?
Chapter 2:4 Pressure esselsRule in Pressure essels Bb, '5)E in
accordance with theP>E4
Rule !04 ;oiler
Rule 704 @nfred Pressure essels
PRE??@RE E??E)?4 Rule !0 B;oiler
Power ;oilerG a steam boiler with a wor6in( pressure e3ceedin(
$0--
6(cmH (au(e B- psi( eatin( ;oiler
G a steam boiler with a wor6in( pressure not e3ceedin( $0--6(cmH
(au(e B- psi( or a wor6in( temperature note3ceedin( 2IC
PRE??@RE E??E)?4 Rule !0 B;oiler
=actor o ?aet, J not less than -
;oiler Rooms J a clearance o 00 cm between boiler
and the walls ?aet, al#e J boiler is equipped with at least one
i
heatin( surace is
pressure or the #al#e Fater Column Pipes G pipes connectin(
water
columns to power boilers shall not be less than 2-mm B in pipe
si/e+ and as short and direct aspossible$
PRE??@RE E??E)?4 Rule !0 B;oiler
Cleanin( and Repairs
G Repairs and ad1ustments+ such as ti(htenin( up Man(edfttin(s
shall not be made on boilers and steam lines whileunder
pressure$
;oiler and Pressure essel Plans
G ;eore a boiler or pressure #essel is installed+
theownermana(er or hisher authori/ed representati#e shall flewith
the ;ureau or in the Re(ional 5.ce concerned Bwitha#ailable P>EG
)ocation Plan+ Room )a,out+ nstallation and =oundation
Plans+ =oundation 'esi(n Computation+ 'etailed
Construction'rawin(+ ?i/es o Plans+ Title ;loc6+ nstallation
PRE??@RE E??E)?4 Rule 70 B@nfred Pressure
essels =actor o ?aet, J not less than -
?aet, #al#es G shall be set within plus or minus ten
percent B0L o its desi(ned pressure )iquefed Petroleum Nas B)PN
essels and other
C,lindersG ?hall be properl, mar6ed and identifed+ handled and
stored+and transported
)iquefed Petroleum Nas B)PN essels and other
C,linders >ar6in( and dentifcation
C,linders shall be le(ibl, mar6ed or the purpose
o identi,in( the content inside with4 a$ chemical s,mbols G
to
be stamped on the metal at the shoulder o the c,linderK andb$
chemical name and trade name G to be stenciled+ labeledor stamped
and shall not be easil, remo#ed$
andlin( and ?tora(e
C,linders shall be adequatel, protected a(ainst
e3cessi#e#ariations o temperature+ direct ra,s o the sun
andcontinuous dampness$C,linders shall be se(re(ated or stora(e b,
t,pe o (as andempt, c,linders shall be stored apart rom char(ed
c,linders
Transportation
C,linders shall be transported in a wa, that no part o
thec,linders shall pro1ect be,ond the sides or ends o the
#ehicle$Adequate precaution shall be ta6en to pre#ent rou(h
handlin(+e3cessi#e shoc6s or local stress
5ther Pressure essels
?team eated Pressure essels
Closed ?team eated Pressure essels 5pen ?team eated Pressure
essels
Fater and Air Pressure Tan6s
Reri(eration Tan6s
Compressor
The Fire Code o the Philippines R !"#$&t is the polic, o the
state to ensure public saet,+ promoteeconomic de#elopment throu(h
the pre#ention andsuppression o all 6inds+ o destructi#e fres+ and
promote theproessionalism o the fre ser#ice as a proession$*
;, #irtue o RA !97- ;=P primaril, to perorm the
ollowin(unctions4
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P?>E Code 9%<Philippine ?ociet, o >echanical En(ineers
Code 9%<
Chapter J NeneralArticle $ ?cope$$ This chapter pro#ides the
(eneral requirements or
wor6s in#ol#in( machiner, installations andoperations$
Chapter 2 J Commercial and ndustrial ;uildin(Article 2$ ?cope2$$
This chapter co#ers (eneral (uidelines in the choice anddesi(n o
industrial buildin(s$ t includes saet, rules andrequirements or the
#arious aspects o industrial buildin(s+and matters on machiner, and
equipment oundation desi(ns$
Chapter : J Power Transmission Equipment+ Prime
>o#ers+>achines and >achine PartsArticle :$ Purpose:$$ To
re(ulate the (uardin( o power transmissionequipment+ prime mo#ers+
machines+ and machine parts+ butdo not include point o operation
ha/ards$
Chapter < J >achiner, 'an(er Oone and Points o
5perationArticle etrolo(,Article 2$ Purpose and ?cope
To amiliari/e all practitioners with the concepts
andtechniques o measurin( instruments$ t co#ers the applicationo
metrolo(, in all industries+ which concerns with theundamental
standards and techniques o measurements+ andwith the scientifc
principles o the instrumentation in#ol#ed$
Chapter : J >achine ?hop >achiner, and EquipmentArticle :$
Purpose and ?cope:$$ To identi, each and e#er, equipmentmachiner,
andtools in a machine shop and the correspondin(
operatin(principles in#ol#ed$
>achine shop practice consists o certain mechanicalprinciples
that are part o all machine shop wor6 e#er,wheresuch as the
principles o cuttin( tools+ cuttin( speeds andeeds+ actions o
(ears+ screws+ cams+ etc$+ applied in theconstruction o certain
machines and tools and in the #ariousmachine operations4 that is+
in the methods o holdin( anddoin( the wor6$
A machine shop is a room or space with sidin(s androos where
metal parts are cut to si/e required and putto(ether to orm
mechanical units or machine+ which aremade to be used in the
production o the necessities o ci#ili/ation$ 5ne or more
machines constitute to a machineshop$
Chapter < J >anuacturin( ProcessesChapter - J =uels and
)ubricants
Chapter ! G >aterials
