method statement conduits for power outlets.doc

8/10/2019 METHOD STATEMENT conduits for power outlets.doc

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BI-10-00680Dhahran Sports Facility Comple

METHOD OF STATEMENT

ELECTRICAL POWER OUTLET

SAUDI ARABIAN OIL COMPANY!"#I$I$% C&'P()*+ D,#,"#$ $&"!,

PROJECT TITLE

')!,&D S!#!)')$!)()C!"IC#( P&)" &.!()!

////////////////////Prepared by : )ngr 'ohamme #34l '45eet

////////////////////Noted by )ngr 7laimir (i34nao

Date: January 1! "#11


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CONTENTS

1$# SCOPE

"$# PURPOSE

%$# RESPONSIBILITIES

&$# RE'ERENCES

($# PROCEDURES

)$# SA'ETY

$# ATTAC*MENTS


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1$1 SCOPE

!he scope is to co9er the installation methos an proce4res for %ro4n :oorcon4cting

21P."P&S)

!& I'P"&7) !,) ;.#(I!< &F I$S!#((#!I&$

#$1 'ar= the con4it ro4ting as per site conition an in corporate in the layo4tra>ing >hich may help in f4t4re to a9oi con4it ? >iring amages >hile oingthe core rills @sla3 rillingA etc

#$" here9er the high 9oltage ca3les passes crosses @4se for lighting? po>er in34ilingA care sho4l 3e ta=en to a9oi in4ction eect ,o>e9er this pro3lem can3e a9oie 3y 4sing screene ca3les >ith proper earthing on 3oth the ens @for7(7 Con4itingA

#$% >here9er the con4it is epose to >eather an amp conition it sho4l 3e of)'! only

#$& )ns4re that separate con4iting is lai for ierent >iring circ4its

#$( )ns4re that the ga4ge an sie of the con4it is as per the re54irement

#$) )ns4re that earth terminals are pro9ie at each con4it 3o

#$ )ns4re that ra> >ires are left in all con4it r4ns for other ser9ices not incl4ein the contract

10 )'!C&$D.I!1In all instances >here emt con4it is 4se the accessories li=e circ4lar 3o+ E4nction3o+ 3ens+ co4plers+ clips ? sale etc Sho4l 3e %I only2 .se al>ays long rai4s 3ens instea of short ones #ll the 3ens sho4l 3e mae on a pipe 3ening machine tte >ith formers of thecorrect rai4s for the partic4lar sie of con4itG #ll the threas of the con4it sho4l 3e accoring to BS Coe GH68H #ll the 34rs sho4l Be remo9e from the c4t lengths an s4rpl4s scre>ing oil to 3e>ipe from the threas prior to ing the con4it6 #ll the threae Eoints sho4l 3e applie >ith one coat of inc enamele %al9a paint

here9er more n4m3er of 3ens an sets occ4r in m4ltiple r4ns they sho4l 3earrange symmetrically to present - a 4niform anneat #""#$%)')$! @"efer S=etch J#A

20 8 Care sho4l 3e ta=en >hen 4sing male 34shes >ith E4nction 3oes >hich sho4l noto3str4ct the free mo9ement of the >ires an ca3les @"efer s=etch - 3AK Con4its >hich are 34rrie in >et areas an :oors sho4l 3e >rappe >ith one layerof 3it4mino4s tape immeiately after installation10 here e9er the s4rface mo4nte con4it 3e mae goo >ith goo 54ality enamelor al4min4m paint+ an all the epose threa sho4l 3e applie >ith one coat ofa3o9e paint

0 P7C C&$D.I!1!he minim4m ia of the con4it sho4l 3e 20 mm


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2correct sie of con4it to 3e 4se >ith ra> in 3oes @p4ll 3oes A to allo> easy ra>in or o4t of all the ca3les @refer ta3le1A #ll the con4it accessories li=e 3oes ing sho4l 3e f4lly complete prior tora>ing the ca3lesG #ll the P7C con4it Eoints sho4l 3e properly Eoine an seale >ith appro9e sol9entcement as per man4fact4rers recommenations

H here con4it an con4it ttings are cast in str4ct4re of 34iling care sho4l 3eta=en to ens4re that the 3oes an con4it are pl4ggeA seale >ith thermo Colematerial to pre9ent tile ingress of moist4re or 34iling material >hich may 3loc= the>ay to pass the ca3les6 here9er possi3le as soon as the e-sh4ttering ta=es place+ the con4its etc Sho4l3e s>a33e o4t an any efects fo4n to 3e rectie an re-pl4gge to ma=e reay for>iring here9er con4its are r4n in screes e9ery eort sho4l 3e mae to a9oi con4itcrossing+ >here this is 4na9oia3le they sho4l cross at point locations8 here con4it an con4it ttings are cast in str4ct4re of the 34iling+ li=e sla3s+>alls+ :oors+ etc !he con4it an con4it accessories sho4l 3e hel or tie rmly+ 34t>itho4t eformation in an appro9e manner so that they are a3sol4tely rigi >hile theconcrete is po4re an or 9i3rateK Con4it r4ns on nishe >alls etc sho4l 3e install 9ertically+ a3o9e or 3elo> thee54ipment If it is necessary to r4n on horiontal r4n+ it sho4l 3e r4n at high le9el only+@ie a3o9e the false ceilingA10 #ll the con4its sho4l 3e r4n in s54are an symmetrical lines+ an it sho4l 3eplanne 9ery caref4lly 3efore installation commences11 here n4m3er of con4its con9erge+ large aapta3le 3oes sho4l 3e 4tilie inorer to a9oi cross o9er @"efer enclose s=etch - cA12 If the con4it passes thro4gh the >all opening of an ac room to the other sie ofthe 34iling the opening sho4l 3e seale either >ith foam or >ith a s4ita3le sealingmaterial in orer to a9oi conensate moist4re1 here9er con4it passes thro4gh epansion Eoints of concrete str4ct4re+ epansionco4plers sho4l 3e pro9ie @"efer enclose s=etch - A

1G Dra> in 3oes @ p4ll 3oes A sho4l 3e pro9ie at e9ery straight con4it r4ns at Kmeters or containing t>o right angle 3ens at H meters centre1H here9er the con4it r4ns thro4gh the >iring points s4ita3le sliing Eoints sho4l3e mae on each con4it 3o position @"efer enclose s=etch - eA

G0

H0 16 #ll the con4it chase into >alls sho4l 3e recesse s4Lciently to permit aminim4m thic=ness of 6m1G of plaster &r other nishes to 3e o3taine o9er thecon4it1 $o p4ll 3oes or E4nction 3oes sho4l 3e installe in areas >here access is notpossi3le

18 hen a conceale con4it in the >all is to 3e connecte to # light tting an

aitional s4rface E4nction 3o as sho>n in s=etch-F is to 3e installe >ith s4rface

con4iting an a ceiling rose >hich is lin=e >ith the light tting 3y means of :ei3le

ca3le

1K Con4it sho4l 3e sale to the str4ct4re of the 34iling >ith in 1H0 mm of each

3oM Ben of tting an at inter9als as follo>s

Con4it sie spacing

20 mm 600 mm

2Hmm 1000mm a3o9e

20 Con4it sho4l 3e r4n at least 1H0 mm clear of pl4m3ing an mechanical ser9ices

21 Flei3le con4it sho4l 3e 4se for the nal of the rigi con4it to the terminal

3oes of the e54ipment tte >ith means of ri9e aE4stment or >here 9i3ration isli=ely to occ4r

22 Ientication of coni4iting to 3e mae to ierent ser9ices li=e lighting po>er+ lo>


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METHOD OF STATEMENT


c4rrent+ re alarm etc By ierent color mar=ing on the con4it

60 ")SP&$SIBI(I!I)S

)$1 !he S4r9eyor is responsi3le to pro9ie the line an grae for the layo4t of

con4its an its 4tilities as inicate in the appro9e shop ra>ing as >ellas the contract ra>ings mentione in the a3o9e scope Dra>ings or

s=etches sho>ing s4r9ey ata or notes s4ch as coorinates of eisting

D4ct Ban= tapping points an ro4ting as >ell as gro4n le9el ? nish

)$" LAYIN+ DO,N CONDUITS AND ASSEMBLIN+ REBARS starts

after preparing the trench !rench has to 3e inspecte to 3e free

from protr4sions an roc=+ an also the eisting con4its shall

4nergo manrel testing to ens4re its clear from any e3ris or

anything that >ill aect the ca3le an its p4lling #fter all has 3een

prepare an inspecte+ the re3ar >ill 3e lai o>n in parallel to thelaying o>n of con4its an p4lling ropes shall 3e installe an

again manrel testing >ill 3e con4cte prior to concreting

)$% CONCRETIN+ >ill 3e one after all has 3een inspecte an the

shop ra>ing etails has 3een complie

)$&

)$( BAC-'ILLIN+ ./00commence once concrete c4ring is complete

an all peripherals >ill 3e installe as per appro9e shop ra>ingie >arning tapes+ s4rface mar=ers

)$)


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)$2


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method statement conduits for power outlets.doc

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