ms for piping fabrication q-con rev. 0

8/19/2019 MS for Piping Fabrication Q-Con Rev. 0

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QC2-00CSTR-MSP00002 31WM C H E M I C A L C O M P A M Y I T I L

Method Statement

ON M C Z OR : :I C Oii r

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1 ,0 SCOP E

2,0 CODE & STANDARD S

3 .0 RESPONSIBILIT Y

4 .0 FABRICATION PROCEDUR E

5 .0 D O C U M E N TAT I ON

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This method statement details of Fabrication Pipe Spools at QCON Fabricatio nShop for M/s . Daewoo E&C for their Q-Chem. Il Ethylene Derivatives Project .

2 Reference Codes and Standards

ASME Sect . V Non Destructive Examinatio nASME Sect . IX Boiler and Pressure Vessel Code . Welding and Brazing Qualificatio nASME B31,3 Process Pipin g

3i RESPONSIBILITIE S

3 .1 Fabrication Shop Manage rHe is responsible for Management and implementation of this method statement .

owNi I) t;oi)iOC2-00-CSTRIVISP ,00002 3. i .e UPI CH10M Mend UM . Method Statemen tvws*0)m w t o w v x amga s w r ef j O N: 0 , i C O DIfor oo N Piping Fabrication 3412-XHPM-201 2

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Method Statemen tfo r

Piping Fabrication

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Prior to start of welding, the welding foreman shall ensure that a copy of the relevan tapproved WFS [latest revision] shall be posted in close proximity to the work front . He shallensure that the welder is qualified and unders tands the parameters of the WPS . The weldershall ensure that he has the correctly conditioned consumables and that he is in hi spossession of adequate tools and tackle, including his identity card, to perform the weldin goperation .

Welding consumables shall be stored and issued in accordance with procedure QC2-00-QAQC-CPP-000008

Root and hot pass runs shall be a continuous process with interruptions only for change o fwelder position or changing of electrode/filler wire . No weld shall be left or moved until aminimum of 50% of the final weld depth or 5mm(whichever is the greater) has bee ndeposited.

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Method StatementQC2 .00CSTR-MSP-00002 3

forCONIRAC OD OD

Piping Fabricationc

3412-XH-PM-201 2

a-ts N A O I P E;O F T S U , S l C lio o to Ct-e:Ni esaeca :y Shoot 7 of 8 Issue

Spool In spe ction Re cords (Form No: IR-P-002).

Pipe w ork fabrication toleran ce s hall be as per QC 2-00-GENE-DSS-000012

4 .7 Repair weldin g

When welds fail to comply with the requirements, the excavated portion of the weld shal l

be sufficiently deep and long enough to remove the flaw . Flaws shall be removed b ygrindin g or machinin g.

Repairs s hall be limited to 30% of the weld length for a partial penetration repair, or 20 %of the weld length for a full penetration repair . When thes e cr i ter ia are excee ded then thewe ld shall be completely cut out an d remade.

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4 .9 Identification of spool s

Spool number shall be punched or tagged as given in the spool drawing issue dfor construction .Joint number of weld shall be identified on each spool .

4 .1 0 Spool Storage & Transportatio n

AU the completed spools after radiography shall be stacked in separatel ydesignated area . The spool flange ends adequately :protected an dshifted to site .

5, Documentatio n

The copy of the following reports of QC acceptance Of pipe epeel shall be attache dh d l ld llh k b

O W N F R. :) COD :QC200-CSlR-MSP-00002 3

VAR C H E M I C A LCOMPAttTLT D . Method Statement . . .1 for

CON RACTOR st) CO) .O

Piping Fabrication 3412-X1I-PM201 2N1\0M S Cl :ert O-Cnern I : j t.ca :o l O a:z r Sheet

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fl N -e . 34 " 2- XH-PM-2 001-01(A )Attacrnent

1R P 0OWNER ID CODE 0G2-00-CSTR-MSP-00000 2

CONTRACTOR ID CODE 3412-X11-PM-200 IISSUE I

DA ET/00 E&C

DISCIPLINE :

SPOOL INSPECTION RECORD (FOR CS & LTCS )

DI A SCH DESC . WELDER WP SN O. N O.N O

DWGNo

Rev. No

INSPE TED BY

.QAIQC j Company 1 DATE

SKI N o.MAT'L CL S

N DE REQUEST 1 RESUL T

MT/PT RT UT

PAGE :

LEAK TESTPWHT REMARK

DATE :

SPOOL No .

MAT I L

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PINI\ L INSPECTED :

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Anacrnen t

Report No

Page no ,

Discipline Dat e

Project Q CHEM Ethylene Derivatives Project

Mate r i a liz e &ev Spool Remark sMn ISO Drawing noShee

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can schedule das so : no *nhe*u* e*******no

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SPOOL RELEASE REQUE IQ T

OWNER ID CODE Q C2^J 0 ' C S TR 8P bOO8 2CONTRACTOR ID CODE 3412-XH-PM-200 1

ISSUE 1


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Page No . of 3

i FQatar Chemical Company 11 E t h y l e n e D e r i v a t i v e s C o m p l e

JO S FETY N LYSIS OR PIPE FABRICATION AT Q O FABRICATION SHO P

A7AM q VW C

Dosc -, : ;c;* * Piping fabrication work s

Jai : Area . ari Saiwa 11Fabrication Yard 'Analysis by Karuaakaran,K .

1 Job Task Step 2, Identified Hazards 3 . Control Actio n

' Mater iai to be transported by approved Egwpment /Vehicle wa y

Si l IING 01 :a r A' i i ..HiAL. TO *THE LOCATION :FALL OF MATERIALDURING TRANSPORTATIO N

:

All materials M be s ecured properlybefore transportationExperienced Riggers s hould load and u nload the materialsEautament and veal-14es should be driven byqvarify operator

During reversin g Backup alarm Lights must be usedSi i 1NG OF MA :LERIAL TO THE LOCATION [FAILURE OF E O U t P M E N T

Equipment mu st be certified, checked daily before use

iFailing W. MalEquipment n ot to be overloaded

Experienced Riggers on ly be engaged in rigging activities

Keep good condition of tools:GGING :Crashing against workers or properties mov i t rW-Ci g i* - 6 r ^

tro y

Adequa t e lighting arrangementi o be done for mom illumination

Us() Lag line

:Fire i y spatters Don't keep any flammable materials aroun d working area

Arrange fire exinguisher,sand bucket/bag near working, area

axtaovaa -of LPG Gag

;Explosion af LPG Gas

Always kaea cylinder in vertical conditio n

valveam ciosecz condi tion when not 6 u se.aaak arrester in cutting torch hose ne ar to gascyllnaedtan k

l WinuoUsinspectionfo rgases and hos eIGas hose snauld be procted :a damag e

ou m an d ey e alludes [Wear adequate PP E

Only sidled er can carry out the job,


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Page N p 2 of 3 . .

1 . Job Task Ste p

AND A f f i v D I I NO

RIND N C

Cc a t a

Grifieia

g Maie r ias during Night Shift Work

:Wea r rad ioac t ive absorp t ion patcn wnen wo rk ng neu r a li z e

Eire burr and eye injuries

Exposre to X-Ray VVorking area snou .ri pmlectec by rrstaliieg wanting tape are Xay 'halara SyrrdOi

'Oniy s feu worker can carry out the job .

i radioactive emissio n

Arrange sand buckea bag near working

Arrange fire extinguisher near working area

Earthihg cable continuity and both cables physical damage to checked

O nly skilled w orker can carry out the jab.

Avoid water contact and keep grinding machine always dr ye

ont inuoustraining and remaind hazard of grinding

Damage ofctctnc wire to be checked continuousl y

Grinding machine and grinding wheel should be checked before ..s e

All junction box ,weldieg machine booth snould be covere d

2 . Identified Hazards 3 . Control Actio n

Pire Spatters ;Don't Keefe flarnrnable materials around welding and grn ding area

i Injuries by Grinding Machine

Wear adequate PP E

Wear adequate PP E


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Page No 3 of 3

Job Task Step 2, Iden tified Hazards 3 . Control Actio n

ExpectedTLSks during night shiit

r6 hiiit bxr in d-uigi d- Od a T f y Tj

'Adequate OrlnKing water facilities should be provided

i::;,;iiright -- 'before- sTa i i tg orii :TOOT tiOX meeting to be betwee nsupervisor and worke r

Proper housekeeping tc be maintained at all time s

Mate d:4i should never obstruct walkways/staircase/ladders and atiseesl lto Emergency equipment s

OP cempietien of week . Area to be cleaned and barricades ahd iwarning taees to be remove d

iExperleaced Riggers ortiy be engaged In egging activities

'Adequate iignting facilities to be provided around fabricati o n seepee

edicatee foreman s require d

Adeoeate lighting facilities to be provided around fabrication sho o

Only skilled worker can car ry out the pt }

. protectea by insiia' Wga7- ;eng--'tare --ajtdhazer siirnoea It should be noticeable L eail night shift ivor ke• l ii

Close sepdrvision shall be done during late night hours .

niOtiSEKI M D A R E A C L E A N I N G

ms for piping fabrication q-con rev. 0

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