0000-az-e-02132-d0 hot work in confined spaces safety procedure.doc

7/24/2019 0000-AZ-E-02132-D0 Hot work in Confined Spaces Safety procedure.doc

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OGEC GROUP

GAZODUCT 48 GK3 LOT 3MECHATINE ELKALA - SKIKDA Rev. D0

HOT WORK IN CONFINED SPACE DOCUMENT No.0000-AZ-E-0!3

HOT WORK IN CONFINED SPACEHSE PROCEDURE

D"#e Rev$%$o& I%%'e( A'#)o* C)e+,e( A*ove(OGEC

A*ove(SAIPEM

C$e"*ov"

14January2010

R- 0 Issued forcomments

MarioCalvete

FaridBouacha

Maan AlAhmad

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TA/LE OF CONTENTS

!. PURPOSE SCOPE.................................................................................3

. REPONSA/ILITIES..................................................................................3

3.DEFINITIONS.............................................................................................1

4. HOT WORK IN CONFINED SPACE PROCEDURE................................8

1. ATTACHMENTS.......................................................................................!3

2.REFERENCES...........................................................................................!

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!.0 PURPOSESCOPE

his !rocedure esta"lishes the minimum re#uirements for safely conductin$ hot

%or&' o!en flame or other source of i$nition o!erations %ithin Confined (!aces)) he

!ur!ose of the *ot +or& ,rocedure in confined s!aces is to !revent fires on ./C

!ro!erty and thus !rotect em!loyees' environment and the !ro!erty' this !rocedure

su!!lements and references the ./C . ,ermit to %or& !rocedure)

+here confined s!ace o!erations are intended to overla! or interfere %ith live

!rocess areas' or other such haardous areas' this !rocedure should "e revie%ed to

ensure continued a!!lica"ility)

.0 RESPONSI/ILITIES

P*oe+# M"&"5e*

he !ro3ect mana$er or his dele$atin$ authority is res!onsi"le for authoriin$

the entry of !ersons into the !i!eline or confined s!aces !rovidin$ that he is

satisfies that all the a!!ro!riate isolations have "een ta&en to safe$uard the

health safety and %elfare of any !ersons enterin$ the vessel or s!ace thisincludes ensurin$ that all relevant !a!er %or&s has "een com!leted

correctly5)

/nsurin$ that suita"le !ersonnel are trained and com!etent in the use of

a!!ro!riate safe$uards and test e#ui!ment for controllin$ those haards)

/nsurin$ .as testers are trained' com!etent and a!!ointed)

/nsurin$ that the re#uirement of !ermit to %or& system is a!!lied)

+or& in confined s!ace is ade#uately su!ervised to ensure that %or& is

conducted safely "y all !ersonnel)

Co&%#*'+#$o& M"&"5e*

he Construction Mana$er is res!onsi"le for chec&in$ that the a!!roved

isolations have ta&en !lace to allo% safe entry into the !i!eline)

Chec&in$ that the atmos!here in the confined s!ace has "een fully tested for

o6y$en' to6ic and flamma"le material' "y an authoried $as tester)

/nsurin$ that all !ersonnel %or&in$ %ithin their area of su!ervision are

!ro!erly instructed in the re#uirements of confined s!ace entry and %or& tothese re#uirements)

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S$#e S'e*v$%o*

(ite su!ervisor is res!onsi"le for carryin$ out the a!!ro!riate isolations on the

vessel or s!ace as laid do%n in the site7s !rocedures)

Res!onsi"le for carryin$ out the $as8atmos!heric test to determine if the

!i!eline is safe to enter and record the findin$s on their test on the entry

certificate "y si$nin$ their names' date of test and the results found from that

test)

/nsurin$ that %or&$rou! is made a%are of all haard associated %ith thistas&)

/nsurin$ that on com!letion or sus!ension of this tas&' he shall inform the

,ermit Controller and si$n-off the !ermit to %or& and the Isolation certificates

accordin$ly)

/nsurin$ that assessment is made of the site %here %or& is to "e carried out

to determine if it constitutes a confined s!ace)

/nsurin$ that a confined s!ace is !ro!erly isolated "efore entry is !ermitted)

/nsurin$ that all !ersonnel %or&in$ %ithin their area of su!ervision are

!ro!erly instructed in the re#uirement in the confined s!aces entry and %or&

to these re#uirements)

*e also !ic&u! a suita"le %atchman8stand"y manattendants5 and ensure

that this man is com!etent on his duties)

(hall ensurin$ the earthin$ 8$round static $eneratin$ devices availa"le to

!revent static accumulations)

T)e e*6$# +o*oe*

he !ermit controller is res!onsi"le for ensurin$ that the !ermit has "een

com!leted in accordance %ith the !ermit to %or& !rocedure)

/nsurin$ that all ad3acent %or&$rou!s and tas&s have "een identified and

cross-referenced on the %or& !ermit and isolation certificate)

Issue the %or& !ermit to the %or&$rou! leader on satisfaction that all

relevant !recautions and haards have "een identified and assessed)

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Wo*,5*o' e"(e* o* Fo*e6"&

he foreman is res!onsi"le for !assin$ all the information ha has received

from the site su!ervisor and the !ermit controller to the %or&force in the form

of a !re-3o" safety tal&)

nce he is satisfied that all !ersons under his control are fully conversant %ith

the re#uirements and that all the relevant have "een ta&en' he %ill !roceed

%ith the %or& tas&)

/"&,% 6"&S#"&(7 6"&

Res!onsi"le for ensurin$ that the safety of !ersonnel inside the enclosed

s!ace is closely and constantly monitored)

9nderstand and reco$nied the !otential haards)

/mer$ency and rescue services and e#ui!ment are availa"le)

All !ersons enterin$ the confined s!ace are a%are of the relevant safety

!rocedures)

rder entrance to evacuate al the a!!ro!riate time

Avoid entry in emer$encies unless they have "een relieved "y another

entrant)

Ban&s man8(tand"y man if !ro!erly trained shall function as a .as ester)

G"% Te%#e*

.as tester are to "e com!etent and a!!roved' res!onsi"le for ensurin$ that:

he e#ui!ment they use is suita"le for the atmos!here to "e tested

f an a!!roved ty!e

,ro!erly cali"rated and maintained

+ithin its validation !eriod

hey are sufficiently &no%led$ea"le to inter!ret the result correctly)

hey are a%are the li&ely contaminants at the a!!ro!riate testin$ re$ime)

.as testin$ is done immediately !rior to the issue of any document relatin$ to

the confined s!ace entry)

3. DEFINITIONS

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A confined s!ace can "e defined as any s!ace that has the follo%in$ characteristics:

; It is large enough or so configured that an employee can bodily enter and

perform assigned work;

; It has limited or restricted means for entry or exit;

; It is not designed for continuous employee occupancy.

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Accordin$ the %elder fraternity are no% a%are that there are three ty!es of

environment that %eldin$ %ill "e carried out in) And the Cate$ory B environment:

An environment %here there is a si$nificant ris& of the %elder contactin$ the %or&

!iece or other !arts of the %eldin$ circuit)

(uch an environment may "e found %here the am"ient tem!erature is less than

2?C and@

a5 freedom from movement is restricted' so that an o!erator is forced to !erform

%eldin$ in a cram!ed !osition e)$)' &neelin$' sittin$' lyin$5' %ith !hysical contact %ith

conductive !arts e)$)' the %or& !iece' !i!eline5= or

"5 there is a hi$h ris& of accidental or unavoida"le contact "y the o!erator %ith

conductive elements' %hich may or may not "e a confined s!ace as defined in

A(8( 2DE)

Co67'%#$7e G"% "&( O;5e& Mo&$#o*

An a!!roved' direct-readin$ e6!losimeter or $as analyer' cali"rated and "um!

chec&ed !er manufacturer7s recommendations)

Co67'%#$7e o* F"66"7e M"#e*$" - Materials that %ill freely su!!ort com"ustion

once i$nited e)$)' natural $as' !a!er !roducts' oily ra$s' fine dust' condensate'

diesel' flamma"le chemicals' etc)5)

F$*e W"#+)e* - esi$nated !erson %ho is trained in fire %atch duties and is assi$ned

the !re-3o"' durin$ 3o"' and !ost-3o" res!onsi"ilities)

G"% Te%#e* -Authoried !erson %ho is com!etent in the use and cali"ration of $as

and o6y$en monitors and is fully ca!a"le of testin$ for !otentially e6!losive

atmos!heres in and around hydrocar"on sources) .as ester res!onsi"ilities %ere

defined in a"ove section)

Ho# Wo*, - Any %or& that involves the follo%in$:

!en flame

+eldin$

Cuttin$

Burnin$

.rindin$

!enin$ ener$ied 3unction "o6es

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,orta"le s!ar&-!roducin$ devices

(!ar&-i$nited en$ines

Gehicles' cranes' li$ht !lants' air com!ressors' $enerators' and other mo"ile

e#ui!ment

/lectrical hand tools

(and "lastin$ or other activities %hich may cause static char$e "uild-u!

on-intrinsically safe electronic devices cell !hones and radios5

4. HOT WORK IN CONFINED SPACE PROCEDURE

4.! Ge&e*" Ho# Wo*, R'e% < A Ho# Wo*, 7o#) oe& :"6e o* o#)e* %o'*+e o:

$5&$#$o&

/very confined s!aces into %hich entry is re#uired shall %here !ractica"le' "e

o!ened u!' thorou$hly cleansedif necessary5' freed of $as and li#uids' thorou$hly

ventilated and its atmos!here tested "efore !ersonnel are allo%ed to enter)

For %hatever !ur!ose it is re#uired' entry into confined s!ace shall only "e consider

after all other !ractica"le ste!s have failed to deal %ith the !ro"lem)

All %or& involvin$ entry into confined s!aces shall "e carried out under the control of

a +or& ,ermit' %ith necessary com!lementary entry and Isolation Certificates)

/ntry into inert atmos!heres is normally !rohi"ited' and is only !ermitted %here

s!ecific %ritten !rocedures have "een !re!ared and authoried in %ritin$ "y the

!ro3ect Mana$er)

nly !ersonnel trained and com!etent in %or&in$ in inert atmos!heres shall "e

em!loyed for this %or& on ./C o!erations)

+eldin$ in a confined s!ace shall "e done in accordance %ith the confined s!ace

!rocedure)

/lectrical %eldin$ !lant to "e used in a confined s!ace shall "e com!ly %ith B(D

,art 10) C e#ui!ment shall "e used in !reference to AC) If used' AC e#ui!ment shall

"e fitted %ith volta$e re$ulators= %hich restricts the no load volta$e to 40G "efore the

electrode ma&es contact %ith the %or& !iece)

+hen arc %eldin$ in a confined area' such as inside of !i!eline' "ear in mind that all

the haards associated %ith normal arc %eldin$ are am!lified' so the !recautions

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mentioned here are even more im!ortant) ,er (*A document 2H CFR 1H10)14D' a

!articular area is considered a confined s!ace if it:

15 Is lar$e enou$h and so confi$ured that an em!loyee can "odily enter and !erform

assi$ned %or&=

25 *as limited or restricted means for entry or e6it

5 Is not desi$ned for continuous em!loyee occu!ancy)

here is a $reater dan$er that enou$h :"66"7e 5"%e% may "e !resent in the

confined s!ace to cause an e6!losion) he metal of the enclosure can "ecome !art

of the %eldin$ circuit' so any metal you touch the %alls' floor' ceilin$5 is ee+#*$+"

=)o#=)

+eldin$ fumes can accumulate more ra!idly' %ith a hi$her concentration= $ases can

force out the 7*e"#)"7e "$*' suffocatin$ you in the !rocess)

,er (*A document 2H CFR 1H10)14Dd5E5iii5= after an area has "een deemed a

confined s!ace' the e6istence of the follo%in$ atmos!heric haards are to "e

determined:

15 est for o6y$en

25 est for com"usti"le $ases and va!ors

5 est for to6ic $ases and va!ors

he %or&!lace and (*A rules re$ardin$ confined s!aces must "e follo%ed)

Ma&e sure that your "ody is insulated from the %or&-!iece usin$ dry insulation)

+ear dry $loves and only use a %ell-insulated electrode holder)

(emiautomatic constant volta$e %elders %ith cold electrode or stic& %elders

e#ui!!ed %ith a device to lo%er the no-load volta$e are recommended' es!ecially%hen the %or& area is %et)

Ma&e sure that there is ade#uate ventilation and e6haust a res!irator or an air-

su!!lied res!irator may "e necessary de!endin$ on the a!!lication5' and that there

are no flamma"le coatin$s' li#uids or $ases near"y)

>astly' the %or&$rou! leader must have someone outside the enclosure trained to

handle emer$encies' %ith rescue !rocedures and a means to disconnect !o%er to

your e#ui!ment and !ull you out if dan$er arisese)$) (afety s%itch device5)

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./C *(/ e!artment cannot stress this stron$ly enou$h: ho%ever e6!erienced

you are' do not attem!t %or& of this nature %ithout constant communication %ith the

!erson outside the confined area)

+hen %eldin$ %ithin a confined area' !ro"lems %hich arise can immediately "ecome

very serious and' in some cases' life-threatenin$) It is for that reason that (*A

re$ulations and %or&!lace !rocedures for confined s!ace %or& must "e follo%ed)

/s!ecially %hen the %eldin$ activities %ill "e done in sections on !i!eline %here "i$

slo!in$ is involved and the rescue !lan it is the most im!ortant issue need to "e

consider !rior to ma&e the method statement or technical !rocedure)

For effect of desi$n of !i!eline and accordin$ the !lace that need to "e re!air or

%elded one team "et%een *(/ e!artment' Construction Mana$er and ,ro3ect

Mana$er %ill evaluate accordin$ this !rocedure if it is !ossi"le !erform that tas& and

the Ris& Assessment %ill "e discussed and develo! in order to !erform this 3o"

safely)

4.!.! Pe*6$# #o Wo*,

1) *ot +or& ,ermits shall "e issued' a!!roved' communicated' cancelled' and

mana$ed accordin$ to the ,ermit to %or& system !rocedure' %hich contains the *ot

+or& !ermit form)

2) All hot %or& must "e ceased immediately and a !ermit re-issued %hen the current

!ermit e6!ires or %hen a chan$e of condition occurs e)$)' si$nificant %eather

chan$e' unscheduled lon$ delay in activity' chan$e in %or& !lans5)

4) All affected or !otentially affected e#ui!ment and facilities must "e !ro!erly

isolated accordin$ to ./C . /ner$y Isolation !rocedures and other !rocedures

contained herein !rior to !erformin$ hot %or&)

E) At least t%o esca!e routes %ith easy access shall "e !rovided if hot %or& is "ein$

conducted in !i!eline)

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D) ot only essential !ersonnel and e#ui!ment shall "e !resent durin$ !erformance

of hot %or&) In addition insulate %elder from %or& !iece and $round usin$ dry

insulation) Ru""er mat or dry %ood or use trolley)+ear dry, hole-free gloves.

If wet area and welder cannot be insulated from work piece with dry insulation, use a

semiautomatic, constant-voltage welder or stick welder with voltage reducing device.

Keep electrode holder and cable insulation in good condition. Do not use if insulation

damaged or missing.

se ventilation or exhaust to keep air breathing !one clear, comfortable.

"rovide additional ventilation#exhaust where special ventilation.

$he welder should wear dusk mask for welding fumes %I&'( )*+ approved.

nd where is practicable the welder need to use '/self ontainer reathing

apparatus0.

) (ufficient num"er of trained fire%atchers stand"y man5 must "e !ositioned to

!ro!erly monitor the area affected "y the hot %or& "ein$ !erformed and have no

other assi$ned tas&s)

) All !ersonnel involved in the hot %or& activities shall &no% the locations of fire

e6tin$uishin$ e#ui!ment and emer$ency shutdo%n and communication devices)

/mer$ency res!onse !rocedures shall "e revie%ed %ith affected !ersonnel !rior to

!erformin$ hot %or& activities)

H) Areas %here hot %or& is !erformed shall "e %ell ventilated) A!!ly forced air

ventilation as necessary)

10) rain' se%er' and sum! lines shall "e !ro!erly isolated !rior to !erformin$ hot

%or&) ,refera"ly' drain lines %ill "e !lu$$ed and covered "y %ater to the e6tent

!ossi"le)

11) o the e6tent !ractical' flamma"le or com"usti"le materials shall "e renderedinert or moved $reater than 2E meters a%ay from hot %or& activities)

12) Atmos!heric monitorin$ shall "e accom!lished "y usin$ an a!!roved' cali"rated'

and "um!-chec&ed $as and o6y$en monitor) he monitor shall "e "um!-chec&ed

once !er day !rior to use and cali"rated at the fre#uency recommended "y the

manufacturer)

1) *ot %or& o!en flame or other i$nition source !otential5 shall "e conducted only

under the follo%in$ atmos!heric conditions: $as lo%er e6!losive limit >/>5 is 0 and

o6y$en concentration is "et%een 1H)E and 21) .as and o6y$en testin$ shall "e

!erformed as close as !ossi"le to the time the %or& %ill "e$in)

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)2 Ris& Assessment

Before issuin$ a Confined (!ace certificate' the follo%in$ ris& shall "e systematically

assessed for their !otential to affect !ersons involved in the follo%in$ ris& shall "e

systematically' access for their the !otential to affect !ersons involved in the %or&

activities:

6y$en deficiency

6y$en enrichment

Chemical and to6ic su"stances

Flamma"ility fire and e6!losion

,hysical haards includin$ those %hich affect the means of esca!e

4. Ho# Wo*, < oe& :"6e

1) Flame hot %or& activity "oundaries shall "e clearly demarcated to !revent

!assers-"y or unauthorised !ersons from enterin$ the hot %or& area)

2) Continuous atmos!heric monitorin$ and a trained fire%atcher or fire%atchers5 are

re#uired for all hot %or& %ith o!en flame 3o"s)

) +elders shall "e certified and trained to the a!!ro!riate code for the %or& %hich

they are !erformin$)

4) he !otential for sla$' s!ar&s or other "urnin$ material to fall onto com"usti"le

materials or "ehind e#ui!ment shall "e considered %hen !lannin$ and conductin$

hot %or& 3o"s)

E) +eldin$ machines and e#ui!ment shall "e ins!ected !er the follo%in$ minimum

criteria and !laced out the confined s!ace:

- s!ar& arrestor !resent and o!era"le=

- /mer$ency &ill s%itch !resent' clearly mar&ed' and o!era"le=

- Com!letely insulated %eldin$ leads in $ood condition no crac&s' s!lits or loose

connections5=

- 6y$en and acetylene "ottles secured in a safe location and flash "ac& arrestor

flo% valves are installed on o6y$en and acetylene hoses= and

- *oses do not have lea&s or crac&s and are e#ui!!ed %ith !ro!er fittin$s' $au$es'

and re$ulators)

) orch li$hters or stri&ers shall never "e carried on one7s !erson) hey should

instead "e attached to the %eldin$ cylinders or carried in a tool"o6 or "a$)

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H) he %eldin$ $round location should "e as close as !ossi"le to the %elds "ein$

!erformed) (!ecial caution and !ro!er $roundin$ desi$n should "e e6ercised %hen

%eldin$ on or near rotatin$ e#ui!ment' instrumentation)

10) .round connections must not "e attached to KliveL !rocess lines or vessels)

4.3 Re>'$*e( "+#$o&% ?)e& o' ?o*, $& +o&:$&e( S"+e%

Continuously ventilate and monitor air to ensure fumes and $ases do not e6ceed

safe e6!osure limits)

; 2H CFR 1H10)2E2c5 and 1H2D)Ec5 re#uire the use of local e6haust ventilation or

su!!lied air res!iratory !rotection %hen hot %or& is !erformed in a confined s!ace

%here there is a !otential for e6!osure to fluorine com!ounds flu6es and rod

coatin$s5'inc' lead' cadmium' or mercury) +hen "eryllium is !resent' use "oth local

e6haust and a su!!lied-air res!irator)

; 2H CFR 1H2D)Ec5 re#uires the use of local e6haust ventilation or su!!lied air

res!iratory !rotection %hen hot %or& is !erformed in a confined s!ace %here there is

a !otential for e6!osure to chromium or %hen .as Metal Arc +eldin$ is !erformed on

stainless steel)

; 9se I(*8M(*A ational Institute for ccu!ational (afety and *ealth8Mine

(afety and *ealth Administration5a!!roved "reathin$ device %hen re#uired "y code)

; ee! unnecessary !ersons and e#ui!ment out of' and a%ay from' the confined

s!ace)

; o not allo% e#ui!ment to "loc& e6it or rescue efforts)

; ,lace as much e#ui!ment as !ossi"le outside the confined s!ace)

; o not enter a confined s!ace unless a %atch!erson' !ro!erly e#ui!!ed and

trained for rescue' is outside) Maintain continuous communications %ith the

%or&er inside)1.ATTACHMENTS

C)e+, L$%#% :o* We($&5 $& Co&:$&e( S"+e%

A. Re+o66e&("#$o& :o* %":e e*

/. Co&:$&e( S"+e% E* Pe*6$#

C. E* e*6$#

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Attachments

A.Recommendations for Safe Entry: Checklist

Do not enter a conned space until you have considered everyuestion and have determined the space to !e safe.

se the follo!ing checklist to e"aluate the con#ned space$%es &o 's entr( necessar()

"esting

%es &o

*re the instru+ents used in at+ospheric testing properl(calibrated)

,as the at+osphere in the con#ned space tested)

,as o-(gen at least 19$5 percent and not +ore than 23$5percent)

,ere to-ic. /a++able or o-(gendisplacing gases"aporspresent)

(drogen sul#de arbon +ono-ide ethane arbon dio-ide ther list

as the authorized entrant or the entrant:s authorizedrepresentati"e been

pro"ided an opportunit( to obser"e the periodic testing of the

per+it space)

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#onitoring

%es &o

,ill the at+osphere in the space be +onitored !hile !ork isgoing on) ,ill the at+osphere in the space be +onitored continuousl(!hile !ork is going on) ,ill the at+osphere in the space be +onitored periodicall(!hile !ork is

going on) if (es. gi"e the inter"al;

Remem!er$Atmospheric changes occur due to the %orkprocedure or the product stored. "he atmosphere may !e safe%hen you enter& !ut it can change very uickly.

Cleaning%es &o

as the space been cleaned before entr( is +ade) ,as the space stea+ed) 'f the space !as stea+ed. !as it allo!ed to cool)

'entilation

%es &o

*re the appropriate operator:s instructions a"ailable) as the space been "entilated before entr() ,ill "entilation be continued during entr() 's the air intake for the "entilation s(ste+ located in an area

that is free ofco+bustible dusts and "apors and to-ic substances)

'f the at+osphere !as found unacceptable and then "entilated.!as it

retested before entr()

(solation%es &o


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as electrical e=uip+ent been locked out)

a"e disconnects been used !here possible) as +echanical e=uip+ent been blocked. chocked anddisengaged !here necessar() a"e lines under pressure been blanked and bled)

Clothing)Euipment%es &o

as a certi#ed personal protecti"e e=uip+ent hazard anal(sisbeen

conducted per 29 >? 1910$132a)

a"e the entrants been trained and certi#ed in the use ofpersonal protecti"e e=uip+ent per 29 >? 1910$132d) 's special clothing re=uired boots. che+ical suits. glasses.etc$) 'f so. specif(; 's special e=uip+ent re=uired for e-a+ple. rescue e=uip+ent.

co++unications e=uip+ent. etc$)'f so. specif(;

*re special tools re=uired for e-a+ple. spark proof tools) 'fso. specif(;

Respiratory Protection%es &o


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a"e (ou been trained in the proper use of a respirator) a"e (ou recei"ed #rstaidB? training) a"e (ou been in con#ned space entr( and do (ou kno! !hat tolook for)

Stand!y)Rescue

%es &o

,ill there be a standb( person on the outside in constant "isualor auditor( co++unication !ith the person on the inside)

,ill the standb( person be able to see andor hear the personinside at all ti+es) as the standb( person been trained in rescue) ,ill safet( lines and harnesses be re=uired to re+o"e a person) *re co+pan( rescue procedures a"ailable to be follo!ed in thee"ent of an e+ergenc() *re (ou fa+iliar !ith e+ergenc( rescue procedures)


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OGEC GROUP



E-plosi"e G L$>$L J 10 GCo-ic BB J 10 BB 2A

Ci+eCester:s signature;6$ o++unication procedures;7$ ?escue procedures;8$ Entr(. standb( and back up persons; %es &oAuccessfull( co+pleted re=uired training) 's it current)

9$ E=uip+ent; &* %es &o


19/20

OGEC GROUP



?ES'?EE&CA BLECE< ull Kod( arness !M U%E& 19$5G to 23$5GL,E? >L**KLE L''C nder 10G*?K& &U'


20/20

OGEC GROUP



Page20

0000-az-e-02132-d0 hot work in confined spaces safety procedure.doc

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