pr-1515 - onsite mercury management procedure

8/13/2019 PR-1515 - Onsite Mercury Management Procedure

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Petroleum Development OmanL.L.C.

Document Title: Onsite MercuryManagement Procedure

Document ID PR-1515

Document Type Procedure

Security nrestricted

Discipline !ngineering and Operations

Owner "unctional Operations Manager - OP

Issue Date #pril $%11

Revision $.%

This document is the property of Petroleum Development Oman, LLC. either thewhole nor any part of this document may !e disclosed to others or reproduced, storedin a retrieval system, or transmitted in any form !y any means "electronic,mechanical, repro#raphic recordin# or otherwise$ without prior written consent of theowner.


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Petroleum Development Oman LLCRevision: 2.0

Effective: Apr-11

This page was intentionally left blank

Page 2 PR-1515 Onsite Mercury Management Procedure Printed 19/04/11

The controlled version of this !" #oc$%ent resides online in &ivelin'(. Printed copies are )*+*TR+&&E#.


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i Document Authorisation

Authorised or !ssue April "#11

Page , PR-1515 Onsite Mercury Management Procedure Printed 19/04/11



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ii Revision $istory

The folloing is a rief s$%%ar of the 4 %ost recent revisions to this doc$%ent. #etails of allrevisions prior to these are held on file the iss$ing depart%ent.

Revision%o& Date Author 'cope ( Remar)s

2.0 !ar-11 R$d van or'hove+22R / Roin*or%an )+P

Refer to Addend$% 1 for details ofchanges

1.1 3$ne-10 Roin *or%an)+P

Added Appendi 5 6 7ite 8arning 7ignage

1.0 7ep-09 Roin *or%an)+P / R$d vanor'hove +22R

Revieed corrected rationalised and$pdated

0 3$n-02 8. la$ *e Proced$re

iii Related *usiness Processes

Code *usiness Process +,P*M .

EP.52 !aintain and Ass$re "acilit ies ntegrit

iv Related Corporate Management rame /or) +CM.Documents

The related !" #oc$%ents can e retrieved fro% the !" Business Control Portal.


http://sww1.pdo.shell.om/dept_applications/Infrastucture/IMandT/TAXI/cmf/index.htmhttp://sww1.pdo.shell.om/dept_applications/Infrastucture/IMandT/TAXI/cmf/index.htm


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0A*L, O CO%0,%0'

i #oc$%ent A$thorisation...........................................................................................................,

ii Revision ;istor....................................................................................................................... 4

iii Related $siness Processes...................................................................................................4

iv Related orporate !anage%ent "ra%e 8or'


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4.,.? onfined 7pace Bis$al nspection and Entr.............................................................2,

4.4 ;ot 8or'ing on !erc$r onta%inated 7$rfaces...........................................................24

4.? Pigging +perations.......................................................................................................... 2?

4.?.1 eneral......................................................................................................................2?

4.?.2 Pigging.......................................................................................................................2?

4. 7l$dge Re%oval..............................................................................................................2

Appendi 1 6 Personal Protection E@$ip%ent.........................................................................2>

Appendi 2 6 Epos$re and "irst Aid...................................................................................... ,0

Appendi , 6 onta%inated 8aste !anage%ent "lo hart................................................,2

Appendi 4 6 8or' "loor nstr$ction ard 6 !erc$r.............................................................,,

Appendi ? 6 7ite and E@$ip%ent 8arning 7ignage..............................................................,4

Appendi 6 !erc$r 7pillage .............................................................................................. ,5

Appendi 5 6 #econta%ination of +ffline E@$ip%ent.............................................................,>

Appendi > 6 #econta%ination of Personnel..........................................................................,9

Appendi 9 6 Areviations.................................................................................................... 40

Appendi 10 6 Reference !aterial.......................................................................................... 41

Addend$% 1 6 hanges at Revision 2.0.................................................................................42

Page PR-1515 Onsite Mercury Management Procedure Printed 19/04/11



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1 !ntroduction

/AR%!%

M,RC2R3 !' A 4%O/% %,2RO0O!% 0$A0 !' ,0R,M,L3 0O!C ,6,% !%'MALL AMO2%0'& !0 D!R,C0L3 A,C0' 0$, C,%0RAL %,R6O2' A%D

R,%AL '3'0,M'7 CA2'!% D,6,LOPM,%0AL D,LA3'7 MO0OR A%D *RA!%PRO*L,M' L!4, 0$O', A''OC!A0,D /!0$ A20!'M&

M,RC2R3 ,!'0' !% 0$R,, ORM'8 !%ORA%!C M,0ALL!C M,RC2R37!%ORA%!C M,RC2R3 COMPO2%D' A%D ORA%!C M,RC2R3 COMPO2%D'&

OR MOR, D,0A!L' O% M,RC2R3 R,,R 0O 'P-"#9:- 'P,C!!CA0!O% ORO%'!0, M,RC2R3 MA%A,M,%0

1&1 *ac)ground

The entral +%an gas reservoirs are prod$cing %erc$r ith process facilities


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Distri;ution(0arget Audience

This proced$re is intended for $se all +perations and !aintenance personnel andontractors or'ing on ehalf of P#+ on facilities here %erc$r conta%ination is or%ae present d$ring nor%al operations.

1&< Changes to the Document

This doc$%ent shall e s$Dect to revie the #oc$%ent +ner / #oc$%ent$stodian ever , ears fro% the last date of iss$e.

At an ti%e d$ring this period the doc$%ent H)sersI %a re@$est the contents to erevieed and revised. Re@$ests for revie and revision shall e %ade in riting to the#oc$%ent $stodian $sing the H)ser "eedac' PageI or sending a H!ar'ed )pIcop of the doc$%ent. The decision to revie or revise the doc$%ent shall rest ith the"$nctional Prod$ction Tea% &eader )+P the +ner.

1& 'tep-Out and Approval

This #oc$%ent is !andator. 7tep-+$t shall e in accordance ith PR-1001e Operations Procedure Temporary Variance.

1&5 ALARP

A&ARP is the acron% for HAs &o As Reasonal PracticaleI hich si%plified %eansHred$cing the ris' to a level at hich the cost and effort


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" Roles and Responsi;ilities

7pecialist 7$pervisor


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< Mercury Management Plan

Prior to an or' eing carried o$t on a facilit here there is or co$ld e %erc$rconta%ination a !erc$r !anage%ent Plan shall e p$t in place. The plan ill providedetailed proced$res and preca$tionar steps to e ta'en for nor%al operations

planned sh$tdons and $nplanned events or incidences.The !erc$r !anage%ent Plan sho$ld provide details of:

Ris' !anage%ent in the event of a %erc$r incident

;igh ris' dail activities

!erc$r reporting and %aintenance of a !erc$r Register

&ocation of personal protective e@$ip%ent for $se ith !erc$r

&ocation and availailit of !erc$r 7pill and lean$p e@$ip%ent

&ocation and stat$s of !erc$r !onitoring e@$ip%ent

E@$ip%ent deconta%ination ;andling of conta%inated aste s$ch as:

onta%inated aste containers

onta%inated PPE

onta%inated 7l$dge / Resid$e


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facilit operating para%eters and data fro% the ind$str to predict possileconta%ination levels and Hhot spotsI.

The folloing si%plified flo diagra%


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8here possile all e@$ip%ent sho$ld e deconta%inated E"+RE leaving the site.Refer section 2.9.


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3 8 2 'olid /aste7olid aste s$ch as sl$dge and r$st scale shall e re%oved and stored in containers ordr$%s as ill$strated elo:

Polthene sheeting sho$ld e $sed to cover the sl$dge and an air tight lid and sealingarrange%ent fitted. The contents and nat$re of the ris' shall e clearl stated on theo$tside of the dr$%.

f re@$ired d$e to spillage of the content d$ring loading the o$tside of the dr$%s shalle spraed ith a deconta%inant che%ical.

The dr$%s shall e stored in a contain%ent area $ntil re%oval for disposal.

3 8 3 Disposa;le /asten a si%ilar %anner to solid aste disposale aste shall e stored in sealed dr$%s.#isposale aste shall e that hich ill not e treated $t disposed of in accordanceith legislative directives. The contents and nat$re of the ris' shall e clearl stated onthe o$tside of the dr$%.

3 8 4 Recycla;le /aste7o%e ite%s eposed to %erc$r %a e re-$sed i.e. PPE li'e oots nitrile r$ergloves and face %as's. This ill e stored in containers and then sent for processingand cleaning.

uipment sent =or 'crap or Repair

7trict controls shall e eercised over all %aterial and e@$ip%ent that is %oved off sitefor scrap or repair. The folloing shall e folloed:

All e@$ip%ent or %aterial that leaves the designated contain%ent areas shall

e tested for %erc$r and deconta%inated accordingl.

All ite%s that are to e sent for repair or scrap shall e deconta%inated

eternall if %erc$r conta%ination is identified.

te%s s$ch as valves pipe cooler $ndles etc shall have open ends and

identified lea' paths covered in polthene or si%ilar to %itigate spillage.




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&aelling indicating the %erc$r ris' level i.e. reen Red 1 2 or , for those

ite%s here conta%ination has een identified shall e attached to all ite%sshipped off site.

The transporters of the e@$ip%ent or scrap shall e advised of the %erc$r haard andan preca$tions / actions that re@$ire e oserving / carring o$t in the event of anincident d$ring transit.

The repairer if a ,rdPart shall e provided ith an infor%ation regarding the ite%eing shipped and preca$tions / proced$res to e folloed for deconta%ination d$ring

disasse%l.

NOTE: PO sall ensure tat rd Party contractors ave procedures in place &ordealin$ %it mercury contamination as part o& te vettin$ process(


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,. Enter 8et #econta%ination 7tation and get stand- Technician to spra#econta%ination che%ical on conta%inated PPE folloed a ater ash

4. &eave the 8et and go to #r #econta%ination )nitG Technician ill assist inthe re%oval of all orn PPE

?. 8hen all PPE has een re%oved leave the #r #econta%ination 7tation

. The #r #econta%ination )nit Technician ill dispose of the conta%inated s$it

into aste dr$% provided




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Mercury Management Procedures

&1 eneral

4 ,limination and Control o= Ris)sEpos$re to %erc$r vapo$r shall e li%ited to A&ARP


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!erc$r vapo$r %eas$re%ents shall e re@$ired hen:

Bessels e@$ip%ent and pipeor' etc are opened $p

!aintenance elding grinding c$tting carried o$t here %erc$r

conta%ination is 'non or s$spected

onfined space entr is re@$ired

)ns$re of the stat$s of an open vessel etc.

irc$%stances $nder hich the or' is carried o$t change

The folloing strateg for %eas$ring %erc$r vapo$rs is reco%%ended:

1. 7tart ith a aseline %eas$re%ent prior to the start of the or'

2. arr o$t a second %eas$re%ent hen there is a potential for epos$re

,. f the res$lt is elo 0.02? %g/*%, start the or' and repeat %eas$re%ent asnecessar

4. f the res$lt is aove 0.02? %g/*%, ta'e control %eas$res repeat

%eas$re%ents reg$larl

?. &og the res$lts on a sheet attached to the PT8.

4 3 Provision =or Containment - ,clusion ones#$e to the nat$re of %erc$r and its ailit to travel over great distances in li@$id for%contain%ent of the or' area shall e re@$ired. The Ecl$sion Cone estalished shalle large eno$gh to prevent conta%ination of the o$tside areas $t s%all eno$gh to eeasil %onitored.

8ithin an Ecl$sion Cone personnel ill e re@$ired to ear appropriate PPE hich%a incl$de Hspecialist protective coveralls and respiratorsI. The deconta%ination

station

7torage

orrect selection of PPE

orrect %iing for all applications

Application according to re@$ire%ent

ollection and disposal

E%ergenc spill clean $p

Page 1> PR-1515 Onsite Mercury Management Procedure Printed 19/04/11



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&< Decontamination Methods

Bessels 'non to e or s$spected of eing conta%inated ith %erc$r shall edeconta%inated efore entr.

NOTE:5t is essential to minimise 6li+uid7 %aste production 'ecause o& di&&icult disposalprocedures and very i$ associated costs(

#ifferent %ethods of deconta%ination can e $sed and the correct %ethod dependson:

Reason for %anned entr i.e. is it practicale for inspectors to or' in f$ll

%erc$r PPE

A%o$nt of %erc$r / sl$dge epected in the sste%

7ste% dna%ics and availale facilities


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?. The deconta%inant ill e given ti%e to or'


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,. f deconta%ination is re@$ired %as' off the %ana ith clear polthenesheeting

4. !a'e a penetration in the polthene sheeting and direct the spra aro$nd thevessel internals thro$gh the penetration.

?. Allo ti%e for deconta%inant to act


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The p$%ping sste% sho$ld $tilise a high point for inDection of the spra here as thestea% inDection sho$ld e at a lo point to allo for the stea% vapo$r


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#$ring circ$lation the che%ical ill e p$%ped aro$nd the sste% and vessel andalloed to soa' on the s$rfaces or into the scale that %a e dislodged. irc$lation%a e $p to 12 ho$rs or %ore and re@$ire the installation of a portale p$%ping loop.The sol$tion is then vac$$%ed fro% the sste% a vac$$% tan'er. The che%icalinding of an %erc$r conta%inants ill red$ce or prevent vapo$rs eing given offhen the sste% or vessel is opened.

NOTE: Tis metod o& decontamination sall re+uire some en$ineerin$ %or) to remove* install te pipe%or) and e+uipment &or pumped circulation i& no suita'le means isavaila'le in te desi$n o& te system * e+uipment(

The proced$re for ontin$o$s irc$lation depends on the config$ration to e $sedGhoever the folloing shall e applicale:

rea'ing contain%ent


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shall e installed for areas here %erc$r vapo$r is s$spected or anticipated toacc$%$late.

5. !erc$r vapo$r reading shall e ta'en at reg$lar intervals 0 de$ C it isconverted to !ercuric Oide( 2t >00 de$ C it decomposes separatin$ te #$and te Oy$en(

/AR%!%8 Mercury analysers do not detect Mercuric Oide +$gO.&

d. 8hen elding or grinding %erc$r conta%inated %etal re%ove the e@$ip%entto a ell ventilated area and 'eep people that are not re@$ired for the or' ellaa. Refer section 4.1., Ecl$sion Cones.

e. !ost %erc$r che%ical s$its are fla%%ale and therefore a fireproof overall%$st e orn over the che%ical s$it.

NOTE: Tis &ireproo& overall is li)ely to 'ecome mercury contaminated andmust 'e disposed or soa)ed in decontamination cemicals and tested prior to'ein$ placed in te normal laundry(

f. Personnel or'ing in the vicinit of the hot or' %$st ear correct PPE etc.

g. All hot or' $nderta'en on e@$ip%ent ith %erc$r present shall e H$pindI inan Ecl$sion Cones. 8elding or' here there are elevated levels of %erc$rvapo$r present sho$ld e assessed ;7E and the 7pecialist 7$pervisor andhere necessar Hpositive flo face %as'sI shall e $sed all persons in thedirect vicinit of the elding.




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&5 Pigging Operations

+n facilities here there is a ris' of %erc$r conta%ination consideration sho$ld egiven to pigging


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9. !onitor and deconta%inate or'ing part as re@$ired and store allconta%inated PPE in a sealed container. onta%inated tools shall e aggedand sent for cleaning.

10. !ove all haardo$s aste containers to the designated area. !onitor anddeconta%inate eternal s$rfaces if re@$ired. &oad aste sec$rel on transport

and ship to designated %erc$r aste storage and treat%ent area.NOTE: Te contaminated pi$ sall 'e sent &or cleanin$ 'e&ore it can 'e returned &oruse(

&@ 'ludge Removal

8hen dealing ith sl$dge the folloing ;7E 7pecifications shall e referenced andadhered to:

"P-100> #"E "peci&ication - Emissions to 2tmospere

"P-1003 #"E "peci&ication - 2+ueous E&&luents

"P-100. #"E "peci&ication - /aste !ana$ement

"P-1180 #"E "peci&ication - Naturally Occurrin$ Radioactive !aterials

6NOR!7

A proportion of the %erc$r conta%ination 1?N to 20N shall e fo$nd %ied ith thehdrocaron sl$dge that acc$%$lates in the pipelines in the otto%s of vessels and atlo points on the e@$ip%ent.

PR-1055 6 Preparation o& "tatic E+uipment &or 5nternal !aintenance and 5nspection covers the preparation of static e@$ip%ent hich incl$des vessels and pipeor' andhas a specific 7ection ao$t cleaning in partic$lar.

7l$dge can occ$r in a vessel that is ver diffic$lt to dislodge and %a re@$ire to etreated to %a'e it possile to re%ove.

!MPOR0A%087l$dge can also contain other conta%inants that re@$ire to e handledin a partic$lar %anner i.e. *+R! and this shall e ta'en into consideration.

8hen dealing ith sl$dge the folloing shall e considered and adhered to hereapplicale:

ontin$o$s %onitoring for %erc$r vapo$r shall e carried o$t hile the or' is

eing $nderta'en and forced etraction ventilation sste% $sed hereapplicale to red$ce %erc$r vapo$r.

Personnel re%oving the sl$dge %an$all shall e provided ith positive flo

air %as's and f$ll face shields if the ris' level arrants this level of protection.

All are s'in that %a co%e into contact ith the sl$dge or conta%inated %etals$rfaces shall e covered and protected.


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"ootear shall e safet r$er oots as a %ini%$%

efore loading into aste dr$%s or a vac$$% tan'er the sl$dge shall e

spraed ith a deconta%inant che%ical to red$ce the %erc$r vapo$rreleased.

"$ll deconta%ination incl$ding disposal / cleaning of all PPE shall e re@$iredfor all personnel involved ith the sl$dge re%oval ithin a confined space.

Refer to 7ection ,.>.for sl$dge aste handling and re%oval.

efore transporting dr$%s containing %erc$r aste the ha$lage contractor

shall e advised on the dangers and provided ith details of actions to eta'en in the event of a spillage.

8aste dr$%s shall e loaded in a vertical orientation and sec$red to restrict

an %ove%ent.

The Do$rne plan for the %ove%ent of %erc$r aste sho$ld e notified to the

R+P as a haardo$s aste ship%ent.




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Appendi 1 Personal Protection ,>uipment

PP, ,ternal ,posure

$g Level+mg(m PR-1515 Onsite Mercury Management Procedure Printed 19/04/11



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uideline - PP, Con=ined 'pace ,ntry

$g Level+mg(m


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Appendi " ,posure and irst Aid

,posure Levels

8;+ M 7hell +E&

The +cc$pational ;ealth Epos$re &i%it


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ollo procedureshen cleaning or refilling %erc$r-containing instr$%ents

/OR4LOOR !%'0R2C0!O% CARDMercury

,lement !denti=ier ;g

ound As Bapo$rG &i@$idG 7olid

ound /here Process E@$ip%ent and Pipeor' of as Process "acilities

,posure Category ;ighl Toic

Occupational $ealth,posure Limit +O,L.

0.02? %g/%,

Primary Ris)s

!a acc$%$late in the od


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Appendi < Contaminated /aste Management lo Chart

Page ,2 PR-1515 Onsite Mercury Management Procedure Printed 19/04/11



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Appendi /or) loor !nstruction Card Mercury

/OR4LOOR !%'0R2C0!O% CARDMercury

Primary Ris)s!a acc$%$late in the od


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Appendi 5 'ite and ,>uipment /arning 'ignage

The folloing are ea%ples of 8arning 7ignage to e fo$nd at P#+ locations here the ris' of!erc$r is present.




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Page ,? PR-1515 Onsite Mercury Management Procedure Printed 19/04/11



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Page , PR-1515 Onsite Mercury Management Procedure Printed 19/04/11



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Appendi @ Mercury 'pillage




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Appendi : Decontamination o= O==line ,>uipment

Page ,> PR-1515 Onsite Mercury Management Procedure Printed 19/04/11



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Appendi 9 Decontamination o= Personnel




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Appendi B A;;reviations

A&ARP As &o As Reasonal Practicale

37P 3o 7afet Plan

&P &i@$id Petrole$% as

+E& +cc$pational ;ealth Epos$re &i%it

PE Polethlene

PP Polproplene

PPE Personal Protection E@$ip%ent

PT8 Per%it to 8or'

PB Polvinl chloride

7;+ 7afe ;andling of he%ical




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Appendi 1# Re=erence Material

P#+ #oc$%ents

ode of Practice

P-114 !aintenance and ntegrit !anage%ent oP

7pecifications

7P-100? ;7E 7pecification - E%issions to At%osphere

7P-100 ;7E 7pecification - A@$eo$s Effl$ents

7P-1009 ;7ES7pecification 6 8aste !anage%ent

7P-1150 ;7E 7pecification - *at$rall +cc$rring Radioactive !aterials


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Addendum 1 Changes at Revision "

Page %o& Changes ( Additions

9 Added H!P+RTA*T *+TEI in 7ection 1.1 ac'gro$nd

10 Added 7ection 1. A&ARP11 Added 7ection 2 6 Roles and Responsiilities