Risk Assessment for Offshore Refuelling Rev 0

Risk Assessment for Oshore Refuelling

Veritas Viking II April 2004

Veritas DGC Risk Assessment for Offshore Refuelling Veritas Viking II

April 2004 Page 2 of 9

Contents 1 2 $ 4 .   9 10 11

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Appendices 1

Hazid Worksheets Including Risk Calculations And Definitions

2

ChevronTexaco Reuire!ents

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D"(CRI%TI&$

A)TH&R

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Issue to Client for Re5ie6

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1. April 2004

Veritas DGC Risk Assessment for Offshore Refuelling Veritas Viking II

April 2004 Page $ of 9

1 INTRODUTION  A ha=ar ientifiation an risk anal $ Or (treet> 8est Perth on 14 th April 2004# !he Veritas Viking II is operating in the Io7&ans= permit areas 8A?1?R> 8A?2.?P> in a sur5e< area entrall< loate appro@imatel< 2-0kms 88 :Dampier; 7 420kms 8est :Port *ealan;# !here are no kno6n ostrutions or fishing ati5ities 6hih oul interfere 6ith refuelling operations# !he isussion ontaine in this report sets out the risks of offshore refuelling to pro5ie unerstaning an a le5el of omfort 6ith respet to the o5erall risk e@posure#

2 O!"#TIV#$ !he oBeti5es of the stu< are3 •

!o ientif< ha=ars assoiate 6ith refuelling Veritas Viking II at sea

•

!o ensure that risks are As +o6 As Reasonal< Pratiale :A+ARP; an

•

!o aress eah speifi Che5ron!e@ao reuirement#

% $O&# !he stu< omprises t6o parts3 •

 A ha=ar ientifiation ontaining a risk alulation for eah ientifie ha=ar an

•

 A isussion of the risks an risk mitigation strategies to reue risks to alarp#

 A fault tree 6as e5elope to ai in unerstaning of the relati5e risks of offshore 5s port refuelling# !he risk anal ie# •

ientif< operations an ati5ities

•

rainstorm E6hat ifsF

•

etermine auses> onseuenes an safeguars 6hih are alrea< in plae an

•

to e5elop risk reution measures to aress an< efiienies an reue the risks to As +o6 As Reasonal< Pratiale :A+ARP;#

*a=ars 6ere ientifie an risk reution measures e5elope# !hese are isusse in rele5ant setions of this report an inlue in full as Appenies# !he follo6ing people attene the *a=i3 $a!e (te5e )a< (imon De6ing 8all< (pener Dik 8atson &akie De+aughter (ean /ilare

Title Auisition A5isor !ehnial representati5e *(' )anager )arine 'ngineering (uper5isor Vessel (uper5isor 'n5ironmental A5isor to CV

'os Consulting :Aust; Pt< +t

&rganisation Che5ron!e@ao '@@on)oil Veritas DGC Veritas DGC Veritas DGC 'os Consulting :Aust; Pt< +t

Veritas DGC Risk Assessment for Offshore Refuelling Veritas Viking II

)ike Dean

ailitator

April 2004 Page 4 of 9

:'os Consulting :Aust; Pt< +t;

, R#$U)T$ !he refuelling operation 6as i5ie into the follo6ing ati5ities3 •

'stalishing ommuniations

•

Preparation

•

!ransferring personnel

•

Vessel approah

•

)ooring

•

!ransfer of hoses

•

!ransfer of fuel

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Reo5er hoses

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Release 5essel

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Reo5er personnel

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Depart

!he ha=ars ientifie an a reako6n of the numer of issues ientifie < 6orkshop partiipants for eah e@posure are sho6n elo6# 8hilst this oes not iniate the se5erit< of an< partiular risk e@posure> it illustrates 6here the partiipants fouse attention on ientifie risks uring the *a=i 6orkshop#

Risk "xposure

Issues identified

Collision

-

Damage to Reputation

$

'ntanglement

.

ailure of ommuniations

$

alls 7 !rips

2

ire

2

Inaeuate ontrol of fuel hoses

1

Inaeuate hose length

1

InBur< to personnel

1

+oss of propulsion 7 steerage

$

)an o5eroar

2

)ooring failure

2

Personnel inBur<

1

Punture hoses

$

(pills

-

!O!A+

40

!he main e@posures are3 •

Damage to reputation

•

'ntanglement

•

ailure of ommuniations

•

+oss of propulsion 7 steerage

•

Punture hoses

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Veritas DGC Risk Assessment for Offshore Refuelling Veritas Viking II •

(pill

•

Vessel ollision

April 2004 Page - of 9

Collision

(pill

Damage to Reputation

Pun9ture4 hoses

Personnel inBur< )ooring failure 'ntanglement )an o5erAoar4

+oss of propulsion 7 steerage

2ailure of 9ommuni9ations

InBur< to personnel Ina4euate hose length

2ire

2alls 7 !rips

Ina4euate 9ontrol of f uel hoses

*igure 1

+reakdo,n of Risk "xposure Issues During Hazid Workshop

- RI$. RAN.IN* Risks 6ere ranke using the Veritas DGC Risk (ore Calulator# Risks for eah of the rele5ant ha=ar items 6as either lo6 risk or meium risk# !he highest risks are assoiate 6ith loss of propulsion an7or steerage of the unkering 5essel an entanglement of the unkering 5essel in to6e euipment# o high risks 6ere alulate# Calulate risk sores are inlue in the 6orksheets in Appeni@ 1#

/ RI$. R#DUTION '#A$UR#$ Risk reution measures 6ere e5elope to reue the ientifie risks to A+ARP# Risk reution measures fall into t6o ategories3 •

•

Ph training> oaring on lee sie of 5essel> )OPO (uitale sea state> 6eather onitions> 6in> ourse7 heaing for entire operation !iming> oorination> proper release of 5essel> aeuate propulsion> steering an propulsion to e full< teste an operational> ommuniations an Vane rope to e seure> taking into aount 6eather onitions an e@periene of re6# At isretion of )aster  %unkering Vessel (peifiations3 •

Vessel to ha5e minimum 2000hp t6in sre6s an o6 thruster 

•

Vessel fuel argo apait< to e minimum $00 m$ total

•

%oth 5essels must ha5e failities to eplo< the ,okohama feners

•

Deiate manning le5els on 5essel to e aeuate to ensure permanent monitoring of unkering operation :at )asterHs isretion;

'os Consulting :Aust; Pt< +t

Veritas DGC Risk Assessment for Offshore Refuelling Veritas Viking II •

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•

April 2004 Page  of 9

Vessel to ha5e appropriate raio ommuniations Cre6 to e e@periene 6ith fuel transfers :inluing mooring alongsie mo5ing 5essel; at sea *eight of unkering 5essel to e suitale to moor alongsie :to a5oi fouling 5ane 6ire;

3 DI$U$$ION !he ha=ar ientifiation :*a=i; 6orkshop resulte in a numer of reommenations to mitigate ientifie e@posures to spillage of fuel# It 6oul e e@pete that these issues 6ill e ealt 6ith as a matter of ourse# 'stalishment of ommuniations> preparation an planning for the fuel transfer operation are inlue in proeures an are seen as pre?onitions to the onut of the operation# ailure of an< of these proesses prior to mooring 6ill result in aorting of the operation# 'ntanglement> 5essel ollision> ommuniations> loss of steerage are ealt 6ith through proeures an ensuring that reunant propulsion an steering s from 5essel approah an mooring through fuel transfer an 5essel release# It 6oul e e@pete that this 6oul result in inient free operation#

10INDU$TR+ !#$T &RATI# !he refuelling at sea proeure is a stanar maritime operational proeure> an is suessfull< omplete gloall< 6ithout inient on a ail< asis# !he proeures that ha5e een e5elope prior to an follo6ing the *AID 8orkshop iniate that Veritas 6ill e@ee 6hat is onsiere to e inustr< :maritime; est pratie for this operation#

11ON)U$ION  A ha=ar ientifiation an risk assessment has een onute to assess risks assoiate 6ith refuelling the Veritas Viking II at sea# As a result of the ha=ar ientifiation> a range of measures ha5e een ientifie> inluing amenments to proeures an ph to reue the ientifie risks to As +o6 As Reasonal< Pratiale :A+ARP;# !he ha=ar ientifiation an resulting risk reution measures aress eah of the Che5ron!e@ao reuirements for onsieration of a proposal for refuelling the Veritas Viking II at sea#

'os Consulting :Aust; Pt< +t

Veritas DGC Risk Assessment for Offshore Refuelling Veritas Viking II

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'os Consulting :Aust; Pt< +t

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April 2004 Page  of 9

Veritas DGC Risk Assessment for Offshore Refuelling Veritas Viking II

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!he follo6ing reuirements ha5e een set out < Che5ron!e@ao 6ith respet to refuelling at sea3 •

!he operation is to ompl< 6ith VeritasJs )OPO as ontaine in the ProBet (peifi *(' Plan> 6ith the aitional onition that no refuelling is allo6e uring the hours of arkness

•

!he 5essel use for the refuelling must e auite an appro5e < CV

•

ener arrangement to e pro5ie for oth 5essels an appro5e < CV

•

!he use of r< reak oupling:s; for the transfer hoses

•

!he transfer hoses must ha5e een reentl< inspete an ertifie

•

Refuelling is onl< to e onute in a position to e appro5e < CV

•

•

•

•

•

 A)(A to e a5ise as per )arine Orers .72002 &*A is to e onute prior to the refuelling an is to e appro5e < CV CV personnel to e present uring the operation on the Veritas Viking II> an7or the refuelling 5essel 6ith the authorit< to stop the operation if eeme unsafe  Agree proeures et6een CV an Veritas DGC an o other ati5ities suh as transfer of euipment an stores to e onute simultaneousl< 6ith the refuelling#

!he *a=i speifiall< aresse eah of these reuirements#

'os Consulting :Aust; Pt< +t