BassGas Offshore Environment Plan Summary - Operations ... · tes to its bu ent (HSE) P performance...
Transcript of BassGas Offshore Environment Plan Summary - Operations ... · tes to its bu ent (HSE) P performance...
Process OwneOrigin Energy When printed
Septemb
er: ABU SA Productio Resources Limited: , this is no longer a c
BassG
O
ber 2012
B
on Manager ABN 66 007 845 338 controlled document
Gas OSum
OEUP
BassGas Of
t.
ffshommary
P-T510
ffshore Env
Rev No: 0
re Eny - Op
00-PL
vironment
0
nvironperati
LN-EN
Plan SummOEUP-T5
Issue Date: 6/09/
nmentions
V-008
mary - Ope5100-PLN-E
/2012
t Plan
8
erations ENV-008
Page 1 of 33
n
Process OwneOrigin Energy When printed
Table
1.
2.
3.
4.
5.
6.
7.
er: ABU SA Productio Resources Limited: , this is no longer a c
of Conte
Introductio
BassGas Of
2.1 L2.2 O2.3 Sy2.4 O2.5 L2.6 H2.7 S
Description
3.1 P3.2 B3.3 C
Environme
H(N
Origin Corp
Environme
6.1 E6.2 C6.3 O
Environme
B
on Manager ABN 66 007 845 338 controlled document
ents
on ............
ffshore Facili
ocation .....Operational Dystem Overv
Offshore Pipeogistics .....
Helicopters ..upply and Su
n of Receivin
hysical EnvirBiological EnvCoastline and
ntal Impact
High energy mNatural dispe
porate Enviro
nt Plan Cons
mployee ConConsultation Ongoing Stake
nt Plan Liais
BassGas Of
t.
...............
ities Activity
...............Details .......view ..........eline ........................................
upport Vesse
ng Environme
ronment .....vironment ...d Marine Prot
Assessment .
marine envirersion achiev
onment Polic
sultation .....
nsultation ...with the Regeholder Cons
ons ...........
ffshore Env
Rev No: 0
...............
y Description
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Plan SummOEUP-T5
Issue Date: 6/09/
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mary - Ope5100-PLN-E
/2012
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erations ENV-008
Page 2 of 33
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Process OwneOrigin Energy When printed
1.
Origin EnProject.kilometr
Commerplatformto incorpdiscover
An EnvirThe EP wAuthoritthe Bassand Gree
Origin Enas it relaEnvironmand the part of tSystem (
The ongooperatiocommitmactivitiepractica
er: ABU SA Productio Resources Limited: , this is no longer a c
Introdu
nergy Resour The BassGares south of
rcial productm via two proporate additries in the re
ronment Planwas acceptedty (NOPSEMAsGas Offshoreenhouse Gas
nergy is comates to its bument (HSE) P performancethe impleme(HSEMS).
oing compliaonal criteria ment to ensues (associatesble, elimina
B
on Manager ABN 66 007 845 338 controlled document
ction
rces Ltd (Orias project inKilcunda, a g
tion of gas cooduction weltional producegion.
n (EP) is in pd by the Nat
A) on 29th Auge Facilities Es Storage (En
mmitted to alusiness. ThisPolicy and Ste that must ntation of th
ance monitoris an integra
ure that all as and sub-coted or minim
BassGas Of
t.
igin Energy) cludes the Ygas pipeline
ommenced inlls, Yolla-3 action wells fr
lace for the tional Offshogust 2012. TEP in accordanvironment)
ll aspects of s commitmeandards, whbe attained he HSE Policy
ring, auditinal part of theadverse effecontractors) amised.
ffshore Env
Rev No: 0
is the majorYolla A offsho and an onsh
n June 2006 and Yolla-4. rom the Yoll
BassGas Offore PetroleumThis EP Summance with ReRegulations
environmennt is express
hich form the by all operay and Standa
g and reporte operation octs on the enre identified
vironment
0
rity owner anore platformhore gas plan
and is curre The offshorea field and a
fshore Facilitm Safety andmary documeegulation 11( 2009.
tal protectiosed in the coe foundationtions and asards is the O
ting against of the BassGnvironment rd, assessed a
Plan SummOEUP-T5
Issue Date: 6/09/
nd operator m, located in nt near Lang
ently producee facilities halso to tie-in
ties [OEUP-Td Environmenent summaris(8) of the Of
on and biodivompany’s He of its manasociated con
Origin Energy
legislative aas project aresulting fro
and as far as
mary - Ope5100-PLN-E
/2012
of the BassG Bass Strait 1 Lang in Vict
ed from the have been den other gas
T5100-PLN-ENntal Managemses the contffshore Petro
versity consealth, Safety gement pracntractors. A HSE Manage
nd Origin Ennd Origin Enm Origin Ene reasonably
erations ENV-008
Page 3 of 33
Gas 147 toria.
Yolla esigned
NV-005]. ment ent of
oleum
ervation and ctices, vital ement
ergy nergy’s ergy
Process OwneOrigin Energy When printed
2.
2.1 The YollLicence the locaplatform(GDA94,
The BassStrait tohorizontof Kilcunlength.
er: ABU SA Productio Resources Limited: , this is no longer a c
BassGas
Locationa field lies i comprises fotion in relat
m is Latitude Zone 55).
Figure 2-1
sGas Offshoro the Lang Latal directionanda at 368,2
B
on Manager ABN 66 007 845 338 controlled document
s Offshor
n Productionour whole acion to the Vi 39º 50’ 40.5
Location o
re Pipeline roang gas plantal drill (HDD70 East and
BassGas Of
t.
re Facilit
n Licence T/creage blockictorian and 5”, Longitude
of Yolla Gas
oute (see Figt in Victoria ) shore cross 573,1120 No
ffshore Env
Rev No: 0
ties Activ
L1, located ks (blocks 326 Tasmanian ce 145º 49’ 06
Field, T/L1
gure 2-2) run and has a tosing entry poorth. The of
vironment
0
vity Desc
in the Bass B62, 3334, 33coastlines. T6.3” or 5,588
Production
ns from the Yotal length ofoint is approxffshore sectio
Plan SummOEUP-T5
Issue Date: 6/09/
cription
Basin. The T/35 and 3467
The location 8,824 North,
Licence, Ba
Yolla A platfof 180 km. Tximately 1 kon of the pip
mary - Ope5100-PLN-E
/2012
/L1 Producti). Figure 2- of the Yolla , 398,910 Eas
ass Basin
orm in centrThe pipeline km east of thpeline is 147
erations ENV-008
Page 4 of 33
ion 1 shows A st
ral Bass
he town .5 km in
Process OwneOrigin Energy When printed
2.2 The Bassfor the Yapproxim(kL) per pipeline pipeline entering
er: ABU SA Productio Resources Limited: , this is no longer a c
Figure 2-2
OperatiosGas projectYolla Mid Lifemately 52 Te day of cond to the onsho from the pla
g the Lang La
B
on Manager ABN 66 007 845 338 controlled document
2 BassGas Of
onal Detailt commencede Extension erajoules (TJensate. Theore receivingatform to shang gas plant
BassGas Of
t.
ffshore Pipe
ls d production(MLE) ProjecJ) per day ofe platform exg facilities v
hore. The pit.
ffshore Env
Rev No: 0
eline Route
n in June 200ct constructif sales gas, 2xports dehyd
via a 147 km peline conti
vironment
0
06. Prior to ion the platf00 tonnes pedrated gas a long 250 mmnues onshore
Plan SummOEUP-T5
Issue Date: 6/09/
the Decembform was proer day of LPGnd condensa
m nominal boe for anothe
mary - Ope5100-PLN-E
/2012
er 2011 shutoducing G and 445 kiate via a twoore (NB) rawer 34 km befo
erations ENV-008
Page 5 of 33
tdown
lolitres o-phase w gas ore
Process OwneOrigin Energy When printed
Completfrom thefull timeexisting in new pproducti
The mod
2.3 The Yollskirted jlocation
After co
er: ABU SA Productio Resources Limited: , this is no longer a c
tion of the Me field but the maintenanc wells by intrproduction wion but simp
des of operat Norma
opera
Norma22 pe
Non-m
In excon a 2campa
Figure 2-3
System Oa A Platformjacket found.
mpletion of Yolla
accom
8 cond
B
on Manager ABN 66 007 845 338 controlled document
MLE project whrough the ince and thereroducing com
wells to the fly replace le
tion followinal basic man
ations and ro
al fully mannrsons on boa
manned oper
ceptional circ2 shift (24/7 aigns, such a
The Yolla A
Overview m is a self-ins
ation design
the MLE proA Platform i
mmodation fa
ductors (2 in
BassGas Of
t.
will not increnstallation oefore less prompression anacility also w
evels from w
ng completionned operatioutine mainte
ned operatioard (POB) for
ration; and
cumstances, operations) as well worko
A platform w
stalling Drilln to account
oject, the offn 80.5 m wa
acilities for u
nstalled for e
ffshore Env
Rev No: 0
ease productf an accommoduction downd pumping fwill not likel
wells in declin
on of the MLEon with typicenance activ
on with up tor wireline an
, manned op basis and a over and con
with new qu
-Ace platfor for the geot
fshore platfoater depth
up to 37, no
existing prod
vironment
0
tion from nammodation mown-time. It facilities. Fuy result in sune.
E project wocally 5 to 8 pvities.
o 19 persons nd planned m
eration with maximum POnstruction w
uarter instal
m designed technical con
orm facilities
rmally only 5
duction wells
Plan SummOEUP-T5
Issue Date: 6/09/
meplate (67 odule (Figure will also extuture drillingubstantially
orks are: persons on b
sleeping on maintenance
h up to 37 sleOB of 44. Th
works.
lled
by Arup withnditions at th
s will compri
5-8 (new)
s)
mary - Ope5100-PLN-E
/2012
TJ’s per daye 2-3) will alltend productg campaigns increased
board for bas
platform an activities.
eeping on plahis mode is f
h a stiction the platform
ise:
erations ENV-008
Page 6 of 33
y) per se low for tion from that tie-
sic
nd up to
atform for major
type
Process OwneOrigin Energy When printed
The offssatellite
The Yolland instropen dra
Chemicaoperatiopreventaand corrrequired
er: ABU SA Productio Resources Limited: , this is no longer a c
two p
produ
produ
compr
conde
piggin
drains
produ
flare s
diesel
chemi
power
hore platfore telemetry l
a A platformrument air fain systems a
al injection fon where meative measurrosion inhibitd for use, and
Figure 2-4
B
on Manager ABN 66 007 845 338 controlled document
roduction w
uction manifo
uction faciliti
ression facili
ensate pump
ng facilities
s (some new
uced water fa
system
l storage (so
ical storage
r generation
rm (see Figurink from the
m facility is sacilities. It aand provision
facilities are ethanol may re during stator are also pd as such thi
4 Yolla Platf
BassGas Of
t.
ells, trees a
old
ies for separ
ities (new)
ing (new)
tie-ins)
acilities and
me new)
and injectio
(one genera
re 2-4) shall e onshore gas
elf sufficienalso has a fun for reproce
provided onbe required
artup. Other provided. Ais equipment
form with ac
ffshore Env
Rev No: 0
nd chokes
ration and de
dump caisso
on, and
ator replaced
be ‘normallys plant.
t in terms ofll safety shuessing of liqu
n the platfor to mitigate chemicals int present, det has been m
ccommodati
vironment
0
ehydration o
on
d).
y’ manned a
f power genetdown systeuids.
m for times against hydrncluding dememulsifier an
mothballed.
on module
Plan SummOEUP-T5
Issue Date: 6/09/
of gas and liq
and will be co
eration, fuelm including
of upset conrate formatiomulsifier, revnd reverse d
mary - Ope5100-PLN-E
/2012
quids
ontrolled via
l gas conditio a flare, clos
nditions or aon or used averse demulsemulsifier a
erations ENV-008
Page 7 of 33
a the
oning sed and
bnormal s a sifier re not
Process OwneOrigin Energy When printed
2.4 The 350mto the on
The subs147 km aKilcundaS-lay meof approHDD showhich mcontinue
The offslength. Aluminiuon the seprotecteand intecontinuo
The pipevalve stacompounoperatio
The offsLast Valvand is coprotecteplatformdamage substruc
2.5 Followinpersonnemanned
Wirelineper year
2.6 Helicoptpreferrehelicopt
The heliaircraft.transporTooradinbe appro
A weathambienthelicopt
The plathelicopt
er: ABU SA Productio Resources Limited: , this is no longer a c
OffshoremmNB offshonshore gas p
sea pipeline along the seaa on the Victethod. The soximately 1.4re crossing e
meets up withes for 32.4 km
hore pipelin The riser, suum/ zinc braea bed and ted by an impernal corrosioous injection
eline has a siation is set bnd located oon with the v
hore pipelinve Off (LVO)ontrolled by ed by a High m, to the wes from drill-ricture and thi
Logisticsng completioel. The onsh and un-man
e/well intervr and could r
Helicopteters are the ped means of eer will not a
copters used Origin polic
rt personnel n (Victoria) aoximately th
er station ont temperaturer pilots to o
tform has heer navigatio
B
on Manager ABN 66 007 845 338 controlled document
e Pipeline ore pipeline
plant at Lang
connects to a floor in a dtorian coastlishore crossin4 km length entry point ish the subsea m as a burie
e is located ubmerged piacelet type sthe riser to ppressed curreon is controln of corrosion
ingle Main Liback from Baon private prvalve hand-w
e and riser a). The LVO i the platform Integrity Prest from the sg or crane os provides im
n of the MLEore gas plan
nned periods
vention operarequire up to
ers primary formevacuation.
always be saf
d are generacy stipulates offshore. Apand the Yollaree return h
n the platforre and transmobtain pre-fl
licopter radin purposes.
BassGas Of
t.
exports dehg Lang.
the foot of direct route ine. The subng consists ofand passes ws at the Kilc pipeline sec
ed onshore pi
on the seabeipeline and sacrificial anprovide proteent cathodic led by separn inhibitor in
ine Valve (Mass Highway aoperty. The
wheel stored
are able to bs located ab
m Emergencyessure Protesouth-westeroperations. Tmpact protec
E project, thnt control roo.
ations are exo 16 personn
m of transpo Depending ofe or practic
lly Sikorsky S that only twpproximate fa Platform ishelicopter fli
rm measuresmits the datalight real-tim
io communic
ffshore Env
Rev No: 0
hydrated gas
the riser at to the landfbsea pipelinef a Horizontawell under thunda landfalction. From tipeline to th
ed and stabishore crossinodes are instection in cas protection sration and dento the pipel
LV) station nand is a buri
e 350NB MLV at the gas p
be isolated frbove the waty Shutdown (ection Systemrn jacket legThe riser is lction.
e Yolla A plaom will remo
xpected to oel for approx
rt for personon the accideable.
S-76, Aerospwin-engine hflight time (os 45 minutesghts per wee
s wind directa to the onshme weather i
cation links a
vironment
0
and conden
the Yolla A pfall located se section waal Directionahe surf zonell and is drillthe shore croe gas plant a
ilised by a cong are protectalled along se of coatingsystem. No ehydration oline at the Y
near the shoied installati ball valve is
plant.
rom the plater level on t(ESD) systemm (HIPPS). Tg, was selectocated withi
atform will botely control
occur approxximately 10
nnel to and fent and evac
patiale Superelicopters wone way) bet. During norek to the pla
tion, wind sphore gas planinformation
and a non-di
Plan SummOEUP-T5
Issue Date: 6/09/
sate from th
platform andsouth east ofas installed bally Drilled (H, beach and led out to thossing the Raat Lang Lang
oncrete weigcted by prote the full lengg damage. Tinternal pipef the well fl
Yolla A platfo
re crossing aion in a smals locked ope
tform topsidethe riser just
m. It is a highThe pipeline ted to avoid in the Yolla
be ‘normallyl all normal o
ximately once days.
from the platcuation scen
r Puma or otwith two pilottween the hermally mannatform.
peed, baroment control ro before depa
rectional be
mary - Ope5100-PLN-E
/2012
he Yolla A pla
d runs approxf the townshby the conveHDD) buried coastal dunehe HDD exit paw Gas Pipeg.
ght coat alonective coatingth of the piThe shore croe coating is puids and the
orm.
at Kilcunda. ll unobtrusivn under norm
es facilities bt below Cellah integrity v approach to the possibiliA platform j
’ manned wioperations d
e or twice pe
tform and thario, evacua
her approvets be used toelicopter based periods t
etric pressuroom. This allarting base.
eacon (NDB) f
erations ENV-008
Page 8 of 33
atform
ximately ip of ntional pipeline es. The point line
ng its ngs. peline ossing is provided
e
The ve mal
by the ar Deck valve o the ity of jacket
ith 5-8 during
er well
he ation by
d o se at there will
re and lows the
for
Process OwneOrigin Energy When printed
2.7 To suppoper mon
The suppA platfor
Additionsurvey aprogramdebris suclose to
er: ABU SA Productio Resources Limited: , this is no longer a c
Supply aort Yolla A pth during no
food f
diesel
produ
maint
ply vessel wirm.
nal offshore sand checks ofm. In additiourveys and se the Yolla A
B
on Manager ABN 66 007 845 338 controlled document
nd Supporplatform opeormal manninfor manned o
l fuel
uction chemic
tenance equi
ill also be us
support vessf both the pln, an ROV sueabed samplplatform.
BassGas Of
t.
rt Vessels rations a supng and will doperations
cals and
ipment and m
sed to offload
els will be relatform and urvey for theling to collec
ffshore Env
Rev No: 0
pply vessel wdeliver:
materials.
d domestic a
equired to u pipeline, as e future drillct geotechni
vironment
0
will visit the
and industria
ndertake Re a part of oning campaigcal data from
Plan SummOEUP-T5
Issue Date: 6/09/
platform ap
al waste gen
emotely Operngoing asset n is requiredm the existin
mary - Ope5100-PLN-E
/2012
proximately
erated on th
rated Vehiclintegrity mod. This inclung spudcan h
erations ENV-008
Page 9 of 33
once
he Yolla
e (ROV) onitoring udes holes
Process OwneOrigin Energy When printed
3.
The Bass(Origin Ewithin B
The ZoneYolla A pcoastline
Further Pipeline
3.1 Bass Straapproximand Flind
Bass Strais an oceBasin is predomisupplied
3.1.1 Bass Straclimate low preswesterlyaverage
The windsouthwefrom theof 8 – 10– 21.3 m13 - 21°C600 - 800
3.1.2 The tidedue to thsimultanwhere ththe centmagnitueffects ochanging
The tidaThe loweTidal cunorthwe
Local wiflow towgenerallyover themaximum
er: ABU SA Productio Resources Limited: , this is no longer a c
Descrip
sGas EnvironEnergy, 2002ass Strait th
e of Potentiaplatform itsee stretching
details on th Oil Spill Con
Physical ait is a sea stmately 240 kders Island.
ait lies on theanic region an area of conantly clasti
d to region.
Climate ait is locatedis determine
ssure systemy wind regim during the w
d directions est (southwese northwest 0.3 m/s, incr
m/s, with eveC during sum0 mm a year
Tides anes of central he astronomneously and ahe two wavetral strait incdes of the tiof meteorolog the phasing
al range at thest and highrrents at the
est respective
nd stress anwards the easy decrease w
e water deptm current sp
B
on Manager ABN 66 007 845 338 controlled document
ption of R
nment Effect2), provides aat is proxima
al Impact (Zelf, the pipel from Wester
he environmentingency Pla
Environmtrait separat
km wide at it
he southern m approximateontinental shic sediments
d on the norted chiefly bys (extratropi
me to Bass Strwinter month
in central Basterly winds)(northweste
reasing to 12en stronger gmmer and 9 -r.
nd Current Bass Strait a
mical tide. Tas a result, ies meet. Thecreases with ide within Baogical phenog or timing o
he platform iest astronome platform mely.
d regional dst-northeastwith increasih are about
peed is estim
BassGas Of
t.
Receiving
ts Statementan extensiveal to the Yol
PI) for the Bline route, trnport Bay to
ental impactan (OSCP) [O
ent ting Tasmanits narrowest
margin of theely 50 km ofhelf. A shallos in the basin
thernmost zoy the presencical cyclonesrait and are hs.
ass Strait ha) during Marc
erly winds) du2 – 15 m/s dugusts. Air te- 14°C during
ts are semi-diuhe tidal wavn the centree magnitude relatively stass Strait aremena may b
of the tide.
is estimatedmical tides amove in an el
rift tend to d. Typical neing depth. At 0.21 m/s an
mated at abo
ffshore Env
Rev No: 0
g Environ
t/Environmene descriptionlla A platform
assGas offshhe nearby iso Corner Inle
ts identified OEUP-T5100-
ia from the s point and co
e Bass Basin ff the Tasmaow basemenn to the nort
one of what ce of subtrops). Migrating likely to affe
ave a slightlych to April, auring May touring storm omperatures g winter. Th
rnal with theves enter Base of the straie of the tidaltrong tidal ce relatively ube significant
to be 2.3 mt the platforlipse and ten
dominate thear surface ct spring tide
nd the 100-yeut 0.41 m/s.
vironment
0
nment
ntal Impact S of the marim and associ
hore activitieslands (Kent et.
are provided-PLN-PFM-004
south of the ontains man
in water denian coast. t in the sout
th. There is
is called thepical high prg low pressuect the area
y higher proband a slightly
o July. Windonset and rea in central Bahe average r
e dominant lss Strait fromit there is anl currents theurrents at eiuniform and t, causing va
m during sprinrm are -1.47 nd to flood a
e mean currcurrent speeds the maximear average .
Plan SummOEUP-T5
Issue Date: 6/09/
Statement (Ene environmiated pipelin
es covers theGroup, King
d in the Yoll4].
Australian my islands inc
pths betwee The southerth gives way little sedime
e ‘Roaring Foressure ridgere systems t
a every three
bability of bloy higher pros will have taching typicaass Strait arerainfall range
large-scale wm the east ann area with sen increase ither end. T predictable.ariations in le
ng tides and m and +1.33and ebb to th
rents in the rds are 0.1-0.
mum current recurrence i
mary - Ope5100-PLN-E
/2012
EES/EIS) docment and biodne infrastruc
e area around Island) and
la A Platform
mainland. It cluding King
en 50 and 80 rn margin of to thick (>7ent currently
orties’ and ites and the mtypically brine to five days
owing from tbability of b
typical meanal maximume on averagees from abou
water movemnd west almosmall tidal cuas the distan
The times an. However, evel and also
1.7 m at ne3 m respectihe southeast
region and ty.26 m/s whicspeeds averainterval (ARI
erations ENV-008
Page 10 of 33
cument diversity ture.
d the the
m and
is Island
m, and the Bass
7 km) y being
ts igratory
ng a s on
the blowing n speeds s of 14.5
e ut
ments ost urrents nce from nd the o
eap tide. ively. t and
ypically ch aged )
Process OwneOrigin Energy When printed
3.1.3 In Bass Sthe islanSouthernseabed ageneratetwo wav
The locawest andof 5 - 7m
3.1.4 Prevailinautumn about 15warmer water temaximum
3.1.5 The bathincreasinStrait is carbonatSeabed spipeline water deGeoSoluwith roc
Benthic with sevbryozoanfeaturesplatform
3.2 Species Conservasouthernsouthernor repro
The opemovememonitorionly monevident was in cUniversitas the mwas cons
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Bass Strait haete familieshiopods beingsuch as activhe pipeline r
al Environmed under the) Act 1999 me, fin whale,eal. Howeve
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has consistens, pycnogonidg the most pve shelves, oroute.
ment e Commonweay migrate o humpback wer, none of t
s considered s. A noise asction and option due to de true and pyiver (based od movement migrating w any ongoing
on and are no frequent wt of the sout
ffshore Env
Rev No: 0
well and the mainland. is blocked cwer waters oe conditions
y from locallom 1.5 m - 2
xed water co temperatur
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that the sea about 80 m ly from river
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unlikely to hssessment waerational acelays in comygmy blue won high signat of vessels t
whales. The g significant
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have any signas undertaketivities (Curt
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Plan SummOEUP-T5
Issue Date: 6/09/
wave motion ts the accessand some reft. There aretion will be t
wind wavesiods of 8 - 13
m deep partese times geout the watein calmer pee seabed in w
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whale migrati
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is complicats of swell frofracted by the also waves the result of
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on the area f
act on the with the intety, 2005). Noale species wd at least one occasion (Carea was ideas a minor rising behaviou
e resident inurse sharks huncommon i
erations ENV-008
Page 11 of 33
ted by om the he these
m the h heights
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epths Bass y of
ong the dually to ents,
fauna, cs, ed f the
le, hark and for food
ention of oise was were ne whale Curtin entified sk and ur.
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ry seabirds pa Migratory Bs through or
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les (loggerheerable under erved in Basscatch and ingternational Ctform will av
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Commonweald formation wntingency Pla
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PBC Act, wh
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hawksbill andment Protec
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for the Preveng marine d
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OEUP-T5100-
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ich establish
assGas offshational Park
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, which esta
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to the east
red to be in
Plan SummOEUP-T5
Issue Date: 6/09/
ck), which arodiversity Cofrom entangl
management llution from
he Bonn Convgratory Bird ABass Strait a
ea. There ar
ntial hydrocathe event of4] will be im
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re listed as onservation (lement in fisprogram (incShips (MARP
vention, JapAgreement (and/or Tasmare however,
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mplemented.
reserves, Woor listed Ram
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areas aroun
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Page 12 of 33
(EPBC) shing cluding OL
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reserves
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Plan SummOEUP-T5
Issue Date: 6/09/
EIS for the Brm constructr, localised eand operation
as completedFacilities. T the environm As Low As Rse risk assess
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BassGas projetion and opeeffects to then.
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Reasonably sments are
erations ENV-008
Page 13 of 33
ect erational e biota
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Table 4-
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R1
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1 Environmenta
Hazard P
Disposal of Produced Water
•
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Potential Impact
Discharge of hydromercury and BTEXmarine environme
Rev No: 0
nt Summary
Risk wcontrplace
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form / process desigem design. t integrity program ems (ORACLE) n Water Analyser antion. ning and competenc
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all compression and form.
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Date: 6/09/2012
other consideratio
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sidered but rejected water into the Yod discounted based vision of water rein shore of produced high volumes of prontation of such a syhe platform followi accommodation m
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ent Plan Summ5100-PLN-ENV-
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Minor Wastes R3
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Hazard P
Flaring •
Sewage and domestic food wastes
•
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Decline in air quapollution, contribglobal warming
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Rev No: 0
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Date: 6/09/2012
other consideratio
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em and flame out mpilot system (propanon system (nitrogenecorded and reportcy of personnel (CCCPS-08) prior to disposal to vacuum system priols used vironment with signon achieved) marine ecosystems
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Hazard P
Emissions from combustion engines
•
Deck drainage •
Potential Impact
Decline in air quapollution, contribglobal warming
Discharge of cheminto the marine eand impact on maspecies.
Rev No: 0
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form design – includs, bunded storage ae (CCPS-10.2). t integrity program ems (ORACLE) spill kk ning and competencrs and bungs in usee oil transfer
tional controls consage and removal to s, diesel / chemicalhigh volumes of rainospective implemenht constraints on th
all compression and form.
BassGas Offsh
Date: 6/09/2012
other consideratio
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and turbine design
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ding enclosed drainaareas for used oil an
(CCPS-10.1) and mkits installed at all
cy of personnel (CCe during operations
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ystem is not viable dng recent modificaodules on the Yolla
ent Plan Summ5100-PLN-ENV-
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R6
R7
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Hazard P
Noise from platform, supply vessels or helicopter operations
•
•
•
•
•
Light emissions from platform or supply vessels
•
Potential Impact
Behavioural changfauna (localised avoidance/attract
Hearing impartmepathological damamarine fauna
Increase stress levmarine fauna
Disruption to mariunderwater acous
Secondary ecologialteration of predrelationship
Disturbance of miseabirds and othethat may be attralighting from the support vessels.
Rev No: 0
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acts the resident se
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erate sufficient powplatform is not on m
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BassGas Offsh
Date: 6/09/2012
other consideratio
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ustralian National G 2005)Vessels and Hand elevation minim
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orm, supply vessels al population.
sidered but rejectepower generation. platform for the nu
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hore EnvironmeOEUP-T5
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Non Routine Impact
N1
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Hazard P
Physical presence of platform
•
•
ts
Loss of containment of lubricating oil or grease Loss of containment of ROV hydraulic fluid
•
•
Potential Impact
Reduction in availarea
Collision with the shipping or fishingnote not a routine
Discharge of oil inmarine environmeimpact on marine
Disturbance of maenvironment fromdiving activities dassessed to be mi
Rev No: 0
Risk wcontrplace
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eries experience in tm with co-ordinates eries Management Pine/validated losse
form / process desig) and maintenance
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BassGas Offsh
Date: 6/09/2012
other consideratio
500 m safety zone mform hows minimal direc
vant fishing operatoies Liaisons Officer the region to consu of facilities Plan with formal gries incurred
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ID
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Hazard P
Loss of containment of Chemicals
•
Potential Impact
Discharge of chemthe marine enviroimpact on marine
Rev No: 0
Risk wcontrplace
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tional controls conside portable bunds cted due to availab not reduce the risk
BassGas Offsh
Date: 6/09/2012
other consideratio
to detailed hazardogn; permanently sto skids. (CCPS-10.1) and md / plated deck, tae of temporary bundntory of chemicals cy of personnel (CCcontractor managemance procedures (C rated containers (C
sidered but rejecte for safe storage of le space on platfork for miscible chem
hore EnvironmeOEUP-T5
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Page 1
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N4
N5
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Hazard P
Accidental disposal of waste
•
Introduction and Transmission of Invasive Species
•
Disposal of workover fluids
•
Potential Impact
Discharge of wastinto the marine eand impact on maspecies.
Displacement of especies with detrieffects
Discharge of chemthe marine enviroimpact on marine
Rev No: 0
Risk wcontrplace
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3 /
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tional controls consination of mercury rvoir fluid. Risk of rpment / structures f paint, scaffoldinge el to comply with Aels to comply with
of ballast water discply vessel selection
micals are subject tds to be pumped annsure optimal dilutiders and temporary ning and competencpetent workover co
BassGas Offsh
Date: 6/09/2012
other consideratio
cy of personnel (CCt Procedures and pt integrity program
ORACLE) – particula
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g, work over water
AQIS requirements. Ballast managemencharges. process
to detailed hazardod discharged througon. Use will be mad hose/pump as requcy of personnel (CContractors (contract
hore EnvironmeOEUP-T5
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CPS-13) – including utor management pro
ent Plan Summ5100-PLN-ENV-
Page 2
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20 of 33
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Risk
ID
Hydrocarbon Events
H1
H2
ction Manager ed: ABN 66 007 845 338 r a controlled document.
Hazard P
s
Loss of containment of diesel whilst bunkering
•
Loss of containment of diesel – supply vessel
•
Potential Impact
Discharge of diesemarine environmeimpact on marine
Discharge of diesemarine environmeimpact on marine
Rev No: 0
Risk wcontrplace
Cons
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el into the ent and species.
2 /
Mod
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6 /
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3 /
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BassGas Offsh
Date: 6/09/2012
other consideratio
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dures and processesdure, design and maan.
hore EnvironmeOEUP-T5
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Page 2
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3 /
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21 of 33
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Aspect
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ID
H3
H4
ction Manager ed: ABN 66 007 845 338 r a controlled document.
Hazard P
Loss of containment of hydrocarbons – Topsides event
•
Loss of containment of hydrocarbons – Blowout
•
Potential Impact
Discharge of gas tatmosphere and cinto the marine eand impact on maspecies.
Discharge of gas acondensate into tenvironment and marine species.
Rev No: 0
Risk wcontrplace
Cons
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to the condensate nvironment arine
2 /
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2 /
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cturally the surface designed to prevent result is effectivelyritical controls i.e. ess shutdowns, emepill Contingency Planing and competenc
tional controls consider additional equorted due to platfoifications would be ritical controls as idgn, asset integrity, rgency shutdowns ppill Contingency Planing and competenc
BassGas Offsh
Date: 6/09/2012
other consideratio
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sidered but rejecteuipment for oil in worm space constrain significant. dentified in the saf operating procedurparticularly SC-SSSVan. cy of personnel ope
hore EnvironmeOEUP-T5
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ory (approximately alates and the platfface safety valves (ge of hydrocarbonsH4, see below.
grity, operating proc including SC-SSSVs
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Page 2
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CPS-13).
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1 /
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22 of 33
Risk
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ID
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Hazard P
Loss of containment of hydrocarbons – Pipeline event.
•
Potential Impact
Discharge of condthe marine enviroimpact on marine
Rev No: 0
Risk wcontrplace
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3 /
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tional controls consall NRV at pipeline shore at Kilcunda to cted based on the rallation of concrete tional impact prote and costs of install
BassGas Offsh
Date: 6/09/2012
other consideratio
se to shore and henx 20 m3 of condensesulting in loss of p continued product
p. alarms and trips (C design, asset integemergency shutdow (CCPS-10.1) and M
an.
sidered but rejecteshore crossing and / reduce pipeline learisks and costs of in mattresses along p
ection. This was rejlation.
hore EnvironmeOEUP-T5
ons
ce result in shorelinate.
pipeline contents. Ption feeding the los
CCPS-02). grity, operating procwns, etc.
Maintenance manage
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pipeline route to prjected due to based
ent Plan Summ5100-PLN-ENV-
Page 2
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Platform ss of
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4 /
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23 of 33
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Issue Date: 6/09/
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ummary ENV-008
Page 24 of 33
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context. ThEMS.
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EnvironmeOEUP-T5
Issue Date: 6/09/
in the overa
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ent Plan Su5100-PLN-E
/2012
all framework
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Where incidenof HSE proced
ummary ENV-008
Page 25 of 33
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EnvironmeOEUP-T5
Issue Date: 6/09/
can be democted in Marcviewing the he operationacility). Theanagement, OEngineering, was develope
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ummary ENV-008
Page 26 of 33
rough August
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Table 6-
holder and al interest in
e project
an Marine Authority
ency in case h and rescueill response
monwealth
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on Manager ABN 66 007 845 338 controlled document
1: Summary
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No vesseconcernsexpresseplatformlocated existing zone.
OSCP - Insent relesections but advicopy warequired
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Rev No: 0
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Origiassessm
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EnvironmeOEUP-T5
Issue Date: 6/09/
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All recommeaddressed whwere assessedetermined irequired.
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Discussion replatform andmovements. timeline and
No further re
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/2012
nsultation
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ummary ENV-008
Page 27 of 33
to
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EnvironmeOEUP-T5
Issue Date: 6/09/
OriginSt
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Discussion replatform andmovements. timeline and
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Updated con
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ummary ENV-008
Page 28 of 33
to
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Combat case of oVictorianWaters
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Agency in oil spill in n State
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BassGas
Rev No: 0
Origiassessm
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Valid
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s Offshore
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Pqr
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P
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EnvironmeOEUP-T5
Issue Date: 6/09/
OriginSt
Provided extquestioned wrequired from
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No further re
ent Plan Su5100-PLN-E
/2012
’s response akeholder
tracts of OSCwhat informam Vic DOT.
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tal Plan.
esponse requ
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ummary ENV-008
Page 29 of 33
to
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