attachment 2g - emf attachments part 6

8/8/2019 Attachment 2G - EMF Attachments Part 6

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81Sugarloaf Pipeline Alliance

Environmental Management Strategy

AttAchment 10:Alignment Risk AssessmentAnd decision AnAlysis

components



82 Sugarloaf Pipeline Alliance


Construction Right o Way ScenariosA ru r wa (RoW) ar av b a r a a

u ru RoW a r a.

Construction Type Description

t 1 Ba a ru RoW (30 r w)

t 2 la ru ru RoW (bw 30 r a a u

20 r w)

t 3 s ra ru RoW

t ba rqur a ru ar ar u bw:

Type 1 – Base Case Construction ROW

t a ba a ru RoW rv u raab w rqur rav fa

ra a ba a ubr rra a u bw. i a ur ra

Auraa u a u 30 r ru RoW r abv 800 r ar. t

r a w z (1700 r), wvr ru RoW a a ur

ra a ba a.

Rr ta cru s w a ba a ru RoW 30 r.

crra:

t s:•

t ar a ra ra w rv a a 150 r ar u 30 r

ru RoW w w ra 4.5 3/ ara 3 r. t u a

a aa a barrr x ru RoW.

Vuar A:•

Vuar a u b aa ur v ara, a, r, a

vra r a a ra a rr r aa

a a a. A 3.5 r ar w rqur av a r a

ru v.

B/hau mara s:•

Arxa 5 / b a au ara rqur b ava

a ra 4 r.

p la pa:•

t z a rqur a wr a r ba

w a a a b xavar a x. A a w arxa

12 , a u 80 xavar rqur ra. A 5 r ar ru

ra rqur a a a ra a r a w a a ra vr 8 r a

r.

tr/s pr ma:•

traa b r r r a 1700 r ar wu ra 17 3/

w a vra r w 7 r. t wu a rqur 11.9 r r .

A w ta cru s w a ba a ru RoW 30 r, r

r ra 103/ a rqur 7 r ara. t av

u r r a a j.





Aa ra ba a ru RoW a w:

sa:•

Aw aqua ara a bw ara, a a a a a .

m ubr av urr a RoW a (rr ta

p cru Av squ). p a a r av r xa a b

u w ava aa.

evra cru maa Av:•

m ar a ra ara ur a aa (.. ar a ra) a aa (.. u ur) ar .

cr a b ab a aa ava a aa wr

(.. a r).

pru:•

prv u a ru ra a ura vra

aa av.

mu RoW w rqur ur a ra a av a (.. aa). i

ara r wr uab b a a wu b ra

av.

t qu a wu ra ubr av urr uau a rr

w ru ra a w a ra a r u av urr uau.

Type 2 – Localised Reduction in Construction ROW

i ra rua r a b a rqur ru 30 r ba a ru RoW r a

a, a u a, vra, ru aa r a ra.

t RoW bw 30 r a a u 20 r a ba a ubr rra a

u bw.

Rr ta cru s w ru w 20 r (u).

crra r 20 r w (u):

t s:•

t b u RoW ar a ra av a b a rr

a a r ra . t v vv ub a ara

b rv r RoW a ra aa .

s Rva:•

Arxa 60 r ra r r av w b rv r

ru RoW rr aa av. t rqur aa r xavar

ur a ara a b r a ru r a.

B/hau mara s:•

Arxa 5 / b & au ara ar rqur b ava

a ra.

p la pa:•


w a a a b xavar a x. A a w

arxa 12 , a u 80 xavar rqur ra.

tr/s pr ma:•







A w ta cru s w ru w 20 r (u), r r

ra 103/ a rqur 7 r ara. t av u

r r a a j.

Aa ra a ru ru RoW ar a w:

sa:•

t ur a a r ra u a ru qu a rarar

av urr urr w a ru av.pru:•

tr qua ru a ru ra u aa av rqur

uau a a ru ru RoW w. t w av a rra a a.

t quau a ru RoW ru a a vra ruv vr

r b r.

Aa Ara Rqur:•

A ru RoW w ru a a ara ru a ubqu r aa ara

ara, a/r auvr a.

A:•

tr a rar rqu a rqur w a ru ru RoW w

ur a av a ur ara a a aa.

Type – 3 Steep Grade Construction ROW

i ara wr ru ru a aura ra r r w b a rqur

ra z ru RoW av a a wr ru ar (.. aa

ar w (arxa 3 r r bar) rqur rv a a ba r

ru ara). t aa ru RoW w b a varab u bu

w :

ga r (r b ra war a ar r r);•

gra (rr ab bw);•

War ; a•

A a a ba (ubr a a).•

t w ab ura a vra ru RoW w ba var ra

vara. i u b a ab a ua ru RoW w

a a var .. ru, r z .

Grade Profle

Geological Profle 0-10% 11-15% 16-20% 21-25%

War r 30 w aba @ arx

100 a

35 w aba @ arx

100 a

39 w aba @ arx

100 a

47 w aba @ arx

100 a

t ru RoW a ba w rra:

Wr par:•

A ar rqur aa ar w .. u bar, u a

r ar , vuar a ba , vra z RoW b ru

wr ru ar u t 2 ar (bw 30 r a a u 20

r w).





t s:•

t b u ru RoW ar a ra av a b

a rr a a r ra . t v vv ub a

ara b rv r ru RoW a ra aa .

s Rva:•

Arxa 60 r ra r r av w b rv r

ru RoW rr aa av. t rqur aa r xavar

ur a ara a b r a ru r a.B/hau mara s:•

Arxa 5 / b a au ara ar rqur b ava

a ra.

p la pa:•


w a a a b xavar a x. A a w arxa

12 , a u 80 xavar rqur ra.

tr/s pr ma:•



A w ta cru s w ru w 20 r (u), r r

ra 103/ a rqur 7 r ara. t av u

r r a a j.

Aa ra a ru ru RoW ar a w:

sa:•

earwr a ar b ura ba a ara.

Aa Ara Rqur:•

A ru wr ar ru a a ara a ru a ubqu r aa ara

ara, a/r auvr a.

A:•

tr a rar rqu a rqur w a ru ru RoW w

ur a av a ur ara a a aa.

pruv:•

m wr ar w ru a ru ruv.

Rr ta cru s uua ur.

Typical Pipeline Construction Activity Sequencing

Fw a a qu ru av.

Pipeline Construction Activity Sequencing

tr Rva (wr aab)1.

trar F2.

trar A cru3.

car a gra4.

evra cr aa5.

p a B sr6.





Pipeline Construction Activity Sequencing

B mara sr7.

d la Bur8.

Ra9.

Fbr o cab iaa10.

ca pr iaa11.Raba (u .)12.

marr p iaa13.

pra F a ga iaa14.



ALIGN

SPA-APP-GL-PDR-001A Page 2 of 8Rev C

Ecological Vegetation Communities

No measurable impacts on theextent of an EVC

Permanent loss of <1 ha ofLow/Medium conservation

significance vegetation; ORshort term loss of at leastone of the following (a) <1ha of High/Very Highconservation significancevegetation, (b) <10 ha ofLow/Medium conservationsignificance vegetation, or(c) >1% of the local extent ofan EVC is removed orotherwise affected (but <1%of the regional or stateextent is removed orotherwise affected)

Permanent loss of at leastone of the following (a) <1

ha of High/Very Highconservation significancevegetation, (b) 1-10 ha ofLow/Medium conservationsignificance vegetation, or(c) >1% of the local extent ofan EVC is removed orotherwise affected (but <1%of the regional or stateextent is removed orotherwise affected); ORshort term loss of at leastone of the following (a) 1-100 ha of High/Very Highconservation significancevegetation, (b) >10 ha ofLow/Medium conservationsignificance vegetation, or(c) >1% of the regionalextent of an EVC is removedor otherwise affected (but<1% of the state extent isremoved or otherwiseaffected)

Po

1coveLs(cereastoso>covethoo

Scattered Large Old Trees No measurable impacts onLarge Old Trees

Permanent loss of 1-5 LargeOld Trees; OR short termloss of 1-20 Large Old Trees

Permanent loss of 6-20Large Old Trees; OR shortterm loss of 21-50 Large OldTrees

PLteT



ALIGN

SPA-APP-GL-PDR-001A Page 7 of 8Rev C

Visual Amenity Landscape & Visual Localised, short term (lessthan 1 week duration) low level

visual impact or change tolandscape character affectingtravellers and/or landowners

Localised, low visual impactor change to landscape

character between 1 week -1 month duration.Permanent construction ofsmall (< 2m) above groundstructures (eg. Scour Valve)affecting visual amenity

Localised, moderate levelvisual impact or change to

landscape character of up to2 months duration.Permanent construction ofsmall (< 2m)above groundstructures (eg. Scour Valve)affecting visual amenity andpermanent removal ofvegetation (eg. Easementcreation), Temporaryconstruction of large (>2 m)structures and equipmentstorage.

Hc

cmwtrcoa(eaavevac

Note: The consequence category for the current risk rating should be based on the effectiveness of all planned controls including any planned co



Sugarloaf Pipeline Project

ALIGNMENT DEVELOPMENT - RISK CRITERIA

SPA-APP-GL-PDR-001A Page 8 of 8

Alignment Development - Likelihood Descriptors

Level Descriptor Description

5 Almost Certain The event is expected to occur in most circumstances during the period under review.

4 Likely The event is likely to occur during the period under review.

3 Possible The event might occur during the period under review.

2 Unlikely The event is not likely to occur in the period under review.

1 Rare The event will only occur in exceptional circumstances during the period

under review. No previous occurrence in similar circumstances.

Alignment Development - Risk Matrix

LIKELIHOOD

AlmostCertain

Likely Possible Unlikely Rare

Insignificant M L L L L

Minor M M L L L

Moderate H H M M L

Major E H H M M

CONSEQUENCE

Catastrophic E E H H M

attachment 2g - emf attachments part 6

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