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Quarterly1 January
1 INT
2 OC
2.1
2.2
2.3
3 AC
3.1
3.2
3.3
3.4
4 CO
5 REG
6 AS
FIGURE 1
FIGURE 2
Muswellbro
y Spontaneousy – 31 March 2
TRODUCTIO
CCURRENCE
Open Cut
Open Cut
Monthly
CTIONS AND
Control M
Prioritisa
Inspectio
Resourcin
OMMUNITY
GULATORY
SESSMENT .
Open
Open
ook Coal Comp
s Combustion 2017
ON ..............
OF SPONTA
t 1 ..............
t 2 ..............
Treatment
D PROCEDUR
Methods ....
ation ...........
ons ..............
ng ..............
COMPLAIN
INTERACTI
..................
n Cut 1 Sponta
n Cut 2 Sponta
pany Limited
Report
..................
ANEOUS CO
..................
..................
– Capping,
RES TO PREV
..................
..................
..................
..................
NTS .............
ON ............
..................
aneous Comb
aneous Comb
Content
.................
OMBUSTION
..................
..................
Mining and
VENT OR CO
..................
..................
..................
..................
.................
.................
.................
bustion Outbre
bustion Outbre
ts
.................
N ...............
...................
...................
d Water Inf
ONTROL SPO
...................
...................
...................
...................
.................
.................
.................
eaks
eaks
..................
..................
...................
...................
usion Areas
ONTANEOU
...................
...................
...................
...................
..................
..................
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..................
..................
...................
...................
s .................
US COMBUS
...................
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Page i
............. 1
............. 1
............. 2
............. 2
............. 3
STION .... 3
............. 3
............. 4
............. 4
............. 4
............. 4
............. 4
............. 5
Quarterly1 January
1 I
The coaMeasurcombus The NSWand thecombus
Area
Area
Area
Area
Num
Regu
Man This docby a plareas. A Spontrequiremoccurreremova
Exist
Drill
Min
Min
Emp
Emp
Coa
2 O
A summtreated is proviimplem
Muswellbro
y Spontaneousy – 31 March 2
INTRODUC
al seams mines. These stion has be
W Departme Environmstion report
as of sponta
as capped d
as mined du
as under wa
mber of com
ulatory inte
nagement p
cument addan showing
taneous Coments of thnce of spol, mitigation
ting open cu
ing and blas
ing of overb
ing of coal;
placement o
placement o
l stockpiles.
OCCURRE
mary of theis providedded in Tabented at MC
ook Coal Comp
s Combustion 2017
CTION
ned by the Mmeasures en a long‐te
ent of Tradment Protes on a quart
aneous com
during the re
uring the rep
ater infusion
mplaints rela
eraction; and
practices.
dresses the g the locati
mbustion Mhe Developmontaneous n and preve
ut and unde
sting;
burden;
of overburde
of washery r
.
NCE OF SP
e areas affed in Table 1.ble 2. SectiCC.
pany Limited
Report
Muswellbrohave a
erm issue at
de and Invesction Authterly basis. T
mbustion;
eporting pe
porting peri
n;
ating to spo
d
reporting peion and ext
Managemenment Consecombustionention in the
erground wo
en;
reject; and
PONTANE
ected by sp. The classifon 3 outlin
ook Coal Comhistory of t MCC since
stment ‐ Dihority (EPAThis report
riod;
iod;
ntaneous co
eriod of 1 Jatent of cur
nt Plan (SCMnt. The main and mane following a
orkings;
EOUS COM
ontaneous fication systnes the con
mpany (MCspontaneo
e the first op
vision of Re), requireidentifies:
ombustion;
anuary to 3rrently iden
MP) was prein objectivenage the efareas:
MBUSTION
combustiontem for spontrol proce
CC) operatioous combuperation com
esources anMCC to p
1 March 20ntified spon
epared accoe of the SCMffect by id
N
n and the antaneous codures and
ns are the Gustion. Spommenced in
nd Geoscienprovide spo
017. Text is sntaneous co
ording to thMP is to minentification
areas contrombustion treatments
Page 1
Greta Coal ontaneous n 1907.
nce (DRG), ontaneous
supported ombustion
he specific nimise the n, control,
rolled and outbreaks s that are
Quarterly1 January
SiteLoc
Open Cu
Open Cu
SUMMA
Total Ar
Total Ar* ‐ at end ** ‐ during
Classif
A
C
D
2.1
During taffectedareas le A map spontan
2.2
During affectedareas le A map spontan
Muswellbro
y Spontaneousy – 31 March 2
T
e Map cation
ut 1
ut 2
ARY
rea Affected
rea Controllof reporting pg reporting pe
Ta
fication
A M
B M
C M
D Oc
Open Cut
the reportind by spontaess than 200
displayingneous comb
Open Cut
the reportid by spontaess than 200
displaying neous comb
ook Coal Comp
s Combustion 2017
Table 1: 1st
Intensity(A‐D
C
C
d
ed period eriod
able 2: Class
MAJOR: Op
MODERATE
MINOR: Vis
OTHER: Othcoal tars, su
t 1
ng period thaneous com0m2 and sho
the approbustion in O
t 2
ing period aneous com0m2 and sho
the approbustion in th
pany Limited
Report
Quarter Su
Class D)
A
sification of
pen flame ‐ r
E: Visible ste
sible steam o
her physicaulphur crust
here were 1mbustion. Thowing visible
oximate lopen Cut 1, i
there was mbustion. Towing visible
oximate loche Open Cut
mmary of S
Affected Ar(m2)
24*
0*
24*
64**
f Spontaneo
D
regardless o
eam or smo
or smoke –
al evidence ting, etc)
12 areas lochese areas te steam or s
cation, sizes provided i
1 area locahe total are steam or s
cation, sizet 2, is provid
Spontaneou
rea CCo
ous Combus
Description
of area affec
ke ‐ area eff
area effecte
of sponta
cated in thetotalling 48smoke”.
e and clasin Figure 1.
ated in theea was 4msmoke”.
e and classded in Figur
us Combust
Controls ompleted
MiningCapping
Capping
stion Outbr
cted
fected is gre
ed is less th
neous com
e Open Cut8m2 were cl
ssification o
e Open Cutm2 and is cla
sification ore 2.
ion
Area Co(m
23
eaks
eater than 2
han 200m2
mbustion (e.
1 that werassified as
of area aff
t 2 that waassified as
f areas aff
Page 2
ontrolled m2)
24**
36**
4**
200m2
.g. cracks,
re actively “C‐Minor,
fected by
as actively “C‐Minor,
fected by
Quarterly1 January
2.3
Table 3areas of2017).
M
No 1 Op
Janua
Febru
Marc
No 2 Op
Janua
Febru
Marc
3 ACOMB
3.1
MCC hastrategi
re
co
m
reno
seto
raan
seemin
limex
Muswellbro
y Spontaneousy – 31 March 2
Monthly
3 provides f spontaneo
T
Month
pen Cut
ary 2017
ary 2017
ch 2017
pen Cut
ary 2017
ary 2017
ch 2017
ACTIONS USTION
Control M
as reduced tes during m
emoving fue
ooling heate
inimising ar
etaining 5m ot immediat
ealing of deo exclude ox
apidly buryinnd rainfall in
elective placmplacemenfiltration; a
miting spoil xclude oxyg
ook Coal Comp
s Combustion 2017
Treatment
monthly spous combus
Table 3: Mo
Date of S
1 Februar
1 March
3 April
1 Februar
1 March
3 April
AND PRO
Methods
the potentiamining:
el by mining
ed areas wit
reas of coal
of non‐reately require
commissionxygen;
ng of reactinfiltration;
cement of rt areas fond
emplacemeen and rain
pany Limited
Report
t – Capping,
pontaneous stion manag
onthly Spon
Survey Ca
ry 2017
h 2017
2017
ry 2017
h 2017
2017
OCEDURES
al for spont
the coal;
th water bef
exposed to
active overbed for mining
ned underg
ve overbur
reactive over deep bu
ent area liftfall infiltrati
, Mining and
combustioged during t
ntaneous Co
Area of Sapped SinceSurvey (m
12
0
24
0
0
4
S TO PREV
aneous com
fore mining
o the air prio
burden abog operation
round work
den to min
erburden sorial (encap
ts, under noion.
d Water Inf
on managemthe reportin
ombustion
SC e Last m2)
AM
Las
VENT OR
mbustion at
g (water infu
or to mining
ve workingns;
kings with c
imise the ti
o that it is insulation) to
ormal cond
fusion Areas
ment informng period (1
Manageme
Area of SC Mined Sincet Survey (m
20
0
4
0
0
0
CONTRO
the mine b
usion);
g;
s to exclud
clay or non‐
ime that it i
n the lower o exclude
itions, to a
s
mation, det1 January –
ent
e m2)
AreaWater
(
5
2
OL SPONTA
by using the
e oxygen fr
‐reactive ov
is exposed
portions ofoxygen an
height of 1
Page 3
tailing the 31 March
a Under r Infusion (m2)
,700
0
,400
0
0
0
ANEOUS
following
rom areas
verburden
to oxygen
f the spoil nd rainfall
10–15m to
Quarterly1 January
If an inmanage
anof
wpr
cogr
loco
3.2
During tto indica
3.3
The OCTechnicareas idServices Outbreaare refe
3.4
The OCmachinebeen ide
4 C
There wrelated
5 R
Discussireportin
Muswellbro
y Spontaneousy – 31 March 2
creased rised by the fo
ny blast holf spontaneo
ater infusiorocedure;
oal subject tround surfac
ose heaps oompacted w
Prioritisa
the reportinate to prod
Inspectio
CE inspects al Services dentified in s staff and/o
aks of sponterred to the
Resourci
CE is responery to undeentified.
COMMUN
were 8 compto spontane
REGULATO
ions about ng period.
ook Coal Comp
s Combustion 2017
k of spontallowing add
e which shoous combust
on or water
to active spce to allow
of coal that with a dozer
ation
ng period, auction staff
ons
the open staff inspeannual inspor productio
taneous comOCE for ins
ng
nsible for aertake cont
NITY COM
plaints receeous combu
ORY INTER
spontaneo
pany Limited
Report
aneous comditional man
ows signs oftion would
sprays wou
ontaneous it to cool; a
are subjectand saturat
areas requirthe order i
cut each cts the opepections, to on staff out
mbustion thspection and
allocating atrol works
PLAINTS
ived referrinustion) betw
RACTION
ous combus
mbustion is nagement st
f spontaneobe bagged o
uld be used
combustionnd
t to spontanted with wa
ring spontan which con
shift to ideen cut on a identify areline areas re
hat are repod corrective
and coordinfor outbrea
ng to spontween 1 Janu
stion with
identified atrategies to
ous combusoff or backfi
in accorda
n would be
neous combater from th
neous comntrol works
entify areaa weekly baeas of sponequiring con
orted by thee action.
nating appraks of spon
aneous comuary and 31
MSC and
as mining pthose desc
stion or is ailled;
nce with th
removed a
bustion wouhe water car
bustion conwere to be
s of spontasis, placingntaneous control works
e community
ropriate levntaneous co
mbustion (oMarch 2017
EPA were
progresses, ribed above
llowing air
he relevant
nd spread o
uld be spreart.
ntrol were pcarried out
taneous cog emphasis ombustion. .
y or other e
vels of manombustion
dour, or du7.
ongoing d
Page 4
it will be e:
into areas
safe work
out on the
ad out and
prioritised t.
mbustion. on those Technical
employees
nning and that have
st/ smoke
uring the
Quarterly1 January
6 A
Mining accordin
Muswellbro
y Spontaneousy – 31 March 2
ASSESSME
of spontanng to the se
ook Coal Comp
s Combustion 2017
ENT
neous combeverity of th
pany Limited
Report
bustion areae problem a
as and wateand the abil
er infusion lity to acces
continued ss these are
on an ongoas.
Page 5
oing basis
FIGURE 1: Open Cut 1 Spontaneous Combustion Outbreaks
January – March 2017
FIGURE 2: Open Cut 2 Spontaneous Combustion Outbreaks
January – March 2017