Document xjepqvOR5a3JJbv9bYzdpeed1
FILE NAME Colonial Sugar Refinery CSR
DATE 1956 Dec 6 DOC CSR135
DOCUMENT DESCRIPTION Govt Inspection Results - Wittenoom Gorge -
Australian Blue Asbestos
-
J.
N. PLAINTIFF'S
EXHIBIT Bayonne
Bayonne
Bayonne Bayonne
Bayonne
PENGAD 102790
PENGAD
PENGAD PENGAD
- %
4
i
%
%.
volu
oN
.
-
volu
23 4
vsotliulot Inspector :,
2
:
Hincs
Hincs
Deportaunt
Deportaunt
'
Teichsey
* Hincs Deportaunt
"2
.
,6th
KALDIJKLIE KKAALDLIJKDLIIE JKLIE KALDIJKLIE
KALDIJKLIE
December 1956
4
,
ra
>
vs
.
Dien
pursettion phe Youtila CSOT Lise: 1.
+ AST Etteno
ame) ce mee
ere
te
Same
ete
anaes
-
--.
November 25th by-the-above.company by-the-above.company I vicited the ufaca opcrates
from
Governor 77th and inspected the under-
end bymfene mlast An air curvej bf tho
TowN
tlao carried out in the company of
undersrod workings th
Tistrict Inspector Ibboteon
mjwed
although Colonial Conditiona Conditiona tr 2 mjwed a^ le sattarnatory sattarnatory
;
4:
tho
Conditiona both mines were sattarnatory
tho miklenoon l'ine la below the standard of the
fittenoor This is to be expected herause of the feat that the
1o the aldo mine this two |:
a
the
although
although
kine
a
fittenoor
and temper^tures .
1
recorded
of on,
. dust
.
is
Actoshal is u nopy of dust comt^' temper^tures
in the mins and dust countdeu the treatment
ae
plut
~
4
Velometer All meav resantewere taken a vetroviok .
a3
ge
steht
CT
Ee
te
rittannam vina
rittannam
orc
a
ne
et an
a
CSS
ES Ral
.
+
of 6%.
Exhaust wred ocet , 60,000 coleze od
oe WL,
Lt. J IntakIntaketehrough ItntahketrhrooughusgerhPortails + 39,000 c.f.mas or +
off Although air entering through the tested
edits
.
.
not
amount
to
21,000 c.f.m.
the
amount of intak^ air
would megs remdegs red totule up suliefhetorily and the Pan unl Q Z
of hausting is en uble of exhausting this mount u^r . It is
therefore hard to imajus for this large deceregpe es_could es_could nrise
The intake air flows through the wording pluer til eventually
it is exhausted by the fan
The fan used is is innerdson 20
A.F with
18 41. witor driving it againut 1.7 .. .G
7
The warfare
of thiu mine aufl mu
dist from the will is
plant is oituuted close to the main edit
the wind blows in the right direction the pessed into the underground workings
Duct count taken man nousisiout were fairly food showit
When
...
oir
*
6303
.
res from dist to le nicking up
.
hen aed
137 p.p.C.C.
. .
00008.7.0.7 00008.7.0.7
mill
the mill
rafte
ca th ... 2. 2.
dunt aus
1.56 2
kee
__ See
anhe On
0.
PO
104 33 blazing 360 bel
10
only & hattu
WON Lsweneey
tutus : tt
0
ea
wk
ae
oe xote Rie .i
what the
60 ..
mill f^ not
ae gr ereaad
A2%
+ .
=
| oo
:
*
other
other
Beeldes the
openings to
main adit the gorge
and the exhaust ujit there cre
viz No. 1 Cliff Docting and
PI
Exhaust measured before fan
75,660 c.f.n
Intake total
83,000 c.f.m. c.f.m.
*
.
The total intace using made us as follows
Mein Adit
...
33,5 se ...
45. 1 11ft ^ en^fiur
26,000 0.7lte 0.7lte
Sel .No 2
Mer
ar)
sess
vw.
. 7
28,500 o.fl. o.fl.
.
Clea
es
.
sae og at
oe
.
totals which
error
here The discrepancy arrived at
6,340 0.5.m. 0.5.m.
is quite satisfactory It is quite possible that this
was arrived at when measuring intake at the Ho 1
" thtehe higner passing thro'igh through j^/take " Cliff Opening because if a rake of trucks were
the mein adit entruses the fan would draw marm air thro'igh thro'igh
thi"
Mall Clift Opening in preference 2 clafr Opening on
account of its lower rebiota her~ s the higner
total
obstined
from this asdistion it would be possible to assume
the intake through the N 1 Cliff Opening to be spproximately
3,000 a.f.m. a.f.m. instcal of 25,000 6.7
e
^ conveyor belt is still used for transporting the are
a underground into trorafer posa which is fitted with an air-
a nippletely eliminates * : water spruthich
the dust except when the
motor traske
in the Ore
Adit.As Adit.As the
is are bolig filled Truck pass very_small magaifude chute is opened a puff of dust riese from the transfer
pe this of such small amount that the danger present is of
te *
-
ao very_small
-..
Cre
-
Adit
ge
ventilated See by
but .
a
:
Ci : :
Adit Lichardson The Cre Trusk
is ventilated ^ No. D. appeare
appeare 39 . Lichardson Electric an forcing the air This fan
to. KY
Wa
be too small for the job and a better system would be to fit a-ae
oo,
_
oe E.F.4A bloctric F^n su 16 wouldbe sz^-atinintend of .*
er r forcing the air into the odit count entering the adit all the time
This would ensure ensure freat air ia
A dust
taken while the
truck was being filled phosed 260 p.p.0.0
-
Je
Treatment Plent
it thin ta
my first visit to this
pare the plant with all earlier visit but the was that the plant is of a very low dord
fust hazard not only to the surfene workers
nderground workers st the Wittersom inc
the alterations
mine
I
cannot
"
con-
impression I gained with a very bigh
but also to the paA it
to
The proposed alterations to the plant which were to allow for the use of unter han to be moandoned because the bu
of the fibre refused to bay fibre this Une sees wet
aa
The man of the vine a8 true every possible .
Lve to cli link ..
- elie SMe Natt so. usted H.I
Greson = .. Lhe, be cee vui sw aot ol 10 ton for a
cess of 50 10
thit svate who be couratlaz by the end4
of March 101
.
Generel
cnn
the wate
At
AE
time
of
of 13
+ THE THE
a
Bviced
o
Bviced that
the
Jf
v
'.
ore ..
wees
eae
< Comer wwe +
en
re
? :
OR -
a MY
an
*A
-
ste
-
wi.
were ! A
The average count
:
wt ~
.
ae
cd
>
.
*e
o
Fy
as compared with the underground
o-s
o>
Pad .
Wittenoom Hine
obtained at
workings
.
333
ee .
the mill was 690
p.L.C.c. p.L.C.c.
-
p.p.0.0
Colonial Line
we
ou
on!
30 D.P.C.0 D.P.C.0
.
os 7s
.
Secondary vontllution 16 and where necessary ground and le capplied exclusively by electric fu 8
under-
611 boroplig points 7 Coumeseca air +, actor oprase are used at
~"
**
*
boroplig
poinpts oints order to eliminate dat
.
bulb rr ae Even
day c^'n~ tant
the
c^'n~ tant c^'n~ tant
though the dry
tomperature outtide mine
progressed the wet balb tompers remained .
,
woe
tompers
a
acs
Tenperature
fh
air
_ Tenperature air
ier
S32 2178 Sap@cgite) rtTea arese: vSoraes
Lo Ismernture 12 ... S889D oe 70.5
It er
rs
Sat avrg tar ae Or tsctest ou ote
** ee
It was noticed during the inspection of the undergroun
worzinke lust although the dry balt temperature varied the wat
bulb temperat we'rezzined we'rezzined fairly ccntiurt ini Coter %
eon ate %
es Oe rs proces process ne Skee gt
on
2.2 24 Baring the procesosf
the
the slides particular attention who paid to the
fibre present in cast simple Kith the underground samples
obberved mill only an occasional fibre was
with the
samples
fibre present not a higher percentage of
although
exsesalvo
The higher fibre concentration would be at the Sagging Station
No. 3 Tromel and Ecreening Station and would only be in the
vicinity of 40-50 D.0.0.0 The rest of the mill would average
only about 10 p.n.c.c. of asbestos fiore