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TRANSCRIPT
, . , .
INL
INE
PR
ES
SU
RE
JIG
FO
R D
IAM
ON
D P
RE
CO
NC
EN
TR
AT
ION
:
TH
E F
AC
1·S
AN
D T
HE
MY
TH
S
Dia
mo
nd
s -
So
urc
e t
o U
se C
ollo
qu
ium
Ra
nd
bu
rg,
Oct
ob
er
2007
Ru
sse
ll H
ein
s
Ma
na
ge
r: R
SA
Op
era
tio
ns
& S
ale
s G
EK
KO
SY
ST
EM
S
, ..
Wh
at
do
we
me
an
by
"Pre
-Co
nce
ntr
ati
on
"
11
Co
mp
lem
e!n
tary
te
chn
olo
gy
to D
MS
11
Re
du
ced
lo
ad
on
do
wn
stre
am
cir
cuit
s
11
Sm
alle
r D~nS c
ircu
it =
red
uce
d m
ain
ten
an
ce
11
IPJ
act
s a
s an
ad
dit
ion
al f
ee
d p
rep
ara
tio
n s
tep
pri
or
to D
MS
.. a
nd
re
cove
ry
11
Fin
es rE~moved =
impr
oved
dow
nstr
eam
effi
cien
cy,
+ r
educ
ed F
eSi
cons
umpt
ion
11
Gra
nite
rem
oved
= r
educ
ed m
aint
enan
ce c
osts
11
C
lay
and
vege
tatio
n re
mov
ed
11
Tra
nsp
ort
co
sts
fro
m r
em
ote
de
po
sits
11
.. R
ed
uce
d c
ap
ita
l a
nd
op
era
tin
g c
ost
s
ll:
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...c (J (1)
t--.-...., -ca c 0
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III III (1) ~ > J: c
0 0 0 .....,
....., c: (1) s.... (1)
a .-ac 0 c en pi .-...., a.. -(1)
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(1) .., m s-(1)
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era
tio
na
l R
isks
an
d C
on
tro
ls
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k P
ote
nti
al
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nse
qu
en
ce
Co
ntr
ol
Ove
rsiz
e in
the
feed
D
iam
ond
loss
W
ea
r m
onito
ring,
dai
ly
sam
ples
, tr
ace
r te
sts
Blo
wn
ra!~ging
bed
D
iam
ond
loss
O
pera
tor
chec
ks,
mo
nito
r co
ncen
trat
e yi
eld,
,
mai
nten
ance
insp
ectio
ns,
I tr
acer
test
s
Err
atic
ft~ed
an
d D
iam
ond
loss
, re
duce
d In
stru
men
tatio
n pa
ckag
e,
oper
atio
nal c
ontr
ol
effic
ienc
y op
erat
or c
heck
s, t
race
r te
sts
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TI[
..
Will
iam
son
Tra
cer
Te
st W
ork
-20
05
11
On
e I
PJ2
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s re
tro
fitt
ed
to
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sure
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nsi
ste
nt
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fee
d
rate
an
d d
en
sity
11
40 b
atc
h s
cale
te
sts
con
du
cte
d u
sin
g t
he
re
tro
fitt
ed
IP
J24
00
11
Jo
int t
ria
l b
etw
ee
n G
ekk
o,
Will
iam
son
, a
nd
De
Be
ers
.
11
Go
als
of t
he
te
st w
ork
:
11
To
esta
blis
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e ap
plic
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ty o
f IP
J te
chno
logy
to d
iam
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taili
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11
To
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r co
ntin
uous
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11
To
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tify
and
high
light
pot
entia
l ris
ks in
IP
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and
ho
w to
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ectiv
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man
age
thes
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. ",
An
go
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on
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11
Pro
cess
ed
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ilin
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ara
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11
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Ove
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IPJ
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ple
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750
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. ;
Fin
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11
Pre
-co
nce
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ati
on
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5 m
m k
imb
erl
ite
ta
ilin
gs.
11
Init
ial
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rk y
ield
ed
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mo
nd
re
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0% f
or
2 m
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race
rs a
nd
70%
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r 1
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in
to a
40%
co
nce
ntr
ate
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ld
11
Be
st r
esu
lts
fro
m 3
mo
nth
pilo
t p
lan
t tri
al s
ho
we
d:
11
96%
re
cove
ry o
f 2 m
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.g.
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11
100%
rec
over
y o
f 2 m
m 3
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into
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0%
conc
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ate
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ss
11
80 t
ph
pre
-co
nce
ntr
ati
on
pla
nt
inst
alle
d i
n 2
006.
H
ea
vy
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id t
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ing
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very
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valu
e o
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in
to a
31
%
ma
ss.y
ield
.
Eco
no
mic
Be
ne
fits
of
Pre
-Co
nce
ntr
ati
on
I
~--------------------------------------------~
$5,0
00
$4,0
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ost $3
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00
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$1
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ton*
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200
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*
III
50 t
ph
DM
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lant
at
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er
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imat
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y B
ate
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ite D
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nti
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11
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ram
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11
Less
Ins
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11
Le
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pin
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11
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bo
ur
Co
st
Re
du
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11
85 t
/hr
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11
1 OO
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11
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pic
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40-
. 70
% r
ed
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'.
11
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11
Sm
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pa
re t
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t o
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MS
Cir
cuit
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. frtJ
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ulll en
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n
~Nilliamson T
race
r T
est
Wo
rk -
2005
-
11
On
e I
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400
wa
s re
tro
fitt
ed
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tro
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11
Jo
int t
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l b
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n G
ekk
o,
Will
iam
son
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nd
De
Be
ers
.
11
Go
als
of t
he
te
st w
ork
:
11
To
esta
blis
h th
e ap
plic
abili
ty o
f IP
J te
chno
logy
to d
iam
ond
taili
ngs
reco
very
11
To
dete
rmin
e th
e op
timum
jig
setti
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for
cont
inuo
us
oper
atio
n
11
To
iden
tify
and
high
light
pot
entia
l ris
ks in
IP
J op
erat
ion
and
ho
w to
eff
ectiv
ely
man
age
thes
e
11
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cove
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mm
, 8
mm
, a
nd
4 m
m 3
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of 4
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sts,
at
con
cen
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11
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11
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sin
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te
sts
11
Fiv
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ari
ab
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test
ed
:
11
Ra
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11
Str
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11
Pu
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11
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11
Vo
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ed
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te
fl(jmiclialle1JgeqoWesj~n()vafi()n.
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go
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nd
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ala
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11
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11
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ilin
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11
Init
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rk y
ield
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nd
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cove
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s o
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for
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rs a
nd
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r 1
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in
to a
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co
nce
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11
96%
) re
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f 2 m
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into
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11
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%
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s in
to a
50%
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trat
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ass
11
80 t
ph
pre
-co
nce
ntr
ati
on
pla
nt
inst
alle
d i
n 2
006.
H
ea
vy
liqu
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est
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very
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· fro
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no
mic
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ne
fits
of
Pre
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nce
ntr
ati
on
_r~~~~~~~~~~~~~~~~
Wit
ho
ut
Pre
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nce
ntr
ati
on
~--------------------------------------------~
$5,0
00
$4,0
00
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rati
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ost $3
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($
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00
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ton*
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tra
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t $0
.20
per
ton*
*
III
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ph D
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nt a
t $0
.93
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ton
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rall
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atin
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st
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y B
atem
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ram
ati
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11
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ss I
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t
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mp
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ar
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ne
nts
11
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st R
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11
85 t
/hr
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requ
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11
1 OO
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S P
lan
t re
quir
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pe
rato
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, ".'"
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frdm
't;ha
lleng
eqom
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11
Ca
pit
al
cost
s o
f a
ll d
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nst
rea
m e
qu
ipm
en
t re
du
ced
, ty
pic
ally
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70%
re
du
ctio
n
11
Sm
alle
r D
MS
re
qu
ire
me
nts
11
Sm
alle
r R
eco
very
du
e to
be
tte
r co
nce
ntr
ate
from
cha
lleng
e £;
Qm
esln
tfova
tion
Co
nclu
sio
ns
• T
he
In
Lin
eP
ressu
re J
ig IS
ve
ry d
iffe
ren
t to
co
nve
nti
on
al
jig
gin
g t
ech
no
log
ies
• T
he
IP
J is
le
ss c
om
plic
ate
d t
o i
nst
all
an
d o
pe
rate
th
an
oth
er
co
mm
on
ly u
sed
te
chn
olo
gie
s
• D
iam
on
d R
eco
veri
es
wh
en
op
era
ted
pro
pe
rly
are
co
mp
ara
ble
wit
h D
MS
pla
nts
• O
pe
rati
ng
an
d C
ap
ita
l co
st
be
ne
fits
of
IPJ
tech
no
log
y co
up
led
wit
h a
pp
lica
ble
DM
S p
lan
t are
co
nsi
de
rab
le
