1990-11-15_REVISION - M1988112 ‎(2)‎

• Permit No: M1988112
• IBM Index Class Name: Revision
• Doc Date: 11/15/1990
• Doc Name: CONTINUATION OF TRANSCRIPT
• Type & Sequence: AM1
• Media Type: D
• Archive: No

63
' 1 tailin
s
o in the
--
l
ibl
g
g
re
as
ow as poss
e, and so
2 that after the phases -- Phase 1 is developed, we
3 get to the point where both of these cells are at
4 the same elevation.
5 Now, Phase 1 embankment construction
' 6 involves 90 feet of material placed in a embankment
7 This is all natural on-site materials. As Anne
' 8 i
h
i
sa
d, t
ese mater
als are not designed to kie an
' 9 impermeable structure. They are designed t.o allow
l0 drainage, horizontally and vertically, thrcugh the
' 11 embankment to the ponds from the tailings
12 themselves.
' 13 The slurry Anne talked about, for the
14 reason of splitting the two areas in the initial
15 d
i
i
epos
t
on area phase, is also use of on-site
' 16 materials and is permeable.
17 Phase 1 has approximately 3-1/2 to 4
18 years' operating capacity. It has a total tonnage
19 capacity on the order of 6 to 7 million tons. Once
' 20 that operation has been completed, prior to that
21 there will be an increase with the two additional
22 stages which are rated on the initial 30 fee'.,
23 approximately. That provides total containment
24 capacity of between 12-1/2 and 13 million tons.
' 25 The discrete factors, discrete
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