1989-10-10_REVISION - M1988112 ‎(34)‎

• Permit No: M1988112
• IBM Index Class Name: Revision
• Doc Date: 10/10/1989
• Doc Name: APPENDIX K WATER BALANCE
• Type & Sequence: AM1
• Media Type: D
• Archive: No

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Evap. - Calculated monthly evaporation from the
active tailings surface. Based on pan
evaporation applied over one-half of the
Tails Area (acre ft).
Entrain - Calculated monthly water Lost to moisture
retention within the void spaces of the
deposited tailings. Based on production rate
and estimated entrained moi:ture content
which is fixed after year one (acre ft).
Return - Calculated monthly available free water to
return to mill. Based on a summation of
inflows and losses; not to exceed the slurry
requirement nor to deplete the water pool
below the minimum pool requirement (acre ft).
WATER BALANCE
12.
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16.
9o Return - Calculated percentage of return water vs.
required slurry water, i.e. Return/Slurry
(~)•
Net - Calculated Net balancing flow •FOr the month.
Summation of 6-11 (acre ft).
Accum. - Calculated cumulative balancing flow.
Summation of 13 over time (acre ft).
Water Pool Vol. - Calculated monthly storage of free water in
the water pool. Based on Net water balance
and previous month Water Pool Vol . (acre ft).
Makeup - Calculated monthly required makeup volume
to supplement the return flow to supply
adequate water for slurry transport; 7+11
(acre ft).
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