(GP/GT) for Additional Water Supply in the Lower Rio Grande

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EXHIBIT IIID-3
PRO-FORMA CALCULATIONS FOR ELECTRODIALYSIS REVERSAL PROCESS (EDR)
USING GPIGT POWER @ $O.Q32lKWHR
Cost Elements
Capital
COSts/($x 1(00)
Annual
COSts/($x 1()()Q)
Water Costs,
$/1.000 gal.
Capital Costs
1.
2.
3.
4.
5.
Plant and Equipment(2)
Feedwater Pretreatment
Feedwater SupplyO>
Water Transmission
Brine Disposal
$5.640
1.600
780
1.096
$646.75
n.r(l)
183.48
89.44
125.68
$0.392
n.r.(1)
0.111
0.054
0.076
Total Capital Costs
$ 9.116.09
$ 1,045.35
$ 0.633
Operation and Maintenance Costs
6. Operating and Maintenance Labor
a. Plant and Equipment(2)
b. Feedwater Pretreatment
c. Feedwater Supply
d. Water Transmission
e. Brine Disposal
Total Operating and Maintenance Labor
$/1 000 gal.
. 0.052
o
0.026
n.r.(1)
0.22
$ 0.298
7.
Other Operation and Maintenance Costs
a. Payroll Extras (15% of 6a)
b. General and Administrative Overhead (30% of6a + 7a)
c. Supplies and Maintenance Materials
d. Membrane Assembly or Replacement Tubing(2)
e. Chemicals(2)
f. Fuel or Steam
g. Electric Power
Plant and Equipment(2)
Feedwater Supply
Water Transmission
0.098
0.018
0.030
0.16
0.0225
n.r(l)
o
.1264
.0465
n. t l )
Total Other Operation and Maintenance Costs
Total Operation and Maintenance Costs
Total Water Cost (Total Capital Plus O. & M. Costs)
$ 0.4114
$ .7094
$ 1.3424