Addendum to Regional Water Supply Facilities Plan Final Report (April 2011) Page: 6-21
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APRIL 2011
Table 6-3. Cost Comparison for Chlorine Sources'
Capital Cost O & M Cost
Chlorine Total3
Source Civil;Electrical Chlorine TT
etc. Equipment Total Annual Total
Commercial
Grade $103,000 $28;000 $221,000 $18,000 $203,000 $424,000
Hypochlorite -
On-Site
Hypochlorite $55,000 $85,000 $235,000 $14,000 $164;000 $399,000
Generation s
Gas Chlorine $103,000 $1,135,000 $2,080,000 $14;000 $159,000 $2,238,000
Notes:
1. Based on 10-mgd plant capacity and 100-lb of dry chlorine weight per day
2. Adding 40% for construction contingency and 20%.for.engineering
3. Total cost (present value) equals to total capital cost (present value)'+ total O & M cost (present value)
4. Commercial grade at 12.5%
5. 100-lb system at 0.8%
Table 6-4. Cost Comparison for Chlorine and UV Systems'
Capital Cost 0 & M Cost
Chlorine Tota
Source
Civil, Electrical Chlorine' Total Annual Total
etc. Equipment
On-Site
Hypochlorite $55,000 $85,000 $235,000 " $14,000 $164,000 $399,000
Generation 4
UV + Chlorine $33,000 $340,000 ' $627,000 $12,000 $139,000 $766,000
feed ________ ______ _____
Notes:
1. Based on 10-mgd plant capacity for both systems and 100-lb of dry chlorine weight per day, and-dry chlorine
weight for chlorine feed system and UV system respectively.
2. Adding 40% for construction contingency and 20% for engineering
3. Total cost (present value) equals to total capital cost (present 'value) + total 'O & M cost (present value)
4. 100-lb system at 0.8%REGIONAL WATER SUPPLY FACILITIES PLAN
6-21
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Civil Systems Engineering, Inc. Addendum to Regional Water Supply Facilities Plan Final Report (April 2011), report, May 2011; Houston, Texas. (https://texashistory.unt.edu/ark:/67531/metapth839161/m1/173/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.