volume 1 - Halifax Regional Municipality

More documents

Recommendations

Info

<strong>Halifax</strong> Water Integrated Resource Plan Appendices • The current annual expenditure as a percentage of the asset value was based on the asset renewal expenditures provided in the Five-Year Capital for 2012 to 2017. It was assumed that the budgeted amounts are indicative of current asset renewal expenditures. • Some special assets with significant site-specific conditions affecting renewal costs such as reservoirs or dams were not modelled but rather subjected to individual analysis to estimate required renewal over the 30-year period. These were high-level estimates. Specific detailed evaluations should be made for each of these structures to establish current condition and replacement requirements. Based on the below, Table 2.1 shows the following: • The range of total water asset renewal 30-year NPV costs is from approximately $581 million for A level water system renewal to $312 million for C level renewal. This corresponds to near doubling (1.9 x) of costs in moving from C level to A level • Approximately 25% -30% of costs are associated with WSP renewal activity depending on the level of renewal. • Approximately 42% -53 % of costs are associated with linear assets (i.e. distribution and transmission mains) depending on level of renewal. • The modelled renewal rates significantly exceed the current renewal rates shown in the Five-Year Capital Plan for complex facilities such as WSPs, pumping stations, valves and pressure reducing valves (PRVs). • Current renewal rates for distribution mains are less than C level while current rates for transmission mains fall between B level and A level. • Current renewal for metering significantly exceeds modelled rates at all levels. As noted below, the asset renewal modeling used some simple rules based on asset age. For purposes of evaluating asset renewal effectiveness, two metrics were employed – average asset life at the end-of-period and the fraction of assets above design life. Revision: 2012-10-29 Integrated Resource Plan –Appendices F-9 October 31 2012 Page 188 of 272
<strong>Halifax</strong> Water Integrated Resource Plan Appendices Table 2.1 Water System Asset Renewal Analysis Asset Group Water Design Asset Life (Years) Current Annual Expenditure as % of Total Replacement Value 75 0.23% 75 0.50% 20 3.98% Civil - 50 M&E - 20 0.26% 75 0.07% Civil - 50 M&E - 20 ICA - 10 0.54% Variation Annual Asset Renewal Rate % of Replacement Value Asset Renewal Model 30 year NPV (Discount Rate 3%) ($m) A 0.82% $250.9 B 0.62% $188.2 C 0.35% $108.0 A 0.56% $58.8 B 0.44% $43.0 C 0.22% $21.5 A 0.40% $19.2 B 0.30% $14.8 C 0.19% $8.9 A 6.07% $30.3 B 5.10% $24.6 C 3.73% $18.3 A 0.16% $2.3 B 0.11% $1.5 C 0.07% $1.0 A 7.33% $44.0 B 6.19% $36.0 C 6.30% $34.0 varies 0.18% Reservoirs were assessed on a project-by-project basis $17.0 20 Reservoirs were assessed on a project-by-project basis $7.1 20 0.00% Dams were assessed on a projectby-project basis $6.3 Civil - 50 M&E - 30 ICA - 10 Civil - 50 M&E - 30 ICA - 10 0.63% Water System Totals A 3.91% $139.3 B 2.63% $98.6 C 2.57% $87.0 A 3.98% $6.0 B 3.95% $5.3 C 2.12% $3.0 A $580.7 B $442.2 C $312.0 Revision: 2012-10-29 Integrated Resource Plan –Appendices F-10 October 31 2012 Page 189 of 272
Page 1 and 2:
VOLUME 1: INTEGRATED RESOURCE PLAN
Page 3 and 4:
Halifax Water Integrated Resource P
Page 5 and 6:
Page 7 and 8:
Page 9 and 10:
Page 11 and 12:
Page 13 and 14:
Page 15 and 16:
Page 17 and 18:
Page 19 and 20:
Page 21 and 22:
Page 23 and 24:
Page 25 and 26:
Page 27 and 28:
Page 29 and 30:
Page 31 and 32:
Page 33 and 34:
Page 35 and 36:
Page 37 and 38:
Page 39 and 40:
Page 41 and 42:
Page 43 and 44:
Page 45 and 46:
Page 47 and 48:
Page 49 and 50:
Page 51 and 52:
Page 53 and 54:
Page 55 and 56:
Page 57 and 58:
Page 59 and 60:
Page 61 and 62:
Page 63 and 64:
Page 65 and 66:
Page 67 and 68:
Page 69 and 70:
Page 71 and 72:
Page 73 and 74:
Page 75 and 76:
Page 77 and 78:
Page 79 and 80:
Page 81 and 82:
Page 83 and 84:
Page 85 and 86:
Page 87 and 88:
Page 89 and 90:
Page 91 and 92:
Page 93 and 94:
Page 95 and 96:
Page 97 and 98:
Page 99 and 100:
Page 101 and 102:
Page 103 and 104:
Page 105 and 106:
Page 107 and 108:
Page 109 and 110:
Page 111 and 112:
Page 113 and 114:
Page 115 and 116:
Page 117 and 118:
Page 119 and 120:
Page 121 and 122:
Page 123 and 124:
Page 125 and 126:
Page 127 and 128:
Page 129 and 130:
Page 131 and 132:
Page 133 and 134:
Page 135 and 136:
Page 137 and 138: Halifax Water Integrated Resource P
Page 139 and 140: Halifax Water - Integrated Resource
Page 149 and 150: Capital Expenditure Program All $ i
Page 151 and 152: Page 1 of 3 Stormwater Projects Pro
Page 153 and 154: Page 3 of 3 Stormwater Projects Pro
Page 155 and 156: Page 1 of 7 Wastewater Projects Pro
Page 163 and 164: Water Projects Page 1 of 4 Project
Page 165 and 166: Water Projects Page 3 of 4 Project
Page 171 and 172: October 31 2012 Page 171 of 272
Page 173 and 174: October 31 2012 Page 173 of 272
Page 177 and 178: FINAL 1 2 3 4 5 6 7 10 13 16 17 18
Page 187: Halifax Water Integrated Resource P
Page 239 and 240:
Recommended Alternative Resource Pl
Page 241 and 242:
Financial Model 40-4 Halifax Water
Page 243 and 244:
Financial Model 40-4 2.512 (O&M) Lo
Page 245 and 246:
Financial Model 40-4 1.028 Cavalier
Page 247 and 248:
Financial Model 40-4 3.511 Stokil (
Page 249 and 250:
Financial Model 40-4 2.075 Beaver C
Page 251 and 252:
Financial Model 40-4 2.848 Storage
Page 253 and 254:
Summary of Capital, Operational and
Page 255 and 256:
Page 257 and 258:
Page 259 and 260:
Page 261 and 262:
Page 263 and 264:
Asset Renewal Costs Halifax Water I
Page 265 and 266:
Asset Renewal Costs Stormwater Asse
Page 267 and 268:
Page 269 and 270:
Statement Concerning Halifax Water
Page 271 and 272:
Statement Concerning Halifax Water
show all

volume 1 - Halifax Regional Municipality

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?