| OCR Text |
Show Table 8. Capital and operating and maintenance costs, by Alternative, 1990-2050 Millions of Dollars Historical Trend Land Conserving Difference (LC-HT) % Difference (LC-HT)/HT CAPITAL COSTS Urban Areas Sanitary Sewer $3,397 $3,333 $64 -2% Storm Sewer $1,419 $1,330 $89 -6% Water $2,803 $2,697 $106 -4% Roads $7,264 $6,684 $579 -8% Subtotal Urban Capital $14,882 $14,045 $838 -6% Rural Areas Roads $17 $11 $6 -35% Septic Tank + Wells $338 $173 $165 -49% Subtotal Rural Capital $355 $184 $171 -48% Subtotal Capital Costs $15,237 $14,228 $1,009 -7% OPERATION AND MAINTENANCE COSTS (OVER 60 YRS) Urban Areas Sanitary Sewer $2,714 $2,663 $51 -2% Storm Sewer $1,134 $1,063 $71 -6% Water $2,239 $2,155 $84 -4% Roads $5,803 $5,340 $463 -8% Subtotal Urban O&M $11,889 $11,220 $669 -6% $2,714 $2,663 $1,134 $1,063 $2,239 $2,155 $5,803 $5,340 $11,889 $11,220 $13 $9 $270 $138 $283 $147 Rural Areas Roads $13 $9 $5 -35% Septic Tank + Wells $270 $138 $132 -49% Subtotal Rural O&M $283 $147 $137 -48% Subtotal O&M Costs $12,172 $11,367 $806 -7% Total Costs $27,409 $25,595 $1,814 -7% Discounted Total Costs $11,229 $10,486 $743 -7% Note: Discounting occurs at 3% real rate annually assuming 1/60 of development occurs per year. Source: ECONorthwest. DRAFT Summary Report ECONorthwest December 2000 Page 21 |
