QUARTERLY INDEXES OF DIRECT COST FOR OPERATION, MAINTENANCE AND REPAIR (1967 - 100) BASED ON COMPOSITE 5 MOD MUNICIPAL WASTEWATER TREATMENT PLANTS 3RD QUARTER (CY-1988) ANNUAL O&M ESCALATION INDEX 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 _ • • • - • • . • • • . • . • • • • . 1 1 1 1 1 1 2 2 2 2 2 3. 3. 3. 3. 3. 3. 3. 3. .16 .23 .30 .38 .64 .88 .03 .18 .35 .59 .94 28 50 56 69 83 79 87 87 * * * * * * * AVERAGE FOR FIRST 3 QUARTERS ** AVERAGE FOR FIRST AND THIRD QUARTERS ------- RAW WASTEWATER PUMPING STATIONS DIRECT OPERATION. MAINTENANCE AND REPAIR COSTS AS OF SEPTEMBER, 1988 THE THIRD QUARTER OF CY-1988 OMR INDEX FOR RAW WASTEWATER PUMPING STATIONS AT 25 FT. DYNAMIC HEAD SHOWED AN INCREASE OF 0.9% FROM MARCH 1988 AND A DECREASE OF -0.1% FROM SEPTEMBER A YEAR AGO. GRAVITY SEWER DIRECT OPERATION, MAINTENANCE AND REPAIR COSTS AS OF SEPTEMBER. 1988 THE OMR INDEX FOR GRAVITY SEWERS FOR THE THIRD QUARTER 1988 SHOWED A 0.6% INCREASE OVER THE FIRST QUARTER 1988 AND AN INCREASE OF 0.9% OVER OVER SEPTEMBER A YEAR AGO. ------- 5.0 MOD LOAD COMPOSITE ACTIVATED SLUDGE TREATMENT PLANT OPERATION* MAINTENANCE AND REPAIR COST ESCALATION INDEX— 1967=100 1968 VALUE QUARTER RANGE 1 3 390 X 390 380 XXX XX 380 370 X X X X X X 370 360 X X X X X XX 360 350 XXXXXX XX 350 340 XXXXXX XX 340 330 XXXXXXX XX 330 320 XXXXXXX XX 320 310 X X X X X X X X X 310 300 X X X X X X X X X X 300 290 XXXXXXXXXX290 280 XXXXXXXXXX280 270 X X X X X X X X X X 270 260 X X X X X X X X X X X 260 250 XXXXXXXXXXX 250 240 XXXXXXXXXXXX 240 230 XXXXXXXXXXXX 230 220 XXXXXXXXXXX XX 220 210 XXXXXXXXXXX XX 210 200 XXXXXXXXXXXX XX 200 190 XXXXXXXXXXXXX XX 190 180 XXXXXXXXXXXXX XX 180 170 XXXXXXXXXXXXX XX 170 160 XXXXXXXXXXXXXX XX 160 150 XXXXXXXXXXXXXX XX 150 140 XXXXXXXXXXXXXXX XX 140 130 XXXX XXXXXXXXXXXX XX 130 120 XXXXXXXXXXX XXXXXXX XX 120 110 XXXXXXX XXXXXXXXXXXX XX 110 100XXXXXXXXX XXXXXXXXXXXX X X 100 YEAR 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 65 86 87 3X 6X 4X T/. SX SX 16X 13X T/. 6X 77. 9X 12* 10X 77. IX <*/. OX IX * YEARLY VALUE CALCULATED FOR AVERAGE OF CALENDAR YEAR « 1962 AVGERAGE FOR FIRST THREE QUARTERS « 1983 THROUGH 1987 ARE AN AVERAGE OF FIRST AND THIRD QUARTERS ------- MUNICIPAL NASTENATER TREATMENT PLANT OPERATION. MAINTENANCE * REPAIR IOHRI INDEX OF DIRECT COSTS FOR 5 HSD LOAD CONVENTIONAL ACTIVATED SLUDGE PLANT 11967=1.001 MITM ESTIMATES OF DIRECT COST IN CURRENT YEAR DOLLARS FOR AVERAGE U.S. PLANT Q T LABOR YR R INDEX 67 1.00 6fi 69 70 71 72 n 74 74 75 75 76 76 77 77 78 78 79 1 79 3 80 1 80 3 81 1 81 3 82 1 82 * 85 1 63 * 84 1 84 3 85 1 .06 .14 .24 .32 .41 .48 .54 .63 .70 .76 .84 .91 .96 .04 .13 .24 .29 .37 .45 .51 .69 .87 .93 .08 .08 .16 .17 .24 .43 85 3 3.32 86 1 3.34 86 3 3.43 87 1 3.54 87 3 3.54 88 1 3.75 88 3 3.88 CHEMICAL MAIN- OTHER COST POMER TENANCE COST INDEX INDEX INDEX INDEX 1.00 1.03 1.O8 1.10 1.12 1.13 1.18 1.34 1.83 2.37 2.39 2. SO 2.55 2.54 2.58 2.64 2.51 2.57 2.75 3.09 3.20 3.26 3.23 3.32 3.42 3.33 3.55 3.88 4.03 4.02 3.93 3.84 .000 1.000 1.00 .009 1.O37 1.01 .022 1.081 1.03 .066 1.133 1.06 .155 1.189 1.14 .239 1.218 1.19 .326 1.321 1.27 .543 1.408 1.46 .852 1.660 1.68 .080 1.746 1.73 .137 1.790 1.92 .207 1.835 1.92 .341 1.896 2.03 .486 1.953 2.08 .662 2.O41 i. 16 .797 2.112 2.19 .800 2.229 2.35 .921 2.334 2.50 .144 2.478 2.91 .485 2.660 3.40 .880 2.797 3.63 .045 2.933 3.96 .377 3.060 4.O4 .730 3.330 3.74 .826 3.359 3.81 .824 3.369 3.50 .956 3.379 3.60 .989 3.433 3.43 .281 3.497 3.38 .279 3.524 3.27 .424 3.549 3.45 .448 3.520 3.13 3.81 5.511 3.551 2.64 3.83 5.267 3.563 2.81 3.95 5.477 3.765 3.01 3.84 4.431 3.833 2.82 3.83 4.728 3.876 S.01 ESCAL- ADDED LABOR ATXON INPUT COSTS INDEX INDEX • 1.00 1.00 59,500 1.03 1.05 63,070 1.09 1.12 67*830 1.16 1.21 73.780 1.25 1.31 78.540 1.30 1.41 83,895 1.38 1.52 88,060 1.50 1.68 91,630 1.69 1.92 96,985 1.63 2.09 101,150 1.90 2.18 104,720 1.97 2.29 109,480 2.06 2.39 113,645 2.12 2.49 116,620 2.22 2.64 121,380 2.30 2.74 126,735 2.38 2.69 133,280 2.46 3.00 136.255 2.62 3.24 141,015 2.63 3.52 145,776 2.98 3.76 149.345 3.16 4.01 160.055 3.34 4.16 170.765 3.44 4.26 174,335 3.55 4.56 183,260 3.51 4.52 183.260 3.61 4.65 186,020 3.64 4.69 186,615 3.74 4.83 192,780 3.63 4.94 204,085 3.62 4.92 197,540 3.76 4.66 196.730 3.79 4.89 204.065 3.82 4.93 210,630 3.91 5.05 210,630 3.79 4.69 223,125 3.94 5.09 230.860 CHEMICAL COST « 9,942 10,253 10,750 11,017 11,156 11,248 11,734 13,406 18,204 23,572 23,840 24,917 25,348 25,306 25,720 25,260 25,039 25,600 27.353 30,779 31.846 32,503 32,117 33,080 34,052 33.107 35.363 38,633 40,073 40.014 39,061 36,212 37,970 36,146 39.304 36.206 38,136 ELfCT- RICITY COST « 22,800 23,005 23,301 24,304 26,334 26.249 30,232 35,180 42,225 47,424 46,723 50,319 53,374 56,680 60,693 63.771 63,840 66,598 71,683 79,456 66,464 92,226 99,795 107,844 110,010 109.987 112,996 113,749 120,406 120.361 123,667 124,214 125,650 120,067 124,675 101,026 107,796 MAIN- TENANCE COST « 11,649 12,085 12,597 13.209 13,853 14,192 15.397 16,403 19,338 20,346 20,662 21,360 22,090 22,755 23,777 24,607 25,970 27,200 26,672 30.991 32,569 34,167 35,646 36,792 39.139 39,132 39,371 39,997 40.736 41,052 41,347 41.007 41,375 41,511 43,665 44,652 45,153 OTHER COST « 13.000 13.139 13,462 13.620 14,690 15,535 16,565 19,067 21,695 22.549 25,063 25,077 26,415 27,166 26,176 26,573 30,562 32,560 37,916 44,323 47,190 51,587 52.541 46,716 49,655 45.557 46,629 44,714 44,010 42,624 44,696 40,729 34,321 36,632 39,147 36,706 39,157 ESCALATED ANNUAL COST C 116,691 121,552 127,940 136,130 144,775 153.119 162,006 175,666 198.647 215,041 223,226 231,173 240,672 248,529 259.746 268,946 276,711 268,213 306,639 331,326 349,434 370,536 390,666 402,767 416,016 411,043 422,579 425,706 438,007 446,136 446,531 442,892 443,401 447,006 457,821 443,715 461,106 ADDED 4 A COST « 1,438 3,523 6,239 9,O42 12,595 16,548 21.726 26,093 30,265 31,662 37.458 39,520 42,962 49,065 52.078 59.242 62,641 72,446 60,616 92.582 96.879 95.767 95,767 119,655 116,282 121,930 122,919 126,808 130,011 129,504 126,353 128,514 129,654 133,074 128,613 134,112 * COST MILLION GAL. 64 67 7Z 76 64 90 97 108 123 134 139 147 153 159 169 175 165 192 207 225 242 257 266 273 293 290 296 300 309 316 315 313 313 315 323 315 326 1967 COSTS 6ASED ON REGRESSION ANALYSIS OF COMPOSITE ACTIVATED SLUDGE PLANTS BEST ESTIMATES FOR 5 M60 LOAD CAPACITY IN THAT PERIOD. ------- COMPARISON OF OftM INDEX KITH PERTINENT BLS PRODUCER AND CONSUMER PRICE INDtXES YEAR 67 68 69 70 71 72 73 74 74 75 75 76 76 77 77 78 78 79 79 80 80 81 81 82 82 83 83 84 84 85 85 86 86 87 87 88 88 Q T R 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 AVG. 01 ESCALAT: INDEX 1.00 1.03 1.09 1.16 1.23 1.30 1.38 .50 .69 .83 .90 .97 2.06 2.12 2.22 2.30 2.38 2.46 2.62 2.83 2.98 3.16 3.34 3.44 3.55 3.51 3.61 3.64 3.74 3.83 3.62 3.78 3.79 3.82 3.91 3.79 3.94 O«M ADDED CPI HATER 4 PPI FOR INPUT SENERA6E INDUSTRIAL AVG. INDEX MAINTENANCE COMMODITIES 1.00 1.05 1.12 1.21 1.31 1.41 1.52 1.68 1.92 2.09 2.18 2.29 2.39 2.49 2.64 2.74 2.89 3.00 3.24 3.52 3.78 4.01 4.16 4.26 4.58 4.52 4.65 4.69 4.83 4.94 4.92 4.68 4.89 4.93 5.05 4.89 5.09 1.000 1.047 1.118 1.204 1.334 1.365 1.461 1.512 1.568 1.650 1.740 1.838 1.934 2.016 2.151 2.291 2.364 2.407 2.455 2.547 2.645 2.771 3.060 3.169 3.354 2.670 2.737 3.073 3.145 3.168 2.871 3.260 3.266 3.344 3.427 3.420 3.718 1. 1. 1. 1. 000 025 060 100 1.139 1.179 259 424 629 689 731 769 847 1.916 1.978 2.041 2.124 2.251 2.438 2.682 2.782 989 072 110 129 006 053 3.089 3.093 3.086 3.056 3.003 2.977 3.028 3.105 3.131 3.232 ------- CHEMICAL COST COMPONENT —MUNICIPAL HASTEHATER TREATMENT PLAKT O&M Q FERRIC R.R. INDEX OVERALL T CHLORINE ALUM CHLORIDE METHANOL LIME CHEMICAL CHEMICAL YR R INDEX INDEX INDEX INDEX INDEX FREIGHT INDEX 67 68 69 70 71 72 73 74 74 3 75 1 75 3 76 1 76 3 77 1 77 3 78 1 78 3 79 1 79 3 80 1 80 3 81 1 81 3 82 1 82 3 83 1 83 3 84 1 84 3 85 1 85 3 86 1 86 3 67 1 87 3 88 1 88 3 .000 .037 .089 .111 .111 .111 .111 1.201 1.645 2.228 2.256 2.347 2.328 2.382 2.334 2.220 2.173 2.214 2.245 2.436 2.446 2.360 2.218 2.377 2.385 2.261 2.545 2.798 3.062 3.129 2.978 2.977 2.954 2.983 3.074 3.058 3.029 1.00 1.08 1.08 1.16 1.16 1.26 1.26 1.26 1.60 1.98 2.22 2.22 2.42 2.42 2.59 2.75 2.75 2.93 2.95 3.17 3.65 4.01 4.41 5.18 5.18 5.18 3.29 5.22 4.75 4.47 4.43 4.47 4.21 4.47 5.46 5.90 6.18 1.00 1.00 1.00 1.00 1.14 1.14 1.14 1.28 1.28 1.42 1.42 1.42 1.42 1.42 1.42 1.57 1.57 1.67 1.69 2.00 2.24 2.24 2.91 2.91 2.91 2.91 2.90 2.97 2.97 2.88 2.87 2.87 2.87 2.87 2.87 2.87 2.98 1.00 1.00 1.11 1.11 1.11 1.11 1.55 2.22 3.55 4.33 4.22 4.44 4.77 4.22 4.88 4.88 4.88 4.88 6.22 7.88 8.44 9.11 9.44 8.55 9.44 9.44 10.55 11.11 10.88 10.55 10.66 9.88 9.68 9.88 9.88 9.88 9.88 .000 .000 .013 .045 .113 .137 .174 .482 .619 1.964 1.932 2.133 2.249 2.313 2.317 2.531 2.604 2.711 2.647 3.065 3.100 3.402 3.416 3.677 3.725 3.642 3.665 3.588 3.653 3.595 3.623 3.517 3.564 3.571 3.603 2.391 2.386 1.000 1.031 1.061 1.146 1.292 1.324 1.350 1.501 1.656 1.663 1.657 1.907 1.950 2.083 2.085 2.170 2.237 2.397 2.518 2.761 3.097 3.322 3.445 3.645 3.612 3.612 3.795 3.938 3.938 3.938 3.938 3.938 3.938 3.612 3.612 3.612 3.612 1.00 1.03 1.08 1.10 1.12 1.13 1.18 1.34 1.83 2.37 2.39 2.50 2.55 2.54 2.58 2.54 2.51 2.57 2.75 3.09 3.20 3.26 3.23 3.32 3.42 3.33 3.55 3.88 4.03 4.02 3.93 3.84 3.81 3.83 3.95 3.84 3.83 CHLORINE ESTIMATED AT 70X OF 1967 PLANT CHEMICAL COST LIME 10X, OTHERS 5X EACH ------- PERCENTAGE DISTRIBUTION OF MAJOR COST COMPONENTS BY YEAR YEAR 67 68 69 70 71 72 73 74 74 75 75 76 76 77 77 78 76 79 79 80 80 81 81 82 82 83 83 84 84 85 85 86 86 87 87 88 88 Q T R 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 PERCENT LABOR 50.9 51.8 53.0 54.1 54.2 54.7 54.3 52.1 48.8 47.0 46.9 47.3 47.1 46.9 46.7 47.1 47.8 47.2 45.9 43.9 42.7 43.1 43.6 43.2 44.0 44.5 44.4 44.3 44.0 45.5 44.2 44.8 46.0 47.1 46.0 50.2 50.0 PERCENT POHER 19.5 18.9 18.2 17.8 18.1 16.4 18.6 20.0 21.2 22.0 21.8 21.7 22.1 22.8 23.3 23.7 22.9 23.1 23.3 23.9 25.3 24.8 25.5 26.7 26.4 26.7 26.7 26.7 27.4 26.6 27.6 28.0 28.3 26.8 27.2 22.7 23.3 PERCENT PERCENT MAINTEN- CHENICALS ANCE 8.5 8.4 6.4 8.0 7.7 7.3 7.2 7.6 9.1 10.9 10.6 10.7 10.5 10.1 9.9 9.3 8.9 6.6 8.9 9.2 9.1 8.7 8.2 8.2 8.1 8.0 8.3 9.0 9.1 8.9 8.7 .9 .9 .8 .7 .5 .2 .5 .3 .7 .4 .3 .2 .1 .1 .1 .1 .3 .4 .4 .3 .3 .2 .1 .6 .4 .5 .3 .3 .3 .1 .2 8.6 9.2 8.5 9.3 8.5 9.2 8.5 9.5 8.6 10.0 8.2 9.7 PERCENT OTHER 11.1 10.8 10.5 10.1 10.2 10.1 10.2 10.8 11.0 10.4 11.2 10.6 10.9 10.9 10.6 10.6 10.9 11.2 12.3 13.3 13.5 13.9 13.4 12.0 11.9 11.0 11.0 10.5 10.0 9.5 10.0 9.1 7.7 8.1 8.5 8.2 8.4 PERCENT ADDED INPUT .0 1.1 2.7 4.5 6.2 6.2 10.2 12.3 13.1 14.0 14.2 16.2 16.4 17.2 18.6 19.3 21.2 21.7 23.6 24.3 26.4 26.6 24.5 23.7 28.8 26.7 28.8 28.8 28.9 29.0 29.0 28.9 28.9 29.0 29.0 28.9 29.0 PERCENT TOTAL COST 100.0 101.1 102.7 104.5 106.2 108.2 110.2 112.3 113.1 114.0 114.2 116.2 116.4 117.2 118.8 119.3 121.2 121.7 123.6 124.3 126.4 126.6 124.5 123.7 128.6 128.7 128.8 128.8 128.9 129.0 129.0 128.9 128.9 129.0 129.0 128.9 129.0 ------- MAINTENANCE COST COMPONENTS—MUNICIPAL HASTE HATER TREATMENT PLANT O1M Q MAINTAIN VALVES TRANS- T FACTORY FITTINGS FORMER YR R INDEX INDEX INDEX PUMPS CENT. MAIN- COMPRESSORS BLONERS TENANCE INDEX INDEX COMPOSITE 67 68 69 70 71 72 71 7* 74 75 75 76 76 77 77 78 78 79 79 80 80 81 81 82 82 83 83 84 84 85 85 86 86 87 87 88 88 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1.000 .041 .114 .167 .237 .281 1.446 1.510 1.680 1.729 1.770 1.822 1.901 1.962 2.056 2.141 2.310 2.412 2.601 2.785 2.914 3.032 3.153 3.607 3.641 3.641 3.678 3.752 3.827 3.827 3.865 3.788 3.826 3.826 4.209 4.303 4.303 1.000 1.031 1.058 1.133 1.183 1.213 1.271 1.438 1.811 1.933 2.000 2.024 2.095 2.130 2.173 2.260 2.344 2.488 2.600 2.781 2.915 3.042 3.144 3.200 3.231 3.229 3.243 3.311 3.373 3.411 3.447 3.477 3.493 3.498 3.519 3.607 3.756 1.000 1.033 .978 .992 .954 .928 .961 1.030 1.233 1.326 1.368 1.380 1.385 1.424 1.496 1.519 1.567 1.633 1.639 1.750 1.894 2.024 2.142 2.202 2.225 2.242 2.246 2.260 2.285 2.344 2.323 2.341 2.339 2.365 2.402 2.368 2.435 1.000 1.046 1.098 1.147 1.216 1.240 .275 .355 .638 .844 .892 .959 .994 2.059 2.147 2.221 2.305 2.377 2.524 2.770 2.916 3.152 3.301 3.460 3.480 3.478 3.458 3.475 3.496 3.558 3.570 3.572 3.624 3.643 3.652 3.688 3.806 1.000 1.027 1.063 1.133 1.214 1.243 1.285 1.404 1.880 1.956 1.989 2.033 2.094 2.168 2.290 2.337 2.381 2.536 2.663 2.843 3.001 3.120 3.284 3.352 3.381 3.363 3.381 3.416 3.516 3.573 3.597 3.621 3.656 3.699 3.717 3.792 3.802 1.000 1.037 1.081 1.133 1.189 1.218 1.321 1.408 1.660 1.746 1.790 1.835 1.896 1.953 2.041 2.112 2.229 2.334 2.478 2.660 2.797 2.933 3.060 3.330 3.359 3.359 3.379 3.433 3.497 3.524 3.549 3.520 3.551 3.563 3.765 3.833 3.876 45 VARIABLE FACTORY MAINTENANCE COST INDEX MEIGHTED AT 60X OF TOTAL BLS REPLACEMENT COST INDEXES 10X EACH FOR 4 OTHER COMPONENTS ------- OTHER COST COMPONENT—MUNICIPAL NASTENATER TREATMENT PLANT O«M YR 67 68 69 70 71 72 73 74 7* 75 75 76 76 77 77 78 78 79 79 80 80 81 81 82 82 83 83 84 84 85 85 86 86 87 87 88 88 Q T R 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 INSURANCE INDEX 1.000 1.035 1.111 1.202 1.338 1.440 1.529 1.599 1.927 2.072 2.104 2.151 2.198 2.268 2.353 2.429 2.604 2.696 2.829 2.994 3.099 3.175 3.369 3.467 3.577 3.577 3.520 3.485 3.489 3.463 3.458 3.391 3.358 3.375 3.432 3.537 3.637 ADMIN- ISTRATION INDEX 1.000 1.032 1.040 1.069 1.148 1.190 1.208 1.229 1.303 1.384 1.493 1.550 1.590 1.668 1.697 1.769 1.857 1.957 1.943 1.992 2.132 2.241 2.381 2.027 2.073 2.073 2.073 2.073 2.073 2.073 2.073 2.073 2.073 2.073 2.073 2.073 2.073 FUEL INDEX 1.000 .959 .978 .961 1.013 1.040 1.220 1.775 2.158 2.094 2.541 2.413 2.658 2.674 2.828 2.759 3.011 3.290 4.598 6.049 6.481 7.376 7.258 6.802 6.867 5.842 6.206 5.687 5.504 5.166 5.752 4.728 3.107 3.688 4. .295 3.599 4.161 OVERALL OTHER INDEX 1.00 1.01 1.03 1.06 1.14 1.19 1.27 1.46 1.68 1.73 1.92 1.92 2.03 2.08 2.16 2.19 2.35 2.50 2.91 3.40 3.63 3.96 4.04 3.74 3.81 3.50 3.60 3.43 3.38 3.27 3.45 3.13 2.64 2.81 3.01 2.62 3.01 INSURANCE INDEX COMBINES RATE CHANGES AND PROPERTY VALUATION INCREASES ------- PRODUCER PRICE AND PERCENT CHANGES FOR ELECTRIC POAER, SEPTEMBER 1988 CODE NLMBER 054 0543 1101 1204 1307 1411 1514 1617 1721 1824 1927 OOMDDITY ELECTRIC POVER INDUSTRIAL POWER, 500 KW DEMAND NEW ENGLAND MID ATLANTIC EAST NORTH CENTRAL VvEST NORTH CENTRAL SOUTH ATLANTIC EAST SOUTH CENTRAL VEST SOUTH CENTRAL MOUNTAIN PACIFIC INDEX BASES 1967 1967 DEC/ 70 DEC/ 70 DEC/ 70 DEC/70 DEC/ 70 DEC/70 DEC/ 70 DEC/ 70 DEC/70 PRICE INDEX AUG. 1988 396.8 558.7 429.5 534.0 419.7 476.1 505.1 492.4 454.5 505.5 482.1 UNADJUSTED PERCENT CHANGE FROM AUG. 1987 1.5 2.1 -5.8 4.9 -2.5 4.2 -0.2 3.2 1.1 -1.6 11.6 ------- QUARTERLY INDEXES OF DIRECT COST FOR OPERATION, MAINTENANCE AND REPAIR (3RD. QTR. 1973 - 100) (A) RAW WASTEWATER PUMPING STATIONS (B) GRAVITY SEWERS 3RD QUARTER CY-1988 ESTIMATES AND INDEX VALUES: YEAR AGO: SEP. 1988: PERCENT CHANGE: PUMPING STATION INDEX (25 FT. TDK) 254.8 258.0 DIRECT PUMPING'COST/MILLION GAL (25 FT. TDK) $ 35.3 $ 35.7 1.1 DIRECT ANNUAL SEWER COST/MILE $1,683 $1,698 0.9 SEWER OMR INDEX 230.5 232.6 ------- RAW WASTEWATER PUMPING STATIONS DIRECT OPERATION, MAINTENANCE AND REPAIR COSTS AS OF SEPTEMBER, 1988 THE THIRD QUARTER OF CY-1988 OMR INDEX FOR RAW WASTEWATER PUMPING STATIONS AT 25 FT. DYNAMIC HEAD SHOWED AN INCREASE OF 2.2% FROM MARCH 1988 AND A INCREASE OF 1.2% FROM SEPTEMBER A YEAR AGO. GRAVITY SEWER DIRECT OPERATION, MAINTENANCE AND REPAIR COSTS AS OF SEPTEMBER. 1988 THE OMR INDEX FOR GRAVITY SEWERS FOR THE THIRD QUARTER 1988 SHOWED A 0.6% INCREASE OVER THE FIRST QUARTER 1988 AND AN INCREASE OF 0.9% OVER OVER SEPTEMBER A YEAR AGO. ------- OPERATION, MAINTENANCE • REPAIR C3ST INDEXES FOR 1 HGE AVERAGE FLOH RATE U.S. AVERAGE MUNICIPAL RAN HASTEHATER PUMPING STATION AT FOUR LEVELS OF TOTAL DYNAMIC HEAD I TON I HITH ESTIMATES OF ANNUAL COSTS IN CURRENT YEAR DOLLARS (3RD QTR 1973=1.000) Q * T a YEAR R 72 A 73 1 73 3 74 1 74 3 75 I 75 3 76 1 76 3 77 1 77 3 76 1 76 3 79 1 79 3 80 1 80 3 81 1 81 3 82 1 82 3 83 1 83 3 84 1 84 3 85 1 85 3 66 1 86 3 67 1 87 3 86 1 88 3 POHER 25 FT. TDH 782 821 846 974 1,170 1,314 ,350 ,394 ,477 ,570 ,681 ,767 ,769 .645 ,986 2,201 2.451 2,555 2,765 2,921 3,048 3,047 3,131 3,152 3,336 3,335 3,426 3,442 3,461 3,327 3,460 3,284 3,529 $ POHER a 50 FT. TDH 1,565 1,643 1,693 1,949 2,340 2,628 2,700 2,766 2,954 3,141 3,363 3,534 3,536 3,691 3,972 4,403 4,902 5,111 5,530 5,843 ,097 ,095 ,262 ,304 ,673 6,670 6,853 6,884 6,963 6,655 6,920 6,569 7,059 $ POKER a 100 FT. TDH 3,131 3,287 3,386 3,699 4,680 5,256 5,400 5,577 5,906 6,282 6,727 7,066 7,076 7,382 7,945 8,807 9,805 10,222 11,061 11,686 12,194 12,191 12,525 12,608 13,346 13,341 13,707 13,766 13,927 13,311 13,641 13,139 14,119 * POHER a 200 FT. TDH 6,262 6,575 6,773 7,799 9,361 10,513 10,601 11,155 11,817 12,565 13,455 14,137 14,152 14,764 15,691 17,615 19,611 20,445 22,123 23.372 24,368 24,363 25,050 25,217 26,693 26,663 27,415 27,537 27,855 26,622 27.663 26,276 28.239 (LABOR ALL TDH 3.184 3.272 3,408 3,488 3.680 3,840 3,992 4,168 4,320 4,432 4,608 4,808 5,056 5.184 5,366 5,528 5,672 ,080 ,496 ,608 .960 ,960 7.353 7,504 7,552 7,544 7,432 7,432 7,136 7,136 7,240 7,240 7,240 $ OTHER ALL TDH 774 790 799 927 1,076 1,136 1,161 1,179 1.202 1,250 1,302 1,346 1,392 1,461 1,577 1,754 1,863 1,946 1,999 2.058 2.071 2.079 2,093 3,228 2,144 2,181 2,186 2,218 2,206 2,161 2,178 2,220 2,271 $ TOTAL INDEX INDEX INDEX a 25 FT. azs FT. a so FT. a 100 FT. TDH TDH TDH TDH 4,740 .936 .936 .933 4.683 .966 .966 .967 5,053 5.389 5.926 6,290 6,503 6,741 6,999 7,252 7,591 7,921 8,217 8,490 8,931 9,483 9,966 . 000 . 000 . 000 .066 .078 .094 .172 .202 .242 .244 .268 .347 .286 .331 .389 .334 .378 .438 .385 .436 .505 .435 .495 .575 .502 .571 .664 .567 .642 .741 .626 .692 .781 .660 .751 .847 .767 .650 .961 .676 .980 2.116 .976 2 . 107 2 . 283 10,583 2.094 2.226 2.403 11,260 2.226 2.377 2.575 11,567 2.293 2.459 2.680 12,079 2.390 2.564 2.795 12,086 2.391 2.565 2.795 12,576 2.488 2.662 2.693 13,884 2.747 2.867 3.073 13,032 2.579 2.774 3.034 13.060 2.564 2.778 3.037 13,044 2.581 2.791 3.071 13,092 2.590 2.802 3.084 12,823 2.537 2.763 3.064 12,644 2.502 2.707 2.980 12,878 2.548 2.769 3.063 12,744 2.522 2.716 2.976 13,040 2.580 2.808 3.112 INDEX a 200 FT. TDH .930 .968 1.000 1.112 1.285 1.410 1.453 1.502 1.579 .661 .763 .647 .676 .949 2.079 2.267 2.472 2.593 2.788 2.917 3.043 3.043 3.141 3.274 3.314 3.315 3.372 3.386 3.387 3.273 3.378 3.254 3.438 «/MG 3 25 FT. TDH 12.96 13.37 13.64 14.76 16.23 17.23 17.61 18.46 19.17 19.66 20.79 21.70 22.51 23.26 24.46 25.98 27.35 28.99 30.84 31.74 33.09 33.11 34.45 38.03 35.70 35.78 35.73 35.86 35.13 34.64 35.28 34.91 35.72 US AVG. COST PER STATION 2,607 2,690 2,992 3,190 3,507 3,722 3,648 3,992 4,144 4.294 4,494 4,669 M A £ f 4,665 5 A A V ,027 5,267 5,614 5,913 6,266 6,667 6,661 7,152 7,155 7,445 8,220 7,717 7,732 7,723 7.750 7,592 7,467 7.624 7.547 7.720 DIRECT COSTS ESTIMATED FOR CONDITIONS AT END OF EACH QUARTER AVERAGE COSTS PER STATION ARE BASED ON A 1974 STUDY OF AVERAGE COSTS NATIONALLY ------- OPERATION, MAINTENANCE ft REPAIR COST INDEXES FOR 1 MGD AVERAGE FLOH RATE U.S. AVERAGE MUNICIPAL RAN HASTEMATER PUMPING STATION INDEXES FOR OMR SUB ACCOUNTS YEAR 72 73 73 74 74 75 75 76 76 77 77 78 78 79 79 80 80 81 81 82 82 83 83 84 84 85 85 86 86 87 87 88 88 Q T R A 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 POHER INDEX .924 .970 .000 .151 .382 .552 .594 .647 .744 .855 .986 2.087 2.089 2.179 2.346 2.600 2.895 3.016 3.266 3.450 3.600 3.600 3.698 3.723 3.941 3.939 4.047 4.065 4.112 3.930 4.087 3.879 4.169 LABOR INDEX .934 .960 1.000 1.023 1.079 1.126 1.171 1.223 1.267 1.300 1.352 1.410 1.483 1.521 1.575 1.622 1.664 1.784 1.906 1.938 2.042 2.042 2.157 2.201 2.215 2.213 2.180 2.180 2.093 2.093 2.124 2.124 2.124 OTHER INDEX .968 .988 1.000 1.160 1.346 1.421 1.453 1.475 1.504 1.564 1.629 1.684 1.742 1.828 1.973 2.195 2.331 2.438 2.501 2.575 2.591 2.602 2.619 4.040 2.683 2.729 2.735 2.775 2.760 2.729 2.725 2.778 2.642 EQUIPMENT SUB INDEX .962 .989 1.000 1.200 1.374 1.435 1.459 1.481 1.490 1.559 1.623 1.679 1.721 1.821 2.002 2.211 2.396 2.525 2.601 2.688 2.703 2.736 2.714 4.814 2.834 2.862 2.860 2.915 2.880 2.836 2.814 2.877 2.938 STRUCTURAL SUB INDEX .971 .981 1.000 1.186 1.401 1.467 1.523 1.551 1.616 1.626 1.738 1.794 1.887 1.990 2.093 2.345 2.476 2.485 2.514 2.514 2.560 2.467 2.514 4.158 2.457 2.654 2.672 2.672 2.626 2.560 2.588 2.616 2.663 PIPING SUB INDEX .948 .974 1.000 1.128 1.423 1.525 1.551 1.589 1.641 1.679 1.743 1.807 1.871 1.987 2.076 2.217 2.333 2.423 2.512 2.576 2.589 2.589 2.615 2.666 2.705 2.730 2.756 2.769 2.769 2.782 2.607 2.897 3.012 INSTRUMENT ELECTRICAL SUB INDEX .993 1.000 1.000 1.038 1.167 1.296 1.335 1.348 1.400 1.477 1.516 1.561 1.638 1.658 1.754 2.032 2.038 2.154 2.193 2.283 2.283 2.303 2.412 2.354 2.380 2.387 2.400 2.438 2.496 2.503 2.516 2.535 2.593 OTHER INCLUDES OMR FOR EQUIPMENT, PIPING, STRUCTURAL ft INSTRUMENTATION/ELECTRIC ------- OPERATION, MAINTENANCE AND REPAIR (OMR) COST INDEX FOR MUNICIPAL SENER LINES DIRECT COSTS EXCLUDING LIFT OR PUMPING STATIONS KITH ESTIMATES OF U.S. AVERAGE ANNUAL COST PER MILE 13RD QTR 1973=1.000) Q * LABOR « TESTING * CLEANING $ MAINTAIN * TOTAL OMR $ PER SENER MAINTAIN t/MILE T PER PER PER MAINS PER COST PER FOOT OMR LABOR CLEANING TESTING MAINS COST Mm YEAR R MILE MILE NILE MILE MILE OMR COST INDEX SUB INDEX SUB INDEX SUB INDEX SUB INDEX LIFT STA. 72 73 75 80 90 99 106 110 72 73 73 74 74 75 75 76 76 77 77 78 78 79 79 80 80 81 81 82 82 83 83 84 84 85 85 86 86 87 87 88 88 A 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 535 549 572 586 618 645 670 700 725 744 774 807 849 871 901 928 953 1,021 1,091 1,110 1,169 1,169 1,235 1,260 1,268 1,267 1,248 1,196 1,199 1,199 1,216 1,216 1,216 15 15 15 16 21 23 23 24 24 24 25 25 25 27 30 33 35 38 39 39 38 38 39 39 39 39 39 39 37 38 39 40 43 121 129 133 151 156 166 180 188 203 209 215 216 216 218 225 224 225 226 228 228 228 232 234 66 67 68 79 93 100 101 102 106 108 113 118 124 131 142 158 165 175 182 185 184 182 188 184 187 188 194 190 184 199 200 200 205 688 704 730 761 822 867 900 936 969 997 1,041 1,083 1,140 1,180 1,229 1,287 1,333 1,422 1,515 1,543 1,606 1,605 1,678 1,701 1,719 1,718 1,706 1,651 1,648 1,664 1,683 1,688 1,698 .130 .133 .138 .144 .155 .164 .170 .177 .183 .188 .197 .205 .215 .223 .232 .243 .252 .269 .286 .292 .304 .303 .317 .322 .325 .325 .323 .312 .312 .315 .318 .319 .321 .942 .964 1.000 1.042 1.126 1.187 1.232 1.282 1.327 1.365 1.426 1.483 1.561 1.616 1.683 1.763 1.826 1.947 2.075 2.113 2.200 2.198 2.298 2.330 2.354 2.353 2.336 2.261 2.257 2.279 2.305 2.312 2.326 .934 .960 1.000 1.023 1.079 1.126 1.171 1.223 1.267 1.300 1.352 1.410 1.483 1.521 1.575 1.622 1.664 1.784 1.906 1.938 2.042 2.042 2.157 2.201 2.215 2.213 2.180 2.089 2.093 2.093 2.124 2.124 2.124 .955 .981 1.000 1.066 1.201 1.320 1.412 1.469 1.524 1.614 1.718 1.765 1.896 2.012 2.081 2.232 2.394 2.499 2.697 2.780 2.853 2.868 2.866 2.903 2.991 2.976 2.988 3.000 3.030 3.032 3.032 3.089 . 3.111 .979 .984 1.000 1.097 1.377 1.551 1.545 1.593 1.620 1.630 1.650 1.673 1.693 1.778 2.005 2.209 2.330 2.484 2.596 2.578 2.517 2.488 2.548 2.569 2.551 2.564 2.577 2.582 2.477 2.522 2.584 2.653 2.855 .966 .984 1.000 1.169 1.371 1.467 1.480 1.504 1.555 1.589 1.661 1.729 1.824 1.927 2.088 2.324 2.420 2.573 2.672 2.708 2.697 2.676 2.764 2.698 2.745 2.753 2.842 2.795 2.707 2.916 2.941 2.939 3.001 SUB CATEGORY COSTS FOR CLEANING, MAINTENANCE OF MAINS AND TESTING INCLUDE: RENTAL EQUIPMENT, FUELS, CHEMICALS, PIPE AND OTHER MATERIALS EXCLUSIVE OF LABOR ------- RENTAL EQUIPMENT COST INDEX FOR MAINTENANCE OF MAINS BASED ON BLS PRODUCER PRICE INDEXES 13RD QUARTER 1973 = 100.01 YEAR 72 73 73 74 74 75 75 76 76 77 77 76 76 79 79 80 60 81 61 82 82 83 63 64 64 85 85 86 86 87 87 88 88 Q T R A 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 BACKHOE COST INDEX .988 .989 1.000 1.037 1.161 1.267 1.307 1.309 1.363 1.398 1.461 1.520 1.564 1.695 1.791 1.915 2.001 2.002 2.244 2.311 2.383 2.386 2.462 2.439 2.546 2.527 2.522 2.502 3.077 3.123 3.167 3.135 3.219 TRENCHER COST INDEX .946 .975 1.000 1.059 1.120 1.150 1.199 1.253 1.477 1.492 1.775 1.633 1.883 1.946 2.015 2.204 2.323 2.506 2.632 2.816 2.677 3.091 3.176 3.176 3.168 3.188 3.271 3.271 3.136 3.119 3.135 3.195 3.145 AIR COMPRESSOR INDEX .982 .989 1.000 1.025 1.155 1.259 1.259 1.240 1.282 1.346 1.410 1.418 1.438 1.542 1.658 1.752 1.770 1.727 1.650 1.768 1.798 1.821 1.821 1.832 1.816 1.858 1.857 1.844 1.869 1.835 1.764 1.928 1.923 DEHATERING PUMP INDEX .949 .994 1.000 1.056 1.167 1.513 .537 .666 .689 .756 .758 .777 .992 2.060 2.110 2.304 2.304 2.552 2.552 2.808 2.808 2.817 2.863 2.828 2.841 2.864 2.664 2.864 2.875 2.903 2.938 2.990 3.113 HELD ING EQUIPMENT INDEX .956 .968 1.000 1.042 1.393 1.563 1.510 1.465 1.479 1.524 1.580 1.609 1.660 1.722 1.796 1.662 1.938 2.023 2.107 2.103 2.164 2.174 2.164 2.195 2.244 2.270 2.313 2.369 2.395 2.407 2.414 2.469 2.561 GASOLINE FUEL INDEX .836 .920 1.000 1.427 1.736 1.684 2.044 1.941 2.138 2.151 2.275 2.219 2.422 2.646 3.699 4.666 5.213 5.934 5.839 5.472 5.524 4.699 4.992 4.575 4.427 4.156 4.627 3.803 2.499 2.967 3.455 ' 2.895 3.347 OVERALL RENTAL EQUIP. INDEX .942 .972 1.000 1.109 1.292 1.411 1.479 1.489 1.580 1.620 1.722 1.743 1.843 1.954 2.192 2.504 2.611 2.818 2.872 2.917 2.964 2.873 2.958 2.864 2.689 2.855 2.954 2.822 2.686 2.773 2.667 2.616 2.937 OVERALL RENTAL INDEX IS AN AVERAGE OF THE 6 PPI INDEXES INDEX OF RENTAL EQUIPMENT COST t USE DOES NOT INCLUDE OMR LABOR ------- MATERIAL COST SUB INDEX FOR MAINTENANCE OF MAINS BLS NHOLESALE PRICE INDEXES AT 3RD QTR 1973=100.0 Q CLAY T PIPE YEAR R INDEX CONCRETE PLASTIC CONCRETE ASPHALT VALVES & OVERALL PIPE PIPE INGREDIENTS PAVING FITTINGS MATERIAL INDEX INDEX INDEX INDEX INDEX INDEX 72 73 73 74 74 75 75 76 76 77 77 78 78 79 79 80 80 81 61 62 82 83 83 84 84 65 85 86 86 87 87 88 88 A 1 3 1 3 1 3 1 3 1 3 1 3 .971 .975 .000 .049 .108 .209 .224 .256 .292 .SOS .406 .479 .528 1 1.605 3 1.652 1 1.655 3 1.712 1 1.796 3 1.924 1 2.022 3 1.956 1 1.956 3 2.100 1 2.071 3 2.071 1 2.071 3 2.071 1 2.102 3 2.135 1 2.199 3 2.206 1 2.213 3 2.316 .976 .992 .000 .135 .227 .425 .425 .409 .431 .462 .462 1.601 1.798 1.870 1.977 2.083 2.219 2.199 2.234 2.273 2.279 2.266 2.320 2.316 2.363 2.375 2.422 2.414 2.363 2.553 2.466 2.441 2.441 1 1 1 1 1 1 1 1 1 1 1 1 .007 .996 .000 .153 .590 .504 .168 .233 .247 .262 .365 .357 .374 1.409 1 1 1 1 1 1 1 1 3 2 2 2 .544 .503 .580 .552 .569 .501 .490 .473 .702 .041 .041 .040 .363 .373 .363 .039 .935 .906 .906 .963 .986 1.000 1.066 1.172 1.266 1.326 1.360 1.435 1.478 1.520 1.602 1.671 1.811 1.664 2.019 2.085 2.216 2.265 2.350 2.362 2.346 2.421 2.473 2.496 2.549 2.570 2.569 2.571 2.593 2.603 2.636 2.645 1 1 1 1 1 2 2 .989 .002 .000 .604 .913 .979 .074 .108 2.123 2 2 2 2 2 3 3 3 4 4 4 4 4 4 4 5 5 5 5 4 4 4 4 4 .181 .265 .408 .564 .708 .044 .837 .936 .408 .765 .761 .585 .662 .735 .822 .071 .119 .252 .137 .736 .641 .753 .794 .789 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 .950 .972 .000 .126 .419 .514 .567 .586 .641 .669 .702 .771 .836 .949 .037 .179 .284 .384 .463 .507 .532 .530 .541 .594 .643 .673 .701 .724 .737 .741 .757 .826 .943 .974 .987 1.000 1.191 1.402 1.468 1.478 1.508 1.543 1.574 1.633 1.719 1.613 1.913 2.041 2.246 2.336 2.466 2.584 2.616 2.581 2.589 2.679 2.615 2.680 2.705 2.790 2.779 2.710 2.969 2.966 2.984 3.023 MATERIAL INDEX IS ARITHIMETIC AVERAGE OF THE SIX BLS INDEXES ------- |