Studies of IDRC Supported Research on Greywater in ... - inwrdam

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40 The NPV <strong>of</strong> the net benefits were the result <strong>of</strong> subtracting the net present costs from the net present revenues (cash outflows from the cash inflows). Table 3.5 shows the Net Present Values <strong>of</strong> the total costs <strong>of</strong> fixing and operating the treatment system for each <strong>of</strong> the surveyed families, which entailed the capital cost and the O&M costs during the life span <strong>of</strong> the project (cash outflows). The average NPV <strong>of</strong> the costs for all the surveyed families are 468.93 US$ for the life span <strong>of</strong> 5 years and discount rate 5%, 478.82 US$ for the life span <strong>of</strong> 5 years and discount rate 3%, 600.29 US$ for the life span <strong>of</strong> 10 years and discount rate 5% and finally 631.36 US$ for the life span <strong>of</strong> 10 years and discount rate 3%. NPV - Costs (5 years - 5% rate) NPV - Costs (5 years - 3% rate) NPV - Costs (10 years - 5% rate) 332 339 425 447 NPV - Costs (10 years - 3% rate) It is clear that the differences in the NPVs for the same life span but different discount rates are trivial. Table 3.5: Net Present Values <strong>of</strong> costs (capital, operation and maintenance) per family. All values are in US$ Family number NPV - Costs (5 years - 5% rate) NPV - Costs (5 years - 3% rate) NPV - Costs (10 years - 5% rate) 1 436 449 609 650 2 263 267 324 339 3 834 872 1343 1465 4 267 270 308 317 5 302 307 369 386 6 362 371 478 505 7 336 343 431 454 8 267 270 308 317 9 267 270 308 317 10 319 325 400 420 11 509 526 740 795 12 501 517 725 778 13 241 242 261 266 14 319 325 400 420 NPV - Costs (10 years – 3% rate)
41 Family number NPV - Costs (5 years - 5% rate) NPV - Costs (5 years - 3% rate) NPV - Costs (10 years - 5% rate) 15 267 270 308 317 16 475 490 678 727 17 215 215 215 215 18 241 242 261 266 19 319 325 400 420 20 215 215 215 215 21 250 252 277 283 22 215 215 215 215 23 237 238 254 258 24 237 238 254 258 25 215 215 215 215 26 211 212 231 236 27 241 242 261 266 28 241 242 261 266 29 263 265 300 309 30 215 215 215 215 31 284 288 339 351 32 267 270 308 317 33 271 275 315 326 34 332 339 423 445 35 231 231 243 246 36 323 329 408 428 37 215 215 215 215 38 271 275 315 326 39 302 307 369 386 40 276 279 323 334 41 241 242 261 266 42 315 320 393 411 43 332 339 423 445 44 328 334 416 437 NPV - Costs (10 years – 3% rate)
Page 3: Compilation of Gre
Page 6 and 7: 3.8 Financial Evaluation 39 3.9 Res
Page 8 and 9: 6 the house is collected at a point
Page 10 and 11: 8 Many organizations in Jordan, Pal
Page 12 and 13: 10 2. Report on Policy Options to I
Page 14 and 15: 12 The Water Strategy (1997) acknow
Page 16 and 17: 14 On the one hand, there are the g
Page 18 and 19: 16 • The Ministry of</str
Page 20 and 21: 18 2.3 Recent Experience in Greywat
Page 22 and 23: 20 2.3.5 Greywater Treatment and Us
Page 24 and 25: 22 the project which was implemente
Page 26 and 27: 24 2.6 Conclusions Treated wastewat
Page 28 and 29: 26 to conserve water and reduce was
Page 30 and 31: 28 3.3 Economic and Financial Analy
Page 32 and 33: 30 Family number No. of</st
Page 34 and 35: 32 Around 30% of t
Page 36 and 37: 34 Family number Capital cost Opera
Page 38 and 39: 36 Family number Increase in olive
Page 40 and 41: 38 3.5.3 Environmental Benefits The
Page 44 and 45: 42 Family number NPV - Costs (5 yea
Page 46 and 47: 44 Family number NPV - Revenues (5
Page 48 and 49: 46 Family number Net benefits (5 yr
Page 50 and 51: 48 Table 3.8 shows the results <str
Page 52 and 53: 50 Family number B/C ratio (5 yrs,
Page 54 and 55: 52 4. Assessment of</strong
Page 56 and 57: 54 B. The economic and social condi
Page 58 and 59: 56 Table 4.3: Comparison between th
Page 60 and 61: 58 5.3 Definitions The following de
Page 62 and 63: 60 Characteristics Cadmium Calcium
Page 64 and 65: 62 organisms that are found in blac
Page 66 and 67: 64 Table 5.2: Guideline limits for
Page 68 and 69: 66 Parameters Abbreviation Unit All
Page 70 and 71: 68 • Time interview finished: rec
Page 72 and 73: 70 6.5 Economic Components 1. Estim
Page 74 and 75: 72 6.8 Side Effects of</str
Page 76 and 77: 74 7. If your answer to above quest
Page 78 and 79: 76 2. It is useful to see greywater
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