Chapter 3 Decision Support Model (IUWS-DSM) - Tubdok

Table 34: Option comparison – crossing levels
calculation of:
1. cost
2. energy
abstraction &
transmission
raw water
treatment
in CA in UD in WUU
distribution
(networks)
collection
(sewer + drain)
used water
treatment
abstraction &
transmission
raw water
treatment
no. comparison i. ii. iii. iv. v. i. ii. iii. iv. v. vi. i. ii. iii. iv. v. vii.
1 sources
1.1 source –CA
vs. sources –UD
2 reuse
distribution
(networks)
√ √ √ √ √ √
collection
(sewer + drain)
2.1 indrct. –CA vs. –UD √ √ √ √ √
2.2 drct. –UD vs. –WUU √ √ √ √ √ √
3 Qual. A or B/C
3.1 CA vs. UD √ √
3.2 CA vs. WUU √ √
3.3 UD vs. WUU √ √
4 single or dual sys.
3.1 CA vs. UD √ √ √
3.2 CA vs. WUU √ √ √
3.3 UD vs. WUU √ √ √ √
Abbreviations: utilis. – utilisation; drct. – direct; indrct. – indirect ; Qual. – Quality ; sys. – system; vs. – versus
Legend: √ – applied
used water
treatment
rainwater utilis.
(surface runoff)
advanced
water treatment
distribution
(networks)
collection
(sewer + drain)
used water
treatment
rainwater utilis.
(surface runoff)
85
rainwater
(roof-water)