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

IV New Conception and Decision Support Model for IUWS
Tables
Table 1: Rainwater quality in different streams (with secondary treated sewage for
comparison) ....................................................................................................................14
Table 2: Categorisation of desired water quality....................................................................15
Table 3: Quality comparison of greywater and urban sewage...............................................16
Table 4: Classification of the inflow of water treatment facilities............................................19
Table 5: Classification of water treatment steps ....................................................................20
Table 6: Summation of common disinfection methods ..........................................................21
Table 7: Classification of solids/sludge treatment steps ........................................................22
Table 8: Possible source water qualities and their applicability.............................................32
Table 9: System options of desired water system .................................................................34
Table 10: System options of used water – WATER...............................................................37
Table 11: System options of used water – MATTER.............................................................37
Table 12: System options of rainwater water – Surface runoff management ........................40
Table 13: System options of rainwater water – Roof-water utilisation ...................................40
Table 14: System types of water entities in IUWS.................................................................41
Table 15: General matrix for calculating cost and energy consumption of water entity.........42
Table 16: Matrix for calculating cost and energy consumption of CA....................................43
Table 17: Matrix for calculating cost and energy consumption of UD....................................44
Table 18: Matrix for calculating cost and energy consumption of WUU ................................45
Table 19: Priority of water sources based on the type of water entity ...................................57
Table 20: Rules for determining the type of distribution systems ..........................................59
Table 21: Water supply options for CA – with SINGLE system .............................................60
Table 22: Water supply options for UD – with SINGLE system.............................................61
Table 23: Water supply options for UD – with DUAL system ................................................61
Table 24: Water supply options for WUU – with SINGLE system .........................................63
Table 25: Water supply options for WUU – with DUAL system .............................................63
Table 26: Possible collection systems and their general priorities ........................................66
Table 27: General rules for determining collection system....................................................67
Table 28: System options and general priorities of used water .............................................68
Table 29: System options and general priorities of surface runoff management...................70
Table 30: Evaluation of pipe assets based on statistical data (as pattern)............................71
Table 31: Table of cost functions (or coefficients) for different treatment steps (as pattern).75