Flood Study BSM Job2013 08 Date 15 Sep 2014 Revised

Table 12 : Impervious Fractions Assigned To Urbs Model Subareas
   Pre-Development Scenario         Post-Development Scenario
    Subarea      Impervious          Subarea      Impervious
   (Figure 1)      Fraction         (Figure 2)       Fraction
       1            0.10                1             0.10
       2            0.15                2             0.15
       3            0.15                3             0.15
       4            0.35                4             0.35
       5            0.15                5             0.15
       6            0.50                6             0.50
       7            0.20                7             0.30
       8            0.06                8             0.60
       9            0.10                9             0.00
       10           0.30               10             0.60
       11           0.30               11             0.50
       12           0.58               12             0.50
       13           0.65               13             0.50
       14           0.28               14             0.50
       15           0.45               15             0.50
       16           0.45               16             0.50
       17           0.00               17             0.50
       18           0.04               18             0.50
       19           0.08               19             0.60
       20           0.31               20             0.00
       21           0.35              21/22           0.30
       22           0.25               23             0.37
       23           0.45               24             0.58
                                       25             0.65
                                       26             0.28
                                       27             0.45
                                       28             0.45
                                      29/39           0.15
                                      30/40           0.15
                                      31/41           0.50
                                      32/42           0.50
                                      33/43           0.55
                                       34             0.55
                                       35             0.55
                                       36             0.45
                                       37             0.08
                                       38             0.60
                                       44             0.39
                                       45             0.35
                                       46             0.25
                                       47             0.45




  Brisbane Stormwater Management Pty Ltd Document File: ValkevSDF.Doc   Page 13


[OCR of page images]
Table 12: Impervious Fractions Assigned To Urbs Model Subareas

 

Pre-Development Scenario

Post-Development Scenario

 

 

 

 

 

 

Subarea Impervious Subarea Impervious
(Figure 1) Fraction (Figure 2) Fraction

1 0.10 1 0.10
2 0.15 2 0.15
3 0.15 3 0.15
4 0.35 4 0.35
5 0.15 5 0.15
6 0.50 6 0.50
7 0.20 7 0.30
8 0.06 8 0.60
9 0.10 9 0.00
10 0.30 10 0.60
11 0.30 11 0.50
12 0.58 12 0.50
13 0.65 13 0.50
14 0.28 14 0.50
15 0.45 15 0.50
16 0.45 16 0.50
17 0.00 17 0.50
18 0.04 18 0.50
19 0.08 19 0.60
20 0.31 20 0.00
21 0.35 21/22 0.30
22 0.25 23 0.37
23 0.45 24 0.58
25 0.65

26 0.28

27 0.45

28 0.45

29/39 0.15

30/40 0.15

31/41 0.50

32/42 0.50

33/43 0.55

34 0.55

35 0.55

36 0.45

37 0.08

38 0.60

44 0.39

45 0.35

46 0.25

47 0.45

 

 

 

Brisbane Stormwater Management Pty Ltd Document File: WalkevSDF.Doc

Page 13