Stormwater Treatment & Water Quality Management Plan_April2014

Table 18: Predicted 100 Year Flood Levels (m) And Affluxes (m)
(Pre-Development Levels Are Based On Existing Floodplain Condition)
(Post-Development Levels Are Based On Proposed Floodplain Condition)
(Yellow shading indicates areas within site)

100 YEAR
NODE PRE-DEV POST-DEV AFFLUX

EASTERN

TRIBUTARY
1 103.110 103.110 0.00
2 103.080 103.079 0.00
3 101.805 101.745 -0.06
4 101.731 101.529 -0.20
5 101.561 101.042 -0.52
6 101.025 101.034 0.01
7 100.910 100.986 0.08
8 100.720 100.856 0.14

9 100.667 100.825 0.16
10 100.702 100.838 0.14
11 100.642 100.767 0.13
12 100.594 100.629 0.04
13 100.216 100.293 0.08
14 100.116 100.192 0.08
15 100.051 100.038 -0.01
16 99.791 99.786 0.00
17 99.606 99.600  -0.01
18 99.357 99.354 0.00
19 99.186 99.181 -0.01
20 98.451 98.444 = -0.01
21 98.363 98.357 = -0.01
22 98.308 98.298  -0.01
WESTERN
TRIBUTARY
23 101.173 101.226 | 0.05
24 100.932 100.984 0.05
25 100.544 100.716 0.17
26 100.454 100.574 0.12
27 100.325 100.476 0.15
28 100.186 100.297 0.11
29 100.047 100.147 0.10
30 99.817 99.813 0.00
31 99.766 99.758  -0.01
32 99.620 99.615  -0.01
33 99.307 99.304 0.00
34 99.189 99.184 0.00
35 98.451 98.444 = -0.01
36 98.363 98.356  -0.01
37 98.350 98.343 -0.01
38 98.110 98.103  -0.01
39 97.509 97.513 0.00

 

Brisbane Stormwater Management Pty Ltd Document File: ValkevSDF.Doc Page 16