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Appendix E - Stormwater Management Plan
Attached to the e-mail Multiple Housing – Type 3 Retirement & Special Needs (10 units) - MCU17/0551.
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Log in to see the plans as drawnManning's Section E - Developed Flood Conditions
Filename: \\bnenas01\projects\B14\150-199\B14158.W\01 Final Layout Op Works\SW_Quantity\[B14158.W_Mannings_Calcs.xlsx]Des XSEC E
Date: 9/09/2016
By: CM
Manning's calculation as per Equation 4.2.3 of Australian Rainfall and Runoff (1987)
CROSS SECTION DETAILS Developed 1% AEP
POINT CH Z n wA wP n x wA
1 13.21 98.664 0.060
2 13.324 98.636 0.060 0.03 0.12 0.00
3 13.469 98.599 0.060 0.04 0.15 0.00
4 14.1 98.441 0.060 0.22 0.65 0.01
5 14.115 98.438 0.060 0.01 0.02 0.00
6 14.215 98.413 0.060 0.04 0.10 0.00
7 14.615 98.312 0.060 0.21 0.41 0.01
8 14.871 98.248 0.060 0.15 0.26 0.01
9 15.242 98.155 0.060 0.25 0.38 0.01
10 16.16 98.15 0.060 0.66 0.92 0.04
11 16.169 98.15 0.060 0.01 0.01 0.00
12 16.743 98.147 0.060 0.42 0.57 0.03
13 17.589 98.15 0.060 0.61 0.85 0.04
14 18.244 98.153 0.060 0.47 0.66 0.03
15 18.549 98.229 0.060 0.21 0.31 0.01
16 18.896 98.316 0.060 0.21 0.36 0.01
17 19.663 98.507 0.060 0.36 0.79 0.02
18 20.01 98.593 0.060 0.11 0.36 0.01
19 21.015 98.844 0.060 0.16 1.04 0.01
20 22.643 99.081 0.060 0.00 0.22 0.00
21 25.118 99.446 0.060
22 26.084 99.536 0.060
23 26.410 99.566 0.060
24 26.555 99.580 0.060
25 27.251 99.644 0.060
26 27.631 99.680 0.060
27 27.637 99.680 0.060
28 28.042 99.726 0.060
29 28.213 100.200 0.060
30 28.524 100.200 0.060
31 28.573 100.200 0.060
32 30.377 100.200 0.060
wA wP n x wA
TOTAL 4.167516 8.167883 0.250051
S
0.006 R n Q
0.510232 0.060 3.44
Out B Flow 3.44
WSL 98.875
Calculated by Manning's Equation 3.44
Vel (m/s) 0.82
Manning's Section E - Developed Flood Conditions
100.5
100
99.5
99
Height (m AHD)
98.5
98
97.5
97
96.5
96
0 5 10 15 20 25 30 35
Chainage (m)
Design Surface Existing Surface Developed 1% AEP
[OCR of page images]
Manning's Section E - Developed Flood Conditions
Filename: \\bnenas01\projects\B14\150-199\B14158.W\01 Final Layout Op Works\SW_Quantity\[B14158.W_Mannings_Calcs.xlsx]Des XSEC E
Date: 9/09/2016
By: CM
Manning's calculation as per Equation 4.2.3 of Australian Rainfall and Runoff (1987)
[CROSS SECTION DETAILS Developed 1% AEP
POINT. CH Z n wA wP nx wA
1 13.21 98.664/ 0.060
2 13.324 98.636 0.060 f 0.03 " 0.12 0.00
3 13.469 98.599 0.060 f 0.04 " 0.15 0.00
4 141 98.441 0.060 f 0.22 " 0.65 0.01
5 14.115 98.438 0.060 f 0.01 " 0.02 0.00
6 14.215 98.413 0.060 f 0.04 " 0.10 0.00
7 14.615 98.312 0.060 f 0.21 " 0.41 0.01
8 14.871 98.248 0.060 f 015 " 0.26 0.01
9 15.242 98.155 0.060 f 0.25 " 0.38 0.01
10 16.16 98.15 0.060 f 0.66 " 0.92 0.04
1 16.169 98.15, 0.060 f 0.01 ” 0.01 0.00
12 16.743 98.147 0.060 f 0.42 " 0.57 0.03
13 17.589 98.15 0.060 f 061 " 0.85 0.04
14 18.244 98.153 0.060 f 0.47 " 0.66 0.03
15 18.549 98.229 0.060 f 0.21 ° 0.31 0.01
16 18.896 98.316 0.060 f 021 ” 0.36 0.01
17 19.663 98.507 0.060 f 036 " 0.79 0.02
18 20.01 98.593 0.060 f 0.11 ” 0.36 0.01
19 21.015 98.844, 0.060 f 016 " 1.04 0.01
20 22.643 99.081 0.060 f 0.00 ” 0.22 0.00
2t 25.118 99.446 0.060 [ r
22 26.084 99.536 0.060 fT r
23 26.410 99.566 0.060 [ r
24 26.555 99.580 0.060 [ r
25 27.251 99.644 0.060 fT .
26 27.631 99.680 0.060 [ r
27 27.637 99.680 0.060 [fT r
28 28.042 99.726 0.060 [ ,
29 28.213 100.200 0.060 fT r
30 28.524 100.200 0.060 [ r
31 28.573 100.200 0.060 [ r
32 30.377 100.200 0.060 [ ,
wA wP nx wA
TOTAL | 4.167516 8.167883 0.250051
Ss
0.006 R n Q
0.510232 __0.060 3.44
Out B Flow 3.44
WSL 98.875
Calculated by Manning's Equation 3.44
Vel (m/s) 0.82
Manning's Section E - Developed Flood Conditions
100.5
100
99.5
99
2
= 98.5
—
ar)
3
x=
97.5
97
96.5
96
0 5 10 15 20 25 30 35
Chainage (m)
Design Surface ——=Existing Surface === Developed 1% AEP
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