Summary
Sub-catchments 1
Sub-catchments 2-a, 2-b
Sub-catchments 3-a, 3-b
Sub-catchments 4-a, 4-b, 4-c Sub-catchments 5-a, 5-b Sub-catchments 6-a, 6-b
Peak flow rate, qp (m3/s)
0.046480072
0.2716484
0.130872696
0.172160367
0.043203957
0.149702137
Runoff depth, Q24 (mm)
130.2046694
120.6409636
112.5974329
115.5739547
112.5974329
112.5974329
Runoff volume, V24 (m3)
260.9822393
1464.919093
693.070979
914.2824407
228.7979837
792.7872656
Summary (Cumulative)
Sub-catchments 1, 2, 5, 6
Sub-catchments 3, 4, 7, 8, 9, 10 Sub-catchments 11, 12, 13 Sub-catchments 14, 15
Sub-catchments 16, 17
Sub-catchments 18,19
Peak flow rate, qp (m3/s)
0.046480072
0.318128472
0.449001168
0.621161535
0.664365492
0.81406763
Runoff depth, Q24 (mm)
130.2046694
250.845633
363.4430659
479.0170206
591.6144536
704.2118865
Runoff volume, V24 (m3)
260.9822393
1725.901332
2418.972311
3333.254752
3562.052736
4354.840001
Manning Equation Pipe Capacity
n
0.011
0.011
0.011
0.011
0.011
0.011
1/n
90.91
90.91
90.91
90.91
90.91
90.91
Pipe Diameter, d (m)
0.225
0.394
0.394
0.437
0.437
0.437
R
0.05625
0.0985
0.0985
0.10925
0.10925
0.10925
R^(2/3)
0.147
0.213
0.213
0.229
0.229
0.229
Length
34.620
126.070
73.690
73.860
21.560
84.780
Upstream IL
36.750
34.620
27.950
24.450
20.100
18.950
Downstream IL
34.620
27.950
24.450
20.100
18.950
12.100
Slope S
6%
5%
5%
6%
5%
8%
S^(1/2)
0.248042597
0.230015467
0.217936386
0.242683347
0.230953497
0.284248761
V = 1/n*R^2/3*S^1/2 (m/s)
3.310
4.460
4.226
5.042
4.798
5.905
A (m2)
0.0398
0.1219
0.1219
0.1500
0.1500
0.1500
Q (l/s)
131.625
543.756
515.201
756.219
719.668
885.740
Total upstream catchment contribution (l
4 /s)
6.48007169
318.1284719
449.0011679
621.1615351
664.3654923
814.0676295
Is pipe capacity OK?
OK
OK
OK
OK
OK
OK

---