Page 111 - Eden Meadow 35 houses application as of 12 October

Infrastructure Design Limited Page 2
33 The Point Rockingham Road Eden Meadow
Market Harborough Newington
Leicestershire LE16 7QU Infiltration Basin FOS 3
Date 01/09/2020 11:53 Designed by IDL
File INFILTRATION BASIN.SRCX Checked by PT
Micro Drainage Source Control 2017.1.2

Summary of Results for 10 year Return Period (+40%)

Storm Max Max Max Max Status
Event Level Depth Infiltration Volume
(m) (m) (l/s) (m³)
30 min Winter 33.112 0.962 1.0 26.8 O K
60 min Winter 33.186 1.036 1.1 31.0 O K
120 min Winter 33.250 1.100 1.2 34.9 O K
180 min Winter 33.276 1.126 1.2 36.6 O K
240 min Winter 33.287 1.137 1.3 37.3 O K
360 min Winter 33.295 1.145 1.3 37.8 O K
480 min Winter 33.296 1.146 1.3 38.0 O K
600 min Winter 33.292 1.142 1.3 37.7 O K
720 min Winter 33.284 1.134 1.3 37.2 O K
960 min Winter 33.275 1.125 1.2 36.6 O K
1440 min Winter 33.243 1.093 1.2 34.5 O K
2160 min Winter 33.187 1.037 1.1 31.0 O K
2880 min Winter 33.137 0.987 1.0 28.1 O K
4320 min Winter 33.033 0.883 0.8 22.8 O K
5760 min Winter 32.946 0.796 0.7 19.1 O K
7200 min Winter 32.855 0.705 0.6 15.8 O K
8640 min Winter 32.780 0.630 0.5 13.3 O K
10080 min Winter 32.716 0.566 0.5 11.4 O K

Storm Rain Flooded Time-Peak
Event (mm/hr) Volume (mins)
(m³)

30 min Winter 60.792 0.0 33
60 min Winter 36.373 0.0 62
120 min Winter 21.763 0.0 118
180 min Winter 16.115 0.0 174
240 min Winter 13.021 0.0 228
360 min Winter 9.642 0.0 284
480 min Winter 7.791 0.0 360
600 min Winter 6.604 0.0 438
720 min Winter 5.769 0.0 512
960 min Winter 4.748 0.0 662
1440 min Winter 3.608 0.0 940
2160 min Winter 2.742 0.0 1344
2880 min Winter 2.257 0.0 1732
4320 min Winter 1.634 0.0 2508
5760 min Winter 1.299 0.0 3336
7200 min Winter 1.087 0.0 4040
8640 min Winter 0.940 0.0 4760
10080 min Winter 0.832 0.0 5544

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