Page 130 - Eden Meadow 35 houses application as of 12 October

Infrastructure Design Limited Page 1
33 The Point Rockingham Road Eden Meadow
Market Harborough Newington
Leicestershire LE16 7QU Permeable Paving 1 in 80
Date 14/05/2020 10:24 Designed by IDL
File Perm Paving 1 in 80 gra... Checked by PT
Micro Drainage Source Control 2017.1.2

Summary of Results for 100 year Return Period (+40%)

Half Drain Time : 27 minutes.

Storm Max Max Max Max Status
Event Level Depth Infiltration Volume
(m) (m) (l/s) (m³)

15 min Summer 34.626 0.226 1.4 3.1 O K
30 min Summer 34.628 0.228 1.4 3.1 O K
60 min Summer 34.625 0.225 1.3 3.0 O K
120 min Summer 34.610 0.210 1.3 2.7 O K
180 min Summer 34.595 0.195 1.2 2.3 O K
240 min Summer 34.582 0.182 1.1 2.0 O K
360 min Summer 34.559 0.159 1.0 1.5 O K
480 min Summer 34.542 0.142 0.9 1.2 O K
600 min Summer 34.528 0.128 0.8 1.0 O K
720 min Summer 34.517 0.117 0.7 0.8 O K
960 min Summer 34.501 0.101 0.6 0.6 O K
1440 min Summer 34.480 0.080 0.5 0.4 O K
2160 min Summer 34.462 0.062 0.4 0.2 O K
2880 min Summer 34.451 0.051 0.3 0.2 O K
4320 min Summer 34.443 0.043 0.2 0.1 O K
5760 min Summer 34.438 0.038 0.2 0.1 O K
7200 min Summer 34.434 0.034 0.1 0.1 O K
8640 min Summer 34.432 0.032 0.1 0.1 O K
10080 min Summer 34.429 0.029 0.1 0.1 O K
15 min Winter 34.642 0.242 1.5 3.5 O K

Storm Rain Flooded Time-Peak
Event (mm/hr) Volume (mins)
(m³)
15 min Summer 229.237 0.0 16
30 min Summer 131.899 0.0 25
60 min Summer 75.893 0.0 42
120 min Summer 43.667 0.0 76
180 min Summer 31.604 0.0 108
240 min Summer 25.125 0.0 140
360 min Summer 18.184 0.0 202
480 min Summer 14.457 0.0 262
600 min Summer 12.100 0.0 322
720 min Summer 10.463 0.0 382
960 min Summer 8.473 0.0 500
1440 min Summer 6.293 0.0 738
2160 min Summer 4.674 0.0 1100
2880 min Summer 3.785 0.0 1468
4320 min Summer 2.678 0.0 2184
5760 min Summer 2.095 0.0 2864
7200 min Summer 1.732 0.0 3584
8640 min Summer 1.482 0.0 4328
10080 min Summer 1.300 0.0 4968
15 min Winter 229.237 0.0 16

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