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drquek
07-01-2009, 12:33 PM
2.5 Worked Example 2.3

Design OSD for a residential development in Penang.

Total area is 100,657 m2.
Assume that 40% of the surface area is impervious and the rest pervious.

The times of concentration are as follows:
tc= 14 min (factory site outlet)
tcs= 5 min (roof and property drainage)
chunboonlee
07-01-2009, 06:06 PM
Our answer for below ground SSR is 2024m3.
fauzi4
07-01-2009, 06:08 PM
MAXIMUM SSR

above GROUND STORAGE= 1701.5 m3
below GROUND STORAGE= 2106.1 m3

*based on condition 4, URBAN RESIDENTIAL FULLY BUILT UP
BASED ON FD WEST COAST 140 AND tc = 14 min

GROUP 3
richardobc
07-01-2009, 06:08 PM
our answer for below ground storage is 2024.1 cubic metre.
hidayah_4
07-01-2009, 06:38 PM
Our answer for the SSR OSD in Penang are as below:

above GROUND STORAGE= 1911 m3
below GROUND STORAGE= 2102 m3

powerpuff girls!!!!
shahfizan_4
07-01-2009, 06:42 PM
SSR Above = 2068 m3

SSR Below = 2193 m3
dzakir4
07-02-2009, 10:18 AM
SSR above ground storage = 2093.2m3
SSR below ground storage = 2222.5m3