Detention Basin Computation in MSMA (2011)

 

Sample Data

Site Detail

Location : Air Terjun Sungai Batu, Kuala Lumpur
Area : 10 Ha
Tc Pre : 30 min
Tc Post : 15min
Pre Site Condition : Sport Fields Park and Agriculture 
Post Site Condition : Semi Detached 

 

Outlet Selected

Type : Orifice
Numbers : 1
Cd : 0.6
Do : 1 m
Invert Level : 0 m

 

Detention Basin Design

ARI for Pre : 5 year, 50 year and 100 year
ARI for Post : 5 year, 50 year and 100 year
Td Pre : 10 min, 20 min, 30 min
Td Post : 10 min, 20 min, 30 min
Basin Area : 6000 m2, 7000 m2, 8000 m2, 9000 m2, 10000 m2, 11000 m2
Contour Interval Depth : 0.15 m
Max Depth : 3.0 m
Invert Level : 0 m
Free Board : 0.3 m
No of Contour Lines : 6
Pool Routing Time Step : 5 min
Factor to Tc  : 4

 

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