Manual Calculation

 
 
The result of computation using MSMAware was checked using spreadsheet in this section. Below are the steps to calculation result to design the size of OSD

 

Table 5.18 Comparison of Pre/Post Development Peaks for Johor (MSMA 2000)

 

Table 5.19 Computation of Permissible Site Discharge (PSD) for Johor (MSMA 2000)

 

 

Table 5.20 Computation of Peak Post-Development Flow for Johor (MSMA 2000)

 

 

Table 5.21 Computation of Site Storage Requirement (SSR) for Johor (MSMA 2000)

 

 

Figure 5.3 Graph of SSR versus Time for Johor (MSMA 2000)

 
 

Table 5.22 Computation of Primary Outlet Size

 

 

Table 5.23 Computation of Post Development Peaks Flow for Weir (MSMA 2000)

 

 

Table 5.24 Computation of Secondary Outlet Size

 

 
 

Editor :- Dilah – 27 March 14

 
 

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