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 5.10 Comparison of Pre/Post Development Peaks for Pulau Pinang (MSMA 2000)


Table 5.11 Computation of Permissible Site Discharge (PSD) for Pulau Pinang (MSMA 2000)



Table 5.12 Computation of Peak Post-Development Flow for Pulau Pinang (MSMA 2000)



Table 5.13 Computation of Site Storage Requirement (SSR) for Pulau Pinang (MSMA 2000)



Figure 5.2 Graph of SSR versus Time for Pulau Pinang (MSMA 2000)


Table 5.14 Computation of Primary Outlet Size


Table 5.15 Computation of Post Development Peaks Flow for Weir (MSMA 2000)



Table 5.16 Computation of Secondary Outlet Size

Editor :- Dilah – 17 Feb 14

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