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Minimum Time of Concentration (tc) Setting

5 minutes is commonly used as the minimum value for the Time of Concentration. This is due to the storm duration used in the IDF curve equation which is valid between 0.0833 hours (5 minutes) to 72 hours and is referred in Storm Management Manual for Malaysia (MSMA)....

Pond Routing

Reference: MSMA 2nd Edition; Chapter 2; 2.5 Hydrological Routing MSMA 2nd Edition; Chapter 7 – Detention Pond  How to perform routing through a reservoir or storage facility using Equation 2.17 Step 1: Develop: i. Inflow hydrograph  Rational Method refer Chapter...