(a) Construct design rainfall temporal pattern for 30 minutes storm duration based on data given in Table 2. The rainfall distribution will be used as input to design a major system at semi-detached residential area in Kemaman, Terengganu. Table 2 : 5-minute interval rainfall data for Kemaman Station [14 Marks] (b) Explain the differences in application on rainfall temporal patterns with real rainfall data in historical storm. [2 Marks] (c) Sketch the impact of watershed slope and shape to the development of flow hydrograph for a catchment.