Modelling of On-Site Stormwater Detention Underneath a Car Porch
PJohnny Ong King NGU1, Darrien Yau Seng MAH2, Ching Vern LIOW3, Ik Tung NGU4
1Johnny Ong King NGU, Department of Civil Engineering, University Malaysia Sarawak (UNIMAS), Kota Samarahan, 94300 Sarawak, Malaysia.
2Darrien Yau Seng MAH, Department of Civil Engineering, University Malaysia Sarawak (UNIMAS), Kota Samarahan, 94300 Sarawak, Malaysia.
3Ching Vern LIOW, Setia Dimaju Sdn Bhd, No. 2A, Lorong Laichee 1, 96000 Sibu, Sarawak, Malaysia.
4Ik Tung NGU, ITN Construction Sdn Bhd, No. 2A, (1st Floor), Lorong Laichee 1, 96000 Sibu, Sarawak, Malaysia
Manuscript received on September 18, 2019. | Revised Manuscript received on 27 September, 2019. | Manuscript published on October 10, 2019. | PP: 4304-4307 | Volume-8 Issue-12, October 2019. | Retrieval Number: L27181081219/2019©BEIESP | DOI: 10.35940/ijitee.L2718.1081219
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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC-BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
Abstract: This study focuses on the possibility of On-Site Stormwater Detention (OSD) underneath a residential car porch. The space provided in the car porch area can be made good of it by introducing an OSD beneath it to temporary store stormwater from roof during raining in hoping of reducing the surface runoff. The OSD is subjected to 15-minute, 10-year Average Recurrence Interval (ARI) design rainfall. This process in urban hydrology is presented by using Storm Water Management Model (SWMM). Efficiency of the OSD is also investigated by different number of orifice outlets. Modelling efforts report that one orifice outlet is preferable, and it marks approximate 95% discharge reduction at the outfall.
Keywords: OSD, SWMM, Orifice Outlet, Residential Car Porch, Stormwater.
Scope of the Article: Advance Civil Engineering and Technology