Abstract
Padungan, one of the busiest business districts within Kuching City has been facing difficulties due to its age and inability to manage urban runoff. To sustain its historical heritage value without compromising the beauty and ability to discharge urban runoff, environmental needs have called for a change in urban stormwater management. The main objective of this study is to incorporate StormPav Green Pavement along the backstreet of Padungan and to investigate the effectiveness of the permeable road. The methodology used in this study is by means of computer modelling using Storm Water Management Model (SWMM). There are two models built, simulating conditions as (a) current drainage system facility; (b) implementing StormPav Green Pavement along the back of Padungan Street for the purpose of accommodating runoff from the whole two rows of buildings. From the analysis of modelling scenes, implementing the permeable road is a preferable solution as it encompasses both the present and future needs into the design consideration.
Highlights
Urban centres, or sometimes known as cities, have higher population density along with various infrastructure features [1]
Ground information obtained during field visits are incorporated into the base model of conveyance network, and drainage system, within Storm Water Management Model (SWMM) 5.0
Through the catchment runoff summary generated by SWMM (Table 1), the peak runoff of the whole catchment is 0.975 m3/s, which has exceeded the allowed permissible site discharge (PSD), 0.916 m3/s
Summary
Sometimes known as cities, have higher population density along with various infrastructure features [1]. Such areas support an increasing population growth, which has a significant negative impact on the quality of infrastructures provided [2]. As stormwater drainage systems play a vital role in dispersing excess water within urban centres, the degradation brings about flash floods, pollution, erosion, sedimentation and other side effects. Urban water professionals across the globe continually seek and research methods in transitioning current cities into water sensitive cities [3,4,5]
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