Environmental Aspects of StormPav Green Pavement Using SWMM at Padungan Commercial Center

Khairisya, Roslan and Norazlina, Bateni (2022) Environmental Aspects of StormPav Green Pavement Using SWMM at Padungan Commercial Center. Journal of Water Resources Management, 3 (1). pp. 1-15.

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Abstract

This study aims to investigate the effect of permeable pavements water quality comprises of StormPav, the new innovated permeable pavement by UNIMAS researcher and Porous Concrete (PC) at Padungan Commercial Centre using Stormwater Management Model (SWMM). Urban stormwater runoff is extremely polluted with various pollutants such as total suspended solids (TSS) and Total Phosphorus (TP). Therefore, permeable pavements (PP) is proposed to be implemented in the study area. The performance of the PP system of StormPav and PC are investigated using Low Impact Development (LID) control in SWMM. The exponential functions and parameters of TSS and TP loads generated from the commercial center is obtained from past studies. The results found that the StormPav shows significance results in reducing runoff during high storm event about 25% to 37% compared to PC about 20% to 29% respectively. While, PC shows better performance at removing runoff for small storm events with runoff reduction about 56% to 59% compared to StormPav at about 44% to 49%. The stormwater quality entering the groundwater are improve using the PP system. From the simulation, PC performed better than StormPav at reducing both pollutants for high and low rainfall intensity with TSS and TP removal about 99% and 98% respectively. Besides, StormPav removed 99% of TSS and 87% of TP during low rainfall intensity, but about 63% and 45% respectively of TSS and TP during high rainfall intensity. The finding indicates that StormPav can be used for stormwater management to reduce groundwater pollution.

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