Pembangunan secara mendadak telah banyak mendatangkan masalah dalam
pengurusan air larian ribut seperti banjir kilat di kawasan Bandar. Sistem perparitan
konventional di mana akan mengalirkan air larian dengan secepat mungkin ke dalam
sungai (pembuangan cepat). Sistem konventional ini berdasarkan manual Planning and
Design Procedure by Department of Irrigation and Drainage (DID) pada 1975. Akan
tetapi, sistem tradisional ini telah menyebabkan berlakunya banjir di hilir sungai. Dengan
itu, manual baru telah diperkenalkan oleh DID pada 2001. Manual baru ini dikenali
sebagai “Storm Water Management Manual (MSMA)”. Aplikasi Amalan Pengurusan
Terbaik dan Kawalan di punca telah digunakan dalam sistem baru ini.
Sistem baru ini telah diimplementasi oleh Universiti Sains Malaysia dengan
kerjasama DID. Lokasi kajian tersebut terletak di Kampus Kejuruteraan, USM, Seberang
Perai Selatan, Pulau Pinang, Malaysia. Untuk mengesan keberkesanan sistem baru,
simulasi sistem paip (pembuangan secepat mungkin) dan sistem BIOECODS (Kawalan
di punca) telah dijalankan dalam tesis ini.
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Urbanization has led to problems in urban storm water management such as flash
flood. A conventional drainage system has been designed to mitigate flash flood by
transporting storm water runoff out of the catchments into river as fast as possible (rapid
disposal). This conventional drainage system is based on manual “Planning and Design
Procedure by Department of Irrigation and Drainage (DID)” in 1975. However this
conventional system has led to the occurrence of flash flood at the downstream of the
catchments. Therefore, a new manual has been introduced by DID Malaysia. This new
manual is known as “Storm Water Management Manual (MSMA)” in 2001. “Best
Management Practices (BMPs)” or control at source concept has been applied in this new
manual to achieve zero development impact contribution.
This new drainage has been implemented by Universiti Sains Malaysia in
collaboration with DID. The site of study is located in USM Engineering Campus
Seberang Perai Selatan District, Pulau Pinang, Malaysia. In order to verify the
effectiveness of this new drainage system, simulation of pipe system (rapid disposal) and
BIOECODS system (control at source) has been carried out as a comparison.