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POLLUTANT REMOVAL SYSTEM (PRS) 
  • The main concern is to ensure that the water quality at Ampang Water Intake is always in good quality during highway operation whereby the concentration of oil and grease should be kept below the allowable concentration Standard A (1 mg/l) as required by DOE.

  • Prior to the appointment of a consultant to design the pollutant trap to filter the oil spillage, preventing from direct discharging into the rivers, EKVESB had appointed Greenwich Sdn Bhd, to study the potential, frequency, and possible location of the oil and chemical tankers collision along the alignment.

  • Based on the study, it was recommended that seven (7) locations of PRS proposed of which, six (6) units to be provided between Ampang Interchange and Ukay Perdana Interchange whilst one (1) unit to be located at Hulu Langat Interchange. (see Figure 5: Proposed Locations of PRS and Figure 6: Typical Design of Pollutant Removal System). PRS is a proven system was first introduced in Malaysia for Senai-Desaru Highway Project.