Extension of Kuala Jelai Water Treatment Plant

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Project Information

Kuala Jelai, Negeri Sembilan

Client / Owner

Pengurusan Aset Air Berhad


SMHB Sdn Bhd

Main Contractor

Setaracita Construction & Trading Sdn Bhd


Asia Baru Construction Sdn Bhd

Date of Commencement

10th December 2012

Date of Completion

5th March 2015

The main components for the extension and upgrading works at Kuala Jelai Water Supply System are as follows :-

Civil Works

  • River gates including a 12m wide base width river diversion
  • Walkway from river gate to existing sludge lagoons
  • Raised steel platform at existing intake
  • Site formation, earthworks, roadworks, fencing and landscape works
  • Five flocculation and clarifier tanks
  • Clarifier control building
  • Four filters
  • One chlorine contact and clear water tanks in two compartments
  • All main connecting pipework including connection to existing works
  • Modification works to existing Chemical Building
  • Modification works to existing Chlorine Building
  • Drainage and overflow system


  • River gate, crane and associated mechanical, electrical and instrumentation works
  • Installation of two new raw water pumpsets including associated valves, pipeworks and electrical works at the spare bays of Phase 2 intake
  • Raising of existing raw water pumps local control panel to the proposed steel platform including extension of cables to the pumps for Phase 1 and Phase 2 intake
  • Sand ejector system
  • All plant, equipment, pipework, valves and penstocks for the water treatment process system for clarification and filtration
  • All plant, equipment, pipework and valves for backwash
  • New chemical handling, storage, preparation and dosing system including modification to the existing system
  • All electrical system for high voltage and low voltage system
    Instrumentation & SCADA
  • Building services, water sampling equipment and laboratory system