PROJECT:

Mobile Chlorine Dosing system to boost Cl2 residual near the end of a new CLS water main.

MTL ROLE:

MTL provided process and mechanical design, project management and commissioning services for the containerised unit to maintain Cl 2 residual due to initial low water demand. The system included the following features:

  • High & low range Cl2 gas dosing capability
  • Automatic gas dosing control via PLC
  • Inlet treated water and dosed treated water analysers
  • Operation at water main pressures of 200 to 1600 kPa
  • Hardwired emergency gas shut-off and gas leak detection systems
  • HSNO compliant design
  • Remote monitoring and alarms via SMS

PROJECT OUTCOME:

MTL worked very closely with Filtration Technology, the Siemens dosing equipment supplier and installation contractor to ensure the dosing unit met the high standards required.

PROJECT PARTNERS:

Ergo Consulting Ltd (Electrical & Controls) and Filtration.
Technology/Kinetic/PLNZ.