Mahasawat Water Treatment Plant Phase II

Mahasawat Water Treatment Plant Phase II


Client: Metropolitan Waterworks Authority (MWA

Location: Nonthaburi, Thailand

Features: Large scale WTP with common facility saving the capital expenditure and ease of operation and maintenance

Completion Date: 2 July 1999; 24 months construction period

Contract Value: 121.9 MB of total 871.9 MB

Aquathai had worked as a consortium partner to the Consortium of ITD-DGT-AQT. As part of the Seventh Master Plan of MWA, the project is an expansion and a replica of a process train of Phase I which is one of the single largest water treatment plants and situated in the West Bangkok. The plant is the second phase of its 8 phases, with a nominal capacity at 400,000 m3/d, each.

The scope of work include the local supply and installation of mechanical and electrical work with a commissioning service of the following equipment:

  • Raw water pumping with rotating screen
  • Two(2)x 210,000 m3/d Pulsator Clarifiers
  • Eight(8)x52,500 m3/d Aquazur V Filters
  • Chemical handling and dosing
    • KMnO4
    • Lime saturator
    • Gas Chlorinators
    • Alum
    • Polymer
  • Control and instrument and electrical work
  • Interconnection to the Phase I