2013-2015
PWA
Chiang Mai Project
Water supply expansion, PWA Chiang Mai branch — raw-water pumping and treatment systems, Mueang District, Chiang Mai
฿983M
Project value
48,000 m³/day
Treatment capacity
35,878 m
Pipe transmission
1,000 mm
Largest pipe
the challenge
Upgrade the existing plant and expand production to keep pace with rising annual demand under PWA’s plan.
what we delivered
Mae Tae raw-water station, Mae Faek treatment works at 48,000 m³/day, and 35,878 m of water mains.
how it was built
Pipe installed by HDD, pipe jacking and open-cut, with mechanical, electrical, chemical dosing and remote-control systems.
Impact
Enough added capacity to meet demand, with higher treatment quality from the upgraded plant.
Water treatment system testing
Sedimentation tank construction
Grit chamber construction
Site pipework installation
