Mechanical work and piping work
Renovation pipe rack on road to WWTP #2
Replacement Ca(OH)2 pipe at wwtp no.1
Change new header pipe for chemical (NaOH 25%) transfer pump
Change piping of booster pump for cooling recycle tank
Addition pump form NaOH 25% WWTP tank supply to stock tank scrubber
Renovation the stair at waste water treatment palnt #1
Installation backwash water for mixing Ca(OH)2 at WWTP#2 (Energy saving project)
Repair pipe of pump for sum pit toilet no.4
Change valve and piping of mixbed tank
Installation of ralling for PE tank at North pit
Installation guard pole for protect transformer high voltage
Installation pipe rack and piping at wastewater treatment plant#1
Renovation pipe rack and support pump at chemical yard
Repair DI water pipe leak at DI water tank
Addition automatic valve check percent sulfuric acid 8%
Installation an anti-foam pump for wastewater treatment plant # 2
Installation PPR piping
