Location: TWS No. 25 An unsafe method applied to empty the sediment tank from mud and underground water. The crew lifted and tilted the sediment tank full with underground water and mud, to discharge it on the ground and such method is not acceptable taking consideration of slippery site, environmental concern and city image.   Furthermore, lifting and tilting of full sediment tank may cause lifting points to bent and later on detachment from its position.
Hazard category: Environment / noise / spills