... Thickeners Yen So Sewage Treatment Plant - Operations and Maintenance Manual Volume I 46 Continue E& IC Engineer Job Requirements Experience in maintenance of electrical equipment. ... multidisciplinary environment. Good experience with the design, installation and maintenance aspects of wastewater / water treatment plant. Experience in maintenance of mechanical equipment, such ... and instrumentations etc. Yen So Sewage Treatment Plant - Operations and Maintenance Manual Volume I 27 Thickener Feed Pumps 3.1.12 Sludge Thickener Sludge from the thickener feed...