Tender For corrigendum : servicing of activated carbon filter (acf) and pressure sand filter (psf), multi grade filter (mgf) in wtp energy dept at tnpl unit 1.
Tender For corrigendum : tender for sewage treatment plant - earthwork excavating and depositing on bank , providing of well earth grade from approved mining site , granular sub base using grade , laying wet mix macadam , plain cement concrete , supply and erecting shuttering , supply and erecting shuttering including necessary supports for plane surfaces , providing and laying in position standardized concrete , supplying, fabricating and placing in position of steel reinforcement using mild steel , supply and installation of return sludge pumps capacity , filter feed pumps capacity , sewage transfer pumps capacity , air blower type twin lobe , motor for air blower , pressure sand filter vessel , activated carbon filter vesse , chlorine dosage pump capacity , barscreen , bactrial cultures , fine bubble membrane diffusers 60 mm dia and 1000 mm length , decanting pumps make-lubi , with generator, concentrator, venturi, pressue pump with all assembly , treated sewage transfer pumps capacity
Tender For replenishment of filter media ( sand and gravels) along with replacement of damaged nozzles fitted on false bottom floor type filter bed no. b-7 with ancillary civil works at wtp-iv, garden reach water works.
Tender For corrigendum : work contract for erection work of sand cement insulation on duct, pre-filter and fine-filter of ventilation system at abvtps, cspgcl, janjgir-champa.