Kerala Water Authority Tender

Cost of materials & Working Charges

OD110129/2024-2025:Designing, manufacturing, installing as per the technical demand and site condition, trial running and commissioning of one number pressure sand filter (PSF) of capacity 20000 LPH, Pressure Filter vessel with Diameter 1200 mm and HOS 2000 mm ( Height ) and Shell thickness 8 mm and Dish end thickness10 mm adequate to withstand possible maximum internal pressure. The container should have a manhole with cover at top for easy inspection of the unit provision of door/dummy at bottom for media removal. .The unit should be incorporated with best quality 80 mm CI Butterfly Valves having ISl mark for filter unit functioning including rinsing and back washing. The outlet of the pressure sand filter shall be connected with the Pumping Main. The scope of work includes all related, mechanical and plumbing works and interconnection of the system at inlet and outlet with existing pumping man, by pass arrangement. All the metallic parts should be painted with approved qualiy anti-corrosive paint The filter media comprising of graded Coarse sand, Fine Sand should have good performance life for a minimum period of 2 years. The bed materials shall be graded pebbles/crushed gravel etc.

OD110130/2024-2025:Designing, manufacturing, installing as per the technical demand and site condition, trial running and commissioning of one number Iron removal filter of capacity 20000 LPH, Filter vessel with Diameter 1200 mm and HOS 2000 mm ( Height) and Shell thickness 8 mm and Dishend thickness 10 mm adequate to withstand possible maximum internal pressure. The container should have a manhole with cover at top for easy inspection of the unit provision of door/dummy at bottom for media removal. .The unit should be incorporated with best quality 80 mm CI Butterfly Valves having ISI mark for filter unit functioning including rinsing and back washing. The outlet of the pressure sand filter shall be connected with the Pumping Main. The scope of work includes all related, mechanical and plumbing works and interconnection of the system at inlet and outlet with existing pumping main, by pass arrangement. All the metallic parts should be painted with approved quality anti-corrosive paint. The Iron Removal media comprising of MNO2 and Katalox light , should have good performance life for a minimum period of 2 years.