S/I/T/C of R.O. (Reverse Osmosis) water filtration system and other allied work in Central workshop (WS115), Civil maintenance acad. Area and Main gate at IIT Delhi.

Amount

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply, including all CPVC plain & brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge. Internal work - Exposed on wall.

20 mm nominal outer dia Pipes

25 mm nominal outer dia Pipes

Half brick masonry with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundations and plinth in :

Cement plaster skirting up to 30 cm height, with cement mortar 1:3 (1 cement : 3 coarse sand), finished with a floating coat of neat cement.

Supply, Installation, Testing & Commissioning of Reverse Osmosis system including manometer and pressure switch for monitoring water inlet pressure (dry-run protection), sliding vane pump, stainless steel pressure pipe including highly efficient reverse osmosis membrane, manometer and presure switch for monitoring the reverse-osmosis system when it is switched on and adjusting the dischange pressure, conductivity measuring cell 0-100 μ S/cm, plug connection 230 V 50 Hz Backflow preventer type BA for protection in accordance with DIN EN 1717 and DIN 1988-100 including integrated dirt trap plus pressure reducer and manometer. Membrane pressure tank, 18 litres capacity. Sampling valve for testing water quality. Microprocessor controller with 2 LEDs for displaying operating and service messages. Sensors for monitoring water inlet pressure, permeate conductivity and permeate flow. Potential free release and fault message contacts. Bypass valve for maintenance (only water line ROB)