supply, delivery and installation & commissioning of rof & lohat kamalnagar(12.09 mld) wtp, purbasthali-ii block, purba bardhaman under surface water based w/s schemeunder central mechanical division, phe dte-1 supply, delivery at site and storage of capacitance type rate of flow & loss of head indicator suitable for mounting with existing filter control console complete with capacitance type transmitter and digital display unit with 4-20ma re-transmitter complete 2 supply, delivery at site and storage of pvc pipe line with valve for rate of flow & loss of head indicatorcomplete with all fittings & pipe, valve complete including installation. 3 electrical wiring including supply of necessary and fittings for rate of flow & loss of head indicator power supply to transmitter, probe to transmitter and signal from transmitter to display indicators. 4 commissioning and calibration of rate of flow & loss of head indicator including termination of indicator, probe and transmitter.