bids are invited for ph sensor , ph transmitter 4 to 20ma hart , specific conductivity sensor , specific conductivity transmitter 4 to 20ma hart , cat ion conductivity sensor with 1 cat ion exchange column , cat ion conductivity transmitter 4 to 20ma hart , do2 sensor , do2 transmitter 4 to 20ma hart material code , silica analyzer transmitter 4 to 20ma multi channel , sodium analyzer transmitter 4 to 20ma multi channel , hc analyzer 4 to 20ma , s le handling system for main steam superheated , s le handling system for drum water , s le handling system for hp feed water economizer inlet , s le handling system for deae ol fw , s le handling system for dm water , s le handling system for condensate blow down line , s le coolers , redundant chiller units 1 working 1 standby , shelf life items required at the time of commissioning , shelf life items required after commissioning in 1st lot , shelf life items required after commissioning in 2nd lot , training as per cl 14 of 2 mandays for 6 nos at site , supervision of e and c services charges at site , supervision of e and c visit charges , mandatory spares as per tech specs