HWPM/PP/MTA/XU/2024/CC

Amount

Cleaning (if required) of 50 Liter empty carboys, Shifting of empty carboys to DM plant (MP), filling of Alkali into carboys and transportation of the same to the heat exchanger site in XU-2 by making use of tractor/trailer.

Chemical cleaning of cooling water heat exchangers which involves jobs like shifting of 2m3 syntax tank, shifting of motor-pump combination to the location, making all arrangements of temporary piping & hose connections and establishment of water circulation. Acid dosing, circulation of acid solution, eventual draining & neutralization of the holdup with alkali, flushing of the exchanger with water and neutralizing residual acid by circulating Sodium carbonate solution, draining the holdup, flushing of the exchanger with water and normalization of system by removing temporary connections, collecting samples and sending them to laboratory on as and when required in round the clock shifts as per the instruction of the departmental supervisor.

Passivation of Cooling Water Heat exchangers which involves jobs like shifting of 2 m3 syntax tank, shifting of pump-motor combination to the location, making all arrangements of temporary piping & hose connections and establishment of water circulation. Dosing Sodium Hexa Meta phosphate & surfactant and ensuring water circulation, circulation of solution, eventually draining the holdup, flushing of the exchanger with water and normalization of system by removing temporary connections collecting samples and sending them to laboratory on as and when required in round the clock shifts as per the instruction of the departmental supervisor.

M/s K SATYAM CONTRACTOR

SRILATHA ENGINEERING WORKS