tender for 15 Yearly routines of CO2 System on MFV Matsya Drushti , the following fixed fire fighting co2 system 15 yearly routine works to be carried out with dgs approved firm and necessary dgs approved certificate to be submitted to ship / hsl . , weigment of co2 bottles , capacity - 45kgs , weigment of co2 pilot bottles , capacity - 1 . 3kgs , hydro pressure testing 250kg / cm2 for bottles , refilling of co2 bottles including pilot bottles , blow out all pipe lines with air / co2 , 1 / 2 dia and 1 dia - 22 meters , repair & testing of main bottle pm valves including syphon tube & pilot bottles ( 7nos ) ( safety disc setting pressure - 180~200kg / cm2 ) and manifold check valves - 5nos , procure , supply & renewed above manifold check valve ( incase of above valve is ber ) ( new valve contractor scope ) , calibration of pressure gauge ( 0-250kg / cm2 ) , defective to be renewed . , servicing of safety outlet valve , disc bursting pressure - 125kg / cm2 , repair & testing of main control valve , procure , supply & renewed above main control valve ( incase of above valve is ber ) ( new valve contractor scope ) , servicing of master control cabinet , damaged electrical items ( terminal board , pressure gauge , electric time delay as required , limit switch , pod valve , ball valves and electric siren etc . , ) to be renewed and to be made in operational , alarm and blower cut-off operation to be shown to ship / hsl while opening of door , distribution brass nozzles to be serviced , damaged to be renewed , flexible hoses to be pressure tested to 190kg / cm2 , damaged to be renewed , repairing & testing of air connection valve - 1 / 2 size , procure , supply & renewed above air connection valve - 1 / 2 size ( new valve contractor scope ) , repairing & testing of non-return valve - 3 / 4 size , procure , supply & renewed above non-return valves - 3 / 4 size ( new valve contractor scope ) , flexible hoses ( 1 / 4 dia ) to be pressure tested , damaged to be renewed , flexible hoses ( 3 / 4 dia ) to be pressure tested , damaged to be renewed
