MTPS I TM Unit I Renewal of Gasket at water box side tube nest side condensate inlet and outlet flange inspection and cleaning of tube nest and allied works

Amount

Overhauling and Gasket renewal of LP Heater3 & 4. a) Removing of water box and placing it on the repair bay. b) Lifting of tube nest, placing it on the T.G. floor, inspection, cleaning of tube nest, shell and etc. c) Preparation of gaskets for the tube nest, water box inlet and outlet pipe line flanges etc. d) Providing new gaskets for the tube nest and placing the tube nest inside the shell. e) Cleaning and checking of drip line Header Nozzle holes, Checking the tube nest for leak if any plugging of all punctured tubes, placing the water box on the tube nest and tightening of main flange, Condensate inlet and outlet flanges after providing new gaskets.

Overhauling and Gasket renewal of Gland Cooler 1 a) Removal of Water box, flange bolts and nuts, Condensate inlet and outlet flanges, lifting the water box, placing it on the floor and cleaning of all flange surfaces. b) Lifting of tube nest, Placing it on the floor, inspection, cleaning of tube nest and hydraulic testing etc. c) Providing new gasket, for the tube nest and placing the tube nest inside the shell d) Placing the water box on the tube nest and tightening the main flange, Condensate inlet and outlet flanges after providing new gasket

Overhauling Hydraulic test and Re- assembling of Safety valve of size 4”/2”/ 300 class. Removing the safety Relief valve Size 4’’, 2.5’’/ 339 Class from Flange & Stud heating system Disassembling the Safety Relief Valve, cleaning all the parts of the SRV, checking the seating surfaces and Lapping the seat and disc for perfect blue matching. Setting the pressure for rated lifting the SRV with hydraulic pump. Reassembling the SRV with new inlet and outlet flange gaskets.

Replacing the defective drain line valves or equivalent in Cooling water lines and ACW lines by Non IBR welder. This work involves Modification of ACW to compressor interconnection line by cutting the existing OD 88.9 mm ERW pipe and isolation valve, grinding and Non IBR welding.

Cutting and Welding of GLV 1"/1500/2500 class valves or equivalent joints by IBR Welder. Charges for cutting the defective 1" valve or equivalent 2 Nos 1" joints in drain / vent line, grinding and welding the new valve in the line by IBR welder.

Replacing the defective drain line valves, pipes or equivalent in Heater drip, Condenser air, Auxillary steam and drain water lines etc by Non IBR welder. Charges for cutting the defective 1" valve or pipe or equivalent joints in drain / vent line, grinding and welding the new valve / line in the line by Non IBR welder.