NIT No-06 EE (EM) M-I/ (23-24) Item No. 18

Disconnecting of all electrical connections and decoupling the motor from the pump and pump from suction and delivery line by using gas cutter set and manual heavy labour etc. As required.

Fabrication/Making of MS blind flange to be drilled and machining as per site requirement of size 500 MM dia 25 MM thick suction side and 500 MM dia 25 MM thick at delivery side as required.

Dismantling the pumpset from the base frame by cutting and removing of all the rusted MS nut bolts by gas cutter and electric welding set and manual heavy labour as per site requirement and lifting of pump and motor on ground with the help of crane/tripod and manual heavy labour etc. as required.

Removing of worn out MS base frame from RCC by cutting foundation bolts with the help of gas cutter and electric welding set and lifting it out by heavy manual labour to ground level and shifting it to safer side as per instruction of engineer in charge.

Breaking of RCC foundation by pneumatic power chisel and electric compressor machine this includes removing the broken material from pump house and disposing the same as suitable place as per instruction of engineer in charge.

Renovation by Providing and laying in position cement concrete 1:2:4 (1cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) in foundation of pumpset approximate size 2200X750 MM etc including Making of MS jall by providing ms bars of size 12 mm -16 mm for strentghening of foundation and including providing and fixing of minimum 300MMX20MM 6 nos. Foundation bolts etc as required.

Providing of heavy duty MS base frame suitable for 150KW Pumpset made out of heavy duty MS channel and MS plate of suitable size as per existing base frame.

Supply of Neoprene Rubber Packing. Make: Jyoti/National.

Supply of MS nut bolts washers etc.

Providing and Fixing Mild Steel Dismantling Joints 500 mm nominal dia of pressure rating PN 1.6 with both side flange end suitable for installation in between flange end pipes. SOR Code No. 51.95.11

Fixing of MS base frame on the RCC foundation the job include proper levelling and alignment.

Replacement of damaged coupling guard by Making and Fabrication made out from MS sheet and angle etc as per existing for safety purpose in pumping station.

Making proper bore with key of the tyre coupling and fixing charge of coupling etc. As required.

Replacement of pressure gauge with copper tube etc as required.

Providing and Painting of the suction/delivery lines valves NRV MS frame and fitting with good quality enamel paint Hi gloss after two coats of Red oxide primer etc as required. Make:-Asian/Berger/Nerolac.

Installation of the pump and Motor on the common base frame including couple the pump and motor, jointing the pump with suction, delivery line with proper alignment taking all safety precaution arrnagement all tools and tackles.

Making electrical, earthing connection of Motor, starter/panel with the help of tools and tackles and safety precautions at site.

Testing and commissioning the E&M equipment pump and motor at NO load and Full load.

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