REPAIR/MAINT OF JETTY PH, AREA DRAINAGE PH, WATER TREATMENT PLANT AND BOOSTER PUMP HOUSES AT VIJAY DURG UNDER GE(FW) KOLKATA

M & L plain cement concrete (1:2:4), type B2 (using 40mm graded stone aggregate) as in foundations, filling and mass concrete as suitable for foundation of pump set of rating not exc 100 HP capacity complete all as specified and directed.

M & L plain cement concrete (1:1.5:3), type A1 (using 20mm graded stone aggregate) as in filling and mass concrete above foundation as directed by Engr-in-Charge suitable for capacity exc 100 HP Motor & Pump any type complete all as specified and directed.

M&L Framed Work such as brackets of angles or tees with web and flanges cut to shape, drilled and countersunk for screw, including bending and welding angles as necessary, gusset plates, riveting, etc. conforming to Fe-290, Gde-E-165, complete all as specified and as directed.

80 mm dia CI D/F rising type glove valve generally confirming to IS : 9838, PN : 1.0 with GM working parts, SS-410 spindle with hand wheel and flange as per IS 1538/93 including rubber gasket joint all specified and as directed.

S&F in repair 200 mm bore cast iron sluice valve of Class PN-1.6, long body type, heavy duty, ISI marked (IS 14846) Bolted bonnet inside screw Non Rising Stem Renewable Seat, Solid West, Cu Alloy Seat, Stem SS(IS6603), Pressure tested B.T.P-2.4 Mpa Hyd and S.T.P-1. Mpa Hyd, flanged end as per IS : 1538 with iron wheel and brass spindle including rubber gasket joints, nuts, bolts etc incl taking down existing valve complete all as specified and directed. Make : ZOLOTO Cat No : 1083/ Kirloskar or equivalent make specified in tender.

Repair/ Maintenance of vertical turbine pump of capacity 60 HP to 150HP any make and type (as per existing make) at area drainage installation incl lifting & lowering of pump including disconnection of motor from electric line or terminal box and discharge head from drainage line, Dismantling the turbine pump bowl assembly, Dismantling and cleaning of complete bowl assembly items such as CI bowls, impeller, lock collets, bowl bush, suction and discharge case with GM bush including pump shaft, Cleaning of all rotary and stationary parts of pump bowl assembly and lowering of pump along with re-assembling of all accessories and column pipe after cleaning manually duly painted with two coats of anti corrosive black paint on outer surface, including fixing of motor in existing position making all Electrical and supply connections and adjustment of pump load etc and testing as directed by Engr-in-Charge, re-assembling the complete bowl assembly pump with all existing serviceable parts and replace the worn out unserviceable parts with new spares including S&F gasket and balancing of assembly other small nature of indispensable items as required for repairing and making them for their satisfactory run complete as and when directed.

Supply and fixing (for item No 6.00 above) SS impeller size 305.00 mm dia for 120 HP Vertical Turbine Pump set as in repair complete all as specified and as directed by Engr-in-Charge. (Make : Kirloskar)

Synthetic rubber bush for retainer