estimate for the supplying of spare parts for rm to dt under d.w.&.s. division seraikella for the year 2022-23. supplying of spare parts of india mark ii hand pumps under d. w. and s. division, saraikela of district saraikela-kharsawan. , supplying of spare parts of drilled tubeweels for india mark-ii conforming to is 15500 ( relevant part 1 to 8 ) / 2004 ( with latest amendmeent ) only from approved manufactures / suppliers from bis / unicef after proper verification of offer shet, inspection certificate, marking & packing etc as per bis / unicef standard norms etc all complete , connecting rod 3 mtrs long with coupling & nut , hexagonal rod coupling m12x1075x50mm long , handle assembly g.i , cylinder assembly complete set im-ii , upper valve assembly complete set im-ii , lower valve assembly complete set im-ii , high tensile bolt m 10x1.5x40 mm long , nyloc nut 10x1.5 , upper valve guide ( g m ) , handle axle s s , chain with coupling , hexagonal bolt m 12x1.75x40mm long , hexagonal nut m12x1.75 , nitrile cup washer im-ii & iii , nitrile sealing ring im-ii , nitrile rubber seating big for lower valve im-ii , nitrile rubber seating small for lower valve im-ii , pump head assy with f.cover & t.plate g i , cylinder body with reducer cap , top & bottom im-ii , ball bearing 6204z , rubber seat retainer im-ii , gst @ 5%