f.o.r. supply of centre shaft of clarifier with dismantling of old shaft and erection of new shaft from reputed suppliers / manufacturers , supply of centre shaft of clarifier with dismantling of old shaft and erection of new shaft, , supply of new m.s. clarifier center shaft fabricated with 8 mm m.s plate, s.s mud rings, s.s bolts and s.s tie rod covered with m.s pipe sealing suitable foe 26 ( 7930mm ) dia x 4 compartments, 20 ( 6100mm ) height clarifier. capacity of clarifier =2750 hl, max dia of centre shaft =820 mm approx. length of centre shaft= 8040 mm approx. the old shaft is to be dismantled and new shaft is to be assembled with required accessories such as stir arms and repair of mud boots according to new shaft. commissioning and successful trial of the centre shaft is to be given.