bids are invited for repair and overhauling service - assistance for insertion of propeller shafts and propellers in ship; any other suitable brand; no; buyer premises - assistance for shifting and lowering of chain blocks, belts and slings from shop floor to dock floor , assistance for securing of 10 ton, 05 ton, 03 ton chain blocks to the welded eye hooks. , assistance for shifting of propeller shaft, stern shaft, both propellers, sleeve coupling, intermediate shaft coupling from shop floor to dock floor , assistance for unblanking of fwd and aft stern tubes(p&s) , assistance for both stern fwd bottom bushes fitment , assistance for fitment of both stern shafts. , assistance for fitment of both intermediate shaft couplings. , assistance for insertion of both propeller shafts. , assistance for fitment of sleeve coupling of both shafts. , assistance for fitment of port & stbd muff coupling (includes nut tightening and fit bolts fitment) , assistance for shifting from shop floor and lowering to dock floor of both halves of stern bushes , assistance for fitment of top half of fwd stern bush. , assistance for fitment of deep-sea seal adaptor rings , assistance for fitment of both propellers. , assistance for fitment of propeller cone and nut , assistance for removal and shifting of 10 ton, 05 ton, 03 ton chain blocks from on board to shop floor