tender for charges for fabrication of ring guard (four halves) using hr sheet of 3.15mmthick (od-2450mm/ id-1650mm) to required dimension by marking, cutting, bending, grinding the edges and cutting, bending the ms angle of size 50x50x6mm to fabricate frame for ring guard, stiffeners at necessary area and welding(bending of hr sheet & ms angle at outside workshop if required, transportation and bending charges are under contractor scope) , charges for fabrication of new ms grill of size 1600 x 490mm using ms flat of 6 mm thick (vertical width is 25 mm & horizontal width is 10 mm and to be stich welded on all four sides for each segment) to required size and fixing of lifting handles as required which includes all labour & transportation charges (lifting handles are under contractor scope). , charges for fabrication of new ms grill of size 1600 x 720mm using ms flat of 6 mm thick (vertical width is 25 mm & horizontal width is 10 mm and to be stich welded on all four sides for each segment) to required size and fixing of lifting handles as required which includes all labour & transportation charges (lifting handles are under contractor scope). , charges for cleaning and painting with one coat of epoxy red oxide primer and two coats of epoxy coal thar one over the other with proper interval over the ring guard. , charges for cleaning and painting with two coats of 1st quality heat resistant aluminum paint over the unit - iii & iv cooling water pump intake screen safety grills and man hole doors. , charges for providing and dismantling scaffolding arrangement up to the height of 8 mtr for unit - iii & iv cooling water pump fore bay monorail cranes (15 ton & 10 ton) moving guider structures and supporting structures painting work. (required scaffolding materials are under contractor scope). , charges for removing the rust and old paint from unit-iii & iv cooling water pump fore bay monorail cranes (15 ton & 10 ton) moving guider structures & supporting structures, hoist