Construction of wing walls, approach slab and approach road to the bridge at KM 5/2 of Vuyyuru to Iluru Road in Krishna District Sub Work Providing Guniting treatment to the bottom of deck slab railing and painting to the bridge at KM 5/2 of Vuyyuru to Iluru road in Krishna District

A. Surface Preparation Mark & Chip- Outline the damaged area, and then use a chisel/jackhammer to remove all unsound, loose concrete until you reach sound concrete and the rebar, creating a 90-degree edge. rust inhibitors (rust remover/anti rust B. Clean rust off exposed steel, apply chemicals) like FOSROC REBAKLANCE RR. Next day apply on Exposed rods with FOSROC NITO ZINC PRIMER. C.Reinforce [ If needed]- Fix new steel reinforcement if the old rebar is insufficient. D. Apply a bonding agent FOSROC NITOBOND SBR OR SIMILAR PRODUCT to ensure the new mortar sticks to old concrete. E. Fill the void with a polymer-modified mortar or a specialized cementitious repair mortar like FOSROC CONBEXTRA GP2 + CEMENT / FOSROC CONBEXTRAGP2+CEMENT+SAND+WATERthatallows for vertical/overhead application

Painting two coats after filling the surface with synthetic enamel paint in all schme or new plastered concrete surface.