Providing And Applying Premixed Refractory Lining As Per Approved Design, Drawings, And Specifications, Including All Necessary Mixing, Ramming, Pressing, And Baking Within A Hollow Metallic Outer Casing Using The Contractor S Own Materials, Fuels, Gases, Electricity, And Other Required Resources, Ensuring Completion To The Specified Quality Standards Assuring Execution Of Work In Supervision Of Railway Official Within The Campus Of Northern Railway Facility Center Located Within Bridge