How to do BRICK BAT COBA at Building Terrace
How to do BRICK BAT CO BA PREPARATORY WORK Plaster of parapet, Mumty machine room, Water tank, Expansion joint treatment at terrace level must be completed before start of water proofing Scaffolding or left out material should be removed Any debris or deposit on the surface should be removed. The surface must be thoroughly cleaned and free from dust, dirt loose materials, oil or grease. Level should be marked on parapet minimum 600 above terrace All rain water pipe is to be fixed Ridge line to be marked PROCEDURE OR METHODOLOGY: Convex gola of 1:2:4cement concrete with water proofing compound shall be prepared along parapet, mumty and shaft wall. Uniform layer of1:2cement slurry with water proofing compound shall be applied on terrace. Uniform layer of 20mm thick 1:4 cement mortar is to be la...