After completion of the internal plastering of walls, keep margin of 450 mm (18”) from the final floor level of the bathroom. Roughening of the plaster should be done with a wire brush for fixing the glazed tiles cladding dado.
Complete grooving, chiseling for concealed G.I. and electrical conduit piping in bathroom.
Complete all concealed G.I. and electrical work in the bathroom.
Remove all debris from the bathroom after chiseling the extra mortar, if any, to expose the slab completely.
Make the holes in the external walls for connecting nahani trap to external drainage line and water leakage drain pipe.
Clean the bathroom thoroughly with water.
Mark the level in red on the walls, with respect to the floor level, to set up the trap level.
