Details: taking down and removing all kind of existing treatment by chiseling/ mechanically etc from the roof slab, parapet wall and other affected area by cutting edges, cleaning the dismantled portion with wire brush etc to make the surface remove from dust, dirt and other foreign particle etc and removing debris 50 mtr from site all as specified by engineer-in-charge m&l 20 mm thick screed bed plaster on rcc roof slab with cm ( 1:4 ) including water proofing compound @ 200ml per 50 kg cement bag shall be carried out as specified. (note wpc shall be measured and paid separately) supply only integral water proofing compound demolition of cement concrete of any description and in any position, sunken floor /roof padding etc not otherwise specifically provided for complete all as directed. m&l for providing pcc (1:2:4) type, b-0 (using 12.5 mm graded stone aggregate) 40mm thick as in roof padding /sunken floor and similar work all as specified and directed. m&l for applying a coat of cold bit