13.78

Providing & laying integral cement based water proofing treatment including preparation of surface as required for treatment of roofs, balconies, terraces etc consisting of following operations: (a)Applying a slurry cost of neat cement using 2.75 kg/sqm. of cement admixed with water proofing compound conforming to IS. 2645 andapproved by Engineer- in- charge over the RCC slab including adjoining walls upto 300mm height including cleaning the surface before treatment.(b) Laying brick bats with mortar using broken bricks/ brick bats 25mm to 115mm size with 50% of cement mortar 1:5 (1 cement :5 coarse sand) admixed with water proofing ompound conforming to IS: 2645 and approvedby Engineer-in-charge over 20mm thick layer of cement mortar of mix 1:5 ( 1 cement L5 coarse sand) admixed with water proofing compound conforming to IS :2645 and approved by Engineer.