Details: demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of engineer-in-charge. 1: 3: 6 or richer mix. dismantling old plaster or skirting, raking out joints and cleaning the surface for plaster including disposal of to the dumping ground within 50 meter lead. grading roof for water proofing treatment with water proffing compound cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) providing gola 75x75 mm in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 stone aggregate 10mm and down gauge) including finishing with cement mortar 1:3 (1 cement : 3 fine sand) as per standard design : making khurras 450 x 450mm with average minimum thickness 50mm cement concrete 1 : 2:4 over p.v.c. sheet 1 mtr. x 1 mtr. x 40micron finished with 12mm cement plaster 1 : 3 and one coat of neat cement, rounding edges and making and finishing the out let complete. providing