tender for water proofing treatment work on roff of iic building 3rd floor, sdc.; 1 providing gola 75x75 mm in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 stone aggregate 10 mm and down gauge), including finishing with cement mortar 1:3 (1 cement : 3 fine sand) as per standard design :in 75x75 mm deep chase 2 disposalofbuildingrubbish /malba /similarunserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved. 3 grading roof for water proofing treatment withcement mortar 1:4 (1cement : 4 coarse sand) 4 providingand applying fibre reinforced elastomeric liquid water proofing membrane with resilient acrylic polymers having sun reflectivity index (sri) of 105 on top of concrete roof in three coats @10.76 litre/ 10 sqm. one coat of self-priming of elastomeric waterproofing liquid (dilution with water in the ratio of 3:1) and two coats of undiluted elastomeric waterproofing liquid (dry film thickness of complete application/system not less than 500 microns). the operation shall be carried out after scrapping and properly cleaning the surface to remove loose particles with wire brushes, complete in all respect as per the direction of engineer-in-charge.