A.R and M.O Govt. Sr. Sec. School Chadi Dharan Tehsil Nankhari Distt. Shimla HP.

providing and laying double charges vitrified floor tiles in different sizes (thickness to be specified by the manufacturer) with water absorption less than 0.08% and conforming to IS: 15622, of approved make, in all colours and shades, laid on 20mm thick cement mortar 1:4 (1 cement : 4 coarse sand), joining with grey cement slurry @ 3.3 kg/ sqm including grouting the joints with white cement and matching pigments etc., complete: Size of Tile 600x600 mm

providing and 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 (dillution with water in theratio 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.

Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate) finished with a floating coat of neat cement, including cement slurry, but excluded the cost of nosing of steps etc. complete.