Water proofing treatment to GCL (2nd floor) roof terrace and ramp at CSIR-IICT, Hyderabad.

Brick work with non modular fly ash bricks conforming to IS:12894, class designation 10 average compressive strength in super structure above plinth level up to floor V level in : Cement mortar 1:4 (1 cement : 4 coarse sand)

Providing of 12 mm cement plaster of mix : 1:4 (1 cement: 4 fine sand)

Providing and laying APP (Atactic Polypropylene Polymer) modified prefabricated five layer, 3 mm thick water proofing membrane, black finished reinforced with glass fibre matt consisting of a coat of bitumen primer for bitumen membrane @ 0.40 litre/sqm and application of bitumen tar 80/25 0.50kg /sqm by the same membrane manufactured of density at 25°C, 0.87 - 0.89 kg/litre and viscocity 70 - 160 cps. Over the primer coat the layer of membrane shall be laid using butane torch and sealing all joints etc., cost including the refelective coat of silver shield paint on thetop surface of the bitumen sheet of APP membrane Two coats and preparing the surface complete. The vital physical and chemical parameters of the membrane shall be as under : Joint strength in longitudinal and transverse direction at 23°C as 350/300 N/5 cm. Tear strength in longitudinal and transverse direction as 60/80N. Softening point of membrane not less than 150°C. Cold flexibility shall be upto -2°C when tested in accordance with ASTM, D - 5147. The laying of membrane shall be got done through the authorised applicator of the manufacturer of membrane : 3 mm thick

Half brick masonry with non modular fly ash bricks of class designation 10, conformingio IS :12894, in super structure above plinth and upto floor V level. Cement mortar 1 : 4 (1 cement : 4 coarse sand)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:2:4 (1 Cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

Cutting tiles work in floors and roofs,steps,landing laid in cement mortar including stacking material outside the IICT campus to the approved GHMC grounds all lead and lift as per the direction of Engineer - in - charge..For thickness of tiles above 25 mm and up to 40 mm

Providing and applying white cement based putty of average thickness 1 mm, of approved brand and manufacturer, over the plastered wall surface to prepare the surface even and smooth complete. (External wall putty) Asain make

Applying priming coats with primer of approved brand and manufacture, having low VOC (Volatile Organic Compound ) content.With water thinnable cement primer on wall surface having VOC content less than 50 grams/litre (External wall primer Asain make

Finishing walls with Premium Acrylic Smooth exterior paint with Silicone additives of required shade Old work (Two or more coats applied @ 1.43 ltr/ 10 sqm) over existing cement paint surface and removing existing water proofing cement paint and the like by scrapping, sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete as directed by Engineer incharge. Apex asain make

Wall painting with acrylic emulsion paint, having VOC (Volatile Organic Compound ) content less than 50 grams/ litre, of approved brand and manufacture two coats, including applying additional coats wherever required, to achieve even shade and colour. removing of loose paints by scraping the damage surface of paints. Applying priming coats with primer of approved brand and manufacture, having low VOC (Volatile Organic Compound ) content. Providing and applying white cement based putty of average thickness 1 mm, of approved brand and manufacturer, over the plastered wall surface to prepare the surface even and smooth complete.