Water Proofing work of Terrace Sloped Roof slab of the Office lab building at RAC Ooty

Removing existing water proofing layer Carefully removing the existing bitumen water proofing layer at sloped roof slab at ~12 m height and properly manually cleaning and with sharp tools & washing with water etc the terrace area including side / edge of the roof slab without damaging the base slab and disposing the same outside the RAC campus at directed locations.

Water poofing of the terrace (Roof slab) Stage -1 Make the entire surface clean with wire brush and remove all the foreign materials Stage-2 Make the apppriate size "V" groove at major cracks in the concrete surface to create a depth and properly cleaning and washing with water and Providing and apply MYK ARMENT multicrete bonding agent or approved equivalent of m/s FOSROC or M/s Dr Fixit or any other equivalent product as per RAC-NCRA Providing and filling it with MYK ARMENT ARMGROUT-NS-65 and MYK ARMENT INSTAPLUG as per manufacturer's Specifications of M/s MYK ARMENT make or M/s FOSROC or M/s Dr. FIXIT or any other approved equivalent as directed RAC-NCRA After applying above , allowed it to dry Stage -3 For Entire Terrace area First Step : Providing & laying of 45 gsm Fibre Mesh with Acrylic Bonding Agent MYK ARMENT Multicrete or approved equivalent of m/s FOSROC or M/s Dr Fixit or any other equivalent product as per manufactures recommendation / specification & as per the RAC-NCRA . The lapping width between two fabrics should be minimum 100 mm Second Step : Providing & applying one coat of two component MYK ARMENT Ultra Primer as per manufacturer's Specifications of M/s MYK ARMENT make or M/s FOSROC or M/s Dr. FIXIT or any other approved equivalent as directed by RAC-NCRA Third Step : Providing & applying two coats of Single component Polyurethane ( PU) water proofing coating MYK ARMENT WPU Ultra as per manufacturer's Specifications of M/s MYK ARMENT make or M/s FOSROC or M/s Dr. FIXIT or any other approved equivalent as directed by RAC-NCRA

Expansion Joint Treatment Stage-1 Dismantling the existing Cement Concrete laid over the expansion joint manually and disposing the same outside RAC campus at directed location. Stage-2 Cleaning the existing Expansion joint surface properly and make it free from all foreign materials . The approx size of the expansion joint is 20 m ( L) x 20 mm ( w) and 150 mm( depth ) Stage -3 Providing & filling the joint with MYK ARMENT ARMGROUT-NS-65 and MYK ARMENT INSTAPLUG as per manufacturer's Specifications of M/s MYK ARMENT make or M/s FOSROC or M/s Dr. FIXIT or any other approved equivalent as directed by RAC-NCRA. The approx size of the expansion joint is 20 m ( L) x 20 mm ( w) and 150 mm( depth ) Stage-4 Providing & application of two component ( Base and Hardner ) MYK ARMENT TAPE BOND Adhesive over the joint surface of 200 mm width Stage -5 Providing & applying of seal arm tape S-2000 of 200 mm width over applied adhesive surface and press it tightly and allowed to dry and as per manufacturer's specifications Stage -6 Providing & applying two coats of Single component Polyurethane ( PU) water proofing coating MYK ARMENT WPU Ultra over one coat of WPU primer ( two component ) as per manufacturer's Specifications of M/s MYK ARMENT make or M/s FOSROC or M/s Dr. FIXIT or any other approved equivalent as directed by RAC-NCRA

Micro concrete work over expansion joint Providing and laying Micro concrete as per the directed size, shape over the expansion joint MYK ARMENT crete MC of m/s MYK ARMENT or approved equivalent of M/s Fosroc or M/s Dr Fixit of minium Strength of 50 N/mm2 at 28 days and as per manufaturer's specifications including applying Bonding Agent before microconcrete work . The approx size shall be 20 m ( L) X 0.45 m ( w) and average depth 50 mm

KASHYAP CONSTRUCTION (BID ID -3311262)