Tamil Nadu Urban Habitat Development Board Tender

Dismantling the damaged pressed tiles with weathering course without causing any damages to the existing structure under repair and to the adjacent structure etc., complete in all respects as directed by the departmental officers.

Providing and Applying high perfomance solar reflective & Acrylate silicon based Waterproofing coating which is single component, cold applied, water based acrylic and UV resistant water proofing treatment to the Existing Roof screed surface applied @ 1.5 l/m2 in 3 coats to achieve 1mm DFT, having tensile strength 2N/ mm2 confirming to ASTM D 412; Elongation at break ≥ 200%, Abrasion resistance 21mg confirming to ASTM D 4060 and Crack bridging ability up to 2 mm, including surface preparation, priming the surface with 1 coat diluted with water in the ratio 2:1 spreading @ 0.125 L/m2 as self-priming coat in the SSD condition and eading 45 gsm glass fibre mesh of 2.5 mm x 2.5 mm sandwiched between the first and second coat completely as per specification. The finished cost to include surface preparation, making coving at unction, treatment of cracks completely as per ecification. and including cost of materials, labour etc., complete in all respects as directed by the department officers.

Cement concrete 1:2:4 (one of cement, two of sand and four of hard broken stone) using 12mm size hard broken stone as screed concrete over the existing roof slab inclusive of shoring, strutting, bailing out water, ramming, curing, etc complete as directed by the departmental officers.