Tamil Nadu Generation And Distribution Corporation Limited Tender

Old Terrace tile surface repair with UV Resistant hybrid waterproofing coatingProviding and Applying Polyurethane hybrid liquid applied GRIHA certified Waterproofing coating with flutyne protection technology, single component, cold applied, water based acrylic and UV resistant water proofing treatment to the Existing Roof having Tile or any non-porous surface applied @ 1.5 l/m2 in 2 coats to achieve 1mm DFT, having tensile strength with 45 gsm glass fibre mesh 4N/mm2 confirming to ASTM D 412; Elongation at break ≥ 300% and Crack bridging ability up to 3mm, SRI Index 106 as per ASTM E 1980-01, Water permeability @5 bar – Nil as per EN12390 - 8:2019, including surface preparation, priming the surface with single component high-performance waterborne tile primer which is suitable for non - porous surface at a rate of 0.14 L/m2 and spreading45 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 Junction, treatment of cracks completely as per specification.

Chipping of concrete and roughening the surface for future bonding and thorough cleaning the surface including cost of all lead , lift, labour etc., complete

Supplying ,cutting, bending & tying in position secondary reinforcement whereever necessary using GI weld mesh of size 75x50 mm 10 gauge to the exisating concrete surface prepared as per specification including transporting, fabricating,bending & tying in position as per engineer at site including cost of all materials,labour,lead,lift etc., complete.