Tender For Tender Providing Epoxy Flooring At Hangar At Ai Engineering Services Ltd., Igi Airport, New Delhi.

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Tender For Tender Providing Epoxy Flooring At Hangar At Ai Engineering Services Ltd., Igi Airport, New Delhi. 1.0 Substrate Requirements: Concrete or screed substrate should be a minimum of 25N/ mm2, free from laitance, dust and other contamination. The substrate should be surface dry and moisture shall be < 5%, and free from rising damp and ground water pressure and Grinding the surface , Cutting the cracks in V groove if required and clean the dust with vaccum. 3,400 approx . sqm 1.1 Primer Coat : Providing and applying over the prepared concrete 1.2 Epoxy Under lay :- Providing and applying 2.4 mm thick Epoxy underlay over the primed substrate using high quality product system with following capability -satin finish, self-smoothing, Non-tainting and non-dusting, Hard-wearing, Abrasion resistant, High chemical resistance grade available . -shall be laid at using notch tools followed by spike roll to release all entrapped voids and the fully cured topping shall exhibits the typical properties as mentioned in the technical specification on the performance criteria and complete strictly following the coverage and methodology. 1.3 Supply mixing and applying a EPU Coat with following characteristics -self-smoothing Epoxy PU resin floor finish applied at 1.2 mm thickness over the Epoxy underlay. -Notch shall be used to spread the mixed Epoxy PU followed by the spike rolling to release the entrapped air, the cured topping shall attain the following properties. Complete as per the manufacturer instruction. Fill data Physical properties/ Technical Data. Drying Time Surface Dry : _____________ Hard Dry : _____________ Full Cure : ____________ Mixing Ratio (by weight) Base : Hardener : Aggregate Shade- Light Shade with provision for Inbuilt Marking is preferred Pot life __________ Typical Strength (Fill Data) Compressive Strength (ASTM C 579) 72 MPa __________ Flexural Strength (ASTM C 580) 32 MPa __________ Tensile Strength (ASTM C 307) 18 MPa __________ Dry film thickness (DFT) is the thickness of a coating as measured above the substrate. This can consist of a single layer or multiple layers. DFT measures the total (not the individual layers). DFT is measured on cured powder coatings at ambient temperature.