Name of Work: Epoxy coating in UPH at HURL Barauni
Sl. No.
Item Description
1
Surface Preparation:- Preparing the existing surface of floor by light grinding / Scarification and cleaning by wire brushing etc, to remove all dirt, dust, oil etc to expose clean sound base concrete substrate. Repair heavy undulated area with Polymer modified repair mortar. Ensuring that the area is completed the application and finishing shall be as per manufacturer\"s specification and as directed by the EIC cost inclusive of supply, application, labor, equipment.
2
Application of Cementious underlay along with primer(5mm minimum):- Providing & application of wear resistant floor refurbishment system cementitious screed in a single component pre-blended dry mortar comprising of Cement, Graded high strength aggregates and performance polymers, which needs only potable water addition. The work includes surface repair & resurfacing with cementitious screed (5mm minimum) includingapplication of bond coat as primer on clean dry concrete surface, laying mixed material on tacky primer coat, between guides of average 5 mm thickness, spreading material uniformly, floating the surface using power trowel and Moist curing for 1 Day.
3
Application of primer and Epoxy underlay:- Providing and application of primer and providing and applying the High strength Epoxy Self Smoothing Flooring as an epoxy underlay at a Thickness of 2.5 mm on the designated area.
4
Application of Epoxy-novolac-based coating:- Providing and applying solvent free, highly crosslinked, high build epoxy-novolac-based coating supplied, having solid content 100%, specific gravity 1.35, Tensile Strength 30 MPa as per ASTM D638, Flexural Strength 30 MPa as per ASTM C580, Compressive strength 85 MPa as per ASTM C579, Shore D Hardness > 70 as per ASTM D2240, Abrasion resistance : <0.10 mg/cycle (1kg, CS10 Wheels) as per ASTM D4060, and shall achieve 500 microns DFT in two coats. The cured film shall have excellent chemical resistance in pH ranging from 1-14 at 25°C. Item rate is inclusive of materials all labour, tools and tackles, surface preparation and cleaning of concrete surface, and transportation etc. complete as per specification and as directed by EIC.
5
Application of Epoxy Painting:- Providing and applying solvent free, highly crosslinked, high build epoxy-novolac-based coating such as inclusive of removing existing epoxy painting coating/OBD and the like by scrapping, sand papering and preparing the surface smooth including necessary repairs to scratches etc., application of epoxy novalac based primer and shall achieve 500 microns DFT in two coats. The cured film shall have excellent chemical resistance in pH ranging from 1-14 at 25°C. Item rate is inclusive of materials, scaffolding, all labour, tools and tackles, surface preparation and cleaning of concrete surface, and transportation etc. complete as per specification and as directed by EIC.
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