ABSTRACT OF COST (CPWD FORMAT) Sl. No. Description of Item Unit Qty Rate (₹) Amount (₹) 1 Providing and fixing factory made steel window/ventilator of mild steel box type hollow section frame and shutters, double shutter type (one glazed and one gauged), including fittings, painting, glass, wire mesh, hold fasts, PCC bed blocks and dismantling […]
Topic NFPA 80 (USA) IS 3614:2021 (India) Common Points Key Differences Scope Covers fire doors, shutters, dampers Covers fire doors, doorsets, frames, sliding & rolling shutters Both regulate fire door safety IS has broader scope; NFPA includes dampers Fire Rating Integrity only Integrity + Insulation (min 30 min) Both require integrity testing IS requires insulation; […]