Details: periodical inspection, checking various parts, greasing/oiling as required to make the sliding steel door/rolling shutters gear/hand operated/electrical operated for easy and smooth operation all as specified and details of sizes and pattern of the following sizes:- mild steel door of any type area exceeding 05 sqm and not exceeding 30 sqm, complete all as specified and as directed by engineer-in-charge. mild steel door of any type area exceeding 30 sqm and not exceeding 60 sqm, complete all as specified and as directed by engineer-in-charge. rolling shutter hand operated/gear operated/electrically operated of area exceeding 04 sqm but not exceeding 09 sqm, complete all as specified and as directed by engineer-in-charge. rolling shutter hand operated/gear operated/electrically operated of a
Sector: Defense