Details: dismantling existing gypsum false ceiling board including disposal of unserviceable material and stacking of serviceable material with in 50 meters lead as directed by engineer-in-charge. dismantling gypsum false ceiling board including existing frame work including disposal of unserviceable material and stacking of serviceable material with in 50 meters lead as directed by engineer-in-charge. providing and fixing false ceiling at all height including providing and fixing of frame work made of special sections, power pressed from m.s. sheets and galvanized with zinc coating of 120 gms/sqm (both side inclusive) as per is : 277 and consisting of angle cleats of size 25 mm wide x 1.6 mm thick with flanges of 27 mm and 37mm, at 1200 mm centre to centre, one fixed to the ceiling with dash fastener 12.5 mm dia x 50mm long with 6mm dia bolts, other of cleat fixed to the angle hangers of 25x10x0.50 mm of required length with nuts & bolts of required size and other end of angle hanger fix
Sector: Museums