tender for annual rate contract for the providing and fixing false ceiling gipson board, pvc false ceiling , providing and fixing flase ceiling gipson board, pvc fall ceiling , providing and fixing false ceiling of 12mm thick as per drawings including powder coated g.i. wall angle of 20mm x 20mm size, g.i. grid runners of size 20mm x 38mm at 600mm center to center both ways and suspended using g.i. 3mm wire including fixing using butterfly clips and fasteners including transporting, scaffolding all necessary labour andmachinery, finishing etc. complete. , providing and fixing p.v.c false ceiling with frame of m.s. angle 40 x 40 x 5 mm and tee of size 40 x 40 x 6mm at 60 cm c/c including 12 mmdia. hangers, t.w. battens 50 x 25 mm and beading 25 x 15 mm thickscaffolding if necessary, all iron work etc. complete. , providing and fixing in position gypsum board false ceiling with 12.5 thick gypsum board, scrweed/fixed to the under strucuture of suspended g.i. grid constructed and suspended from the main ceiling consistisng of ceiling section of size 25x50mm maxmimum center to center distance of 600 milimeter perimter channla and intermeditate channels at maximum to center to center distance 1200 milimeters aalvanized grid should fixed to galvanized iron gird with necessary screws. the board should be taped and filled from underside to give smooth seamless ceiling. the rate should includ necessary additional ceiling sections and intermediate channels, addiitibnal intermeiate channls should be fixed to strap hangers for additional support to prevent strapping at every 1200 milimeter item to be completed in all repect including necessary sleevs for ducts fininshing fo joints cut out painting including labour , material lifts etc.