tender for govt secretariat providing false govt secretariat providing false ceiling and other civil works in north committee room and common passage of 4th floor north block providing false ceiling and other civil works in norh committee room 2025 26 general civil work - general- govt secretariat providing false ceiling and other civil works innorth committee room and common passage of 4th floor-north block-providing false ceiling and other civil works in norh committee room 2025-26-general civil work sl. no. item description 1 north committee room -false ceiling work 2 15.57:dismantling aluminium / gypsum partitions, doors, windows, fixed glazing and false ceiling including disposal of unserviceable surplus material and stacking of serviceable material with in 50 metres lead as directed by engineer - in-charge 3 12.58.1:providing and fixing tiled false ceiling of approved materials of size 595x595 mm in true horizontal level, suspended on interlocking metal grid of hot dipped galvanized steel sections (galvanized @ 120 grams/ sqm, both side inclusive) consisting of main t runner with suitably spaced joints to get required length and of size 24x38 mm made from 0.30 mm thick (minimum) sheet, spaced at 1200 mm center to center and cross t of size 24x25 mm made of 0.30 mm thick (minimum) sheet, 1200 mm long space between main t at 600 mm center to center to form a grid of 1200x600 mm and secondary cross t of length 600 mm and size 24x25 mm made of 0.30 mm thick (minimum) sheet to be interlocked at middle of the 1200x600 mm panel to form grids of 600x600 mm and wall angle of size 24x24x0.3 mm and laying false ceiling tiles of approved texture in the grid including, required cutting/making, opening of services like diffusers, grills, light fittings, fixtures, smoke detectors etc.main t runners to be suspended from ceiling using gi slotted cleats of size 27 x 37 x 25 x 1.6 mm fixed to ceiling with 12.5 mm dia and 50 mm long dash fasteners, 4 mm gi adjustable rods with galvanized butterfly level clips of size 85 x 30 x 0.8 mm spaced at 1200 mm center to center along main t, bottom exposed width of 24 mm of all t-sections shall be pre-painted with polyester paint, all complete for all heights as per specifications, drawings and as directed by engineer-in-charge.8 mm thick fully perforated calcium silicate board made with calcareous & siliceous materials reinforced with cellulose fiber manufactured through autoclaving process to give stable crystalline structure with minimum compressive strength 225 kg/ sq. cm, bending strength 100 kg/sq. cm, of size 595x595 mm, having perforation of dia, 10 mm with minimum perforated area 18% with non woven tissue on the back side, having an nrc (noise reduction coefficient) of 0.85, with 50 mm thick rockwool of 48 kg/cum backing. 4 od208600/2024-2025:providing and fixing tiled false ceilling of approvedmaterials .gi metal tile lay- in plain tegular edge global white color tiles of size 595x595 mm and 0.5 mm thick 5 od208607/2024-2025:supplying fabricating & fixingacp sheet with necessarycutting in required size and shape using weather sealent, ss screws, necessary fitting etc. complete(as per 25.7) 6 14.66.1:finish walls with acryllic smooth exterior paint of required shade:old work ( two or more coats applied @ 1.67 ltr/10 sqm) on existing cement paint surface 7 od208619/2024-2025:engaging labour