bids are invited for repair, maintenance, and installation of plant/ systems/equipments (version 2) - as per specification documents; as per specification documents; service provider repair & renovation work of ground floor conference hall at nvda narmada bhawan, bhopal 1 15.49 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 meters lead as directed by engineer-incharge. 483.70 sqm. 2 12.78 providing and fixing false ceiling at all heights with 15 mm thick integral densified micro look edged non- cementitious light weight calcium silicate false ceiling tile reinforced with fibre and natural filler falseceiling tiles of size 595x595 mm of approved texture, design and patterns having nrc (noise reduction coefficient) of 0.50 (minimum) as per is 8225:1987, light reflectance of 85% (minimum). non combustible as per bs:476 (part- 4), fire performance as per bs:476 (part 6 &7), humidity resistance of 100%, thermal conductivity < 0.043 w/m k as per astm 518:1991, in true horizontal level suspended on interlocking metal powder coated tgrid of hot dipped galvanised iron section of 0.40 mm thick on silhouette profile,rotary stiched double webbed white with 6mm reveal profile (white/black), comprising of main-t runners of size 15x42mm of length 3000 mm, cross - t of size 15x42 mm of length 1200mm and secondary intermediate cross- t of size 15x42 mm of length 600mm to form grid module of size 600 x 600 mm, suspended from ceiling using galvanised mild steel items (galvanizing @ 80 grams per sqm) i.e. 50 mm long, 8 mm outer diameter m-6 dash fasteners, 6 mm dia fully threaded hanger rod upto 1000 mm length and l-shape level adjuster ofsize 85x25x2 mm. galvanised iron perimeter wall angle of size 22x19x0.40 mm of length 3000 mm to be fixed on periphery wall / partition with the help of plastic rawl plugs at 450 mm center to center and 40mm long dry wall s.s screws. the work shall be carried out as per specifications, drawing and as per directions of the engineer-in-charge. 483.70 sqm. 3 15.11 dismantling tile/ kota stone/ marble / granite work in floors/walls and roofs laid in cement mortar including stacking material within 50 metres lead. 15.11.1 for thickness of tiles 10 mm to 25 mm. 91.56 sqm. 4 11.60 providing and fixing 10mm thick acid and/ or alkali resistant tiles of approved make and colour using acid and/ or alkali resisting mortar bedding and joints filled with acid and/ or alkali resisting cement as per is : 4457 complete as per the direction of engineerin- charge. 11.60.1 in flooring on a bed of 10 mm thick mortar 1:4 (1 acid proof cement: 4 sand) acid and alkali resistant tile. 36.29 sqm. 11.60.2 in dado/skirting on 12 mm thick mortar 1:4 (1 acid proof cement: 4 sand).acid and alkali resistant tile. 91.56 sqm. 5 17.68 providing and fixing mirror of superior glass (of approved quality) and of required shape and size with plastic moulded frame of approved make and shape with 6 mm thick hard board backing. 17.68.4 rectangular shape 1500x450 mm 5.00 each 6 18.13 providing and fixing cpvc gate valve with knob of approved quality. 18.13.1 25 mm nominal bore