PROVN OF FALSE CEILING IN CERTAIN WARDS AND DEPOTS OF CH (NC) MAINT BLDG UNDER GE (UTILITIES) UDHAMPUR

Providing & fixing false ceiling at all heights with semi perforated 12 mm thick Beveled micro Tegular edged GRG false ceiling tiles GRG (Glass Fibre Reinforced Gypsum) false ceiling tiles of Size 295x1195 mm of approved texture, design and patterns having moisture content less than 2%, humidity resistance of 99%, NRC0.50 to 0.75 as per IS 8225:1987, Noncombustible as per BS 476 (part 4)-1970 and light reflectance of 85% (minimum) to be laid in true horizontal level suspended on inter-locking metal T-Grid of hot dipped galvanized iron section of 0.33mm thick (galvanized @120gsm including both sides) comprising of main-T runners of size 15x32 mm of length 3000 mm, cross - T of size 15x32 mm of length 300 mm and to form grid module of size 300 x1200mm, suspended from ceiling using galvanized 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 up to 1000 mm length fixed at every 1200x300mm with L-shape level adjuster of size 85x25x2 mm. Galvanized iron perimeter wall angle of size 24x24x0.40 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 40 mm long dry wall wood screws.

The work shall be carried out as per specifications, drawing and as per directions of the Engineer-in-Charge. Includes precision drilling and cutting for all electrical light fixtures, AC diffusers, fire mockups, and MEP cutouts as directed.

M&L for designing, providing fabricated assembling and erection of pre stressed special Arch membrane roofing structure with MS tubular frame work (As per IS structural steel) in desired profile as per conceptual drawing with type II precontraint as per manufacturing and supplying standards by serge Ferrari/vesrseidag/Sioen. The membrane should confirm to the manufacturring and supplying standards by being pre streched in both weft and weft direction manufacturing to platform bet dyanamic stability in both warp and srap direction with approved installaers and manufactur for Arch roofing with and atleast two executed job refrence in the connection. The fabric must be of HT polyster yarns 1100D tex coated with uniform 230 micron PVC coating over the polyster yarn. The top quote over the PVC must be of height concertation with easy clean availability and superior white pigmantation of the membrane. the dimensional stability of the fabric should be measure as per elongation test of 24 hrs 10 DAN/5cm which should confirm <1%-<1%(EN15977) and residual elongation should confirm <0.4%-0.4% (EN15977) ensuring dimensional stablity in both weft and wrap direction, minmum weight should be 900 to 950 gm per sqm ( EN ISO 2286-2) 4200/4000N/ 50mm (EN ISO1421) and tear strength of 550/500N (DIN53363)

Srl Item No. 2 Contd/----- and with a guarantee of 10 yrs (with non dereciated guarantee for first three yrears) from manufacturer, pole to pole spacing of fabric should be as Arch drg, Plan area of covering used for cantilever car parking chargeable area will be fabric surface area including the measurement of the fitting used for fixing the civil drawing of foundation will be provided by the supplier and the foundation if any shall be made by contractor 2 (a) Measurement for payment shall be taken as tensile febric area. The wind pressure report alongwith foundation drawing shall be provided by the contractor for approval of GE before execution of work. Minimum design criteria of structure : Round pipe pillar 250mm dia, Rafter round 125 mm dia connecting Rafter pole to pole 125mm dia cantilever round/ purlin 75 mm dia base plate 450x550 mm not exceeding 1m c/c, SS plate Nd 25 mm dia nut bolt GI wire rope for fabric, Deco primer and paint 900 GSM Sione white fabric, pole to pole distance 3.35m. Clear height is minimum 3.00m, excavation pit size 1.2m x1.2mx 1.5 m, lean concrete 150 mm thick (1:4:8) type D2 for col footing, 20 mm dia TT bar in footing and base column at spacing 100mm centre to centre and also refer IS:456 considering wind pressure structural design, foundation of RCC M-30 (Design Mix) all catered work is deemed to be included in unit cost.

Aluminium (Die cast) body door closer hydraulically regulated, designation No. 3, universal type, suitable for door shutters of 851 to 1000 mm in width and of weight between 61 to 80 kg cast iron body complete all as specified and as directed.

S&F 12.5 mm thick plain Moisture Resistant gypsum board false ceiling with GI frame work including necessary driling cutting to electrical items as under (a) GI sheet channel 30x25x20mm 24 gauge fixed with rawl plug and screw 450mm centre to centre alongwith perimeter of wall. (b) GI sheet channel made to shape 50x40x40mm of 24 gauge placed @ 600mm centre to centre from perimeter of wall except long wall ( in one span) (c) GI sheet intermediate runners of size 45x10x10 mm of 24 gauge fixed @1200mm centre to centre leaving frame of one side wall (other span) (d) GI sheet 25mm wide & 20mm gauge suspenders fixed with steel fastners to ceiling @ 1200 mm centre to centre incl plugging in RCC slab (e) Fixing of 12.5 mm thick designer gypsum boards filling joints using water-resistant jointing compound, finished with POP & finishing complete with two coats of oil plastic emulsion paint over one coat of priimer on ceiling complete all as per specified and directed.

Point wiring for one light/ fan/bell point controlled by one switch using 1.5 Sq mm FRLSH copper conductor cables (multistanded) PVC insulated and unseathed in and including PVC concealed conduit as per site requirement (size not less than 20mm dia), medium grade with Modular sunken boxes & PVC/Metal back plate for mounting modular type switches, sockets & regulators etc with cover plate modular type including supplying and laying PVC insulated and stranded unsheathed 1100 volts coppper conductor cable 1.5 Sq mm as earth wire connected to earth dolly including cutting of chases in wall / ceiling etc and making good the disturbed surfaces match to existing with cement mortar and putty white/ colour wash complete all as directed.

Modular white cover plate with frame 2 module, complete all as specified and as directed.

Modular switch one way, 6 Amps, 1 Module, complete all as specified.

Supply and fixing LED luminaire 600 mmx600 mm,35/36 watt, 220 V AC recessed type with high efficiency PMMA diffuser soft glare free light complete with driver, holders, POP mounting Spring Clip Kit and LED Lamp suitable for roof ceiling including connecting up with driver three core flexible copper conductor cases of suitable size complete all as specified and directed.