Seating Ht in mm (± 10mm) 460, (Depending upon the curve & layout),
Understructure:- Vertical legs are made of MS ERW tube of size 75 x 25 x 2 mm thick rectangular tube with 5 mm thick HR brackets as per IS. Sturdy anchoring by anchor bolts on to base of 2 mm thick Formed pedestal bracket for proper resting of leg. Top support bracket made up of 2mm thick CRCA sheet, welded with vertical leg pipe. Modesty horizontal support member of frame is to be made from combination of MS ERW tube section (IS: 7138) of size 80x40x2.5 mm thick rectangular tube Assembly is powder coated with epoxy Polyester. Horizontal Members & Vertical Legs has been joint with round pin for flexibility.
Seat/back:- Support structure Material of seat and Backrest made of 8 mm Thick Plywood, upholstered with polyurethane, mechanism to operate with dead weight.
Seat understructure is to be made from a combination of welded fabricate structure of 5 mm thick HR Sheet and 8 mm thick plywood with molded PU Foam of density 55 Kg/cu. Mtr. On the top, which is covered with stitched upholstery made of leatherite.Seat assembly is to be covered at the bottom side with seat cover made of polypropylene. Structure being epoxy powder coated min 40-45 micron thickness. Width of seating in mm (± 10 mm) 550, Height of Seat in mm (±10 mm) 460, Width of backrest in mm (±5mm) 470, Height of backrest in mm (±5mm) 470,(Depending upon the layout may vary).
Handle:- Side handrest made of 3 mm thic CRCA sheet welded with vertical tube. Sides covered with 18 mm thick PLPB. Covers are fitted by high strength PVC Dowel in PVC Insert with transition fit.
Modesty- Made of 25 mm thick pre-laminated twin board of E-1 P2 grade and approved shade conforming to IS all the edge of modesty are provided with machine pressed 2 mm thick pvc edgeband with hot melt glue.
Finish- All steel components are epoxy powder coated followed by seven tanks anti corrosion treatment of surface.
Note:- Floor must be minimum 100mm thick RCC slab to grout the desk or otherwise written confirmation on deviation should be taken, as regard to floor.
Steps depth must be as per layout – deviations must be discussed and written consent is must in this regard before placing the order.