The Bed frame should be made up of 18G CRCA sheet double bend of height 50 mm x 25 mm. Flange reinforced with channel welded along the length width wise. Frame should be supported by four angles stiffener of 35mm x 35mm x 3mm thick uniformly embossed holes from 25mm to 15mm dia and embossing depth of 4mm in two rows & distance between holes should be 250mm apart.
Head & Leg end bows should be made up of 31.75mm diameter CRCA ERW tube of 18G with height of 1060mm one horizontal support of 25.4mm dia and seven vertical support of 15.80mm dia x 18 g erw tubes & 125 mm dia heavy duty castors should be provided two with brakes & arrangement to hold mosquito curtain poles.
Full length drop side railing of 19.05 mm diameter 18G CRCA tube & 13 no’s vertical support of 9.5 mm dia and two 12.5 mm dia stainless steel sliding rods and knob to lock railing.
All components should be pretreated in separate eight tank process for better finish, good adhesion and corrosion protection. Process includes Hot Degreasing, Derusting, Activation, Phosphating & No’s of Water rinses as per IS 3618 - 1966 class ‘C’ type and then pretreated materials is coated with epoxy powder with film thickness of 60 microns (approx.) and then oven baked at 180 degree centigrade.