Section 3(12) in Technical Specifications of HVAC Ordinary Bus
12.0Panelling.- 12.1 The bus exterior side panels shall be fitted with stretched steel sheet at waist level. The exterior front-end, panelling shall be of steels roof, rear and skirt paneling shall be of alumnium. Roof, exterior paneling shall be suitably provided with platforms for movement of technicians for repair and maintenance of roof mounting systems to avoid direct load on roof alumnium panelling. The platform shall be fitted to roof structure with proper reinforcement. All interior paneling shall be Acrylonitrile Butadiene Styrene (ABS) conforming to relevant National or International Standards. Wherever alumnium is joined with steel or with any dissimilar metals together, the involved joints shall be treated with thick layer of approved quality dielectric paint conforming to relevant Indian standards, before assembly. Adequate treatment be also provided to avoid any incidence of galvanic corrosion between dissimilar metals. Panels shall be so mounted as to present smart aesthetic exteriors.
