Section 3(23) in Technical Specifications of HVAC Ordinary Bus
23.0Passenger Seats.- 23.1 The passenger seats shall be front facing, comfortable, durable and maintenance free and of `PP-LD' (Polypropylene Low Density) moulded construction meeting the performance requirements of AIS023 and other requirements as per the Bus Code. The PP-LD moulded seat shall be appropriately fitted with flame retardant Polyurethane (PU) seat cushion of 25 mm thickness upholstering in waterproof expanded vinyl coated fabric to match the seat and interior decor conforming to relevant BIS/International standards. The seat cushion shall be provided with vent holes appropriately. Similarly, PP-I D moulded seat backrest shall be appropriately fitted with flame retardant Polyurethane (PU) backrest cushion of 10 mm thickness upholstered in waterproof expanded vinyl coated fabric. Suitable integral type seat hand grab rails shall be provided one on top of backrest and one at the back of backrest for seated passengers. However, the seat pitch shall be maintained at 686 mm (minimum).
