Section 28(31) in Technical Specifications of HVAC Ordinary Bus
31.0Wind screen-Front and Rear.- Front wind screen in the bus shall be in single piece design, plain/flat with curved corn, PVB film laminated safety glass of minimum thickness of 8.00 mm. Rear windscreen shall be in single piece design, curved with flat in centre toughened glass of thickness of 5.5. mm (+0.3 mm). Windscreen glasses shall meet the requirements of BIS 2553: Part II-1992 or latest and that of CMVR and Bus Code. The glazing used for fitment of glasses shall be Ethylene Propylene Die Monomer (EPDM) rubber of black colour or pasted with adhesive material conforming to Indian/International Standards. A grab handle on the outside of the windshield centre at waist level shall be provided to facilitate manual cleaning of the windscreens.
