- (a) Auxiliary fans shall meet the following requirements: 1. Fans for left and right sides shall be placed in a location where they can be adjusted for maximum effectiveness and where they do not obstruct vision to any mirror. Note: Type A buses may be equipped with one (1) fan. 2. Fans shall be of six (6) inch nominal diameter.3. Fan blades shall be covered with a protective cage. Each fan shall be controlled by a separate switch.
- (b) The bus body shall be equipped with a suitably controlled ventilating system of sufficient capacity to maintain proper quantity of air under operating conditions without having to open windows except in extremely warm weather.
- (c) Static type, non closeable exhaust ventilation shall be installed in a low pressure area of the roof.
- (d) Roof hatches designed to provide ventilation in all types of exterior weather conditions may be provided.
(Adopted effective May 2, 2007)