Sec. 13.
(1) A school bus that is equipped with an air brake system shall be equipped with an emergency stopping system designed and constructed to permit modulated control of brake application and release and to prevent release by the driver unless energy is available for reapplication. The air brake system shall be provided with an electrically heated moisture ejector on each air reservoir or shall be provided with an after cooler type air dryer with an electrically heated purge valve. The use of moisture ejectors together with an air dryer is optional. Each air reservoir in the system shall be equipped with a manual petcock valve on the bottom of the tank. If the automatic moisture ejection valve is equipped with a manual drain control or built-in petcock, a separate manual petcock is not required. The air reservoir tanks shall be mounted on the chassis frame with not less than 15 inches of clearance between the ground and the lowest part of the tank or tank component.
(2) A school bus manufactured after July 15, 1982 that has a rated seating capacity of 60 or more passengers is not required to be equipped with an air brake system.
(3) A school bus manufactured before July 7, 1981 may use an air dryer system.
History: 1990, Act 187, Eff. Aug. 15, 1990
Structure Michigan Compiled Laws
Act 187 of 1990 - The Pupil Transportation Act (257.1801 - 257.1877)
Section 257.1801 - Short Title.
Section 257.1803 - Meanings of Words and Phrases.
Section 257.1805 - Definitions; M to S.
Section 257.1807 - Definitions; S, T.
Section 257.1809 - Pupil Transportation; Regulation; Routes; Vehicles and Equipment; Rules.
Section 257.1810 - Transportation of Pupils; Federal Motor Vehicle Safety Standards; Restrictions.
Section 257.1810a - Contract With Motor Carrier; Authorization.
Section 257.1813 - Air Brake System.
Section 257.1815 - Exterior Lamps and Signals on Bus.
Section 257.1819 - Red and Amber Signal Lights; Applicability to New School Buses.
Section 257.1820 - Stop-Arm Camera System.
Section 257.1821 - Windshield Wipers and Washers, Washer Reservoir, and Windshield.
Section 257.1823 - Vision; Mirrors; Sun Shades; Applicability.
Section 257.1825 - Fire Extinguisher; First Aid Kit; Fusees and Reflectors.
Section 257.1827 - Safety Glass; Push-Out Window Sash; Definition.
Section 257.1829 - Fuel Tank or Container; Intake Pipe; Fuel Lines.
Section 257.1831 - Flashing, Oscillating, or Rotating Light; Location; Color; Use; Conditions.
Section 257.1833 - Paint; Applicability.
Section 257.1835 - Repealed. 2006, Act 107, Eff. Aug. 15, 2006.
Section 257.1837 - Repealed. 2006, Act 107, Eff. Aug. 15, 2006.
Section 257.1839 - Inspections.
Section 257.1841 - Rejection; Red Sticker; Yellow Sticker; Reinspection; Passing Sticker.
Section 257.1843 - Inspection of New School Bus; Acceptance of Delivery.
Section 257.1851 - School Bus Safety Education; Training Program.
Section 257.1852 - Repealed. 2006, Act 107, Eff. Aug. 15, 2006.
Section 257.1861 - Speed Limits; Violation; Penalty.
Section 257.1863 - Repealed. 2006, Act 107, Eff. Aug. 15, 2006.
Section 257.1869 - Purchasing School Buses; Rehabilitation of School Buses; Costs; Rules.
Section 257.1870 - Advisory Committee; Establishment; Purpose; Membership; Duties.
Section 257.1871 - Instruction and Training on New Procedures.
Section 257.1873 - Violation as Civil Infraction or Felony; Powers of Motor Carrier Officers.