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1 2012 Oklahoma Minimum School Bus Specifications The effective date of this document will be September, 29 2012. At that time all new school buses sold in Oklahoma will have to comply with the minimum specifications provided here. This document does not require a retrofit of existing buses, but used buses manufactured after the effective date will have to meet this standard. AIR CLEANER A. A dry element air cleaner shall be provided. B. All diesel engine air filters shall include a latch-type restriction indicator that retains the maximum restriction developed during operation of the engine. The indicator should include a reset control so the indicator can be returned to zero when desired. AISLE All emergency exit doors shall be accessible by a 12-inch minimum aisle. The aisle shall be unobstructed at all times by any type of barrier, seat, wheelchair or tie-down, unless a flip seat is installed and occupied. The track of a track seating system is exempt from this requirement. A flip seat in the unoccupied (up) position shall not obstruct the 12-inch minimum aisle to any side emergency exit door. AXLES The front and rear axle and suspension systems shall have a gross axle weight rating (GAWR) at ground commensurate with the respective front and rear weight loads of the bus loaded to the rated passenger capacity. BACK-UP WARNING ALARM An automatic audible alarm shall be installed behind the rear axle and shall comply with the published Backup Alarm Standards (SAE J994b), providing a minimum of 112 dBA, or shall have a variable volume feature that allows the alarm to vary from 87 dBA to 112 dBA sound level, staying at least 5 dBA above the ambient noise level. BRAKES: GENERAL A. The chassis brake system shall conform to the provisions of FMVSS Nos. 105, Hydraulic and Electric Brake Systems, 106, Brake Hoses, and 121, Air Brake Systems, as applicable. B. The anti-lock brake system (ABS), provided in accordance with FMVSS No. 105, Hydraulic and Electric Brake Systems or No. 121, Air Brake Systems, shall provide wheel speed sensors for each front wheel and for each wheel on at least one rear axle. The system shall provide anti-lock braking performance for each wheel equipped with sensors (Four Channel System). C. All brake systems shall be designed to permit visual inspection of brake lining wear without removal of any chassis component(s).
|Okla State Agency||
Education, Oklahoma State Department of
|Okla Agency Code||
|Title||2012 Oklahoma minimum school bus specifications.|
Oklahoma. State Department of Education.
|Publisher||Oklahoma State Department of Education|
|Purpose||The effective date of this document will be September, 29 2012. At that time all new school buses sold in Oklahoma will have to comply with the minimum specifications provided here. This document does not require a retrofit of existing buses, but used buses manufactured after the effective date will have to meet this standard.|
|OkDocs Class#||E2135.5 M665s 2012|
|Digital Format||PDF, Adobe Reader required|
|ODL electronic copy||Downloaded from agency website: http://ok.gov/sde/sites/ok.gov.sde/files/MinBusSpecs.pdf|
|Rights and Permissions||This Oklahoma state government publication is provided for educational purposes under U.S. copyright law. Other usage requires permission of copyright holders.|