Nevada Minimum School Bus Standards

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Nevada Minimum School Bus Standards &SpecificationsNevada Department of Education STRIKE 2018 ENDSTRIKE ADD 2019 ADD Page 1 of 107

NEVADA STATE BOARD OF EDUCATION STRIKE 2017-2018 ENDSTRIKE ADD 20192020 ADD Members STRIKE 2016–2017 ENDSTRIKE ADD 2019-2020 ADD Elaine Wynn, PresidentMark Newburn, Vice PresidentFelicia Ortiz add Robert Blakely add strike Pat Hickey endstrike add Tamara Hudson add strike Freeman Holbrook endstrike add Katherine Dockweiler add strike Tonia HolmesSutton endstrike add Dawn Etcheverry Miller add strike Teri Jamin endstrike add Teri White add strike Dave Jensen endstrike add Cathy McAdoo add strike Allison Stephens endstrike add David Carter add strike Victor Wakefield endstrike add Rui Ya Wang add strike Samantha Molisee endstrike ,Student RepresentativeVISION STATEMENTAll Nevadans ready for success in the 21st CenturyMISSIONTo improve student achievement and educator effectiveness by ensuringopportunities, facilitating learning, and promoting excellence.PURPOSENRS 385.075 requires the State Board establish policies to govern theadministration of all functions of the State relating to supervision,management, and control of public schools not conferred by law on someother agency. NRS 392.380 requires the State Board adopt regulations forschool bus driver qualifications and training. The Nevada School Bus DriverTraining Manual is the State Board of Education approved training documentfor all school bus drivers in Nevada. The manual was approved during the add August 29, 2019 add strike July 13, 2017 endstrike NevadaState Board of Education meeting.Page 2 of 107

INTRODUCTIONThe purpose of the State of Nevada Minimum School Bus Standards &Specifications is to provide state transportation personnel with minimumschool bus standards/specifications for all new buses purchased by a district,charter, or private school in Nevada. The Nevada Minimum School BusStandards & Specifications utilize the add Federal Motor Carrier SafetyAdministration (FMCSA) add strike (FMVSS) endstrike and the2015 National School Transportation Specifications and Procedures. strike (which was revised during the National Congress on SchoolTransportation (NCST) in Des Moines, Iowa in May of 2015. endstrike Used school buses purchased in Nevada must meet the minimum School BusStandards established the year the bus was manufactured, add with someexceptions. add strike Minimum school bus standards are strictly regulated by the FederalMotor Vehicle Safety Standards (FMVSS) and all new buses manufacturedmust meet these minimum standards. endstrike The Nevada School Bus Standards & Specifications was approved by theNevada State Board of Education, in accordance with NRS 386.830 strike which requires any new school bus purchased during the July 13,2017 endstrike All Nevada School transportation personnel are required to adhere to thesestandards when purchasing new school buses in Nevada. These minimumstandards are utilized by the Nevada Highway Patrol when inspecting newschool buses as required by NRS 386.830.It is the intent of these specifications to accommodate new technologies andequipment that strike will better facilitate strike add would enhancethe safety of students being transported add strike transportation ofstudents. endstrike New technologies and equipment are acceptable ifthey do: strike not compromise the effectiveness or integrity of anyFMCSA mandated safety systems and does: endstrike 1. Not compromise or modify the effectiveness or integrity of any majorFMVSS safety standard system. (Examples of safety systems include,but are not limited to, compartmentalization, the eight-lamp warningsystem, emergency exits, and the approved color scheme.)2.3. Not diminish the safety of the bus interior.Page 3 of 107

4. Not create additional risk to students who are boarding or exiting thebus or are near the school bus loading zone.5. Generally increase efficiency and/or safety of the bus, generally providefor a safer or more pleasant experience for the occupants andpedestrians in the vicinity of the bus, and/or generally assist the driverand makes his/her many tasks easier to perform.Page 4 of 107

Table of ContentsNEVADA STATE BOARD OF EDUCATION . 2 STRIKE 2017-2018 ENDSTRIKE ADD 2019-2020 ADD Members . 2 STRIKE 2016–2017 ENDSTRIKE . 2VISION STATEMENT . 2MISSION . 2PURPOSE . 2INTRODUCTION . 3School Bus Types . 9Body and Chassis Specifications . 11Air Cleaner . 11Aisle . 11Axles . 11Back-Up Warning Alarm . 11Brakes: General . 11Brakes: Hydraulic . 12Brakes: Air . 12Bumper: Front . 13Bumper: Rear . 13Certification . 14Color . 14Construction . 15Crossing Control Arm . 16Defrosters . 17Doors . 17Drive Shaft . 18Electrical System . 18Emergency Equipment . 23Exhaust System . 29Fenders: Front . 30Fire Suppression Systems . 30Floors . 31Frame . 31Fuel System . 32Governor. 32Page 5 of 107

Handrails . 33Heating System . 33Heating and Air Conditioning Systems . 33Hinges . 38Horn . 38Identification . 38Inside Height . 40Instruments and Instrument Panel . 40Insulation . 42Interior . 42Lamps and Signals . 43Metal Treatment . 46Mirrors . 46Mounting. 47Oil Filter . 47Openings . 47Overall Length . 47Overall Width. 47Passenger Load . 48Public Address System . 48Retarder System . 48Retro-Reflective Material . 48Road Speed Control . 49Rub Rail . 49Seat and Restraining Barriers . 50Shock Absorbers . 53Side Skirts . 53Steering Gear . 53Steps . 54Step Treads . 54Stirrup Steps . 55Stop Signal Arm . 55Page 6 of 107

Storage Compartment . 55Sun Shield . 56Suspension Systems . 56Throttle. 56Tires and Rims . 56Towing Attachment Points . 56Traction Assisting Devices . 57Transmission . 58Trash Container and Holding Device . 58Turning Radius. 58Undercoating . 58Ventilation. 59Wheelhousing . 59Windows . 60Windshield Washers . 60Windshield Wipers . 60Specially Equipped School Bus Specifications . 61Introduction . 61Definition . 61General Requirements . 61Aisles . 61Glazing . 61Identification . 61Passenger Capacity Rating . 62Power Lifts . 62Regular Service Entrance . 64Restraining Devices . 65Seating Arrangements . 65Securement and Restraint System for Wheelchairs and Wheelchair-SeatedOccupants . 65Special Light . 67Special Service Entrance . 68Special Service Entrance Doors . 68Page 7 of 107

Support Equipment and Accessories . 69Technology and Equipment, New. 70Alternate Fuels . 72Introduction . 72General Requirements . 72Appendix A . 75Terms and Definitions . 75Appendix B . 103School Bus Yellow, Retroreflective Markings and Noise Test . 103National School Bus Yellow . 103Placement of Retroreflective Markings and White Roof . 104Placement of Retroreflective Markings. 105Noise Test Procedure . 106Page 8 of 107

School Bus TypesSchool Bus: A bus owned, leased, contracted to or operated by a schooldistrict and regularly used to transport students to and from school or schoolrelated activities, but not including a charter bus or transit bus. A school busmust meet all applicable FMVSS and is readily identified by alternatelyflashing lamps, National School Bus Yellow paint, and the legend “SchoolBus,” except as may be provided for the multifunctional school activity bus(MOSAB). The following describes each of these types and styles of vehicle.Type A: A Type “A” school bus is a conversionation or bus constructedutilizing a cutaway front section vehicle with a left side driver’s door. Thisdefinition includes two classifications:Type A-1, with a Gross Vehicle Weight Rating (GVWR) of 14,500 pounds orless; and Type A-2, with a FGVWR greater than 14,5000 and less than orequal to 21,5000 pounds.Type B: A Type “B” school bus is constructed utilizing a stripped chassis. Theentrance door is behind the front wheels. This definition includes twoclassifications: Type B-1, with a GVWR of 10,000 pounds or less; and TypeB-2, with a GVWR greater than 10,000 pounds.Page 9 of 107

Type C: A Type “C” school bus is constructed utilizing a chassis with a hoodand front fender assembly. The entrance door is behind the front wheels.This is also known as a conventional school bus. This type also includescutaway truck chassis or truck chassis with cab with or without left side doorand a GVWR greater than 21,500 pounds.Type D: A Type “D” school bus is constructed utilizing a stripped chassis.The entrance door is ahead of the front wheels. These are also known asrear engine transit style school buses.Multifunctional School Activity Bus (MFSAB): A school bus whosepurposes do not include transporting students to and from home or schoolbus stops, as defined in FMVSS 571.3. This subcategory of school bus meetsall FMVSS standards for school buses except the traffic control requirements(alternately flashing signal and stop arm).Page 10 of 107

Body and Chassis SpecificationsAir Cleaner1. A dry element type air cleaner shall be provided.2. All diesel engine air filters shall include a latch-type restrictionindicator that retains the maximum restriction developed duringoperation of the engine. The indicator should include a reset controlso the indication can be returned to zero when desired.AisleAll 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. Thetrack of a track seating system is exempt from this requirement. A flip seatin the unoccupied (up) position shall not obstruct the 12-inch minimum aisleto any side emergency exit door.AxlesThe front and rear axle and suspension systems shall have a gross axleweight rating (GAWR) at ground commensurate with the respective frontand rear weight loads of the bus loaded to the rated passenger capacity.Back-Up Warning AlarmAn automatic audible alarm shall be installed behind the rear axle and shallcomply with SAE J994B-197405, Backup Alarm Standards, providing aminimum of 112 dBA, or shall have a variable volume feature that allows thealarm to vary from 87 dBA to 112 dBA sound level, staying at least 5 dBAabove the ambient noise level.Brakes: General1. The chassis brake system shall conform to the provisions of 49 CFR571.105, Hydraulic and Electric Brake Systems, 49 CFR 571.106, BrakeHoses, and 49 CFR 571.121, Air Brake Systems, as applicable. All busesshall have either a parking pawl in the transmission or a park brake interlockthat requires the service brake to be applied to allow release of the parkingbrake.2. The anti-lock brake system (ABS), provided in accordance with 49 CFR571.105, Hydraulic and Electric Brake Systems, or 49 CFR 571.121, AirPage 11 of 107

Brake Systems, shall provide wheel speed sensors for each front wheeland for each wheel on at least one rear axle. The system shall provideanti-lock braking performance for each wheel equipped with sensors(Four Channel System).3. All brake systems shall be designed to permit visual inspection ofbrake lining wear without removal of any chassis component(s).4. The brake lines, booster-assist lines, and control cables shall beprotected from excessive heat, vibration, and corrosion and installed ina manner which prevents chafing.5. The parking brake system for either air or hydraulic service brakesystems may be of a power-assisted design. The power parking brakeactuator should be a device located on the instrument panel withinreach of a seated 5th percentile female driver. As an option, theparking brake may be set by placing the automatic transmission shiftcontrol mechanism in the “park” position.6. The power-operated parking brake system may be interlocked to theengine key switch. Once the parking brake has been set and theignition switch turned to the “off” position, the parking brake cannotbe released until the key switch is turned back to the on position.Brakes: HydraulicBuses using hydraulic-assist brakes shall meet requirements of 49 CFR571.105, Hydraulic and Electric Brake Systems.Brakes: AirThe air pressure supply system shall include a desiccant-type air dryerinstalled according to manufacturer’s recommendations. The air pressurestorage tank system may incorporate an automatic drain valve.1. The chassis manufacturer shall provide an accessory outlet for airoperated systems installed by the body manufacturer. This outlet shallinclude a pressure protection valve to prevent loss of air pressure inthe service brake reservoir.2. For air brake systems, an air pressure gage shall be provided in theinstrument panel capable of complying with CDL pre-trip inspectionrequirements.Page 12 of 107

3. Air brake systems may include a system for anti-compounding of theservice brakes and parking brakes.4. Air brakes shall have both a visible and audible warning devicewhenever the air pressure falls below the level where warnings arerequired under 49 CFR 571.121, Air Brake Systems.Bumper: Front1. School buses shall be equipped with a front bumper.2. The front bumper on Type A-2 (with a GVWR greater than 14,500pounds), Type B, Type C, and Type D shall be equivalent in strengthand durability to pressed steel channel at 3/16 inches thick and notless than 8 inches wide (high). It shall extend beyond the forwardmost part of the body, grille, hood, and fenders and shall extend toouter edges of the fenders at the bumper's top line. Type A buseshaving a GVWR of 14,500 pounds or less may be equipped with anOEM-supplied front bumper. The front bumper shall be of sufficientstrength to permit being pushed by another vehicle on a smoothsurface with a 5 degree (8.7 percent) grade, without permanentdistortion. The contact point on the front bumper is intended to bebetween the frame rails, with as wide a contact area as possible. Ifthe front bumper is used for lifting, the contact points shall be underthe bumper attachments to the frame rail brackets unless themanufacturer specifies different lifting points in the owner’s manual.Contact and lifting pressures should be applied simultaneously at bothlifting points.3. The front bumper, except breakaway bumper ends, shall be ofsufficient strength to permit pushing a vehicle of equal gross vehicleweight, per Section B, without permanent distortion to the bumper,chassis, or body.4. The bumper shall be designed or reinforced so that it will not deformwhen the bus is lifted by a chain that is passed under the bumper (orthrough the bumper if holes are provided for this purpose) andattached to both tow hooks/eyes. For the purpose of meeting thisspecification, the bus shall be empty and positioned on a level, hardsurface and both tow hooks/eyes shall share the load equally.Bumper: Rear1. The bumper on Type A-1 buses shall be a minimum of 8 inches wide(high). Bumpers on Types A-2, B, C, and D buses shall be a minimumPage 13 of 107

of 9 ½ inches wide (high). The bumper shall be of sufficient strengthto permit being pushed by another vehicle of similar size and beinglifted by the bumper without permanent distortion.2. The bumper shall wrap around the back corners of the bus. It shallextend forward at least 12 inches, measured from the rear-most pointof the body at the floor line, and shall be mounted flush with the sidesof the body or protected with an end panel.3. The bumper shall be attached to the chassis frame in such a mannerthat it may be removed. It shall be braced to resist deformation of thebumper resulting from impact from the rear or the side. It shall bedesigned to discourage hitching of rides by an individual.4. The bumper shall extend at least one inch beyond the rear-most partof the body surface, measured at the floor line.5. The bottom of the rear bumper shall not be more than 30 inchesabove ground level.CertificationUpon request of the agency having student transportation jurisdiction, thechassis and body manufacturer(s) shall certify that their product(s) meetsthe state’s minimum standards on items not covered by 49 CFR 567.4,Certification.Color1. The school bus shall be painted National School Bus Yellow (NSBY).(See APPENDIX B)2. The body exterior trim, including rub rails, shall be black, NSBY, green(for alternate fuel buses), or blue (for gasoline buses).3. Except for the vertical portion of the front and rear roof caps, the roofof the bus may be painted white. (See illustration in APPENDIX B,Placement of Retro-reflective Markings)4. The chassis shall be black. Body, cowl, hood, and fenders shall beNSBY. The flat top surface of the hood may be non-reflective black orNSBY. (See APPENDIX B)5. The bumpers shall be black unless specified as green (for alternatefuel buses) or blue (for gasoline buses).Page 14 of 107

6. Wheels add and rims (including demountable rims) add maybesilver, gray, white, yellow, or black.7. MFSABs shall be exempt from these requirements.Construction1. Colorado Rack Test: Requires that a school bus body, whensubjected to the prescribed load for 2 cycles, cannot deflect more than5 1/8 inches measured diagonally. Each emergency exit of the bus(pushout windows, emergency doors, etc.) must meet FMVSS bothduring the full application of the load and after release of the load toinsure that the emergency exits will be functional in the event of arollover crash.2. Kentucky Pole Test: Requires that when the school bus roofimmediately above the passenger windows is impacted by an 8”diameter ‘pole’ with sufficient force to cause the roof to bend into thepassenger compartment between 8-10 inches there can be noseparation of the body panels.3. Side Intrusion Test: The bus body shall be constructed to withstandan intrusion force equal to the curb weight of the vehicle or 20,000pounds, whichever is less. Each vehicle shall be capable of meetingthis requirement when tested in accordance with the procedures setforth below. The complete body structure, or a representative sevenbody section mock up with seats installed, shall be load-tested at alocation 24 2 inches above the floor line, with a maximum 10 inchdiameter cylinder, 48 inches long, mounted in a horizontal plane.4. The cylinder shall be placed as close as practical to the mid-point ofthe tested structure, spanning two internal vertical structuralmembers. The cylinder shall be statically loaded to the required forceof curb weight of 20,000 pounds, whichever is less, in a horizontalplane with the load applied from the exterior toward the interior of thetest structure. When the minimum load has been applied, thepenetration of the loading cylinder into the passenger compartmentshall not exceed 10 inches from its original point of contact. There canbe no separation of lapped panels or construction joints. Punctures,tears, or breaks in the external panels are acceptable but are notpermitted on any adjacent interior panel. Body companies shall certifycompliance with this intrusion requirement and include test results, asrequested.Page 15 of 107

5. Construction shall be reasonable dust-proof and watertight.Crossing Control Arm1. School buses shall be equipped with a crossing control arm mountedon the right side of the front bumper. When opened, this arm shallextend in a line parallel to the body side and aligned with the right sidewheel. NRS 386.840Note: This device is not required for a school bus which is used solelyto transport pupils with special needs who are individually loaded andunloaded. NRS 386.8402. All components of the crossing control arm and all connections shall beweatherproofed.3. The crossing control arm shall incorporate system connectors(electrical, vacuum, or air) at the gate and shall be easily removable toallow for towing of the bus.4. The crossing control arm shall be constructed of non-corrodible ornonferrous material, or treated in accordance with the body sheetmetal specification. (See BUS BODY AND CHASSIS SPECIFICATIONS,Metal Treatment)5. There shall be no sharp edges or projections that could cause injury orbe a hazard to students. The end of the arm shall be rounded.6. The crossing control arm shall extend minimum 70 inches (measuredfrom the bumper at the arm assembly attachment point) when in theextended position. The crossing control arm shall not extend past theend of the bumper when in the stowed position.7. The crossing control arm shall extend simultaneously with the stoparm(s) activated by stop arm controls.8. An automatic recycling interrupt switch may be installed fortemporarily disabling of the crossing control arm.9. The assembly may include a device attached to the bumper near theend of the arm to automatically retain the arm while in the stowedposition. That device shall not interfere with normal operations of thecrossing control arm.Page 16 of 107

Defrosters1. Defrosting and defogging equipment shall direct a sufficient flow ofheated air onto the windshield, the window to the left of the driver,and the glass in the viewing area directly to the right of the driver toeliminate frost, fog, and snow.Note: The requirements of this standard do not apply to the exteriorsurfaces of double pane storm windows.2. The defrosting system shall conform to SAE J381 200901, WindshieldDefrosting Systems Test Procedure and Performance Requirements.3. The defroster and defogging system shall be capable of furnishingheated, outside ambient air, except the part of the system furnishingadditional air to the windshield, entrance door, and stepwell may be ofthe re-circulating air type.4. Auxiliary fans are not considered defrosting or defogging systems.5. Portable heaters shall not be

571.105, Hydraulic and Electric Brake Systems 49 CFR 571.106 Brake Hoses, and 49 CFR 571.121, Air Brake Systems, as applicable. All buses shall have either a parking pawl in the transmission or a park brake interlock that requires the service brake to be applied to allow release of

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