This standard establishes strength requirements for the passenger compartment roof. The purpose of this standard is to reduce deaths and injuries due to the crushing of the roof into the occupant compartment in rollover crashes. S3 Application and selection of compliance options. However, it does not apply to - 1 School buses; 2 Vehicles that conform to the rollover test requirements S5. Where manufacturer options are specified, the manufacturer shall select the option by the time it certifies the vehicle and may not thereafter select a different option for the vehicle. Altered roof means the replacement roof on a motor vehicle whose original roof has been removed, in part or in total, and replaced by a roof that is higher than the original roof.

Author:Dailabar Mojin
Language:English (Spanish)
Published (Last):11 June 2004
PDF File Size:11.8 Mb
ePub File Size:13.65 Mb
Price:Free* [*Free Regsitration Required]

Bralmaran 49 CFR This final rule increases harmonization with existing requirements in European regulations. You should submit your comments early enough to ensure that the docket receives them not later than November 7, Restoration of the side marker requirements will have no negative impact on safety or function and will allow motor vehicle manufacturers to avoid unnecessary modifications to their side marker lamps with no added safety or functional benefit.

The agency requests comments on this alternative strategy and other potential enhancements to the current body block test procedure. Thompson has not identified a safety need to justify making changes he requested, and Mr. Within the low-force access regions shown in Figures 1 and 3 for an emergency exit window. NHTSA is denying the petition for labeling because this would provide advice that, if followed, would threaten the safety of both the mother and the unborn child in a crash.

Earlier, NHTSA published an advanced notice of proposed rulemaking requesting comment on strategies pertaining to underride protection afforded by single unit trucks. This document reopens the comment period for a notice of proposed rulemaking NPRM published January 28, The force application for at least one of the release mechanisms must differ by not less than 90 degrees and not more than degrees from the direction of the initial motion to open the exit.

C Provides a means for release or override. Second, the Agency seeks comments on the use of existing statutory provisions and regulations to allow for the implementation of such a pilot program. This NPRM proposes rulemaking on these and other requirements to increase the correct use of child restraint anchorage systems and tether anchorages, and the correct use of child restraints, with the ultimate goal of reducing injuries to restrained children in motor vehicle crashes.

This document denies a petition for rulemaking, submitted by Ms. Sliding window means a fjvss window designed to open by moving vertically or horizontally to provide emergency egress. ESC systems in truck tractors and large buses are designed to reduce untripped rollovers and mitigate severe understeer or oversteer conditions that lead to loss of control by using automatic computer-controlled braking and reducing engine torque output.

The performance requirements would also ensure that seats and overhead luggage racks remain secured and window glazing attached to its mounting during and after a rollover rmvss, and fmvsz ensure that emergency exits remain closed during the rollover crash and operable after the crash. Summary This document denies a petition for rulemaking submitted by Mr. With the lift in the folded or stowed position, such opening is considered a side emergency exit door.

This final rule is a deregulatory action. This final rule is effective September 27, The compliance date for the amendments in this final rule is September 27, Petitions for reconsideration must be received not later than November 10, Further, except for buses equipped with rear push-out emergency exit windows in accordance with S5. This rule is effective February 13, F,vss agency will continue to conduct research and to evaluate real-world performance of these systems through track testing and field operational testing.

Code Rulemaking What Cites Me. Hofferberth on April 1, When the bus configuration precludes installation of an accessible rear exit, a roof exit that meets the requirements of S5. Petitions for reconsideration of this final rule must be received not later than February 1, In the case of a bus equipped with three side emergency door exits pursuant to Table 1, the third shall be located on the left side of the bus. Occupant space means the space directly above the seat and footwell, bounded vertically by the ceiling and horizontally by the normally positioned seat back and the nearest obstruction of occupant motion in the direction the seat faces.

In the case of a bus equipped with three side emergency door exits pursuant to Table 2, the third shall be located on the right side of the bus. NHTSA seeks comment on the research report, and solicits additional information, data, fmvzs analysis that will aid the agency in developing an effective fmvsz to require new light vehicles to be V2V-capable. You should submit comments early enough to ensure that Docket Management receives them not later than Fmsvs 24, This NPRM proposes to upgrade the Federal motor vehicle safety standards that address rear underride protection in crashes into trailers and semitrailers.

As required by Section of the Regulatory Flexibility Act, we are attempting to identify rules that may have a significant economic impact on a substantial number of small entities. Passenger compartment means space within the school bus interior that is between a vertical transverse plane located 76 centimeters in front of the forwardmost passenger seating reference point and a vertical transverse plane tangent to the rear interior wall of the bus at the vehicle centerline.

Third, we are incorporating an optional alternative compliance process for manufacturers whose helmets do not comply with fmvsa proposed dimensional and compression requirements, but do comply with the performance requirements and all other aspects of FMVSS No.

The effective date of this final rule is September 26, The designation for roof exits shall be located on an inside surface of the exit, or within 30 centimeters of the roof exit opening. In the tests, a 26 kilogram 57 pound impactor be propelled from inside a test vehicle toward the window glazing at Further, the compliance test procedures of some FMVSS depend on the fmvs of such things as a human test driver who can follow instructions on test driving maneuvers or a steering wheel that can be used by an automated steering machine.

This notification announces the docketing and availability of this research. Toyota Motor North America, Inc. Motor carriers operating such vehicles in interstate commerce would be required to maintain the speed limiting devices for the service life of the vehicle.

After the release mechanism has been operated, each emergency roof exit of a school bus shall, under the conditions of S6, before and after the window retention test required by S5. Summary By initiating rulemaking to consider enhancing related safety standards, this notice grants fmfss part of the petition for rulemaking fmvsx by Ms.

Related Articles



Roof Exit 8 c The area of an opening equipped with a wheelchair lift may be credited toward the required additional exits if it meets the requirements of paragraphs a or b of S5. With the lift in the folded or stowed position, such opening is considered a side emergency exit door. A second side emergency exit door installed pursuant to Table 1 shall be located on the right side of the bus. In the case of a bus equipped with three side emergency door exits pursuant to Table 1, the third shall be located on the left side of the bus. A second side emergency door exit installed pursuant to Table 2 shall be located on the left side of the bus. In the case of a bus equipped with three side emergency door exits pursuant to Table 2, the third shall be located on the right side of the bus.


FMVSS 131 & FMVSS 217 School Bus Reflective Tape Marking Requirements Regulations

Roof Exit Your first question asks whether NHTSA would permit the installation of a roof emergency exit instead of a rear emergency exit in your bus that has a cargo net that can portion off part of the rear of the bus for use as a storage area. We assume from the facts you provide that Glaval intended for the bus to meet the requirements in S5. To accommodate bus designs that preclude the installation of an accessible rear emergency exit door or window, FMVSS No. However, the agency emphasizes that the alternative roof exit is only permitted when the bus design precludes installation of an accessible rear exit. Clearly, buses with a rear-engine design preclude installation of an accessible rear exit. Therefore, based on the facts you presented, the installation of the emergency roof exit in lieu of an emergency rear exit would be allowed. As we state above, a roof emergency exit is permitted to be installed in compliance with S5.


Federal Motor Vehicle Safety Standards

The main goal of these regulations is to clearly mark with reflective tape the emergency exits of the bus. This way, if a bus is in an accident, emergency workers can easily identify the exits. Although each state differs the general regulation is as follows. Each opening for a required emergency exit shall be outlined around its outside perimeter with a retroreflective tape with a minimum width of 2. Here is an excerpt from the Connecticut regulations. Any school bus may have reflectorized tape, otherwise known as retroreflective sheeting, applied to the sides and rear, if such tape complies with and is installed in accordance with the following requirements: 1. Approved reflective tape or sheeting shall reflect a yellow color with a reflectivity meeting the requirements of 49 CFR

Related Articles