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G. All service doors must allow for manual opening. Power operated service doors must have an emergency release valve, and a switch or a device to release the service door must be easily accessible and clearly labeled. Powered Service Doors shall be clearly and concisely marked with operating instructions in case of power failure.


Overall Length: The overall length of a complete school bus body shall not exceed forty feet (40'), excluding safety equipment. Exterior Width: The overall exterior width of a complete school bus body shall not exceed one hundred and two inches, (102") excluding safety equipment.


The step-well and riser panels in the service door entryway shall be clear-coated, galvanized or stainless steel, embossing is not required. A step-well of at least three (3) steps shall be built in the right front assembly enclosed with doors extending to bottom step. Each step shall be covered with “Pebble-Top” type elastomer, at least 3/16 inch thick, bonded to metal or durable polymer base and otherwise constructed to provide substantial support, including the leading horizontal edge which shall be Pebble Top type, white or a color that contrasts with the step tread by at least 70%. The lower (first) step height shall be between ten inches (10") and fourteen inches (14") above the ground for all Type A and C buses. Type D buses shall have a lower (first) step height between twelve inches (12") and sixteen inches (16") from the ground. Each step must be the full width of the step-well at the point where the step is located. Half steps or partial steps are not acceptable.

Note: Two steps are acceptable on Type A 14-30 passenger buses. Risers in each case shall not exceed a height of ten inches (10").


A step and appropriate grab handle shall be installed on each front corner of the body to facilitate cleaning of windshield. The handle shall be stainless steel, chrome plated, or non-ferrous metal or may be made of non-metallic material of sufficient structural and mounting strength and resistant to weathering and deterioration and shall provide for secure mounting and adequate handhold. Handle shall be contoured and formed to provide a comfortable and safe grip. Steps and handles are not required on Type A 14-30 passenger buses.


Details of design shall have a direct relationship to specifications for grades of steel in the latest edition for the design of Light Grade Cold-Formed Steel Structural Members of the American Iron and Steel Institute. Material used in the body frame structure shall conform to chemical and mechanical requirements of the listed specifications or other

Section C-15

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