Request for proposal contract form for the transit industry
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- Accessibility Provisions
- Loading System for 30 to 60ft Low-Floor Bus
Door Open/CloseAlternative Operator-Controlled Front and Rear Doors (If Applicable) Operation of, and power to, the passenger doors shall be completely controlled by the operator.
Operator-Controlled Front and Passenger-Controlled Rear Doors Operation of, and power to, the front passenger doors shall be completely controlled by the operator. Power to rear doors shall be controlled by the operator. After enabling, the rear doors shall be opened by the passenger.
Operator-Controlled Front and Passenger-Controlled Rear Doors with Provision for Driver Override Operation of, and power to, the front passenger doors shall be completely controlled by the operator. Power to rear doors shall be controlled by the operator. After enabling, the rear doors shall be opened by the passenger.A switch shall be provided to enable the driver to obtain full control of the rear doors.
A control or valve in the operator’s compartment shall shut off the power to, and/or dump the power from, the front door mechanism to permit manual operation of the front door with the bus shut down. A master door switch, which is not within reach of the seated operator, when set in the “off” position shall close the rear/center doors (if applicable), deactivate the door control system, release the interlocks and permit only manual operation of the rear/center doors. ALTERNATIVE An exterior door control switch shall be installed. An air dump valve shall be accessible from the exterior of the bus. Accessibility ProvisionsSpace and body structural provisions shall be provided at the front or rear door of the bus to accommodate a wheelchair loading system. Loading SystemsThere are three options:
LiftThe wheelchair lift control system must be capable of receiving multiplex commands from vehicle interlocks. An automatically controlled, power-operated wheelchair lift system compliant to requirements defined in 49 CFR 571.403(FMVSS 403) shall provide ingress and egress quickly, safely and comfortably, both in forward and rearward directions, for a passenger in a wheelchair from a level street or curb. Default Wheelchair lift mounted in front step well. Alternative Wheelchair lift mounted in rear center door location. Alternative Folding Lifts When the system is not in use, the passageway shall appear normal. In the stored position of the ramp, no tripping hazards shall be present, and any resulting gaps shall be minimized. The controls shall be simple to operate with no complex phasing operations required, and the loading system operation shall be under the surveillance and complete control of the driver. If the loading system and controls are at the rear doors, then a keyed switch shall be provided in the driver’s area to disable the loading system. The bus shall be prevented from moving during the loading or unloading cycle by a throttle and brake interlock system. The loading system shall be inhibited from stowing/deploying when a passenger is on the ramp/platform. A passenger departing or boarding via the ramp shall be able to easily obtain support by grasping the passenger assist located on the doors or other assists provided for this purpose. The platform shall be designed to protect the ramp from damage and people on the sidewalk from injury during the extension/retraction or lowering/raising phases of operation. The loading platform shall be covered with a replaceable or renewable nonskid material and shall be fitted with devices to prevent the wheelchair from rolling off the sides during loading or unloading. Deployment or storage of the ramp shall require no more than 15 seconds. The device shall function without failure or adjustment for 500 cycles or 5000 miles in all weather conditions on the design operating profile when activated once during the idle phase. A manual override system shall permit unloading a wheelchair and storing the device in the event of a primary power failure. The manual operation of the ramp shall not require more than 35 lbs of force.
Heavy-Duty Ramp System Power units must meet other spec requirements (hydraulic or electric).
Front Door Location of Loading System, Flip-Out Design Ramp with 6:1 Slope The wheelchair loading system shall be located at the front door, with the ramp being of a simple hinged, flip-out type design being capable of deploying to the ground at a maximum 6:1 slope.
Rear/Center Door Location of Loading System, Flip-Out Design Ramp with 4:1 Slope The wheelchair loading system shall be located at the rear/center door, with the ramp being of a simple hinged, flip-out type design being capable of deploying to the ground at a maximum 4:1 slope.
Front Door Location of Loading System, Flip-Out Design Ramp with 6:1 Slope The wheelchair loading system shall be located at the rear door, with the ramp being a flip-out type design being capable of deploying to the ground at a maximum 6:1 slope.
Rear/Center Door Location of Loading System, Flip-Out Design Ramp with 6:1 Slope The wheelchair loading system shall be located at the rear/center door, with the ramp being a flip-out type design being capable of deploying to the ground at a maximum 6:1 slope.
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