Given a typical tractor-trailer rig with at least a 15,000-lb. load, a typical road surface, and a trip to make…
Statement of Work to be performed:
…The driver will start, move (drive), and steer the tractor-trailer.
Start and drive tractor trailer such that he/she scores acceptable proficiency rating on an operational checklist for basic controls in areas such as executing sharp left and right turns, centering the vehicle, and maneuvering in restricted areas
Keep rig in center of traffic lane
Avoid obstacles on both sides, front, and back
Achieve smooth and effective acceleration and stopping
Position rig to begin and complete turns in lane
Performance Elements and Assessment Criteria:
Get into cab, adjust seat, and fasten seat belt.
Start, warm up, cool down, and shut off engine.
Get out and check position for obstructions, position, and paths or use appropriate spotters with clearly understood signals.
Judge path and clearances of trailer.
Activate warning flashers prior to moving into reverse gear. Tap horn periodically if tractor does not have a back-up alarm. (Keep window open and radio off.)
Position vehicle correctly before beginning a backing/docking maneuver.
Execute reverse steering of an articulated vehicle.
Back slowly (using idle speed) in straight and curved lines.
Constantly check on both sides and to the rear when backing – look in mirrors; watch for things that could tilt trailer; watch for overhead obstructions; watch behind tractor tires.