Covers vehicle-mounted aerial devices that raise personnel to work above ground: extensible boom platforms, aerial ladders, articulating boom platforms, vertical towers and combinations, whatever their material, whether powered or manual and whether or not they rotate. Design (a): lifts acquired on or after January 22, 1973 must conform to ANSI A92.2-1969 (with appendix); earlier lifts that did not conform were prohibited once January 1, 1976 had passed, unless modified to meet it. Field modification for uses the manufacturer did not intend is allowed only with written certification from the manufacturer or an equivalent body (a nationally recognized testing laboratory, for instance) that the modified lift conforms to this section and the applicable ANSI A92.2-1969 provisions and is at least as safe as before. Ladder and tower trucks (b)(1): secure aerial ladders in the lower travel position with the cab-top lock and the manual device at the ladder base before highway travel. Boom platforms (b)(2): test lift controls each day before use; only authorized persons operate; no belting off to adjacent poles, structures or equipment; workers stand firmly on the basket floor, never sitting or climbing on the edge or using planks or ladders to gain position; wear a body belt with its lanyard tied to the basket or boom (the note explains that since January 1, 1998 body belts are unacceptable in personal fall arrest systems under 1926.502(d), though allowed for tethering or restraint under 1926.502(e)); do not exceed the manufacturer's boom and basket load limits; set brakes, place outriggers on pads or solid surface, and chock wheels on an incline where this can be done safely; do not move a lift truck with the boom elevated and workers in the basket unless the equipment is designed for it; provide upper and overriding lower controls, plainly marked, with lower controls used only with the platform occupant's permission except in emergency; no climbers worn; do not alter insulated portions in a way that could lessen insulation; before travel, check the boom is cradled and outriggers stowed. Electrical tests (b)(3) follow ANSI A92.2-1969 section 5, with manufacturer-approved d.c. tests accepted as equivalent. Bursting safety factor (b)(4): the section 4.9 provision of ANSI A92.2-1969 applies to critical hydraulic and pneumatic components (those whose failure would let the boom fall or rotate freely); noncritical components need at least 2 to 1. Welding (b)(5) conforms to AWS B3.0-41, D8.4-61, D10.9-69 and D2.0-69 as applicable. Non-mandatory Appendix C lists later consensus standards considered equivalent to ANSI A92.2-1969.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.