- Part
Number: 1926
- Part
Title: Safety and Health Regulations for Construction
- Subpart:
L
- Subpart
Title: Scaffolds
- Standard
Number: 1926.453
- Title:
Aerial lifts.
1926.453(a)
"General
requirements."
1926.453(a)(1)
Unless
otherwise provided in this section, aerial lifts acquired for
use on or after January 22, 1973 shall be designed and constructed
in conformance with the applicable requirements of the American
National Standards for "Vehicle Mounted Elevating and Rotating
Work Platforms," ANSI A92.2-1969, including appendix. Aerial
lifts acquired before January 22, 1973 which do not meet the
requirements of ANSI A92.2-1969, may not be used after January
1, 1976, unless they shall have been modified so as to conform
with the applicable design and construction requirements of
ANSI A92.2-1969. Aerial lifts include the following types of
vehicle-mounted aerial devices used to elevate personnel to
job-sites above ground:
1926.453(a)(1)(i)
Extensible
boom platforms;
1926.453(a)(1)(ii)
Aerial
ladders;
1926.453(a)(1)(iii)
Articulating
boom platforms;
1926.453(a)(1)(iv)
Vertical
towers; and
..1926.453(a)(1)(v)
1926.453(a)(1)(v)
A
combination of any such devices. Aerial equipment may be made
of metal, wood, fiberglass reinforced plastic (FRP), or other
material; may be powered or manually operated; and are deemed
to be aerial lifts whether or not they are capable of rotating
about a substantially vertical axis.
1926.453(a)(2)
Aerial
lifts may be "field modified" for uses other than
those intended by the manufacturer provided the modification
has been certified in writing by the manufacturer or by any
other equivalent entity, such as a nationally recognized testing
laboratory, to be in conformity with all applicable provisions
of ANSI A92.2-1969 and this section and to be at least as safe
as the equipment was before modification.
1926.453(b)
"Specific
requirements."
1926.453(b)(1)
Ladder
trucks and tower trucks. Aerial ladders shall be secured in
the lower traveling position by the locking device on top of
the truck cab, and the manually operated device at the base
of the ladder before the truck is moved for highway travel.
1926.453(b)(2)
Extensible
and articulating boom platforms.
1926.453(b)(2)(i)
Lift
controls shall be tested each day prior to use to determine
that such controls are in safe working condition.
1926.453(b)(2)(ii)
Only
authorized persons shall operate an aerial lift.
..1926.453(b)(2)(iii)
1926.453(b)(2)(iii)
Belting
off to an adjacent pole, structure, or equipment while working
from an aerial lift shall not be permitted.
1926.453(b)(2)(iv)
Employees
shall always stand firmly on the floor of the basket, and shall
not sit or climb on the edge of the basket or use planks, ladders,
or other devices for a work position.
1926.453(b)(2)(v)
A
body belt shall be worn and a lanyard attached to the boom or
basket when working from an aerial lift.
Note
to paragraph (b)(2)(v): As of January 1, 1998, subpart M of
this part (1926.502(d)) provides that body belts are not acceptable
as part of a personal fall arrest system. The use of a body
belt in a tethering system or in a restraint system is acceptable
and is regulated under 1926.502(e).
1926.453(b)(2)(vi)
Boom
and basket load limits specified by the manufacturer shall not
be exceeded.
1926.453(b)(2)(vii)
The
brakes shall be set and when outriggers are used, they shall
be positioned on pads or a solid surface. Wheel chocks shall
be installed before using an aerial lift on an incline, provided
they can be safely installed.
1926.453(b)(2)(viii)
An
aerial lift truck shall not be moved when the boom is elevated
in a working position with men in the basket, except for equipment
which is specifically designed for this type of operation in
accordance with the provisions of paragraphs (a)(1) and (2)
of this section.
..1926.453(b)(2)(ix)
1926.453(b)(2)(ix)
Articulating
boom and extensible boom platforms, primarily designed as personnel
carriers, shall have both platform (upper) and lower controls.
Upper controls shall be in or beside the platform within easy
reach of the operator. Lower controls shall provide for overriding
the upper controls. Controls shall be plainly marked as to their
function. Lower level controls shall not be operated unless
permission has been obtained from the employee in the lift,
except in case of emergency.
1926.453(b)(2)(x)
Climbers
shall not be worn while performing work from an aerial lift.
1926.453(b)(2)(xi)
The
insulated portion of an aerial lift shall not be altered in
any manner that might reduce its insulating value.
1926.453(b)(2)(xii)
Before
moving an aerial lift for travel, the boom(s) shall be inspected
to see that it is properly cradled and outriggers are in stowed
position except as provided in paragraph (b)(2)(viii) of this
section.
1926.453(b)(3)
Electrical
tests. All electrical tests shall conform to the requirements
of ANSI A92.2-1969 section 5. However equivalent d.c.; voltage
tests may be used in lieu of the a.c. voltage specified in A92.2-1969;
d.c. voltage tests which are approved by the equipment manufacturer
or equivalent entity shall be considered an equivalent test
for the purpose of this paragraph (b)(3).
..1926.453(b)(4)
1926.453(b)(4)
Bursting
safety factor. The provisions of the American National Standards
Institute standard ANSI A92.2-1969, section 4.9 Bursting Safety
Factor shall apply to all critical hydraulic and pneumatic components.
Critical components are those in which a failure would result
in a free fall or free rotation of the boom. All noncritical
components shall have a bursting safety factor of at least 2
to 1.
1926.453(b)(5)
Welding
standards. All welding shall conform to the following standards
as applicable:
1926.453(b)(5)(i)
Standard
Qualification Procedure, AWS B3.0-41.
1926.453(b)(5)(ii)
Recommended
Practices for Automotive Welding Design, AWS D8.4-61.
1926.453(b)(5)(iii)
Standard
Qualification of Welding Procedures and Welders for Piping and
Tubing, AWS D10.9-69.
1926.453(b)(5)(iv)
Specifications
for Welding Highway and Railway Bridges, AWS D2.0-69.
Note
to 1926.453: Non-mandatory Appendix C to this subpart lists
examples of national consensus standards that are considered
to provide employee protection equivalent to that provided through
the application of ANSI A92.2-1969, where appropriate. This
incorporation by reference was approved by the Director of the
Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR
part 51. Copies may be obtained from the American National Standards
Institute. Copies may be inspected at the Docket Office, Occupational
Safety and Health Administration, U.S. Department of Labor,
200 Constitution Avenue, NW., room N2634, Washington, DC or
at the Office of the Federal Register, 800 North Capitol Street,
NW., suite 700, Washington, DC.
[58
FR 35182, June 30, 1993; 61 FR 46025, Aug. 30, 1996; 61 FR 59831,
Nov. 25, 1996]
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