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Appendix a – glossary – Snorkel AB85RJ User Manual

Page 69

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AB85RJ – 0421533

Appendix A – Glossary

aerial platform – a mobile device that has an adjustable position platform,
supported from ground level by a structure.

ambient temperature – the air temperature of the immediate environ-
ment.

ammeter – an instrument for measuring the strength of an electric current
in amperes.

authorized personnel – personnel approved as assigned to perform specific
duties at a specific location.

base – the relevant contact points of the aerial platform that form the stability
support (e.g. wheels, casters, outriggers, stabilizers).

boom – a movable cantilever beam which supports the platform.

center of gravity – the point in the aerial platform around which its weight
is evenly balanced.

chassis – the integral part of the aerial platform that provides mobility and
support for the booms.

fall restraint – a system that is used while working on a boom lift within the
boundaries of platform guardrails to provide restraint from being projected
upward from the platform. This system includes a harness or belt, lanyard,
and a lanyard anchor. Federal OSHA, ANSI, and UpRight require the use of
additional fall protection beyond the platform guardrails on boom supported
aerial platforms.

floor or ground pressure – the maximum pressure, expressed in pounds
per square inch, a single wheel concentrates on the floor or ground.

gradeability – the maximum slope that the aerial platform is capable of
travel.

guardrail system – a vertical barrier around the platform to prevent per-
sonnel from falling.

hazardous location – any location that contains, or has the potential to
contain, an explosive or flammable atmosphere as defined by ANSI/NFPA
505.

interactive link – the structure connecting the extend cylinder assembly to
the turntable, increasing the reach of the tip boom

jib – an articulating boom attached to the tip boom which increases the
overall boom reach.

level sensor – a device that detects a preset degree of variation from perfect
level. The level sensor is used to sound an alarm if operating on a slope
greater than the preset value.

lower controls – the controls located at ground level for operating some or
all of the functions of the aerial platform.

main boom – a boom assembly located between the riser and the jib.

manufacturer – a person or entity who makes, builds or produces an

aerial platform.

maximum travel height – the maximum platform height or the most adverse
configuration(s) with respect to stability in which travel is permitted by the
manufacturer.

maximum wheel load – the load or weight that can be transmitted through
a single wheel to the floor or ground.

Minimum Safe Approach Distance – the minimum safe distance that
electrical conductors may be approached when using the aerial platform.
Also called M.S.A.D.

operation – the performance of any aerial platform functions within the scope
of its specifications and in accordance with the manufacturer’s instructions,
the users work rules, and all applicable governmental regulations.

operator – a qualified person who controls the movement of an aerial
platform.

personal fall arrest system – a fall protection system that is used while
working on an unprotected edge (such as a roof top with no guardrail). This
system includes a harness, lanyard or other connecting device, a fall arrestor,
an energy absorber or decelerator, an anchorage connector, and a secure
anchorage such as a building beam, girders or columns. An aerial platform
is not a fall arrest anchorage.

platform – the portion of an aerial platform intended to be occupied by
personnel with their tools and materials.

platform height – the vertical distance measured from the floor of the plat-
form to the surface upon which the chassis is being supported.

prestart inspection – a required safety inspection routine that is performed
daily before operating the aerial platform.

qualified person – a person, who by reason of knowledge, experience,
or training is familiar with the operation to be performed and the hazards
involved.

rated work load – the designed carrying capacity of the aerial platform as
specified by the manufacturer.

riser – the structure that connects the riser boom to the main boom.

riser boom – an articulating boom section. The riser boom is between the
turntable and the main boom.

stow – to place a component, such as the platform, in its rest position.

tip boom – a telescopic boom section that extends and retracts from within
the main boom. The tip boom is nearest the platform.

turning radius – the radius of the circle created by the wheel during a 360°
turn with the steering wheels turned to maximum. Inside turning radius is the
wheel closest to the center and outside turning radius is the wheel farthest
from the center.

turntable – the structure above the rotation bearing which supports the
booms. The turntable rotates about the centerline of rotation.

unrestricted rated work load – the maximum designed carrying capacity
of the aerial platform allowed by the manufacturer in all operating configu-
rations.

upper controls – the controls located on or beside the platform used for
operating some or all of the functions of the aerial platform.

wheelbase – the distance from the center of the rear wheel to the center
of the front wheel.

working envelope – the area defined by the horizontal and vertical limits

of boom travel that the platform may be positioned in.

working height – platform height plus six feet.