Utah Admin. Code R920-50-9 - Revised and Additional Provisions
The revised and additional provisions of this section shall only apply when referenced in Section R920-50-11 Applicable Provisions.
(1) "New
installations and relocated installations." ANSI B77.1 Section 1.2.4.3 is
modified by the following requirement: New ropeways and relocated ropeways must
comply with the new or revised requirements of the Governing Standard and with
this rule at the time of the acceptance test.
(2) "Auxiliary power unit." Installations
before November 1, 1994 must meet the requirements for auxiliary power units,
as set forth in ANSI B77.1-1992, 2.1.2.1.1, 3.1.2.1.1, 4.1.2.1.1.
(3) "Electronic speed-regulated drives."
Installations before November 1, 1994 must meet the requirements for electronic
speed-regulated drives as set forth in ANSI B77.1-1992, 2.2.1.8.2, 3.2.1.8.2,
4.2.1.8.2, 5.2.1.8.2, 6.2.1.8.2.
(4) "Rope position monitoring." Installations
before November 1, 1994 must meet the requirements for rope position
monitoring, as set forth in ANSI B77.1-1992, 3.1.3.3.2, paragraph 6.
(5) "Friction type brakes." Installations
before November 1, 1995 must meet the requirements for friction type brakes, as
set forth in ANSI B77.1-1992, 2.1.2.5, 3.1.2.5, 4.1.2.5, 5.1.2.5,
6.1.2.5.
(6) "Wire rope
inspection." Inspections must be performed according to ANSI B77.1 Annex A.4.1
and ANSI B77.2 Annex A.4.1 and must be performed by a competent inspector
defined by the Governing Standard and who is approved by the Committee. The
wire rope inspector must certify to the owner or area operator whether the wire
rope in its present condition meets requirements for continued
operation.
(7) "Audible warning
devices." Requirements for audible warning devices on installations .
(a) Installations before April 17, 2007 must
meet the requirements for audible warning devices as specified by ANSI
B77.1-1999, 2.1.1.12, 3.1.1.12.
(b)
Installations before April 17, 2007, ANSI B77.1-1999 Section 4.1.1.12 is
modified by the following requirement: The aerial lift must incorporate an
audible warning device that signals an impending start of the aerial lift.
After the start button is pressed, the device shall sound an audible alarm for
a minimum of two seconds before the aerial lift begins to move. The audible
device must be loud enough to be heard inside and outside terminals and machine
rooms above the ambient noise level.
(c) Surface lifts, tows, and conveyors must
have audible warning devices meeting the requirements of ANSI B77.1-2017
Section 5.2.9, 6.2.9, or 7.2.9.
(d)
Funiculars must have audible warning devices meeting the requirements of ANSI
B77.2-2020 Section 2.2.9.
(8) "Conveyor Standards." Requirements for
installations before May 11,2018.
(a) Loading
and unloading area requirements of ANSI B77.1 Section 7.1.1.9 must also
accommodate the use of adaptive devices.
(b) Power units referred to in ANSI B77.1
Section 7.1.2.1 may not have reverse capability.
(c) "Power supply cords" referred to in ANSI
B77.1 Section 7.2.1.5.6 must be protected from snow grooming, skiers, and other
equipment and must be ground fault protected.
(d) For installations before May 11, 2018 the
belt transition entry stop device referred to in ANSI B77.1 Section 7.2.3.3
must include redundant, or double sensors or an equivalent system submitted by
a qualified engineer to prevent operation in the faulted condition. Each sensor
must be part of an independent control circuit that can initiate an emergency
shutdown of the conveyor. The device must be so designed and maintained that no
single point of failure can cause the entry stop device to malfunction. The
device may not be remotely resettable and must require the operator to reset
the device before restarting the conveyor.
(9) "Air Space Requirements." ANSI B77.1,
Section 2.1.1.4, 3.1.1.4, 4.1.1.4, 5.1.1.4, and 6.1.1.4 and ANSI B77.2 Section
2.1.1.4 must also include the following: No structure may be permitted to
encroach into the air space of the ropeway. Ropeways and Structures that were
both constructed before November 1, 2006 do not need to comply with this
requirement.
(10) "Portable
Ropeways." Portable ropeways will not be considered new ropeways when moved to
different locations but remaining under the jurisdiction of the same
operator.
(11) "Tows Requirements."
Handle Tows must have stop gates above and below the rope.
Notes
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