WAC 296-96-05040
What requirements apply to a hoistway that
does not extend to the lowest levels of a building or structure? If the space directly below the hoistway is accessible, the
following requirements apply:
(1) All lift counterweights must have safeties.
(2) All cars and counterweights must have either spring or
oil buffers.
(3) Spring buffers must not fully compress when struck by a
car carrying its rated load or by the counterweights when they
are moving at the following speeds:
(a) For safeties operated by a governor, the tripping speed
of the governor is the maximum striking speed.
(b) For safeties not operated by a governor, 125 percent of
the rated speed is the maximum striking speed.
(4) Car and counterweight-buffer supports must be able to
withstand any impact upon the buffer (without permanent
deformation) while occurring at the following speeds:
(a) For safeties operated by a governor, the tripping speed
of the governor at the rated capacity is the maximum impact
speed.
(b) For safeties not operated by a governor, 125 percent of
the rated speed is the maximum impact speed.
[Statutory Authority: RCW 70.87.020, 70.87.030, 70.87.034,
70.87.120, 70.87.185 and chapter 70.87 RCW. 01-02-026, §
296-96-05040, filed 12/22/00, effective 1/22/01.]