WAC 296-96-05040. Space below hoistway

If the space directly below the hoistway is accessible, the following requirements apply: (1) All lift counterweights shall have safeties. (2) All cars and counterweights shall have either spring or oil buffers. (3) Spring buffers shall 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 shall 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.