No person shall be allowed to ride on material hoists except for the purposes of inspection and maintenance. All entrances of the hoistways shall be protected by substantial gates or bars which shall guard the full width of the landing entrance.
All hoistway entrance bars and gates shall be painted with diagonal contrasting colors, such as black and yellow stripes. Bars shall be not less than 2- by 4-inch wooden bars or the equivalent, located 2 feet from the hoistway line. Bars shall be located not less than 36 inches nor more than 42 inches above the floor.
The operator's station of a hoisting machine shall be provided with overhead protection equivalent to tight planking not less than 2 inches thick. The support for the overhead protection shall be of equal strength. Hoist towers may be used with or without an enclosure on all sides. However, whichever alternative is chosen, the following applicable conditions shall be met:.
The hoist platform enclosure shall include the required gates for loading and unloading. A 6-foot high enclosure shall be provided on the unused sides of the hoist tower at ground level. Hoist towers outside the structure shall be enclosed for the full height on the side or sides used for entrance and exit to the structure.
At the lowest landing, the enclosure on the sides not used for exit or entrance to the structure shall be enclosed to a height of at least 10 feet. The support for the overhead protection shall be of equal strength. However, whichever alternative is chosen, the following applicable conditions shall be met:. The hoist platform enclosure shall include the required gates for loading and unloading.
A 6-foot high enclosure shall be provided on the unused sides of the hoist tower at ground level. At the lowest landing, the enclosure on the sides not used for exit or entrance to the structure shall be enclosed to a height of at least 10 feet. Other sides of the tower adjacent to floors or scaffold platforms shall be enclosed to a height of 10 feet above the level of such floors or scaffolds. In addition to tie-ins, a series of guys shall be installed.
Safeties shall be capable of stopping and holding the car and rated load when traveling at governor tripping speed.
Cars shall be provided with a capacity and data plate secured in a conspicuous place on the car or crosshead. The minimum number of hoisting ropes used shall be three for traction hoists and two for drum-type hoists. Following assembly and erection of hoists, and before being put in service, an inspection and test of all functions and safety devices shall be made under the supervision of a competent person.
A similar inspection and test is required following major alteration of an existing installation. All hoists shall be inspected and tested at not more than 3-month intervals. The employer shall prepare a certification record which includes the date the inspection and test of all functions and safety devices was performed; the signature of the person who performed the inspection and test; and a serial number, or other identifier, for the hoist that was inspected and tested.
The most recent certification record shall be maintained on file. All personnel hoists used by employees shall be constructed of materials and components which meet the specifications for materials, construction, safety devices, assembly, and structural integrity as stated in the American National Standard A The requirements of this paragraph c 16 do not apply to cantilever type personnel hoists. Personnel hoists used in bridge tower construction shall be approved by a registered professional engineer and erected under the supervision of a qualified engineer competent in this field.
These hoists shall be inspected and maintained on a weekly basis. Whenever the hoisting equipment is exposed to winds exceeding 35 miles per hour it shall be inspected and put in operable condition before reuse.
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