ASME B30.7-2006 pdf – Base-Mounted Drum Hoists
ASME B30.7-2006 pdf – Base-Mounted Drum Hoists.
(1) designated persons
(2) trainees under the direct supervision of a designated person
(3) maintenance and test personnel when it is necessary in the performance of their duties
(b) No one, other than personnel specified in para. 7-3.1.1(a), shall enter a hoist operator’s cab or operating position with the exception of persons such as oilers or supervisors whose duty requires them to do so, and then only in the performance of their duties and with the knowledge of the operator or other appointed person.
73.1.2 Qualifications for Operators
(a) Operators shall be required by the employer to pass a written or oral examination and a practical operating examination unless able to furnish satisfactory evidence of qualifications and experience. Qualifications shall be limited to the specific type of equipment for which examined.
(b) Operators and the operator trainees shall meet the following physical qualifications:
(1) have vision of at least 20/30 Snellen in one eye and 20/50 in the other, with or without corrective lenses
(2) be able to distinguish colors, regardless of position, if color differentiation is required for operation
(3) hearing, with or without hearing aid, must be adequate for the specific operation
(4) have sufficient strength, endurance, agility, coordination, and speed of reaction to meet the demands of equipment operation
(c) Evidence of physical limitations or emotional instability that could render the operator a hazard to himself or others, or which in the opinion of the examiner could interfere with the operator’s safe performance, may be cause for disqualification. In such cases, specialized clinical or medical judgments and tests may be required.
(d) Evidence that an operator is subject to seizures or loss of physical control shall be reason for disqualification. Specialized medical tests may be required to determine these conditions.
(e) Operators and operator trainees should have good depth perception, field of vision, reaction time, manual dexterity, coordination, and should not be prone to dizziness, or similar undesirable characteristics.
73.1.3 Conduct of Operators
(a) The operator shall not engage in any practice that might divert attention while actually engaged in operating the hoist.
(b) When physically or mentally unfit, an operator shall not engage in the operation of the hoist.
(c) The operator shall respond to signals only from the person who is directing the lift, or an appointed signalperson. However, the operator shall obey a stop signal at all times, no matter who gives it.
(d) Each operator shall be held responsible for those operations under the operator’s direct control. Whenever there is any doubt as to safety, the operator shall consult with the supervisor before handling the load(s).
(e) Before leaving the hoist unattended, the operator shall
(1) land any attached load, except as outlined in para. 7-3.2.3
(2) disengage clutches
(3) put the handles of controls in the off position
(4) open main switch or stop the engine
(5) engage manual locking devices in the absence of automatic holding equipment
f) If there is a warning sign on the switch or engine starting controls, the hoist operator shall not close the switch or start operations until the sign has been removed by an appointed person.
(g) Before closing the switch or starting the hoist engine, the hoist operator shall ensure that all controls are in the off position and all personnel are in the clear.
(I,) If power fails during operations, the hoist operat()r shall
(1) set all brakes or locking devices
(2) move all clutch or other power controls to the off or izeutral position
(3) if practical, the suspended load should be landed under brake control
(I) The operator shall he familiar with the equipment and its proper care. If adjustments or repairs are necessary, the operator shall report the same promptly to the appointed person and shall also notify the next operator.