New Jersey Administrative Code › Title 12 - LABOR AND WORKFORCE DEVELOPMENT › Chapter 185 - PITS AND QUARRIES (SAFETY REGULATION NUMBER 12) › Subchapter 28 - LOADING, MECHANICAL AND HOISTING EQUIPMENT › Section 12:185-28.1 - Hoisting equipment and practices

Current through Register Vol. 56, No. 14, July 15, 2024
(a) The hoisting equipment and hoisting practices for slopes or inclines and aerial tramways shall be in compliance with this section.
(b) All hoists shall be of standard design and where men are transported the hoist shall be equipped with two independent and separate braking systems, each of which shall be capable of stopping and holding the weight of a fully loaded conveyance.
(c) Hoists shall be so situated that the engineer or operator has a full view of the trip at all times. When this is impracticable, the hoisting apparatus shall be provided with an indicating device showing the position of the car or skip at all times.
(d) All hoists shall be provided with positive overwind and overspeed controls.
(e) A trial run of hoisting equipment shall be made at the beginning of each shift.
(f) Hoisting equipment shall be inspected daily, and a written record shall be made of each inspection.
(g) The hoist engineer shall immediately report any defect in the hoist or signalling system and record it in the daily log.
(h) When defects are found that may make further operation of the hoist unsafe, the hoist shall not be operated until the defect has been remedied.
(i) Any change in or adjustment to any part of the hoisting equipment shall be reported to the hoisting engineer and recorded in the log.
(j) Two positive signalling systems, one of which shall be audible, shall be adopted, and the signal code posted conspicuously in the hoist room in full view of the hoisting engineer and at each end of the slope or aerial tramway.
(k) The signalling system shall be inspected and tested at least once each shift.
(
l
) The hoistman shall not be permitted to engage in conversation while hoisting or lowering workers.
(m) Only authorized visitors and employees shall be permitted in the hoist room.
(n) A qualified hoistman shall be in immediate charge of the hoist at all times. He or she shall be familiar with the details and workings of hoists and experienced in their operation.
(
o
) After the effective date of this rule, no person shall be employed as a hoist engineer until an examination by a licensed physician shows him or her to be free of physical defects which in the opinion of the physician, would disqualify him or her for reasons of safety.
(p) After the effective date of this rule, all hoist men shall be given a thorough physical examination at least once a year by a licensed physician to assure their continued physical fitness to serve in that position.
(q) Every aerial tramway or slope, the operation of which requires the presence of employees at both ends of the tramway or slope, shall be provided with direct connected telephone or other equally ready means of quick communication.
(r) Hoisting cables shall be of adequate size to handle the intended load and the safety factor shall conform to the standards established in the American Standard Wire Rope for Mines, (M-11-1927).
(s) Sheaves and drums used in connection with hoisting ropes shall be of correct size and design and conformity to the standards established in the American Standard Wire Rope for Mines, (M-11-1927).
(t) No hoisting cable shall be allowed to drag or rub on any part of a slope, but shall be supported by rollers or guide pulleys located so as to prevent dragging or rubbing.
(u) Hoist drums shall be provided with flanges that extend at least three diameters of the hoisting rope radially beyond the last layer of rope when all the rope is coiled on the drum.
(v) At least three full laps shall remain on the drum when the cable is extended to its maximum distance. The rope shall make at least one full lap on the drum shaft or around a spoke of the drum (in case of a free drum) and the end shall be fastened with at least four cable clips, or equivalent.
(w) The cable shall be fastened to its load by means of a spelter-filled socket, a thimble and clamp, cable clamps or safety hooks.
(x) All cable used in hoisting workers and material shall be lubricated at frequent intervals and shall be maintained in a properly lubricated condition.
(y) Hoisting cables shall be inspected daily, and a thorough and complete inspection shall be made weekly by a competent person. A written report of the condition of the cable found during the inspection shall be maintained.
(z) At least once each six months a section equivalent to 1/2 the circumference of the drum shall be cut from the end of the rope fastened to the drum.
(aa) Hoisting ropes shall be discarded when they show any of the following conditions:
1. If there are six broken wires in one strand of a rope lay.
2. If the wires on the crown are worn to 65 percent of their original diameter.
3. If marked corrosion appears.
4. If kinking occurs in a section that cannot be cut off.
5. If more than three wires have been reduced by wear more than 30 percent in cross section or are broken in one strand of a rope lay.
6. If the minimum safety factor falls below specifications.