Verify correct load capacity chart is mounted on crane. Verify that the counterweights are mounted correctly and that all warning decals/labels are legible. Confirm size, type, condition, and construction of hoist wire rope that is installed on crane. Inspect for loose nuts, bolts or rivets.
How often should a crane be inspected and by whom?
OSHA requires that all active cranes must be inspected once a year at the minimum. However, depending on the cranes usage, additional inspections will be required. Crane inspections fall under two general categories based on the intervals between inspections.
Who should inspect cranes?
OSHA regulations only require that such equipment be inspected during initial use and annually thereafter by a “competent person”, or by a government or private agency recognized by the U.S. Department of Labor. The owner must, also, maintain a record of these inspections.
How do you inspect an overhead crane?
Items to be inspected:
- Deformed, cracked or corroded members.
- Loose bolts or rivets.
- Cracked or worn sheaves and drums.
- Worn, cracked or distorted parts, such as pins, bearings, shafts, gears, rollers, locking and clamping devices.
- Excessive wear on brake-system parts, linings, pawls and ratchets.
1 дек. 2018 г.
What is Crane checklist?
Checking for visible damages including wire ropes, crane hook, outriggers. … etc. Checking the machine condition such as control, brakes, warning signs and more. Checking and inspecting the area of operation.
What must be clearly displayed on any overhead crane?
The rated load of the crane shall be plainly marked on each side of the crane, and if the crane has more than one hoisting unit, each hoist shall have its rated load marked on it or its load block and this marking shall be clearly legible from the ground or floor. Clearance from obstruction.
How long do I need to keep Crane inspection records?
Retention of all inspection records for a period of 7 years. A detailed inspection of your lifting equipment including cranes, hoists, engineered products and rigging gear. Detailed inspection reports to show documented compliance.
How often should a crane be serviced?
Some crane manufacturer’s might specific more frequent inspections than this depending on the slights and the amount of use, but as a general rule a full inspection should be every 12 weeks.
How often does a periodic crane inspection occur?
The frequency which these inspections should take place is based upon the usage of your crane: A crane which operates under “normal service” should be inspected monthly; a crane in “heavy service” should be inspected weekly to monthly; and a crane in “severe service” should be inspected daily to weekly.
How often do hoists need to be inspected?
For person moving hoists, the regulations state that a hoist should be examined every six months. For other lifting equipment every 12 months is sufficient. A thorough examination should be conducted by a competent person with practical and theoretical knowledge and experience of the lifting equipment and its use.
How do you maintain an overhead crane?
Ensure there are no loose, broken, or damaged parts on the hoist, trolley, bridge, runway, or electric systems. Check that the wire rope is reeved and seated in the drum grooves properly. Verify that the bottom block is not twisted (no two lengths of wire rope should touch).
Whose job is it to inspect cranes at the jobsite?
Chapter 5-2 of the ASME B30 regulation discusses the inspection, testing, and maintenance requirements of mobile cranes. Before a crane arrives at a jobsite, the Site Supervisor must ensure that the crane has been kept in acceptable condition and is safe to be used for the intended purpose.
What is the major cause of crane accidents?
OSHA’s analysis of crane accidents identified the major causes of crane accidents as: boom or crane contact with energized power lines (nearly 45% of the cases) under the hook lifting device. overturned cranes.
What are the main parts of a crane?
The Various Functions of Mobile Crane Parts
- The Driving Components. In any mobile crane, one of the common components will be the driving system used to make it mobile. …
- The Operator’s Cabin. The operator’s cabin houses all of the crane’s controls. …
- The Boom. …
- Hoist and Hook. …
- Hydraulic Pump. …
- Outriggers and Counterweights.
6 февр. 2020 г.
Is WLL and SWL the same?
WLL vs SWL
“WLL” stands for “working load limit” while “SWL” stands for “safe working load.” The main differences between safe working load from working load limit is that “SWL” is the older term. Today, SWL is not used anymore because it has been completely replaced by the term WLL.
What is the hazard of lifting?
Typical hazards from lifting equipment
Accidents have occurred due to: failure of lifting equipment; falling loads; and. workers being crushed by a moving load or lifting equipment.