Which type of inspections is required for cranes that have been idle for less than six months?

For cranes that have been idle for less than six months, frequent inspections are required to ensure safety and functionality before they are put back into operation. Frequent inspections are typically conducted to look for any visible defects or potential issues that may have arisen during the period of inactivity. These inspections can involve checking critical components, such as the hoist mechanism, cables, and controls, to ensure they are in good working order.

Periodic inspections, on the other hand, are usually performed on a less frequent basis and are more comprehensive. They may require detailed examinations that go beyond what is accomplished in a frequent inspection. Annual inspections are even more extensive and are typically conducted once a year as a regulatory requirement to assess the overall condition of the crane.

The option indicating that no inspections are needed would not ensure proper safety measures are in place, and that approach could lead to oversights that might result in accidents or equipment failure when the crane is put back into use. Thus, the requirement for frequent inspections serves as a safety precaution to confirm that the crane is still in a reliable condition after a period of inactivity.