Various lifting equipments used in the oil and gas industry possess its own danger that could lead to catastrophic chain of events. Lifting equipment can be subjected to operational and environmental conditions which may affect its safe working characteristics.
Legislation therefore requires that lifting equipment is properly maintained and SAFE to operate at all times. To ensure that, different international standards such as ASME, BS and DNV require it to be inspected at suitable intervals.
The period between inspection is depended on the utilization, environment or client requirements.