At each worksite, potential dropped object hazards must be identified.
Tools, equipment, structures, lights, suspended loads, temporary or portable appliances and any pre-existing loose items will always be a threat. Effective task planning and risk assessment will reduce the consequences and eliminate exposure to personnel.
Task Planning and Risk Assessment should include but not be limited to:
Wherever possible, eliminate unnecessary dropped object hazards at source. For those items that remain, carefully assess the likelihood of static or dynamic failure (based on common causes, experience and site-specific alerts) and determine the potential severity should it fall (using the DROPS Calculator).
Remember that controls may already be in place (such as procedures, checklists, safety wires etc), so be prepared to identify these and ensure they are adequate. Where new physical controls are recommended, always consider the potential for new dropped object hazards. Mats, covers and nets can fall too.
Additional controls will be subject to Management of Change processes.
Consider the potential path that a dropped object may take, deflection, weather factors. Environmental factors, dynamic factors and object shape will affect the shape of the cone. If the Object falls overboard, are there subsea assets or critical infrastructure that may be affected?
Cone of exposure
Gravity is an inherent hazard in every workplace. When combined with constant exposure, sea motion and severe weather conditions, the risk of dropped objects increases significantly. During all tasks, particularly lifting and working at height, take special care to identify and mitigate dropped object incidents that can be caused by environmental factors.
Fog poor sunligt, darkness can also become contributing factors when vision is critical to safe operations.