How much clear space is required for access to valves and fittings of multiple container groups?

The requirement for having three feet of clear space for access to valves and fittings of multiple container groups is based on safety regulations and operational efficiency. This distance allows adequate room for personnel to maneuver safely when performing maintenance, inspections, or in emergencies.

Having three feet of clearance helps ensure that workers can readily reach the valves and fittings without obstruction, minimizing the risk of injury or accidental damage to the containers. This space is important not just for operational tasks, but also to comply with safety standards that protect workers and equipment.

An insufficient amount of space could hinder quick access during emergencies, potentially delaying the response to leaks or other hazardous situations. Therefore, the three-foot clearance established in regulations is a vital safety measure and ensures the effective operation of equipment in a compressed natural gas environment.