Ground-support system

Hazards

• A freestanding structure supporting entertainment truss or equipment from the ground.

Controls

• Qualified design addresses towers, bases, ballast, bracing, wind, soil, leveling, and barriers.

Personal protective equipment

• Select task-specific PPE only after hazards and higher-order controls have been evaluated.

Regional considerations

• Applicable law, permits, collective agreements, venue rules, and qualified-person decisions take precedence.

In practice

Qualified design addresses towers, bases, ballast, bracing, wind, soil, leveling, and barriers.

Explore related entries

• Mother grid
• Ballast plan