Risk Assessment for Installing Tumbler Tanks

Potential Hazards

1. Fire and Explosion: Tumbler tanks may store flammable liquids, posing a risk of fire or explosion if not properly managed.
2. Static Electricity: The process of filling tanks can generate static electricity, which can ignite flammable vapors.
3. Structural Failure: Improper installation can lead to tank collapse or leakage.
4. Environmental Contamination: Leaks or spills can contaminate soil and water sources.
5. Physical Injury: Handling heavy equipment and materials can result in physical injuries.

Risk Assessment

• Likelihood: Moderate, given the presence of flammable materials and heavy equipment.
• Severity: High, due to potential for fire, explosion, and environmental damage.

Control Measures

1. Elimination/Substitution: Use non-flammable liquids if possible.
2. Engineering Controls:
   • Ensure all tank openings are vapor or liquid-tight to prevent leaks [1].
   • Install fill pipes to minimize static electricity by terminating within 6 inches of the tank bottom [1].
   • Use vent piping that discharges vapors outside and above the building [2].
3. Administrative Controls:
   • Implement strict procedures for handling and filling tanks, including grounding and bonding to prevent static discharge.
   • Train workers on emergency response and spill containment.
4. Personal Protective Equipment (PPE):
   • Provide flame-resistant clothing, gloves, and eye protection for workers.

Monitoring and Review

• Regularly inspect tanks and associated piping for leaks or damage.
• Conduct periodic safety audits and drills to ensure compliance with safety protocols.

Recommendations

• Install automatic-closing heat-actuated valves on tanks to prevent flow in case of fire [1].
• Ensure tanks are anchored securely to prevent movement during floods or seismic activity [3].
• Maintain a safe distance from ignition sources, at least 5 feet from any building opening [1].

By implementing these measures, the risks associated with installing tumbler tanks can be significantly reduced, ensuring a safer working environment.