To develop a comprehensive demolition plan, consider the following key steps and safety requirements based on the provided documents:

1. Engineering Survey: Conduct an engineering survey by a competent person to assess the structural integrity of the building and identify potential hazards such as unplanned collapse. This survey should be documented in writing [1].

2. Utility Disconnection: Ensure all utilities (electric, gas, water, etc.) are disconnected before starting demolition. If any utilities need to remain active, they should be temporarily relocated and protected [1].

3. Hazardous Materials: Identify and remove any hazardous materials, such as asbestos or chemicals, from the structure before demolition begins. This includes ensuring that any hazardous substances in pipes or tanks are safely purged [1].

4. Protection from Falling Debris: Implement measures to protect workers from falling debris. This includes using barricades and warning signs to prevent unauthorized access to danger zones [2].

5. Structural Support: If the demolition could affect the stability of adjacent structures, ensure they are supported by a system approved by an engineer. A design plan for the support system should be available [3].

6. Supervision and Competency: Appoint a competent supervisor to oversee the demolition process. Ensure all workers are clear of falling materials and that demolition proceeds systematically from top to bottom [4].

7. Dust Control: Implement dust control measures to minimize exposure to airborne particles during demolition [4].

8. Safety Equipment: Ensure all workers use appropriate personal protective equipment (PPE) and that safety protocols are followed throughout the demolition process [4].

9. Continuous Monitoring: Conduct ongoing inspections to identify and mitigate any emerging hazards as the demolition progresses [5].

By following these guidelines, you can create a safe and effective demolition plan that minimizes risks to workers and the surrounding environment.