An Emergency Response Plan (ERP) is a comprehensive plan that integrates all emergency situations including fire-related emergency. An ERP outlines the response procedures to all the different types of fire and fire-related incidents, and other mass casualty incident in the building or other work place and stipulate the relevant actions to be taken to protect and evacuate people in the building under different emergency scenarios.
Reference Definition by Aiche.org: Emergency Response Plan is a written plan which addresses actions to take in case of plant fire, explosion or accidental chemical release.
Related Definitions in the Project: The Project Management; HSE Management