•- Life safety is the minimum level of protection and is the most common approach to protection in the construction of health facilities;

•- Investment protection is designed to protect all or part of the infrastructure and equipment, although the facility itself may stop functioning. This level of protection ensures that the facility resumes operations within a reasonable timeframe and cost;

•- Operations protection, which is the most costly level, includes life and investment protection but also seeks to ensure the facility continues to function after a disaster.