1. Definition and types of confined spaces
1.1 Definition of confined space
2. Types of confined spaces
2.1 Service tunnels
2.2 Underground ions
2.3 Boilers
2.4 Tanks/cisterns for processing and/or storing chemical products
2.5 Other facilities
2.6 PPE, CPE, and safety equipment
3. Risks of working in confined spaces
3.1 General risks of accessing confined spaces
3.2 Specific risks of confined spaces
4. Preventive measures for working in confined spaces
4.1 Documentación necesaria
4.2 Designación y funciones del Recurso Preventivo
4.3 Medidas preventivas generales
4.4 Medidas preventivas específicas.
5. Action in case of emergency
5.1 Emergency response procedure
5.2 Rescue and evacuation teams
5.3 Use of rescue and respiratory protection equipment
6.1 Application of ventilation and techniques to check effectiveness
6.2 Measurement of indoor atmospheres with multiple gas detectors
6.3 Access to confined spaces through vertical and horizontal manholes
6.4 Emergency response; rescue of an injured worker
6.5 Use of self-contained breathing apparatus
6.6 Evacuation and firefighting in enclosures with zero visibility
6.7 Actions in confined spaces that are ATEX zones