- EN 12312-4: Aircraft ground equipment. Specific requirements. Part 4: Passenger boarding gate bridges.
- ADA: American with Disabilities Act. “ADA Standards for Accessible Design”.
- EN 6349-8: Maritime Structures. Part 8: Code of practice for the design of Ro-Ro ramps, link spans and walkways.
- EN 81-70:2003. Safety regulations for the construction and installation of elevators. Special applications to passenger elevators and of passengers and cargo. Part 70: Accessibility to lifts for persons including persons with disabilities.
Environmental impact evaluation
- Royal Legislative Decree 1/2008, January 11, approving the revised text of the Law on Environmental Impact Evaluation of projects.
- Act 11/2006 of 14 September, environmental impact evaluations and strategic environmental evaluations in Autonomous Community of Andalusia.