Safety Board 

Used to spread the economic impact of a specific operation during the life cycle of the project. 

Acronym of "Site Acceptance Test"

It is the most common type of hitch of all types of automatic hooks. 

Advanced Diagnosis Unit

It is the acronym from spanish of Sistema de Detección y Protección contra Incendios. Detection and protection System against fires.

Failure responsibility at a second level. 

Offers Management System 

Is the acronym ofrom spanish of Sistema de Basculación Interactiva. Interactive Tilting System.

The set of competencies included in each frame

Safety Management System 

National Society of the Belgian Railways

Management Operating System

Internal Development Request

Breakdown of the project into different typologies.