5. Conclusion

Compliance with these rules is intended to enable more widespread use of prefabrication. When drawing up tender documents, project managers are faced with a major obstacle: how can they draw up sufficiently detailed specifications and sufficiently precise plans, while at the same time allowing future contractors freedom in their choice of construction methods? Opting for the use of prefabricated components without knowing the manufacturers in advance requires reference to rules accepted by all.

These constraints or "rules of the game" imposed on the various partners (and then accepted) aim to authorize :

• architectural diversity and quality;

• use of a variety of materials (concrete, steel, wood, etc.);

• the use of a variety of current and future technologies, without...