REALWorld Law

Construction

Parties to a construction or engineering contract

Typically, who are the parties to an engineering or construction contract or package of contracts and who is responsible to whom?

Belgium

Belgium

A construction contract is generally concluded between a contractor and the client (or principal). An engineering contract is generally concluded between an engineer and the client (or principal), or the main contractor or architect.

The relationship between the principal and the engineer or contractor is in essence contractual in nature, implying that the parties are free to contractually determine each other’s rights and obligations, subject to applicable mandatory laws.

In principle, the client or principal must enable or authorize his co-contractor (being the engineer or contractor) to carry out the work. Furthermore, the principal must accept or approve the work and will be required to pay the agreed price.

The engineer or the contractor must carry out the work in accordance with:

  • The contract
  • The applicable law(s) and regulations
  • The state of the art

Unless explicitly prohibited by the contract, the engineer or the contractor can work with sub-contractors. In such a situation, the engineer or contractor will bear full responsibility towards the principal for the execution of the work.

An architect will be responsible to the principal and will come under the control of the contractor during the execution of the works. The architect will also have the assistance of the principal at the point of acceptance or approval of the work.

Under Belgian law, the builder and the architect need to be completely independent of one another. Contracts that do not guarantee such independence (e.g. with the builder appointing the architect), are voided.