Construction contracts are, at their very heart, a written
agreement of how risks are to be allocated between the parties to a
construction project. Those risks can be categorised as legal,
contractual and commercial by their nature.
Where standard form construction contracts such as the FIDIC
suite have attempted to make that allocation within the conditions
of contract, it is most often based on a consideration of who can
best bear the obligation and consequences of any particular risk on
a project, including the ability to insure in order to cover its
occurrence.
At its simplest level, the Employer (and its designer) would be
responsible for the design of the project and the contractor would
be responsible for the construction of the project in a traditional
construction contract. However, both the design and construction
risk are passed over to the contractor in a 'design and
build' situation and the Contractor will, quite properly,
increase and build into