473. Accuracy of bills of quantities.

473.     Accuracy of bills of quantities.

The architect or engineer does not normally warrant the correctness of the bills of quantities1 supplied to the persons who propose to tender, whether they have been prepared by an independent quantity surveyor or by the architect or engineer himself2.

The liability for inaccurate quantities prepared by the architect or engineer rests on the same principle as where they are prepared by an independent quantity surveyor. If the architect or engineer is employed by the contractor, he may of course be liable to him for negligence in their preparation3. In a case