452. Authority of architect usually implied.

The contract between the employer and the contractor will usually contain provisions which define, limit or extend the authority of the architect, and this authority will not be construed so as to confer powers not necessary for the effectual exercise of the powers expressly granted1.

Where the architect's engagement is not on standard or otherwise clear terms, his authority may not be clearly defined. Thus, where an architect is merely instructed to prepare plans, his employment is not that of an agent, and he therefore has no implied authority to obtain tenders or to negotiate for advances2. However, where he