Common use of Material Substitution Clause in Contracts

Material Substitution. Substitution of a specified material will only be accepted if the proposed material is satisfactorily demonstrated to the Engineer to be equal in all respects or superior to the original on which the design was based. Recycling and/or reconstitution of solders braze metals, white and bearing metals, tin, zinc, cadmium and similar materials is not permitted without the specific approval of the Engineer. In each case it is expected that virgin metals or their exact equivalent will be used.