State Highway Construction Contracts

Moss, Deputy Attorney General,

— You have asked to be advised as to your duties as chief engineer, under your contract form No. 408 of April, 1930, in the matter of certifying completion of the contract for final settlement with the contractor under the following circumstances:

A contract was entered into for the construction of a road under which the contractor could use slag as a coarse aggregate in the concrete surface course. The source of supply from which the contractor procured the slag was approved by your department, and your inspector did not discover any defective material after…