issuance of the final acceptance certificate whichever is later. All instructions to the Contractor will be issued by the Engineer. The Engineer will have the authority to act on behalf of the Corporation only to the extent provided in the Contract Documents.

ii. All claims, disputes and other matters in question relating to the performance and the quality of the Work or the interpretation of the Contract Documents shall be initially referred to the Engineer in writing by the Contractor. The Engineer will give a decision in writing within a reasonable time.

iii. The Engineer will inspect the Work for its conformity with the plans and specifications, and will record the necessary data to establish payment quantities under the schedule of tender quantities and unit prices or to make an assessment of the value of the Work completed in the case of a lump sum price contract.

iv. The Engineer will determine the amounts owing to the Contractor under the Contract and will issue certificates for payment in such amounts as provided for in Section 7. Measurement and Payment.

v. The Engineer will, with reasonable promptness, review and take appropriate action upon the Contractor’s submissions such as shop drawings, product data, and samples in accordance with the Contract Documents.

vi. The Engineer will investigate all allegations of a change in the character of the Work made by the Contractor and issue appropriate instructions.

vii. The Engineer will prepare Change Orders for the Contractor’s signature and the Commissioner’s approval.

viii. Upon written application by the Contractor, the Engineer and the Contractor will jointly conduct an inspection of the Work to establish the date of Substantial Performance of the Work and/or the date of Completion of the Work.

ix. The Engineer will be, in the first instance, the interpreter of the Contract Documents and the judge of the performance thereunder by both parties to the Contract. Interpretations and decisions of the Engineer shall be consistent with the intent of the Contract Documents.

x. The Engineer will have the authority to reject work or material which does not conform to the Contract Documents.