Paragraph 3

The undertaker shall, before commencing the specified works, furnish to the Company proper and sufficient plans thereof for the approval of the engineer, whose approval shall not be unreasonably withheld, and shall not commence the specified works until the plans thereof have been approved in writing by the engineer or settled by arbitration; but if within 56 days after such plans have been furnished to the Company the engineer shall not have intimated his disapproval thereof and the grounds of his disapproval, he shall be deemed to have approved the same.