The provisions of this chapter are not intended to prohibit the use of any material or method of construction not specifically prescribed by this chapter, provided that the use of such alternate has been approved by the City Engineer, prior to such use.
The City Engineer may approve the use of any material or method of construction which will provide an end result in conformance with the requirements of this chapter, provided that sufficient evidence be presented to satisfy the City Engineer of the satisfactory end result to be attained through the use of such material or method of construction prior to his approval of their use. Such tests as may be required shall be performed at the expense of and furnished by the applicant upon request of the City Engineer. (Ord. 3411 § 2 (part); April 1, 1975.)