The provisions of this chapter are not intended to prevent the use of any material or any method of construction not specifically prescribed herein, provided any such alternate has been approved and its use authorized by the General Manager. The General Manager may approve any such alternate, provided he or she finds that the proposed design is satisfactory and complies with the intent of this chapter and that the material or method of work offered is for the purpose intended, at least the equivalent of that herein prescribed in quality, strength, effectiveness, durability and safety. The General Manager shall require that sufficient evidence or proof be submitted to substantiate any claims that may be made regarding the sufficiency of any such proposed material or type of construction.
(1995 Code, § 7.20.310) (Ord. 17-03, passed 3-21-2017; Ord. 15-02, passed 5-5-2015)