HSC §18016: (a) The provisions of this part are not intended to prevent the use of any material, appliance, installation, device, arrangement, or method of construction not specifically prescribed by this part an

(a) The provisions of this part are not intended to prevent the use of any material, appliance, installation, device, arrangement, or method of construction not specifically prescribed by this part and the rules and regulations promulgated pursuant thereto, provided any alternate has been approved by the department. (b) The department may approve any alternate if it finds that the proposed design is satisfactory and that the material, appliance, installation, device, arrangement, method, or work offered is, for the purpose intended, at least the equivalent of that prescribed in this part and the rules and regulations promulgated pursuant thereto in quality, strength, effectiveness, fire resistance, durability, safety, and for the protection of life and health. (c) Whenever there is evidence that any material, appliance, installation, device, arrangement, or method of construction does not conform to the requirements of this part and the rules and regulations promulgated pursuant thereto, or in order to substantiate claims for alternates, the department may require tests or proof of compliance to be made at the expense of the owner or his or her agent.