The Building Inspector and City Engineer may approve or disapprove any device, material or construction proposed to be used which is not specifically provided for in this article, basing his or her decision upon the results of satisfactory evidence from competent and impartial tests or investigations conducted by the National Bureau of Standards, American Society for Testing Materials, American Standards Association or other reputable agency, or made under his or her direction, that such material or types of construction meet the requirements of this article.
(2005 Code, § 9-307)