(a) The State Fire Marshal and the Division of Construction Management of the Department of Finance are each hereby authorized to construe and interpret the standards and specifications prescribed as authorized in this article.
(b) Each of such officers is hereby authorized, with the concurrence of the other, to grant a waiver of a particular standard or specification upon proper application therefor, when in their joint opinion, following the specification or standard would be unreasonably costly and impractical, or that an alternative facility is already reasonably available.