The term "applicable codes and ordinances" and the enforcement thereof as referred to in this as well as other sections of this chapter shall apply to those codes and/or ordinances which are listed as follows:
A. 
The BOCA National Building Code, 1987 Edition, as published by the Building Officials and Code Administrators International, Inc.
B. 
The BOCA National Existing Structures Code, 1987 Edition, as published by the Building Officials and Code Administrators International, Inc.