Pamphlet no. 54, published by the National Fire Protection Association, entitled natural fuel gas code, is hereby adopted and incorporated in this code by reference. The pamphlet shall be in full force and effect in the city and shall govern the standards and installation of gas piping and gas appliances in buildings in the city. Any violation of the provisions of the pamphlet shall be deemed an offense against the city. (2000 Code § 5-304)