"(10) Design and construction of inside storage rooms. (a) Construction. (A) Construct inside storage rooms to meet the required fire-resistive rating in NFPA 30, 1996 edition. (B) Such construction must comply with the test specifications in Standard Methods of Fire Tests of Building Construction and Materials, NFPA 251, 1969 edition. (C) Where there is an automatic sprinkler system, design and in" . . . .