Fire protection sprinkler systems as defined in Section 23-45-30(6) must be designed and installed according to National Fire Protection Association (NFPA) Chapter 13, 1991 Edition; NFPA 13A, 1987 Edition; NFPA 13D, 1991 Edition; NFPA 13R, 1991 Edition; NFPA 14, 1993 Edition; NFPA 20, 1993 Edition; and NFPA 24, 1992 Edition, and all pamphlets referenced in them. In addition the following codes and standards must be followed when applicable: NFPA 1, 1993 Edition; NFPA 10, 1990 Edition; NFPA 14A, 1989 Edition; NFPA 22, 1993 Edition; NFPA 25, 1992 Edition; NFPA 101, 1991 Edition; NFPA 231, 1990 Edition; NFPA 231(C), 1991 Edition; NFPA 231(D), 1989 Edition; and NFPA 409, 1990 Edition. Within thirty calendar days from the date of submission to the Division of the State Fire Marshal, the review of sprinkler plans for compliance with the above codes must be completed and a letter issued either approving the plans or listing the corrective action necessary for approval. If no letter is issued within thirty calendar days, the plans are deemed to be approved.