(a) A person may not offer to install a multipurpose residential fire protection sprinkler system unless the person has secured the services of at least one RMP who holds a current Master Plumber License with a current Multipurpose Residential Fire Protection Sprinkler Specialist Endorsement issued by the Board.
(b) The RMP with the Multipurpose Residential Fire Protection Sprinkler Specialist Endorsement shall be responsible for the general supervision of the installation and ensuring that:
  (1) the system is installed by a licensed Journeyman or Master Plumber with a current Multipurpose Residential Fire Protection Sprinkler Specialist Endorsement;
  (2) any other person who assists with the installation of a multipurpose residential fire protection sprinkler system is registered or licensed by the Board and is assisting only under the direct supervision of the endorsement holder who is on the job installing the system;
  (3) the system has been designed by a licensed Master Plumber with a current Multipurpose Residential Fire Protection Sprinkler Specialist Endorsement; and
  (4) the system is installed, tested and inspected in accordance with the requirements of the latest edition of the National Fire Protection Association (NFPA) standard 13D and all applicable local ordinances and state laws and rules regulating the installation of multipurpose residential fire protection sprinkler systems.
(c) Upon final completion of the installation, the RMP with the Multipurpose Residential Fire Protection Sprinkler Specialist Endorsement shall be responsible for ensuring that:
  (1) the owner of the system has been provided:
    (A) documentation that includes the RMP's name, license number, company name and contact information;
    (B) a copy of the plans or drawings of the system, as installed; and
    (C) instructions for the operation, maintenance and care of the system, in accordance with the latest edition of NFPA standard 13D and the material manufacturers' recommendations.
  (2) a warning sign is affixed in a visible location that is adjacent to the main shutoff valve; and
  (3) that the warning sign:
    (A) is typed in a font size of at least 1/4 inch;
    (B) identifies the RMP as the installer and includes the RMP's name, license number, company name and contact information;
    (C) states, "WARNING: The water system for this home is a multipurpose system which supplies water to fire sprinklers that require certain flows and pressures to fight a fire. Devices that restrict the flow or decrease the pressure or automatically shut off the water to the fire sprinkler system, such as water softeners, filtration systems, and automatic shutoff valves, shall not be added to this system without a review of the fire sprinkler system by a fire protection sprinkler specialist. DO NOT REMOVE THIS SIGN"; and
    (D) includes the Board's name and telephone number at the bottom.
(d) A Master Plumber who holds a Multipurpose Residential Fire Protection Sprinkler Specialist Endorsement and designs a multipurpose residential fire protection sprinkler system must obtain a seal.
  (1) The Master Plumber with the endorsement is responsible for the security of the seal.
  (2) The seal shall:
    (A) be in the shape of a circle that is at least one and one half inch in diameter;
    (B) include words, "State of Texas" at the top of the seal;
    (C) include the words, "Licensed Master Plumber" at the bottom of the seal; and
    (D) include the name and license number of the Master Plumber with the endorsement positioned horizontally in the center of the seal.
  (3) The seal must be clearly and legibly affixed to each original plan designed by the Master Plumber with the endorsement, and each copy of the plan.
  (4) The Master Plumber with the endorsement must sign and date the plan below the affixed seal.
  (5) By affixing the seal and signing the plan, the Master Plumber with the endorsement assumes responsibility for ensuring that the system as designed meets the requirements of the latest edition of the NFPA standard 13D and all applicable local ordinances and state laws and rules regulating the installation of multipurpose residential fire protection sprinkler systems.

Source Note: The provisions of this §367.8 adopted to be effective August 29, 2018, 43 TexReg 5531; amended to be effective February 16, 2023, 48 TexReg 684