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Inside standpipe systems may be:
(a) Wet, in which the pipes are kept filled with water.
(b) Dry, in which a portion of the piping nearest the hose outlets normally is kept filled with air under pressure and so arranged that the operation of an outlet will automatically admit water to the system. Dry systems shall be used only when a wet system is impractical on account of a deficiency of heat in the area in which piping is located.
(c) Manual dry, in which a permanent water supply is not attached to the system, and which requires water from a Fire Department pumper to be pumped into the system through the Fire Department connection in order to meet the system demand. Manual dry systems shall be used only as provided in Section 15-16-090(a)(5).
(Prior code § 91-57; Amend Coun. J. 10-30-96, p. 31261, § 1; Amend Coun. J. 1-23-19, p. 94952, Art. II, § 2)