Section SPS 375.28 - Automatic sprinklers(1) Required automatic sprinkler systems shall be designed and constructed in conformity with good established practice. Only materials and devices approved by the department may be used. Re-installation of used sprinkler heads is prohibited, and other second hand devices may be installed by special permission only.(2) Where an automatic sprinkler system is required throughout a building, supply shall be from a city water main, or from a gravity or pressure tank. If the city water supply is inadequate in either pressure or volume, a tank of not less than 5,000 gallons capacity shall be provided. The bottom of a gravity tank shall be not less than 35 feet above the under side of the roof.(3) Where automatic sprinklers are required in a basement only, the supply shall be from a city water main. Where there is no city water supply, such basement sprinklers need not be installed, but at such time as a city supply becomes available, such required basement sprinklers shall be installed.(4) Every basement sprinkler system shall also include sprinklers in all shafts (except elevator shafts) leading to the story above.(5) Every sprinkler system shall have a suitable audible alarm and an approved Siamese connection marked "To Automatic Sprinklers."Wis. Admin. Code Department of Safety and Professional Services SPS 375.28
1-2-56; renum. and am., Register, September, 1974, No. 225, eff. 10-1-74.