Section SPS 316.511 - Commercial garages, repair and storage(1) The requirements specified in 2011 NEC 511.3 (C) (1) (a) are not included as part of this chapter.(2) Substitute the following wording for 2011 NEC 511.3 (C) (2) (a): The ceiling area shall be unclassified where ventilation is provided from a point not more than 18 inches from the highest point in the ceiling. The ventilation shall conform to chs. SPS 361 to 366. Note: The Commercial Building Code, chapters SPS 361 to 366, adopts and references the International Mechanical Code, IMC, for the design of ventilation systems. The adopted provisions of the International Mechanical Code under section 502.16 prescribe provisions for repair garages for natural gas- and hydrogen- fueled vehicles.
(3) Substitute the following wording for "Extent of Classified Location" in 2017 NEC Table 511.3 (C) under which the floor area of a major repair garage is considered unclassified: Up to 450 mm (18 in.) above floor level of the room where the room is provided with ventilation from a point not more than 300 mm (12 in.) from the lowest point of the floor area and the ventilation conforms to chs. SPS 361 to 366.(4) Substitute the following wording for "Extent of Classified Location" in 2017 NEC Table 511.3 (D) under which the ceiling area of a major repair garage is considered unclassified: Within 450 mm (18 in.) of ceiling where ventilation is provided from a point not more than 450 mm (18 in.) from the highest point in the ceiling and the ventilation conforms to chs. SPS 361 to 366.Wis. Admin. Code Department of Safety and Professional Services SPS 316.511
Amended by, CR 08-047: cr. Register February 2009 No. 638, eff. 3-1-09; CR 13-042: renum. SPS 316.511 to (1) and am. (title) and (1), cr. (2) Register November 2013 No. 695, eff. 12-1-13; correction in (1) made under s. 13.92 (4) (b) 7, Stats., Register November 2013 No. 695; CR 16-093: am. (1), (2), cr. (3), (4) Register June 2018 No. 750, eff 8/1/2018.