053-4 Wyo. Code R. § 75.343
Current through April 27, 2019
(a) Underground shops shall be equipped with an automatic fire suppression system meeting the requirements of 75.1107-3 through 75.1107-16, or be enclosed in a noncombustible structure or area.
(b) Underground shops shall be ventilated with intake air that is coursed directly into a return air course.
053-4 Wyo. Code R. § 75.343