§ 23.30.511.3. Specific areas adjacent to classified locations.

Latest version.

Replace subsection (1) with:
(1)

Specific areas adjacent to classified locations. Areas adjacent to classified locations in which flammable vapors are not likely to be released such as offices, stock rooms, switchboard rooms, and other similar locations shall be unclassified where any of the following parameters apply:

a)

Adjacent areas less than 300 square feet and mechanically ventilated at a rate of four or more air changes per hour.

b)

Adjacent areas designed with positive air pressure.

c)

Adjacent areas effectively cutoff by walls or partitions. Doorways shall be by means of a vestibule providing a two door separation.

( AO No. 2015-127, § 1, 4-1-16 )

                    
                        var val = document.getElementById('citecontent').innerHTML;
                        art.dialog.defaults.title = window.location.href;
                        art.dialog.data('cite', val);
                        art.dialog.data('homeDemoPath', '/Scripts/plus/artDialog/');
                        art.dialog.open('/Scripts/plus/artDialog/citeiframe.html');