Minnesota Administrative Rules

1305.0414 SECTION 414, HAZARDOUS MATERIALS.

Subpart 1.

Section 414.2.4.

IBC section 414.2.4 is amended to read as follows:

414.2.4 Fire-resistance-rating requirements. The required fire-resistance rating for fire barrier assemblies shall be in accordance with Table 414.2.2.

Subp. 2.

Section 414.2.6.

IBC section 414.2 is amended by adding a subsection to read as follows:

414.2.6 Hazardous materials above the third floor in laboratories in Group B, E, and I-2 occupancies. Control areas containing laboratories located above the third floor in Group B, E, or I-2 occupancies may be exempt from the provisions in Sections 414.2.1 through 414.2.4 if all of the following conditions are met:

1. Buildings containing the laboratories are equipped throughout with automatic sprinkler protection installed in accordance with Section 903.3.1.1;

2. Control areas containing laboratories located above the third floor are separated from each other and other portions of the building by a fire barrier having a fire-resistance rating of not less than two hours;

3. The maximum amount of hazardous materials in storage and in use in control areas containing laboratories does not exceed ten percent of the maximum allowable quantities listed in Tables 307.1(1) and 307.1(2) with all increases allowed in the footnotes of those tables; and

4. The maximum number of control areas containing laboratories shall not exceed 5 per floor.

Statutory Authority:

MS s 16B.37; 16B.59 to 16B.76; 326B.101 to 326B.194

History:

27 SR 1474; 32 SR 7; L 2007 c 140 art 4 s 61; art 13 s 4; L 2008 c 337 s 64

Published Electronically:

June 19, 2015