Minnesota Administrative Rules

1311.0402 SECTION 402, ADDITIONS.

Subpart 1.

Section 402.3 Existing structural elements carrying gravity load.

IEBC section 402.3 is amended to read as follows:

402.3 Existing structural elements carrying gravity load. Any existing gravity load-carrying structural element for which an addition and its related alterations cause an increase in design gravity load of more than 5 percent shall be evaluated by a licensed design professional and modified, if necessary, to ensure it is designed to carry the increased gravity load required by the International Building Code for new structures. Any existing gravity load-carrying structural element whose gravity load-carrying capacity is decreased shall be considered an altered element subject to the requirements of IEBC section 403.3. Any existing element that will form part of the lateral load path for any part of the addition shall be considered an existing lateral load-carrying structural element subject to the requirements of IEBC section 402.4.

Subp. 2.

Section 402.5 Smoke alarms in existing portions of a building.

IEBC section 402.5 is amended to read as follows:

402.5 Smoke alarms in existing portions of a building. Where an addition is made to a building or structure of a Group R or I-1 occupancy, the existing building shall be provided with smoke alarms in accordance with the Minnesota Building Code, chapter 1305.

Statutory Authority:

MS s 326B.02; 326B.101; 326B.106

History:

39 SR 95

Published Electronically:

January 26, 2015