Minn. R. agency 151, ch. 1311, pt. 1311.0706 - SECTION 706, STRUCTURAL
IEBC section 706.2 is amended to read as follows:
706.2
Addition or replacement of
roofing or replacement of equipment Any existing gravity load-carrying
structural element for which an alteration causes an increase in design dead,
live, or snow load, including snow drift effects, that increases the
demand-capacity ratio to more than 105 percent shall be replaced or altered as
needed to carry the gravity loads required by the International Building Code
for new structures. The evaluation of demand-capacity ratios and calculation of
design gravity loads, forces, and capacities shall account for the cumulative
effects of additions and alterations since original construction
Exceptions:
1.
Buildings of Group R occupancy with not more than five dwelling or sleeping
units used solely for residential purposes where the altered building complies
with the conventional light-frame construction methods of the International
Building Code.
2. Buildings in
which the increased dead load is due entirely to the addition of a second layer
of roof covering weighing 3 pounds per square foot (0.1437 kN/m) or less over
an existing single layer of roof covering.
Notes
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