1604.8 - Anchorage
1604.8.1
General. Anchorage of the roof to walls and columns, and of walls and
columns to foundations, shall be provided to resist the uplift and sliding
forces that result from the application of the prescribed loads.
1604.8.1
General. Anchorage of
the roof to walls and columns, and of walls and columns to foundations, shall
be provided to resist the uplift and sliding forces that result from the
application of the prescribed loads.
1604.8.2
Walls. Walls shall be
anchored to floors, roofs and other structural elements that provide lateral
support for the wall. Such anchorage shall provide a positive direct connection
capable of resisting the horizontal forces specified in this chapter but not
less than the minimum strength design horizontal force specified in Section
11.7.3 of ASCE 7, substituted for "E" in the load combinations
of Section 1605.2 or 1605.3. Concrete and masonry walls shall be designed to
resist bending between anchors where the anchor spacing exceeds 4 feet (1219
mm). Required anchors in masonry walls of hollow units or cavity walls shall be
embedded in a reinforced grouted structural element of the wall. See Sections
1609 for wind design requirements and 1613 for earthquake design
requirements.
1604.8.3
Decks. Where supported by attachment to an exterior
wall, decks shall be positively anchored to the primary structure and
designed for both vertical and lateral loads as applicable. Such attachment
shall not be accomplished by the use of toenails or nails subject to
withdrawal. Where positive connection to the primary building structure cannot
be verified during inspection, decks shall be self-supporting. Connections of
decks with cantilevered framing members to exterior walls or other framing
members shall be designed for both of the following:
1. The reactions resulting from the dead load
and live load specified in Table 1607.1, or the snow load specified in Section
1608, in accordance with Section 1605, acting on all portions of the
deck.
2. The reactions resulting
from the dead load and live load specified in Table 1607.1, or the snow load
specified in Section 1608, in accordance with Section 1605, acting on the
cantilevered portion of the deck, and no live load or snow load on the
remaining portion of the deck.
Notes
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