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// CODE SNIPPET

[BS] A206.2 Special Requirements for Wall Anchorage Systems

Existing Building Code 2015 of Idaho > A2 Earthquake Hazard Reduction in Existing Reinforced Concrete and Reinforced Masonry Wall Buildings With Flexible Diaphragms > A206 Analysis and Design > A206.2 Special Requirements for Wall Anchorage Systems
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The steel elements of the wall anchorage system shall be designed in accordance with the building code without the use of the 1.33 short duration allowable stress increase when using allowable stress design.

Wall anchors shall be provided to resist out-of-plane forces, independent of existing shear anchors.
Exception: Existing cast-in-place shear anchors are allowed to be used as wall anchors if the tie element can be readily attached to the anchors, and if the engineer or architect can establish tension values for the existing anchors through the use of approved as-built plans or testing and through analysis showing that the bolts are capable of resisting the total shear load (including dead load) while being acted upon by the maximum tension force due to an earthquake. Criteria for analysis and testing shall be determined by the building official.

Expansion anchors are only allowed with special inspection and approved testing for seismic loading.

Attaching the edge of plywood sheathing to steel ledgers is not considered compliant with the positive anchoring requirements of this chapter. Attaching the edge of steel decks to steel ledgers is not considered as providing the positive anchorage of this chapter unless testing and/or analysis are performed to establish shear values for the attachment perpendicular to the edge of the deck. Where steel decking is used as a wall anchor system, the existing connections shall be subject to field verification and the new connections shall be subject to special inspection.

Related Code Sections


A206.2 Earthquake Hazard Reduction in Existing Reinforced Concrete and Reinforced Masonry Wall Buildings With Flexible Diaphragms, Special Requirements for Wall Anchorage Systems
The steel elements of the wall anchorage system shall be designed in accordance with the building code without the use of the 1.33 short duration ...
Existing Building Code 2015 of Idaho > A2 Earthquake Hazard Reduction in Existing Reinforced Concrete and Reinforced Masonry Wall Buildings With Flexible Diaphragms > A206 Analysis and Design > A206.2 Special Requirements for Wall Anchorage Systems
1705.12 Special Inspections and Tests, Special Inspections for Seismic Resistance
Exception: Special inspections are not required in the seismic force-resisting systems of buildings and structures assigned to Seismic Design Category B ...
Building Code 2015 of Idaho > 17 Special Inspections and Tests > 1705 Required Special Inspections and Tests > 1705.12 Special Inspections for Seismic Resistance
1705.12 Special Inspections and Tests, Special Inspections for Seismic Resistance
, E, or F, special inspections are not required for structural steel seismic force-resisting systems where design and detailing in accordance with AISC ...
Building Code 2018 of Idaho > 17 Special Inspections and Tests > 1705 Required Special Inspections and Tests > 1705.12 Special Inspections for Seismic Resistance
R606.11 Wall Construction, Anchorage
) ANCHORAGE REQUIREMENTS FOR MASONRY WALLS LOCATED IN SEISMIC DESIGN CATEGORY A, B OR C AND WHERE WIND LOADS ARE LESS THAN 30 PSF For SI: 1 ...
2017 Idaho Residential Code > 6 Wall Construction > R606 General Masonry Construction > R606.11 Anchorage
R606.11 Wall Construction, Anchorage
(1) ANCHORAGE REQUIREMENTS FOR MASONRY WALLS LOCATED IN SEISMIC DESIGN CATEGORY A, B OR C AND WHERE WIND LOADS ARE LESS THAN 30 PSF For SI ...
Idaho Residential Code (2020 Edition) > 6 Wall Construction > R606 General Masonry Construction > R606.11 Anchorage
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