For a concrete bearing wall that is not part of the lateral force resisting system I am designing/detailing the wall reinforcing per ACI 318 Sect. 22.214.171.124. I have seismic crossties in the transverse direction (perpendicular to longitudinal wall axis) with the ends "anchored" around the vertical reinforcing. Per 126.96.36.199 the spacing of the crossties is d/2. For a 8" concrete wall with reinforcing each face the d = 6.5". This would put the vertical spacing of the ties at 3.25". This seems excessive to me in terms of the vertical spacing. I am curious how others interpret this code requirement.
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