1912.2.3 Horizontal ties.
BC § 1912.2.3
At each column, beam reinforcement or slab bottom reinforcement shall be provided at each level that can develop a tension force equal to the maximum of Item 1 or 2: 1. Three times the load entering the column at that level, using a load combination of 1.0 x DL (self weight of structure only).
2.One and a half times the load entering the column at that level using the load combinations of (1.2 DL 1.6 LL) or 1.4 DL.
3.For transfer elements only, in lieu of Item 1 or 2 the horizontal reinforcement shall be anchored at all supports.













