1616.4 Vehicular impact.
BC § 1616.4
Structural columns that are directly exposed to vehicular traffic shall be designed for vehicular impact. Structural columns that are adequately protected by bollards, guard walls, vehicle arrest devices or other elements do not need to be designed for vehicular impact. The load combinations for vehicular impact shall be as specified in Section 1605.5. Specific loads for vehicular impact shall be as follows: 1. Exterior corner columns shall be designed for a concentrated load of 40 kips applied horizontally in any direction from which a vehicle can approach at a height of either 18 inches (457.2 mm) or 36 inches (914.4 mm) above the finished driving surface, whichever creates the worst effect.
2.All other exterior columns exposed to vehicular traffic, and columns within loading docks, and columns in parking garages along the driving lane shall be designed for a concentrated load of 20 kips applied horizontally in any direction from which a vehicle can approach at a height of either 18 inches (457.2 mm) or 36 inches (914.4 mm) above the finished driving surface, whichever creates the worst effect.
