This load combination is intended for checking the ultimate limit state. The load factors used are:

Hyperstatic Loading: 1.0 (std & alt)

Dead Loading: 1.25 (std) and 0.9 (alt)

Live (Reducible) Loading: 1.5 (std) and 0.0 (alt)

Live (Unreducible) Loading: 1.5 (std) and 0.0 (alt)

Live (Storage) Loading: 1.5 (std) and 0.0 (alt)

Live (Parking) Loading: 1.5 (st) and 0.0 (alt)

Live (Roof) Loading: 1.5 (std) and 0.0 (alt)

Snow Loading: 0.5 (std) and 0.0 (alt)