This load combination is intended for checking the strength limit state with applied wind and live loads. The load factors used are:

Hyperstatic Loading: 1.0 (std & alt)

Dead Loading: 1.25 (std & alt)

Live Loading: 1.5 (std) & 0.0 (alt)

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

Service Wind Loading: 0.4 (std) & -0.4 (alt)