This load combination is intended for checking the characteristic serviceability limit state with wind. It considers wind and snow as the accompanying actions and treats all live loads as leading actions. The load factors used are:

Balance Loading: 1.0 (std & alt)

Dead Loading: 1.0 (std & alt)

Live (Reducible) Loading: 1.0 (std) & 0.0 (alt)

Live (Unreducible) Loading: 1.0 (std) & 0.0 (alt)

Live (Storage) Loading: 1.0 (std) & 0.0 (alt)

Live (Parking) Loading: 1.0 (std) & 0.0 (alt)

Live (Roof) Loading: 1.0 (std) & 0.0 (alt)

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

Wind-Service Loading: 0.5 (std) & -0.5 (alt) (UK National Annex)

Wind-Service Loading: 0.6 (std) & -0.6 (alt) (Generic National Annex)