Ultimate LC: 1.35ξ D + 0.9H + 1.5L + 0.75S
This load combination is intended for checking the strength limit state in accordance with Exp. (6.10b) in Table A1.2 (B). It conservatively applies a factor of 1.5 to all live loads, even though the Code technically permits ψ 0 to be applied to accompanying variable actions. The load factors used are:
Hyperstatic Loading: 0.9 (std) & 1.1 (alt)
Dead Loading: 1.25 (std) & 1.0 (alt) (UK National Annex, ξ = 0.925)
Dead Loading: 1.15 (std) & 1.0 (alt) (Generic National Annex, ξ= 0.85)
Live (Reducible) Loading: 1.5 (std) & 0.0 (alt)
Live (Unreducible) Loading: 1.5 (std) & 0.0 (alt)
Live (Storage) Loading: 1.5 (std) & 0.0 (alt)
Live (Parking) Loading: 1.5 (std) & 0.0 (alt)
Live (Roof) Loading: 1.5 (std) & 0.0 (alt)
Snow Loading: 0.75 (std) & 0.0 (alt)