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Hopefully. C24 dry graded 6x2 joists, green treated 4x4 posts with post savers, multiple coats of Ronseal shed & fence preserver (dark brown to make the frame less noticeable through the deck board gaps) extra attention paid to cut ends and post tops (which were cut with a run off angle), 150mm structural screws for all joints plus joist hangers for good measure (nailed in to counter the lesser shear strength of the screws).
Deck boards will be 33mm x 145mm and getting two coats of deck oil. May then also paint the shed with the same oil for colour matchy matchy and extra UV protection.
That should survive the apocalypse