Roof truss calculations

[cjay55]

Roof Truss calculations. I have bought some second hand roof trusses for my new workshop but building control need structural calculations
the dimentions are span 5600mm no overhang. height 1025. building 15500 long, any help appreciated i dont realy want to pay a structual engineer £ 500

[stoneyboy]

cjay55,
If you want BC approval you have no choice especially with the span given. Pay £500.
end

[DevilDamo]

Do you know where the trusses came from because it may be worth getting in contact with the original truss manufacturer to see what they can do. They "may" be cheaper than a SE.