General scope of structures > Astron

Clear spans 10 to 100m.
Modular spans up to 150m.
Eave heights up to 20m.
Bay spacings 5 to 12m.
Structures outside these general parameters can be possible.
Standard dimensions

Full or partial mezzanines 
Cranes up to 20 tons
Canopies
Parapets
Annexes (wing units)
Jack frames (for larger bay spacings).
Shot-blasted to SA 2.5
Galvanised, cold-formed secondary structure.
High tensile steels