Help required on tender amount - structures

[Arrie]

Thanks jheidt2543 for the response to my querie.

I am still a bit in the dark as to how much I should tender for the following project. Please help me on how much I should tender if the folowing information is available.

Tender on Structural works:

2 x Warehouse industrial Storagebuilding on 1 site.
Steel portal frame for both - max height 10m .
Area 1 - 1680 mm^2 (35 x 48).
Area 2 - 1695 mm^2 (32 x 53).
Grid of pile and ground beams (say 5 x 6m).
Internal columns to brake up span.
Steel sheeting as cladding.
Cost allowed for structural works - £1,200,00-00.

Thanks for the advise in advance.