help required on tender amount - structures

huangyhg

help required on tender amount - structures
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.