If you have to resort to asking questions like that on a site like this, then you are out of your league when it comes to the job you're pricing and you probably haven't a hope.
J, March 2009
This guy did it...
http://en.wikipedia.org/wiki/Marc_Isambard_Brunel
Good luck...stay dry...
Peccavi, March 2009
edit
I can answer this question...
we a re currently priceing a rail station job which has a water ingress pro?