Out of curiosity, if the structure is in a good shape, why is rehabilitation required?
> *** Original Message ***
> I am working on rehabilitating a 1950 concrete seawater intake structure
> that was designed per the 1946 Uniform Building Code. The drawings call
> out for either 2500 psi or 3000 psi concrete and the rebar is called out as
> either square bar for deformed round bars. Does any know what rebar grades
> were used in this time period? I know 40 ksi rebar has been around for a
> long time but as grey as my hair is this is before my time. I might add
> that this structure is in amazingly good shape with little deterioration.
> Goodos for our fathers and grandfathers.
> Thomas Hunt, S.E.
> Duke/Fluor Daniel