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CONC - Stripping of Deck Forms

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I have a project in Santa Monica, which is 3 stories of wood over a
structural concrete deck over parking.  The deck is specified as 4000 psi
concrete.  The contractor wants to know if he can strip the forms after 7
days, assuming the concrete has reached full design strength.  I am hesitant
to let him do this because I am afraid the concrete will not be quite cured
enough and the early removal of the forms may result in some deflection/creep
problems.  As an alternate he has offered to reshore at 7 days with posts
spaced further apart than the original shores.  His goal, of course, is to
save money by returning the rented shores as soon as possible.

Any thoughts and/or experience with this issue would be much appreciated as
they are scheduled to pour on Friday and are looking for an answer from me

Thanks in advance for your advice / opinions.

Bruce Resnick