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Project Info
Order Number	State Project Number	Last Date to Post Questions
C91	(NFO) U000-109-179, M501,B602	8/22/2014
Question
Question		Date: 8/19/2014
Please supply the 28-day design strength for the A5 concrete in the prestressed voided slabs. Thank you.

Answer History
Previous Answers	PostDate
Following note will be added via post-award revision to plans on Sheet 1 of General Notes: Prestressed concrete in all beams shall be Class A5 having a minimum compressive cylinder strength at 28 days equal to 5000 psi and a minimum compressive cylinder strength at time of release of strands equal to 4000 psi.	8/21/2014
The 28 day design strength for the prestressed concrete slabs will be 5000psi in accordance with Road and Bridge Spec Section 217.07	8/19/2014

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