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RE: Floor flatness/stair flatness

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Reference: ACI 117 Standard Specifications for Tolerances for Concrete
Construction and Materials, Section 4.5.5 which will direct you to the ASTM
E 1155 (F sub L and F sub F stuff) or to the straightedge method.  ACI 117
is invoked through ACI 301.  Also check out the ACI 117 commentary, it
explains the tolerances much better.

Harold O. Sprague

> -----Original Message-----
> From: JCohen [mailto:jccpc(--nospam--at)]
> Sent: Wednesday, May 09, 2001 8:05 PM
> To: seaint(--nospam--at)
> Subject: Floor flatness/stair flatness
> Does anyone know what are the flatness and slope/level requirements for
> floors and stairs, specifically, for a private educational facility
> located
> in Pennsylvania? Any assistance pointing me to the appropriate
> codes/provisions would be very appreciated. I am in the process of seeking
> this information from the PADE but outside help is still appreciated.
> Many thanks.
> James Cohen
> James Cohen Consulting, P.C.
> PO Box 130
> Pennington, NJ 08534
> Tel: (609) 730-0510
> Fax: (609) 730-0511
> Website:

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