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RE: ACI 117
- To: <seaint(--nospam--at)seaint.org>
- Subject: RE: ACI 117
- From: "Arvel L. Williams, P.E." <awilliams(--nospam--at)gwsquared.com>
- Date: Tue, 8 Feb 2005 08:53:30 -0600
- Disposition-notification-to: "Arvel L. Williams, P.E." <awilliams(--nospam--at)gwsquared.com>
A contractor who actuallly understand engineering specification (this is not
thank you, Tom, for pointing out that ACI 318 should "only be used for design"
(take a look at the eighth paragraph of the introduction to ACI 318)...301 is
the right tool (properly referenced)....and the examples you give are the easy
ones (reinforcing placement tolerances) which are easy to police and to
satisfy everyone's expectation. The painful ones are embedment tolerances
(steel column anchor bolts are embedments, tolerance is 1 inch per 117, AISC
wants 1/4 inch) and form surfaces ("I wanted class A because it is a class A
office building! And everything I do is First Class!! What? That is not what
that means? Uh-oh...) and our all time favorites, floor profiles, slab
elevations, and vertical alignment.
edition is available in draft form at the ACI website and it is indeed a
proofreader's bad dream. Take a look, weigh in with any and all comments,
although it might be too late for this cycle.
Richard W. Stone, P.E.
Madison Concrete Construction
130 Quaker lane
Malvern, PA 19355-2479
Visit our webpage at www.madisonconcrete.com