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RE: Slab on grade Crack repairs

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Can't agree with you more !!!
Ed Najjarine, SE
-----Original Message-----
From: Bill Marczewski [mailto:bmarczewski(--nospam--at)]
Sent: Thursday, March 06, 2003 2:28 PM
To: seaint(--nospam--at)
Subject: RE: Slab on grade Crack repairs

I don't want to sponsor any trouble on the list, but we all have to design our first beam sometime.  Hopefully that first beam is done under the direction of a registered professional while you're an engineering intern.  We must also remember that we are expected to perform within the bounds of our own area of competence, and we ourselves are the judge of that until it becomes a lawsuit.  Hopefully it won't become such.  This list, as well as several of my former employees, and co-workers serve as my mentors and I will continue to use them as such.  We are all going to continue to see new "first time" design experiences as our careers progress, and I don't think we have to walk away from them if we have never performed such a design.  "Experts," if you will, in a particular subject participate on this list routinely.  Who else better to learn from?  Stay honest, ethical, and utilize the resources of other experienced engineers to your advantage.  I think that's what we're all trying to do on this list.

Bill S. Marczewski, P.E.
Peratrovich, Nottingham & Drage, Inc.
503-325-1250 Main; 503-325-9789 Fax

-----Original Message-----
From: Ed Najjarine [mailto:enajjarine(--nospam--at)]
Sent: Thursday, March 06, 2003 12:55 PM
To: seaint(--nospam--at)
Subject: RE: Slab on grade Crack repairs

Some engineers limit themselves by convincing themselves that no metter what, they're unqualified. It is simple but is a tedious process:
First ask, then research and investigate, consult with others on the subject, when you feel qualified, give recommendation accordingly.
I guess we disagree, and we have to leave it at that.
Ed Najjarine, SE
-----Original Message-----
From: GSKWY(--nospam--at) [mailto:GSKWY(--nospam--at)]
Sent: Thursday, March 06, 2003 10:56 AM
To: seaint(--nospam--at)
Subject: Re: Slab on grade Crack repairs

In a message dated 3/6/2003 12:55:43 PM Eastern Standard Time, enajjarine(--nospam--at) writes:

Soliciting information over the internet along with comprehensive research on the subject (ACI 224.1R, and other available technical letters on the subject) is very effective, and can provide the necessary information on any subject. We can't simply limit ourselves to what we know best.

I would have to disagree with just about all of the above.  This is a sizeable difference between "not limiting ourselves to what we know best"  and "making recommendations we are unqualified to make".   

I would also note that ACI 224.1 (written in the early 90s) is not really considered "state of the art".  It is, however, a good reference for someone knows very little about concrete repair.

Gail S. Kelley