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RE: Repairing concrete metal deck.

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I’m not familiar with hydroblasting. Can you give me some references of how this method might work.


Barry H. Welliver



-----Original Message-----
From: THunt(--nospam--at) [mailto:THunt(--nospam--at)]
Sent: Friday, August 30, 2002 11:12 AM
To: seaint(--nospam--at)
Subject: Re: Repairing concrete metal deck.



If all you need is to remove a couple of inches off the top you may want to look into hydroblasting then replace with a non-shrink mortar patch.

Thomas Hunt, S.E.
ABS Consulting


"Barry H. Welliver" <barrywelliver2(--nospam--at)>

08/30/2002 09:49 AM
Please respond to seaint

        To:        "Seaint Listserv" <seaint(--nospam--at)>
        Subject:        Repairing concrete metal deck.

Opinions Wanted:, (some experience required/desired)
I have a project where plumbing was installed incorrectly in a concrete metal deck on steel joists. Because the concrete is the finish for the floor it is necessary to remove and re-pour an approximately 8'x8' section. The questions are is it possible to just cut the upper thickness of concrete, remove it, and re-pour (with appropriate doweling etc.) or should the entire pan be removed and replaced??
I suspect the concrete removal option may be difficult. Has anyone had experience with this?
Barry H. Welliver