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RE: New footing beside existing

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I never dowel into an existing footing in order to prevent differential
settlement.  I figure that in order to prevent differential settlement I
would have to design the connection to take the amount of load that would
cause (or prevent) the settlement -- which is usually prohibitive.  I would
rather let the construction loads settle and then deal with any remaining
differential above grade and know that the footings have their own adequate
bearing.  I've never had any problems doing this.

Jim Persing, SE

> -----Original Message-----
> From: Will Haynes [mailto:haynewp(--nospam--at)]
> Sent: Tuesday, February 04, 2003 12:56 PM
> To: seaint(--nospam--at)
> Subject: New footing beside existing
> I have always doweled into and connected to an existing
> footing when placing
> a new footing and column adjacent to an existing building. Is
> this always
> recommended due to differential settlement, or could there be
> a case where
> there is good soil strength so it is not required?

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