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RE: Converting ceiling joist to floor joist.[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: <seaint(--nospam--at)seaint.org>
- Subject: RE: Converting ceiling joist to floor joist.
- From: "Ben Yousefi" <Ben.Yousefi(--nospam--at)SMGOV.NET>
- Date: Thu, 22 Sep 2005 10:17:35 -0700
- Disposition-notification-to: "Ben Yousefi" <Ben.Yousefi(--nospam--at)SMGOV.NET>
I generally agree with your well thought out responses. However, in this instance, while I agree with your interpretation on dimensional requirements, there are now reinforcement requirements in the code (at least for higher seismic regions) that existing footing most likely does not have. Codes generally prohibit imposing new loads on an existing substandard element. In our neck of the wood we require underpinning or new footing if the existing footing does not have any reinforcement.
Ben Yousefi, SE
From: Nels Roselund
Table 18-1-C of the 1997 UBC prescribes the minimum requirements for number of floors [in addition to a roof] that may be supported on minimum size footings – unusual conditions excepted. An existing foundation for a house built on a slab on grade supports only a roof – a floor may be added without modifying the foundation.
In my case, I have the ex. footing dug and verified the soil. If the footing is inadeaquate, i would suggest helical piles system.
I wonder if anyone else has any other ideas!
Yahoo! for Good
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