From: "Tom Cular" 
Newsgroups: alt.building.construction alt.home.repair misc.consumers.house
Subject: Re: Replacing shallow concrete foundations - worth it?
Date: Tue, 27 Nov 2007 09:04:26 GMT
Bytes: 2228

John,

The process is called underpinning and is performed regularly without damage 
to the structure above. It's not a complicated job for a building the size 
of a home, but there are several methods and you really need site specific 
direction from a local engineer.

Tom

>>> Hi,
>>>
>>> Our N.Z. timber house is on a slope. The side of the house facing the 
>>> valley has concrete foundations that are very, very shallow (probably no 
>>> more than 8-10 inches deep). My guess is that when it is raining very 
>>> very hard, and for a long time, the foundations can move a little bit. 
>>> Another issue is when kids are playing with the garden hose... (ouch!)
>>>
>>> We've had to replace one foundation that was kind of going down the 
>>> valley actually.
>>> Four other concrete foundations could be replaced.
>>>
>>> The inside of the house is quite new, I'm scared that the repiling 
>>> process may damage the nice work that been done inside.
>>> Is the repiling process safe? Is the house likely to move when repiling?
>>>
>>> The house is on clay.
>>>
>>> Any opinions?
>>>
>>> Thanks for any advice.
>>>
>>>
>>
>>
>