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RE: waterproofing a retaining wall...
- To: <seaint(--nospam--at)seaint.org>
- Subject: RE: waterproofing a retaining wall...
- From: "Kestner, James W." <jkestner(--nospam--at)somervilleinc.com>
- Date: Thu, 3 Mar 2005 14:49:27 -0600
I am designing a house on a steep hillside lot in
San Francisco. It is a zero lot line condition, where this house and the
neighboring houses have no side setbacks. The required cuts into our lot will
require soldier piles and lagging. The structural engineer has designed a
system where the lagging is on the property line and the soldier piles (wide
flange columns) are in front of the lagging (typically the lagging is placed
within the flanges of the piles). The soldier piles will have holes
in them, to allow horizontal reinforcement to pass through them and these
piles will be incased within the concrete.
My question is waterproofing. Does anyone know of
a way to waterproof a condition such as this? In a typical situation, where
space is not an issue, the lagging will be placed within the flanges and will
be placed against the front flange. This relatively flat plane will then be
covered by the waterproofing membrane and the concrete wall will be poured /
shot against this system.
Any help is