From: Roger Turk <73527.1356(--nospam--at)compuserve.com>
Date: Mon, 5 Apr 1999 16:52:55 -0400
The purpose of weep holes in channel walls is two-fold. The first purpose is
as you discussed --- to keep hydrostatic pressure down. The second purpose
is to keep the channel from floating out of the ground, which you didn't
discuss. Don't forget to calculate buoyancy also.
A. Roger Turk, P.E.(Structural)