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Geotechnical Engineering • Materials Testing • Special Inspection • Design
Offices in: Little Rock, AR • Springdale, AR • Jonesboro, AR • Birmingham, AL
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October 17, 2023
To: Markus Homes
From: Steve Garrett PhD, PE
Subject: 93 Orle Circle
Upper Retaining Wall
Pool Construction
The construction of the pool foundation will significantly reduce the lateral pressure on the
previously constructed short upper retaining wall. In addition, it will decrease the lateral pressure on
the lower wall by reducing the load from 125 pcf of soil weight to 62.5 pcf for the weight of water.
There will be no added hydrostatic pressure due to the pool.
The pool wall may be placed within 2 feet of the existing upper wall. The excavator shall not dig
through or pull any existing grid. The grid should be cut where encountered. Only the upper grid will
be altered by the installation of the pool.