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PROJECT DESCRIPTION:
PROJECT TITAN (MRO HANGER)
PENSACOLA INTERNATIONAL AIRPORT


MORRIS-SHEA PROJECT COMPONENTS

DEWAAL PILE SYSTEM
16 INCH DIAMETER (200K COMP.LOAD – 194 PILES
16 INCH DIAMETER (140K COMP.LOAD) – 128 PILES

PROJECT OVERVIEW
Morris-Shea, a leading foundation contractor, installed deep foundation piles for the new Titan Project Maintenance, Repair and Overhaul (MRO) Hanger at the northeastern corner of Pensacola
International Airport. A total of 322 DeWaal Piles with two different configurations of steel reinforcing cages were drilled at the busy airport. Morris-Shea deployed a PVE 90 drill rig to accommodate the 80
foot height restriction inherent at many active airport job sites. The DeWaal piles were set in a subsurface soil environment of predominantly sands and silty/clayey sands that were overly moisture sensitive.

DEWAAL PILE SYSTEM

Morris-Shea engineers advised the installation of the DeWaal Pile System, rather than originally specified augercast piles. The hanger’s structural load requirements and the job site’s subsurface soil
conditions recommended the use of patented DeWaal Piles as an improved Value Engineered Alternate. The DeWaal Pile System is a drilled, full displacement, cast-in-place concrete pile installed by
powerful, fixed mast drill rigs capable of applying high rotational torque and crowd forces to the unique DeWaal tool. This single-pass process densifies the soil, improves shaft friction and increases overall pile capacity

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