Earnest Commercial Construction Installs (1298) Helical Piles as Deep Foundations for a New Facility Near Orlando International Airport

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Project Overview

The site is near the Orlando International Airport (MCO), so named from McCoy Air Force Base - a former US Navy training center (McCoy Annex). Much of the site was filled with shallow waste debris as a landfill that was abandoned and was over grown with trees and underbrush.

Geotechnical testing revealed the garbage fill had to be removed prior to installing the helical pile deep foundations. The engineer specified a 24’ maximum depth for the piles so the residual garbage would not leach into an underlying aquifer.

Initial testing

Density testing on 5 September 2021 to 90’ using single 12’ helix bearing plate at 3 locations
Density testing on 18 September 2021 using 10”-12”-14”-19” helix bearing plate configuration to establish helical pile performance at 3 locations
Full compression tests on 7 January 2022 to failure to establish proper Kt at 3 locations
Full tension tests on 2 July 2024 to failure to establish tension Kt at 2 locations
(1298) piles would be installed to 6K ft. lbs. around the perimeter and also for interior columns
The building design is tilt-up wall construction with approximately 1/3 of the piles being installed for interior columns with the balance being installed for the exterior footings. The helical work is scheduled to be completed in December 2024.

Earnest Commercial Construction Installs (1298) Helical Piles as Deep Foundations for a New Tilt-Up Facility Near Orlando International Airport