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1LT David R. Wilson Armed Forces Reserve Center

HITT repaired renovated the building's south wing, including the failing foundation, complete interior and structural demolition, reconstruction of the exterior envelope, and complete interior fit-out, all while the north wing remained operational.

Location

Orlando, Florida

Client

U.S. Army Corps of Engineers

– Louisville District

Project Type

Government
Renovations

Key Partners

  • RSP Architects
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By the Numbers By the Numbers By the Numbers By the Numbers By the Numbers

$15,000,000

CONTRACT VALUE

16 months

SCHEDULE

65,000

SQUARE FEET

2022

YEAR COMPLETED

100'

DEPTH OF 75 MICROPILE INSTALLATIONS

Vision Vision Vision Vision Vision

Construction repair and renovation of the three-story south wing of the building.

Client Goals

HITT performed complete interior and structural demolition; installation of micro-piles and concrete pile caps; hydraulic lifting of the steel frame; reconstruction of the exterior envelope; and complete interior fit-out while the north portion of the building was occupied.

Design Vision

The fully renovated David R. Wilson Armed Forces Reserve Center provides a facility designed for the special purposes of training and housing members of U.S. military reserve forces.

Construction Focus

This structure had an all-encompassing scope of work including demolition, renovation, and ground-up construction. Because the facility was sinking into its foundation, our team renovated 40,000 square feet of the space while demolishing 25,000 square feet of it, right down to the original structural steel.

Elements Elements Elements Elements Elements
Micropiles

HITT installed 75 micropiles 100 feet deep and utilized a customized drilling rig to fit inside the existing structure while operating two drills simultaneously. After drilling, our team pumped grout mix through the hollow bar.

Shoring

Due to stresses on the building resulting from demolition activities, engineered shoring was required to ensure that the new structural work would not compromise the integrity of the building. Some of the steel members were visibly twisted after demolition, and the existing foundations were discovered to have been built without reinforcement, which resulted in premature failure.

3D Laser Scanning

HITT performed a point-cloud analysis of the demolished portion of the building and presented USACE with a report showing the existing state of the structural steel. HITT then installed targets on the steel columns to track their vertical movement during the lifting of the building utilizing a laser system.

The HITT Experience The HITT Experience The HITT Experience The HITT Experience The HITT Experience

This technically complex structural renovation project for USACE presented many challenges, especially salvaging failing structural features and integrating them into a new system seamlessly. While working adjacent to occupied spaces, HITT performed demolition activities and avoided impact to the daily operations of the government.

THE HITT EXPERIENCE

“HITT’s project team has worked well with the government partners, Mobile and Louisville Districts, US Army Reserve, 81st Division, and the Army and Navy units stationed at Wilson AFRC. The government communications team have been highly complementary of the installation.”

“

TIM ROSCOE

Project Engineer, USACE – Louisville District

Solutions Solutions Solutions Solutions Solutions

Unique Challenges, Smart Solutions

Ambitious projects require carefully constructed solutions

Challenge #1

Construction took place while the building was partially occupied and some of the existing elements were preserved. There were several conflicts due to existing conditions.

Solution

To mitigate these issues, the HITT team performed a thorough investigation above-ceiling and in-wall to identify potential impacts and provide a path forward. This helped to avoid schedule impacts to the project.

Challenge #2

The project team ran into unforeseen conditions. While lifting the building, a failing, existing concrete pier was discovered.

Solution

HITT shored the building immediately and demolished and replaced the pier before any type of hydraulic lifting was performed.

Challenge #3

Incorporating the 20-year-old existing HVAC controls and fire alarm systems proved to be challenging due to outdated equipment.

Solution

HITT collaborated closely with the design team to research, coordinate, and provide updated systems.

3D Laser Scanning

HITT performed a point-cloud analysis of the demolished portion of the building and presented USACE with a report showing the existing state of the structural steel. HITT then installed targets on the steel columns to track their vertical movement during the lifting of the building utilizing a laser system.

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