Case study · School underpinning & shoring
St. Paul Catholic High School
20 underpinning helical piles and 22 soil nails with Tecco mesh so a historic school building could be excavated 12 feet below its footing for a new addition, for Fransen Pittman.
The project
St. Paul Catholic High School
A new addition to this historic high school building in Denver required excavating 12 feet below the existing foundation footing for a new basement and elevator shaft.
Working for general contractor Fransen Pittman, Park Range installed 20 vertical underpinning helical piles, designed to support the building foundation through the depth of the excavation.
We also installed 22 horizontal soil nails with a Tecco mesh soil shoring system to hold the vertical soil cut beneath the footing.
Scope of work
- 20 vertical underpinning helical piles
- 22 horizontal soil nails with Tecco mesh
- Excavation 12 ft below the existing footing
- New basement and elevator shaft
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