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Foundation Types
fd_special
fd_special
Level 1
Special Foundations
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/api/v1/systems/domain_foundation_type/nodes/fd_special
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fd_special_retain
Retaining walls (gravity, cantilever, anchored)
fd_special_seismic
Seismic isolation / base isolation
fd_special_soil
Soil improvement (compaction, grouting)
fd_special_under
Underpinning systems
Cross-system equivalences
3
NAICS 2022
236
Construction of Buildings
broad
237
Heavy and Civil Engineering Construction
broad
238
Specialty Trade Contractors
broad
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