Building Foundation System Types - Global
fd_special Special Foundations
Foundation Types classification code fd_special covers "Special Foundations" at level 1 of the Foundation Types hierarchy.
Level 14 direct subcategories3 cross-system mappings
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fd_special in other classification systems
Equivalent and related codes across 1 other system. Click any code to see its full definition, hierarchy, and crosswalks.
Subcategories of fd_special Special Foundations
Frequently asked questions
- What is Foundation Types fd_special?
- Foundation Types fd_special is "Special Foundations". Foundation Types code fd_special covers "Special Foundations" at level 1 of the Foundation Types hierarchy.
- What does Foundation Types fd_special include?
- fd_special Special Foundations contains 4 direct subcategories: 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.
- How does Foundation Types fd_special map to other classification systems?
- fd_special Special Foundations has equivalents in NAICS 2022 (236, 237, 238). These crosswalks let you translate this code between Foundation Types and 1 other classification system.
- What is the parent category of fd_special?
- fd_special Special Foundations sits under fd_special Special Foundations in the Foundation Types hierarchy.
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