NFIP Structural Variables

Structural Variable	Explanation	FIM	Specific Fields
Building Occupancy	Defines the type of use and occupancy of the building, affecting policy form and coverage limits.	3-9	See NFIP Occupancy
Construction Type	Specifies the construction materials used for the building's first floor above ground level.	3-14	Frame, Masonry, Other
Foundation Type	Describes the type of foundation supporting the building, influencing elevation measurements.	3-15	See NFIP Foundations
First Floor Height	Indicates the height of the building's first floor above the adjacent grade.	3-21	See First Floor Height
Mitigation Discounts	Discounts for actions like elevating machinery and equipment or proper flood openings.	3-27	See NFIP Mitigation discounts
Floodproofing	Measures taken to floodproof a building for lower premiums, requiring certification.	3-31	See Floodproofing
Replacement Cost Value	Represents the value of replacing the building, based on square footage and materials.	3-32	See Building Replacement Cost Value
Claims History	Details the building's prior NFIP claims, including severe repetitive losses.	3-33	List of claims, repetitive loss indicators
Number of Detached Structures	The number of detached structures on the property, influencing policy coverage.	3-34	Exact number of detached structures on the property
Number of Elevators	Counts the elevators in the building, relevant for policy evaluation and rating.	3-34	Exact number of elevators present in the building
Number of Floors	Specifies the number of floors in the building, affecting coverage and risk assessment.	3-34	Total number of floors in the structure
Floor of Unit	Identifies the specific floor of a unit in a multi-story building.	3-34	Specific floor level (e.g., 1st, 2nd)
Primary Residence Status	Determines whether the insured building is a primary residence, impacting premiums.	3-35	See Primary Residence