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A modular entrance floor system comprising a plurality of floor sections, the plurality of floor sections being disposed adjacent each other and defining a perimeter of an entrance floor area. Each floor section includes a base plate permanently coupled to a foundation, and a surface plate removably

A modular entrance floor system comprising a plurality of floor sections, the plurality of floor sections being disposed adjacent each other and defining a perimeter of an entrance floor area. Each floor section includes a base plate permanently coupled to a foundation, and a surface plate removably attached to the base plate. The surface plate has at least one drain feature. The plurality of floor sections are configured such that the surface plate of a first floor section is interchangeable with the surface plate of a second floor section, independent of the adjacent floor sections.

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1. A modular entrance floor system comprising: a plurality of floor sections, each floor section including: a base plate having opposing first and second surfaces and first and second sides defining a width of the base plate, the base plate having uniform height;a surface plate having opposing first

1. A modular entrance floor system comprising: a plurality of floor sections, each floor section including: a base plate having opposing first and second surfaces and first and second sides defining a width of the base plate, the base plate having uniform height;a surface plate having opposing first and second surfaces and first and second sides defining a width of the surface plate, the surface plate being removably attached to the base plate and having at least one drain feature;wherein the width of the surface plate is substantially equal to or less than the width of the base plate; andwherein the plurality of floor sections are configured such that the surface plate of a first floor section is interchangeable with the surface plate of a second floor section. 2. The modular entrance floor system of claim 1, wherein no side of any floor section is greater than 20 inches. 3. The modular entrance floor system of claim 1, wherein the first surface of the base plate is coupled to a foundation. 4. The modular entrance floor system of claim 2, wherein the first surface of the base plate is coupled to a foundation. 5. The modular entrance floor system of claim 1, wherein the second surface of the base plate includes means for attaching the surface plate. 6. The modular entrance floor system of claim 1, wherein the base plate has a plurality of apertures extending between the first and second surfaces, the base plate further comprising a barrier sheet disposed on the second surface of the base plate adjacent the surface plate. 7. The modular entrance floor system of claim 1, wherein each surface plate is removable from its base plate independent of adjacent surface plates. 8. The modular entrance floor system of claim 1, wherein the base plate is configured to receive at least one of water and debris from the drain feature. 9. The modular entrance floor system of claim 1, wherein the drain feature is an aperture. 10. The modular entrance floor system of claim 1, wherein the drain feature is an elongated recess. 11. The modular entrance floor system of claim 1, wherein the surface plate further comprises at least one housing configured to receive at least one insert. 12. The modular entrance floor system of claim 1, wherein the surface plate further comprises at least one cap attached thereto. 13. The modular entrance floor system of claim 1, wherein the surface plate includes at least one downwardly extending wall defining a gap between the surface plate and the base plate. 14. The modular entrance floor system of claim 13, wherein the at least one wall includes at least one opening formed therein. 15. The modular entrance floor system of claim 1, wherein no side of any floor section is greater than 25 inches. 16. The modular entrance floor system of claim 1, wherein no side of any floor section is greater than 40 inches. 17. A modular entrance floor system comprising: a plurality of floor sections, each floor section including: a base plate coupled to a foundation;a surface plate removably attached to the base plate, the surface plate including at least one downwardly extending wall defining a gap between the surface plate and the base plate, wherein the at least one wall includes at least one opening formed therein; andwherein the plurality of floor sections are configured such that a first surface plate of a select floor section is interchangeable with a second surface plate independent of any surface plates adjacent to the first surface plate. 18. The modular entrance floor system of claim 17, wherein the base plate includes means for attaching the surface plate. 19. The modular entrance floor system of claim 17, wherein the surface plate includes a drain feature. 20. The modular entrance floor system of claim 19, wherein the drain feature is an aperture. 21. The modular entrance floor system of claim 17, wherein the wall circumscribes the surface plate. 22. The modular entrance floor system of claim 17, wherein the base plate has a plurality of apertures extending between first and second surfaces of the base plate, the base plate further comprising a barrier sheet disposed on the second surface of the base plate adjacent the surface plate. 23. The modular entrance floor system of claim 17, wherein the surface plate further comprises at least one housing configured to receive at least one insert. 24. The modular entrance floor system of claim 17, wherein the surface plate further comprises at least one cap attached thereto.