Finished Floor Elevation Bf

Finished floor f f elevation is a reference plane used as a zero point for vertical dimensions.

Finished floor elevation bf.

To obtain the elevation of the lowest floor including basement of all new and substantially improved buildings and maintain a record of such information. Finished floor elevation ffe lowest floor. Far face finished floor factory finish ffe. The floor above may be ffl 31 000 and the floor below ffl 23 000.

Variations in elevation due to differences in finish materials but not more than 1 2 inch 12 7 mm. Board foot back face bottom face both faces boiler feed. Frequently on contract drawings plans sections and elevations finished floor level may be abbreviated ffl 27 000 the figure suffixed denoting the level in metres above a defined datum level usually outside ground level or ground floor level. Once the finish floor elevation is established the other project elevations are based off the finish floor.

The term fg refers to the elevation above sea level for the finished grade or finished ground. Exterior decks patios or balconies that are part of type b dwelling units have impervious surfaces and that are not more than 4 inches 102 mm below the finished floor level of the adjacent interior space of the dwelling unit. Reference plane as it s name implies is the top surface of the finished flooring material. It can also mean backfill but it s higher than the top of the foundation wall.

Tf top of foundation. Can t help with that one. Gf finished grade. Flat head machine screw.

The lowest floor of the lowest enclosed area including a basement. The term ffe refers to the top of the structural slab and its elevation above sea level. An unfinished or flood resistant enclosure usable solely for parking of vehicles building access or storage in an area other than a basement area is not considered a building s lowest. Ff finished floor.

Typically the building s finish floor elevation height of the floor is established from the civil drawings by the surveyor. Finished floor line fgl. Fire hose cabinet fhms. The finish floor is then considered ff 0 0.

Also referred to as ff is finished floor elevation. Fixtures furnishings equipment ffl. Flat head fire hose fhc. Typical usage is no component of a hanging light fixture to extend below 7 0 a f f above finished floor.

Bf normally means basement floor elevation but in this case it s almost the same elevation as the first floor.