Wall To Floor Ratio Efficiency

As a formula far gross floor area area of the plot.

Wall to floor ratio efficiency.

Building a area of enclosing walls total floor area 50m x 3m 100m 1 50. The floor area ratio of a 1 000 square foot building with one story situated on a 4 000 square foot lot would be 0 25x. 0 52 it is worth noting that a circular plan is the most efficient shape in terms of wall to floor ratio as indicated below. 0 35 however in very few cases is this the most economical plan shape of a building as the cost of constructing a circular as.

A measure of the plan efficiency of a building computed by dividing the face area of its external surfaces excluding gable walls parapet walls and walls below the lowest finished floor level by the fully enclosed covered area feca and expressing the results as a ratio. The terms can also refer to limits imposed on such a ratio through zoning. Perimeter floor area ratio for. A two story building on the same lot where each floor was 500 square feet.

It is often used as one of the regulations in city planning along with the building to land ratio. Building b area of enclosing walls total floor area 40m x 3m 100m 1 20. Gross floor area of all floors of the building area of the building lot far a higher ratio indicates a higher density environment.