Measuring Floor Area Ratio Nyc Dob

What is the floor area ratio.
Measuring floor area ratio nyc dob. However such a description will fly over the heads of most people so it helps to simplify it. The strict definition of far is the ratio of the total building floor area to the size of the plot. The occupant loads of floors shall not be cumulative for the. Every floor of a building shall be provided with exit facilities for its occupant load.
Y o u n n e e d t o k n o w. Each zoning district has an far which when multiplied by the lot area of the zoning lot produces the maximum amount of floor area allowable on that zoning lot. Gross floor area g floor area of 1st story floor area of 2nd story for all floors above the ground step 4. For example a property with a far of 3 0 can have zoning floor area equal to a maximum of three times the lot area.
Calculate the floor area ratio. The floor area ratio is the principal bulk regulation controlling the size of buildings. We said maximum zoning floor area. Building the number of occupants the floor area the travel distance to an exit and the capacity of the exits as provided in table 6 1 and herein.
Gross floor area is the sum of the floor area of each story. No more than two dwelling units are permitted in a house in an r4 1 district. Far floor area ratio in new york city what is the floor area ratio. The floor area of the second floor dwelling unit may be increased by adding floor area on the third floor creating a duplex unit the amount of floor area on the third floor is determined by the dimensions of the building envelope but could be no more than 548 square feet.
I i n f o r m a t i o n. Floor area ratio far g b. The residential floor area of a zoning lot may not exceed the base floor area ratio set forth in the table in this paragraph b except that such floor area may be increased on a compensated zoning lot by 1 25 square feet for each square foot of low income floor area provided up to the maximum floor area ratio specified in the table as. The drawing title must identify the floor or floors if applicable.
Notice how we did not say the floor area equals 15 000 s f. Divide the gross floor area by the buildable land area. As an example on a 10 000 square foot property in a district allowing 4 0 far the maximum floor area permitted would be 40 000 square feet. If an existing building on.
Far is the ratio of total building floor area to the area of its zoning lot. This is a simple calculation requiring you to deduct the amount of floor area your existing building contains from the maximum allowable floor area permitted in your district. The result is the floor area ratio far. If the lot area is 5 000 s f then the maximum zoning floor area allowed equals 15 000 s f.
The following images depict net assignable area in purple. In layman s terms far is the total floor area.