Floor Area Ratio Chicago

None for schools and churches.

Floor area ratio chicago.

A two story building on the same lot where each floor was 500 square feet. Story 1 floor area 50 ft. G 10 000 ft 2 10 000 ft2 20 000 ft step 4. Determine the gross floor area of the building.

The terms can also refer to limits imposed on such a ratio through zoning. 10 000 ft2 step 3. The floor area of the building or buildings on a zoning lot divided by the area of that zoning lot. A building s total floor area that is the square footage of every floor divided by the area of the parcel of land it s built on.

Floor area ratio zoning code section 17 17 0305. Controls a property s density. Floor area bonus refers to additional buildable square footage provided to developers as an. Statistical area median income and 2 with respect to owner occupied housing at the time of the purchase of the unit a household earning up to 100 percent of the chicago primary metropolitan statistical area median income.

For a hypothetical buildable square foot cost of 43 the bonus contribution equation would be 36 000 square feet multiplied by 80 of 43 34 40. 45 ft for residential buildings with lot frontage of less than 32 ft 47 ft when lot front is over that. As a formula far gross floor area area of the plot. 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.

It is often used as one of the regulations in city planning along with the building to land ratio. Chicago s zoning code awards a floor area ratio far bonus for green roofs that cover more than 50 percent of the roof area. Lot area per unit density 400 sq ft dwelling unit 400 sq ft efficiency unit 200 sq ft sro unit. Calculate the floor area ratio.

36 000 x 34 40 1 238 400. Determine the floor area of each story of the building. 10 000 ft2 story 2 floor area 50 ft. This type of incentive does not cost the municipality any additional money beyond a small amount of staff time to assess the plans and grant the far bonus.

Chicago 1957 floor area for determining floor area ratio. The far is available for buildings in downtown mixed use districts. View the chicago zoning ordinance. Cost of 1 square foot of floor area 80 x median cost of land per buildable square foot.

Floor area ratio is the ratio of a building s total floor area to the size of the piece of land upon which it is built.