ToC
23-151

Basic regulations for R6 through R9 Districts

R6 R7 R8 R9

In the districts indicated without a letter suffix, the minimum required open space ratio and the maximum floor area ratio for any zoning lot shall be determined by the height factor of such zoning lot as set forth in this Section.

MINIMUM REQUIRED OPEN SPACE RATIO AND MAXIMUM FLOOR AREA RATIO

R6 through R9 Districts




 For zoning lots with a height factor of

In R6 Districts

In R7 Districts

In R8 Districts

In R9 Districts

Min. Req. Open Space Ratio

Max. Floor Area Ratio

Min. Req. Open Space Ratio

Max. Floor Area Ratio

Min. Req. Open Space Ratio

Max. Floor Area Ratio

Min. Req. Open Space Ratio

Max. Floor Area Ratio

1

27.5

0.78

15.5

0.87

5.9

0.94

1.0

0.99

2

28.0

1.28

16.0

1.52

6.2

1.78

1.4

1.95

3

28.5

1.62

16.5

2.01

6.5

2.51

1.8

2.85

4

29.0

1.85

17.0

2.38

6.8

3.14

2.2

3.68

5

29.5

2.02

17.5

2.67

7.1

3.69

2.6

4.42

6

30.0

2.14

18.0

2.88

7.4

4.15

3.0

5.08

7

30.5

2.23

18.5

3.05

7.7

4.55

3.4

5.65

8

31.0

2.30

19.0

3.17

8.0

4.88

3.8

6.13

9

31.5

2.35

19.5

3.27

8.3

5.15

4.2

6.54

10

32.0

2.38

20.0

3.33

8.6

5.38

4.6

6.85

11

32.5

2.40

20.5

3.38

8.9

5.56

5.0

7.09

12

33.0

2.42

21.0

3.41

9.2

5.71

5.4

7.30

13

33.5

2.43

21.5

3.42

9.5

5.81

5.8

7.41

14

34.0

2.43

22.0

3.44

9.8

5.92

6.2

7.52

15

34.5

2.43

22.5

3.42

10.1

5.95

6.6

7.52

16

35.0

2.42

23.0

3.41

10.4

5.99

7.0

7.52

17

35.5

2.42

23.5

3.40

10.7

6.02

7.4

7.52

18

36.0

2.40

24.0

3.38

11.0

6.02

7.8

7.46

19

36.5

2.39

24.5

3.36

11.3

6.02

8.2

7.41

20

37.0

2.38

25.0

3.33

11.6

6.02

8.6

7.35

21

37.5

2.36

25.5

3.30

11.9

5.99

9.0

7.25

For zoning lots with height factors greater than 21, the minimum required open space ratio shall be as set forth in the following table:

OPEN SPACE RATIO FOR HIGH BUILDINGS

District

Minimum Required Open Space Ratio at Height Factor of 21

Additional Required Open Space Ratio for each Additional Height Factor

R6

37.5

0.5

R7

25.5

0.5

R8

11.9

0.3

R9

9.0

0.4

For these zoning lots, the maximum floor area ratio shall be such as can be attained at the required open space ratio for the height factor.*

*        The floor area ratio attainable at a given height factor and a given open space ratio may be computed from the following formula:

  1

=

O.S.R.

+

 1

F.A.R.

 100

H.F.

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