In the districts indicated, the following uses are permitted by special permit of the Board of Standards and Appeals, in accordance with standards set forth in Article VII, Chapter 3.

 R3-1, R3A, R3X, R4-1, R4A, R4B,

Ambulatory diagnostic or treatment health care facilities listed in Use Group 4, limited to a maximum of 10,000 square feet of floor area.

 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10

Camps, overnight or outdoor day [PRC-H]

 R1 R2

Clubs, except:

(a)        clubs, the chief activity of which is a service predominantly carried on as a business;

(b)        non-commercial outdoor swimming pool clubs; or

(c)        any other non-commercial clubs with outdoor swimming pools located less than 500 feet from any lot line

 R1 R2

Colleges or universities, including professional schools, but excluding business colleges or trade schools

 R1 R2

College or school student dormitories or fraternity or sorority student houses

 R1 R2

Outdoor tennis courts or ice skating rinks, provided that all lighting shall be directed away from nearby residential zoning lots

 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10

Public utility or public service facilities

Electric or gas utility substations, limited in each case to a site of not more than 10,000 square feet

Electric utility substations, limited to a site of not less than 10,000 square feet nor more than 40,000 square feet

Public transit or railroad electric substations, limited in each case to a site of not less than 10,000 square feet nor more than 40,000 square feet

Public utility stations for oil or gas metering or regulating

Telephone exchanges or other communications equipment structures

Terminal facilities at river crossings for access to electric, gas or steam lines

Water or sewage pumping stations

 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10

Radio or television towers, non-accessory

 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10

Riding academies or stables [PRC-C]

 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10

Sand, gravel, or clay pits

 R1 R2

Welfare centers