All permitted uses set forth in Article II applicable to R-AAA Districts.

A regularly organized institution of learning approved by the State Board of Regents and supported by public funds.

A public library, public art gallery, public museum, municipal or volunteer firehouse, municipal park for recreation use or railway passenger station.

Parish house or parochial school.

Other accessory building or structure conforming to the provisions of Article XI.

Outdoor pool, as set forth in § 70-102.

Hospital or sanatorium, except those prohibited under § 70-207.

Golf course, yacht club or other recreational area, provided that same is operated by an association or membership corporation and not as a gainful business.

Public utility.

Licensed day school or day camp for children of school and preschool ages on a plot of not less than four acres.

Mother-daughter residence, as defined in § 70-231.

In the case of a single-family dwelling, no building shall exceed 2 1/2 stories, with a maximum height of 30 feet.

In the case of a building other than a single-family dwelling, no building or part thereof shall exceed three stories with a maximum height of 45 feet, except a church spire or belfry.

No lot shall be established or created for the purpose of constructing a dwelling or other building unless it has a minimum lot width of 100 feet at the required front setback line or meets the average lot width as set forth in Subsection B herein. The minimum lot width shall be the greater of 100 feet or the average lot width, but in no case shall the width of a lot be required to exceed 115 feet. A minimum lot width of 40 feet shall be maintained at all points between the property line at the street and the front setback line.

The minimum lot width shall be the same as the average lot width of existing lots within 300 feet on each side of the subject lot within the same blockfront(s) and district. For lots within 300 feet of an intersection, the blockfront(s) shall be assumed to continue across the intersection, excluding the width of the intersection.

No dwelling shall be erected unless it has a habitable floor area on the first floor of at least 1,400 square feet.

The gross floor area shall not exceed 31% of the lot area.

The gross floor area (residential) on a lot shall not exceed 5,200 square feet.

In no case shall the limitations of this section prohibit a dwelling of less than 3,060 square feet on a lot held in single and separate ownership as of December 31, 1999, so long as the building conforms to all other restrictions of this chapter.

There shall be a front yard, the depth of which shall be not less than 35 feet from the front property line.

On a corner lot, a front yard shall be required on each street. The front yard on the narrower street frontage shall be not less than 35 feet in depth, and the other front yard shall be not less than 30 feet in depth, and, if the street frontages are equal, a minimum front yard of 35 feet shall be required on each street front.

The minimum front yard depth for detached dwellings shall be the same as the average front yard depth of the existing primary buildings used as dwellings within 300 feet on each side of the lot on the same side of the street and within the same zoning district, or 35 feet, whichever is greater. No front yard shall be required to have a depth greater than 50 feet. On a lot with multiple street fronts, the average front yard setback shall only apply to the primary front yard.

On an interior lot, a single-family dwelling shall have two side yards, one on each side of the main building, the aggregate width of which shall be not less than 35% of the width of the lot, but in no case shall any side yard be less than 15 feet in width.

On a corner lot, a single-family dwelling shall have only one side yard. Said yard shall be on the side adjoining the interior lot opposite the front yard having the greater street frontage. Said side yard shall have a minimum width of 15 feet. The two yards fronting on streets shall be considered front yards as provided under § 70-20B. The remaining yard shall be considered the rear yard and shall conform to the provisions of § 70-22.

On an interior lot, a main building other than a single-family dwelling shall have two side yards, each having a minimum of 25 feet.

On a corner lot, a building other than a single-family dwelling shall have only one side yard. Said yard shall be on the side adjoining the interior lot opposite the front yard having the greater street frontage. Said side yard shall have a minimum width of 25 feet. The remaining yard shall be considered the rear yard and shall conform to the provisions of § 70-22.

Where a garage door(s) faces a side property line, a setback of 25 feet shall be provided between the side property line and the closest point of the garage structure.

An areaway may extend into the required side yard, provided that, for any areaway projecting closer than four feet to a side property line, the entire areaway must be protected by a horizontal grating constructed in conformance with the requirements of the Building Code.

There shall be a sky exposure plane projecting inward from each front and side property line at a ratio of one foot vertical to one foot horizontal.

At no point may a structure be built higher than one times the horizontal distance from a lot line.

The foregoing requirements for sky exposure plane shall not apply to alterations to existing single-family dwellings, provided that: