Cornices, chimneys, flues, eaves, gutters, steps, piers, or bay windows may project into any required yard, but not more than 12 inches from the principal building to which it is attached. In no case, however, shall the projection be closer than five feet to a property line or street or alley right-of-way.

An unenclosed porch no more than one story or 15 feet in height may be erected with a depth of six feet in the front yard or a depth of 12 feet in the rear yard, provided that no portion of the porch shall be closer to the side lot line than the required side yard. In no case, however, shall the porch be located closer than five feet to any property line or street or alley right-of-way.

Front yard setbacks shall be as set forth in Article III, District Regulations, and shall be measured from the edge of the cartway of the adjoining street or alley, or as may be otherwise noted.

Buildings proposed for construction in the Central Business District shall be set back at the same depth as existing or adjoining buildings in order to maintain the character of the downtown area. (See also § 286-72 for setback requirements in the Historic District.)

Where, in any district, more than 50% of the frontage of a block has been improved with buildings having front yards of less depth than is required for the district in which they are located, then the required front yard depth for such block may be decreased to a depth not less than that of the majority of the existing buildings.

Where, in any district, less than 50% of the frontage of a block has been improved with buildings having front yards of less depth than is required for the district in which they are located, but an unimproved lot is situated between two improved lots each having a principal building which extends into the required front yard, the front yard of such unimproved lot may be decreased to the average depth of the two adjacent improved lots.

Where an addition is proposed for an existing principal building which extends into the required front yard, the addition may be authorized by the Zoning Officer so long as the addition projects no further into the required front yard than the average depth of the buildings on the adjoining lots.

Accessory buildings or structures may not be erected or located in front of the building to which they are accessory, except as may be provided otherwise in Article IV, Supplementary Use Regulations, in the fence regulations of this article (see § 286-53B, or Article VIII, Sign Regulations.

Off-street parking and loading areas shall not be located within a front yard, unless such parking occurs within the lot's driveway.

On a corner lot, all yards abutting a street shall have a depth equal to the required front yard for the district in which the lot is located. The remaining two yards shall constitute a side yard and a rear yard.

Where a corner lot is situated at the intersection of a street and an alley, the required front yard shall be measured from the street, and the side yard requirement shall be measured from the alley.

Side yards shall be measured from the side lot line or from the edge of the cartway of any adjoining alley.

Accessory buildings or structures may not be constructed within a required side yard, except as may be provided otherwise in Article IV, Supplementary Use Regulations, in the fence regulations of this article (see § 286-53B), or Article VIII, Sign Regulations.

Off-street parking and loading areas shall not be located within a required side yard, unless such parking occurs within the lot's driveway.

Rear yards shall be measured from the rear lot line or from the edge of the cartway of any adjoining alley.

The depth of the rear yard of any through lot shall be not less than the depth of the front yard required for the district in which the lot is located.

Accessory buildings or structures may not be constructed within a required rear yard, except as may be provided otherwise in Article IV, Supplementary Use Regulations, in the fence regulations of this article (see § 286-53B), or Article VIII, Sign Regulations.

Off-street parking and loading area may be located within a required rear yard, but only as provided in Article IX of this chapter.

The following structures or portions thereof may extend above the maximum height limit of the district in which they are located; provided, however, they are set back a distance equal to their height. [See also Subsection B(2) below.]

Notwithstanding any of the exceptions outlined above, the location and height of all structures shall be in accordance with all applicable rules, regulations, standards and criteria of the Federal Aviation Administration, the Federal Communications Commission, and any other governmental agency which may have jurisdiction.

No fence or screening wall exceeding 6 1/2 feet in height may be erected within the side or rear yard of any Residential District property unless authorized otherwise by the Zoning Hearing Board or other provision of this chapter. A fence or screening wall not exceeding an average of 3 1/2 feet in height may be erected across the front of a property adjacent to the sidewalk. Fences or walls up to 10 feet in height may, however, be erected within any required yard for schools, playgrounds, or parks; or in Commercial or Industrial Districts. No barbed wire or aboveground electric fencing shall be used in the Borough, unless part of an approved security plan for an industrial, commercial or institutional facility.

In no case shall a fence or wall be erected which could cause danger to traffic on a public or private street or alley by obscuring a driver's view or which does not comply with the clear sight triangle requirements contained in Subsection D below.

All fences to be placed in an identified floodplain area shall meet the floodplain management regulations set forth in Article VI of this chapter.

For the intersection of a collector street and a local street, the distance from the intersection of the street center lines shall be 50 feet.

For the intersection of two local streets, the distance from the center line intersection shall be 30 feet.

For the intersection of a collector or local street and an alley or the intersection of two alleys, the minimum distance shall be 25 feet.

Screen planting may be required as set forth in Article IV, Supplementary Use Regulations, or where determined necessary by the Borough Council or Zoning Hearing Board, as appropriate, to serve as a barrier to visibility, glare, and/or noise between adjacent properties.

Plant or vegetative materials, including shrubs or evergreens, used in screen planting shall be of such species as will produce, within three years of planting, a complete visual screen at least 6 1/2 feet in height and be of such density as is necessary to achieve the intended purpose. All such plant materials shall be a minimum of four feet in height at the time of installation.

Screen planting shall be maintained permanently by the property owner, and any plant material which does not live shall be replaced within six months.

Screen planting shall be placed so that at maturity it will be no closer than five feet to any street or property line, except that the appropriate clear sight triangle, as provided in § 286-53D, above, shall be maintained at all intersections. Required screen plantings shall be broken only at points of vehicular or pedestrian access or utility easements.

Where a commercial or industrial use abuts a Residential District, all required screen plantings shall extend the entire length of the common boundary.

In lieu of, or in addition to, plantings as described above, the Borough Council or Zoning Hearing Board, as appropriate, may consider the use of a fence or wall as an acceptable barrier to potentially objectionable noise, glare, and/or visibility between adjacent properties.

Fences or walls used for screening shall meet all requirements set forth in § 286-53B of this chapter.

Fences or walls used to provide required screening shall be at least 6 1/2 feet in height and be of such type as is necessary to achieve the intended purpose.

Fences or walls used to provide required screening shall meet the clear sight triangle requirements set forth in § 286-53D of this chapter.

Any fence or wall used to provide required screening shall be maintained in structurally sound condition by the property owner.