§ 2.09 YARD AND BULK REGULATIONS.

   A.   General regulations. All lots , buildings , and structures shall comply with the following general yard and bulk regulations unless specifically stated otherwise in this Ordinance:

      1.   Minimum lot size. Every building hereafter erected on a lot or parcel of land created subsequent to the effective date of this Ordinance shall comply with the lot size, lot coverage , and setback requirements for the district in which it is located. No yards in existence on the effective date of this Ordinance, shall subsequently be reduced below, or further reduced if already less than, the minimum yard requirements of this Ordinance.

      2.   Number of principal uses per lot . Only one principal building shall be placed on a lot of record or parcel in single-family residential districts. In a single-family site condominium project, only one principal building shall be placed on each condominium  lot , as defined in Article 1.00.

      3.   Projections into required yards . Fire escapes, fire towers, chimneys, platforms, balconies, boiler flues, and other projections shall be considered part of the building , subject to the setback requirements for the district in which the building is located. The table below identifies permitted projections in required yards .

      4.   Unobstructed sight distance. (revised 1/12/2010) No new fence , wall, or structure shall be erected or established on any lot that will obstruct the view of drivers in vehicles approaching an intersection of two roads or the intersection of a road and a driveway . Fences , walls, and structures located in the triangular areas described below shall not be permitted to obstruct cross-visibility between a height of 30 inches and six feet above the lowest point of the intersecting road (s).

         a.   Unobstructed sight area. The unobstructed triangular area is described as follows:

            (i).   The area formed at the corner intersection of two public right-of-way lines, the two sides of the triangular area being 40 feet in length measured along abutting public rights-of-way lines, and third side being a line connecting these two sides, or

            (ii).   The area formed at the corner intersection of a public right-of-way and a driveway , the two sides of the triangular area being ten feet in length measured along the right-of-way line and edge of the driveway , and the third side being a line connecting these two sides.

      5.   Lots adjoining alleys. In calculating the area of a lot that adjoins an alley for the purposes of applying lot area and setback requirements, one-half of the width of said alley shall be considered a part of the lot .

      6.   Relocation of existing buildings into the township . No existing building or structure shall be relocated upon any parcel or lot in Williamstown Township unless the building or structure conforms to all requirements for the district in which the building or structure is to be located.

(Ord. passed 7-9-2013)

Table 2.1 Permitted Projections into Required Yards [see § 2.09(A)(3)]

Projection	Front Yard	Rear Yard	Interior Side Yard	Street Side Yard	Courtyard	Additional Regulations
Exterior air conditioning equipment	X	P	P	P	P
Access drives	P	P	P	P	P	See Note 3
Arbors; trellises	P	P	P	P	P
Awnings; canopies	P	P	P	P	P	May project into yard by up to 10% of yard depth
Bay windows	P	P	P	P	P	See Note 1
Decks (open or enclosed)	P	P	P	P	P
Eaves (overhanging)	P	P	P	P	P	See Note 1
Fences ; walls	P	P	P	P	P	Article 6.00
Flagpoles	P	P	P	P	P
Live landscape materials, including gardens and hedges	P	P	P	P	P
Gutters	P	P	P	P	P
Laundry drying equipment	X	P	P	X	X
Light standards (ornamental)	P	P	P	P	P
Paved terraces and open porches	P	P	P	P	P	See Note 2
Signs (approved)	P	P	P	P	P	Article 7.00
Stairways (open, unroofed); Steps; Barrier-Free Ramps	P	P	P	P	P
Television/radio towers or antennas	X	P	P	P	X	§ 2.22
Windmills; wind energy systems	X	P	X	X	X	§ 2.16
Window air conditioning units	P	P	P	P	P
X = Not PermittedP = Permitted

Notes on Table:

            1.   Bay windows, window sills, belt courses, cornices, eaves, overhanging eaves, and other architectural features may project into a required side yard not more than two inches for each one foot of width of such side yard , and may extend into any front or rear yard not more than three feet.

            2.   Open paved terraces and open porches may project into a required rear yard up to ten feet, provided no terrace or porch shall be located within 25 feet of the rear lot line . Open paved terraces and open, uncovered porches may project into a front yard up to ten feet.

            3.   Access drives may be placed in the required front or side yards so as to provide access to rear yards or accessory or attached structures . Further, any walk, terrace or other pavement serving a like function, shall be permitted in any required yard , providing the pavement is no higher than nine inches above grade .

   Figure 2.1: Unobstructed Sight Area at Road Corners [see § 2.09(A)(4)]