[Added 12-1-2014 by Ord. No. 316]
[1]
Editor's Note: Former Art. XI, PRD Planned Residential Development District, as amended, was repealed 12-1-2014 by Ord. No. 315.
In expansion of the declaration of legislative intent contained in § 250-3 of this chapter and in the community development objectives contained in § 250-5 of this chapter, it is hereby declared to be the intent of this article with respect to the Preservation Subdivision District to establish reasonable standards of performance and promote the desirable benefits which single-family detached residential uses have throughout the community when accompanied by large, permanently preserved open space.
In a Preservation Subdivision District, a building may be erected, altered, or used and a lot may be used or occupied for any of the following uses and no other:
A. 
Single-family detached dwelling.
B. 
Any of the following uses when authorized as a special exception: those uses described in § 250-49D of this chapter.
C. 
Accessory uses on the same lot with and customarily incidental to any permitted use.
The following area, width and yard regulations shall apply in the Preservation Subdivision District, provided that at least 60% of the land area of the subdivision is to be dedicated to the Township or permanently preserved as public open space:
A. 
Minimum tract area: 50 acres.
B. 
Lot area. A lot area of not less than 5,500 square feet per dwelling unit shall be provided.
C. 
Width and yard regulations.
[Amended 7-1-2019 by Ord. No. 344]
(1) 
A lot width of not less than 55 feet, measured at the front yard building line.
(2) 
A front yard setback of not less than 29 feet, measured from the face of the curb.
(3) 
A front yard depth of not less than 20 feet, measured from the back of the sidewalk.
(4) 
Side yards of 10 feet each.
(5) 
A rear yard of not less than 20 feet.
(6) 
Maximum building coverage of 35%.
(7) 
A terrace, platform, deck or landing place which does not extend above the level of the first floor of the building may project and/or extend into up to 50% of the required rear yard, provided the minimum rear yard setback is not less than 10 feet. A roof and/or trellis that remains unenclosed (no sides) can be installed over a deck, but the height shall not exceed the existing roofline of the building.
D. 
For any nonresidential use or lot permitted in the Preservation Subdivision District, a minimum developable area of two acres shall be required, unless a larger lot area is required in § 250-49D.
E. 
Sewage and water facilities. All Preservation Subdivision District developments shall be provided with municipal water and sewage treatment services.
F. 
Open space.
(1) 
At least 50% of the required open space shall be open land suitable for active recreation, which shall not include any of the following:
(a) 
Floodplains.
(b) 
Wetlands.
(c) 
Ponds or lakes.
(d) 
Slopes greater than 15%.
(e) 
Rights-of-way.
(2) 
Minimum open space lot area shall be 10,000 square feet.
(3) 
Minimum open space width in any direction shall be 100 feet.
The maximum height of buildings and other structures erected or enlarged in this district shall be:
A. 
For any dwelling: 40 feet.
B. 
For any building accessory to any dwelling: 15 feet, and not exceeding one story.
C. 
For any nonresidential use: 45 feet.
The maximum density shall be not more than 1.45 dwelling units per developable acre over the entire site and not more than four dwelling units per developable acre on the portion of the site to be developed.
Notwithstanding anything to the contrary contained in the Subdivision and Land Development Ordinance,[1] the following standards shall apply for roads and sidewalks:
A. 
Minimum cartway width:
(1) 
Twenty six feet with no parking.
(2) 
Twenty eight feet with parking allowed on one side.
(3) 
Thirty two feet with parking allowed on both sides.
B. 
Minimum width of planting strip between curb and sidewalk or path: four feet.
C. 
Minimum width of sidewalk: four feet, provided that a minimum five-foot passing zone is provided at least every 200 linear feet of pedestrian access route.
D. 
Street trees shall be planted on both sides of the street. Where sidewalks are provided, street trees may be planted in the planting strip of private streets, if authorized by the Commissioners. Street trees must be planted outside the right-of-way for all public streets.
E. 
A sidewalk and planting strip must be provided on at least one side of all new streets, and on the side of all existing streets upon which new dwelling units front.
F. 
Where sidewalks are provided on only one side of the street, the pedestrian circulation system shall be made continuous throughout the development, utilizing safe crosswalks and curb ramps to connect sidewalks where necessary.
[1]
Editor's Note: See Ch. 215, Subdivision and Land Development.