In expansion of the declaration of legislative intent contained in § 350-4 of this chapter and the community development objectives contained in § 350-5 of this chapter, it is hereby declared to be the intent of the R-3 Residential District to provide for a higher density of dwellings, namely single-family detached, two-family, and townhouses, in those areas of the Township where the character of existing development would most readily accommodate such uses, and where superior highway access and existing facilities permit a higher density of development.
[Amended 11-26-1990 by Ord. No. 218; 7-10-2000 by Ord. No. 307]
In an R-3 Residential District a building or structure may be erected, altered or used, and a lot may be used or occupied for any of the following uses and no other:
A. 
Any use permitted in the R-2 Residential District.
B. 
Two-family dwellings.
C. 
Townhouses.
D. 
Cluster development, subject to the provisions of Article XII of this chapter.
E. 
Parks, playgrounds, tot-lots, and open spaces.
F. 
Class One and Class Two institutional uses when authorized as a special exception in accordance with requirements of § 350-30.
G. 
Accessory uses on the same lot with and customarily incidental to any permitted uses.
H. 
No-impact home-based business shall be permitted by right, except that such permission shall not supersede any deed restrictions, covenant or agreement restricting the use of land nor any master deed, by law or other document applicable to a common interest ownership community.
[Added 9-8-2003 by Ord. No. 353]
[Amended 11-25-1996 by Ord. No. 274]
The following density area, width, and yard regulations shall apply in the R-3 Residential District:
A. 
Minimum acreage. In the R-3 Residential District the following minimum area requirements shall apply:
(1) 
For single-family detached dwellings: 20,000 square feet per dwelling unit.
(2) 
For two-family dwellings: 7,000 square feet per dwelling unit.
(3) 
For townhouses: 10 acres shall be required before a development proposal can be submitted to the Planning Commission.
B. 
Density. In the R-3 Residential District the following densities shall apply:
(1) 
For single-family detached dwellings: two dwelling units per developable acre.
(2) 
For two-family dwellings and townhouses: five dwelling units per developable acre.
[Amended 8-21-2006 by Ord. No. 399]
(3) 
All developable acres shall be adjusted for environmental factors as calculated in § 350-70A of this chapter.
[Added 6-23-2003 by Ord. No. 351]
C. 
Area width and yard regulations. The following regulations shall apply, subject however to Subsection B of this section:
Two-Family Dwellings
Single-Family Detached
Twins
Duplexes
Townhouses
Lot Size
20,000 sq. ft. (each dwelling)
7,000 sq. ft. (each dwelling unit)
7,000 sq. ft. (each dwelling unit)
2,000 sq. ft. (each dwelling unit)
Lot Width1
100 ft. (each dwelling)
70 ft. (each dwelling unit)
70 ft. (each dwelling unit)
20 ft. (each dwelling unit)
Front Yard2
40 ft.
20 ft.
20 ft.
20 ft.
Side Yard
20 ft.3
15 ft.4)
15 ft.3
None5
Rear Yard
40 ft.
20 ft.
20 ft.
20 ft.
Building Coverage
20%
30%
30%
50%
NOTES:
1Measured at the building line.
2Measured from the ultimate right-of-way line.
3For each side.
4For one side only.
5For end units; however, a side yard of at least five feet shall be required for each end unit; provided, that the distance of the end unit from an ultimate right-of-way line shall be at least 12 feet.
D. 
Building size. For townhouses, there shall not be more than six dwelling units in a continuous attached row.
E. 
Distance between buildings. For developments where the individual lot requirements are not applicable under Subsection C and in the case of two buildings shall not be less than:
(1) 
For any two exterior facing walls, the building of which are oriented front to front, front to rear, or rear to rear, the minimum distance apart shall be equal to 1 1/2 times the height of the taller building.
(2) 
For any combination of exterior facing walls (not qualifying under Subsection A of this section) the minimum distance apart shall be 1/2 the height of the taller building.
F. 
Setbacks. For developments where the individual lot requirements are not applicable under Subsection C of this section, the following minimum building setbacks shall be applied:
(1) 
From the R-3 Residential District boundary line: 50 feet.
(2) 
From a street ultimate right-of-way line: 20 feet.
(3) 
From any parking area of 10 or more cars: 20 feet.
G. 
Height of buildings. No building shall exceed the height of 35 feet or two stories (exclusive of basements), whichever is greater.
H. 
Parking.
(1) 
Not less than two off-street automobile parking spaces shall be required for each dwelling unit. Such parking area may be designed as a court or separate driveway, as deemed suitable by the Township Planning Commission.
(2) 
A garage may be counted as a parking space. No parking area of three or more cars shall be less than 15 feet from the R-3 Residential District boundary line or 25 feet from a street ultimate right-of-way line. For parking areas storing 10 or more cars not less than 10% of the area devoted to parking facilities shall consist of interior parking lot landscaping.
[Amended 7-27-1987 by Ord. No. 170; 11-25-1996 by Ord. No. 274]
In the R-3 Residential District the following general requirements shall apply:
A. 
Utilities. All dwelling units in the R-3 Residential District shall be served by both public sanitary sewer disposal and public water supply facilities. If, due to excessive distance or other specific site limitations or conditions, public sewage disposal and/or public water supply facilities is or are not feasible, then community sewage disposal and/or community water supply facilities may be permitted with approval of the Township Engineer and the Board of Commissioners. All utility lines (such as, but not limited to, electric and telephone lines) serving the R-3 Residential District shall be placed underground.
B. 
Signs. Signs shall be permitted subject to the provisions of Article XVI of this chapter.
C. 
Access. Provision shall be made for safe and efficient ingress and egress to and from public streets highways serving the R-3 Residential Development without causing undue confusion or interference with the normal traffic flow. The Planning Commission shall satisfy itself concerning the adequacy of the thoroughfare to carry the additional traffic generated by the R-3 Residential Development, as well as the street frontage of the proposed development.
D. 
Common areas and facilities. The provision of certain facilities serving the entire development such as parking lots, interior pedestrian ways, driveways, or alleys, lighting facilities, landscape planting areas, buffers, open space and recreation facilities, etc., are hereby encouraged and may be located either on individual lots or in common areas. In cases where they are provided in common areas, provisions satisfactory to the Township Board of Commissioners must be made for their perpetual maintenance and care. Use of these facilities may be restricted to the residents of the development where practical and may be maintained by the developer, a home owners association or a similar instrument. Any common area shall be first offered to the Township; however, the Township need not accept dedication of the open space but shall maintain first option to purchase, which may be executed at any time with 12 months' notice.
E. 
Lighting facilities. Lighting facilities shall be provided as needed and arranged in a manner which will protect the highway and neighboring properties from unreasonable direct glare or hazardous interference of any kind. Lighting facilities shall be required where deemed necessary for the safety and convenience of the R-3 Residential Development and shall be installed by the developer in areas developed subsequent to the enactment of this chapter.
F. 
Landscaped planting. Shade trees may be required in the discretion of the Board of Commissioners along street frontage occupied by an R-3 Residential Development.
G. 
Buffer area. An R-3 Residential Development may be required in the discretion of the Board of Commissioners to provide a permanent landscaped planting area of at least 15 feet in depth, designed for screening from view any residential, commercial or industrial uses which are adjoining and contiguous to the development.