[Ord. 1983-4, 12/5/1983, § 12.12-A(a)]
The purpose of the MH-R Mobile Home — Residential District is to provide an area specifically for the location of mobile homes within the Township, to provide reasonable standards to protect the health, safety and welfare of the residents of mobile homes on single-family lots and in mobile home parks; to provide standards which will encourage the installation of public facilities and preservation of public open space; to provide for the public convenience; and to otherwise create conditions conducive to carrying out the purpose of this Chapter.
[Ord. 1983-4, 12/5/1983, § 12.12-A(b)]
The following shall be permitted uses in the MH-R Mobile Home — Residential District:
A. 
Mobile homes when located in a mobile home park established and maintained and permitted in accordance with the "Londonderry Township Mobile Home Park Regulations" [Chapter 22, Part 6].
B. 
Mobile homes on single-family lots with a minimum lot size of one acre.
C. 
All other uses permitted in the R-1 Residential District.
D. 
Accessory uses on the same lot with and customarily incidental to the use of the mobile home permitted above.
E. 
Public pumping stations.
[Added by Ord. No. 2020-03, 7/21/2020]
[Ord. 1983-4, 12/5/1983, § 12.12-A(c); as amended by Ord. 1985-1, 6/3/1985; by Ord. 1989-3, 5/1/1989, § 1; by Ord. 1989-6, 10/2/1989, § 2; and by Ord. 1992-3, 10/5/1992, § 10]
1. 
The following standards and requirements shall apply to mobile homes in mobile home parks within the district:
A. 
Mobile Home Park Regulations. All other standards and requirements set forth in the "Londonderry Township Mobile Home Park Regulations [Chapter 22, Part 6], shall apply to mobile home parks within this district, as well as all other rules and regulations contained in this Chapter made applicable to this Section.
B. 
Area Requirements. The lot area per mobile home unit shall be a minimum of 43,560 square feet (one acre) per unit with 10,890 square feet per unit for each unit thereafter, exclusive of park streets and recreation areas, where public water and sewer are provided. Where water and sewer are provided from private sources, the lot area per mobile home unit shall be a minimum of 43,560 square feet (one acre), exclusive of park streets and recreation areas. Lots shall have a minimum width of 50 feet and a minimum depth of 100 feet.
2. 
Except that the requirements of this Subsection 2 shall not apply to public pumping stations, the following standards and requirements shall apply to all other permitted uses within the district:
[Amended by Ord. 2009-3, 9/15/2009; and by Ord. No. 2020-03, 7/21/2020]
A. 
Height Regulations. The height of a building shall not be greater than 35 feet nor less than one story.
B. 
Area Regulations.
(1) 
The lot area per dwelling unit shall be not less than 43,560 square feet (one acre).
(2) 
The lot area for nonresidential uses shall be not less than 43,560 square feet (one acre).
C. 
Width Regulations.
(1) 
The lot width should be not less than 25 feet at the front street line measured at the street right-of-way line, nor less than 100 feet at the front building line.
(2) 
The lot width at the building setback line on culs-de-sac shall be no less than 100 feet.
(3) 
No more than two flag lots in succession shall be allowed in Mobile Home-Residential Districts.
D. 
Yard Regulations.
(1) 
Front yard depth: 35 feet.
(2) 
Side yards: two required, 15 in an interior lot. On a corner lot, the side yard abutting the street shall be not less than 35 feet.
(3) 
Rear yards: 25 feet.
(4) 
Accessory structures may be within 10 feet of the rear lot lines.
E. 
Coverage Regulations. The coverage shall be no more than 30% of the lot area.
F. 
Off-Street Parking. See definitions under Part 19, "Off-Street Parking."
G. 
See Part 18, § 1806, "Signs Authorized in A Agricultural and R-1, R-2 and MH-R Residential Zoning Districts."
H. 
Mobile Homes Not Located In Mobile Home Parks. Mobile homes located on single-family lots shall be located in the MH-R Mobile Home-Residential District only and shall not be permitted in any other district. It shall be unlawful for an owner, tenant or custodian of a mobile home, upon removal of a mobile home from a lot, to place a different mobile home upon said lot or to simply place a mobile home on a lot without first complying with the following requirements:
(1) 
Each mobile home shall be provided with a mobile home stand which provides an adequate foundation for the placement of such mobile home, securing the structure from settling, vibration, uplift and sliding.
(2) 
Each mobile home stand shall have a minimum area of 720 square feet. If a double wide mobile home is placed then the stand shall have a minimum area of 1,440 square feet. Such stands shall be concrete with a minimum thickness of four inches, shall have a frost wall around its perimeter, shall have an adequate subbase and shall be approved by the Inspector prior to the construction.
(3) 
A minimum of four eye-bolts shall be embedded in the concrete stand and shall be strategically located for the purpose of securely affixing the mobile home from the forces of wind.
(4) 
Fire-resistant skirting shall be provided around the entire perimeter of the mobile home, for the purpose of concealing the wheel assembly and piping, and it shall be installed by the individual mobile home owner within 60 days after placement of the mobile home.
(5) 
All fuel oil supply systems provided to mobile homes and other structures shall be installed and maintained in conformity with accepted engineering practices and standards of the manufacturing company.
(6) 
Each mobile home stand provided with pipe gas shall have an approved shut-off valve installed upstream of the gas outlet and, when not in use, shall be equipped with an improved cap to prevent accidental discharge of gas.
(7) 
All fuel oil supply systems provided to mobile homes, and other structures, shall be installed and maintained in conformity with accepted engineering practices and standards of the manufacturing company.
(8) 
All fuel storage tanks shall be located below the ground surface and comply with Commonwealth and Federal regulations.
(9) 
All piping from outside fuel storage tanks shall be located below the surface of the ground and a riser pipe shall be provided, located within the confined area of the mobile home stand.
(10) 
All fuel oil supply systems shall have shut-off valves located within five inches from the mobile home stand surface.
(11) 
As an alternative to the concrete mobile home pad requirement, mobile home park owners may use a pedestal system under the following conditions:
(a) 
Footing requirements for each pedestal will be a minimum of two square feet.
(b) 
The footing depth for each pedestal shall be a minimum of 30 inches, however, the Township Inspector may alter the depth of the footing necessary depending on site conditions and the location of utilities that may affect the location of such footings.
(c) 
If a concrete footing is placed, its minimum thickness shall be eight inches.
(d) 
Piers may be utilized off the footings consisting of either concrete or masonry. Anytime a pier consisting of masonry blocks is over four masonry blocks above the ground level, it shall be reinforced and the cores filled.
(e) 
The top block of any masonry block piers shall be a solid masonry piece.
(f) 
The quantity of piers shall be dictated by the sizing involved. That is, each pier shall be located not more than 10 feet apart and each pier shall be not more than five feet from the end of the mobile unit.
(g) 
Each unit shall have a minimum of four anchorage devices, either cast in the concrete pier or footing, or of a screw-type acceptable to the Township which complies with the manufacturer's home foundations as recommended by the Department of Housing and Urban Development.
(12) 
All fuel oil storage tanks shall be located at a minimum distance of 10 feet from all electrical service lines.