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Township of Union, PA
Washington County
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[Added 4-10-2006 by Ord. No. 1-2006]
The purpose of a Mixed-Use Overlay District (hereafter referred to as "MUD") is to provide for a wide range of residential, commercial, business, professional office and light industrial uses and to provide for accessory uses and compatible public and semipublic environment by fostering innovative building and open space masses resulting in an aesthetically attractive working environment. Such uses shall be able to meet comparatively rigid specifications as to nuisance-free performance and shall be clean, free of objectionable elements and shall operate entirely within enclosed structures. This district is intended to be created in situations where, because of special circumstances, the area is adequate to accommodate the uses, which can be reasonably buffered from adjoining residential areas.
In the MUD only the following uses are authorized.
A. 
Commercial uses.
(1) 
Principal uses.
(a) 
Bakery.
(b) 
Business or professional office.
(c) 
Business service.
(d) 
Candy or ice cream store.
(e) 
Commercial school.
(f) 
Conference or training center.
(g) 
Convenience store.
(h) 
Custom drafting.
(i) 
Day-care center.
(j) 
Delicatessen.
(k) 
Essential services.
(l) 
Financial institutions.
(m) 
Garden nursery.
(n) 
Health club.
(o) 
Commercial use.
(p) 
Laundry/dry cleaners.
(q) 
Motel/hotel.
(r) 
Personal care service.
(s) 
Pet grooming.
(t) 
Pharmacy.
(u) 
Printing.
(v) 
Restaurant.
(w) 
Retail stores.
(x) 
Schools.
(y) 
Specialty food stores.
(z) 
Specialty retail stores.
(aa) 
Upholsterer.
(2) 
Conditional uses.
(a) 
Public recreation.
(b) 
Car wash.
(c) 
Church.
(d) 
Commercial recreation.
(e) 
Day-care or preschool facility in church or school.
(f) 
Firehouse.
(g) 
Hospital.
(h) 
Indoor amusement.
(i) 
Nursing home.
(j) 
Repair shop.
(k) 
Tavern.
(l) 
Truck and heavy equipment rental sales and service.
(m) 
Vehicle accessory sales and installation.
(n) 
Vehicle rental, sales and service.
(o) 
Vehicle repair garage.
(p) 
Service station.
(q) 
Supporting commercial uses.
(3) 
Use by special exception.
(a) 
Drive-in facilities.
(b) 
Public utility installation.
(c) 
Kennel.
(d) 
Shopping centers.
(e) 
Clinic (excluding methadone treatment facilities).
(f) 
Public buildings.
(4) 
Accessory uses.
(a) 
Off-street parking and loading, subject to Article XVIII.
(b) 
Public parking lot or garage, subject to § 280-102A(24).
(c) 
Signs, subject to Article XIX.
(d) 
Temporary construction trailer(s), model home(s) or sales office(s), subject to § 280-110.
B. 
Residential uses.
(1) 
Principal uses.
(a) 
Garden apartments.
(b) 
Single-family dwelling.
(c) 
Townhouses.
(d) 
Two-family dwelling.
(2) 
Conditional uses.
(a) 
Noncommercial recreation.
(b) 
Public recreation.
(c) 
Golf course.
(d) 
Group care facility.
(e) 
Retirement community.
(f) 
Planned residential development (PRD).
(3) 
Use by special exception.
(a) 
Apartment above office or retail.
(b) 
Home occupation.
(c) 
Public utility installation.
(d) 
Conversion apartment.
(4) 
Accessory uses:
(a) 
Fences, § 280-106.
(b) 
Home gardening.
(c) 
Off-street parking and loading, subject to Article XVIII.
(d) 
Accessory uses customarily incidental to and on the same lot with any permitted use, conditional use or by special exception authorized in this district.
(e) 
Private garages and storage buildings.
(f) 
Private residential swimming pools or tennis courts.
(g) 
Home office.
(h) 
Keeping of domestic pets.
(i) 
Signs, subject to Article XIX.
(j) 
Temporary construction trailer(s), model home(s) or sales office(s), subject to § 280-110.
C. 
Light industrial uses.
(1) 
Principal uses.
(a) 
Contracting business.
(b) 
Contractor's yard.
(c) 
Light manufacturing.
(d) 
Lumberyard.
(e) 
Manufacturing.
(f) 
Nursery or greenhouse.
(g) 
Research and development.
(h) 
Warehousing.
(i) 
Wholesaling.
(2) 
Conditional uses: none.
(3) 
Use by special exception.
(a) 
Public utility installation.
(b) 
Commercial communications tower.
(c) 
Mini warehouse or self-storage buildings.
(d) 
Truck removal.
(e) 
Mineral removal.
(4) 
Accessory uses.
(a) 
Fences.
(b) 
Off-street parking and loading, subject to Article XVIII.
(c) 
Private garages and storage buildings.
(d) 
Public parking lot or garage, subject to § 280-102A(24).
(e) 
Temporary construction trailer(s), model home(s) or sales office(s), subject to § 280-110.
(f) 
Signs, subject to Article XIX.
A mixed-use overlay district shall only be permitted in the SD District and requires review and approval by the Board of Supervisors. Also, property intended for a MUD must be owned by one entity and meet the following minimum requirements.
A. 
Minimum lot area: 60 acres.
B. 
Minimum lot frontage along an existing roadway: 200 feet.
C. 
Area and bulk regulations for uses within the MUD.
(1) 
Commercial uses.
(a) 
The area and bulk regulations under § 280-42, for Commercial (C-1) District, shall apply to all commercial uses above.
(b) 
Below is a list of commercial uses that are subject to additional requirements under Article XVI, which contains express standards and criteria for granting conditional uses and uses by special exception:
[1] 
Car wash, § 280-102A(5).
[2] 
Church, § 280-102A(7).
[3] 
Clinic, § 280-102A(16).
[4] 
Commercial recreation, § 280-102A(9).
[5] 
Day-care or preschool facility in church or school, § 280-102A(12).
[6] 
Firehouse, § 280-102A(7).
[7] 
Hospital, § 280-102A(16).
[8] 
Public buildings, § 280-102A(7).
[9] 
Schools, § 280-102A(7).
[10] 
Service station, § 280-102A(29).
[11] 
Shopping center, § 280-102A(30).
[12] 
Supporting commercial uses, § 280-102A(32).
[13] 
Truck and heavy equipment rental sales and service, § 280-102A(34).
[14] 
Vehicle rental, sales and service, § 280-102A(35).
[15] 
Vehicle repair garage, § 280-102A(36).
[16] 
Public utilities installation, § 280-102A(26).
[17] 
Temporary construction trailer(s), model home(s) or sales office(s), § 280-102A(33).
[18] 
Public parking lot or garage, § 280-102A(24).
(2) 
Residential uses.
(a) 
The area and bulk regulations under § 280-35, for the Residential (R-3) District, shall apply to all residential uses listed above.
(b) 
Below is a list of residential uses that are subject to additional requirements under Article XVI, which contains express standards and criteria for granting conditional uses and uses by special exception:
[1] 
Conversion apartment, § 280-102A(11).
[2] 
Group care facility, § 280-102A(15).
[3] 
Planned residential development (PRD), § 280-102A(22).
[4] 
Retirement community, § 280-102A(27).
[5] 
Noncommercial recreation, § 280-102A(25).
[6] 
Apartment above office or retail, § 280-102A(3).
[7] 
Home occupation, § 280-102A(39).
[8] 
Public utility installation, § 280-102A(26).
[9] 
Temporary construction trailer, model home or sales office, § 280-102A(33).
(3) 
Light industrial uses.
(a) 
The area and bulk regulations outlined below shall apply to the light industrial uses listed above.
(b) 
Below is a list of light industrial uses that are subject to additional requirements under Article XVI, Conditional Uses and Uses by Special Exception:
[1] 
Commercial communications tower, § 280-102A(8).
[2] 
Light manufacturing, § 280-102A(18).
[3] 
Mineral removal, § 280-102A(20).
[4] 
Mini warehouses or self-storage buildings, § 280-102A(19).
[5] 
Public utility installation, § 280-102A(26).
[6] 
Temporary construction trailer, model home or sales office, § 280-102A(33).
[7] 
Public parking lot or garage, § 280-102A(24).
D. 
Minimum lot area.
(1) 
Principal uses: 32,000 square feet.
E. 
Minimum lot width.
(1) 
Principal uses: 100 feet.
F. 
Maximum lot coverage: 45%.
G. 
Minimum front yard: 35 feet.
H. 
Minimum rear yard.
(1) 
Principal structures adjoining any R districts: 150 feet.
(2) 
Principal structures adjoining all others: 40 feet.
(3) 
Accessory structures adjoining any R districts: 150 feet.
(4) 
Accessory structures adjoining all others: 20 feet.
I. 
Minimum side yard.
(1) 
Principal structures adjoining any R districts: 150 feet.
(2) 
Principal structures adjoining all others: 20 feet.
(3) 
Accessory structures adjoining any R districts: 150 feet.
(4) 
Accessory structures adjoining all others: 20 feet.
J. 
Special yard requirements: see § 280-106.
K. 
Permitted projections: see § 280-107.
L. 
Maximum height.
(1) 
All principal structures: three stories and no more than 45 feet.
(2) 
All accessory structures: one story and no more than 15 feet.
M. 
Height exceptions: see § 280-108.
See Article XVIII.
See Article XIX.
See § 280-105.
See § 280-112.
See § 280-101.