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Township of Tredyffrin, PA
Chester County
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Table of Contents
Table of Contents
Code
Zoning Map New Laws (1) Index Notes (13)
[Added 12-2-2013 by Ord. No. HR-399[1]]
[1]
Editor's Note: This ordinance also repealed former Art. XII, OA Office-Apartment Districts, as amended.
A. 
O Office District. The O Office District is intended to accommodate development of large office complexes. This district sets aside large parcels of land where architecturally coordinated office structures can be built in a campus-like atmosphere. Typical office uses include corporate headquarters, research and development facilities, and office parks. To provide additional services to both employees and visitors to the campus, a limited amount of commercial uses, such as retail establishments and restaurants, are also allowed.
B. 
LI Limited Industrial District. The LI Limited Industrial District is intended to accommodate select non-nuisance research and industrial uses, which require significant lot area and proper buffering when located adjacent to residential neighborhoods. The LI District encourages only those research and industrial uses that would not constitute a hazard or a nuisance to the adjacent development. To provide additional services to both employees and visitors to the campus, a limited amount of commercial uses, such as retail establishments and restaurants, are also allowed.
C. 
PIP Planned Industrial Park District. The PIP Planned Industrial Park District is intended to accommodate select modern, non-nuisance uses, such as light industrial, warehouse, distribution, administration, office and research establishments. The district is particularly suited for development of large corporate campus facilities and industrial parks. To provide additional services to both employees and visitors to the campus, a limited amount of commercial uses, such as retail establishments and restaurants, are also allowed.
[Amended 7-13-2015 by Ord. No. HR-410; 9-19-2022 by Ord. No. HR-456; 12-5-2022 by Ord. No. HR-461]
Only those uses listed in Table 40.1: Office and Industrial District Uses as permitted, special exception, or conditional uses are allowed within the office and industrial districts. A "P" indicates that a use is permitted within that zoning district. An "SE" indicates that a use is a special exception use in that zoning district and must obtain a special exception approval. A "C" indicates that a use is a conditional use in that zoning district and must obtain a conditional use approval. No letter (i.e., a blank space) or the absence of the use from the table indicates that use is not allowed within that zoning district. When a P, C, or SE is annotated with a "*", such use is only allowed when accessory to an office or industrial park principal use of the site, and is integrated into the larger development.
Table 40.1: Office and Industrial District Uses
Use
O
LI
PIP
Bank or other financial institution
SE
SE*
SE*
Business or private school
P
Cell tower
SE
SE
Commercial greenhouse or nursery
P
Compatible multifamily dwelling or apartment house
P
Compounding or packaging of pharmaceuticals – no manufacturing
SE
Corporate conference/training center for employees and/or customers
P
P
P
Day care
P*
P*
P*
Governmental or public utility use
SE
SE
SE
Health club
P
P
P
Hotel
SE
SE
SE
Mail order distribution establishment
SE
P
Manufacture and assembly of small electrical equipment, appliances and parts
P
P
Manufacture of boxes, containers, bags, novelties and other packaging products from previously prepared materials
P
P
Manufacture of novelties, jewelry, watches, clocks, optical goods, professional and scientific instruments
P
P
Manufacture, compounding, processing, packaging or treatment of food products
P
P
Manufacturer's representative or catalog ordering establishment
SE
P
P
Medical/dental office
P
P
Office
P
P
P
Outdoor seating
P
P
P
Park
P
P
P
Parking lot (principal use of lot)
SE
SE
SE
Parking structure (principal use of lot)
P
P
P
Personal service establishment
P*
P*
P*
Printing, publishing, lithographing, binding
P
P
P
Quarrying operations
SE
Radio or television station/studio, motion picture studio
P
P
Retail store
P*
P*
P*
Research facility
P
P
P
Residential care facilities for older persons as defined in § 208-45A(1) through (5).
p
Restaurant
P*
P*
P*
Self-storage facility
SE
P
P
Warehouse
SE
P
P
Wholesale establishment
SE
P
[Amended 3-17-2014 by Ord. No. HR-404; 7-13-2015 by Ord. No. HR-410]
Table 41.1: Office and Industrial District Dimensional Standards establishes the dimensional standards for the office and industrial districts.
Table 41.1: Office and Industrial District Dimensional Standards
Regulations
O
LI
PIP1
Minimum area
5 acre lot
10 acre lot
40 acre tract
Minimum lot width
200 feet
200 feet
Not applicable
Minimum street yard
65 feet
65 feet
150 feet
Minimum yard abutting residential
10% of lot depth, with a minimum of 20 feet and no more than 50 feet required
50 feet
50 feet
Minimum yard abutting nonresidential or railroad right-of-way
20 feet
30 feet
30 feet
Minimum separation between structures
60 feet
60 feet
60 feet2
Maximum building coverage
30%
40%
30%3
Maximum impervious coverage
45%
50%
50%4
Maximum building height
60 feet
60 feet, unless within 200 feet of a residential district, then 42 feet
70 feet
1Standards for the PIP District apply only to exterior streets, yards and development of the tract as a whole. Individual buildings, units or parcels may be subdivided from the Tract provided the tract remains compliant with the PIP District standards set forth in Table 41.1.
2For residential care facilities for older persons: Minimum separation between structures may be reduced to 30 feet where the end(s) or corner(s) of a structure abuts the primary elevation, end or corner of another structure. No structures shall have a primary elevation directly facing another structure's primary elevation without a separation distance of at least 60 feet.
3Maximum building coverage in the PIP District shall be calculated on the basis of net tract area.
4Maximum impervious coverage in the PIP District shall be calculated on the basis of net tract area.
Development within the office and industrial districts is subject to the design standards of § 181-50.
Development within the office and industrial districts is subject to the site development requirements of this chapter and the Subdivision and Land Development Ordinance,[1] including but not limited to:
A. 
The parking requirements of § 208-103.
B. 
The landscape requirements of § 181-52.
C. 
The sign regulations of § 208-127.
[1]
Editor's Note: See Ch. 181, Subdivision and Land Development.
[Added 7-13-2015 by Ord. No. HR-410]
Density for residential care facilities for older persons in the PIP District shall be calculated based on the requirements of § 208-46E, except that density shall be calculated on a net tract area basis instead of a lot area basis.
[Added 12-5-2022 by Ord. No. HR-461]
The following design standards shall apply to the development of a compatible multifamily dwelling or apartment house. To the extent the following design standards conflict with the design standards of § 181-50, § 208-102 or other applicable provisions of this Zoning Ordinance or Subdivision and Land Development Ordinance,[1] the following design standards of this § 208-42.3 shall apply.
A. 
A compatible multifamily dwelling or apartment house shall abut or share a tract (which may include more than one lot) with an auxiliary health club and/or full-service hotel within the Office District having a minimum gross floor area of 75,000 square feet and a minimum of 25,000 square feet of active indoor and outdoor amenities inclusive of fitness facilities, swimming pool and cafe/restaurant and shall be subject to a recorded joint covenant between the lots (in the event they are not on the same lot), which may include provisions for access, site amenities, walkways, shared parking, area and bulk and other criteria as applicable. Each individual lot need not meet the area and bulk requirements of the Office District as long as the totality of the tract (which may include more than one lot) is compliant with the applicable area and bulk requirements of the Office District, including any prior variances for the tract.
B. 
The auxiliary health club and/or full-service hotel and compatible multifamily dwelling or apartment house shall be developed pursuant to a common plan of development or the auxiliary health club and/or full-service hotel shall be in existence at the time of a land development application for the compatible multifamily dwelling or apartment house.
C. 
A proposed compatible multifamily dwelling or apartment house shall include pedestrian connectivity to the auxiliary health club and/or full-service hotel, which shall include covered walkways, sidewalks and/or crosswalks.
D. 
A compatible multifamily dwelling or apartment house shall have a lot area for the tract of 3,700 square feet per dwelling unit, with no more than 200 dwelling units.
E. 
A compatible multifamily dwelling or apartment house shall be limited to studio, one- and two-bedroom dwelling units.
F. 
Impervious surfaces shall be minimized through the use of structured parking facilities and green roof buildings in which the green roof shall be 50% of the gross roof area of the compatible multifamily dwelling or apartment house, excluding the parking structure.
G. 
In addition to the stormwater requirements of Chapter 174, the Stormwater Management Ordinance, compatible multifamily dwelling and apartment house developments shall have stormwater management controls designed to:
(1) 
Exceed the net two-year volume requirement defined in § 174-20C(1)(b)[1], Groundwater recharge and volume control standards, by at least 25% on a tract-wide basis through recharge, evapotranspiration, and/or on-site capture and reuse.
(2) 
Exceed the baseline peak rate control requirements in § 174-23, Table 23.1, Stormwater peak rate control and management standards, by at least 25% for all design storms on a tract-wide basis.
H. 
Parking spaces for a compatible multifamily dwelling or apartment house and auxiliary health club and/or full-service hotel shall be calculated for the totality of the tract, subject to the joint covenant between the lots (in the event they are not on the same lot). Parking for the auxiliary health club and/or full-service hotel shall be based on the parking requirement set forth in § 208-103. The number of parking spaces for a compatible multifamily dwelling or apartment house on a tract, based on § 208-103, may be reduced by up to 25% during the land development process at the discretion of the Planning Commission, based on a parking analysis prepared by a qualified traffic engineer.
I. 
Evidence of common management, common control or common ownership of a compatible multifamily dwelling or apartment house and the auxiliary full-service hotel and/or health club shall be provided to the Township Solicitor for review at the time of submission of a land development application.
[1]
Editor's Note: See Ch. 181, Subdivision and Land Development.