A. 
Planned unit developments shall contain not less than 20 acres.
B. 
Planned unit developments shall be served by public sewer and public water. "Public sewer" shall mean the two municipal sewer systems.
C. 
The standards set forth in Part 2, Article 2-1, Environmental, and of Part 2, Article 2-5, Minimum Standards for Design and Construction of Streets and Ways, shall be met, where relevant. The Town Council may waive any of the requirements contained in said articles in accordance with the provisions of Article 1A-6, Waivers.
A. 
Net acreage. The density of all PUDs shall be based on the established net acreage of the proposed PUD site. Net acreage shall be determined in accordance with the definition of "net acreage" in § 300-1.29. Deductions under this net acreage provision shall be subtracted from the gross acreage of the proposed PUD. The net acreage shall be further reduced if, after determination of residential and/or nonresidential densities, the proposed PUD does not meet the 30% open space requirement of § 300-1A.6.
B. 
Residential density. Net area dedicated for residential uses shall be established by determining the portion of the net area to be used for residential uses, as defined in § 300-1A.3, Subsection A. Maximum numbers of dwelling units per acre dedicated to residential uses, by underlying zoning district, are as follows:
District
With Public Sewer and Water
Urban Residential, Office-Residential, Village Centers, Urban Commercial
5.5
Suburban Residential, Roadside Commercial, Industrial
5.5
Rural
Not allowed
C. 
Nonresidential density. The total gross floor area of the nonresidential uses set forth in Article 1A-2 shall not exceed 30% of the net acreage of the parcel dedicated to such uses. No more than 70% of the net acreage of the nonresidential parcel may be covered with buildings, structures, accessory uses such as parking lots and other impervious surfaces.
A. 
A minimum of 5% of any proposed rental or owner-occupied housing units shall be reserved for occupancy by low- and moderate-income households. The monthly rental or mortgage payments for these housing units shall not exceed 30% of the low- and moderate-income household's gross monthly income. For the purposes of this Part 1A, "low- and moderate-income households" shall mean households with incomes of less than or equal to 80% of the area median income, adjusted by family size, as established by the Maine State Housing Authority, or the Department of Economic and Community Development.
B. 
The housing units reserved for low- and moderate-income households shall be identical in external design and construction to the other units in the project and shall be integrated throughout the planned unit development. The developer must enter into a binding agreement with the Town to maintain the affordability of these reserved housing units.
[Amended 8-5-2025 by Ord. No. 25-82]
A. 
Planned unit developments shall reserve not less than 30% of the gross acreage as dedicated open space.
B. 
In addition to the open space required in Subsection A, multifamily residential development in the planned unit development shall provide private and common outdoor space in conformance with the requirements of Part 2, § 300-2.28, Performance standards for multifamily housing, Subsection A(7) and (8).
C. 
Provision and maintenance of open space provided pursuant to Subsections A and B shall comply with the following requirements:
(1) 
Open space shall have adequate access, shape, size, dimension, character, location and topography to promote the purposes set forth in Article 1A-1.
(2) 
There shall be no further subdivision or development of this dedicated open space land.
(3) 
Open space land shall be subject to a conservation easement or an agreement with the Town for its preservation as open space or in the alternative shall be deeded as follows:
(a) 
To the Town or state for recreational or conservation purposes; or
(b) 
To a private nonprofit association or land trust legally constituted for conservation purposes; or
(c) 
To a community association consisting of the residents or owners of the development for open space purposes.
(4) 
The following shall be required if any or all of the open space is to be deeded to a community association consisting of the residents or owners of the development:
(a) 
The formation and incorporation by the developer of one or more appropriate community associations shall be required prior to site plan approval;
(b) 
Covenants for mandatory membership in the association setting forth the owner's rights, interests, and privileges in the association and the common land shall be reviewed by the Town Attorney and approved by the Planning Board and included in the deed for each lot or unit;
(c) 
The community association shall have the responsibility of maintaining the open space and operating and maintaining recreational facilities and lands;
(d) 
The association shall levy charges against all property owners to defray the expenses connected with the maintenance of open space and recreational facilities; and
(e) 
The developer shall maintain control of such open space and be responsible for its maintenance until development sufficient to support the association has taken place.
D. 
If the planned unit development is developed in phases, the provision of open space shall be phased with the construction of improvements to ensure that a proportionate share of the total dedicated open space is preserved with each phase.
E. 
"Open space" shall be defined as lands permanently dedicated for one or more of the following uses: agricultural cultivation or grazing, gardening, forestry, natural resource conservation, wetland preservation, wildlife habitat, undeveloped park land, scenic preservation, outdoor recreation or common open space areas, including significant buffer yards, that are part of an integrated or interconnected open space system. Lands dedicated for use as recreation or park facilities open to the public or as private recreation facilities pursuant to § 300-1A.2C shall be included in open space and counted toward the open space requirement. At least 50% of the open space designated to satisfy the minimum dedicated open space requirement shall be land suitable for development as determined by the definition of "net acreage" in Part 1, § 300-1.29. Streets and other impervious surface areas shall be excluded from the calculation of the minimum dedicated open space requirement; however, lands occupied by paved bicycle paths or similar common recreational facilities, not including tennis courts or buildings, may be counted as dedicated open space, provided such impervious surfaces constitute no more than 5% of the total required dedicated open space. For the purposes of this subsection, "significant buffer yards" shall be large enough to be considered as usable open space and shall have a minimum dimension of 15 feet and a minimum area of 825 square feet.
The number, design and construction of parking spaces, lots, bays and drives shall conform to the applicable requirements of Part 2, Article 2-2, Parking, Loading, and Traffic. The Planning Board may waive this requirement if it determines that the proposed off-street parking scheme will adequately meet the parking needs of the proposed development.
A. 
Screening of nonresidential uses. In addition to the requirements of Part 2, Article 2-1, § 300-2.9, Buffer areas, nonresidential uses shall be screened from residential uses within and abutting the planned unit development by a buffer yard of 20 feet in width containing at least three canopy trees, six understory trees and nine shrubs per 100 feet of length along the perimeter of the lot line abutting the residential use. The Town Council may waive this requirement in accordance with the provisions of Article 1A-6, Waivers.
B. 
Screening along public roadways. Uses within the planned unit development which abut public roadways shall be screened as follows:
(1) 
Residential uses.
(a) 
Abutting an arterial street: a buffer yard of 20 feet in width containing at least five canopy trees, 10 understory trees and 15 shrubs per 100 feet of frontage.
(b) 
Abutting a collector street: a buffer yard of 15 feet in width containing at least two canopy trees, four understory trees and six shrubs per 100 feet of frontage.
(c) 
Abutting a local street: a buffer yard of 10 feet in width containing at least one canopy tree per 100 feet of frontage.
(2) 
Nonresidential uses.
(a) 
Abutting an arterial or collector street: a buffer yard of 10 feet in width containing at least one canopy tree, two understory trees and three shrubs per 100 feet of frontage.
(b) 
Abutting a local street and facing nonresidential use: a buffer yard of 10 feet in width containing at least one canopy tree per 100 feet of frontage.
(c) 
Abutting a public street and facing residential use: a buffer yard of 15 feet in width containing at least two canopy trees, four understory trees and six shrubs per 100 feet of frontage.
C. 
Canopy trees shall be deciduous shade or evergreen trees planted at three inches to 3 1/2 inches in caliper with a mature height of at least 35 feet. Understory trees shall be deciduous shade, fruit or evergreen trees planted at two inches to 2 1/2 inches in caliper with a mature height of at least 12 feet.
D. 
Existing vegetation. Notwithstanding the foregoing, existing vegetation shall be retained and maintained to the extent possible so as to permit such vegetation to fulfill or contribute to buffer and screening requirements.
E. 
Alternative buffers and screening. In lieu of compliance with the above buffer yard and screening requirements, a developer may submit a detailed plan and specifications for landscaping and screening which will afford a degree of buffering and screening equivalent to or exceeding that provided by the above requirements.
F. 
Screening of refuse collection facilities. Uses within the planned unit development shall provide secure, safe and sanitary facilities for the storage and pickup of refuse. Such facilities shall be convenient to collection and shall be appropriate to the type and size of use being served. All refuse storage facilities shall be screened by a solid wall, fence, tight evergreen hedge, or combination of the above. Such screening shall be of sufficient height and design to effectively screen the facility from the view from adjacent residential uses and streets and from adjacent properties.
G. 
Maintenance of landscaping. All required landscaping and screening shall be maintained or replanted as necessary so as to continue its effectiveness.
[Amended 8-5-2025 by Ord. No. 25-82]
Traffic impacts shall be measured by levels of service calculated in accordance with the date and procedures of the Highway Capacity Manual Special Report 209 published by the Transportation Research Board. The applicant must demonstrate the feasibility of, and agree to provide, the road improvements and traffic control devices necessary to accommodate increased traffic generated by the planned unit development.
The planned unit development, at completion, must not exceed the capacities of the public water supply, stormwater management facilities, sewers, solid waste disposal facilities, public safety, emergency and educational services of the Town. Public facilities constructed in connection with the planned unit development shall be constructed and located so as to minimize costs of municipal operation and maintenance. Where a proposed project at any point during its development would exceed the capacity of any of the services listed above, the applicant, prior to final site plan approval of the PUD by the Planning Board, shall negotiate with the appropriate authority, as determined by the Town, a strategy and program for mitigation. Where a capacity shortfall exists, the applicant shall be required to make the necessary improvements, or agree to pay for their pro rata share for the improvement, to accommodate the increased demand on facilities and services generated by the planned unit development. The results of these negotiations shall be subject to review and comment by the Planning Board and review and approval by the Town Council.
[Amended 8-5-2025 by Ord. No. 25-82]
A. 
Public or private street setback. No principal or accessory structure shall be closer than 50 feet to a collector street right-of-way nor closer than 25 feet to a local street right-of-way or easement.
B. 
Building separation. No structure under 30 feet in height shall be located within 15 feet of any other structure. Buildings 30 feet or higher shall be separated by a distance equivalent to 50% of the height of the tallest building. In no instance shall buildings be more than four stories in height.
C. 
Perimeter boundary.
(1) 
The applicable yard requirement of the abutting zone shall be used to determine perimeter boundary setback for buildings and structures, including accessory structures and parking areas.
(2) 
No portion of an active recreational use shall be located within 50 feet of an abutting residential development.
(3) 
Where a planned unit development adjoins or borders an existing residential zoning district or development sharing frontage on the same side of a public or private street, the minimum front yard requirement of the abutting residential zone or development shall apply for a minimum of 200 feet from such common border within the planned unit development frontage.
D. 
The Town Council may waive the requirements of this § 300-1A.11 in accordance with the provisions of Article 1A-6, Waivers.