Except collegiate Greek system residences.
A. Suburban Residential and Rural District. The construction of any new multifamily dwelling or the conversion of an existing single-family or two-family dwelling into a multifamily dwelling in the Suburban Residential District and the Rural District shall be done in accordance with the following standards:
(1) Multifamily dwellings in developed areas shall retain and respect the existing streetscape and character of the neighborhood. This shall include the size and massing of structures, the relationship of buildings to the street and the use and treatment of front yard areas.
(2) For new construction, utilities shall be placed underground in accordance with Article
2-10, §
300-2.47, Provision of underground utilities.
(3) All required yard area shall be retained as open, landscaped areas which are not occupied by buildings, structures, parking lots, storage or similar uses. Access roads or drives and sidewalks may be located to allow vehicular and pedestrian traffic to cross yard areas.
(4) A buffer shall be established between the multifamily housing and any abutting single-family or two-family dwellings. The buffering shall be sufficient to minimize any kind of potential nuisance, such as, but not limited to, headlights, noise, storage areas or waste collection and disposal areas. The buffering shall consist of landscaping, fencing, grading, or a combination of features.
(5) All private access roads shall be located within a fifty-foot dedicated right-of-way. No off-street parking shall be located within this right-of-way.
(6) The developer shall provide a minimum of 1,000 cubic feet of private, lockable storage for personal property for each dwelling unit. This space may be part of the dwelling unit or at a separate location or building.
(7) The developer shall provide a minimum of 250 square feet of private outdoor space for each dwelling unit.
(8) The developer shall provide a minimum of 250 square feet of common outdoor space for each dwelling unit, which shall be developed with appropriate recreation facilities.
(9) All roads that will be dedicated to the Town for public use shall meet the standards for public roads contained in Article 2-5, Minimum Standards for Design and Construction of Streets and Ways. All private roads, drives or accessways shall also meet the standards for private roads contained in Article
2-5.
(10) All off-street parking and lighting must be adequately screened from view of public ways and from adjacent lots by buildings, topography, fencing or landscaping of reasonable opacity and at least four feet high.
(11) The number of dwelling units permitted on the site shall be determined by dividing the net residential acreage by the minimum lot area required per dwelling unit.
B. Urban Residential, Village Center Districts, Urban Commercial, Mosher Corner Mixed-Use District, Office-Residential, Urban Residential Expansion District and Narragansett Mixed-Use District. Multi-use buildings are exempt from the requirement of this section. The construction of any new multifamily dwelling or the conversion of an existing single-family or two-family dwelling into a multifamily dwelling in the following growth districts shall be done in accordance with the following standards:
(1) Multifamily dwellings in developed areas shall retain and respect the existing streetscape and character of the neighborhood. This shall include the size and massing of structures, design and use of exterior building materials, the relationship of buildings to the street and the use and treatment of front yard areas. Multifamily dwellings may request a waiver should the structures be located so that they are not visible to the existing neighborhood. The developer shall include a licensed landscape architect in the overall design team.
(2) The maximum number of dwelling units permitted on the site shall be determined by multiplying the gross acreage of the area proposed to be subdivided by 65% to allow for access and unusable land and then dividing the resulting net area by the minimum lot area per dwelling unit.
(3) Developments shall comply with any applicable maximum floor area and/or maximum imperious coverage ratios identified in the underlying zoning district.
(4) Streetscape along public streets. Development adjacent to public streets shall contain the following:
(a) 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.
(b) Street furniture such as benches, trash bins and bike racks.
(c) Pedestrian lighting.
(5) All developments are required to have underground utilities, public sewer and water meeting the requirements of the Portland Water District.
(a) The Planning Board may grant a waiver for the requirement of the extension of public sewer if the lot is located greater than 400 feet from the nearest connection to a public sanitary sewer and the connection to the public sanitary sewer would cause an undue hardship to the developer, as determined by the Planning Board.
(b) The Planning Board may grant a waiver for the requirement of the extension of public water if the lot is located greater than 600 feet from the nearest connection to public water and the proposal meets the determination of unreasonable costs under Article
2-10,
§ 300-2.48: Provision of public water supply, Provision of public water supply, Subsection
§ 300-2.48E, Exemption from public water supply requirements.
(6) A buffer shall be established between the multifamily housing and any abutting single-family or two-family dwellings. The buffering shall be sufficient to minimize any kind of potential nuisance, such as, but not limited to, headlights, noise, storage areas. The buffering shall consist of landscaping, fencing, grading, or a combination of features.
(a) A developer is required to submit a detailed plan and specifications by a professional designer for landscaping and screening which will afford a degree of buffering and screening to meet the standard.
(b) Screening of refuse facilities. Uses within the 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 the 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.
(c) Maintenance of landscaping. All required landscaping and screening shall be maintained or replanted by the owner of the parcel(s) as necessary so as to continue its effectiveness.
(7) Sidewalks within the development are required to allow pedestrian connections to structures, amenities and/or prominent natural features within the development and the existing sidewalk network.
(8) Driveways, private ways and public streets shall be designed to effectively and safely handle the anticipated traffic volumes proposed for the development both on and off the site.
(a) Entrances shall be combined to the maximum extent possible.
(b) For lots with frontage on both a public street and another street the access drives shall be located off the street of lower classification unless the Planning Board finds that no safe alternative exists.
(c) All roads that will be dedicated to the Town for public use shall meet the standards for public roads contained in Article 2-5, Minimum Standards for Design and Construction of Streets and Ways.
(d) All private roads, drives or accessways shall also meet the standards for private roads contained in Article
2-5, Minimum Standards for Design and Construction of Streets and Ways.
(9) All off-street parking and lighting must be adequately screened from view of public ways and from adjacent lots by buildings, topography, fencing or landscaping of reasonable opacity and at least four feet high.
(a) In districts that allow parking to the front of the building, the parking lots between the front wall of any building and the street shall be limited to one row of parking spaces, the access driveway, and walkway into the buildings.
(b) All other parking shall be located to the side and rear of the building.
ND District:
Multifamily housing as part of a mixed-use development.