Dimensional standards
Extracted standards
19 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Density bonus
Density bonuses may be granted for dedicated open space, bikeways/greenways, walk-up housing, community and institutional uses, developed recreational facilities, enhanced streetscapes, workforce housing, and other innovative factors.
- Walk-up housing density credit
A dwelling unit located above the ground floor of a structure that contains a nonresidential use on the ground floor may be applied toward the allowable base density as one-half of a dwelling unit.
Other
- Bufferyard planting requirements
Bufferyard shall contain a minimum of three canopy trees, six understory trees, and nine shrubs per 100 feet of length.
- Bufferyard width for screening commercial from residential20 ft
Commercial, institutional, and community uses shall be screened from residential uses within and abutting the planned neighborhood development by a bufferyard 20 feet in width.
- Child careDay careSupervised care for children or adults during part of the day. facility requirement
In a PND with 75 or more residential units, a parcel may be designated for a child care facility with a minimum of 100 square feet per residential unit, operated as a nonprofit.
- Community hall requirement
In a PND with 100 or more residential lots or units, a community hall may be constructed with an enclosed area of no less than 25 square feet for each residential unit or lot, operated as a nonprofit.
- Maximum open spaceOpen spaceLand a development must leave unbuilt, sometimes required to be usable or planted. from conservation lands50 pct
Land characterized as conservation lands may be used to fulfill the minimum open space requirement up to a maximum of 50 percent of the total dedicated natural open space.
- Open spaceOpen spaceLand a development must leave unbuilt, sometimes required to be usable or planted. conveyance methods
Open space may be conveyed by reservation for common use, deeded to a property owner's association, or restricted by deed instrument approved by the Town Attorney.
- Maximum imperviousImpervious coverageThe share of a lot covered by anything water cannot soak through — roofs, drives, patios. surfaces in open spaceOpen spaceLand a development must leave unbuilt, sometimes required to be usable or planted.5 pct
Impervious surfaces constitute no more than five percent of the total required open space.
- Open spaceOpen spaceLand a development must leave unbuilt, sometimes required to be usable or planted. permanently dedicated
Open space shall be permanently dedicated for one or more of the following uses: natural resource conservation, recreational facilities, wetland and watercourse preservation, selective forestry, wildlife habitat, undeveloped parklands or scenic preservation.
If developed in phases, provision of dedicated natural open space shall be phased with construction to ensure proportionate share preserved with each phase.
- Maximum open spaceOpen spaceLand a development must leave unbuilt, sometimes required to be usable or planted. satisfied by water or detention basins25 pct
Up to 25 percent of this requirement may be satisfied with land covered by water or by stormwater detention or retention basins.
- Developed recreational facility ratio
Developed recreational facilities shall be developed at a minimum ratio of three acres per 100 units.
- Refuse collection facility screening
All refuse storage facilities shall be screened on three sides by a solid wooden fence or masonry wall and a tight evergreen hedge. The fourth side shall be angled to minimize view or screened by an opaque gate.
- Screening along arterial streets
Uses abutting an arterial street shall be screened by a bufferyard of 20 feet in width containing a minimum of three canopy trees, six understory trees and nine shrubs per 100 feet of frontage.
- Minimum lot areaMinimum lot areaThe smallest parcel on which the district allows anything to be built. for single-familySingle-family dwellingOne dwelling unit on its own lot, usually detached from its neighbours. detached in open spaceOpen spaceLand a development must leave unbuilt, sometimes required to be usable or planted. calculation10,000 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
Not developed as single-family detached dwelling units having a minimum lot size of 10,000 square feet.
Parking
- Parking island requirements
Parking areas shall have a landscaped island at each end of each row of vehicle spaces. No more than 15 spaces shall be laid out without an intermediate landscape island. Such planting islands shall be not less than ten feet wide in the direction parallel to the row and not less than 20 feet long in the direction perpendicular to the row.
- Minimum parkingMinimum parkingThe number of off-street spaces a development must provide before it may open. tree caliper2 in
Trees a minimum of two inches in caliper measured six inches above ground level.
- Parking lot tree ratio
Parking areas shall be planted with trees a minimum of two inches in caliper measured six inches above ground level, so that there is at least one tree per ten parking spaces within the parking lot.
From the ordinance
Planned neighborhood developments shall reserve a minimum of 25 percent of the total project area... as dedicated natural open space.