Before approval of a plan by the Planning Board, the Board shall also in proper cases require the plan to show a park or parks suitably located for playground or recreation purposes, or for providing light and air and not unreasonable in area in relation to the area of the land being subdivided and the prospective uses of such land, and if so determined said Board shall by appropriate endorsement on the plan require that no building may be erected on such park or parks for a period of not more than three years without its approval.
A. 
All subdivisions shall comply with Chapter 136, Wetlands, of the Code of the Town of Nantucket regarding wetland protection and the Massachusetts Wetlands Protection Act (MGL c. 131, § 40, as amended) and the rules and regulations promulgated under the provision of said act by the Massachusetts Department of Environmental Protection.
B. 
In addition to compliance of all proposed public improvements with the Wetlands Protection Act and Chapter 136, Wetlands, of the Code of the Town of Nantucket, the layout of all lots and open spaces shall comply with the intent of said Act and Chapter 136 and the rules and regulations promulgated under them[1] by protecting wetlands through the use of one, or a combination of several, of the following methods:
(1) 
Making lots large enough and of such shape and location so that anticipated future structures and access to those structures may be accompanied by full compliance to the Wetlands Protection Act and Chapter 136, Wetlands, of the Code of the Town of Nantucket and their rules and regulations; or
(2) 
Designating wetland areas as common open space to be deeded, fee simple, to the Nantucket Conservation Commission, a homeowners' association or suitable conservation organization (Nothing herein shall obligate the Town of Nantucket to accept such common open space.); or
(3) 
The inclusion of conservation easements in the plan to accommodate wetlands areas.
[1]
Editor's Note: See Ch. 390, Wetlands Protection, of the Town Regulations.
A. 
All subdivisions shall be designed with due regard to the prevention of loss of life and property due to flooding. Areas shall be considered floodprone which appear on the Federal Emergency Management Agency (FEMA) Flood Hazard Boundary Maps, as amended effective September 13, 1974.[1] Applicants not in agreement with this delineation may appeal the delineation by providing the Board with sufficient positive documentation prepared by a registered engineer, including, but not limited to, maps, profiles and written historical accounts showing that the particular area being appealed is not, in fact, subject to periodic flood hazard. If deemed valid, these materials will be used to petition FEMA to amend the official Flood Hazard Boundary Map for Nantucket. The arrangement, shape, and size of lots on the plan shall protect future development of the site by any one, or a combination of several, of the following methods:
(1) 
Lots large enough and of such shape and location that anticipated new structures will be able to be safely sited within areas of each lot so that the lowest floor (including basement) is elevated to or above the level of the one-hundred-year flood may be developed unless the anticipated construction:
(a) 
Is located landward of the reach of the mean high tide;
(b) 
Is elevated on adequately anchored piles or columns to a lowest floor level at or above the one-hundred-year flood level and securely anchored to such piles or columns; and
(c) 
Has no basement and has the space below the lowest floor free of obstructions so that the impact of abnormally high tides or wind-driven water is minimized.
(2) 
Designating flood hazard areas as common open space to be deeded fee simple to the Nantucket Conservation Commission, a homeowners' association or suitable conservation organization. (Nothing herein shall obligate the Town of Nantucket to accept such common open space.)
(3) 
The inclusion of conservation easements in the plan to accommodate flood hazard areas.
[1]
Editor's Note: The current FEMA flood maps for Nantucket are dated 6-9-2014. See Ch. 139, Zoning, § 139-12A, of the Code of the Town of Nantucket.
B. 
All public utilities and facilities, such as sewer, gas, electrical and water systems shall be located, elevated and constructed to minimize or eliminate flood damage. Special drainage measures shall be taken to reduce exposure of areas, both on- and off-site, to flood damage.
Due regard shall be shown for all natural features, such as large trees, watercourses, scenic points, historic locations and similar community assets which, if preserved, will add attractiveness and value to the neighborhood.
Not more than one building designed or available for use as a dwelling shall be erected or placed or converted to such use on any lot in a subdivision or elsewhere in the Town, without the consent of the Board, and such consent may be conditional upon the providing of adequate ways furnishing access to each site for lots within a subdivision. A fee shall accompany a request for a second dwelling in the amount set from time to time by the Planning Board. See also Chapter 139, Zoning, § 139-7A, of the Code of the Town of Nantucket.
In case a tract is subdivided into larger parcels than ordinary building lots, such parcels shall be arranged so as to allow the logical and economic extension of streets, utility easements, drainageways and public areas into such parcels.
Land subject to hazard to life, health or property shall not be subdivided for residential purposes until such hazards have been eliminated or unless adequate safeguards against such hazards are provided by the subdivision.
The street system shall comply with the following requirements for locations and alignments:
A. 
The street system shall conform to the Master Plan, if any, of proposed streets as adopted in whole or in part by the Board.
B. 
Streets shall be continuous and in alignment with existing streets as far as practicable.
C. 
Provisions shall be made for the proper projection of streets if adjoining property is not subdivided.
D. 
Streets shall be designed to provide the most direct and convenient access to the site for normal traffic and emergency vehicles, while still respecting the natural contours of the land as far as possible.