A. 
Generally 10 prints of the preliminary plat, showing contours, proposed road layout, proposed public improvements (pavement, drainage, storm sewers, sanitary sewers, water service, etc.), zoning of adjacent properties, boundaries of existing improvement districts, adjacent owners and location plan shall be submitted to the Planning Board for conditional approval. Prints of the preliminary development plat and such development forms as are required by the Planning Board may be submitted to and reviewed by the Planning Board with or without representation of the applicant.
B. 
Signature of the Highway Superintendent required. The aforesaid prints shall bear the signature of the Highway Superintendent as an indication that he has reviewed the plat in consultation with the Town Engineer and has no objection to the proposal.
Prints of the preliminary plat shall be distributed as follows:
A. 
Five copies to the Planning Board.
B. 
One copy to the Town Engineer.
C. 
One copy for the Highway Department.
D. 
One copy for the Town Attorney.
E. 
One copy for the Town Board.
F. 
One copy for the Town Clerk.
A. 
Existing conditions data. The preliminary plat shall show or be accompanied by existing conditions data. Such existing conditions data shall include the following, except when otherwise specified by the Planning Board:
(1) 
A key plan showing the location, including the name of the Town or towns and the boundaries of the tract.
(2) 
Property lines and easements: the locations, width and purpose of easements and existing platting if the plat involves resubdividing a project.
(3) 
Streets on or adjacent to the tract, including all streets shown on the Official Map, the name and right-of-way; width and location; the type, width and elevation of surfacing any legally established center-line elevations; and walks, curbs, gutters, bridges and culverts where appropriate.
(4) 
Utilities on or adjacent to the tract location: the size and invert elevation of sanitary, storm and combined sewers; the location and size of water mains; and the location of gas lines, fire hydrants, electric and telephone poles and streetlights. If water mains and sewers are not on or adjacent to the tract, the direction, distance to and size of the nearest water mains and sewers, showing invert elevation of sewers, shall be indicated. Where drainage is to be a natural watercourse, lake, swamp, sink or roadside or drainage ditch, the elevation of water in such watercourse or ditch at the recognized flood stage shall be shown. The Town Engineer will assist in determining such recognized flood stage.
(5) 
Ground elevations on the tract based on a datum plane approved by the Town Engineer. For land that slopes less than approximately 2%, spot elevations at all breaks in grade, along all drainage channels or swales and at selected points more than 100 feet apart in all directions, shall be shown; for land that slopes more than approximately 2% either contours at an interval of not more than five feet, if the ground slope is regular and such information is sufficient for planning purposes, or contours at an interval of not more than two feet, if necessary because of irregular land or need for more detailed data for preparing plans, and construction drawings shall be shown.
(6) 
Subsurface conditions of the tract. If required by the Planning Board, the location and results of tests made to ascertain subsurface soil, rock and groundwater conditions; the depth of groundwater, unless test pits are dry at a depth of five feet; and the location and results of soil percolation tests if individual sewage systems are proposed.
(7) 
Other conditions of the tract. Watercourses, marshes, rock outcrop, wooded areas, isolated preservable trees one foot or more in diameter, houses, other buildings and other significant features shall be shown.
(8) 
Other conditions on adjacent land: the approximate direction and grading of the ground slope, including any embankments or retaining walls; the character and location of buildings, railroad power lines, towers and other nearby nonresidential land uses or adverse influences; the owners of adjacent unplatted land. For adjacent platted land refer to the subdivision plat by name and show the approximate percentage of buildup and the typical lot size and dwelling type.
(9) 
Photographs. If required by the Planning Board, photographs shall state camera locations, directions of view and key numbers.
(10) 
Zoning on and adjacent to the tract.
(11) 
Proposed public improvements. Highways or other major improvements planned by public authorities for future construction on or near the tract shall be shown.
(12) 
Land title and survey. A deed description according to official records; the names and addresses of record owners; a map of survey of tract boundary, including all pertinent bearings and distances made and certified by a registered land surveyor, tied into established Town reference points and, where possible, related to the state system of plane coordinates established by Chapter 545 of the Laws of 1938; and notations stating the acreage, scale, North point, datum, bench marks and date of survey shall be shown.
B. 
Scale of preliminary plat. The preliminary plat shall be drawn at a scale of 100 feet to the inch, unless a different scale is approved by the Planning Board.
C. 
General preliminary plat data. The preliminary plat shall show all proposals, including the following.
(1) 
Streets: names, right-of-way and roadway width: approximate grades and gradients; similar data for alleys, if any.
(2) 
Other rights-of-way or easements; location, width and purpose.
(3) 
The location of utilities, if not shown on other exhibits.
(4) 
Lot lines, lot numbers and block numbers.
(5) 
Sites, if any, to be reserved or dedicated for parks, playgrounds or other public uses.
(6) 
Sites, if any, for multifamily dwellings, shopping centers, churches, businesses or other non-public uses exclusive of single-family dwellings.
(7) 
Minimum building setback lines.
(8) 
Site data, including the number of residential lots, typical lot size and acres in parks, etc.
(9) 
The subdivision name or title under which the plat is to be eventually recorded; also a scale and North point and the date and name and address of subdivider and designer.
D. 
Additional preliminary plat data.
(1) 
When required by the Planning Board, the preliminary plat data shall include the following information:
(a) 
Profiles showing existing ground surface, finished lot grades, in accordance with Town of Boston specifications, and proposed street grades, including extensions for a reasonable distance beyond the limits of the proposed subdivision.
(b) 
Typical cross sections of proposed grading, roadway and sidewalks.
(c) 
Preliminary designs of any bridges and culverts which may be required.
(d) 
A preliminary plan of proposed water mains to connect with existing public water supply or alternative means of water supply approved by the County Health Department.
(e) 
A preliminary plan of proposed sanitary sewers, with grades and sizes indicated, connecting with existing sanitary sewerage systems or alternative means of treatment and disposal approved by the County Health Department.
(f) 
A preliminary plan for collecting and discharging storm drainage.
(g) 
Proposals for streetlighting and street trees.
(2) 
All elevations shall be based on a datum plane approved by the Town Engineer.
(3) 
Stormwater management plan. All new development of industrial sites, subdivisions, planned unit development (PUD), commercial sites over one acre and residential development over one acre shall include a stormwater management plan. The stormwater management plan shall include, but not be limited to, the predevelopment runoff, postdevelopment runoff, proposed retention and/or detention facilities, erosion control during and after construction and pollution mitigations. This includes submission of drainage calculations with the stormwater management plan.
[Added 1-7-2004 by L.L. No. 2-2004]
E. 
Deed restrictions. When required by the Planning Board, the subdivider shall include with the preliminary plat data a draft of protective covenants (deed restrictions) whereby the subdivider proposes to regulate land use in the subdivision and otherwise protect the proposed development.
F. 
Proposed zoning. The subdivider shall include with the preliminary plat the proposed zoning of a subdivision if such zoning is different from existing zoning. All property shall be zoned in the Zoning District that first permits the use proposed by the developer.
Within 45 days after receipt of a preliminary plat that complies with the provisions of these regulations by the Chairman of the Planning Board, the Planning Board shall hold a public hearing, which hearing shall be advertised at least once in a newspaper of general circulation in the Town at least five days before such hearing.
Within 45 days after the date of the public hearing, the Planning Board shall take action to conditionally approve, with or without modifications, or disapprove such preliminary plat, and the ground for any modification required and the ground for disapproval shall be stated upon the records of the Planning Board. Failure of the Planning Board to act within such forty-five-day period shall constitute a conditional approval of the preliminary plat.
The approved preliminary plat and any development forms required therewith shall be signed by the Planning Board when proper. The action of the Board relating to approval, conditional approval or rejection of the preliminary plat shall be so noted, in writing, on three copies of said plat, to which shall be attached reference statements of any conditions and requirements determined by the Board in accordance with these regulations. One copy shall be returned to the subdivider; one copy shall be filed with the Town Clerk.
After the preliminary plat is approved, the applicant shall petition the Town Board for final action on any of the following:
A. 
Rezoning in keeping with the approved plat.
B. 
Creation of a sanitary sewer district or extension.
C. 
Creation of a storm sewer maintenance district.
D. 
Creation of a water district or extension.