[Amended 11-21-1972] The preliminary layout and the supporting documents for a proposed subdivision constitute the material to be officially submitted to the Town Planning Board. They shall show the general design of the subdivision and its public improvements so that the Planning Board can indicate its approval or disapproval of the subdivision prior to the time that the final plat, including the design and detailing of the public improvements and utilities, is completed. After the statutory public hearing and approval by the Planning Board, this complete submission becomes the basis for the preparation of the final plat. Approval of the preliminary layout does not constitute an approval of the final plat, nor should it be considered a valid basis for the construction of site improvements or for other commitments which depend upon its design characteristics.

A. The submission of a preliminary layout shall consist of the following items:

(1) An application for the subdivision of land, F-601, one copy [Amended 12-20-1966]

(2) An acknowledgment of requirements: preliminary layout, Form 602, one copy. [Amended 12-20-1966]

(3) The preliminary layout, nine paper prints.

B. The subdivider shall file his complete submission for the preliminary layout and his filing fee at the Planning Board office. A proposed submission which does not include all the required drawings and documents will not be accepted for filing. A submission shall be filed 15 days prior to a meeting date, to be heard at that particular meeting.

C. The Planning Board will distribute copies of the submission, as necessary, to the Town offices concerned.

D. The Planning Board staff shall prepare a report of findings for Planning Board consideration and action after receiving the recommendations of the Superintendent of Highways and the Town Engineer.

E. The Planning Board staff will determine if the General Regrading and Excavation Ordinance shall apply to the subdivision or whether the owner shall file a certification that he does not propose to do any general regrading or excavation as defined in that ordinance.

F. The Planning Board shall take formal action either approving or disapproving the preliminary layout submission, and a copy of such action will be forwarded to the subdivider or his representative who appeared for him, the Superintendent of Highways and the Town Engineer. [Amended 11-21-1972]

[Amended 11-21-1972; 11-24-1981; 8-23-1983; 9-10-1985; 1-10-1989; 7-9-1991; 2-22-1999] The filing fee shall be $400, plus $175 for each lot as shown on the preliminary map of a residential subdivision and $500 per acre for industrial zoned lands. For lands in the R-6 Zone classification, the filing fee shall be $400, plus $175 for each unit as shown on the preliminary map.

[Amended 9-10-1985; 1-10-1989; 7-9-1991; 2-22-1999] Planning Board approval of a preliminary layout submission shall expire six months after the date of such formal action. No Planning Board action will be taken after such expiration until a new application and filing fee are submitted. If a request for an extension of preliminary approval is submitted before the six-month period, a fee of $175 shall be submitted. A waiver for a reasonable period of time may be given in cases of hardship, upon petition to the Planning Board.

A. The preliminary layout shall be prepared by a licensed professional engineer or land surveyor and shall provide the information noted in this section, except that all drainage design shall be prepared by a licensed engineer.

B. Drawing.

(1) The drawing sheet size shall be either:

(a) Eighteen inches by 20 inches;

(b) Thirty-six inches by 20 inches; or

(c) Thirty-six inches by 40 inches.

(2) If more than one sheet is required, a clearly drawn outline shall be shown on both sheets and on the key map.

C. Title block. This shall indicate:

(1) The name of the subdivision.

(2) The post office address of the subdivision.

(3) The school district and fire district.

(4) The name and address of the subdivider.

(5) The name, address, license number and seal of the professional engineer or land surveyor who prepared the drawings.

(6) The total acreage for the entire tract, for each building zone district within the tract and for each section.

(7) The total number of proposed lots for the entire tract and for each section.

D. Other notations. Other notations are as follows:

(1) The date of original submission and of each subsequent revised submission.

(2) A graphic scale of loo feet equal one inch.

(3) A true or magnetic North point and the date taken.

(4) Certification by the licensed professional engineer or land surveyor that the topography shown resulted from an actual survey, and the date of that survey.

(5) Offers of dedication, statements establishing easements and similar statements should follow the standard forms.

E. Key map. The key map shall have the following features:

(1) Scale: one inch equals 600 feet.

(2) Information:

(a) The relationship to the primary and secondary highway system and main intersections.

(b) Boundary lines: building zone districts, special districts and municipal areas.

(c) Subdivision streets, blocks and recharge basins, in scale.

(d) Cutlines, as needed, when there are two or more drawings to show the complete subdivision.

F. Subdivision boundary line and survey data (heavy solid line) shall be required.

G. The boundaries of adjacent properties and the property owners' names. Adjacent properties which are a part of a recorded subdivision plat may be identified by the subdivision name.

H. Other boundary lines. Other boundary lines shall be as follows:

(1) Building zone districts.

(2) Special districts.

(3) Municipal areas.

(4) School districts.

I. Topographic contours at two-foot intervals in the United States Coastal Geodetic Survey datum of mean sea level.

(1) Smaller or larger intervals when advisable due to the terrain shall be used after approval by the Planning Board.

(2) Contours shall extend 200 feet beyond the subdivision boundary line.

J. Existing site conditions. The following information shall be shown:

(1) For street rights-of-way on the subdivision and within 200 feet of its boundaries:

(a) The name.

(b) The location and width.

(c) The center-line elevations at intersections and other critical points.

(d) A typical cross section.

(2) For other rights-of-way and easements on the subdivision and within 200 feet of its boundaries:

(a) The identification.

(b) The location and width.

(c) Restrictions of use, if any.

(3) For drainage structures on the subdivision and within 20o feet of its boundaries:

(a) The type of structure.

(b) The location, invert elevations, gradients and sizes of all pipe and of all other structures where applicable.

(4) For waterlines, including fire hydrants, within 20o feet of its boundaries: [Amended 11-21-1972]

(a) The location and size or capacity.

(5) For marshes, ponds, streams or similar conditions on the subdivision and within 200 feet of its boundaries:

(a) The location and area covered, indicating apparent high-water level.

(b) The waterline on the date of survey and the survey date.

(c) The maximum depth of water at critical points.

(6) For test hole data:

(a) The date, location and graphic representation of findings for all test holes, including the groundwater level.

(b) Locations shall include critical conditions and areas where drainage structures requiring seepage are to be constructed.

(7) The Town or other public lands, lands designated as parks, open spaces or for some other public use.

(8) The buildings and other structures located on the subdivision and within 200 feet of its boundaries.

K. For proposed site conditions (see Article VIII, Design Standards):

(1) Streets (see Article XIII). The following information shall be provided:

(a) The name (to be checked prior to submission at the Planning Board office).

(b) The right-of-way width.

(c) The tentative center-line elevations at intersections and at principal changes in gradient.

(d) The tentative center-line gradient shown in percent of slope.

(2) Lot layout. The following information shall be provided:

(a) The lot lines and dimensions to the nearest foot.

(b) The building setback line (dashed) and dimension.

(c) Easements and restricted areas with a notation as to purpose of restriction.

(d) The identification of lots or parcels for special uses, whether they are to be offered for dedication or not.

(e) The layout for all reserved parcels in conformance with existing zoning regulations, shown in a broken line.

(3) The preliminary stormwater drainage system plan (see Article XIV):

(a) The drainage structures and the required capacity for each storage structure shall be shown on the preliminary layout.

(b) The watershed outlines and their approximate area in acres, including those which extend beyond the boundaries of the subdivision, shall be shown with red pencil on only two copies of the preliminary layout.

(4) Stormwater pollution prevention plan (SWPPP). A stormwater pollution prevention plan consistent with Chapter 153 of the Code of the Town of Smithtown shall be submitted as part of the preliminary layout. The SWPPP shall meet the performance and design criteria and standards in Chapter 153. [Added 5-17-2012]