Whenever any subdivision is proposed to be made and before any contract for the sale of or any offer to sell such subdivision or any part thereof is made and before any permit for the erection of a structure in such proposed subdivision shall be granted, the applicant shall apply, in writing, to the Planning Board for approval of a preliminary plat, construction drawings and the subdivision plat and shall receive such approvals from the Planning Board.
A. 
The application for approval of the preliminary plat shall be accompanied by ten (10) copies of such plat, which shall conform to the provisions of this Article and Article V hereof. Approval of the preliminary plat and of the construction drawings by the Planning Board is required prior to submission of the subdivision plat, but such approvals shall not constitute acceptance of the subdivision plat nor prevent the Planning Board from requiring that changes, modifications or a complete revision be incorporated in such plat.
B. 
The preliminary plat shall be drawn at a scale of not more than eighty (80) feet to the inch and shall contain the following:
(1) 
The bearings and distances of property lines, buildings, watercourses and other important topographical features.
(2) 
The locations, names and widths of existing and proposed streets, easements and lots and similar facts regarding all surrounding property to and including the nearest streets in actual use and streets intersecting such streets.
(3) 
The names of all subdivisions and the names of owners of acreage immediately adjacent or opposite.
(4) 
The location and size of any existing and proposed sewers, water mains, culverts and drainpipes on the property to be subdivided and the connections of any such proposed utilities to existing utility systems.
(5) 
Contours, showing elevations based on Mamaroneck datum, at intervals of not more than five (5) feet.
(6) 
The proposed arrangement and the approximate area, width and length of street frontage of each lot for the purpose of demonstrating to the Planning Board that the proposed location of streets makes possible a layout of lots in accordance with the requirements of the Zoning Ordinance for the districts in which the subdivision is located.[1]
[1]
Editor's Note: See Ch. 342, Zoning.
(7) 
All parcels of land proposed to be dedicated to public use.
(8) 
The use district or districts in which the land to be subdivided is located according to the Zoning Ordinance.[2]
[2]
Editor's Note: See Ch. 342, Zoning.
(9) 
The date, North point and scale.
(10) 
The title under which the proposed subdivision is to be recorded, with the name of the owner.
(11) 
Stormwater pollution prevention plan. A stormwater pollution prevention plan (SWPPP) consistent with the requirements of Chapter 294, entitled "Stormwater Management and Erosion and Sediment Control," of the Mamaroneck Village Code, shall be required for preliminary subdivision plat approval. The SWPPP shall meet the performance and design criteria and standards provided for in Chapter 294. The approved preliminary subdivision plat shall be consistent with the provisions of Chapter 294.
[Added 6-14-2010 by L.L. No. 16-2010, effective 7-1-2010]
C. 
Coincidentally with submitting the preliminary plat for approval, the applicant shall furnish a signed statement to the Planning Board containing the following information:
(1) 
Proof of ownership of the land to be subdivided, in form approved by the Village Attorney.
(2) 
The nature and extent of proposed street improvements.
(3) 
The nature and extent of any recreational features, parks, playgrounds, water supply, sewerage and drainage rights-of-way and easements, retention basins and other land to be dedicated to public use and the conditions under which dedication of these features is to be made to the village.
(4) 
A statement that he will install all improvements and set all monuments shown on the subdivision plat in accordance with the standards prescribed by the department of the village having jurisdiction.
D. 
It is recommended that the applicant attend the meeting of the Planning Board at which the preliminary plat is to be discussed.
A. 
When notified of approval of the preliminary plat as submitted or of conditional approval in accordance with conditions specified by the Planning Board, the applicant shall file with the Planning Board three (3) copies of the construction drawings, approved and signed by the Village Engineer, and conforming to the provisions of this Article and Article V hereof. The approval by the Planning Board of the construction drawings shall not constitute acceptance of the final plat nor prevent the Planning Board from requiring that changes, modifications or a complete revision be incorporated in such plat. Construction drawings must be prepared by and carry the signature and seal of a professional engineer registered in the State of New York.
B. 
The construction drawings shall be drawn at a scale of not more than forty (40) feet to the inch, with profiles at a scale of not more than four (4) feet to the inch vertical and forty (40) feet to the inch horizontal; shall show the proposed location, in plan and profile, of all details of construction of the proposed subdivision; and shall contain the following:
(1) 
The stationing of the center lines of streets and adequate reference of the center lines to monuments and other established points.
(2) 
The locations and widths of all streets, pavements, curbs, sidewalks or sidewalk areas, easements, parks and other open spaces; the proposed names of all streets; and the radii of all curves in street lines.
(3) 
The location and species of street trees if installation of street trees is required by the Planning Board.
(4) 
The location and design of streetlighting standards.
(5) 
The proposed water supply system, including the location of fire hydrants.
(6) 
The proposed sanitary drainage system.
(7) 
The proposed stormwater drainage system, with locations of catch basins and method of disposal of the collected stormwater.
(8) 
Any other proposed underground utilities.
(9) 
A typical cross section of the roadway for the full right-of-way width, showing character, width and depth of pavement and subbase location of utilities, character and dimensions of sidewalk, if required, and curb, and side slope grading.
(10) 
Cross sections of intersections and other special sections showing details of surface construction.
(11) 
Design of any bridges, culverts, retaining walls and other special features.
(12) 
Proposed lot lines (approximate dimensions).
(13) 
The title under which the proposed subdivision is to be recorded, with the name of the owner.
(14) 
The date, North point and scales.
(15) 
Profiles showing original ground surface and finished street surface at center lines of all streets, percentage of grades of proposed streets, stationing and elevations of all P.C.'s, P.I.'s and P.T.'s and of proposed sewers, drains, culverts, manholes and other features, also showing invert elevations of manholes; stationing showing accurate center line distances; elevations of the original ground surface showing the nearest tenth of a foot and of fixed points to the nearest hundredth of a foot; all elevations referred to the Village of Mamaroneck datum.
(16) 
Contours of the entire plot, showing elevations, based on the Mamaroneck datum, at intervals of not more than five (5) feet.
(17) 
In addition to the foregoing, for projects within the Beaver Swamp Brook - Brentwood Brook Watershed, as designated on the Village Map, the proposed sediment and erosion control plan for the entire site, including specific sequencing of each erosion control measure. Such plan shall be prepared by a New York State licensed professional engineer and shall show the proposed use of the site and the methods, techniques and improvements, both during and after construction, that will be employed to control sedimentation and erosion.
[Added 9-25-1986, approved 10-9-1986]
(18) 
In addition to the foregoing, for the Beaver Swamp Brook - Brentwood Brook Watershed, as designated on the Village Map, the stormwater management plan for the site, which shall be a drawing, prepared by a New York State licensed professional engineer, showing the methods, techniques and improvements, both during and after construction, that will be employed to control surface water runoff, and shall contain all surface water control calculations. All calculations shall use the Type III storm distribution and shall follow the methods prescribed in the United States Department of Agriculture Soil Conservation Service Technical Release No. 55 for the two-, ten-, twenty-five-, fifty- and one-hundred-year storm events.
[Added 9-25-1986, approved 10-9-1986]
A. 
When notified of approval of the construction drawings as submitted or of conditional approval in accordance with conditions specified by the Planning Board, the applicant shall submit the subdivision plat with application, in writing, for final approval by the Planning Board. Eight (8) copies of the subdivision plat shall be filed with the Village Engineer. The subdivision plat shall be on sheets twenty-four by thirty-six (24 x 36) inches overall, and there shall be a margin of one (1) inch outside the ruled border lines on three (3) sides and a two-inch border along the left side of the twenty-four-inch end for binding.
B. 
The subdivision plat shall be drawn at a scale of not more than eighty (80) feet to the inch and shall contain the following:
(1) 
The bearing and length of all straight lines and the radii, length, and central angles of all curves along all property and street lines.
(2) 
The area of each lot, in square feet.
(3) 
The connection by proper measurement between street center lines of streets that are not continuous straight across an intersection street, both within the subdivision and where opposite existing streets.
(4) 
A system of monuments, with at least two (2) monuments in each block, not less than three hundred (300) feet apart.
(5) 
The names of all subdivisions immediately adjacent and opposite or, if not subdivided, the names of the owners of record of adjacent and opposite property, together with map numbers as recorded in the County Clerk's office and Westchester County block index numbers.
(6) 
The title, showing name of subdivision, owner, scale, date and North point.
(7) 
The boundaries of the properties, the lines of proposed lots, streets, parks, easements and drainage and other rights-of-way, if any, the lines of all adjoining streets, their names and exact survey location. Lot numbers, obtained from the Village Assessor, shall be shown on each lot.
(8) 
A certificate of the licensed engineer or land surveyor making such plan to the effect that the plan is made from an actual survey.
(9) 
A statement that the plan is in compliance with the Zoning Ordinance.[1]
[1]
Editor's Note: See Ch. 342, Zoning.
(10) 
A certificate signed by the proper authority that the subdivision has the approval of the New York State Department of Health.
(11) 
Stormwater pollution prevention plan. A stormwater pollution prevention plan consistent with the requirements of Chapter 294, entitled "Stormwater Management and Erosion and Sediment Control," of the Mamaroneck Village Code, and with the terms of preliminary plan approval, shall be required for final subdivision plat approval. The SWPPP shall meet the performance and design criteria and standards in Chapter 294. The approved final subdivision plat shall be consistent with the provisions of this Chapter 294.
[Added 6-14-2010 by L.L. No. 16-2010, effective 7-1-2010][2]
[2]
Editor's Note: This local law also renumbered former Subsection B(11) as Subsection B(12).
(12) 
A statement reading as follows:
Approved under authority of a resolution adopted
_______________ by the Planning Board of the Village of Mamaroneck.
Chairman _________________
Secretary ________________ Date _______
C. 
The subdivision plat shall be accompanied by the following, all in form satisfactory to the Village Attorney:
(1) 
A written offer of dedication to the village of all streets shown to be improved.
(2) 
A written offer of easements as required across lots or parcels of land not covered by the above offer of dedication, giving the village the right to install, construct, reconstruct and maintain therein all drains, sewers, water mains and other village services.
D. 
After written notification of approval of the subdivision plat, the applicant shall immediately file with the Village Engineer the following copies of the subdivision plat incorporating all changes required by the Planning Board; one (1) in ink on tracing cloth; one (1) lithoprint on tracing cloth; one (1) paper blueprint; and two (2) cloth blueprints. The applicant shall submit to the Village Engineer, within the time limit prescribed in such approval, all deeds of dedication covering all streets, highways and other public areas shown on the subdivision plat, waiving any claim for damages occasioned by the establishment of grades as finally approved or the alteration of the surface of any portion of the streets dedicated to conform to the grade so established; also deeds of easements to the village covering such rights-of-way, storm drains, sewers, water mains and other village services as may be required by the Planning Board, together with all bonds, deposits, insurance policies and other documents required by the resolutions of the Planning Board granting such approval. Also, the applicant shall file with the Village Engineer one (1) copy of the approved construction drawings in ink on tracing cloth and three (3) paper blueprints.
E. 
Upon compliance by the applicant with the requirements of Subsection D hereof, the Chairman and Secretary of the Planning Board are authorized to sign the statement on the plat plan required under Subsection B(11). The subdivision plat is now ready for filing in the Division of Land Records, Westchester County, New York. Section 7-728 of the Village Law requires the plan to be filed within ninety (90) days of the date of the resolution of the Planning Board approving the plan. The law allows the Planning Board to extend this time for two (2) periods of ninety (90) days each. The subdivision plan must be filed for the approval of the Planning Board to become effective.
[Amended 3-26-1987]