The plat shall be clearly and legibly drawn. The scale shall be 1 inch equals 50 feet, provided, however, that the entire tract and information as required below can be shown on a single sheet 24" x 36". For exceptionally large tracts a scale of 1 inch equals 100 feet may be used. On the small scale plat, details which require greater definition shall be shown as inserts on the sheet or shall be shown on a second sheet with orienting or reference means provided.
The minor subdivision plat shall include the information listed in subsection 16-8.1 a through f and shall also include the following information:
a. The N-S bearing and lot length in feet of each line (course) required to plot each lot within the subdivision.
b. Lot areas shall be to the nearest one hundredth of an acre for lots in the R-1, R-2, R-3 and R-5 zone districts, and in square feet for small lots in the R, CR-1, CR-2 and B zone districts.
The plan shall be clearly and legibly drawn. The scale shall be 1 inch equals 50 feet, provided, however, that the entire tract and information as required below can be shown on a single sheet 24" x 36". For exceptionally large tracts a scale of 1 inch equals 100 feet may be used. On the small scale plat, details which require greater definition shall be shown as inserts on the single sheet or shall be shown on a second sheet with orienting or reference means provided.
The plan shall include the information required by subsection 16-8.1 a through f.
The preliminary plat or plan shall be clearly and legibly drawn. The scale shall be 1 inch equals 50 feet, provided, however, that the entire tract can be shown on a single sheet 24" x 36" or on joining sheets of that size which can be readily oriented. For exceptionally large tracts a scale of 1 inch equals 100 feet may be used. On the small scale plat or plan, details which require greater definition shall be shown as inserts on the single sheet or shall be shown on additional sheets with orienting or reference means provided.
The plat or plan shall include the information required by subsection 16-8.1 a through f and shall also include the following information:
a. The area of each lot in the R-1, R-2, R-3 and R-5 zone districts shall be to the nearest one-tenth of an acre, or in square feet for lots in the R, CR-1, CR-2 and B zone districts when lots are of small area.
b. Contours shall show the general slope and natural drainage of the tract and areas within two hundred (200) feet of the tract, where appropriate. Contour interval shall be two (2) feet, except that the contour interval shall be five (5) feet for slopes averaging fifteen percent (1 5%) or greater.
c. Street center line profiles, street cross sections and street plans shall be shown. Elevation data shall be referenced to sea level.
d. Data relating to environmental considerations as follows:
1. A topographic map showing the following ranges of slope:
0.to 15 percent
15.to 25 percent
25.percent and over.
2. All flood hazard areas, wetlands, wooded areas and areas of recharge soils.
3. Rock outcrops and approximate depths to bedrock.
4. The seasonal high water table in ranges of depth based on field measurement as follows:
6' and greater.
5. Types and species of vegetation.
e. Surface and storm water drainage calculations and data and information relating to storm water management as follows:
1. The size and the limits of watershed(s) and the location of the site within the watershed(s).
2. Location, description and quantification of significant natural and man-made features on and surrounding the site, including topography, all impervious surfaces, soil and drainage characteristics, with particular attention to the location and description of presently existing surface water runoff control devices, mechanisms or areas, flood hazard areas, wetlands, swales, woods and vegetation, recharge soils and other features relating to storm water management control.
3. The location and size of the nearest culvert or bridge downstream of discharge from the site.
4. Location, description and quantification of proposed changes to the site whether of a permanent or temporary nature with particular attention to impervious surfaces and interception of presently dispersed flow which may impact upon the capacity of the soil, vegetation cover and drainageways to absorb, retard, contain or control storm water runoff.
5. Computation of the total surface water runoff before, during and after any land disturbance and/or construction of impervious surfaces. Computations shall be made in accordance with the Soil Conservation Service Method or the Rational Method depending upon which is more appropriate in the particular instance. Computations shall cover the 25-year storm frequency, except that the computations shall cover the 100-year storm frequency whenever required by Chapter XVIII, Flood Hazard Area Regulations.
6. Proposed measures for storm water management using best management practices (BMPs).
7. A schedule of the sequence of implementation of the storm water management plan, related to the starting and completion dates of the project and the seasons of the year.
8. Proposed maintenance schedule for all storm water management structures, stipulating current maintenance, continued maintenance and responsibility therefor.
f. Site Grading Plan. The applicant shall file a site grading plan with the preliminary plat or preliminary site plan. Such grading plan shall have the following details and shall meet the standards of this subsection:
1. The site grading plan shall show the existing contours, proposed finished grade elevations at street intersections and breaks in grade, proposed rates of grades of streets, locations of drainage sub-basin limits, proposed method of block drainage including proposed (down) slope arrows, all drainage systems and structures including sizes and invert and inlet elevations. The plan shall be accompanied by a set of drainage computations certified by a licensed professional engineer of the State of New Jersey.
2. The drainage of all lots shall be designed to provide adequate disposition of surface water run-off in accordance with accepted engineering principles and the standards set forth in subsection 16-10.9. There shall be a minimum two percent (2%) slope away from all buildings to be erected upon such lots. Where drainage swales are used to divert surface waters away from buildings, they shall be sodded or planted or otherwise controlled as required by the planning board. The slope, shape and capacity of such drainage swales shall conform to good engineering practice and principles.
3. Concentration of surface water run-off shall only be permitted in swales, basins, ditches or watercourses, and unless otherwise approved by the planning board, there shall be no ponding upon the lands being developed nor upon adjoining lands.
g. Environmental Impact Study. A study according to the requirements of Chapter XVII, Environmental Impact Study, shall be conducted and the documentation resulting from such study shall be filed with the preliminary plat or site plan at the time application for preliminary plat or site plan approval is made.
1. The applicant shall file a soil erosion and sediment control plan with the preliminary plat or site plan. The soil erosion and sedimentation control plan shall be prepared according to the requirements of Chapter XIX, Soil Erosion, Sediment Control and Flood Prevention. The plan shall consist of a map of the proposed development together with other lands affecting the drainage or affected by the drainage from such proposed development, which map shall be superimposed on the Mendham Township Soil Map and which shall show the soil boundaries. There shall be submitted with the soil erosion and sedimentation control plan a written report which fully and adequately sets forth the measures which the applicant proposes to take to effectively minimize soil erosion and sedimentation within the lands to be developed as well as any other lands affected by the drainage from such development.
(The Mendham Township Soil Map is contained within the Master Plan Revision 1978, adopted January 1979, and is contained in Soil Survey of Morris County, New Jersey (issued August 1976) on map sheets 26, 27, 32, 33 and 36: This map is prepared by the United States Department of Agriculture Soil Conservation Service.)
2. The planning board shall require where appropriate, detention or retention basins pursuant to the requirements of Chapter XIX to retain storm waters.
3. Top soil shall not be removed from the tract nor shall it be used for spoil unless such removal or spoil is specifically, by volume, approved by the planning board. Subsoils and topsoils shall not be used for spoil in wooded areas.
4. The plan shall state the volumes of soil disturbance in cubic yards, for top soil and for subsoil, and shall show the areas in which soils are to be stored. The plan shall state in cubic yards the volume of subsoil to be removed from the tract and the manner in which state, county, or municipal roads shall be protected during soil removal.
5. The plan shall state the sequence of events during the construction period.
i. Utilities.
1. For all major subdivisions or site plans the applicant shall arrange with the serving utility for the underground installation of the utility distribution supply lines, appurtenant equipment and service connections in accordance with the provisions of the applicable Standard Terms and Conditions Incorporated as part of its Tariff as the same are then on file with the State of New Jersey Board of Public Utility Commissioners and shall submit to the planning board prior to the granting or preliminary approval a written instrument from each serving utility which shall evidence full compliance with the provisions of this paragraph; provided, however, that lots of such subdivisions which abut existing streets where overhead electric or telephone distribution supply lines have theretofore been installed on any portion of the streets involved may be supplied with electric and telephone service from such overhead lines or extensions thereof but the service connections from the utilities overhead lines shall be installed underground. The location of access facilities for servicing the utility in the proposed development shall be developed in conjunction with and as part of the complete subdivision plat or site plan.
2. Wherever the utility is not installed in the public right-of-way, an appropriate utility easement not less than twenty (20) feet in width shall be provided.
3. Any proposed facilities for a subdivision or development such as public or common water or sewer lines, collecting stations, storage tanks, pumping stations, treatment plants, detention or retention basins, access drives for maintenance purposes, may be shown in block form on plat or site plan to promote simplicity and understanding of concept, provided, however, that the application for the development shall not be granted approval until completely detailed design plans of the foregoing have been submitted, which plans shall include contours and profiles of connecting lines, swales, drives, etc. for such facilities.
4. All utility structures servicing underground utility distribution systems (i.e. transformers, junction boxes, meters) shall be installed underground. Appurtenances of such installations and above ground fixtures of underground water storage facilities shall be shielded from view by suitable plant material landscaping, pursuant to a plan approved by the Planning Board.
j. Refer to subsection 16-8.1 a through f for additional details for the preliminary plat of a major subdivision or preliminary site plan.
k. Engineering Details for Improvements. The details for improvements shall be in accordance with "Standard Construction Details, Township of Mendham" which are incorporated in and made a part of this ordinance, and the requirements of Chapter XIX, Soil Erosion, Sediment Control and Flood Prevention, shall be applicable.
l. Fire Protection Systems - Proposed location and details of fire protection systems pursuant to Section 16-10.2.w.
The final plat or plan shall be drawn in black waterproof ink on tracing cloth and on tracing mylar at a scale not smaller than 1 inch equals 100 feet for exceptionally large tracts, and not larger than 1 inch equals 50 feet, provided, however, that small lot areas demanding larger scales for clarity may be shown in larger scale. A scale of 1 inch equals 50 feet is the preferred scale. The plat or plan shall comply with all provisions of Chapter 141, Laws of New Jersey 1960, R.S. 46:23-9.1 and following.
The final plat or final site plan shall include the information required by subsection 16-8.1 as applicable and appropriate and shall also include the following:
a. Certifications with appropriate places for names (printed), signatures and dates
1. of approval by the township engineer regarding the conformity of the plat with the provisions of the map filing law and applicable municipal ordinances;
2. by the authorized preparer as to the accuracy of the subdivision plat and plat details, or as to the accuracy of the site plan, and the conformity of the plat with the map filing law;
3. by the township clerk regarding bonding or for guarantee for required improvements;
4. by the applicant that he is the owner of the tract being developed;
5. of approval, when required, by any officer, body, agency, municipality, county or state;
6. by the township clerk that a guarantee has been furnished to the township for the installation of all monuments, or that all monuments have been set to the satisfaction of the township engineer;
7. in the event of approval of a revised final plat, after the original plat has been filed with the county clerk, by owners of lots affected by the revision(s), stating consent;
8. by the township clerk setting forth the date by which the plat may be filed with the county clerk; and
9. of approval by the planning board chairman and the planning board secretary.
b. Tract boundary lines and lot boundary lines, street right-of-way lines, and required setback lines, watercourses, existing streets and street names, bridges and/or culverts, flood hazard areas, sight easements, drainage easements, easements and other rights-of-way, land to be reserved for or dedicated to public use, with accurate dimensions, bearings or deflection angles, radii, arcs, and central angles of all curves shall be shown.
c. The location and description of all monuments shall be shown.
d. The purpose of any easement or right-of-way or land reserved or dedicated to public use shall be noted. The proposed use of sites for purposes other than residential use shall be noted.
e. Any special notes shall be provided regarding conditions of approval not contrary to the map filing law, including those notes required for subdivision pursuant to subsection 16-10.4, Backlands Provisions, Private Street Development, where applicable.
f. Final construction plans shall accompany the final plat and shall include cross sections and profiles of streets, and plans and profiles of water and other utility mains, and storm drains.
g. Refer to subsection 16-8.1 a., c., and f. for additional details for the final subdivision plat or the final site plan.
In addition to the details required by subsections 16-8.1, 16-8.3, 16-8.4 and 16-8.5, for the preparation of site plans, the plans shall include information as listed below and drawings in large scale to adequately describe the proposed development:
a. Existing facilities on site:
1. Location of uses and outlines of structures, drawn to scale, on the subject property as well as all adjacent properties.
2. Paved area, sidewalks and vehicular access between the site and public streets.
3. Locations, dimensions, grades and flow direction of existing sewers, culverts, water lines as well as other underground and above ground utilities within and adjacent to the property.
4. Existing development including fences, landscaping and screening.
5. Location and design of outdoor lights and lighted areas.
b. Proposed facilities on site:
1. Location of proposed buildings or improvements or structures or additions thereto.
2. Location and design of all uses not involving structures, such as off-street parking and loading areas.
3. Location and plans for outdoor signs.
4. Location, direction, type, power and time of use for proposed outdoor lighting.
5. Location and arrangement of proposed means of access, including sidewalks, driveways or other paved areas. Profiles indicating grading and cross-sections and width of sidewalks.
6. Proposed grading, walls, fencing, guard rails, screening and landscaping.
7. Locations of proposed waterlines, valves and of all sewer lines or alternate means of water supply and sewage disposal and treatment, and including plans for such facilities and their components.
8. Preliminary but essentially firm building and floor plans and building elevations.
9. Contemplated public improvements on the property, and the complete plans for such improvements.
10. Location, type and size of existing and proposed catch basins, storm drainage and retention facilities, and all utilities both above and below ground and any erosion and siltation control facilities, and including the plans for such facilities.
Prior to the grant of final major subdivision or final major site plan approval the developer shall have installed or furnished performance guarantees as set forth in subsection 16-7.4 for the installation of all of the following improvements in accordance with the conditions of preliminary approval:
a. Streets, including the removal of any portion of a previously constructed cul-de-sac and the reconstruction of existing street area and curb to regular width.
b. Curbs and shoulders.
c. Sidewalks and/or walkways.
d. Street signs.
e. Street lighting.
f. Shade trees and/or screens.
g. Guard rails.
h. Surface and storm water drainage facilities.
i. Underground utilities, including water lines, gas lines, telephone lines, power transmission lines, with individual lot utility connections to a minimum of 10 feet beyond the curb line.
j. Monuments.
k. Any other improvement required under the terms of preliminary approval.
l. Fire Protection Systems.
