Appendix 501. SPECIFICATIONS FOR AND CONTENT OF THE FINAL PLAT
The developer or his representative shall submit to the Hamilton County GIS Department, copies of the Final Plat, drawn to a minimum scale one inch equals one hundred feet (1" - 100'). (See Section 202.1) Sheet size and stamp block shall conform to the specifications shown on Appendix A-S. The GIS Department requests that the surveyor draw the appropriate signature block on the final plats.
The Final Plat shall be drafted so that good, clear, legible prints, copies, or negatives can be made. The Hamilton County GIS Department may refuse to accept any plat that it deems illegible or likely to generate inadequate reproductions or which fails to contain all required elements
The Final Plat shall include the following information:
501.1
Proposed name of the subdivision, which shall not duplicate or closely approximate, phonetically or in spelling, the name of any other subdivision in Hamilton County, or any PUD in Hamilton County. The most recent recorded deed book number and page number for each deed constituting part of the property being platted. Plat labeled "Final Plat."
501.2
The full name(s), mailing address(es) with zip code(s) and telephone number(s) of the owner(s) of all property owners involve.
501.3
The name, full mailing address, zip code, and seal (to include license number) of the Registered Land Surveyor preparing the plat. Where drainage structures with stormwater flows in excess of the capacity of a 42" diameter concrete pipe or equivalent, as determined by section 307.4.1, are to be placed, these facilities shall be designed and the plat stamped by a registered engineer licensed to practice in the State of Tennessee. In no instance will a plat be accepted that does not contain the seal of a Registered Land Surveyor licensed to practice in the State of Tennessee.
501.4
The date of plat preparation and revisions, north point, and scale—both written and graphic.
501.5
A vicinity map showing the following features, if applicable, within an area large enough to locate the subdivision:
501.5.1
Outline of proposed subdivision and north point (oriented consistent with the north point of the plat, preferably pointing to the top of the plat).
501.5.2
Location and name of all principal roads, streets, railroads, water courses, etc.
501.5.3
State, county, or municipal boundaries, shown and labeled.
501.5.4
Name and/or show an easily identifiable landmark (store, road intersection, creek, etc.) and show the number of miles (to nearest tenth) from the landmark to the site.
501.6
The boundary lines of the subdivision shall be determined by an accurate survey in the field, to include a closed traverse. The boundary survey shall close with an error of closure to exceed 1:5000.
501.6.1
Show parcel number, including map sheet number and group identifier for all parcels which are being subdivided. This is generally referred to as the "Tax Map Number.
501.6.2
The location of control monuments on the boundary line of the proposed subdivision showing the horizontal position in Tennessee State Plane coordinates.
501.7
Lots drawn and numbered in a logical numerical order. Every parcel of land within the subdivision shall have a lot number. Subdivisions developed in phases or units are to continue numbering the lots and not start with lot number 1 for each new unit. The use of lot numbers by block in which lot numbers are repeated in each block is prohibited.
501.7.1
Sufficient data to readily determine and reproduce on the ground the location, bearing, and length of every lot line and boundary line, whether curved or straight. This shall include the radius, central angle (delta), length of curve, and tangent distance for the curved property lines. The point of curvature and the point of tangency of all curves on all right-of-way lines shall be located by distance to the nearest lot corner. Chord bearings and dimensions may be used for irregular lines, such as creeks, shore lines, etc.
501.7.2
Minimum building setback lines, other than those required by the local zoning ordinances, shall be shown and labeled on the lot(s). Setbacks may be changed if approved in writing by the Health Department.
501.7.3
Show location of any boundary monument benchmark for major subdivisions.
501.8
The property lines of all adjoining property shall be shown with dashed lines. For adjoining subdivisions, shown the full name of the subdivision, ROHC book and page numbers, and the lot numbers (dashed). For other adjoining property, shown the owner' a name and deed book and page number.
501.9
Show the location, widths; and names of all existing, proposed, or recorded streets, public rights-of-way, or access easements, etc., intersecting or paralleling the subdivision, in and adjacent to the subdivision.
501.9.1
Proposed street names shall not duplicate or closely approximate phonetically or in spelling, the name of any other street in Hamilton County. The change of a street name prefix (East, North) or suffix (Road, Lane, Circle) shall not be construed as a different street name.
501.9.2
Sufficient data to readily determine and reproduce on the ground the location, bearing, and length of every street line, whether curved or straight. This shall include the radius, central angle, (delta), length of curve, and tangent distance for the center line of curved streets and curved property lines. The point of curvature and the point of tangency of all curves on all right-of-way lines shall be located by distance to the nearest lot corner.
501.9.3
Show a measured distance to a recognizable point such as a street intersection, landmark, survey monument, global positioning system reference, etc.
501.10
Drainage
501.10.1
Show the size, location, and outline of all existing and proposed drainage easements in and within two hundred (200) feet of the boundaries of the subdivision.
501.10.2
Show size, location, number of acres drained, and direction of water flow in tiles (pipes) in the subdivision. (See section 307.4.1 for determination of pipe size.)
501.10.3
Show location and label any other proposed drainage improvements such as catch basins, headwalls, rock and mortar or concrete drainage ditches, etc.
501.10.4
Show the location and label any proposed off-site drainage improvements which are made necessary by the construction of the proposed subdivision.
501.11
Utilities
501.11.1
Show the location of all proposed fire hydrants to be installed by the developer in the subdivision.
501.11.2
For all existing and proposed electrical, telephone, water, gas, and other utility easements, show size, location, name of major easements, and out-line of easements in and within two hundred (200) feet of the boundaries of the subdivision.
501.11.3
For all existing and proposed sanitary sewers and sewer easements, show sizes, locations, and outlines of easements, in and within two hundred (200) feet of the boundaries of the subdivision.
If a public sewage treatment plant is to be constructed on and/or to serve the subdivision, place the offer of dedication on the plat.
501.11.4
Show the location of existing sanitary sewer lines on or adjacent to the site. If sanitary sewers are available to all lots, note: "Sewer available." If available sanitary sewers are maintained by the Hamilton County Water and Wastewater Treatment Authority note: "Public sanitary sewers available by HCWWTA."
501.12
Contour line or limit of 100-year flood and/or Floodway District (Valley Zone), each labeled, if applicable.
501.13
Municipal, county, state boundaries, water courses, railroads, etc., on and adjacent to the subdivision.
501.14
The boundaries of all property including access to said property) which is to be dedicated for public use, with the purpose indicated thereon.
501.15
The boundaries of all property (including access to said property) which is to be reserved by deed restrictions or protective covenants in the deeds for the common use of the property owners in the subdivision, e.g. "community lot." Show the ROHC book and page numbers on the plat for all appropriate recorded documents.