A.
General. A preliminary plat shall be required for all subdivisions
and shall be based upon a survey by a registered land surveyor and
the plat prepared on Mylar or paper of good quality at a scale of
not more than 100 feet to the inch and shall show correctly on its
face the following information:
(1)
Title under which the proposed subdivision is to be recorded.
(2)
Location of the proposed subdivision by government lot, quarter section,
township, range, county and state.
(3)
Date, scale and North point.
(4)
Names and addresses of the owner, subdivider and land surveyor preparing
the plat.
(5)
Entire area contiguous to the proposed plat owned or controlled by
the subdivider shall be included on the preliminary plat even though
only a portion of said area is proposed for immediate development.
The Town Board, upon the Plan Commission's recommendation, may waive
this requirement where it is unnecessary to fulfill the purposes and
intent of this chapter and undue hardship would result from strict
application thereof.
B.
Plat data. All preliminary plats shall show the following:
(1)
Exact length and bearing of the exterior boundaries of the proposed
subdivision referenced to a corner established in the United States
Public Land Survey and the total acreage encompassed thereby.
(2)
Locations of all existing property boundary lines, structures, drives,
streams and watercourses, marshes, rock outcrops, wooded areas, railroad
tracks and other significant features within the tract being subdivided
or immediately adjacent thereto.
(3)
Location. Right-of-way width and names of all existing streets, alleys
or other public ways, easements, railroad and utility rights-of-way,
driveways, culverts, and all section and quarter section lines within
the exterior boundaries of the plat or immediately adjacent thereto.
(4)
Location and names of any adjacent subdivisions, parks and cemeteries
and owners of record of abutting unplatted lands.
(5)
Type. Width and elevation of any existing street pavements within
the exterior boundaries of the plat or immediately adjacent thereto,
together with any legally established center line elevations.
(6)
Location. Size and invert elevation of any existing sanitary or storm
sewers, culverts and drain pipes, the location of manholes, catch
basins, hydrants, electric and communication facilities, whether overhead
or underground and the location and size of any existing water and
gas mains within the exterior boundaries of the plat or immediately
adjacent thereto. If no sewers or water mains are located on or immediately
adjacent to the tract, the nearest such sewers or water mains which
might be extended to serve the tract shall be indicated by the direction
and distance from the tract, size and invert elevations.
(7)
Corporate limit lines within the exterior boundaries of the plat
or immediately adjacent thereto.
(8)
Existing zoning on and adjacent to the proposed subdivision.
(9)
Contours within the exterior boundaries of the plat and extending
to the center line of adjacent public streets to National Map Accuracy
Standards based upon mean sea level datum at vertical intervals of
not more than two feet. At least two permanent bench marks shall be
located in the immediate vicinity of the plat; the location of the
bench marks shall be indicated on the plat, together with their elevations
referenced to mean sea level datum and the monumentation of the bench
marks clearly and completely described. Where, in the judgment of
the Town Engineer, undue hardship would result because of the remoteness
of the parcel from a mean sea level reference elevation, another datum
may be used.
(10)
High-water elevation of all ponds, streams, lakes, flowages
and wetlands within the exterior boundaries of the plat or located
within 100 feet therefrom.
(11)
Water elevation of all ponds, streams, lakes, flowages and wetlands
within the exterior boundaries of the plat or located within 100 feet
therefrom at the date of the survey.
(12)
Floodland and shoreland boundaries and the contour line lying
a vertical distance of two feet above the elevation of the one-hundred-year
recurrence interval flood or, where such data is not available, two
feet above the elevation of the maximum flood of record within the
exterior boundaries of the plat or within 100 feet therefrom.
(13)
Soil types and their boundaries, as shown on the operational
soil survey maps prepared by the United States Department of Natural
Resources Conservation Service.
(14)
Location and results of soil boring tests within the exterior
boundaries of the plat conducted in accordance with the rules of the
Department of Safety and Professional Services contained in Ch. SPS
385, Wis. Adm. Code, and delineation of areas with three-foot and
six-foot groundwater and bedrock levels where the subdivision will
not be served by public sanitary sewer service.
[Amended 3-13-2019 by Ord. No. 1]
(15)
Location and results of percolation tests within the exterior
boundaries of the plat conducted in accordance with the rules of the
Department of Safety and Professional Services contained in Ch. SPS
385, Wis. Adm. Code, for subdivisions not served by public sewer.
[Amended 3-13-2019 by Ord. No. 1]
(16)
Location. Width and names of all proposed streets and public
rights-of-way such as alleys and easements.
(17)
Approximate dimensions of all lots together with proposed lot
and block numbers. The area in square feet of each lot shall be provided.
(18)
Location and approximate dimensions of any sites to be reserved
or dedicated for parks, playgrounds, drainage ways or other public
use or which are to be used for group housing, shopping centers, church
sites or other nonpublic uses not requiring lotting.
(19)
Approximate radii of all curves.
(20)
Any proposed lake and stream access with a small drawing clearly
indicating the location of the proposed subdivision in relation to
access.
(21)
Any proposed lake and stream improvement or relocation, and
notice of application for approval by the Department of Natural Resources,
when applicable.
[Amended 3-13-2019 by Ord. No. 1]
(22)
Where the Plan Commission, Town Board or Town Engineer finds
that it requires additional information relative to a particular problem
presented by a proposed development in order to review the preliminary
plat, it shall have the authority to request, in writing, such information
from the subdivider.
C.
Additional information. The Plan Commission and/or Town Board may
require a proposed subdivision layout of all or part of the contiguously
owned land even though division is not planned at the time.
A.
General. A final plat prepared by a registered land surveyor shall
be required for all subdivisions. It shall comply in all respects
with the requirements of § 236.20, Wis. Stats., and this
chapter.
B.
Additional information. The final plat shall show correctly on its
face, in addition to the information required by § 236.20,
Wis. Stats., the following:
(1)
Exact length and bearing of the center line of all streets.
(2)
Exact street width along the line of any obliquely intersecting street.
(3)
Exact location and description of streetlighting and lighting utility
easements.
(4)
Railroad rights-of-way within and abutting the plat.
(5)
All lands reserved for future public acquisition or reserved for
the common use of property owners within the plat.
(6)
Special restrictions required by the Town Board relating to access
control along public ways or to the provision of planting strips.
C.
Deed restrictions. Restrictive covenants and deed registrations for
the proposed subdivision shall be filed with the final plat.
D.
Property owners association. The legal instruments creating a property
owners association for the ownership and/or maintenance of common
lands in the subdivision shall be filed with the final plat.
E.
Survey accuracy.
(1)
Examination. The Town Board shall examine all final plats within
the Town of Koshkonong and may check for the accuracy and closure
of the survey, the proper kind and location of monuments, and legibility
and completeness of the drawing.
(2)
Maximum error of closure. Maximum error of closure before adjustment
of the survey of the exterior boundaries of the subdivision shall
not exceed, in horizontal distance or position, the ratio of 1:10,000,
nor in azimuth, four seconds of arc per interior angle. If field measurements
exceed this maximum, new field measurements shall be made until a
satisfactory closure of the field measurements has been obtained;
the survey of the exterior boundary shall be adjusted to form a closed
geometric figure.
(3)
Street, block and lot dimensions. All street, block and lot dimensions
shall be computed as closed geometric figures based upon the control
provided by the closed exterior boundary survey. If checks disclose
an error for any interior line of the plat greater than the ratio
of 1:5,000, or an error in measured angle greater than one minute
of arc for any angle where the shorter side forming the angle is 300
feet or longer, necessary corrections shall be made. Where the shorter
side of a measured angle is less than 300 feet in length, the error
shall not exceed the value of one minute multiplied by the quotient
of 300 divided by the length of the shorter side; however, such error
shall not in any case exceed five minutes of arc.
(4)
Plat location. Where the plat is located within a quarter section,
the corners of which have been relocated, monumented and coordinated
by the Town, the tie required by § 236.20(3)(b), Wis. Stats.,
shall be expressed in terms of grid bearing and distance; and the
material and Wisconsin state plane coordinates of the monument marking
the relocated section or quarter corner to which the plat is tied
shall be indicated on the plat. The grid bearing and distance of the
tie shall be determined by a closed survey meeting the error of closure
herein specified for the survey of the exterior boundaries of the
subdivision.
F.
Surveying and monumenting. All final plats shall meet all the surveying
and monumenting requirements of § 236.15, Wis. Stats.
G.
State plane coordinate system. Where the plat is located within a
quarter section, the corners of which have been relocated, monumented
and coordinated by the Town, the plat shall be tied directly to one
of the section or quarter corners so relocated, monumented and coordinated.
The exact grid bearing and distance of such tie shall be determined
by field measurements, and the material and Wisconsin state plane
coordinates of the monument marking the relocated section or quarter
corner to which the plat is tied shall be indicated on the plat. All
distances and bearings shall be referenced to the Wisconsin Coordinate
System, South Zone, and adjusted to the Town's control survey.
H.
Certificates. All final plats shall provide all the certificates
required by § 236.21, Wis. Stats.; and in addition, the
surveyor shall certify that he has fully complied with all the provisions
of this chapter.
A.
Certified survey requirements. For any land division creating up
to four parcels, which includes the parent parcel, of five acres or
less in size, such map shall not contain more than four parcels, which
includes the parent parcel, which are five acres each or less, or
building sites within a recorded subdivision plat without changing
the exterior boundaries of the block, lot or outlot, the subdivider
shall subdivide by use of a certified survey map, prepared in accordance
with § 236.34, Wis. Stats., and this chapter. The subdivider
must also comply with the requirements set forth in Appendix B, "Pre-Conference
Checklist."[1]
[Amended 3-13-2019 by Ord. No. 1]
[1]
Editor's Note: Said Appendix B is included as an attachment
to this chapter.
B.
Submission and review. The subdivider shall file two copies of said
survey map with the Town Clerk. The Town Board shall review, and within
90 days approve, approve conditionally or reject the map. The subdivider
shall be notified, in writing, of any conditions of approval of the
reasons for rejection.
[Amended 3-13-2019 by Ord. No. 1]
C.
Additional information. The Certified Survey Map shall show correctly
on its face, in addition to the information required by § 236.34,
Wis. Stats., the following:
(1)
All existing buildings, watercourses, drainage ditches and other
features pertinent to proper division.
(2)
Setbacks or building lines required by the Town ordinances and the
Jefferson County Zoning Code.
(3)
All lands reserved for future acquisition.
(4)
Date of the Map.
(5)
Graphic scale.
(6)
Name and address of the owner, subdivider and surveyor.
(7)
Square footage of each parcel.
(8)
Present zoning for the parcels.
D.
State plane coordinate system. Where the map is located within a
quarter section, the corners of which have been relocated, monumented
and coordinated by the Town, the map shall be tied directly to one
of the section or quarter corners so relocated, monumented and coordinated.
The exact grid bearing and distance of such tie shall be determined
by field measurements, and the material and Wisconsin state plane
coordinate of the monument marking the relocated section or quarter
corner to which the map is tied shall be indicated on the map. All
distances and bearings shall be referenced to the Wisconsin Coordinate
System, South Zone, and adjusted to the Town's control survey.
E.
Certificates. The surveyor shall certify on the face of the certified
survey map that he has fully complied with all the provisions of this
chapter. The Town Board, after a recommendation by the reviewing agencies,
shall certify its approval on the face of the map.
F.
Street dedication. Dedication of streets and other public areas shall
require, in addition, the owner's certificate and the mortgagee's
certificate in substantially the same form as required by § 236.21(2)(a)
of the Wis. Stats.
H.
Recordation.
(1)
The subdivider shall record the map with the Jefferson County Register
of Deeds within 12 months after the date of the last approval of the
map, pursuant to § 236.34(2)(b)1, Wis. Stats., and within
36 months after the date of the first approval of the map by the Town
Board and any other approving agencies. Failure to do so shall necessitate
a new review and reapproval of the map by the Town Board.
[Amended 3-13-2019 by Ord. No. 1]
(2)
Three additional copies of the final approved map shall be forwarded
to the Town of Koshkonong. The volume and page number of the recording
file shall be noted on the final approved map copies.
I.
Requirements. To the extent reasonably practicable, the certified
survey shall comply with the provisions of this chapter relating to
general requirements, design standards and required improvements.
Conveyance by metes and bounds shall be prohibited where the lot(s)
involved is less than 1 1/2 acres or 300 feet in width.
