The subdivider of any proposed subdivision, including the opening or extension of any street or streets or the installation of County or municipal utilities within easements, shall submit construction plans and specifications prepared by a registered civil engineer to the Grant County Engineer. Such plans and specifications shall meet the requirements of the County Engineer. Construction of public improvements shall not proceed unless plans and specifications have been approved by the County Engineer. The subdivider shall notify the County Engineer whenever constructed improvements require inspection preparatory to approval by the County Engineer. If the subdivider has not complied with minimum improvement requirements, he shall reinstall the improvements to conform to these regulations.
All plats and subdivisions shall meet the following requirements. Design and specifications of pavement base, wearing surfaces, curbs and gutters, materials and procedures, and grading and drainage facilities shall be in accordance with requirements specified by the County Engineer. All roadways shall be improved as specified in the following table titled "Street Improvement Standards":
Street Improvement Standards
(Local Streets)
Minimum Lot Size
(square feet)
Minimum Right-of-Way
(feet)
Surface Width
(feet)
Minimum Road Width
(feet)
Flat Shoulder Both Sides
(feet)
Rural
Cul-de-sac*
More than 40,000
60
18 graded
24
3
20,000 to 40,000
60
18 bituminous
24
3
Through
More than 20,000
66
20 bituminous
28
3
10,000 to 20,000
66
24 bituminous
32
3
Collector
10,000 or more
100
22 bituminous
30
4
Street Improvement Standards
(Local Streets)
Minimum Lot Size
(square feet)
Minimum Right-of-Way
(feet)
Surface Width
(feet)
Minimum Road Width
(feet)
Graded Walkway Both Sides
(feet)
Urban
Cul-de-sac*
Less than 10,000
60
28 bituminous
28
4
Through
Less than 10,000
66
32 bituminous
32
10
Collector
Less than 10,000
70
36 bituminous
36
10
All streets: A six-inch compacted base (or equivalent) shall extend the entire road width. Where a bituminous surface (or equivalent) is specified it shall be two-inch pavement or better over the six-inch compacted base.
NOTES:
*These standards apply to cul-de-sac and loop streets that are projected to serve fewer than 15 dwelling units.
If Wisconsin Statutes require a wider right-of-way than is required above, the street and plat shall meet the statutory requirements.
[1]
Editor's Note: Amended at time of adoption of Code (see Ch. 1, General Provisions, Art. I).
All plats and subdivisions shall meet the following requirements:
A. 
Water supply and sewage disposal.
(1) 
All water and sewage lines to be installed shall be constructed to the property line, before the streets are built.
(2) 
Where an approved public water supply or sanitary sewer is not located in proximity to a subdivision, any private system shall meet the requirements as to standards, specifications, construction, supervision, and maintenance as specified in the Grant County Private Sewage System and Sanitation Ordinance.[2]
[2]
Editor's Note: See Ch. 225, Sewage Systems, Private.
B. 
Drainage.
(1) 
Provision shall be made for the adequate disposal of surface water either to a natural drainage course or to a storm sewer system, as approved by the County Engineer.
(2) 
All surface drainage facilities shall connect to an adequate drainage course.
(3) 
Land that is subject to flooding periodically shall be provided with such improvements as may be required to remove flooding hazards from proposed subdivision lots.
[1]
Editor's Note: Amended at time of adoption of Code (see Ch. 1, General Provisions, Art. I).
The subdivider shall install monuments in accordance with the requirements of § 236.15, Wis. Stats.
The developer may apply for final approval and recording of all or only part of the entire subdivision. The improvements specified shall be installed and approval of the final plat shall be given only after the work has been completed or there shall have been filed with the Planning and Zoning Committee one of the following:
A. 
A duly completed and executed surety bond in an amount sufficient to complete the work with surety satisfactory to the appropriate municipality or the Planning and Zoning Committee.
B. 
A certified check, in an amount sufficient to complete the work, drawn on an approved bank and available to the appropriate municipality or the Planning and Zoning Committee. As the work progresses the municipality or the Planning and Zoning Committee may permit the exchange of said check for another check of sufficient amount to complete the remaining improvements agreed upon. If the improvements are not completed within the specified time, the municipality or Planning and Zoning Committee may use the bond or the certified check to complete the remaining work provided for.
C. 
Other collateral satisfactory to the appropriate municipality or the Planning and Zoning Committee in an amount sufficient to complete the work.