The following required improvements shall be installed in accordance with the standards of this chapter and any additional engineering standards and specifications which have been adopted by the Village Board and filed with the Village Clerk-Treasurer. Where standards and specifications have not been adopted, the improvements shall be made in accordance with good engineering practices.
A. 
Payment for installation of improvements. The required improvements to be furnished and installed by the subdivider, which are listed and described in this chapter, shall be the responsibility of, and paid for by, the subdivider.
B. 
Required agreement providing for proper installation of improvements.
(1) 
Prior to installation of any required improvements and prior to approval of the final plat, the subdivider shall enter into a written contract with the Village requiring the subdivider to furnish and construct designated improvements at his sole cost and in accordance with plans and specifications and usual contract conditions, which shall include provision for supervision of details of construction by the Village Engineer and grant to the Engineer authority to correlate the work to be done under said contract by any subcontractors authorized to proceed thereunder and with any other work being done or contracted by the Village in the vicinity.
(2) 
The agreement shall require the subdivider to furnish a performance bond or irrevocable letter of credit, the amount of the deposit and the penal amount of the bond to be equal to the Engineer's estimate of the total cost of the improvements to be furnished under the contract and/or this chapter, including the cost of inspection.
(3) 
On request of the subdivider, the contract may provide for completion of part or all of the improvements covered thereby prior to acceptance of the plat, and in such event the amount of the deposit or bond shall be reduced in a sum equal to the estimated cost of the improvements so completed prior to acceptance of the plat only. If the required improvements are not complete within the specified period, all amounts held under performance bond shall be turned over and delivered to the Village and applied to the cost of the required improvements. Any balance remaining after such improvements have been made shall be returned to the owner or subdivider. The Village Board, at its option, may extend the bond period for an additional period not to exceed two years.
(4) 
The time for completion of the work and the several parts thereof shall be determined by the Village Board upon recommendation of the Engineer after consultation with the subdivider.
(5) 
The subdivider shall pay the Village for all costs incurred by the Village for review and inspection of the subdivision. This would include preparation and review of plans and specifications by the Engineer, Planner and Attorney, as well as other costs of a similar nature.
A. 
Construction plans and specifications. Construction plans for the required improvements conforming in all respects with the standards of the Village Engineer and the ordinances of the Village shall be prepared at the subdivider's expense by a professional engineer who is registered in the State of Wisconsin, and said plans shall contain his seal. Such plans, together with the quantities of construction items, shall be submitted to the Village Engineer for his approval and for his estimate of the total cost of the required improvements; upon approval, they shall become a part of the contract required. Simultaneously with the filing of the preliminary plat with the Village Clerk-Treasurer or as soon thereafter as practicable, copies of the construction plans and specifications shall be furnished for the following public improvements:
(1) 
Street plans and profiles showing existing and proposed grades, elevations and cross sections of required improvements.
(2) 
Sanitary sewer plans and profiles showing the locations, grades, sizes, elevations and materials of required facilities.
(3) 
Storm sewer and open channel plans and profiles showing the locations, grades, sizes, cross sections, elevations and materials of required facilities.
(4) 
Water main plans and profiles showing the locations, sizes, elevations and materials of required facilities.
(5) 
Erosion and sedimentation control plans showing those structures required to retard the rate of runoff water and those grading and excavating practices that will prevent erosion and sedimentation.
(6) 
Planting plans showing the locations, age, caliper, species and time of planting of any required grasses, vines, shrubs and trees.
(7) 
Additional special plans or information as required by Village officials.
B. 
Action by the Village Engineer. The Village Engineer shall review or cause to be reviewed the plans and specifications for conformance with the requirements of this Code and other pertinent Village design standards recommended by the Village Engineer and approved by the Village Board. If he rejects the plans and specifications, he shall notify the owner, who shall modify the plans or specifications, or both, accordingly. When the plans and specifications are corrected, the Village Engineer shall approve the plans and specifications for transmittal to the Village Board. The Village Board shall approve the plans and specifications before the improvements are installed.
C. 
Construction and inspection.
(1) 
Prior to starting any of the work covered by the plans approved above, written authorization to start the work shall be obtained from the Village Engineer upon receipt of all necessary permits and in accordance with the construction methods of this chapter.
(2) 
Construction of all improvements required by this chapter shall be completed within two years from the date of approval of the preliminary plat by the Village Board, unless good cause can be shown for the Village Board to grant an extension.
(3) 
During the course of construction, the Village Engineer shall make such inspections as he deems necessary to insure compliance with the plans and specifications as approved. The owner shall pay the actual cost incurred by the Village for such inspections. This fee shall be the actual cost to the Village of inspectors, engineers and other parties necessary to insure satisfactory work.
D. 
As-built plans. After completion of all public improvements and prior to final acceptance of said improvements, the subdivider shall make or cause to be made a map showing the actual location of all valves, manholes, stubs, sewers and water mains and such other facilities as the Village Engineer shall require. This map shall be in black pencil on tracing paper and shall bear the signature and seal of a professional engineer registered in Wisconsin. The presentation of the map shall be a condition of final acceptance of the improvements and release of the surety bond assuring their completion.
The Village shall construct streets and sidewalks pursuant to approved plans based on the requirements of this Code.
A. 
Grading. With the submittal of the final plat, the subdivider shall furnish drawings which indicate the existing and proposed grades of streets and alleys shown on the plat. Proposed grades will be reviewed by the Village Engineer for conformance with Village standards and good engineering practice. Street grades require the approved of the Village Board after receipt of the Village Engineer's recommendations. After approval of the street grades, the Village shall grade the full width of the right-of-way of the streets and alleys proposed to be dedicated, including the vision clearance triangle on corner lots. In cases where an existing street right-of-way is made a part of the plat or abuts the plat, the Village shall grade that portion of the right-of-way between the existing pavement and the property line. The bed for the roadways in the street rights-of-way shall be graded to subgrade elevation. The Village Engineer shall approve all grading within rights-of-way, and said grading shall extend for a sufficient distance beyond the right-of-way to insure that the established grade will be preserved. Where electric and other communications or utilities facilities are to be installed underground, the utility easements shall be graded to within six inches of the final grade by the Village, prior to the installation of such facilities; earth fill piles or mounds of dirt or construction materials shall not be stored on such easement areas.
B. 
Street and sidewalk construction.
(1) 
After sanitary sewer, storm sewer and water utilities have been installed by the subdivider, the Village shall construct, and the subdivider shall dedicate as part of the subdivision, streets and sidewalks, including those adjacent to platted lots in existing street rights-of-way abutting the plat. The Village shall surface roadways to the widths prescribed by the Village Board on recommendation of the Village Engineer. Construction shall be to Village standard specifications for street improvements. The subdivider shall pay the cost of curbs and gutters.
(2) 
The Village Board shall have the option of not requiring the construction of sidewalks within street rights-of-way in cases where it determines, after consultation with the Village Engineer, that sidewalks are not necessary because of low-density land use and low pedestrian volumes or for access to schools and bus routes or for continuity of existing sidewalk or bicycle route systems or because of a cul-de-sac or loop street pattern. Consideration shall also be given to the pattern of development of adjoining lands and to the possibility of damage to trees.
C. 
Completion of street and sidewalk construction.
(1) 
Prior to any building permits being issued on lands adjacent to streets and/or sidewalks, all street and sidewalk construction shall first be approved by the Village Engineer and accepted by the Village Board.
(2) 
The Village Engineer may issue a waiver of these requirements in unusual or special circumstances, such as excessively severe weather conditions, heavy construction temporarily in the area or construction material shortages (i.e., cement, asphalt). The issuance of a waiver shall be at the discretion of the Village Engineer and shall be based upon the written request of the subdivider.
D. 
Curb and gutter. When required by the Village Board, after the installation of all utility and stormwater drainage improvements, the subdivider shall construct concrete curbs and gutters in accordance with plans and standard specifications approved by the Village Board or its designee. Wherever possible, provision shall be made at the time of construction for driveway access curb cuts.
All streets and highways constructed by the subdivider or to be dedicated to the Village shall fully comply with the following construction standards:
A. 
Right-of-way and pavement width. The minimum right-of-way and roadway width of all proposed streets and alleys shall be as specified as provided under the design standards provided in Article VIII of this chapter.
B. 
Roadway ditches. Where curb and gutter is not required by the Village for rural cross-section streets, the minimum ditch slope shall be 0.50%.
C. 
Roadway base thickness.
(1) 
Residential streets shall have a minimum roadway base thickness of eight inches of compacted in-place crushed aggregate base course of gradation No. 2 in the top layer and gradations No. 1 and No. 2 in the lower level.
(2) 
On commercial, arterial or other heavy-use streets, as determined by the Village Engineer, a base course of eight inches compacted shall be constructed upon an inspected and approved subgrade, either well-graded crushed gravel from a state-approved pit with a maximum stone of 1 1/2 inches and no greater than 10% by weight passing a No. 200 sieve or No. 3 crushed rock approximately six inches in depth and one or more layers of fine aggregate, either three-fourths-inch crushed gravel, well-graded with no greater than 10% passing a No. 200 sieve, or three-fourths-inch traffic-bound crushed rock.
(3) 
In the case of commercial, arterial or other heavy-use roads, the Village Board may, in the alternative to the above standards, have the Village Engineer provide specifications for such roads after researching the site(s) and conducting a soil analysis.
(4) 
In any case, the Village Board shall have the sole discretion in determining the use and construction classification to be adhered to.
(5) 
In all cases, the base course shall be compacted to the extent necessary to produce a condition so that there will be no appreciable displacement of material laterally and longitudinally under traffic and shall conform to line, grades and shape shown on the approved plans, profiles and cross sections.
D. 
Roadway subbase. Stable and nonorganic subbase material is required. Unstable and organic material must be subcut, removed and replaced with a suitable granular or breaker-run material approved by the Village Engineer.
E. 
Pavement thickness. Residential streets shall have a minimum of two-and-one-half-inch thick compacted bituminous concrete pavement, placed in two layers, a binder course of 1 1/2 inches thick and a surface course of one inch. On commercial, arterial or other heavy-use streets, there shall be a minimum of 3 1/2 inches of bituminous concrete pavement, placed in two layers, a binder course of two inches thick and a surface course of 1 1/2 inches thick. In the case of commercial, arterial or other heavy-use roads, the Village Board may, in the alternative to the above standards, have the Village Engineer provide specifications for paving such roads after researching the site(s) and conducting a soil analysis. In any case, the Village Board shall have the sole discretion in determining the use and construction classification to be adhered to.
F. 
Roadway culverts and bridges. Roadway culverts and bridges shall be constructed as directed by the Village Engineer and sized utilizing the methods listed in Chapter 13, Drainage, of the Facilities Development Manual of the Wisconsin Department of Transportation. All roadway culverts shall be provided with concrete or metal apron endwalls.
G. 
Driveway culverts. Driveway culverts shall be sized by the Village Engineer (if appropriate). The culverts shall be placed in the ditch line at elevations that will assure proper drainage, be provided with concrete, metal or landscape timber endwalls, and shall comply with all Village ordinances.
There shall be provided a sanitary sewerage system in conformity with the master plan of sewers as approved by the Village Board and/or sewerage district. The subdivider shall install adequate sanitary sewer facilities and connect them to sewer mains subject to specifications and inspection of the Village Engineer. The subdivider shall pay all the costs of all sanitary sewer work, including the bringing of the sanitary sewer from where it exists to the subdivision in question as well as providing all sanitary sewer work within the subdivision. The cost of providing and installing sewer pipe of sizes larger or at a greater depth than required to serve the area shall be borne by the Village, as agreed upon between the landowner and the Village Board prior to approval of the preliminary plat or certified survey map, pursuant to this chapter. The size, type and installation of all sanitary sewers proposed to be constructed shall be in accordance with plans and standard specifications approved by the Village. The subdivider shall be responsible for the cost of sewer and water utility improvements, including lift stations and grinder pumps; the Village shall be responsible for the cost of installing manholes and hydrants.
There shall be provided a water supply system in conformity with the master plan of the water system as approved by the Village Board. The subdivider shall construct water mains in such a manner as to make adequate water service available to each lot within the subdivision. If municipal water service is not available, the subdivider shall make provision for adequate private water systems as specified in applicable ordinances. The Village may require the installation of water laterals to the street lot line. The size, type and installation of all public water mains proposed to be constructed shall be in accordance with plans and standard specifications approved by the Village. The Village shall be responsible for the cost of hydrants and manholes.
Pursuant to § 445-33, the subdivider shall provide stormwater drainage facilities, which may include curb and gutter, catch basins and inlets, storm sewers, road ditches and open channels, as may be required. All such facilities are to be of adequate size and grade to hydraulically accommodate the twenty-five-year storm. Storm drainage facilities shall be so designed as to present no hazard to life or property, and the size, type and installation of all stormwater drains and sewers proposed to be constructed shall be in accordance with the plans and specifications approved by the Village Engineer. The subdivider shall pay all costs of all storm sewer work, except that the subdivider shall not be required to pay for any storm sewers that are required to bring the storm sewers to the subdivision, nor shall they be required to install any storm sewers that are more than 18 inches in diameter.
A. 
Other utilities. The subdividers shall cause gas, electrical power and telephone facilities to be installed in such a manner as to make adequate service available to each lot in the subdivision. No such electrical or telephone service shall be located on overhead poles along the front lot lines unless otherwise allowed due to exceptional topography or other physical barrier. Plans indicating the proposed location of all gas, electrical power and telephone distribution and transmission lines required to service the plat shall be approved by the Village Board, and such map shall be filed with the Village Clerk-Treasurer.
B. 
Street lamps. The Village shall install street lamps along the streets proposed to be dedicated of a design compatible with the neighborhood and type of development proposed. Such lamps shall be placed at each street intersection and at such interior block spacing as may be required by the Village Board.
C. 
Street signs. The Village shall install at the intersections of all streets proposed to be dedicated a street sign of a design specified by the Village Board.
D. 
Material standards. All improvements constructed under this chapter shall be of the standards, where applicable, established by the State Department of Transportation's "Standard Specifications for Roads and Bridges." Where the State Department of Transportation's specifications do not apply, the standards shall be as approved by the Village Engineer.[1]
[1]
Editor's Note: Amended at time of adoption of Code (see Ch. 1, General Provisions, Art. II).
Improvements within a subdivision which have been completed prior to application for approval of the final plat or execution of the contract for installation of the required improvements shall be accepted as equivalent improvements in compliance with the requirements only if the Village Engineer shall certify that he is satisfied that the existing improvements conform to applicable standards.