The subdivider shall install survey monuments placed in accordance with the requirements of § 236.15, Wis. Stats., and as may be required by the Village Engineer.
A. 
After the installation of temporary block corner monuments by the subdivider and establishment of street grades by the Village Engineer, the subdivider shall grade the full width of the right-of-way of all streets proposed to be dedicated in accordance with plans and standard specifications approved by the Village Plan Commission, upon the recommendation of the Village Engineer. The subdivider shall grade the roadbeds in the street rights-of-way to subgrade.
B. 
Cut-and-filled lands shall be graded to a maximum slope of one on four or the soil's angle of repose, whichever is the lesser, and covered with permanent vegetation.
After the installation of all utility and stormwater drainage improvements, the subdivider shall surface all roadways in streets proposed to be dedicated to the widths prescribed by these regulations and the Comprehensive Plan or the Comprehensive Plan components of the Village. All roadways shall be surfaced with a three-and-one-half-inch hot-mix bituminous concrete pavement, made up of a two-inch binder course and a one-and-one-half-inch surface course, placed on an eight-inch-thick gravel base. The bituminous pavement shall be constructed in stages, the binder course being placed initially upon completion of the utilities, and the surface course being placed at such time that 75% of the lots within the subdivision have been developed, but not sooner than one year after the date the binder course was placed. All failures in the binder course shall be repaired and no bituminous surface shall be laid later than October 1 of any given year. Said surfacing shall be done in accordance with plans and standard specifications approved by the Village Plan Commission upon the recommendation of the Village Engineer.
In all subdivisions, the Village Board may require the subdivider to construct concrete curb and gutters in accordance with plans and standard specifications approved by the Village Plan Commission upon the recommendation of the Village Engineer. The cost of installation of all inside curbs and gutters for dual roadway pavements on the established arterial street and highway system for the Village shall be borne by the subdivider.
When permanent rural street sections have been approved by the Village Board, the subdivider shall finish grade all shoulders and road ditches, install all necessary culverts at intersections and, if required, surface ditch inverts to prevent erosion and sedimentation in accordance with plans and standard specifications approved by the Village Plan Commission, as recommended by the Village Engineer and as set forth in § 375-0814 of this chapter.
In all subdivisions, the Village Board shall require the subdivider to construct a concrete sidewalk on both sides of all streets within the subdivision. The construction of all sidewalks shall be in accordance with plans and standard specifications approved by the Village Plan Commission, upon the recommendation of the Village Engineer. In addition, wider-than-standard sidewalks may be required by the Village Board in the vicinity of schools, commercial areas, and other places of public assemblage, and the Village Board may require the construction of sidewalks in locations other than required under the preceding provisions of this chapter if such walks are necessary in its opinion for safe and adequate pedestrian circulation.
When the proposed subdivision or certified survey map is located within the adopted sanitary sewer service area of the Village of Williams Bay, the subdivider shall construct sanitary sewerage facilities in such a manner as to make adequate sanitary sewerage service available to each lot within the subdivision. In addition:
A. 
The Village Board shall require the installation of sewer laterals to the front or street side lot line for residential lots.
B. 
The size, type, and installation of all sanitary sewers and sanitary laterals proposed to be constructed shall be in accordance with plans and specifications approved by the Village Plan Commission upon recommendation of the Village Engineer. The latest revision of the Standard Specifications for Sewer and Water Construction in Wisconsin shall govern all work. All sanitary sewer and sanitary sewer lateral trenches within proposed streets shall be backfilled with granular material meeting the requirements of the "Standard Specifications." However, upon written approval of the Village Engineer, the trenches may be backfilled with excavated material, meeting the requirements of the "Standard Specifications." If excavated material is allowed for backfill, it shall be compacted by mechanical methods, meeting the approval of the Village Plan Commission, upon the recommendation of the Village Engineer.
C. 
The subdivider shall assume the cost of installing all sanitary sewers, sewer laterals, and sewer appurtenances within the proposed subdivision. In addition, the subdivider shall pay to the Village a sanitary sewer trunk line connection fee based on the added cost of installing larger sewers in the total tributary drainage area, which shall be prorated in proportion to the ratio which the total area of the proposed plat is to the total drainage area to be served by such larger sewers.
The subdivider shall construct stormwater drainage facilities, adequate to serve the subdivision which may include curbs and gutters, catch basins and inlets, storm sewers, road ditches, open channels, water retention structures and settling basins. All such facilities shall be of adequate size and grade to hydraulically accommodate the maximum potential volumes of flow and shall be so designed as to prevent and control soil erosion and sedimentation and to present no hazards to life or property. In addition:
A. 
Unpaved road ditches and street gutters shall be shaped and seeded and/or sodded as grassed waterways. Where the velocity of flow is in excess of four feet per second on soils having a severe or very severe erosion hazard and in excess of six feet per second on soils having moderate, slight, or very slight erosion hazard, the subdivider shall install a paved invert or check dams, flumes, or other energy dissipating devices.
B. 
Shoreland drainage facilities shall, if required, include water retention structures and settling basins so as to prevent erosion and sedimentation where such facilities discharge into streams or lakes. The design criteria, the size, type, grades and installation of all stormwater drains and sewers and other cross-section, invert and erosion control paving check dams, flumes or other energy dissipating structures and seeding and/or sodding of open channels and unpaved road ditches proposed to be constructed shall be in accordance with the plans and standard specifications approved by the Village Engineer.
C. 
The subdivider shall assume the cost of installing all storm sewers within the proposed subdivision, except for the added cost of installing storm sewers greater than those which are necessary to serve tributary drainage areas lying outside of the proposed subdivision. In addition, the subdivider shall pay to the Village, a storm sewer trunk line connection fee based on the added cost of installing larger sewers in the total tributary drainage area which shall be prorated in proportion to the ratio which the total area of the proposed plat is to the total drainage area to be served by such larger sewers.
When the proposed subdivision or certified survey map is located within the adopted water service area of the Village of Williams Bay, or when it is proposed to establish a private water supply and distribution system to serve two or more lots, the subdivider shall cause such water supply and distribution facilities to be installed in such a manner as to make adequate water service available to each lot within the subdivision. The subdivider shall make provision for adequate private water systems as required by the Village in accordance with the standards of the Wisconsin Department of Natural Resources. In addition:
A. 
The Village Board shall require the installation of water laterals to the front or street side lot line.
B. 
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 Plan Commission, upon the recommendation of the Village Engineer.
C. 
The subdivider shall assume the cost of installing all water mains, water laterals, and water system appurtenances within the proposed subdivision.
The subdivider shall cause gas, electrical power, cable TV, and telephone facilities to be installed in such a manner as to make adequate service available to each lot in the subdivision. No such utilities shall be located on overhead poles. In addition, plans indicating the proposed location of all gas lines required to service the plat shall be approved by the Village Engineer.
The subdivider shall pay to the Village the cost to install street lamps of a design approved by the Village Engineer, at the intersection of all streets to be dedicated and at such mid-block intervals as may be required by the Village Board.
The subdivider shall pay to the Village the cost to install street signs of a design approved by the Village Engineer at the intersection of all streets to be dedicated.
In all subdivisions with lots smaller than one acre, the Village Board shall, and in other subdivisions may, require the developer to plant at least one tree of an approved species and of at least 1 1/2 inches in diameter at breast height (dbh) for each 50 feet of frontage on all streets to be dedicated. The trees shall be planted within the curb lawn. In addition:
A. 
In lieu of planting street trees, the subdivider may, at the time of final plat approval or certified survey map approval, pay a tree fee to the Village Treasurer in an amount provided in the Village Fee Schedule[1] for each tree to be planted. Monies collected for tree planting shall be kept in a special tree planting fund for that purpose.
[Amended at time of adoption of Code (see Ch. 1, General Provisions, Art. II)]
[1]
Editor's Note: The current Fee Schedule is on file in the Village office.
B. 
Tree plantings shall be completed by the subdivider or by the Village, as determined by the Village Board, in accordance with plans and specifications approved by and at such time as directed by the Village Park and Memorial Advisory Committee.
[Amended at time of adoption of Code (see Ch. 1, General Provisions, Art. II)]
The subdivider shall plant those grasses, trees, and vines, a species and size specified by the Village Board, necessary to prevent soil erosion and sedimentation. In addition:
A. 
The Village Board may require the subdivider to provide or install certain protection and rehabilitation measures, such as fencing, sloping, seeding, riprap, revetments, jetties, clearing, dredging, snagging, drop structures, brush mats, willow poles, and grade stabilization structures.
B. 
Tree cutting and shrubbery clearing shall not exceed 50% of the lot or tract and shall be so conducted as to prevent erosion and sedimentation; preserve and improve scenic qualities; and, during foliation, substantially screen any development from stream or lake users (see § 375-1005 of this chapter).
C. 
Paths and trails in wooded and wetland areas shall not exceed 10 feet in width unless otherwise approved by the Village Plan Commission, and shall be so designed and constructed as to result in the least removal and disruption of trees and shrubs, and the minimum impairment of natural beauty.
D. 
Earthmoving, such as grading, topsoil removal, mineral extraction, stream course changing, road cutting, waterway construction or enlargement, removal of stream or lake bed materials, excavation, channel clearing, ditching, drain tile laying, dredging, and lagooning, shall be so conducted as to prevent erosion and sedimentation and to least disturb the natural fauna, flora, watercourse, water regimen, and topography (see §§ 375-1004 and 375-1005 of this chapter).
E. 
Review of the conduct of such cutting, clearing and moving may be requested of the Walworth County Land Conservation Committee, the State District Fish and Game Managers, and the State District Forester by the Village Engineer or Village Plan Commission, as they deem appropriate.