90 Attachment 1
Village of Holmen
Appendix A
Street Design Standards
[Amended 3-10-2016 by Ord. No. 1-2016]
Type of Street |
Right-of-Way Width to be Reserved
(feet) |
Minimum
Right-of-Way Width to be Reserved (feet) |
Pavement Width to be Constructed (feet) |
Urban Cross Sections | |||
Primary arterial | 100 | 80 | 53 BC/BC |
Standard arterial | 80 | 80 | 43 BC/BC |
High collector | 70 | 70 | 43 BC/BC |
Low collector | 66 | 66 | 41 BC/BC |
Local residential | 60 | 60 | 37 BC/BC |
Local industrial | 66 | 66 | 43 BC/BC |
Alleys | 20 | 20 | 16 |
Pedestrian ways | 10 | 10 | 5 |
Bicycle ways | 10 | 10 | 8 |
Rural Cross Sections | |||
Primary arterial | 150 | 100 | WI DOT standards |
High collector | 100 | 100 | 24 paved, 10 shoulders |
Local street | 66 | 66 | 24 paved, 4 shoulder |
All widths are subject to review and approval by the Village Board after recommendations by the Village Planning Commission. The above table is a general guide, final widths are to be approved by the Village Board after detailed engineering studies have been reviewed.
Street Grades. Unless necessitated by exceptional topography, subject to approval of the Village Board after review and recommendation by the Village Planning Commission, the maximum center line grade of any street or public way shall not exceed the following:
1. Arterial streets: 6%.
2. Collector streets: 8%.
3. Local streets, alleys, and frontage streets: 12%.
4. Pedestrian ways: 8% unless steps of accessible design are provided.
5. The grade of any street shall in no case be less than one-half of 1%.
Radii of Curvature. When continuous street center line deflects at any one point by more than 10°, a circular curve shall be introduced having a radius of curvature on said center line of not less than the following:
1. Arterial streets and highways: Wisconsin Department of Transportation standards.
2. Collector streets: 300 feet.
3. Local streets: 100 feet.
A tangent at least 100 feet in length shall be provided between reverse curves on arterial and collector streets.
Construction Standards.
Local Streets: a minimum of two inches MHA and six inches compacted base course.
Collector Streets: a minimum of 3 1/2 inches HMA and six inches compacted base course.
Curb and Gutter: 30 inches concrete curb and gutter.
Sidewalk: five feet wide and four inches thick concrete sidewalk. The depth shall be six inches thick where crossing driveway. Sidewalk grades shall be set a minimum of 1/2 inch per foot from the top of the curb.
Water main: a minimum of eight inches Class 52 ductile iron water main, with seven-foot cover. One-inch copper lateral.
Sanitary Sewer: a minimum of eight inches SDR 35 PVC sanitary sewer main. Four inches SDR 26 PVC lateral.
Storm Sewer: a minimum of 12 inches reinforced concrete storm sewer.
All specifications are subject to review and approval by the Village Board after recommendations by the Village Planning Commission and Village Engineer. The above standards are a minimum guide – final sizes are to be approved by the Village Board after detailed engineering studies have been reviewed.