• Standard Requirements - Driveway

  • A. The driveway shall not enter a roadway within five feet of existing or planned curb returns; shall not interfere with a legal encroachment or create a hazard or nuisance and shall be spaced to make maximum street parking available.

    B. The driveway is to be sloped to prevent sheet flow from crossing the road and shall not interfere with drainage, cause erosion or deposition of silt. The driveway shall be constructed from the edge of pavement to property line.

    C. Minimum paved driveway construction shall consist of two inches of asphalt concrete pavement on six inches of Class II Aggregate Base within the road right of way. The entire portion of concrete driveways within the road right of way shall consist of a minimum of six inches of Class B concrete over three inches of Class II Aggregate Base.

    D. The driveway elevation at the property line shall be within one foot of the elevation of the near shoulder and shall merge with the shoulder to preserve the roadbed section.

    E. Shape a valley gutter across the driveway to match the flow line of the existing roadside ditch.

    F. Install a culvert for full width of driveway. This culvert is to be laid to the flow line grade of the existing roadside ditch. Only galvanized corrugated steel, corrugated aluminum, reinforced concrete or approved plastic pipe may be used. Installation shall conform to the pipe fabricator’s specifications for loading, cover and backfill requirements.

    G. Minimum concrete driveway construction shall consist of 6” of Class B concrete on three inches of Class II Aggregate Base.

    H. The top elevation of the driveway five feet behind the curb is to be 0.60 feet (7¼ inches) higher than the flow line of the gutter.

    I. If an existing driveway depression is not used, it shall be completely removed (curb, gutter and sidewalk) after making a saw cut at the nearest expansion joint or scoremark and replaced with concrete to conform to adjacent improvements - form board to be used at the gutter lip and the pavement restored with asphalt concrete. Replacement sidewalk and gutter shall be doweled (See Std Plan 110).

    J. All broken curb, gutter and sidewalk to be completely removed by saw cut at the nearest expansion joint or score mark and replaced to true grade and cross section. The replacement curb, gutter and sidewalk shall be doweled (Std Plan 110).

    K. The following template will be used to determine acceptable clearances. The template will be 18'-6" long and have two six-inch projections from its bottom plane, one located three feet and one five feet from an end. This template shall be used to control finish grades.