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A. Minimum Corner Sight Distance: "Corner sight distance for local streets", as defined in the AASHTO guidelines, shall be a minimum of three hundred feet (300'). All other locations shall be provided with sight distance in accordance with AASHTO guidelines.
B. Clear View Of Intersection Streets:
1. Corner Lots: In all zones, no obstruction to view in excess of two feet (2') in height shall be placed on any corner lot within a triangular area formed by the edge of the paved surface and a line connecting them at points forty feet (40') from the intersection of the paved surfaces, except a reasonable number of trees pruned so as to permit unobstructed vision to automobile drivers (figure A of this section).
2. Clear View At Driveways: All driveways entering onto a public street, or right of way, shall have a clear view for drivers entering onto the street. That clear view shall be measured two feet (2') above the surface of the ground and form a triangle fifteen feet (15') from the intersection of the driveway, or right of way, except a reasonable number of trees pruned so as to permit unobstructed vision to automobile drivers (figure B of this section).
C. Removal By City: Landscaping material or other obstructions which infringes the clear view of intersecting streets creates a safety hazard, after twenty (20) days' notice to property owner by certified mail has been given, may be trimmed or removed by city employees or by any other person or entity designated by the city.
D. Reimbursement To City: The city shall be entitled to reimbursement of the costs incurred by it in trimming or removing landscaping or obstructions under this section, and may seek such reimbursement by sending an itemized invoice by certified mail to the property owner at its last known address. If the property owner fails to pay such costs to the city within twenty (20) days after the date of mailing such invoice, the city may cause suit to be brought in an appropriate court of law seeking such payment, interest thereto at the statutory rate, and the city attorney fees and costs of suit. (Ord. 2016-23, 9-22-2016)
Trees and landscaping which overhang the street pavement shall be trimmed to a minimum height of thirteen and one-half feet (131/2') above the street pavement. Trees and landscaping which violate the requirements of this section may be trimmed or removed by city employees or by any other person or entity designated by the city after twenty (20) days' notice by certified mail to the property owner has been given. The city shall be entitled to reimbursement of the costs incurred by it in trimming trees and landscaping under this section, and may seek such reimbursement by sending an itemized invoice by certified mail to the property owner at its last known address. If the property owner fails to pay such costs to the city within twenty (20) days after the date of mailing such invoice, the city may cause suit to be brought in an appropriate court of law seeking such payment, interest thereon at the statutory rate, and the city attorney fees and costs of suit. (1999 Code)
A. Location; Width: Sidewalks shall be located as far as practical from travel lanes. As the minimum standard, concrete sidewalks shall be four feet (4') in width with a five foot (5') utility strip between the roadway edge of sidewalk and back of curb.
B. Integral Sidewalks Permitted: A five foot (5') sidewalk will be allowed integral with the back of curb where exceptional topographic conditions exist or where specifically approved by the city. Where integral sidewalk is permitted, the right of way may be reduced accordingly. (1999 Code)
C. Abutting Properties: When properties are abutting, but do not access or front on public right of way, a stamped brick pavement in the utility strip or other suitable approved finishing material shall be required to reduce maintenance in these areas unless an exception is granted by the city. (Ord. 2015-02, 2-5-2015)
D. Aesthetic Alternatives: In developments which have a minimum lot area of one acre, aesthetic alternatives may be approved in lieu of standard concrete, except areas along collectors and arterials. The department or its designee shall review and approve all design and geometric standards for such requests.
E. Obstructions Prohibited: Sidewalks shall remain unobstructed from vegetation and other obstructions to a minimum height of seven feet (7'). Landscaping or other obstructions which violate the requirements of this section may be trimmed or removed by city employees or by any other person or entity designated by the city after twenty (20) days' notice by certified mail to the property owner has been given. The city shall be entitled to reimbursement of the costs incurred by it in trimming or removing landscaping or obstructions under this section, and may seek such reimbursement by sending an itemized invoice by certified mail to the property owner at its last known address. If the property owner fails to pay such costs to the city within twenty (20) days after the date of mailing such invoice, the city may cause suit to be brought in an appropriate court of law seeking such payment, interest thereon at the statutory rate, and the city attorney fees and costs of suit. (1999 Code)
A. When Required: Curb ramps shall be provided wherever an accessible route crosses a curb.
B. Slope: The least possible slope shall be used for any curb ramp. Slope shall be measured by: Slope equals Y:X, where X is a level plane.
C. Maximum Slope: The maximum slope of a curb ramp in new construction shall be one to twelve (1:12). Curb ramps to be constructed on existing sites or in existing buildings or facilities may have slopes and rises less than one to twelve (1:12) as follows:
1. A slope between one to ten (1:10) and one to twelve (1:12) is allowed for a maximum rise of six inches (6");
2. A slope between one to eight (1:8) and one to ten (1:10) is allowed for a maximum rise of three inches (3"); and
3. A slope steeper than one to eight (1:8) is not allowed.
D. Minimum Width: The minimum width of a curb ramp shall be thirty six inches (36"), exclusive of flared sides.
E. Surfaces: Surfaces or curb ramps shall be stable, firm and slip resistant.
F. Flared Sides: If a curb ramp is located where pedestrians must walk across the ramp, or where it is not protected by handrails or guardrails, it shall have flared sides, the maximum slope of the flare shall be 1:10. Curb ramps with returned curbs may be used where pedestrians would not normally walk across the ramp.
G. Built Up Curb Ramps: Built up curb ramps shall be located so that they do not project into vehicular traffic lanes.
H. Obstruction By Vehicles: Curb ramps shall be located or protected to prevent their obstruction by parked vehicles.
I. Marked Crossings: Curb ramps at marked crossings shall be wholly contained within the markings, excluding any flared sides.
J. Corner Type: If diagonal (or corner type) curb ramps have returned curbs or other well defined edges, such edges shall be parallel to the direction of pedestrian flow. The bottom of diagonal curb ramps shall have forty eight inches (48") minimum clear space. If diagonal curb ramps are provided at marked crossings, the forty eight inch (48") clear space shall be within the markings. If diagonal curb ramps have flared sides, they shall also have at least a twenty four inch (24") long segment of straight curb located on each side of the curb ramp and within the marked crossing.
K. Raised Islands: Any raised islands in crossings shall be cut through level with the street or have curb ramps at both sides and a level area at least forty inches (40") long between the curb ramps in the part of the island intersected by the crossings. (1999 Code)
On all streets a minimum clearance of twenty four inches (24") shall be provided between the curb face or shoulder edge and obstructions such as utility poles, fire hydrants, etc., except standard mailboxes approved by the U.S. postal service. (1999 Code)
A. Right Of Way Radius: Cul-de-sacs and turnarounds shall have a minimum right of way radius of fifty feet (50') in residential areas and sixty feet (60') in commercial and industrial areas. A circular left hand offset is desirable.
B. Hammerhead And Similar Turnarounds: Hammerhead, "L", "Y" and "T" turnarounds shall only be allowed when approved by the city planning commission upon written recommendation and design review of the department.
C. Temporary For Stub Streets: A temporary turnaround for stub streets in excess of one hundred fifty feet (150') long shall be provided where the extension of a street is planned and anticipated.
D. Length: The length of a cul-de-sac shall vary inversely with density to accommodate a maximum of twenty five (25) lots and shall not be longer than one thousand feet (1,000'). (1999 Code)
A. Maximum Vertical Grades: All vertical grades shall be a maximum of ten percent (10%).
B. Minimum Vertical Grade And Crown Slope: A minimum vertical grade of four-tenths of one percent (0.4%) and a minimum crown slope of two percent (2%) shall be provided for adequate drainage of runoff.
C. Vertical Crest Grades: All approach legs of intersections shall provide vertical crest grades not to exceed two percent (2%) for a distance of at least fifty feet (50') from right of way line of intersecting streets.
D. Crest Length: The length of crest and sag vertical curbs shall be designed in accordance with AASHTO guidelines.
E. Vertical And Horizontal Curves: Vertical and horizontal curves shall be designed to provide a minimum stopping sight distance in accordance with AASHTO guidelines using the design speeds listed below. Decision sight distances, however, may be required as outlined in AASHTO's guidelines where more complex driver information error is likely to occur.
F. Design Speeds: All roadways shall be designed in accordance with the following design speeds using AASHTO's guidelines, principles, and practices:
1. Local: Twenty five (25) miles per hour;
2. Collector: Forty (40) miles per hour;
3. Arterial: Fifty (50) miles per hour.
G. Super Elevation: Super elevation rates above 0.06 foot/foot shall be prohibited to minimize slipping across a roadway when stopped or attempting to slowly gain momentum from a stopped position. Super elevation will not be allowed on local residential streets.
H. Circular Curve: Where a centerline deflection angle of more than ten degrees (10o) occurs, a circular curve shall be introduced. There shall be a tangent of at least fifty feet (50') on local streets and one hundred feet (100') for collectors and arterials between reverse curves. (1999 Code)
A. Pavement Width And Design: The minimum pavement width and pavement design standards shall be provided as follows:
Right Of Way Width | Pavement Width | Minimum Design Section | |
Local | 42' | 25' | 8" base 3" asphalt |
Local | 50' | 25' | 8" base 3" asphalt |
Collector | 60' | 35' | 8" base 3" asphalt |
Collector | 66' | 41' | 8" base 3" asphalt |
Collector | 80' | 55' | 10" base 4" asphalt |
Arterial | 106' | 55' - 81' | 12" base 6" asphalt |
B. Geotechnical Specifications: All roadway sections shall be designed in accordance with specific geotechnical specifications acceptable to the city. Such geotechnical specifications shall be paid for by the applicant. The city shall required analysis and additional design requirements when unusual site or traffic conditions exist. (1999 Code)
A. Commercial, Industrial, Manufacturing And Multiple-Family Uses: Requirements for commercial, industrial, manufacturing, and multiple-family uses requiring motor vehicle access shall meet the requirements as hereinafter provided:
1. Access shall not be by more than one driveway approach for each one hundred feet (100') of frontage on any street. The city planning commission or staff where specifically delegated, may modify this requirement when considering a particular site plan in those cases where the commission or staff determines that the safety and convenience of the general public would be better served by more or less driveway approaches.
2. Wherever possible, abutting sites should share driveway approaches.
3. Additional driveway approaches may be warranted by table 3-A of this section for on center spacing of driveway approaches:
TABLE 3-A
RECOMMENDED DRIVEWAY APPROACH SPACING
RECOMMENDED DRIVEWAY APPROACH SPACING
Median Barrier | Principal Arterial | Arterial | Collector |
No | 250 feet | 200 feet | 175 feet |
Yes | 185 feet | 115 feet | 85 feet |
4. No two (2) of said driveway approaches shall be closer to each other than fifty feet (50').
5. No driveway approach shall be closer than one hundred feet (100') to the point of intersection of the two (2) property lines at any corner. If there is not one hundred feet (100') of frontage, then the driveway approach will be placed five feet (5') from the property line furthest from the intersection of the property lines, if the nearest existing driveway approach is fifty feet (50') or further away. In no instance shall a driveway approach be closer than sixty feet (60') from the projected intersection right of way lines with a minimum of five foot (5') flared section. Flared driveway approaches are required for distinction from intersection corners.
6. The minimum width of a driveway approach shall be twelve feet (12') and the maximum shall be thirty feet (30').
7. The community development director may approve a driveway approach up to a maximum of fifty feet (50') wide.
B. Single-Family Dwellings: Single-family dwellings shall meet the following requirements as hereinafter provided:
1. Single-family dwellings shall be permitted only one access unless a circular driveway approach is utilized.
2. There shall be a minimum of thirty five feet (35') between the entrances of circular driveway approaches and the two (2) closest edges of the driveway approach.
3. Corner lots will be allowed to have one driveway approach per street frontage.
4. There shall be a minimum ten feet (10') distance between all approved driveway approaches except on cul-de-sacs.
5. The minimum street driveway approach width at the property line shall be ten feet (10') and the maximum shall be thirty feet (30').
6. A minimum five foot (5') radius or flared section shall be used.
7. No radius or flare portion of a driveway approach shall intersect the abutting projected property line except where shared approaches are utilized.
8. On corner lots, driveway approaches shall be set back a minimum of twenty five feet (25') from the point of intersection of the right of way lines.
C. Grades: All driveway approach grades shall not exceed four percent (4%) within twenty feet (20') of the roadway boundary.
D. Approaches: Approaches shall be a minimum of five feet (5') from a side property line at the front lot line except on cul-de-sacs. (Ord. 2015-15, 10-8-2015)
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