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ADOPTED BY THE CITY COUNCIL OF THE CITY OF ARDEN HILLS THIS 25TH DAY OF JUNE, 2012. incident reports and police should be notified, then the graffiti removed or covered as soon as possible. x Cleaning of Culverts – Culverts often become clogged with trash and debris that must be removed to prevent flooding and undercutting of trail surfaces. The cleaning of culverts will be accomplished on an “as needed” basis. x Trail Amenity and Signage Repair/Replacement – Amenities such as benches and swings will be inspected at least annually to make sure they are in good repair and safe for use. Trail signage should be replaced when they become unreadable due to age or damage. Signs related to safety are most important and should be considered a high priority. x Trailhead/Trail Crossings – Trailheads near intersections should be kept clear of trees and brush in order to keep a clear vision for both the trail user and oncoming traffic. Clear zones should be at least 15 feet from the street. Crosswalks should be provided for all trails that cross a street. Painted crosswalks will be repainted as needed. Maintenance Tools The City has tools to help coordinate trail maintenance. x Trail Inventory – A trail inventory is maintained for all maintained trails within the City. The inventory contains the location, surface type, overall length of trail and width of trail. x Trail Map- A current parks and trail map is maintained, indicating location of trail and surface type. x Trail Evaluation – The City has the trail surface conditions evaluated approximately every three years. These ratings are utilized to prioritize maintenance needs such as crack sealing, patching, resurface and reconstruction. Pavement Treatment Options Bituminous Recreation Trails are constructed for multipurpose use by pedestrians, bicyclists and in line skating. Expectations for the surface will vary from user to user. The City will utilize the following treatments that will allow for the most satisfaction by all user groups. x Crack Treatments – There are several types of crack treatments used in Minnesota. These treatments are designed to prevent moisture infiltration into the base and sub grade, which can cause pavement deterioration. These treatments may significantly improve the ride quality, especially for in-line skaters and bicyclists. x Asphalt Emulsions – Used in many preventative surface treatment applications, including slurry seals and micro surfacing. Asphalt emulsions can be defined as a mixture of asphalt binder, a surfactant and water. o Slurry Seal –Mixture of fine aggregate, asphalt emulsion and mineral filler. Slurry seals are used to retard surface raveling, seal minor cracks and improve surface friction. Seals the pavement surface from moisture infiltration and the