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yard drains and manholes. Existing deteriorated storm pipe is replaced by this crew as needed. <br />This will take place with assistance from other crews within the ROW division, for multiple <br />persons and heavy equipment will be needed to perform this task. <br />Off -Street Ditching Crew <br />All off-street ditches that receive public street water need to be cleaned once per year. This <br />includes residential back and side yard ditches that receive public street water run-off. This <br />activity includes mowing slopes and access roads on large outfall ditches with slope mowers <br />during the growing season. The ROW tractors and crew will assist with this process and <br />scheduling. <br />Residential off-street ditches that do not receive street water are the responsibility of the <br />property owners; however the city will unstop drains and pipe ends at the end of the drainage <br />system, if required. <br />Street -side Ditching Crew <br />All street -side ditches will be inspected once per year to determine if maintenance is required. <br />Ditches that need maintenance (debris removal, grading or brush removal) will be cleaned once <br />a year or on a rotating schedule. The crew takes care of all the street -side ditches and hand <br />clean ditches if grading is not necessary. Ditches are mechanically cleaned if re -grading is <br />needed. Mechanical re -grading is done by a mini track hoe for shallow ditches and a Gradall <br />and/or track hoe for wider and deeper ditches. A Street Division crew will assist with most of <br />the roadside ditches as has been done historically. <br />ANNUAL SCHEDULE FOR DITCH CREW <br />The city is divided into four sections, called quadrants that are divided by NW, SW, SE, NE. <br />The city's ditch schedule is performed in counter -clockwise rotation, starting from the <br />innermost ditches to the outermost ditches. This cycle repeats every month. <br />The schedule is as follows, with allowance for flexibility. <br />First week of every month, crew will be in the NW quadrant. <br />Second week of every month, crew will be in SW quadrant. <br />Third week of every month, crew will be in SE quadrant. <br />Fourth week of every month, crew will be in NE quadrant. <br />3 <br />