Agenda - 05-06-2010 - 4m - Laserfiche WebLink

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An area with a"low"incidence ranking means that less than 1.5%of the area has experienced a landslide in the past. An area with a"moderate"incidence ranking means that between 1.5% and 15% of the area has experienced a landslide in the past. An area with a "high" incidence ranking means that greater than 15% of the area has experienced a landslide in the past. The susceptibility rankings of"low","moderate" and"high"follow the same percentage classifications for landslide susceptibility for a specific area. The overall likelihood of occurrence of a landslide in Orange County,including the Town of Carrboro and Town of Hillsborough,can be classified as "moderate,"especially the southeastern quadrant of the county, which includes the Town of Carrboro, due to the soil types and slopes found in the county. � History of Landslides in Orange County There are no records of landslides occurring in Orange County although the hazard is classified as "moderate" due to soil types and topography,especially in the southeastern � portion of the county. Plane Crash Orange County is located approximately 20 miles west of RDU (Raleigh-Durham)Airport. In addition, Horace Williams Airport, a non-commercial airport, is located in Chapel Hill. Some approach and take-off zones for Horace Williams Airport are over the town limits of Carrboro. The vulnerability of the county and its municipalities to a plane crash is minimal but does exist. RDU Airport,which is centrally located between the city limits of Raleigh and Durham, is a major commercial airport that is also open to the public for general aviation use. The airport has an air traffic control tower and three(3)runways. The main runway, which is concrete/wired/combed construction, is 10,000 feet long and 150 feet wide. A second runway, with an asphaldgrooved surface,is 7,500 feet long and 150 feet wide. The third runway, which is asphalt surfaced, is 3,570 feet long and 100 feet wide. There are an average of 662 airport operations per day with the following categorization by type: 38% air talci, 33% commercial,26%transient general aviation,2%military,and<1% local general aviation. Horace Williams Airport,located in Chapel Hill,is operated by the University of North Carolina at Chapel Hill(LTNC-CH) and is open to the public for general aviation use. The small airport does not have an air traff'ic control tower. It is equipped with one(1) asphalt- surfaced runway which is 4,005 feet long by 75 feet wide. Aircraft are limited in weight to no more than 12,500 pounds. There are an average of 30 airport operations per day with the following categorization by type: 76% local general aviation, 19%transient general aviadon, 5% air taxi, and 1%military operations. The following table is a history of aviation incidents in Orange County,including the Town of Carrboro and Town of Hillsborough,from January 1, 1964 through December 31,2008: 27