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<br />they tend to experience movement and vibration, It is preferable to have pipes cross over a levee <br />rather than through or beneath it. If a pipe must pass through or beneath a levee, the design <br />engineer should adhere to the Corps of Engineers EM 1110-2-1913 for specific criteria and <br />guidelines, <br /> <br />Maintenance and Inspection: Constructed levees should be maintained and inspected <br />by the owner annually and immediately following major flood events, Levee owners should also <br />provide access to Division of Wildlife and/or Colorado Water Conservation Board officials for <br />periodic inspections, Inspection and maintenance should address the following items: Erosion, <br />settlement, scouring, seepage, sand boils, trees and bushes, revetment, rodent burrows, special <br />structures (pipes, etc,), and access, <br /> <br />c:\seca\technica1\levee criteria.doc <br /> <br />4 <br />