Assessing, Coding, and Marking of Highway Structures in Emergency Situations, Volume 2: Assessment Process Manual (2016) / Chapter Skim
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Pages 55-58
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55 C H A P T E R 6 6.1 Marking System A coding and marking system was developed to support uniform communication between PDARs, inspectors, maintenance crews, engineers, and others as necessary. The terms INSPECTED, LIMITED USE, and UNSAFE were chosen to be consistent with the process used for buildings (i.e., ATC-20)
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56 Assessing, Coding, and Marking of Highway Structures in Emergency Situations: Assessment Process Manual Figure 6-1. Example marking placard.
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Coding and Marking Guidelines 57 In addition to posting a highway structure, it may be necessary to designate restricted use of certain parts of the structure. These can be hazardous areas on or around the highway structure.
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58 Assessing, Coding, and Marking of Highway Structures in Emergency Situations: Assessment Process Manual moderate damage-level rating, the structure should be marked as UNSAFE. If a non-structural element (e.g., bridge parapet, tunnel railing, and overhead sign catwalk)
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