Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The Changing World of Underwater Bridge Inspections
In 1968, following several highly publicized fatal collapses of bridges in various parts of the country, the Federal Highway Administration (FHWA) bridge inspection program was mandated as a part of the Federal-Aid Highway Act of that year. This mandate required that the National Bridge Inspection Standards (NBIS) be established to require states to identify bridge deficiencies in order to protect the traveling public. Over the next two decades, various modifications to the NBIS were made: the 1970 Federal-Aid Highway Act; the Surface Transportation Assistance Act of 1978; and the Surface Transportation and Uniform Relocation Assistance Act of 1987. This final federal act required states to have underwater inspections performed at a minimum of every five years if components of the bridge were in more than four feet of water. Just two years after the NBIS was established, the Occupational Safety and Health Act of 1970 brought about reform in protecting the safety of workers on the job. This act was in response to decades of poor on the job worker safety and several major fatal incidents that happened in the late 1960s. From this act, the Department of Labor established the Occupational Safety and Health Administration (OSHA) to develop worker safety standards to protect employees in the work place. Over the next several years, OSHA developed directives as part of the OSHA standard to address numerous areas of job safety. In 1978, OSHA published the directive 29 CFR 1910 Subpart T, which addressed commercial diving operations and specific safety requirements that these operations were to follow. Since 1987, divers have been following the requirements of the NBIS and adhering to the OSHA safety standards when conducting underwater bridge inspections. However, over the last two years (starting in 2005), both the NBIS and OSHA directive addressing commercial diving operations were changed. Divers must follow these new regulations in order to legally and safely perform underwater inspections of substructures of the nation's bridges. Of course, the changes make improvements on the requirements to help insure that the traveling public remains safe; that the deterioration of bridges is identified and mitigated; and those conducting the inspections perform them safely.
The Changing World of Underwater Bridge Inspections
In 1968, following several highly publicized fatal collapses of bridges in various parts of the country, the Federal Highway Administration (FHWA) bridge inspection program was mandated as a part of the Federal-Aid Highway Act of that year. This mandate required that the National Bridge Inspection Standards (NBIS) be established to require states to identify bridge deficiencies in order to protect the traveling public. Over the next two decades, various modifications to the NBIS were made: the 1970 Federal-Aid Highway Act; the Surface Transportation Assistance Act of 1978; and the Surface Transportation and Uniform Relocation Assistance Act of 1987. This final federal act required states to have underwater inspections performed at a minimum of every five years if components of the bridge were in more than four feet of water. Just two years after the NBIS was established, the Occupational Safety and Health Act of 1970 brought about reform in protecting the safety of workers on the job. This act was in response to decades of poor on the job worker safety and several major fatal incidents that happened in the late 1960s. From this act, the Department of Labor established the Occupational Safety and Health Administration (OSHA) to develop worker safety standards to protect employees in the work place. Over the next several years, OSHA developed directives as part of the OSHA standard to address numerous areas of job safety. In 1978, OSHA published the directive 29 CFR 1910 Subpart T, which addressed commercial diving operations and specific safety requirements that these operations were to follow. Since 1987, divers have been following the requirements of the NBIS and adhering to the OSHA safety standards when conducting underwater bridge inspections. However, over the last two years (starting in 2005), both the NBIS and OSHA directive addressing commercial diving operations were changed. Divers must follow these new regulations in order to legally and safely perform underwater inspections of substructures of the nation's bridges. Of course, the changes make improvements on the requirements to help insure that the traveling public remains safe; that the deterioration of bridges is identified and mitigated; and those conducting the inspections perform them safely.
The Changing World of Underwater Bridge Inspections
Rowe, Jeffrey B. (Autor:in)
Structures Congress 2009 ; 2009 ; Austin, Texas, United States
Structures Congress 2009 ; 1-7
29.04.2009
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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