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Examples of high-risk jobs where a written permit-to-work procedure may need to be used include hot work (such as welding), confined space entry, cutting into pipes carrying hazardous substances (breaking containment), diving in the vicinity of intake openings, and work that requires electrical or mechanical isolation.
Examples include high altitudes and unventilated, confined spaces. The OSHA definition is arguably broad enough to include oxygen-deficient circumstances in the absence of "airborne contaminants", as well as many other chemical, thermal, or pneumatic hazards to life or health (e.g., pure helium, super-cooled or super-heated air, hyperbaric or ...
Ships and other vessels commonly have confined spaces due to the need for compartmentalized watertight construction. [4] The exact definition of a confined space varies depending on the type of industry. Until recently confined spaces on a construction site were defined differently than confined spaces in General Industry such as a paper mill ...
OSHA is a small agency, given the size of its mission: with its state partners, OSHA has approximately 2,400 inspectors covering more than 8 million workplaces where 130 million workers are employed. In Fiscal Year 2012 (ending Sept. 30), OSHA and its state partners conducted more than 83,000 inspections of workplaces across the United States ...
Common hot work processes involve welding, soldering, cutting, brazing burning and the use of powder-actuated tools or similar fire producing operations outside of designated hot work areas. When flammable materials are not present, industrial processes such as grinding and drilling become cold work processes.
Confined space rescue is a subset of technical rescue operations that involves the rescue and recovery of victims trapped in a confined space or in a place only accessible through confined spaces, such as underground vaults, storage silos, storage tanks, or sewers. A warning label on a storage tank, indicating that it is a confined space.
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This is a list of welding processes, separated into their respective categories. The associated N reference numbers (second column) are specified in ISO 4063 (in the European Union published as EN ISO 4063 ). [ 1 ]