National Technical Reports Library

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Guidelines for Application and Use of Interlock Safety Devices.

PB83120162

Publication Date	1981
Page Count	54
Abstract	The results of a study of automatic interlock devices which are used throughout industry to enhance safety in various working environments are discussed. The four major hazards wherein interlock devices could be used to automatically control the hazard are described. Examples of the hazards are discussed. The location, selection and type of interlocks are summarized. Guidelines for effective interlock application are reviewed. The authors recommend that an engineering evaluation of manual versus automatic methods of performing safety functions necessary to control the four generic hazards described in this report be performed and that an independent study of court decisions where the use, failure, or lack of use of interlocks was the determining factor in deciding a case be conducted.
Keywords	Machine design Safety devices Accident prevention Locking Industrial accidents Switching systems Guidelines
Source Agency	National Institute for Occupational Safety and Health
NTIS Subject Category	94H - Industrial Safety Engineering 94F - Tooling, Machinery, & Tools
Corporate Authors	Boeing Aerospace Co., Houston, TX.; National Inst. for Occupational Safety and Health, Cincinnati, OH.
Document Type	Technical Report
NTIS Issue Number	198303
Contract Number	PHS-NIOSH-210-79-0024

Guidelines for Application and Use of Interlock Safety Devices.

Guidelines for Application and Use of Interlock Safety Devices.
PB83120162

Publication Date	1981
Page Count	54
Abstract	The results of a study of automatic interlock devices which are used throughout industry to enhance safety in various working environments are discussed. The four major hazards wherein interlock devices could be used to automatically control the hazard are described. Examples of the hazards are discussed. The location, selection and type of interlocks are summarized. Guidelines for effective interlock application are reviewed. The authors recommend that an engineering evaluation of manual versus automatic methods of performing safety functions necessary to control the four generic hazards described in this report be performed and that an independent study of court decisions where the use, failure, or lack of use of interlocks was the determining factor in deciding a case be conducted.
Keywords	Machine design Safety devices Accident prevention Locking Industrial accidents Switching systems Guidelines
Source Agency	National Institute for Occupational Safety and Health
NTIS Subject Category	94H - Industrial Safety Engineering 94F - Tooling, Machinery, & Tools
Corporate Authors	Boeing Aerospace Co., Houston, TX.; National Inst. for Occupational Safety and Health, Cincinnati, OH.
Document Type	Technical Report
NTIS Issue Number	198303
Contract Number	PHS-NIOSH-210-79-0024