MORT Safety Assurance Systems Johnson

In MORT Safety Assurance Systems, Johnson wrote succinctly about the multifactorial aspect of incident causation, as in the following ... 

Johnson, W. G, 1980 MORT Safety Assurance System, Marcel Dekker Inc. NY, N.Y,... 

Johnson, W. G. (1980). MORT Safety Assurance Systems. New York National Safety Council and Marcel Dekker. 

Before discussing risk assessment techniques, it is worthwhile to review what produces hazards. A recent definition of an accident by W. G. Johnson, former General Manager of the National Safety Council professional staff and author of MORT Safety Assurance Systems, provides an excellent basis for determining what produces hazards. According to Mr. Johnson, the elements involved in an accident are ... 

MORT Safety Assurance System, William G. Johnson, Marcel Dekker Inc., New York Basel, 1980, pgs.23, 58. 

In MORT Safety Assurance Systems by WilMam G. Johnson, the chapter on The Safety Function also quotes the ASSE Scope and Functions of the Professional Safety Position (p. 463). Introduction to Safety Engineering by David S. Gloss and Miriam Gayle Wardle contains the only reference I found in a safety-related text that speaks of the requirements of a profession. This is what they wrote. 

William G. Johnson, in MORT Safety Assurance Systems, also implies that severity potential needs greater emphasis. He writes ... 

Use of Heinrich s ideas has led to oversimplification and has encouraged identifying a single causal factor for incidents focusing on employee error. Johnson makes these statements about accident causation in MORT Safety Assurance Systems ... 

MORT Safety Assurance Systems by William G. Johnson... 

Guide to Use of the Management Oversight and Risk Tree, SDDC-103. Idaho Falls, ID U.S. Department of Energy, Office of Safety and Quality, 1994. Johnson, William G. MORT Safety Assurance Systems. New York Marcel Dekker, 1980. 

This statement, with which I emphatically agree and often repeat, comes from MORT Safety Assurance Systems by William G. Johnson. 

MORT Safety Assurance Systems by WilMam G. Johnson This text serves well both for incident causation model building and for incident investigation. The accident investigation chapter states that while accident investigation has always been a major element in safety, pre-accident hazard analysis is preferable (p. 347). 

System safety professionals have achieved notable successes, and generalists in the practice of safety can learn valuable lessons from them. In MORT Safety Assurance Systems, William G. Johnson made the following comments, with which I agree, about accompKshments that could not have been achieved without applying system safety concepts. 

And it is appropriate to recognize that system safety concepts were foundational in the development of MORT (management oversight and risk tree). References to system concepts are frequent in Johnson s MORT Safety Assurance Systems and in other literature on MORT. 

In MORT Safety Assurance Systems, a 1980 pubhcation, William G. Johnson refers to work done by R. J. Nertney, who developed a provocative method of examining the successive phases in hardware-procedure development and also examining the all important interfaces between those three elements. Elements in the Nertney system are... 

Johnson, William G. 1980. MORT Safety Assurance Systems New York Marcel Dekker. 

The MORT chart and user s manual are also reproduced in MORT Safety Assurance Systems, by William G. Johnson (published by Marcel Dekker, Inc., New York, 1980, in cooperation with the National Safety Council available from the NSC, 444 North Michigan Avenue, Chicago, Illinois, 60611). Working with the 22-inch by 34-inch chart is much easier than working from the dissections of the chart found in MORT Safety Assurance Systems. 

In MORT Safety Assurance Systems, WiUiam Johnson makes references to change analysis throughout the book as he discusses applying the Management Oversight and Risk Tree (MORT). Richard Stephens s System Safety for the 21st Century Contains a chapter titled Change Analysis. ... 

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