Effects of human anthropometry and personal protective equipment on space requirements

Kozey, John W. and Brooks, Chris J. and Dewey, Sherma L. and Brown, Robert C. and Howard, Kimberly A. and Drover, Danika and MacKinnon, Scott and McCabe, John (2009) Effects of human anthropometry and personal protective equipment on space requirements. Occupational Ergonomics, 8 (2/3). pp. 67-79. ISSN 1359-9364

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Abstract

Representative samples of offshore workers engaged in the use of totally enclosed lifeboats were recruited in two different regions of Atlantic Canada for this study. Body mass, height and three selected anthropometric dimensions were measured with and without the presence of an immersion suit. Statistical comparisons were made between the two groups and to the main criteria values for body weight and space allocation used international standards for lifeboat capacity rating. There was no difference in the height, body mass and BMI values between the two groups. Both groups were found to be considerably heavier than the IMO Life Saving Code standard of 75 kg. Not surprisingly, the shoulder breadths measurements were always greater than the hip breadth measurements. The seat pan allocation of 430 mm was found to be inadequate for this population and needs to be increased. Finally, the wearing of an immersion suit increases the physical size of each subject by substantial amounts. The magnitude of increase is related to the type of suit and whether there was external compression applied during the measurement. It was recommended that the international standard should be altered by reducing the lifeboat capacity ratings by 20%

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