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Evaluating the motions of a semi-submersible platform with respect to human response

Evaluating the motions of a semi-submersible platform with respect to human response
Evaluating the motions of a semi-submersible platform with respect to human response

The motions of a semi-submersible drilling platform have been evaluated so as to predict the effects on the comfort and activities of the crew. The horizontal motions at the drill floor exceeded the 'average threshold of perception' defined in International Standard 6897 (ISO 6897, 1984) by more than a factor of two; they were about half of the limit for the worst 10 min in five years for 'fixed offshore structures where work of a somewhat critical nature is carried out'. Other standards predict that the vertical motion would cause vomiting due to motion sickness in less than 5% of unadapted adults within the first 8h of exposure. The calculated probability of 'motion-induced interruptions' (loss-of-balance events) caused by deck motion was negligible. Notwithstanding the above conclusions, it is considered that current standards are insufficient to predict the effects of the motions of ships and floating platforms on the activities of the crew.

Motion sickness, Off-shore structures, Vibration
0003-6870
193-201
Lewis, Christopher H.
6a953646-70d2-4785-9f6d-ee6f90b16cd5
Griffin, Michael J.
24112494-9774-40cb-91b7-5b4afe3c41b8
Lewis, Christopher H.
6a953646-70d2-4785-9f6d-ee6f90b16cd5
Griffin, Michael J.
24112494-9774-40cb-91b7-5b4afe3c41b8

Lewis, Christopher H. and Griffin, Michael J. (1997) Evaluating the motions of a semi-submersible platform with respect to human response. Applied Ergonomics, 28 (3), 193-201. (doi:10.1016/S0003-6870(96)00065-8).

Record type: Article

Abstract

The motions of a semi-submersible drilling platform have been evaluated so as to predict the effects on the comfort and activities of the crew. The horizontal motions at the drill floor exceeded the 'average threshold of perception' defined in International Standard 6897 (ISO 6897, 1984) by more than a factor of two; they were about half of the limit for the worst 10 min in five years for 'fixed offshore structures where work of a somewhat critical nature is carried out'. Other standards predict that the vertical motion would cause vomiting due to motion sickness in less than 5% of unadapted adults within the first 8h of exposure. The calculated probability of 'motion-induced interruptions' (loss-of-balance events) caused by deck motion was negligible. Notwithstanding the above conclusions, it is considered that current standards are insufficient to predict the effects of the motions of ships and floating platforms on the activities of the crew.

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More information

Published date: June 1997
Keywords: Motion sickness, Off-shore structures, Vibration
Organisations: University of Southampton, Human Factors Research Unit

Identifiers

Local EPrints ID: 408576
URI: https://eprints.soton.ac.uk/id/eprint/408576
ISSN: 0003-6870
PURE UUID: f609b9bc-fd51-4e9a-8392-5375221951b9
ORCID for Michael J. Griffin: ORCID iD orcid.org/0000-0003-0743-9502

Catalogue record

Date deposited: 23 May 2017 04:03
Last modified: 19 Jul 2019 01:23

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