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IMPACT OF CONTROL ROOM CONSOLIDATION ON OPERATOR WORKLOAD

NEWSLETTER ARTICLE

One of the analytic techniques utilized by Beville is the Subjective Workload Assessment Technique, or SWAT. With this technique the amount of mental workload imposed on an operator by various unit upsets can be measured. In the course of Beville's control room analyses it was discovered that there was a difference in the amount of mental workload imposed upon operators in consolidated versus non-consolidated control rooms.

Ten off-normal situations were evaluated at two hydrocrackers of similar size, with the major difference being that one was part of a consolidated control center. Those events that were specific to a hydrocracker (e.g., compressor trip) had equivalent workload levels at both refineries. Those events that required inter-unit coordination (e.g., low fuel gas, low hydrogen) imposed significantly less mental workload on those operators in the consolidated control center.

The conclusion: Appropriate control room consolidation should lower operator mental workload requirements for multiple unit upset situations.

Copyright 1987 Beville Operator Performance Specialists, Inc., All Rights Reserved

For further information, visit the links below.

| Workload/Staffing Analysis Overview | Steady State Workload Staffing Analysis | Steady State Job Samples | Upset Response Staffing Analysis | Overtime Calculator -Excel download |


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BEVILLE NEWS

The 2024 Spring Meeting of the Center for Operator Performance will take place on April 16-18, 2024, in Pine Bend, MN/Hybrid. For more information on this and future meetings, please contact Lisa Via. Guests are always welcome!

Our most recent newsletter is now available. Click here!


David Strobhar's book, "Human Factors in Process Plant Operation," is now available in both hardcover and Kindle e-book.

Copyright 1996-2024 Beville Operator Performance Specialists, Inc. All rights reserved. (937)434-1093. Beville@Beville.com