A Review of the Event Analysis of Systemic Teamwork Methodology

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HFIDTC/WP1.1.3/10 Version 2/ 31 October 2005 Table 5 – Extract of CDA analysis Task Step Agent Step No. Task Work Team Work Comm SA DM MA Lead Ad Ass TOT CO- ORD Mode TOT CO- ORD Mean 1.1.1 WOK control room operator Use phone to contact NOC 1 1.1.2 WOK control room operator Exchange identities 1 3 3 1 1 1 1 1 1.00 1.57 NOC control room operator 1.1.3 WOK control room operator Agree SSC documentation 1 3 3 3 1 1 1 1 1.00 1.86 NOC control room operator 1.1.4.1 NOC control room operator Agree SSC with WOK 1 3 3 3 1 1 1 1 1.00 1.86 1.1.4.2 NOC control room operator Agree time with WOK 1 3 3 3 1 1 1 1 1.00 1.86 1.1.5.1 NOC control room operator Record details onto log sheet 1 1.1.5.2 NOC control room operator Enter details into WorkSafe 1 1.2.1 NOC control room operator Ask for isolators to be opened 1 3 3 1 2 2 1 1 1.00 1.86 remotely 1.2.2 WOK control room operator Perform remote isolation 1 1.2.3 NOC control room operator Check barking s/s screen 1 1.2.4 WOK control room operator End communications 1 3 1 1 1 1 1 1 1.00 1.29 NOC control room operator 1.3.1 NOC control room operator Use phone to contact SAP at 1 Barking 1.3.2 NOC control room operator Exchange identities 1 3 3 1 1 1 1 1 1.00 1.57 SAP at Barking 11
HFIDTC/WP1.1.3/10 Version 2/ 31 October 2005 Table 6 – Agent Association matrix A B C D A 0 3 2 1 B 8 0 2 2 C 3 3 0 0 D 1 1 1 0 Table 7 – SNA results Agent B-L Centrality Sociometric Status SAP at Barking 2.16 6.33 NOC operator 2.16 6.00 REC operator 1.85 2.00 WOK control operator 1.85 3.66 A CUD was constructed in order to analyse the communications made and the comms technology used. An extract of the CUD for the switching scenario is presented in Figure 3-2. NGC 16 th June 2004 Scenario: Switching Operations Time NOC Control Room Operator SAP/AP at Barking Substation WOK Control Room Operator REC Control Room Operator Comms Effects of comms medium used Recommended comms 11:55 Contact NOC to agree SSC and transfer control to NOC + Sound is clear and stable + Comms is two way + Can look at site diagram/desktop screen at the same time + Confidentiality maintained - Data is not recorded. Information may be lost 11:56 Contact REC/EDF to confirm busbar reactor B operations complete + Ensures high Mobility + Sound is stable and clear + Comms is two way + Operator has hands free for other tasks - Battery may run out - Comms may be affected by poor signal - Data is not recorded, information may be lost 11:57 Contact REC to give instructions regarding substation circuit and POI’s + Sound is clear and stable + Comms is two way + Can look at site diagram/desktop screen at the same time + Confidentiality maintained - Data is not recorded. Information may be lost 12:17 Contact SAP at Barking to give switching instructions + Sound is clear and stable + Comms is two way + Can look at site diagram/desktop screen at the same time + Confidentiality maintained - Data is not recorded. Information may be lost Figure 3-2 – CUD extract 12
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A Review of the Event Analysis of Systemic Teamwork Methodology

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