Hyper-Integrated Causal Analysis 
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Hyper-Integrated Causal Analysis (HCA) in Action
Case Study: Negative Trend

An independent BlueDragon Root Cause Analysis (RCA) was commissioned by the prime contractor at a Department of Energy installation that was under construction.  The site was experiencing a negative performance trend of dropped objects from cranes that were over 300 feet high. A total of 5 incidents had taken place over a period of 6 months. And although no one was injured, there were a few near misses.  

According to the Bureau of Labor Statistics (BLS), for the past few decades the leading causes of death on construction jobsites in the United States have been “Falls” and “Struck by Object.”  There are more than 50,000 “struck by falling object” OSHA recordable incidents every year in the United States. Because of the potential for serious injury, site management proactively decided to conduct a root cause analysis (RCA) on the adverse trend of dropped object events.  The RCA team consisted of Rob De La Espriella (the BlueDragon Team Lead), and four site volunteers in support roles. 

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BlueDragon's Hyper-Integrated Causal Analysis (HCA) is a two-phased approach that included the following activities, performed in a seamless and efficient manner:

Phase 1 - Analysis of available data and evidence to develop focused, evidence-based Lines of Inquiry.
 

  • Since this is a proactive RCA, there was no timeline.  However, every other element of the BlueDragon Framework was still used.   
     

  • A review of the Corrective Action Program database was conducted, to evaluate previous events, causal analyses and corrective actions taken to date.
     

  • An analysis of the defenses in place to prevent dropped objects was conducted. The analysis included approximately 32 administrative requirements that were evaluated for effectiveness.
     

  • From the insights gained during the Phase 1 data analysis, over 40 focused, evidence-based Lines of Inquiry were developed as the starting point for the Phase 2 causal analysis (Figure 2).  To develop the Lines of Inquiry, HCA used available information from the chart to conduct a seamless and integrated analyses that included: Comparative Timeline Analysis,Task Analysis, Change Analysis and Barrier Analysis
     

Phase 2 - Facilitated Causal Analysis sessions to identify the root causes and significant contributing factors.
 

  • There were approximately 8 facilitated causal analysis sessions conducted on-site at the client's facilities with users and process owners from 15 organizations, including Construction, Project Management, Engineering, Environmental Safety & Health, Quality Assurance, Subcontracts, Training, Human Resources, and the National Nuclear Site Security site office.  
     

  • The BlueDragon team facilitated causal analysis sessions with over 50 of the 15 organization's SMEs, using their expertise to answer the Lines of Inquiry and identify the deepest-seated (root) causes and significant contributing factors. 
     

  • The BlueDragon chart (Figure 2) captured the results of the causal analysis sessions live (in real-time), with the participants observing how their answers were documented (total transparency).  There are very few notes taken during this HCA process as the results are captured on the chart.
     

  • HCA calls for the results of the causal analysis to be validated by every group that participates.  By the end of the analysis, the results had been validated up through the senior managers that participated in the process.  
     

  • The entire on-site portion of the BlueDragon RCA was monitored by the Federal Government's Site Project Office.  

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Results: 

  • The two phases of the BlueDragon HCA were completed in 3.5-days.  This level of efficiency can only be achieved by integrating many of the methods and techniques that are customarily done separately. 
     

  • The RCA investigation identified 2 root causes, 5 significant contributing factors and 13 additional opportunities for improvement.  Note that the results are derived by the SMEs participating in the causal analysis process, and not by the RCA team in a vacuum. 
     

  • The exit briefing took place at the end of the 4th day. Briefings are conducted from the BlueDragon chart; no documentation was provided to management. 

Hyper-Integrated Causal Analysis (HCA) in Action

Case Studies 

NEAR MISS

At a Federal Government site, a non-electrical worker received a shock when he cut into a live wire with a current of 20 amps and 208 volts.  The area was being torn down in preparation for renovation...read more

Construction workers on work site

PROGRAM EVALUATION

The Procurement Program at a Federal Government site (part of the nuclear weapons complex) was analyzed to determine why there were recurring issues...read more 

Image by Daria Nepriakhina

REPETITIVE FAILURES

A Department of Defense Chemical Weapons Destruction Plant experienced seven consecutive failures of 4160v motors supplying three trains of vital breathing air...read more 

Image by Hoover Tung

NEGATIVE TREND

At a Federal Government construction site (part of the nuclear weapons complex), a negative trend of dropped objects from two cranes was proactively investigated before there were any major incidents...read more  

Image by david carballar

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