1 predict & prevent workplace injuries cary usrey implementation manager
TRANSCRIPT
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Predict & Prevent Workplace Injuries
Cary UsreyImplementation Manager
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Agenda
I. Overview– Why employ Predictive Analytics in Safety?
II. Predictive Analytics– How did we start?– What did our research find?– What are the implications for Safety Management?
III. Actual case examples
IV. Q&A
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~4,500
~125,000
Start with WHY
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Why?
4Source: U.S. Bureau of Labor Statistics, U. S. Department of Labor
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“A statistical plateau of worker fatalities is not an achievement, but evidence that this nation’s effort to
protect workers is stalled. These statistics call for nothing less than a
new paradigm in the way this nation protects workers.”
- ASSE President Terrie Norris
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Protection Detection Analytics & Prediction
1910 2010 2100
We need a new paradigm
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Agenda
I. Overview– Why employ Predictive Analytics in Safety?
II. Predictive Analytics– How did we start?– What did our research find?– What are the implications for Safety Management?
III. Actual case examples
IV. Q&A
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Key to predictive analytics?
Data
Safety inspection & observation data
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Inspection
Safe Observation
Unsafe Observation
What does a safety inspection look like?
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Why do we do make safety observations?
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Heinrich’s Pyramid
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US Occupational Fatal & Non Fatal Incidents
Source: New Findings On Serious
Injuries &Fatalities
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Has Heinrich’s Pyramid Collapsed?
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Two Questions?
Question-1: Can we predict incidents from safety inspection data?
Has been right 39% of the time in predicting the end of winter
- if we can predict we can prevent
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Two Questions cont…
Question 2: What can we learn from the world’s largest store of inspection data?
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Partnership
Our partners at the Language Technology Institute, Carnegie Mellon University
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Two questions
• Question-1: Can we predict incidents from safety inspection data?
• Question 2: What can we learn from the world’s largest store of inspection data?
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Model details• Data used from a four year period - January 2005
and December 2008– 313 Worksites– 38,121 Inspections– 2,492,920 Observations– 7,033 Incidents
• Train on 80% of the projects (selected randomly) and test on remaining 20%
• Averaged results over 10 such runs– Captured broad commonalities
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How good is the model?
• Predictions from a perfect model would lie on the red line
Incidents Predicted by Model
In
cid
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5 10 15
510
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Perfect Model
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How good is the model cont…
• Accurate over 85% of the time• R2 of 0.75
Incidents Predicted by Model
In
cid
en
ts t
ha
t A
ctu
all
y O
cc
urr
ed
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Two questions
• Question-1: Can we predict incidents from safety inspection data?
• Question 2: What can we learn from the world’s largest store of inspection data?
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From prediction to understanding
• Are there patterns in inspection data that reveal risk of an increase in incidents?– Yes! We found four simple safety truths
that organizations with good safety outcomes do
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Safety truth #1: More Inspections result in safer outcomes
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Safety truth #1: More Inspections result in safer outcomes
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Safety truth #1: More Inspections result in safer outcomes
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Safety truth #2: More quantity and diversity in safety inspectors result in safer outcomes
Widespread involvement performs best
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Safety truth #3: Too few unsafe observations indicate a poor safety outcome
Number of Unsafe Found
Low Medium High
High Incident projectsMedium Incident projects
Low Incident projects
Lo
wM
ediu
mH
igh
Fre
qu
ency
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Safety truth #4: Too many unsafe observations indicate an unsafe outcome
Number of Unsafe Found
Low Medium High
High Incident projectsMedium Incident projects
Low Incident projects
Lo
wM
ediu
mH
igh
Fre
qu
ency
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Safe clusters
Number of Unsafe Found
Low Medium High
High Incident projectsMedium Incident projects
Low Incident projects
Lo
wM
ediu
mH
igh
Fre
qu
ency
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Unsafe clusters
Number of Unsafe Found
Low Medium High
High Incident projectsMedium Incident projects
Low Incident projects
Lo
wM
ediu
mH
igh
Fre
qu
ency
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The risk curve
Robust safety culture
EngagementEmpowermentSupported by leadership
ExecutionProcessFeedbackAccountability
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Safety truths overview
• Do a large quantity of inspections
• Involve a wide & diverse population
• Empower to report unsafes
• Fix unsafe issues at the root cause
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Agenda
I. Overview– Why employ Predictive Analytics in Safety?
II. Predictive Analytics– How did we start?– What did our research find?– What are the implications for Safety Management?
III. Actual case examples
IV. Q&A
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How companies predict and prevent
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How organizations predict
From basic…
…to predictive models
…to advanced…
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Case Example: Manufacturer
BEFORE•Low levels of participation•Lagging data focused•Basic analytics•Unclear as to where to focus resources•Inconsistent results
AFTER•700% increase in inspections•3,000 leading indicator data points vs 21 lagging data points•Advanced/predictive analytics•Targeted improvement opportunities•Consistent results
– 76% decrease in TCIR– 88% decrease in DART– 97% decrease in Days Away
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Case Example: Utility Company
BEFORE•Low levels of participation•Lagging data focused – focused on zero incidents•Basic analytics•Unclear as to where to focus resources•Inconsistent results
AFTER•646% increase in inspections•Now focused on managing observable behaviors•Advanced/predictive analytics•Targeted improvement opportunities•Consistent results
– 54% decrease in TCIR
Incident Rate per M
onthSafe
ty
Insp
ectio
ns p
er
Mon
th
Southern Company Results
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There are many examples
Incident/Injury Reduction
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~4,500
~125,000
WHY
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Thank you and Questions
Cary UsreyImplementation Manager – Predictive Solutions•[email protected]
For additional information1.Our website www.predictivesolutions.com
– Whitepaper and videos on Four Safety Truths– Case studies (with videos) of both Cummins and
Southern Company– Other information on advanced/predictive analytics in
safety2.How to find “Start with why”…do an internet search for “Simon Sinek start with why”