Live · Refreshed 4 min ago · Risk Management workspace

Employees with > 60 hrs OT in the prior 30 days
are 2.4× more likely to report an industrial injury.

Implements OIG Recommendation 3 — automated correlation of overtime patterns to industrial-injury filings. Strongest signal: Maintenance of Way mechanics on 7+ consecutive days.

Open correlation ↗
Window · 30d preceding OT Department · All (12) Classification · All Injury type · All
OT-correlated injuries · 12 mo
142
▲ 18%vs. prior year
Risk multiplier (>60 hrs)
2.4×
vs. baseline
Avg lost-time days
8.2d
per injury
Estimated WC cost
$3.84M
▲ 12%12 mo
OT hours (prior 30d) vs injury rate · per 100 FTE
Each dot = a department-month · color = severity · click to drill
High severity Medium Low
12 9 6 3 0 0 25 50 75 100 hrs OT hours · prior 30 days Injuries / 100 FTE r = 0.78 · p < 0.001 2.4× risk above 60 hrs
Department-level injury rate
12-mo · per 100 FTE · click row to drill
Sort · Rate ↓
Maintenance of Way
94 OT-correlated injuries · 286 staff
9.8per 100 FTE
Train Operations
62 injuries · 412 staff
5.4per 100 FTE
Power & Mechanical
22 injuries · 198 staff
4.2per 100 FTE
BART Police
14 injuries · 184 staff
3.1per 100 FTE
Stations
8 injuries · 232 staff
1.8per 100 FTE
Injury types correlated with OT
12 mo · weighted by lost-time days
Soft-tissue / strain
Avg 9.4 lost-time days · 62 cases
$1.62MWC est.
Slips/trips/falls
Avg 6.8 days · 38 cases
$0.92MWC est.
Cumulative trauma
Avg 14.2 days · 22 cases
$0.84MWC est.
Vehicle / equipment
Avg 5.6 days · 14 cases
$0.32MWC est.
Other / misc
Avg 3.1 days · 6 cases
$0.14MWC est.
Recommended interventions
Generated from correlation model · cleared with HR & Safety
⏱ Cap consecutive 12-hr shifts to 4 in a row
Departments affectedMoW · Power & Mech
Projected injury reduction−18%
OT impact+$0.4M (redistribute)
🛏 48-hr rest after 60+ OT/30d
Departments affectedAll
Projected injury reduction−12%
OT impact−$0.2M (deferred)
🦺 Targeted ergonomics training
CohortMoW · 286 employees
Projected injury reduction−9% (soft-tissue)
Cost~$120K
🤝 Hire backfill (see Hire vs OT)
Linked CBATrain Operator I · 24 FTE
Projected injury reduction−14%
Net annual benefit+$2.19M