Urban transit systems, mixed mode (e.g., bus, commuter rail, subway combinations) · Puerto Rico

ACI-HERZOG A Joint Venture

Name: ACI-HERZOG A Joint Venture Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Guaynabo, PR · ~343 workers · 3 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

A
Excellent Safety Record: 2.2
Avg TCR: 4.5
Industry avg: 0
Fatalities

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The verdict

ACI-HERZOG A Joint Venture runs at 50% of its industry's injury rate - far safer than the typical Urban transit systems, mixed mode (e.g., bus, commuter rail, subway combinations) workplace, earning a grade A.

ACI-HERZOG A Joint Venture: 2.2 TCR = 50% of Urban transit systems, mixed mode (e.g., bus, commuter rail, subway combinations) BLS 4.5 · 3y Form 300A (see methodology below)

ACI-HERZOG A Joint Venture safety composite

ACI-HERZOG A Joint Venture scores strongest on total case rate (tcr) (safer than 86% of same-industry peers) and weakest on fatalities (safer than 51%), blended into one 0-100 breakdown against same-industry peers. A missing measure drops out and redistributes its weight rather than deflating the score. This is a per-dimension breakdown, distinct from the single letter grade above it (which weights TCR alone against the BLS industry benchmark).

72/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): B 2.23 per 100 workers

Safer than 86% of industry peers
DART rate: C 2.2 per 100 workers

Safer than 70% of industry peers
Fatalities: D 0

Safer than 51% of industry peers

Benchmarked live against every credibly-rated employer in the same NAICS industry code in the current OSHA extract (a segment must have at least 8 rated peers to benchmark). Not a legal or compliance determination; PlainSafetyScore's own weighting (TCR 40%, DART 35%, fatalities 25%).

ACI-HERZOG A Joint Venture held a steady TCR band

ACI-HERZOG A Joint Venture's TCR held near 0.3 from 2.5 in 2017 to 2.8 in 2019. In 2019, DART was 0.99× this establishment's average TCR (severity share of cases).

2017=2.5 · 2018=1.3 · 2019=2.8

OSHA ITA Form 300A scorecard

Establishment book 485111 · Guaynabo, PR AT/BELOW-IND · MID

Grade A · TCR 2.2 · 50% of ind

DART 2.2 DART
RANK #1/5
PHOTO 55825 - Eden Prairie
BOOK 3y book
INJ 19 inj
SIZE ~343 FTE

Nearest TCR peer: 55825 - Eden Prairie (0.0 TCR gap)

Read with this employer → · Industry book → · Puerto Rico employers → · Look up another →

Norfolk Tide F

2.3
This site

2.2
55825 - Eden P

2.2
Gateway

2.2
1953-3153

2.2

What this shows ACI-HERZOG A Joint Venture averages 2.2 TCR (50% of the Urban transit systems, mixed mode (e.g., bus, commuter rail, subway combinations) BLS benchmark).

ACI-HERZOG A Joint Venture TCR series: 2017=2.5 · 2018=1.3 · 2019=2.8 · BLS 4.5

Where ACI-HERZOG A Joint Venture falls in its industry

421 Urban transit systems, mixed m establishments

Safer than 86% of graded establishments in this industry, whose median TCR is 5.8.

Grade A

More dangerous than peersSafer than peers

Narrower to Puerto Rico alone (the establishments it most directly competes with for workers and contracts): ranked #1 safest of 5 Urban transit systems, mixed m employers in Puerto Rico.

ACI-HERZOG A Joint Venture (343 employees, TCR 2.2) among 29 same-industry peers, split at the industry median of 217 employees and a TCR of 5.8

ACI-HERZOG A Joint Venture has more employees than the Urban transit systems, mixed mode (e.g., median and a lower injury rate than the industry's median TCR of 5.8. Workforce size and injury rate do not always move together within the same industry -- some of its smaller peers run higher rates than its larger ones, and vice versa.

Year-by-Year Safety Data

Year	TCR	DART	Injuries	Illnesses
2019	2.8	2.2	9	0
2018	1.3	1.0	4	0
2017	2.5	1.4	6	1

OSHA ITA peer cross-reference

Establishment peer ledger

485111 · PR · Guaynabo

421 Urban transit systems, mixed mode (e.g., bus, commuter rail, subway combinations) employers nationwide with a credible TCR · 1,632 rated employers in Puerto Rico with headcount on file · 109 employers in Guaynabo, PR · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel	Establishment	Place	Metric
NAICS-TCR	55825 - Eden Prairie	EDEN PRAIRIE, MN	2.2 TCR
NAICS-TCR	Gateway	LOS ANGELES, CA	2.2 TCR
NAICS-TCR	1953-3153	CHICAGO, IL	2.2 TCR
NAICS-TCR	Norfolk Tide Facility	HAMPTON, VA	2.3 TCR
STATE-SIZE	WM 1822	FAJARDO	343 FTE
STATE-SIZE	Unit #2751	SAN JUAN	343 FTE
STATE-SIZE	ACI-Herzog, Joint Venture	GUAYNABO	343 FTE
STATE-SIZE	SAN JUAN (PRSJU)	CAROLINA	343 FTE
CITY-NEAR	Antilles Services	Guaynabo	1,349 FTE
CITY-NEAR	CLARO / PRT - Roosevelt	Guaynabo	1,346 FTE
CITY-NEAR	CLARO / PRT - Roosevelt 1513 & 1515	Guaynabo	1,114 FTE
CITY-NEAR	FB New Team Guaynabo I Branch	Guaynabo	587 FTE
NAT-TCR	The Coca-Cola Company - Howard, PA Plant	Howard, PA	2.2 TCR
NAT-TCR	CECO Concrete : San Antonio	San Antonio, TX	2.2 TCR
NAT-TCR	Jackson, Alabama Sawmill	Jackson, AL	2.2 TCR
NAT-TCR	5472-Swy 0035 1482	Baltimore, MD	2.2 TCR
NAT-SIZE	Perry Memorial Hospital	Princeton, IL	343 FTE
NAT-SIZE	4813-48130009-Freeman Expo San Francisco	South San Francisco, CA	343 FTE
NAT-SIZE	Shell Permian - Midland Field Office	Midland, TX	343 FTE
NAT-SIZE	Location 19022	Miami, FL	343 FTE

Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →

Data Source: OSHA Injury Tracking Application (ITA), mandatory establishment-level injury/illness reports. Grades compare employer Total Case Rate (TCR) to BLS IIF industry benchmarks. Data covers years reported by this establishment: 2019, 2018, 2017. This is publicly available government data - not a legal determination of workplace conditions.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from official public datasets. See our methodology for details.