Custodial services · Delaware

Chimes District of Columbia, Dover Airforce Base

Name: Chimes District of Columbia, Dover Airforce Base Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Dover, DE · ~45 workers · 4 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

A
Excellent Safety Record: 2.1
Avg TCR: 4.5
Industry avg: 0
Fatalities

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The verdict

Chimes District of Columbia, Dover Airforce Base runs at 46% of its industry's injury rate - far safer than the typical Custodial services workplace, earning a grade A.

Chimes District of Columbia, Dover Airforce Base: 2.1 TCR = 46% of Custodial services BLS 4.5 · 4y Form 300A (see methodology below)

Chimes District of Columbia, Dover Airforce Base safety composite

Chimes District of Columbia, Dover Airforce Base scores strongest on total case rate (tcr) (safer than 68% of same-industry peers) and weakest on dart rate (safer than 23%), 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).

48/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): C 2.08 per 100 workers

Safer than 68% of industry peers
DART rate: F 3.98 per 100 workers

Safer than 23% of industry peers
Fatalities: D 0

Safer than 50% 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%).

TCR Δ

−0.4

2019→2023

Chimes District of Columbia, Dover Airforce Base injury rate improved

Chimes District of Columbia, Dover Airforce Base's TCR fell 0.4 from 4.3 in 2019 to 4.0 in 2023. Peak filing year was 2019 at 4.3 TCR. In 2023, DART was 1.91× this establishment's average TCR (severity share of cases).

2019=4.3 · 2020=0.0 · 2022=0.0 · 2023=4.0

OSHA ITA Form 300A scorecard

Establishment book 561720 · Dover, DE AT/BELOW-IND · SMALL

Grade A · TCR 2.1 · 46% of ind

DART 4.0 DART
RANK #7/18
PHOTO Chimes District of C…
BOOK 4y book
INJ 2 inj
SIZE ~45 FTE

Nearest TCR peer: Chimes District of Columbia, Pentagon (0.0 TCR gap)

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This site

2.1
Chimes Distric

2.1
SEJ Services L

2.1
Brandon Region

2.1
SMS 1637

2.1

What this shows Chimes District of Columbia, Dover Airforce Base averages 2.1 TCR (46% of the Custodial services BLS benchmark).

Chimes District of Columbia, Dover Airforce Base TCR series: 2019=4.3 · 2020=0 · 2022=0 · 2023=4 · BLS 4.5

Where Chimes District of Columbia, Dover Airforce Base falls in its industry

4,064 Custodial services establishments

Safer than 68% of graded establishments in this industry, whose median TCR is 3.2.

Grade A

More dangerous than peersSafer than peers

Narrower to Delaware alone (the establishments it most directly competes with for workers and contracts): ranked #7 safest of 18 Custodial services employers in Delaware.

Chimes District of Columbia, Dover Airforce Base (45 employees, TCR 2.1) among 29 same-industry peers, split at the industry median of 56 employees and a TCR of 3.2

Chimes District of Columbia, Dover Airforce Base has fewer employees than the Custodial services median and a lower injury rate than the industry's median TCR of 3.2. 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
2023	4.0	4.0	1
2022	0.0	0.0	0
2020	0.0	0.0	0
2019	4.3	4.3	1

OSHA ITA peer cross-reference

Establishment peer ledger

561720 · DE · Dover

4,064 Custodial services employers nationwide with a credible TCR · 1,487 rated employers in Delaware with headcount on file · 138 employers in Dover, DE · 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	Chimes District of Columbia, Pentagon	WASHINGTON, DC	2.1 TCR
NAICS-TCR	SEJ Services LLC - Corporate	NORTH CHARLESTON, SC	2.1 TCR
NAICS-TCR	Brandon Regional Hospital - EVS	BRANDON, FL	2.1 TCR
NAICS-TCR	SMS 1637	NASHVILLE, TN	2.1 TCR
STATE-SIZE	JT Hoover Conrete	BEAR, DE	45 FTE
STATE-SIZE	Bear Materials LLC	NEWARK	45 FTE
STATE-SIZE	V&S Delaware Galvanizing LLC	NEW CASTLE	45 FTE
STATE-SIZE	WAWA SITE - 852	NEW CASTLE	45 FTE
CITY-NEAR	Kent General Hospital	Dover	3,064 FTE
CITY-NEAR	DE00000045 GOODWILL INDUSTRIES - RODNEY	Dover	1,028 FTE
CITY-NEAR	DE00000047 GOODWILL INDUSTRIES - GATEWAY	Dover	1,028 FTE
CITY-NEAR	DEL0000222 Dover Janitorial	Dover	1,028 FTE
NAT-TCR	INX International Ink Co. (3900)	Homewood, IL	2.1 TCR
NAT-TCR	Southwest Tactical, LLC	El Paso, TX	2.1 TCR
NAT-TCR	Banjo Corporation	Crawfordsville, IN	2.1 TCR
NAT-TCR	Distribution Unlimited, Inc.	Schenectady, NY	2.1 TCR
NAT-SIZE	Adcole LLC	Marlborough, MA	45 FTE
NAT-SIZE	Us Autoforce Houston	Houston, TX	45 FTE
NAT-SIZE	Oscoda Plastics, Inc.	Oscoda, MI	45 FTE
NAT-SIZE	America's Thrift Store #28	Biloxi, MS	45 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: 2023, 2022, 2020, 2019. 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.