Concrete products, precast (except block, brick and pipe), manufacturing · New Hampshire

Tunnel - Londonderry

Londonderry, NH · ~15 workers · 3 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
21.5
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Tunnel - Londonderry runs at 651% of its industry's injury rate - far more dangerous than the typical Concrete products, precast (except block, brick and pipe), manufacturing workplace, earning a grade F.

Tunnel - Londonderry: 21.5 TCR = 651% of Concrete products, precast (except block, brick and pipe), manufacturing BLS 3.3 · 3y Form 300A (see methodology below)

Tunnel - Londonderry safety composite

Tunnel - Londonderry scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on total case rate (tcr) (safer than 1%), 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).

F

14/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 21.48 per 100 workers

Safer than 1% of industry peers

DART rate
F 19.11 per 100 workers

Safer than 1% 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%).

TCR Δ

−11.3

2019→2021

Tunnel - Londonderry injury rate improved

Tunnel - Londonderry's TCR fell 11.3 from 30.4 in 2019 to 19.1 in 2021. Peak filing year was 2019 at 30.4 TCR. In 2021, DART was 0.89× this establishment's average TCR (severity share of cases).

2019=30.4 · 2020=14.9 · 2021=19.1

OSHA ITA Form 300A scorecard

Establishment book 327390 · Londonderry, NH ABOVE-IND · SMALL

Grade F · TCR 21.5 · 651% of ind

  • DART 19.1 DART
  • RANK #10/11
  • PHOTO Coreslab Structures …
  • BOOK 3y book
  • INJ 7 inj
  • SIZE ~15 FTE

Nearest TCR peer: Coreslab Structures (Conn.) Inc. (0.3 TCR gap)

Read with this employer → · Industry book → · New Hampshire employers → · Look up another →

Tunnel - Londonderry in the TCR neighbourhood

Average Total Case Rate among this establishment and nearest same-industry peers

TCR

What this shows Tunnel - Londonderry averages 21.5 TCR (651% of the Concrete products, precast (except block, brick and pipe), manufacturing BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-08-25

Tunnel - Londonderry TCR series: 2019=30.4 · 2020=14.9 · 2021=19.1 · BLS 3.3

Where Tunnel - Londonderry falls in its industry

790 Concrete products, precast (ex establishments

Safer than 1% of graded establishments in this industry, whose median TCR is 4.6.

More dangerous than peersSafer than peers

Narrower to New Hampshire alone (the establishments it most directly competes with for workers and contracts): ranked #10 safest of 11 Concrete products, precast (ex employers in New Hampshire.

Tunnel - Londonderry (15 employees, TCR 21.5) among 29 same-industry peers, split at the industry median of 52 employees and a TCR of 4.6 2×2 strategic matrix plotting 30 entities by Average employees (X) and Total Case Rate (Y), with a crosshair dividing the plot into four quadrants. Larger & higher-riskSmaller & higher-riskLarger & saferSmaller & safer than peers 0100200300400 0510152025 Average employees Total Case Rate Tunnel - Londonderry
Tunnel - Londonderry (15 employees, TCR 21.5) among 29 same-industry peers, split at the industry median of 52 employees and a TCR of 4.6

Tunnel - Londonderry has fewer employees than the Concrete products, precast (except block median and a higher injury rate than the industry's median TCR of 4.6. 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 Fatalities
2021 19.1 19.1 1 0 0
2020 14.9 14.9 2 0 0
2019 30.4 30.4 4 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

327390 · NH · Londonderry

790 Concrete products, precast (except block, brick and pipe), manufacturing employers nationwide with a credible TCR · 2,718 rated employers in New Hampshire with headcount on file · 105 employers in Londonderry, NH · 4 cross-state NAT-TCR peers. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR Coreslab Structures (Conn.) Inc. 21.8 TCR
NAICS-TCR Stone Building Products, LLC d/b/a Signature Stone 21.8 TCR
NAICS-TCR Construction Products, LLC of Tennessee 21.1 TCR
NAICS-TCR Alico 21.1 TCR
STATE-SIZE Sundial Administration 15 FTE
STATE-SIZE Tunnel - OH 15 FTE
STATE-SIZE NH-Nashua 15 FTE
STATE-SIZE Jo Jo's Country Store 15 FTE
CITY-NEAR L3Harris 893 FTE
CITY-NEAR L3 Technologies, Insight Division 857 FTE
CITY-NEAR HARVEY BUILDING PRODUCTS, LONDONDERRY NH 532 FTE
CITY-NEAR Market Basket #42 524 FTE
NAT-TCR HG615 21.5 TCR
NAT-TCR Villa at Bryn Mawr 21.5 TCR
NAT-TCR Paraiso Campus 21.5 TCR
NAT-TCR CNS DFW Clinic & Residential 21.5 TCR

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: 2021, 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.