DEPLOYDatabase

Deployment

Robbins Main Beam TBM at Dallas

The Robbins Main Beam TBM is the company's signature hard rock tunnel boring machine, designed for competent rock conditions. Robbins pioneered the modern TBM design in 1952 and has continuously refined the Main Beam for projects ranging from 3m to over 13m diameter. These machines have set world records for tunnel excavation rates.

Robbins Main Beam TBM by The Robbins Company · Catalog entry · 1 source · not yet field-verified

Track Robbins Main Beam TBM at Dallas

Recent coverage

See all coverage →

A Robbins Main Beam TBM underwent an unprecedented in-tunnel diameter change from 11.6m to 9.9m on the Mill Creek Drainage Relief Tunnel project in Dallas, Texas.

Exposure

Customer segment
research
Scale tier
commercial 10 99

Each exposure value carries its own basis marker. Aggregators report a number; this surface preserves the source class so verification depth travels with the value.

Safety record

No incidents on record for Robbins Main Beam TBM at Dallas.

Only active incidents are counted. Retracted incidents are excluded from this summary but remain reachable at their canonical URLs.

Trust tier
Catalog entry · 1 source · not yet field-verifiedhow tiers work →
Last updated
2026-08-21
Model
Robbins Main Beam TBM
Company
The Robbins Company
Location
United States/Texas/Dallas
Operator
The Robbins Company
Status
operational
Scale at site
11 to 100 units
Site environment
outdoor
Location precision
verified coordinates
First seen
2020-01-01
ID
8990fb54-c0f1-4105-9078-2f4c8b158629

Timeline

  1. Jan 2020
    First recorded
    Robbins Main Beam TBM first documented operating at Dallas.
  2. Aug 2026
    Current status: operational, reviewed
    Latest recorded state. New status transitions append here as the deployment-status recorder produces them.

On the deployment map

Free to use on your site, with a link back to DEPLOY.

Robbins Main Beam TBM operates in Dallas. Explore the full verified map:

Robot-delivery corridors

Dallas is covered by DEPLOY’s robot-delivery corridor tracking. See the corridor view:

Sources (1)

  1. Unprecedented TBM Diameter Change - Robbins · https://www.robbinstbm.com/ · 2020-01-01
Methodology: Verified · 1 source (no primary) · last reviewed 2026-08-21

Verification posture

Verified

Low confidence

Review state

Stable

Last reviewed 2026-08-21

Maturity + lifecycle

Maturity stage: production

Lifecycle: active

Architectural position

Cohort: other

Sources by quality tier

1
unclassified
Unclassified source

The framework is documented at /methodology. Corrections at /corrections. Reviewer: DEPLOY editorial team.

Methodology surface for Robbins Main Beam TBM at Dallas.

Common questions

What is the Robbins Main Beam TBM deployment at Dallas?
Robbins Main Beam TBM, built by The Robbins Company, is recorded as a deployment at Dallas on the DEPLOY registry. The Robbins Company operates the deployment directly.
Who operates Robbins Main Beam TBM at Dallas?
The Robbins Company, the manufacturer of Robbins Main Beam TBM, operates this deployment directly. This is a maker-deploys-its-own-product arrangement rather than a customer pilot.
When did the Robbins Main Beam TBM deployment at Dallas go live?
The deployment is recorded as starting January 1, 2020 on the DEPLOY registry. Earlier activity may exist but is not yet sourced.
Have there been incidents at the Robbins Main Beam TBM deployment at Dallas?
No active incidents affecting this deployment are recorded on the DEPLOY registry. Absence of recorded incidents is not a guarantee no incident occurred; DEPLOY records only sourced incidents and suppresses retracted ones.

Deploy Watch

Track this deployment.

We notify you when status changes against primary-source evidence, contract events surface, or a related incident is filed.

Machine-readable surfaces