# Robbins Main Beam TBM at Dallas, Texas, USA: deployment

Canonical ID: `8990fb54-c0f1-4105-9078-2f4c8b158629`

A [Robbins Main Beam TBM](/models/robbins-main-beam-tbm.md) underwent an unprecedented in-tunnel diameter change from 11.6m to 9.9m on the Mill Creek Drainage Relief Tunnel project in Dallas, Texas.

**Trust tier:** Unverified

_Last updated: 2026-08-01_

- **Slug:** robbins-main-beam-tbm-dallas-texas-usa
- **Status:** operational
- **Model:** [Robbins Main Beam TBM](/models/robbins-main-beam-tbm.md) (id: `7299f4df-0090-4b77-ac6e-8037c0b0f4e3`)
- **Company:** [The Robbins Company](/companies/robbins-company.md) (id: `c1c9b003-44b2-45c0-a4e3-e89e7867bb3e`)
- **Location:** [Dallas, Texas, USA](/locations/dallas-texas-usa.md) (id: `61c6a921-aebd-4bb3-9e8d-d4298d5cb7d5`)
- **First seen:** 2020-01-01T00:00:00.000Z

## Verification log (0, append-only)

_No verifications recorded._

## Sources (1)

1. **Unprecedented TBM Diameter Change - Robbins** · https://www.robbinstbm.com/ · 2020-01-01

## Common questions

### What is the Robbins Main Beam TBM deployment at Dallas, Texas, USA?

Robbins Main Beam TBM, built by The Robbins Company, is recorded as a deployment at Dallas, Texas, USA on the DEPLOY registry. The Robbins Company operates the deployment directly.

### Who operates Robbins Main Beam TBM at Dallas, Texas, USA?

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, Texas, USA 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, Texas, USA?

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.


_API: GET /v1/robots/8990fb54-c0f1-4105-9078-2f4c8b158629 · feeds: GET /v1/feeds?deploymentId=8990fb54-c0f1-4105-9078-2f4c8b158629 · canonical URL: /deployments/robbins-main-beam-tbm-dallas-texas-usa_