TCB Industrial has been awarded a gate indicator shaft repair scope supporting control accuracy at a hydroelectric facility in Northern California. Gate indicator systems provide critical feedback to operators, confirming gate position and supporting safe, precise control of water flow.

This award focuses on restoring mechanical integrity of indicator shafts to ensure reliable position indication.

Importance of indicator accuracy

Accurate gate position feedback is essential for safe turbine operation, coordination with control systems, and compliance with operating procedures. Mechanical degradation in indicator shafts can lead to erroneous readings, delayed response, or inconsistent feedback.

Repairing these components improves confidence in control actions and reduces operational risk.

Execution approach

TCB’s work begins with documentation of as-found conditions and reference measurements to preserve alignment and orientation. Repairs are planned to restore mechanical integrity while maintaining compatibility with existing control interfaces.

Where removal or replacement is required, components are handled carefully to avoid damage to mating surfaces and linkages.

Precision and verification

Indicator systems rely on consistent geometry. TCB emphasizes verification during reassembly to confirm that repaired shafts provide smooth movement and accurate translation of gate position.

Functional checks are performed to validate restored performance before turnover.

Safety considerations

Work is coordinated with operations to ensure gates remain in a safe state throughout execution. Lockout and control measures are verified to prevent unintended movement during repair activities.

What this award represents

This project highlights TCB’s ability to execute precision mechanical repairs that directly support control system reliability in hydroelectric environments.