English to Spanish Tech/Engineering Construction / Civil Engineering

El contexto es un manual de requerimientos de seguridad para el trabajo en obras de construcción:

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Visual warning devices or an alert process must be implemented should the automated anti-collision devices be disabled or switched off for any approved duration (e.g. arising from a maintenance or crane climbing operation).

The crane boom/jib safe operating envelope must be identified for each item of crane hoisting equipment on a ***crane radius plan/range diagram***.

All crane rotating hoisting equipment must be adequately guarded by physical barriers to prevent the potential for entanglement.