Page 83 - Critical Control flipbook_Neat

Structural Collapse

1 What is the name of 2 What are its specific objectives related to the Priority Unwanted
the critical control for
Event (PUE)?
Structural Collapse?
Safe Operating Limits Installations are operated according to load, vibration and temperature limits

3 What are the critical 4 What are the activities 5 What can be sampled from
the set of activities for
within the management
control performance
requirements to meet the systems that support verification, providing a
objectives? having the critical control clear image of the critical
able to do what is required? control status?
Silos, bins, hoppers are not loaded Safe Operating Limits identified and Review Safe Operating Limits in
beyond safe operating limit documented in drawings documentation
Confirm with field observation and
current use / load

Process interlocks in place to avoid Inspection and testing of Review inspection records
exceeding of operating limits (overfilling, instrumentation and interlocks, where Review history logs confirming interlocks
thermal, pressure or vibration overloads in place worked as expected
of silos bins, hoppers)

Roofs and platforms are not loaded Structural load limits for roofs and Review corrective actions from inspection
beyond safe operating limits platforms identified and documented program
Inspection program to ensure safe Field observation to check condition of
operating limits are not exceeded roofs and platforms

6 What is the target performance for critical 7 What is the critical control performance
trigger for shutdown, critical control review or
control?
investigation?
Awareness and adherence to load limits and interlocks in place/ Exceeding operational limits, deformation or collapse of
effective structural members, or process interlock malfunction

Creation date: 01/2021 • The latest and only controlled version of this document is available on the HSE intranet.
© 2021 Holcim - For internal use only