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Contact with Hot Meal

1 What is the name of the 2 What are its specific objectives related to the Priority Unwanted
Event (PUE)?
critical control for Contact
with Hot Meal?
Hot Meal Containment Ensure hot meal containment system integrity throughout the entire kiln production
campaign.

3 What are the critical 4 What are the activities 5 What can be sampled from
within the management
control performance
the set of activities for
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?
Refractory and steel envelope of raiser Inspection and maintenance CMMS records from prior maintenance
duct, preheater vessels & ducts, and in Computerized Maintenance shutdowns including corrective
TAD are brought back to good condition Management System (CMMS) per maintenance performed
during the kiln major maintenance Corporate CEM guidance
shutdowns to ensure it will hold during Number of hot spots detected during
the next production campaign Classified as highest priority and critical production campaign
equipment in CMMS

Kiln back-end seal, plates, feedshelf Inspection and maintenance in CMMS CMMS records from prior maintenance
and refractory are brought back to per Corporate CEM guidance shutdowns including corrective
good condition during the kiln major Classified as highest priority and critical maintenance performed
maintenance shutdowns to ensure it equipment in CMMS Amount of hot meal spillage during
will hold during the next production production campaign
campaign

Daily routine inspection to detect Daily Inspection routine (included in walk- CMMS backlog of work orders for next
preheater and kiln back-end condition by inspection) major shutdown
(absence of refractory, cracked, burned Refractory work backlog for next major
or overheated steel) shutdown

Kiln back end seal and tertiary air duct Daily Inspection to verify condition of the Daily Inspection records and cleaning
elbow are equipped with secondary containment barrier and filling level frequency
containment of hot material

6 What is the target performance for critical 7 What is the critical control performance
trigger for shutdown, critical control review or
control?
investigation?
All the inspections and maintenance are carried out 100% with- Unauthorised deferment of refractory/envelope repairs without
out any deferments. There is no leakeage of hot meal during the Plant Manager’s written authorisation
production campaign due to loss of refractory or burned steel
envelope

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