CEZinc

Metallurgy Sector

Periodic maintenance

Emergency stop 24/24

Year of realization: 2014 to 2017

Location: Salaberry-de-Valleyfield

Value of work: $2 million contract / $1 million annual planned shutdown

Challenges Met

Carry out the work within the agreed upon schedule and quickly react to the unexpected need for additional work (that had not been considered beforehand) without adding men for labour. The experience and resourcefulness of the employees involved led to the ultimate success of this planned shutdown. The person in charge of the CNESST held two safety meetings daily throughout the shutdown, in order to prevent work-related accidents.

Description of the project

Carry out safe annual planned maintenance work:

Work on the drag chain conveyor
Welding work on the ball mill
Welding work on the Rotary Cooler
Replacement and repair of calcine pumps
Work on the acid plant, replacement of pumps, repair of the high concentration acid line
Work on the steam line at 600 lbs, replacement of valves, safety valves, conduit, etc.
Work on weak acid line, repair, conduits, CPVC, PVC and FRP components
Mechanical work on centrifugal, column, peristaltic and progressive cavity pumps (Moyno)
Cleaning and replacement of PVC and FRP pipes from 8″ Ø to 48″ Ø
Repair work on steel structure (CWB | CSA W47.1)
Welding repair work on steam boiler
Laser alignment of pump, gearbox and motor
High pressure welding on mild and stainless steel
Installation of a new plate heat exchanger and piping

Réalisations

CEZinc