At a cost of $72 million dollars, the Irving Oil Refinery has begun a fall maintenance project.
1200 additional workers are giving a full inspection to major processing units at the facility until the middle of November.
The units being worked on include the number three crude unit and sulphur plant.
Officials point out the maintenance work will not disrupt it's regular schedules or customers needs.
The extra workers are trades-people from all across the Province and the country.
