Smoke is visible from the large pile of rubbish that is about 15 metres high, 40 metres long and 30 metres wide.
There are no flames after firefighters sprayed water on the pile.
One pumper, three tankers, one compressed air foam tanker, one breathing apparatus unit, the Hazmat unit, two RFS units and a Commander are on site.
The fire in not located in the same area where waste from the Mr Fluffy demolitions is.
Fire crews are awaiting the arrival of machinery to break apart the pile and will remain on site for several hours.
Update to follow.