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A closed gate at the Babine Forest Products Sawmill in Burns Lake on Dec. 5, 2012. (John Lehmann/The Globe and Mail)
A closed gate at the Babine Forest Products Sawmill in Burns Lake on Dec. 5, 2012. (John Lehmann/The Globe and Mail)

SAFETY

Report calls for code changes after B.C. mill blast Add to ...

A B.C. safety agency has urged changes for sawmill owners and to the fire and electrical codes in an effort to mitigate the risks from explosive levels of wood dust and to prevent the kind of explosion that killed two mill workers last year.

The B.C. Safety Authority, which oversees the safe installation and operation of equipment and administers B.C.’s Safety Standards Act, made nine recommendations about wood dust in a report on Tuesday.

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It said that the Canadian Standards Association should classify wood dust as combustible, and improvements should be made to the requirements around natural gas and propane codes.

“Wood dust can have explosion and fire hazard characteristics similar to other known dusts that are identified as combustible dusts in the Canadian Electrical Code,” the report said.

The report noted the U.S. Occupational Safety and Health Administration has classified fine wood dust as having “strong explosion” characteristics.

“Wood dust and potential ignition sources exposed to wood dust are required to be managed. Locations where wood dust accumulates or is suspended in atmosphere are considered hazardous locations.”

The B.C. Safety Authority investigation followed an explosion and fire last year that killed two sawmill workers and injured 20 others at Babine Forest Products on Jan. 20, 2012, near Burns Lake, in B.C.’s north-central Nechako region.

The sawmill tragedy – the first of two fatal mill explosions in 2012 – destroyed the Babine mill and killed employees Robert Luggi, 45, and Carl Charlie, 42.

An investigation already conducted by WorkSafe BC blamed dry wood dust that had accumulated from pine-beetle-killed wood and was ignited by machine parts.

“Our aim was to conduct a thorough investigation and learn all we could to prevent the recurrence of similar incidents,” Greg Paddon, the group’s director of technical programs, said in a media release.

“Now we can use that knowledge to initiate improvements toward the management of safety risks.”

For mill operators, the authority recommended qualified professionals should identify areas in sawmills with dust hazards that could catch fire, and mills should develop better ways to manage that dust.

The fire commissioner should publish a list of qualifications professionals must meet if they want to identify wood dust and explosion hazards, the report states.

The report’s recommendations are directed at mill owners and operators, the Office of the Fire Commissioner in B.C., as well as the Canadian Standards Association.

Babine Forest Products said in a media release it hasn’t analyzed the report, but the safety agency’s work will ensure sawmills are safer in the future.

At the time of the blast, it added, the company had equipment designed to reduce wood dust, but “the scope of the hazard was not fully understood.”

A new mill announced in early December will include state-of-the-art equipment to collect wood dust at its source, the company said. “It will have equipment, building and floor plans designed to facilitate cleanup and reduce areas where wood dust can accumulate.”

 

 

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