OSHA Inspection: WEYERHAEUSER NR COMPANY

Issued

Jun 24, 2009

Abate by

Sep 30, 2009

Penalty

Initial $1,875 · Current $900 Reduced

General-duty citation text

Section 5(a)(1) of the Occupational Safety and Health Act of 1970:  The
employer did not
furnish employment and a place of employment which were free from
recognized hazards that
caused or were likely to cause death or serious physical harm in that
employees were exposed
to the hazard of potential fire and explosion from North Yard cyclone and
dust collectors not
designed to minimize damage that would occur in the event of a dust
explosion inside the
cyclone or dust collector:
The north yard cyclone and bag house were not designed to minimize damage
that would occur
in the event of a dust explosion:
a) The cyclone did not have explosion protection, suppression isolation or
inerting or explosion
system.
b) The dust collector did not have propagation isolation devices to
prevent explosion flame front
from entering the building.
AMONG OTHER METHODS, ONE FEASIBLE AND ACCEPTABLE ABATEMENT
METHOD TO CORRECT THIS HAZARD is to comply with the National Fire
Protection
Association (NFPA) 664 "Standard for the Prevention of Fire and Explosion
in Wood Processing
and Woodworking Facilities," 2002 edition; NFPA 654 "Standard for the
Prevention of Fire and
Explosion from Manufacturing, Processing and Handling of Combustible
Particulate Solids"
2006 edition; NFPA 69 "Standard on Explosion Prevention Systems" 2008
edition; NFPA 68
"Standard on Explosion Protection by Deflagration Venting" 2007 edition,
including but not
limiting to:
a) Equip cyclone with deflagration venting or deflagration suppression
system.
b) install propagation isolation device between the cyclone and dust
collector
c) install propagation isolation devices between the dust collector and
plant
building.