OSHA Inspection: SPECIALTY MILLWORKS

Issued

May 22, 2007

Abate by

Sep 1, 2007

Penalty

Initial $375 · Current $263 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
were causing or likely to cause death or serious physical harm to
employees in that employees
were exposed to severe burn injuries from the potential dust explosion
hazard that could have
resulted from or could have been exacerbated by, the use of multiple
indoor enclosureless dust
collectors in the same room that were not separated from each other by at
least  6.1 meters (20
feet), the use of nonconductive PVC duct on enclosureless systems, the use
of an indoor
enclosureless dust collector to collect the dust from a sander; and did
not locate the air moving
device on the clean air side of the dust collect where the moisture
content was not in excess of
25 percent and the system did not have a listed spark detection
extinguishing system and abort
gate, or either a deflagration relief venting or deflagration suppression
system:
(a)Main Shop Block Building - The employer used an enclosureless dust
collector
to collect the dust from the sander, on or about March 28, 2007.
(b)Main Shop Block Building - The employer did not ensure that the
enclosureless
dust collector for the sander was at least 6.1 meters (20 feet) away from
the
enclosureless dust collector for the double spindle shaper, on or about
March 28,
2007.
(c)Main Shop Block Building - The employer did not ensure that the fan was
located
on the clean air side of the "dust collector" to minimize the potential
for ignition
of the particles due to factors including but not limited to frictional
heat from the
fan motor, impact of the impeller and bearing or fan impeller failure, on
or about
March 28, 2007.
(d)Small Red Block Building - The employer used nonconductive ducts such
as
PVC
pipes on enclosureless ventilation systems including but not limited to the
Kraemer Model KTM 2-6 two (2) horsepower system serial number 23401 on the
table saw on or about March 28, 2007.
AMONG OTHER METHODS, ONE FEASIBLE AND ACCEPTABLE ABATEMENT
METHOD TO CORRECT THESE HAZARDS INCLUDES FOLLOWING NFPA 664
STANDARD FOR THE PREVENTION OF FIRES AND EXPLOSIONS IN WOOD
PROCESSING AND WOODWORKING FACILITIES, 2007 EDITION, INCLUDING
BUT NOT LIMITED TO: ENSURE ENCLOSURELESS DUST COLLECTORS ARE
NOT USED ON SANDERS OR PLANERS HAVING MECHANICAL MATERIAL
FEEDS; ENSURE THAT ALL DUCTWORK IS METALLIC AND THAT NON
CONDUCTIVE DUCTS SUCH AS PVC PIPES ARE NOT USED; ENSURE WHERE
MULTIPLE COLLECTORS ARE LOCATED IN THE SAME ROOM THEY ARE
SEPARATED FROM EACH OTHER BY AT LEAST 6.1 METERS (20 FEET); AND
ENSURE THAT AND BLOWERS ARE LOCATED IN ONE OF THE FOLLOWING
LOCATIONS: 1) ON THE CLEAN AIR SIDE OF THE DUST COLLECTORS,
REGARDLESS OF THE MOISTURE CONTENT OR PARTICLE SIZE OF THE
MATERIAL BEING CONVEYED, 2) UPSTREAM OF THE DUST COLLECTOR
WHEN THE MATERIAL BEING CONVEYED HAS A MOISTURE CONTENT INEXCESS OF 25
PERCENT (WET BASIS), 3) UPSTREAM OF THE DUST
COLLECTOR WHEN THE MATERIAL BEING CONVEYED HAS A MOISTURE
CONTENT OF LESS THAN 25 PERCENT (WET BASIS) AND A CONCENTRATION
OF SUB 420 MICRON PARTICULATE, LESS THAN 75 PER CENT OF THE
MINIMUM EXPLOSIBLE CONCENTRATION (MEC), AND THE DUCT
DOWNSTREAM OF THE FAN IS EQUIPPED WITH A LISTED SPARK
DETECTION EXTINGUISHING SYSTEM AND AN ABORT GATE TO DIVERT
MATERIAL TO A SAFE LOCATION; 4) UPSTREAM OF THE DUST COLLECTOR
WHEN THE MATERIAL BEING  CONVEYED HAS A MOISTURE CONTENT OF
LESS THAN 25 PERCENT (WET BASIS) AND A CONCENTRATION OF SUB-420
MICRON PARTICULATE, IN EXCESS OF 75 PERCENT OF THE MEC, AND THE
DUCT AND DUST COLLECTOR ARE EQUIPPED WITH EITHER DEFLAGRATION
RELIEF VENTING OR DEFLAGRATION SUPPRESSION SYSTEMS; 5) UPSTREAM
OF AN ENCLOSURELESS DUST COLLECTOR REGARDLESS OF THE MOISTURE
CONTENT OR THE PARTICULATE SIZE OF THE MATERIAL BEING
CONVEYED.
VERIFICATION REQUIRED

Issued

May 22, 2007

Abate by

Aug 1, 2007

Penalty

Initial $375 · Current $263 Reduced

Issued

May 22, 2007

Abate by

Jun 24, 2007

Penalty

Initial $375 · Current $263 Reduced

Issued

May 22, 2007

Abate by

Sep 1, 2007

Issued

May 22, 2007

Abate by

Jul 24, 2007

Issued

May 22, 2007

Abate by

Jun 24, 2007

Penalty

Initial $375 · Current $263 Reduced

Issued

May 22, 2007

Abate by

Jun 24, 2007

Issued

May 22, 2007

Abate by

Jun 24, 2007

Issued

May 22, 2007

Abate by

Aug 1, 2007

Penalty

Initial $225 · Current $155 Reduced

Issued

May 22, 2007

Abate by

Aug 1, 2007

Issued

May 22, 2007

Abate by

Aug 1, 2007

Issued

May 22, 2007

Abate by

Jun 24, 2007

Penalty

Initial $375 · Current $263 Reduced

Issued

May 22, 2007

Abate by

Nov 15, 2007

Issued

May 22, 2007

Abate by

Nov 15, 2007

Issued

May 22, 2007

Abate by

Nov 15, 2007

Issued

May 22, 2007

Abate by

Jul 1, 2007