Current through Register Vol. 24-06, March 15, 2024
(1) Track or swing cutoff circular saw.
(a) Manually operated track or swing circular
cutoff saws of the following types must be set up, guarded and operated in
accordance with chapter 296-806 WAC, Machine safety:
(i) Saws into which materials to be cut are
fed or positioned and/or held in position by hand pressure during the cutting
stroke;
(ii) Saws on which the
cutting stroke is propelled by manual (hand) pressure; and
(iii) Saws on which the operator is within
arm's reach of the blade when the blade is fully extended to the limit of
operating travel and the operator is standing at the operator's normal control
station/location.
(b)
Large track or swing circular cutoff saws into which materials to be cut are
fed by powered live rolls, conveyor belts and/or chains and which are operated
from a remote operator's control station, defined as beyond arm's reach when
the blade is fully extended to the limit of operating travel, must be set up,
guarded and operated in accordance with the following:
(i) A power operated track or swing cutoff
circular saw must have controls so arranged that operators are not positioned
directly in front of the saw while making a cut.
(ii) All track or swing cutoff circular saws
must be completely encased or guarded when the saw is in the retract position,
except for that portion of the guard that must be left open for the operation
of the saw.
(iii) Track or swing
cutoff circular saw guards must be constructed of sheet metal not less than
one-eighth inch thick, or a wood guard of not less than nominal two inch thick
wood material, or equivalent.
Hinged or removable doors or gates will be permitted where
necessary to permit adjusting and oiling.
(iv) The driving belt(s) on the track or
swing cutoff circular saw must be guarded in accordance with chapter 296-806
WAC, Machine safety.
(v) A safety
catch must be provided to prevent the track cutoff saw from leaving the
track.
(2)
Overhead deck splitter - Panagraph.
(a)
Panagraph splitters must have a shroud incorporated on the upper pressure plate
to eliminate the possibility of the splitter moving from the operating area.
This shroud must be constructed of solid design with a minimum width of three
inches and a minimum thickness of three-eighths inch.
(b) Mechanically operated overhead splitters
must have handles moving opposite the stroke of the piston.
(c) When the leading edge of the panagraph
splitter is completely extended, the maximum clearance from the deck to the
splitting edge must be two inches.
(3) Power splitter saw. Power splitters must
have spreaders behind the saw to prevent materials from squeezing the saw or
being thrown back on the operator. The top of the saw must be completely
covered.
(4) Knee bolter circular
saw.
(a) A safety catch must be provided to
prevent the bolter carriage from leaving the track.
(b) Bolter saws must be provided with a
canopy guard of sheet metal not less than one-eighth inch thick, or cast iron
guard not less than three-sixteenths inch thick or a wood guard of not less
than nominal four inch thick wood material or equivalent.
The bolter canopy guard must completely enclose the rear
portion of the saw. It must be so arranged and adjusted as to cover the front
of the saw; not to exceed twenty inches from the top of the carriage to the
bottom of the guard on sixteen inch and eighteen inch block and twenty-six
inches on twenty-four inch blocks, of the material being cut.
(c) Bolter saws must be provided with wipers
of belting or other suitable material. These wipers must be installed on both
sides of the saw in such a manner as to deflect knots, chips, slivers, etc.,
that are carried by the saw.
(d) A
positive device must be provided and used to manually lock and hold the feed
table in the neutral position when not in use.
(e) That portion of all bolter saws which is
below and behind the saw table must be guarded by the exhaust hood or other
device. Hinged or removable doors or gates will be permitted where necessary to
permit adjusting and oiling.
Statutory Authority:
RCW
49.17.010,
49.17.040,
49.17.050, and
49.17.060. 04-14-028, §
296-78-70503, filed 6/29/04, effective 1/1/05. Statutory Authority: Chapter
49.17 RCW. 96-17-056, § 296-78-70503, filed 8/20/96, effective 10/15/96.
Statutory Authority:
RCW
49.17.040,
49.17.050 and
49.17.240. 81-18-029 (Order
81-21), § 296-78-70503, filed
8/27/81.