WAC 296-304-05005
Guarding of deck openings and edges. (1) When employees are working in the vicinity of flush
manholes and other small openings of comparable size in the
deck and other working surfaces, such openings shall be
suitably covered or guarded to a height of not less than 30
inches, except where the use of such guards is made
impracticable by the work actually in progress.
(2) When employees are working around open hatches not
protected by coamings to a height of 24 inches or around other
large openings, the edge of the opening shall be guarded in
the working area to a height of 36 to 42 inches, except where
the use of such guards is made impracticable by the work
actually in progress.
(3) When employees are exposed to unguarded edges of
decks, platforms, flats, and similar flat surfaces, more than
5 feet above a solid surface, the edges shall be guarded by
adequate guardrails meeting the requirements of WAC 296-304-05001 (9)(a) and (b), unless the nature of the work in
progress or the physical conditions prohibit the use or
installation of such guardrails.
(4) When employees are working near the unguarded edges
of decks of vessels afloat, they shall be protected by buoyant
personal flotation devices, meeting the requirements of WAC 296-304-09017(1).
(5) Sections of bilges from which floor plates or
gratings have been removed shall be guarded by guardrails
except where they would interfere with work in progress. If
these open sections are in a walkway at least two 10-inch
planks placed side by side, or equivalent, shall be laid
across the opening to provide a safe walking surface.
(6) Gratings, walkways, and catwalks, from which sections
or ladders have been removed, shall be barricaded with
adequate guardrails.
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050,
49.17.060. 07-03-163, § 296-304-05005, filed 1/24/07,
effective 4/1/07; 03-04-099, § 296-304-05005, filed 2/4/03,
effective 8/1/03; Order 74-25, § 296-304-05005, filed 5/7/74.]