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an importantfootstep toward
knowledgetransfer
Safety design
criteria of working stations-traps hauler and trawls supporting rack onboard lobster boats: :
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• Short comeback on February 2016 presentation
• 2017 Objectives: Comprehensive description of
both systems tested and general design criteria
Outlines
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Participatory approachReference framework
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• Basic principles
• Findings: Lobster vessels key features 2012-13
• Ethic
• Follow-up and experts committees
• Methodological reference framework
Participatory approach –
based on processes already inuse by lobstermen
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Reference framework-methodology
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Factors conducive to overboard falls prevention and
ergonomics
Overboard falls prevention1. Remove trawl (ropes) close to fisher's feet
2. Increase gunwale height to the hauler working station
3. Increase fishermen's handhold height on the trap’s bridle while hauling
4. Fisher standing far-off vessel bulwark
Ergonomics5. Use gunwale as a support for hauling lobster trap more easier
6. Use the hauler’s hydraulic power as much as possible
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1.Lobster boat, flat model: High inclined pivoting hauler-
trawls supporting rack with rope sliding chute- rope's
separating panel
2.Multipurpose lobster boat- Low hauler away from
bulwark-trawls supporting rack with rope sliding chute-
rope's separating panel
Thorough testing of the
systems being developed
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Lobster boat, flat model: High inclined pivoting hauler-trawls supporting rack with rope sliding chute- rope's separating panel
Haleur pivotant orientable Support avec goulotte développé par le capitaine
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Important design criteria
• Hauler : Midship or aft
• Trawl rack : port or starboard
• Rope separator’panel : High
Recommandations: Lobster boat, flat model: Deck arrangement-general view
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Important design criteria
• Hauler: Angle of rotation; rope guide length(l)
• Trawl rack: L (N traps); width= ⅔ traps mean
length
• Rope separator’panel: deck attachment; shift
with sheaves; workspace on both sides
General arrangement plan of the
lobster flat deck with
measurements
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Important design criteria
• Hauler: Heigth, tilted angle; vertical plane
sheaves; gunwale heigth
• Trawl rack: arranged for gunwale style
• Rope separator’panel: «Large size»
heigth
Lobster flat : longitudinal section, viewed from starboard with devices measurements
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Important design criteria
• Trawl supporting rack: rope chute; inner
wall raised→traps holder; slope; straight
or angled legs
• Rope separator’panel: notch rope guide;
bevelled upper margin → notch
Lobster flat : longitudinal section, viewed from starboard with devices measurements
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Multipurpose lobster boat-Low hauler away from bulwark-trawls supporting rack with rope sliding chute- rope's separating panel
BEFORE AFTER
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Multipurpose lobster boat-Low hauler away from bulwark-trawls supporting rack with rope sliding chute- rope's separating panel
Gunwale heigth: Before-After
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Recommandations: Lobster boat, Multipurpose: Deck arrangement-general port & starboard views
Important design criteria
Hauler: aft
Trawl rack: port or starboard
Rope separator’panel: low or middle heigth
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General arrangement plan of the multipurpose lobster boat deck with reference measurements
Important design criteria
Hauler: vertical support attached to deck, far-
off bulwark; trap reception device; raised
gunwale; no rope guide
Trawls rack: cast aluminum
Rope separator’panel: attached to the deck
and shifted towar trawls rack, working space
on both sides
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Multipurpose lobster boat: longitudinal section, viewed from
starboard with devices measurements
Important design criteria
Hauler: Heigth; raised bulwark
Trawl rack:
Rope separator’panel:removable
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Recommandations: Lobster boat, Multipurpose: Transverse section-transom removed
Important design criteria
Hauler: Cylindrical support or full plate,
rounded gunwale; traps receiveing device
Trawl rack: rope chute; inner wall
raised→traps holder; slope; straight or
angled legs
Rope separator’s panel: notch rope guide;
bevelled upper margin → notch
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• System with low hauler far-off bullwark (SLHF-OB) should be usable in the vast majority of Quebec’s lobster fishing boat since the decks are increasingly large
• SLHF-OB should be acceptable by Magdalen lobstermen since new actions to both working stations would be in continuity with their current practices
• SLHF-OB should also be acceptable to Gaspélobstermen because of the ease of loading the traps onboard safely and ergonomically.
Applicability, acceptability and
feasability of both systems
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• System with high tilted pivoting hauler (SHTPH) fitted out in stern fishing would also be applicable to a large majority since we observed it on lobster boats of all lengths
• SHTPH is already accepted by some Gaspé fisher, their number is growing.
• In the Maggies, work to raise awareness among boat owners should be carried out
Applicability, acceptability and
feasability of both systems
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• SHTPH, installed at midship, near the wheelhouse, is observed on some Gaspé lobster boats, however it remains to be confirmed that the proposed design marks would be applicable.
• In terms of feasibility, it would be possible for captains to modify their systems at reasonable costs by keeping them simple and recovering equipment and materials currently in use.
• The rope separating panel would be advantageous. However, its practicality should be well demonstrated since it is the innovative element of both systems
Applicability, acceptability and
feasability of both systems
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Falls overboard prevention (P) and
real-work fishing ergonomics (E)
Customized gunwale traps rack with rope’s chute• (P) A way to eliminate the rope on the deck during trawls catch and release
High tilted pivoting haulerAllow to raise the traps higher while freeing workspace in front of the fisher• (P) Fisher less lean over bulwark and (E) facing traps to set them easily on the gunwale
(P) Could allow the installation of a higher bulwark
• (E) Better use of hauler power effort lessening
Systems designed to improve operations at hauler and trawls rack working stations
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Low hauler far-off bulwarkUnder the action of the hauler, traps round the gunwale and they embarks on much of its length• (P) Fisherman is away from the bulwark
• (P) Allow the installation of a higher sheer strake=transition zone toward trawls rack
• (E) Efforts notably reduced; Maximum use of hauler power
Rope panel separator-InnovationA good way to eliminate rope on deck during trawls hauling and release• (P) Less risk to be entangle if a line (or a part of) drops accidentally into the seawater
• (E) Improved posture and stability � Allow fishers to work with feet flat and anchored
on deck � •
• (P) Lesser loss of balance; (E) Reducing musculoskeletal stresses: heavy lobster traps
handling
Falls overboard prevention and real-work fishing ergonomics
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Thank you to all our partners and for your attention!
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