GFFM PPT Class 2016 - South Carolina Aquarium · 3 It is the mission of the South Carolina Aquarium...
Transcript of GFFM PPT Class 2016 - South Carolina Aquarium · 3 It is the mission of the South Carolina Aquarium...
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Guardian Full Face Mask
Revised February 26, 2016
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Arnold Postell Dive Safety Officer / Senior Biologist
(843) 579-‐8536 [email protected]
Ryan Yuen
Assistant Dive Safety Officer (843) 579-‐8503
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It is the mission of the South Carolina Aquarium (SCA) Dive Team to provide
excellence in animal care and husbandry, to actively support both the
educational and conservation endeavors of the SCA, and to provide a memorable, positive guest experience
to all those who visit our facility.
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Training Schedule
• PowerPoint PresentaXon > Statement of Understanding and Quiz required before in-‐
water use
• GOT: 2 dives minimum > Dive One: Donning, Doffing, and Equalizing
> Dive Two: Underwater Bailout with Removal & Replacement
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IntroducXon • The Guardian Full Face Mask (GFFM) permits GOT divers to talk with the guests during our presentaXons.
• At other Xmes, it can be used to talk to surface support
• All GOT divers must receive training in the GFFM before use*
• Prior to this training the diver must have at least 10 dives in the GOT and 5 days of volunteering*
* SCA Diver Handbook
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Reasons to Dive GFFM • CommunicaXons
• Environmental ProtecXon • Security • Comfort • Fun
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Wireless vs. Wire • Wireless
> Ease of movement -‐will not snag on objects
> Interference by machinery
• Wire > You are always tendered (safety)
> Improved communicaDons -‐ less interference
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Guardian Full Face Mask Manufactured by Ocean Technology Systems
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SCA FFM Regulator • There are specific Regs
dedicated for use with GFFM > These can be idenDfied by a
Quick Disconnect in lieu of the primary regulator
> The Quick Disconnect has a rotaDng lock to prevent accidental disconnect
• Guardian Regs are equipped with an Alternate Air Source or Octo
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Donning the Mask • Fully extend all straps • Never pre-‐adjust straps. • Pull mask and straps over
your head, seaXng the mask on your face with the back of the harness low on the back of your head
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Donning Cont. • Keeping the harness
centered on the back of your head, evenly Xghten the straps on each side by pulling straight back.
• Start with the lower jaw straps (1), then Xghten the temple straps(2). Tighten the top strap only as necessary(3).
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Before entering the water • Verify that the Ambient
Breathing Valve is closed prior to diving.
• Verify the air tank is turned on. Take 2 breathes while watching the pressure gauge.
• Verify the posiXon of the equalizing assembly prior to diving.
• Verify the communicaXon box is turned on.
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Ambient Breathing Valve • This mask is equipped with an Ambient Breathing Valve (ABV)
• The ABV allows the diver to conserve air while on the surface.
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ABV cont. • Ensure that the ABV is closed prior to diving to prevent leaks.
• To close the ABV turn it clockwise unXl is finger Xght.
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Equalizing • There are a combinaXon of nose block pieces that should allow for ease of clearing your ears while diving.
• You will need to experiment to find the right fit for you!
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Equalizing cont. • You should be able to push up on the regulator and have the equalizing assembly block your nose so that a gentle exhale through your nose will allow your ears to clear comfortably.
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Microphone • The microphone should be
posiXoned within ¼” of the right corner of the divers mouth.
• The diver should be speaking into the side of the microphone (*see picture)
• Water can damage the microphone under pressure at depth
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Earphones • The earphones should be
pulled toward the back of the harness strap when starXng to don the mask to prevent binding in the buckles.
• Once the harness is secured, pulled the earphones forward to rest directly over the divers ear.
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CommunicaXons Line ConnecXon • Ensure that there is a good
connecXon at the mask-‐communicaXon line plug.
• Do not swim with the mask disconnected from the communicaXon line without using the “dummy” plug.
• Watch that the communicaXon line does not get entangled on the rockwork or on Careoa
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Topside CommunicaXons Box • The diver microphone and
earphones must be turned on (1)
• The CommunicaXon switch must be turned on for sound to go to the public. (2)
• There is a direct communicaXon between topside and GFFM diver by pressing and holding the red buoon (3) while talking into the speaker (4)
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• Buddies should suit up at same time • Make sure the communications line is clipped to the divers BCD • GFFM diver should do a quick sound check with a Topside Diver, using the communications box. • GFFM diver should maintain contact with their other Divers UW • This is still a required “close contact” buddy team.
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Removing The Mask • To remove the mask, place both hands on the base of the mask, thumbs on the tabs of each of the jaw (lower) buckles and pull these forward.
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Removing the Mask cont. • Rotate the mask out off of the chin, up and over your face.
• Extend each strap to have it ready for the next Xme the mask is used.
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Air Leaks Underwater • If the mask leaks air, you
may need to Xghten or loosen some or all straps > ie. if the booom straps are too
Xght it can angle the top skirt away from your head
• The mask should be snug, but not uncomfortable.
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Emergency Bailout Training > AcDvaDon of RASS > Removal of GFFM underwater > Switching to normal mask and RASS > Replacement of GFFM underwater
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Emergency Clearing of the Mask • Flooding is unusual • The mask is easy to clear. • Tilt head back at a 45 degree angle and purge the mask for 3 seconds while pulling out slightly on the booom of the mask.
• CauXously inhale to ensure the water is cleared. • Tilt head to the leq at 45 degree angle and exhale forcefully to clear any remaining water.
• Repeat if necessary.
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Emergency: Mask Failure • Carry your own mask with you while diving on full face mask
• Mask can be carried in BCD pocket, aoached using a strap of the BCD or other readily accessible posiXon
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Emergency: Out of Air • Ascent
> Normal ascent > RASS > Alternate Air Source (Self or Buddy’s Octo) > Controlled Emergency Swimming Ascent
> Buddy Breathing > Buoyant ascent
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Loss of CommunicaXons • Possible problems
> Loss of RecepDon > Loss of Transmission
> Both • ConXnue with show (if possible) • React to educator’s direcXons, parXcularly if you can hear
educator
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Aqer the Dive
• Turn of the power on the communicaXons box • Disconnect mask from communicaXons rope • Do not disconnect the mask from the com. line while it is sXll on and in the water.
• Ensure dust cap is secure on the first stage immediately aqer removal from the air tank.
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Disinfect Procedure
• Mask should be quickly rinsed in freshwater bucket
• Then spray with Birex and wait 10 Minutes
• Rinse again with freshwater before being put away or between divers.
• Mask should be hung upside down to drain.
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Drying the Mask • Rotate & Drain accumulated
water out of the mask before pusng it away. > This takes a while but prevents
mold buildup • The mask should be hung by
straps
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Drying the Mask
• Avoid scratching inside lens on hanging pegs > DO NOT hang mask by it’s
skirt or press the lens to the hanging pegs
• Please pair GFFM with a GFFM reg
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Hints for a successful show
• Be familiar with scripts
• Be familiar with interesXng/unusual facts about animals in GOT
• Coordinate with educator doing the show • Check communicaXons on surface • Watch Air ConsumpXon
• Remember … while on the full face mask assume that all of your comments will be heard by guests
Be professional …. You are !
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OTS-‐Video SecXon • Please follow the link provided and view the six video’s on
proper use of the Guardian FFM • hop://www.oceantechnologysystems.com/full-‐face-‐mask-‐training-‐videos/
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