Term
| Diving Umbilicals,Common components: |
|
Definition
-Gas supply hose
-Communication wire
-Pneumofathometer
-Lifeline |
|
|
Term
| Diving Umbilicals,Optional components: |
|
Definition
-Hot water supply
-Video cable
-Power cable for lighting etc.
-Just about anything |
|
|
Term
|
Definition
-Industry standard – taping
-Twisted assembly
-Whipped and/or tie wrapped
-Sheathed |
|
|
Term
|
Definition
-Visual inspection
*Hose fitting
*Communication connectors
*Tape and/or whipping
-Rinse with fresh water
-Blow through
-Test communications
-Coil and hang up |
|
|
Term
|
Definition
-Internal wash/rinse
-Pressure test
*1½ to 2 times working pressure
-External inspection
*Fitting
*Communication connectors
*carabineer |
|
|
Term
O. Reg 629/94
The diving supervisor for a diving operation shall ensure that any breathing mixture supply line used in surface supplied diving... |
|
Definition
-is adequate;
-has an internal diameter sufficient to permit adequate flow rates and pressures;
-is protected in a way that ensures against damage at the dive site; and
-is protected against kinking |
|
|
Term
| Presently three types of diving hose available for diving use: |
|
Definition
-Gates
-Aqualite
-Barfell Hose |
|
|
Term
|
Definition
-Air, Oxygen, HeO2 compatible
-No chemical off gassing
-Kink resistant |
|
|
Term
|
Definition
-Black synthetic rubber tube
-Reinforced with 2 fiber braids
-Rubber treated to prevent blisters
-Abrasion & oil resistant cover
*Resists most chemicals and
solvents found in contaminated
water
-Temperature range: - 40°F - 200°F
-Length change @ working pressure 2-4%
-3 diameters available
3/8” 1125 psi max. working pressure
1/2” 1000 psi max. working pressure
3/4” 750 psi max. working pressure
Safety factor 4:1
-Negatively buoyant except ¾” diameter hose
-Standard maximum length 1000’
-No splicing of gas hose |
|
|
Term
| Aqualite Features: By Jacques cable systems. |
|
Definition
-Tube and cover extruded in Aquathane, a specially compounded – polyurethane
-Temperature range of -40° - 60° C
-Does not deteriorate with age, remains flexible
-Available in; 1/8”, 1/4”, 3/8” & 1/2” diameters
-Maximum working pressure;
-3/8” – 500 psi
-1/2” – 350 psi
-Safety factor 4:1 – burst pressure 2000 psi
-Best advantage over Gates;
-Buoyant in Salt and Fresh water |
|
|
Term
| Barfell Diving Hose are not to be used: |
|
Definition
| NOT TO BE USED IN CLIMATES WHERE TEMPERATURES MAY BE BELOW 0° C (32°F). |
|
|
Term
| Barfell Diving Hose features: |
|
Definition
-Cover and tube – extruded PVC
-Polyester filament reinforcementEO
Trailer connectors
Marsh Marine
Direct wire
Banana Plugs
-Internal diameter 10mm
-External diameter 16.8 mm
-Burst pressure is 1524 psi @ 68°F
-Recommend 4:1 Safety factor
-This hose will break in freezing
temperatures. |
|
|
Term
| Pneumofathometer Hose should be: |
|
Definition
-Should be of a different colour
-Rated to 250 psi
-Flexible
-Be able to take standard fittings
-Should be of a continuous length, but maybe spliced |
|
|
Term
| Hot Water Hose should be: |
|
Definition
-Should be kink resistant
-Heat compatible
-Can be added to or spliced
-½” minimum internal diameter
-Approximately 350 psi water pressure |
|
|
Term
| Breathing hose and Pneumo hose should be: |
|
Definition
-Hose barb (2” – 2 ½”) Barbed fitting
-Re-useable or swaged
*JIC or 9/16” x 18 Oxygen fitting
*JIC preferred by Ministry for
breathing air
*All fitting should be brass or
stainless steel |
|
|
Term
| Hot Water Hose Fitting features: |
|
Definition
-Quick connect on diver’s end
-NPT male on topside end
-All fittings should be brass or stainless steel |
|
|
Term
| Communication Wire features: |
|
Definition
-4 conductor – min. 18 gauge
-Stainless steel braided reinforcement
-Polyethylene water block
-Most common is PVC covered |
|
|
Term
| List different Communication Connectors: |
|
Definition
-EO
-Trailer connectors
-Marsh Marine
-Direct wire
-Banana Plugs |
|
|
Term
| Maintenance Daily Visual inspection Breakdown: |
|
Definition
-Hose fitting
-Communication connectors
-Tape and/or whipping |
|
|
Term
| Maintenance Yearly: External inspection |
|
Definition
-Fitting
-Communication connectors
-carabineer |
|
|
Term
| Gates 33HB Reinforced with |
|
Definition
| Reinforced with 2 fiber braids |
|
|
Term
| Gates 33HB is ______ _______ to prevent blisters |
|
Definition
|
|
Term
| Gates 33HB has a ________ & ___ resistant cover |
|
Definition
|
|
Term
| Gates 33HB, Resists most... |
|
Definition
| chemicals and solvents found in contaminated water |
|
|
Term
| Gates 33HB, Temperature range: |
|
Definition
|
|
Term
| Gates 33HB, Length change @ working pressure |
|
Definition
|
|
Term
| Gates 33HB, 3 diameters available: |
|
Definition
3/8” 1125 psi max. working pressure
1/2” 1000 psi max. working pressure
3/4” 750 psi max. working pressure |
|
|
Term
| Gates 33HB is __________ _______ except _” diameter hose |
|
Definition
| Negatively, buoyant, except ¾” diameter hose |
|
|
Term
| Gates 33HB, Standard maximum length: |
|
Definition
|
|
Term
| Aqualite, Tube and cover extruded in: |
|
Definition
| Aquathane, a specially compounded – polyurethane |
|
|
Term
| Aqualite, Temperature range of |
|
Definition
|
|
Term
|
Definition
| deteriorate with age, remains flexible |
|
|
Term
|
Definition
| 1/8”, 1/4”, 3/8” & 1/2” diameters |
|
|
Term
| Aqualite, Maximum working pressure; |
|
Definition
3/8” – 500 psi
1/2” – 350 psi |
|
|
Term
|
Definition
| 4:1 – burst pressure 2000 psi |
|
|
Term
| Gates 33HB, Safety factor |
|
Definition
|
|
Term
| Aqualite, Best advantage over Gates; |
|
Definition
| Buoyant in Salt and Fresh water |
|
|
Term
| Barfell Diving Hose, Cover and tube has: |
|
Definition
|
|
Term
| Barfell Diving Hose, _________ filament reinforcement |
|
Definition
|
|
Term
| Barfell Diving Hose, Internal diameter |
|
Definition
|
|
Term
| Barfell Diving Hose, External diameter |
|
Definition
|
|
Term
| Barfell Diving Hose, Burst pressure is: |
|
Definition
|
|
Term
| Barfell Diving Hose, Recommend _:_ Safety factor |
|
Definition
|
|
Term
| Pneumofathometer Hose; should be a different ______ |
|
Definition
|
|
Term
| Pneumofathometer Hose; should be a rated to ___ psi |
|
Definition
|
|
Term
| Pneumofathometer Hose; should be a ________ hose |
|
Definition
|
|
Term
| Pneumofathometer Hose; should be a able to take: |
|
Definition
|
|
Term
| Pneumofathometer Hose; should be of a _________ length, but maybe _______ |
|
Definition
| Should be of a continuous length, but maybe spliced |
|
|
Term
| Hot Water Hose, should be ____ resistant |
|
Definition
|
|
Term
| Hot Water Hose, should be ____ compatible |
|
Definition
|
|
Term
| Hot Water Hose, can be _____ to or ______ |
|
Definition
| Can be added to or spliced |
|
|
Term
| Hot Water Hose, _" minimum internal diameter |
|
Definition
| ½” minimum internal diameter |
|
|
Term
| Hot Water Hose, Approximately ___ psi water pressure |
|
Definition
|
|
Term
| Breathing hose and Pneumo hose barb _" - __" barbed fitting |
|
Definition
|
|
Term
| Breathing hose and Pneumo hose fittings should be _____ or __________ _____ |
|
Definition
| All fitting should be brass or stainless steel |
|
|
Term
| Hot Water Hose Fitting, Quick connect on: |
|
Definition
| Quick connect on diver’s end |
|
|
Term
| Hot Water hose fittings should be _____ or __________ _____ |
|
Definition
| All fittings should be brass or stainless steel |
|
|
Term
| Communication Wire, 4 conductor – min. __ guage |
|
Definition
|
|
Term
| Communication Wire, __________ _____ braided reinforcement |
|
Definition
| Stainless steel braided reinforcement |
|
|
Term
| Communication Wire, ____________ water block |
|
Definition
|
|
Term
| Communication Wire, Most common is ___ covered |
|
Definition
|
|
