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UWSH - Onboardsman
Onboardsman
| Question | Answer |
|---|---|
| What are the requirements for single valve protection? | 1. CO's permission 2. 2 forms of dewatering/ emergency flood plan 3. Chief present for leak check 4. blank flange on standby with bolts/software 5. communications between space and dive site 6. Contractors/equipment ready in space to begin work |
| What 3 signatures are required on a safe sheet? | CDO EDO/CHENG Combat Systems/Deck Officer |
| Requirements for diving within 15ft of ICCP | Full wetsuit, unisuit, or drysuit with hood and gloves |
| Requirements for diving on ships in a nest | Outboard ship flies code alpha All suctions within 50 ft of divers path must be secured/tagged Both ships pass word on 1MC that there are divers working |
| Requirements for diving at night | Contact port ops to check for sonar operations All sonar tagged out Both ships lights are red-white-red |
| Who can authorize single valve protection | tended vessel CO |
| Who can authorize diving within 50ft of active suction | tended vessel CO Repair activity CO |
| Significance of SOPA | Senior Officer Present Afloat Call in rare situations where ship is uncooperative or another vessel is interfering |
| Explain the 50 ft rule | Diving within 50 ft of an active suction maintaining a suction of 50gpm or more (on same side of keel) is not allowed unless deemed an emergent repair and authorized by the CO of the tended vessel and the repair activity |
| 50 foot rule exceptions | less than 50 ft, less than 50 gpm less than 50 ft, more than 50 gpm, opposite side of keel -Dive sup will determine if suction is a hazard and be aware of the divers umbilicals, divers must be briefed on all locations of suctions and equipment |
| Reuirement for diving on running gear | All other running gear must be secured and tagged |
| Types of dewatering equipment | sub pumps, eductors, electric submersible pumps |
| How many people on flood watch? | At least 2 people (trained in dewatering procedures) |
| Leak checks for suctions vs discharges | Suctions - blow out valve opened, wait for drainage/white water Discharges - Must break into fittings/flange to open and leak check |
| Yellow Slip | surface ships (non nuclear) |
| Pink slip | (Nuclear) subs and carriers |
| LIRS | Line item record sheet |
| TORS | Tag Out record sheet |
| Who to notify in case of tag out discrepancy | EDO/CSMC |
| CVN | Carrier. nuclear |
| CG | Cruiser |
| DDG | Destroyer |
| Who assists tag checker on a carrier? | Diving Officer |
| Distances for unknown sonar | Wet suit hooded - 600 yards, move in to comfort Wet suit unhooded - 1000 yards, move in to comfort helmeted - 3000 yards, move in to comfort |
| Radcon boundary on sub | forward of the sail to the ensign |
| Most important rule for tag checkers | Get hot plates |
| Sonar requirement | Divers out of the water by 1930 call Call in morning to find out when sonar testing ends |
| What is required before mooring alongside of a ship | CO's permission |
| Signatures required on a tag | AO, 1st checker, 2nd checker, RA if applicable |
| How many zones on a carrier? Which are nuclear? | 4 zones 2 and 3 nuclear |
| Where is Control on a submarine? | forward |
| Where is maneuvering on a submarine? | aft |
| Who runs control on a sub? | SDO |
| Who runs maneuvering? | EDO |
| Who runs CSMC? | CSOOW |
| Who runs CCS on a surface ship? | EDO |
| What is tagged out in CCS? | Engineering equipment (suctions, discharges, running gear, etc.) |
| What is tagged out in CSMC? | Sonar, ICCP, pitsword, rodmeter, fathometer |
| 2 versions of tagging out | Electronically Mechanically/paper |
| WAF | Work Authorization Form |
| What is the MSW/ASW on subs required to to be at for diving within 50 ft? | slow or super slow modes |
| 6 tag out discrepancies | Missing tag Missing signatures Damaged tag Wrong component Component in wrong position Wrong tag number |
| When does CO sign off on a safe sheet/dive note? | Diving within 15min-24hrs of a reactor being shut off Diving within 50ft of an active sea suction Diving while suction maintaining 50gpm or more |
| 3 sstems used for tag outs | ESOMS E-Tag Paper Tags |
| What order do you sign tags and LIRS? | Tags first, LIRS second |
| What do you do when a tag has fallen on the ground or ripped off? | Have someone stay with the component and go notify the EDO |
| What happens if a diver is trapped | Go to quarterdeck, initiate Cold Iron, notify CDO |
| What to ensure for buckets when diving inside scoop area on LCS | Buckets are in full ahead/fwd position (allows alignment to properly enter space) |
| What to ensure for sonar dome job | Is it an internal inspection? If so, has it been dewatered prior and gas freed (24hrs). Its going to take a long time, so should be done a day in advance. |
| Most important question to ask when beginning any onboardsman shift or dropping tags off the day before | Is the work complete? (ready to remove C/D), Are the repair parts and tools available? Are the contractors on site, ready to work? |
| Why is the firemain caution tagged after it is attached or running through the eductor hose? | So it can be operated without having to remove tags |
Created by:
DivingKnowledge