(2025 EXAM) Man 10 chap 2,3. Appendix A,C Flashcards
- Who can close out a CWP?
Diving Officer/SDS
Who can approve temporary alternative system alignment with adequate tag-out procedure while the rec remains open?
CO or designated rep
How do you document rework in the REC log?
place a - after the original rec number ex.24-001-1
O2% greater than what requires O2 worker qualification?
25%
Valve seat tightness time and pressure?
30 minutes plus time to inspect at MOP
How often do you audit rec logs?
Quarterly
Service life of wire rope?
5 years
Hydrostatic/pnuemo test?
1.5 times MOP. No leakage allowed
What is all rope required to have?
Certificate of break
System Drop Test all requirements?
->1000psi air 24 hours, 1% of initial pressure
-<1000psi air 6 hours, 5% of initial pressure
-Helium/HEOX 24 hours, 1% of initial pressure
-O2 24 hours, 0 allowable drop
Static test for DHS?
200% for 10 minutes
Dynamic Test?
150% run through 3 complete cycles of operation
What do you do with rope that has exceeded 75% of its minimum breaking strength?
Discard
Replacement criteria for Wire rope?
6 broken wire in one rope lay length, or three broken wires in one strand lay length
Category 1D card?
Corrective action must be accomplished on a specified component prior to its use, but overall system retains its certification.
Category 1C card?
Corrective action must be accomplished prior to the date or event specified on the card to sustain certification.
Category 2 card?
Corrective action is desirable, but no mandatory.
Category 1A card?
Corrective action must be accomplished prior to manned use of the system. Results in termination or suspension of existing certification.
Category 1B card?
Corrective action must be accomplished prior to system certification.
How far out must the applicant request the SCA for an on site survey?
no less than 90 days prior to desired cert date
Extensions 30 days or less can be granted via?
email. Longer extensions require formal approval letter from SCA.
Who provides the SCA with all information for the initial certification of a system?
Project Manager (PM)
How long can a cert extension be for?
normally up to 90 days
