APEGA addresses social media specifically in a few places in their "Ethical Practice" guideline. The first three restrictions seem reasonable. The last one (allowing them to punish you for off-duty conduct that does not involve the practice of engineering or use of title) could be abused...
In Alberta, the requirement is for the P.Eng. to "have completed, performed a thorough review of, or directly supervised and controlled the engineering or geoscience work and accept professional responsibility for the engineering or geoscience involved."
The last option is similar to...
1) The clamp would be considered an "Other End Connector" (OEC), so per Table 7, the material requirements are PMR (per manufacturer's requirement). So as long as it meets the design/stress requirements in Section 5, you can use whatever material you want. It may be difficult to meet the design...
36K is the required specified minimum yield strength for the material to be able to use it for a 10,000psi-rated body. You cannot use 30K material regardless of thickness.
You are not required to use ASTM specifications, so you can write your own 316 material specification with 36K minimum...
This should be fine, as long as the chemistry, mechanical properties, and tempering temperature of the L80 tubing are suitable for your qualified WPS and PWHT temperature.
The API 6A material designations are based on the yield strengths but there is also a tensile strength requirement for each material designation. The hardness requirements are based on the ASTM A370 hardness equivalent for the tensile strength requirement for each material class.
The two reports on the NTSB website go into more detail than the summary on the USCG MBI website. The outer surface was very wavy and there were very many locations where the wrinkles had been ground to allow the next layer to start without wrinkles...
Karl Stanley summed up the problem with Stockton Rush's reliance on acoustic monitoring in one of the emails he sent to Rush in 2019 (after hearing sounds in the original hull that OceanGate eventually removed from service)...
New documents have been added to the Marine Board of Investigation website, including a very interesting transcript of the meeting between David Lochridge, his boss, and Stockton Rush.
https://www.news.uscg.mil/News-by-Region/Headquarters/Titan-Submersible/
A few points:
1. Rush wouldn't even...
There's a lot of interesting newly released info at the link from IRstuff
https://www.news.uscg.mil/News-by-Region/Headquarters/Titan-Submersible/
1. Preliminary design report for the carbon fibre sub completed by Boeing (2013)
- Suggests that it is feasible but acknowledges some of the risks...
TGS4, regardless of the Part 5 requirements, do you think that any meshless methods / software are currently good / trustworthy enough to rely on for ASME Section VIII, Division 2, Part 5 analysis?
I think you are recognizing the risks with this - equivalency of different material grades is often unclear and could be interpreted differently by various parties.
Advantages of including "or Eq.":
- possibly reduced costs and/or lead times
- less engineering effort required to correctly...
The main requirements to obtain Q1 registration are:
1. Implement a quality management system that meets the requirements of API Q1 and operate for at least 4 months.
2. Complete an internal audit and management review per API Q1.
3. Apply to API for a Q1 license and pay the application fee and...
