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I've used both options. Best to discuss with your AIA and they should give you guidance. They can also co-ordinate with the AIA at site to minimize the costs.

We are currently building a very large autoclave designed by a company in Texas but yours seems to be an unusually high pressure, which will be a challenge. You can look at this website and contact them if it looks like they can be of service: www.thermalequipment.com

Anyone have any details about the explosion of the LOx tank at a hospital in downtown Toronto? It looks like the vacuum jacket top head was ripped off but what would cause that to happen in such a catastrophic way...

Does anyone know why I can't specify a coupling in the top head for hillside attachment? The only option I get for couplings is Radial unless I change the style to "Uniform Thickness", in which case I don't get a coupling rating of 3000#.

I don't agree that updating to the current edition of the ASME Code requires a change to the CRN. The requirements of Sect. VIII are that the construction is in compliance with the current edition of the Code which for a vessel built 28 years ago will almost certainly be because the current Code...

Thanks to all who provided their comments. It certainly seems that this is a market that has been explored to the point that the economics show it doesn't work.

Does anyone know of any suppliers of Shipping Container Homes for affordable housing that don't look like Shipping Container low income housing junk? Thank you

Make sure there is no vacuum condition in your design as these types of closures will not seal under any level of vacuum.

No problem installing ASME vessels but no ASME manufacturers there for above reason.

The US embargo against Iran prohibits any manufacturers to obtain ASME certification.

According to our experience the CRN for fittings expires after 10 years. There is no renewal process and a completely new approval is required. You may request to use the same CRN but there is no assurance that it will be granted.

The software packages are generally equal so I would choose the one that is the cheapest to buy and then to maintain. Once you commit to one package you're stuck with whatever fees they want to charge for the annual maintenance. The cost of these packages can be very significant to small...

You can also contact Clark Kennedy in Toronto, Canada. They have the certifications you need.

Is it acceptable for the Certified Individual for UM vessels to also sign the U-3A as the Representative?

Thank you all very much. This is great information.

If an ASME fabricator is sold and the new owner has a new name and new physical location, can the new owner also use the WPS/PQRs from the old company if this is included in the purchase agreement?

Are you looking for a North American fabricator for an international project or is the project in North America?

As a point of clarification the issue is specific to Canada only where we have no choice but to deal with the regional AIA. If you develop a bad relationship with your AIA then there are no options to take your business elsewhere. This leave the company as a servant to the AIA where a wrong word...

Has anyone experienced the withholding of services by their AIA for failure to pay their account? In Canada we are forced to use the government appointed AIA so have no choice but to meet their demands or are subjected to withholding of inspection and design review services. This seems very...

You mentioned that this is a boiler and if so then the rules for pressure vessels don't apply. If built to the ASME Code then this is a Sec. 1 boiler and per PG-99.1 "No part of the boiler shall be subjected to a general membrane stress greater than 90% of its yield strength ...". This is what...