If the plant is licensed in accordance with ANSI/ANS 18.2, and ANSI/ANS 51.1 is complete revision of 18.2, it is not allowed to use it without a licensing amendment. Therefor application of ANSI/ANS 58.14 standard which has no direct link to ANSI/ANS 18.2 is not permitted. Is my thinking OK?
I have a question regarding use and application of ANSI standards. If the components, systems of structures are classified in accordance with ANSI/ANS 18.2 1973 »Nuclear Safety Criteria For The Design Of Stationary PWRs«, and this standard is referenced in USAR, are you allowed to use ANSI/ANS...
I completely agree with you Racookpe1978. Our approach is very conservative. For Non safety Item there is no legal restriction to install it. It is only how much of risk you and management are willing to accept. For SR items is completely different story. In our case we are looking for the...
We are speaking about ASTM A 351 CF8M. Our partner is planning to print test coupons in different layers for destructive testing. The printing process is covered with QA program. It is not app. B, because we are not speaking about SR item.
Our intention is to install printed impeller of non-safety related pump. Pump is part of Fire Protection system (jockey pump). In our order specification we put a request for CT inspection, RT, PT, VT and all sort of destructive testing. As I understand 3D printing process, is that printed...
When I put the question to forum I didn't describe the purpose. My company started a pilot project to discover whether we are able to replace obsolete items with items made by 3D printing. When we started a project we were not familiar with 3D printing technology and material. Now we discovered...
Did anybody tried to install a spare part which has been manufactured with 3D printing. If the answer is yes, how did you managed to certify the material for printing. I'm not speaking about SR item.
I have a question related to SR valve. My company purchased an ASME class 3 SR valve. Diffusor is a part of valve and on a drawing it is marked as Non Pressure boundary SR part. This part was manufactured in a shop which has a quality system only in accordance with ISO 9001. On this part...
