Thread Content
Let’s discuss whether the date of signing on the calculation sheet for pressure vessels is earlier than that on the drawings
For example, if the date of signing on the drawing is August 10th and the date on the calculation sheet is July 20th, is that acceptable?
There are no special regulations in this regard...
It’s a certification renewal project; the drawings are dated 9.20, while the calculation documents are dated 9.10.
I think the dates should be the same, because generally, a calculation sheet isn’t prepared separately for review first; instead, the review is carried out once the design drawings are completed
The same date should work, right? This shouldn’t be some important issue, right?
The problem is that an auditor said the date indicated in the calculation sheet needs to be changed to an earlier one
The design work procedures (such as when to sign) should be specified in the pressure vessel quality assurance manuals and relevant procedure control documents of each organization. The general design sequence should start with a rough layout plan, followed by the initial determination of structural parameters ; Then perform strength verification calculations ; The final construction design is carried out only after the strength calculation is approved. The signing date of the construction drawings shall not be earlier than that of the calculation sheet.
Under normal circumstances, the signing dates should be the same day.
The date on the calculation sheet can be earlier than or the same as the date on the drawings.
:L, I sometimes just write the same date arbitrarily, and it’s not necessarily the day the image is produced