Did the flange loads you were given take into account the flexibility and movement of the tank? or was the tank nozzle assumed to be an anchor?
Nozzles near the base of the tank have a nasty habit of rotating as the tank fills up. This should be taken into consideration when the pipe stress...
Would this interpretation apply to the case of a lug being welded/screwed to the side of a blind flange for say a manway davit?
I am unable to locate any part of B16.5 that specifically includes permission to weld a lug on the side of blind flange, although I have been accused many times of...
I have had a few vessels registered in Qld. There are two parts - the design needs to be registered and the vessel needs to be registered. Typically the designer registers the design and the end user registers the vessel.
A design verifier who is indepenent of the design needs to verify the...
apts,
A vacuum is considered an external pressure and if the pressure vs diameter exceeds the curve in Figure 1.3.2 of AS1210 then the vessel should be designed to AS1210. (Curve is P=(31/D + 0.82)kPa (P in kPa & D in m) - and 50 kPa between 0 and ~1 m)
Regards, Simon