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It always nice to have such bach-up to your DCS readings...Never rely on one source..

Do you think the sand is used as a medium for cathodic protection electrons to move throw??

Chance17, This sand is located outside of the vessel, covered the entire vessel. I dont see any filteration process going on here.

Ione, The answer is no.

Quark, Thanks for your reply. I dont think the sand is there to support the expansion as this vessel is underground. If that the case they would desgin it above ground. Thanks again

Hi, There is a closed drain drum for condensate system which is an underground vessel and covered by concrete. This vessel is buried with sand and under cathodic protection (CP). Question: What do we need the sand for? Can I remove the sand? Thanks in Advance for all of you.

I think you should decide first about making those pumps an Auto start or manual. I will try to get you much details about shutdown procedure.

some times it installed in series for economic reasons, like two small check valves in stead of a huge big one. some time it depends on the pipe rating as well, (900# vs 300#)

Hi every body, Does any one have any experience of "Crygonic Draining system" and how it works. I have a Crygonic system and I must to design a draining system for it!!!?

Dear All, I'm reviewing two technical proposals from 2 bidders, and I'm suppose to do final techincal evaluation in order to help my boss to take his decision easly, what am i suppose to show in this, is there any typical format? Thanks

Hi every body, Regarding the distilation cloumns, Why most of the demethanser and Deethanizer has two diameters, for exampel the de-ethanizer has bigger diameter at the bottom and smaller one at the top, vise versa for De-c1. Thanks and regards

Why dont you design the tank as per the normal consumption, and let the vapour vent up thorught compressor , then gets condensation in the way back to tank as liqued again.

Hi all, Whats “operating and Control philosophy” documents on sales gas project or in general must describe? I appreciate your thoughts. Regards

Both are acceptable, but make sure all the valves on pipe are CSO.

I dont think there is a specfic stander or code will give you a sufcient material for DBB, each company has its own isolation procedures for using double block and bleed valves.

Dear all, What is the proper material to be used for sour water vessels? currently our contractor is suggesting KCS+3mm 316L ss clad, or should we use SS? Thanks in Advance.

Thanks all for your inputs.

does any one have tips or criteria to help for designing the Valves with bypass or Hand jack rather than criticality?

Hi All, Could any one provide help for this matter please, What are the main systems I could not use Auto start pumps or not recomended. Thanks and Regards TH

Gents, I know the system criticality plays a big roll here to design the valve with Bypass or Hand jack. But, does any one have tips or criteria to help for designing the Valves with bypass or Hand jack? Thanks and Regards TH