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Gee, thanks... How about if I want to do both? I am very good with software, lousy with free-hand. I can work faster, probably more accurately, with good software. If the end result looks better with software, and does impress others, all the better. Even engineers appreciate the method of...

>>> by hand and scan it Actually, I had given that some thought. In the long run, I do think I'll be more efficient and get the design message across better by using some drawing program. >> I use Visio. I think I'll go with Visio. I've used it a small bit before, but I have used other...

Thanks for your comments ... I also have used Excel often to create something from scratch. I've never tried to use it to modify an existing JPG or DWG, but I don't think it would be good at that. I have also used PowerPoint many times to enhance photos for display, or to add text to them. I...

Any recommendations on basic software to create or modify flow diagrams? I honestly do not want to learn CAD, either 2D or 3D. I'm a ChE, and we tend to stay away from too much detail. It would be nice if I could import a DWG, but that's not necessary. I can already export my DWGs to JPG...

Thank you, SeanB. I did just now review NFPA15, based on your recommendation. Would you, or others, happen to know if water spray, as discussed in NFPA15, is the preferred/recommended risk management approach ? Thanks, CJ711

I am reviewing potential "mixing point problems" in a refinery. I have been told that there have been two - three significant problems recently in refineries, due to either low/high temperature mixing points or low/high pressure mixing points. Erosion due to mixing problems has created...

Can anyone point me in the right direction for a discussion on "Fire Suppression over a long pump row"? I assume there are three possibilities -- 1. Steam rings 2. Water 3. Foam water At the moment, I am in a cold weather refinery with an old enclosed Pump House. We are removing the walls of...