Resources

You know, (PVC) pipe is made from a plastic and vinyl combination material
Normally, PVC piping is most commonly used in water systems, underground wiring, and sewer lines.
Flexible pvc pipe is other kind of PVC but strong and long-lasting and can be used in water systems, for running hookups to washing machines, or in a system [...]

CAD is a computer graphics software that is commonly used to make architectural and engineering drawings.

You can get FREE. book [...]

Caesar II is most famous software for pipe stress analysis nowaday.
If you are using Caesar II, you need to know how to setup load case before runing calculation.
You can download some free documents that will tech you how to do that.
-Subcribe newsletter at http://www.azpiping.com to download free report and other stuffs
-Download LoadCases.pdf provided by Sam [...]

Here you can find best collection of autocad tips and trick forums/websites
Daily Autocad
AutoCAD Tutorial, AutoLISP,3D Modeling Tips
http://www.dailyautocad.com

CAD Forum
CAD Forum – tips & tricks.CAD block library with >3.700 blocks
http://www.cadforum.cz/cadforum_en/tips.asp
http://www.cadforum.cz/catalog_en/
AutoCAD Tips and Tricks
Great collection [...]

I found this resource:
Fastorq Boltcalc v1.0b -Online Bolting Calculation
http://www.fastorq.com/boltcalc-online/boltcalc.php
Bolting Definitions
http://www.fastorq.com/resources/defs.cfm
* Bolt Preload Calculation-Theory and equations for computing bolt installation prestress.
* Criteria for Preloaded Bolts -Requires approximately 19 seconds to download. Contains equations for bolt stress analysis, including installation prestress and margin of safety calculation.
* Fastener Design Manual- Extremely large! Requires approximately 40 minutes [...]

Follow link at the end of this post, you can download all pdf document about piping stress like:
The Art of Checking Pipe Stress Computer Programs
Treatment of Support Friction in Pipe Stress Analysis
Local Stresses in Vessels – Notes on the Application of WRC-107 and WRC-297
Quick Check on Piping Flexibility
Toward More Consistent Pipe Stress Analysis
Evaluation of Flanged [...]

This site has some useful information that i think you may like.
You can visit here

You can download Free Excel Spreadsheets at http://www.exinfm.com/free_spreadsheets.html
Other useful link like Excel Templates, Add On’s for Microsoft Excel.., you can find there.

-Free Full-Color Pipe Marker Guide
For a free full-color, laminated, pipe marking guide, suitable for use as a desktop reference or wall chart, that gives you all the basics of pipe marking at a glance, . This guide provides the ANSI / ASME A13.1 2007 standards for identifying and labeling pipes. These are the [...]