There is no way we can answer your question due to the different parts of your electrical supply.
Break down the different parts, into service equipment, feeders, panels not service equipment, and equipment, such as transformers, motors, etc..
Then read the codebook.
Do not assume that adding a rod next to beams will provide for a quality grounded system. In fact, this may create a hazard. You may need to hire a grounding firm to provide the correct specs for this job.
You should also study as much on grounding as you can. It is a specialized field, so if you don't understand it, get help.
What was the new journeyman's concern with the water pipe grounding?
[This message has been edited by rmiell (edited 10-10-2003).]