Energy,
Numbering systems...this will open a can of worms, I'm sure
My approach...
I try to number the policy manual consistent (in some way!) with the standard. For ISO 9000:2000, I use ISO section 4 = My section 1, ISO section 5 = My section 2, etc.
I tend to number the procedures consistent with the policy. For example, a procedure for document control might be numbered 1.01, a procedure for management review might be numbered 2.01.
By the time I get to instructions, I move to a system that makes sense internally. I might group generasl quality system instructions in a section 1, process instructions in a section 2, inspection instructions in a section 3, etc. I tend to make the section breaks at the instruction level with the way the company views it's processes.
The form numbering pretty much follows the instrutions. For example, forms related to inspection would be numbered in the "300" sequence.
The bottom line: I tend to keep the policy and procedures numbered somewhat consistent in a unified manner with the standard; I tend to number the instructions and forms using a system that's consistent with the internal process flow.
My philosophy has been: I want my policy and procedures tied to a quality system that's universal; once I move to instructions and forms, I want a system that matches the way the people think internally. The people making the translation between policy/procedures to instructions/forms generally have to think both ways...but then that's what the managers are paid to do...interpret.
Just my thoughts...the REAL bottom line is that the numbering system has to make sense to users of the system!