Need Complete Guide for PCB plant setup?

Hi, I am looking for complete guide to setup a pcb plant. I dont find anywhere in internet else where.

I have these following questions, hope to get little help.

1) What is minimum sq. mtr of space required to set up plant?

2) How many employee require to run whole plant?

3) What machinery required?

I know some will say visit manufacturing unit. that's the best option but I want some basic knowledge before I visit any company.