Dear All please check this hygiene guideline of our company updated Revion 5. If any suggestion its welcome to improve.
https://drive.google.com/file/d/1UMGIcx3iwYPI-_ZeJGkKmG6ZTOSWNUPK/view?usp=sharing
You can use thix guideline for your own company purpose as well as its a Creative Commons License document from GyanTech.