You should start delating these circles,they mean nothing.
You should start from a check-list:
1) Which standard do you have to follow? Your client should have told you if they require Factory mutual design, or NFPA, or maybe UNI.
2) You should start by making a zoning, and defining the...
https://play.google.com/store/apps/details?id=com.app.fm200v2&hl=it
This app can calculate the needed kg of FM 200. BTW The sizing rule of the NFPA 2001 is really simple, in the NFPA 2001 it is also possible to see the rules to select the hazard and fire classification.
If you are searching...
