Plumbing Design Guide Plumbing Systems

i am a plumbing design engineer and i want to work in fire system design as well.?
Can any one guide me how i should start my journy so that i may become able to design Fire sprinkler system , fire hose cabinet system and FM-200 system and etc
If you’re already a Plumbing Designer, just read
the Sprinkler Codes.
The flow requirements are ‘rock and a stick’ simple,
and the Code describes the rest.
Creating Plumbing System — AutoCAD MEP 2011