Sprinkler fire main piping & support hanger layout for a multi-story building, specifically floors 7 through 13. Includes specifoc main pipe routing and position change confirmations for the system headers. You’ll find various pipe sizes throughout, from 1″ up to 6″ SW lines, along with elevation callouts like TOS FL+3300 and TOS FL+2400. Drawing includes hanger locations with height specs (0.2H, 1.5H, etc.) and specific labels like SH1A and SH1B. It’s a clean metric layout with all the necessary pipe diameters and technical notes for fire protection installation.