Core
Hydraulic Calc
Quick design density and demand notes for residential and light commercial.
Ondervolk OS Native
Primary trade
Hydraulic calcs, inspection routes, and AHJ submissions on a single board.
Core workbench
These are the modules every fire protection / sprinkler systems business uses on day one. Reorder them, hide the ones you don't need, but they ship in the box.
Core
Quick design density and demand notes for residential and light commercial.
Core
Annual, semi-annual, and quarterly inspection routes with reminders.
Core
Open deficiencies with proposed corrections and customer approvals.
Helpers
Optional modules that pair cleanly with the fire protection / sprinkler systems core board.
Helper
Tag history per device, with test dates and inspector initials.
Helper
Drawing sets, cut sheets, and permit applications by project.
Recommended secondaries