Referentiedata

K-factor reference table (metric & imperial)

EN 12845 density / area-of-operation matrix

NFPA 13 density / area curves

ESFR minimum design pressures by storage height

Hose stream allowances — EN 12845 vs NFPA 13

Hazen-Williams C-factors for fire protection piping

Sprinkler temperature ratings & frame colors

Typical fire pump duty points by hazard class

Required water-supply duration by hazard

Storage height limits by sprinkler system type

Sprinkler clearance from obstructions (NFPA 13)

Maximum sprinkler spacing & coverage area

Antifreeze concentration limits (NFPA 13)

Backflow preventer pressure losses

Fire pump test curve (churn / rated / 150%)

Gaseous suppression — design concentrations

Detector spacing (heat, smoke, beam)

Hydrant flow test interpretation