Water-Spray Density (Engine Room)

Minimum water-spray application rate for fixed local water-mist / spray per SOLAS II-2 Reg 10.5: 12.5 L/min/m² over the protected area.

Fire safetyWater mist

Protected aream²Required durationmin

Required flow: 500L/min

Water volume required: 10.0m³

Changing the inputs requires JavaScript. The calculator above shows its default inputs and result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

Q = 12.5 \cdot A, \quad V = Q \cdot t / 1000

Symbol	Meaning	Unit
$A$	Protected area under spray	m²
$Q$	Flow	L/min
$t$	Required duration	min

Source: SOLAS II-2 Reg 10.5

In short

Minimum water-spray application rate for fixed local water-mist / spray per SOLAS II-2 Reg 10.

Learn the theory FSS Code: International Code for Fire Safety Systems