Fire Pump Capacity (SOLAS)

Minimum fire pump capacity per SOLAS II-2 Reg 10: Q = (0.15·√(L·(B+D)) + 2.25)², capped at 180 m³/h.

Fire safetySOLAS

Rule length LmBeammMoulded depthm

Total required capacity: 180.0m³/h

Per-pump minimum (80 % of total): 144.0m³/h

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 = \left(0.15 \sqrt{L(B+D)} + 2.25\right)^2, \; Q \leq 180 \text{ m}^3/\text{h}

Symbol	Meaning	Unit
$L, B, D$	Rule length, beam, moulded depth	m
$Q$	Total fire pump capacity	m³/h

Source: SOLAS II-2 Reg 10; FSS Code Ch.12

In short

Minimum fire pump capacity per SOLAS II-2 Reg 10: Q = (0.

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