Home
FM DS 5-33 / NFPA 88A guidance

Deluge nozzle count for EV parking row

Approximate open-deluge nozzle count for a row of EV charging bays.

Recommended density 10 mm/min over each bay footprint. One K115 nozzle per ~9 m² at 1.0 bar.

Result
Total protected area
104
Open deluge nozzles
12
Suggested flow @ 1.0 bar (K115)
1380 L/min

Formula: N = ceil(bays · bay_area / coverage)

Reference: FM DS 5-33 / NFPA 88A guidance

Embed this calculator

Paste into any blog post or documentation page. Free, no signup, links back to FireTwin AI.

<iframe src="https://www.firetwin.eu/embed/calc/deluge-ev-parking" width="100%" height="640" style="border:1px solid #e5e7eb;border-radius:8px" loading="lazy" title="Deluge nozzle count for EV parking row — FireTwin AI"></iframe>

← Alle rekentools

Design it in FireTwin AI

Generate a compliant sprinkler layout, run the hydraulic calculation and export a priced bill of materials — checked against EN 12845 and NFPA 13.

Related