Marine Battery ESS Fire Safety, Ventilation, Detection & Emergency Response Capacity Tool

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Need class / project target checks? Click Advanced above. Add editable ventilation and detection minima, zone-by-zone values, gas-alarm setpoints, redundant fan and detector power, automatic isolation, design-water duration, drainage capacity, SCBA resources, response timing and optional gap-closure budget.

Fast Battery-Space Capacity Profile

Simple mode reports physical capacity only. It does not label ventilation or water values compliant because acceptable values depend on battery design, test data, class, flag and the project fire / explosion risk assessment.

Battery chemistry / system type

Total installed ESS energyMWh.

Battery rooms / fire zones

Battery-space volume per zonem³.

Normal exhaust per zonem³/h.

Emergency / off-gas exhaust per zonem³/h.

Protected deck / room area per zonem².

Installed fixed-water flow per zoneL/min.

Usable fixed-water reserve per zonem³.

Detection / isolation package status

Battery System & Project Target Basis

All thresholds below are project inputs. Confirm them against the approved battery vendor data, fire / explosion risk assessment, class society, flag Administration and vessel design basis.

Battery chemistry / system type

Battery application

Total installed ESS energyMWh.

Project minimum normal ventilationair changes / hour.

Risk-assessment minimum emergency ventilationair changes / hour.

Minimum gas detectors per zone

Minimum smoke detectors per zone

Minimum heat detectors per zone

Project water application targetL/min/m². Project/vendor input only.

Project design water durationminutes.

Water reserve allowance% above calculated design volume.

Drainage capacity target% of design water volume to be locally contained / drained.

Battery-Space Safety Register

Each row is tested independently. Zone labels are excluded from Ship Universe Tool Data; engineering values are retained.

Zone	ESS MWh	Vol m³	Area m²	Normal m³/h	Emergency m³/h	Gas	Smoke	Heat	Water L/min	Water m³	Drain m³

Detection, Isolation & Ventilation Logic

Battery-space gas alarm setpoint% LEL, project input.

Project maximum battery-space setpoint% LEL.

Vent-duct gas alarm setpoint% LEL.

Project maximum vent-duct setpoint% LEL.

Ventilation redundancy

Ventilation power resilience

Continuous gas detectionContinuous battery-space or exhaust-duct gas monitoring is included where required by the project basis. Detection power redundancyDetector / alarm supply remains available after a relevant single failure. Automatic emergency ventilationDefined alarm / thermal event initiates the approved ventilation response. Automatic battery isolationAffected section / string can be electrically isolated by approved logic. External emergency disconnectEmergency disconnect / isolation is accessible from outside the battery space. Distinct alarm routingRequired bridge / control-room / machinery alarm destinations are verified.

Fixed Fire Control & Water Handling

Primary fixed fire-control concept

Drain / water handling concept

Hydrant / external water accessExternal cooling / boundary-control water access is included where required. Escalation strategy definedThe approved emergency plan defines monitoring, cooling, isolation and escalation stages. Post-incident gas removal addressedControlled off-gas removal and atmosphere monitoring are included. Stage-by-stage fire procedure documentedIsolation, ventilation, fixed-system use and boundary cooling actions are documented.

Emergency Response Resources & Timing

Simultaneous responders requiring SCBA

Available SCBA sets / cylinders

Planning duration per SCBA setminutes of planning capacity only.

Required team operating durationminutes used only for resource-count planning.

Expected detection-to-isolation timeseconds.

Project detection-to-isolation targetseconds.

Expected alarm-to-fixed-system actionminutes.

Project alarm-to-fixed-system targetminutes.

Crew / procedure readiness% internal preparedness input.

Post-event monitoring hold pointminutes; planning hold only, not a safe-entry determination.

Remote BMS / gas / temperature monitoringBattery-space condition can be monitored without entry. Emergency communicationsResponse team and control stations remain connected.

Optional Gap-Closure Budget

Internal planning allowances only. Leave zero to keep this a pure safety-capacity screen.

Ventilation allowance / deficient zone

Detection allowance / deficient zone

Fire / drainage allowance / deficient zone

Controls / EDS allowance

Crew drill / procedure campaign

Safety-capacity screening only: do not use this tool to establish safe entry, determine a flammable off-gas dilution rate, select extinguishing agent, prescribe firefighting tactics, establish thermal-runaway propagation behavior, set alarm thresholds or replace a battery-specific fire / explosion risk assessment. Final design and emergency procedures must use battery-vendor test data, approved system architecture and applicable class, flag and statutory requirements.