UN 3536 CLASS 9 • NFPA 855 COMPLIANT • DOT ERG GUIDE 147 BUFFER
BESS Container Thermal Runaway & Hazmat Calculator
Simulate off-gas volumetric emission ($H_2, CO, CH_4$), explosive Lower Flammability Limit (LFL) concentration, and emergency response isolation perimeters for utility-scale battery energy storage containers.
BESS Enclosure & Hazmat Inputs
NAMEPLATE CAPACITY (MWH):
3.9 MWh
TRANSPORT STATE OF CHARGE (SOC):
25% (UN 38.3 Safe ≤ 30%)
AMBIENT ROADWAY TEMPERATURE:
35°C (95°F)
ENCLOSURE FREE AIR VOLUME:
45 m³ (1,589 ft³)
Live Thermal Runway & Explosive Gas HUD
UN 3536: LOW TRANSIT RISK
OFF-GAS GENERATION
142 Nm³
H2 + CO + CH4 total
LFL SATURATION %
18.5% LFL
Explosion limit: > 25%
PEAK HEAT RELEASE
4.8 MW
Thermal dissipation rate
WATER QUENCH RATE
380 GPM
NFPA 855 suppression
DOT PHMSA & UN 3536 Transit Compliance Protocol:
UN Number & Shipping Name:
UN 3536 — Lithium Batteries Installed in Cargo Transport Unit
DOT Special Permit Status:
Standard UN 38.3 Testing Protocol (No SP Required)
Road Tunnel Transit Restriction:
ADR Tunnel Category E / US Category 1 (Restricted)
Emergency Isolation Buffer:
150 Meters (500 Feet) — ERG Guide 147
Request BESS Hazmat Route & Emergency Action Plan
Download complete DOT hazmat routing plan, state highway patrol notifications, and NFPA 855 fire agency liaison packets for your energy storage project.