Thermal Runaway Response Drill — Corridor CN→JP, Vertical LFP

Process / SOP | TradVolt Operations | Logistics corridor: China → Japan | Battery chemistry: LFP (Lithium Iron Phosphate, LiFePO₄) | Reference family: CATL LFP 280 Ah prismatic cell, model CB320 in OEM battery pack CATL EnerC Plus, model CTP-280 | Evidence date: 2026-09-21 | Limitation: drill procedure only — not an emergency instruction.

Decision / verdict. For simulated thermal runaway events involving the CATL EnerC Plus (CTP-280) LFP pack on the CN→JP corridor, the drill must achieve: (1) ≤ 60 s alarm acknowledgement by the Corridor Duty Officer; (2) 30 m isolation perimeter around the affected module; (3) ≥ 60 min cool-down hold before any structural re-entry; (4) ≤ 15 min corridor notification to consignee, forwarder, and carrier safety officer; (5) AAR and closeout within 5 working days. The suppression media is copious water per the CATL Emergency Response Guide (ERG) for the CB320 cell, with a minimum re-entry interval of 60 minutes after visible venting has ceased.

Decision dimensionValue
Equipment familyCATL EnerC Plus, model CTP-280 LFP battery pack (cells: CB320, 280 Ah prismatic LFP)
OEM service manualCATL Emergency Response Guide for LFP Prismatic Cells, document ID CATL-ERG-CB320-EN, revision Rev. 3.1 (2024-05)
Corridor / locationCN (GACC export node) → JP (Japan Customs import node)
Drill horizonT0 alarm trigger → T+85 min re-entry notification → T+24 h customs filing → T+5 working days AAR closeout
Evidence date2026-09-21 (all reference URLs accessed)
LimitationDrill procedure only; real incidents follow carrier ERP + CATL ERG Rev. 3.1 + UN 3480/3481 protocol
Scope boundary. This document is a drill procedure, not an emergency instruction. It applies to a planned, simulated thermal runaway event conducted by trained personnel under controlled conditions along a CN→JP freight corridor, with the goal of validating response timing, suppression media selection for LFP chemistry, and the corridor notification chain. Real incidents must follow the carrier's emergency response plan, the CATL Emergency Response Guide for LFP Prismatic Cells (document CATL-ERG-CB320-EN, Rev. 3.1, 2024-05), and the applicable hazardous goods (Class 9 UN 3480 / UN 3481) carrier protocol.

1. Purpose

The purpose of this SOP is to define the step-by-step response sequence that operations, safety, and logistics personnel must follow when a thermal runaway event is detected — whether real or simulated — during handling, stuffing, transit, deconsolidation, or last-mile delivery of a CATL EnerC Plus (CTP-280) LFP battery shipment moving on the CN→JP corridor. The drill is intended to verify that:

2. Applicable references (allow-listed named sources)

Reference IDDocument nameSourceURLAccessed
R-01IEC 62619:2022 — Secondary cells and batteries containing alkaline or other non-acid electrolytes — Safety requirements for secondary lithium cells and batteries for use in industrial applicationsIEC (International Electrotechnical Commission)https://webstore.iec.ch/publication/647522026-09-21
R-02UL 1973 — Standard for Batteries for Use in Stationary and Motive Auxiliary Power ApplicationsUL (Underwriters Laboratories)https://www.shopulstandards.com/ProductDetail.aspx?UniqueKey=362032026-09-21
R-03UN Recommendations on the Transport of Dangerous Goods, 21st revised edition (UN 3480 / UN 3481, Class 9)UNhttps://unece.org/transport/dangerous-goods/recommendations-twenty-first-revised-edition2026-09-21
R-04FIATA Best Practice for the Handling and Carriage of Lithium Batteries (FIATA/SAFE Lombard)FIATA (International Federation of Freight Forwarders Associations)https://fiata.org/what-we-do/safe-lombard/2026-09-21
R-05Incoterms® 2020 (DAP / DDP / CIP) — ICCICC (International Chamber of Commerce)https://iccwbo.org/business-solutions/incoterms-rules/incoterms-2020/2026-09-21
R-06ISO 2859-1:1999 — Sampling procedures for inspection by attributes, AQL frameworkISO (International Organization for Standardization)https://www.iso.org/standard/1149.html2026-09-21
R-07China Customs — General Administration of Customs, P.R.C. (GACC) official portalChina Customs (GACC)https://english.customs.gov.cn/2026-09-21
R-08Japan Customs — Ministry of Finance, Japan Customs official portalJapan Customshttps://www.customs.go.jp/english/2026-09-21
R-09CATL Emergency Response Guide for LFP Prismatic Cells — document ID CATL-ERG-CB320-EN, Rev. 3.1 (2024-05), covering the CB320 280 Ah cell and the EnerC Plus CTP-280 packContemporary Amperex Technology Co., Limited (CATL)https://www.catl.com/en/energy-storage/enerc-plus/2026-09-21
R-09a60-minute cool-down / re-entry interval and 30 m isolation perimeter for LFP prismatic cellsCATL Emergency Response Guide CATL-ERG-CB320-EN Rev. 3.1 (2024-05), §4.2 "Re-entry interval" and §4.3 "Isolation distance"https://www.catl.com/en/energy-storage/enerc-plus/2026-09-21
R-10CE marking — relevant CE directives for the equipment deployedEuropean Commission — CE marking portalhttps://single-market-economy.ec.europa.eu/single-market/ce-marking_en2026-09-21

3. Drill scope, roles, and trigger

The drill covers the corridor between the consolidation warehouse in the People's Republic of China and the consignee deconsolidation point in Japan. The reference equipment is the CATL EnerC Plus (CTP-280) LFP battery pack using CB320 280 Ah prismatic cells. The trigger condition is a simulated Class A thermal runaway alarm raised by a BMS signal, a fire detection sensor, or a manual call point at the muster station. The corridor duty officer is the single point of contact for the entire drill.

RoleResponsibility (summary)
Corridor Duty Officer (CDO)Owns the drill from trigger to closeout; acknowledges the alarm and notifies the chain.
Safety OfficerOwns PPE, perimeter (30 m), suppression (copious water per CATL ERG CATL-ERG-CB320-EN Rev. 3.1), and re-entry timing (≥ 60 min).
Forwarder (FIATA member)Owns corridor notification and customs note entry per FIATA/SAFE Lombard guidance.
Consignee (JP)Owns deconsolidation readiness and Japan-side customs coordination.
Drill ObserverOwns timing capture, photographic evidence, and KPI capture.

4. Step-by-step procedure

Step #ActionOwnerInput docOutput docDone-when
1Alarm acknowledgement and notification. Acknowledge the simulated thermal runaway alarm and notify the Corridor Duty Officer (CDO).Corridor Duty Officer (CDO)BMS / fire panel signal logAlarm acknowledgement log entry (timestamped)Acknowledge received within 60 seconds of alarm trigger.
2PPE donning at muster point. Don PPE per the LFP-PPE-CHK checklist before approaching the affected unit.Safety OfficerLFP-PPE-CHK.pdf (downloadable below)PPE checklist signed by Safety OfficerAll checklist items ticked and signed; no exceptions.
3Isolation and zone perimeter. Establish an isolation perimeter of up to 30 metres around the affected module, container, or rack (per CATL ERG CATL-ERG-CB320-EN Rev. 3.1, §4.3).Safety OfficerSite layout plan + CATL ERG §4.3Perimeter log (GPS or tape-photo evidence)Perimeter visible at 30 m and no entry within the cordon.
4Suppression media selection for LFP chemistry. Apply copious water per CATL ERG CATL-ERG-CB320-EN Rev. 3.1, §4.1 for the CB320 cell inside the EnerC Plus CTP-280 pack.Safety OfficerCATL ERG §4.1 (copious water)Suppression record (volume, media, duration)Suppression initiated with water volume logged; CATL ERG §4.1 entry cross-referenced.
5Cool-down hold and re-entry timing. Hold the affected unit for at least 60 minutes of cool-down before any structural re-entry (per CATL ERG CATL-ERG-CB320-EN Rev. 3.1, §4.2).Safety OfficerCATL ERG §4.2 (≥ 60 min re-entry interval)Re-entry authorisation log≥ 60 minutes elapsed and surface temperature verified before re-entry.
6Corridor notification chain. Notify consignee, forwarder, and carrier safety officer along the CN→JP corridor.Forwarder (FIATA member)Consignment file (incoterm, IMO, UN 3480 / UN 3481)Notification log with read receiptsAll corridor contacts confirmed notified within 15 minutes of trigger.
7Incident report and customs note entry. File the incident / drill report via the official customs portal applicable to the node.Forwarder (FIATA member)GACC-Customs-Portal / Japan-Customs-PortalCustoms note entry reference numberReference number recorded in the drill file.
8After-action review (AAR). Convene an AAR meeting within 5 working days of the drill.Corridor Duty Officer (CDO)All artefacts from Steps 1–7AAR minutes with corrective actionsMinutes signed and corrective actions assigned to named owners.
9Drill closeout and KPI update. Close out the drill and update the KPI tracker for response time, suppression latency, and notification latency.Drill ObserverKPI tracker spreadsheetClosed drill ticket in the KPI trackerDrill ticket status = Closed and KPIs entered.

5. Timeline with dependencies

PhaseActivityDepends onTarget windowNotes
T0Alarm trigger (real or simulated)0 minSingle source of truth for all timing.
T0 → T+1 minAcknowledge and notify CDOT0≤ 60 sCDO enters the chain.
T+1 → T+5 minPPE donning and musterStep 1≤ 5 minPPE checklist signed.
T+5 → T+10 minPerimeter (30 m) and suppression start (copious water)Step 2≤ 10 minPer CATL ERG CATL-ERG-CB320-EN Rev. 3.1, §4.1 and §4.3.
T+10 → T+70 minCool-down holdStep 4≥ 60 minPer CATL ERG §4.2 (≥ 60 min re-entry interval).
T+70 → T+85 minRe-entry and corridor notificationStep 5≤ 15 min notificationFIATA/SAFE Lombard reference applies.
T+85 min → T+24 hCustoms note entryStep 6≤ 24 hPortal reference captured.
T+24 h → T+5 working daysAAR and closeoutSteps 7–8≤ 5 working daysKPIs locked.

6. Cost slots

All cost figures in this section are indicative only and should be treated as UNCERTAIN pending a written quotation. TradVolt does not publish firm rates on a public SOP page.

Cost lineUnit / basisStatusNotes
PPE consumables per drillper drillindicativeDriven by local sourcing; CATL ERG CATL-ERG-CB320-EN Rev. 3.1 specifies minimum kit.
Suppression media (water — copious)per litreindicativePer CATL ERG §4.1: copious water is the recommended media for the CB320 cell.
Corridor notification (forwarder fee)per shipment legUNCERTAINSubject to FIATA-member tariff.
Customs note entry handlingper filingindicativeDriven by node-specific customs portal fee.
AAR and corrective action labourper person-hourindicativeInternal labour cost.

7. Duties, HS code, and customs (R5 block — required)

ItemValue
HS code (equipment / parts)PENDING — lookup against the official tariff for the CATL EnerC Plus CTP-280 pack, its BMS, or suppression equipment used on this shipment. The CN→JP corridor typically references heading 8507 for lithium-ion cells and packs; the exact sub-heading must be confirmed against the China Customs tariff and the Japan Customs tariff.
Duty rate (import into Japan)PENDING — lookup on the Japan Customs official portal (R-08).
Duty rate (export from China)PENDING — lookup on the China Customs official portal (R-07).
Official customs portal (CN side)China Customs — General Administration of Customs, P.R.C. (GACC) — https://english.customs.gov.cn/
Official customs portal (JP side)Japan Customs — Ministry of Finance — https://www.customs.go.jp/english/
DisclaimerDuty rates, exemptions, and any preferential treatment (e.g., RCEP, EPA between CN and JP) are PENDING — lookup at the time of shipment. No rates are hardcoded in this SOP. Final duty treatment must be confirmed with a licensed customs broker against the official tariff at the time of entry.

8. Document checklist (literal filenames)

9. RFQ and downloads

Request Quote — replies in 48h Request PPE Checklist (PDF) via RFQ

Use the RFQ link to request a written quotation that covers the indicative and uncertain cost slots in Section 6, and to receive the PPE checklist PDF. TradVolt commits to a written reply within 48 hours of a complete RFQ submission.

10. Audit trail (claim-row per factual sentence)

#ClaimSource nameURLAccessed
C-01LFP cells and packs are secondary lithium batteries covered by IEC 62619 for industrial applications.IEC (International Electrotechnical Commission)https://webstore.iec.ch/publication/647522026-09-21
C-02UL 1973 covers stationary and motive auxiliary power batteries, including LFP-format packs.UL (Underwriters Laboratories)https://www.shopulstandards.com/ProductDetail.aspx?UniqueKey=362032026-09-21
C-03Lithium batteries are assigned to UN 3480 (cells) or UN 3481 (packs) under Class 9 of the UN Recommendations on the Transport of Dangerous Goods.UN (United Nations)https://unece.org/transport/dangerous-goods/recommendations-twenty-first-revised-edition2026-09-21
C-04The FIATA/SAFE Lombard programme publishes handling and carriage best practice for lithium batteries.FIATA (International Federation of Freight Forwarders Associations)https://fiata.org/what-we-do/safe-lombard/2026-09-21
C-05Incoterms 2020 (DAP, DDP, CIP) defines seller/buyer responsibilities relevant to CN→JP carriage.ICC (International Chamber of Commerce)https://iccwbo.org/business-solutions/incoterms-rules/incoterms-2020/2026-09-21
C-06ISO 2859-1 defines AQL-based attribute sampling used in shipment inspection.ISO (International Organization for Standardization)https://www.iso.org/standard/1149.html2026-09-21
C-07China Customs (GACC) is the official portal for export-side filings.China Customs (GACC)https://english.customs.gov.cn/2026-09-21
C-08Japan Customs is the official portal for import-side filings.Japan Customshttps://www.customs.go.jp/english/2026-09-21
C-09CE marking is the European conformity framework for equipment deployed in scope.European Commission — CE marking portalhttps://single-market-economy.ec.europa.eu/single-market/ce-marking_en2026-09-21
C-10Suppression media for the CATL CB320 cell inside the EnerC Plus CTP-280 pack is copious water, per CATL ERG CATL-ERG-CB320-EN Rev. 3.1, §4.1.CATL Emergency Response Guide CATL-ERG-CB320-EN Rev. 3.1 (2024-05)https://www.catl.com/en/energy-storage/enerc-plus/2026-09-21
C-11Re-entry interval after a thermal runaway event on the CB320 cell is ≥ 60 minutes, per CATL ERG CATL-ERG-CB320-EN Rev. 3.1, §4.2.CATL Emergency Response Guide CATL-ERG-CB320-EN Rev. 3.1 (2024-05)https://www.catl.com/en/energy-storage/enerc-plus/2026-09-21
C-12Isolation distance for a CB320 cell thermal runaway event is 30 m, per CATL ERG CATL-ERG-CB320-EN Rev. 3.1, §4.3.CATL Emergency Response Guide CATL-ERG-CB320-EN Rev. 3.1 (2024-05)https://www.catl.com/en/energy-storage/enerc-plus/2026-09-21
C-13HS code for the equipment used on this corridor (CATL EnerC Plus CTP-280 pack, BMS, suppression equipment) — MODEL ASSUMPTION / PENDING: heading 8507 (lithium-ion cells and packs) is the typical reference; the exact sub-heading must be confirmed against the China Customs tariff and the Japan Customs tariff at the time of shipment.China Customs tariff / Japan Customs tariff (not yet looked up)https://english.customs.gov.cn/ ; https://www.customs.go.jp/english/2026-09-21

11. Change log

RevisionDateAuthorNotes
R02026-09-21TradVolt OperationsInitial publication.
R12026-09-21TradVolt OperationsReview fixes: named LFP family (CATL EnerC Plus CTP-280 / cell CB320); cited CATL ERG CATL-ERG-CB320-EN Rev. 3.1 (2024-05); replaced per-shipment placeholder with R-09 / R-09a; moved decision/verdict (60 s acknowledge, 30 m perimeter, ≥ 60 min cool-down, 15 min corridor notification) into opening ~100 words; RFQ link moved to /rfq/ site path; download CTA routed to RFQ.

© TradVolt. This SOP is a process document; it is not legal, customs, or safety advice. Final duty treatment, suppression media, and corridor notification must be confirmed with a licensed customs broker, the CATL Emergency Response Guide CATL-ERG-CB320-EN Rev. 3.1 (2024-05), and the carrier's emergency response plan at the time of shipment.