| Ladder words | Cal OES standard terms: Evacuation Warning, Evacuation Order, Shelter in Place, Lifted. | Colour warnings (blue, yellow, orange, red) are hazard levels, not evacuation states; moving people needs a separate relocation order (转移指令). Never auto-promote a red warning into an order: the human key matters more, not less. |
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| Decider | The overnight supervisor of the city or county alert desk; the duty officer approves | The county or district forest fire prevention and suppression headquarters (森林防灭火指挥部) duty leader or the front-line command post; under Chongqing's 2026 regulation a township or street head may act on the spot (临机处置权), and the act is reported upward |
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| Emergency number in every call | 911One number for everything | 119No single number: 119 fire and rescue, 120 ambulance, 110 police, 122 traffic; 12345 is the non-emergency government line |
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| Public channel and dose | Wireless Emergency Alerts through FEMA IPAWS; county mass notification Dose: the population inside the polygon, shown before the send. | National Emergency Early-Warning Information Release System (国家突发事件预警信息发布系统, CAP-based): 12379 SMS, WeChat, village loudspeakers (大喇叭), TV and radio; carriers must carry government warnings free of charge The dose preview counts 12379 / carrier targeted-SMS audiences by base-station area instead of WEA cells. |
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| Sentinels | Enrolled residents, CERT members and block captains at the zone's edges. | Sentinels become the existing call-and-respond (叫应) practice: ring the named village or community relocation leads (转移责任人) and grid workers (网格员) at the zone's edges and require an acknowledgement. |
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| Voice and AI model | Retell AI over the US phone network; browser phone fallback Claude through the Anthropic API | A registered, number-authenticated government line through a domestic carrier or cloud platform (no Retell); one canary phone on each of China Mobile, China Telecom, China Unicom and China Broadcast Network; every call opens with an AI-voice disclosure (CAC AI content labeling measures; GB 45438-2025) Claude is not available in mainland China (Anthropic supported regions). A CAC-filed domestic model, hosted in-country, sits behind the same eight tools and the same verbatim-relay rule (Interim Measures for Generative AI Services, 2023) |
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| Privacy | California privacy law; the FCC treats AI voices as artificial voice under the TCPA, with an emergency-purpose exemption | PIPL: last-seen locations and health needs are sensitive personal information (Art. 28) needing separate consent (Art. 29) unless the emergency basis applies (Art. 13(4)); vulnerable residents are pre-registered with named help-responsible persons (Chongqing 2026 regulation, Art. 8); everything stays on in-country government cloud |
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| Maps | Esri and OpenStreetMap tiles, WGS-84 | Public maps need an approval number (审图号); approved providers use GCJ-02, where raw GPS lands about 100-700 m off, so coordinates are converted at render time (Tianditu uses CGCS2000) |
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| Languages | English, Spanish, Korean, Mandarin, Hindi, French, Armenian, Filipino | Mandarin, English |
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| Last mile | No answer becomes retries, a call to a linked contact, then a door-knock row for the quick response team. | Last mile is human: WeChat official-account pushes, village WeChat groups, loudspeakers, and the printable door-knock sheet for cadres. |
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