触目惊心！耗资6.47亿美元、即将完工的尼泊尔最大在建水电站，被洪水彻底冲垮
触目惊心！耗资6.47亿美元、即将完工的尼泊尔最大在建水电站，被洪水彻底冲垮Shocking! Nepal’s Largest Under-Construction Hydropower Project Worth $647 Million Fully Washed Away by Floods
触目惊心！耗资6.47亿美元、即将完工的尼泊尔最大在建水电站，被洪水彻底冲垮
Shocking! Nepal’s Largest Under-Construction Hydropower Project Worth $647 Million Fully Washed Away by Floods
一场突如其来的灾难性洪水，让尼泊尔举国期待的重磅基建工程遭遇毁灭性打击。当地特里苏里河爆发的凶猛洪水，直接重创了该国规模最大的在建水电项目——特里苏里上游1号水电站，这座耗资6.47亿美元、工程进度已达84%、即将收官投用的核心能源工程，顷刻间损毁惨重，多年建设成果近乎付诸东流，也让尼泊尔的电力发展规划遭遇重大挫折。A catastrophic sudden flood has dealt a devastating blow to Nepal’s most anticipated flagship infrastructure project. Severe flooding along the Trishuli River has severely damaged the Upper Trishuli-1 Hydropower Project, the country’s largest ongoing hydropower development. Worth a total of $647 million and 84% complete at the final stage of construction, this core energy facility suffered massive destruction in an instant. Years of construction efforts were nearly ruined, dealing a major setback to Nepal’s national power development plans.据现场灾情核查信息显示，此次洪水对电站设施造成了不可逆的破坏，项目上部大坝超90%的结构被彻底摧毁，配套的建筑工人居住营地也有近90%被冲毁，现场满目疮痍，各类施工设备、临时建筑尽数被洪水裹挟损毁。这座装机容量216兆瓦的水电站，坐落于加德满都以北约70公里的特里苏里河沿岸，是尼泊尔重点打造的国家级关键基础设施，承载着该国缓解电力短缺、完善能源体系的重要期许。按照最初规划，项目建成后将为尼泊尔提供超10%的全国电力供应，极大改善当地供电紧张的现状，原计划于2026年底完成全部建设工作，2027年7月正式投入商业运营，如今这场洪水彻底击碎了这一规划。On-site disaster assessments confirm that the flood caused irreversible damage to the hydropower facility. Over 90% of the project’s upper dam structure was completely destroyed, and nearly 90% of the on-site worker camps were washed away. The entire site was left in ruins, with construction equipment and temporary buildings devastated by the raging floodwaters. Located on the banks of the Trishuli River, approximately 70 kilometers north of Kathmandu, the 216 MW hydropower station is a key national infrastructure project strategically built to ease Nepal’s power shortage and optimize its energy system. Upon completion, it was expected to supply more than 10% of the country’s total electricity, greatly improving domestic power supply conditions. The project was scheduled to finish construction by the end of 2026 and commence commercial operation in July 2027, a plan now completely shattered by the deadly flood.该水电项目并非小型民生工程，背后有着成熟的跨国投资与建设体系支撑，整体规格与建设标准在尼泊尔基建领域堪称顶尖。项目由韩国东西发电公司与斗山能源两大韩国企业主导建设，其中韩国东西发电公司持有50%项目股份，拥有电站未来30年的运营权，每年可向尼泊尔政府出售1456吉瓦时电力。同时，项目获得了九家国际机构的信贷支持，包括国际金融公司、亚洲开发银行、亚洲基础设施投资银行等知名国际金融机构，足以见得该项目的重要战略价值与行业影响力。Far from being a minor local project, this hydropower scheme is backed by a sophisticated transnational investment and construction framework, ranking among Nepal’s top-tier infrastructure developments in terms of overall standards and specifications. Led by two major South Korean enterprises — Korea South-East Power and Doosan Enerbility — the project sees Korea South-East Power holding a 50% stake. The company is entitled to operate the power plant for 30 years and supply 1,456 GWh of electricity to the Nepalese government annually. Furthermore, the project has secured credit support from nine international financial institutions, including the International Finance Corporation (IFC), the Asian Development Bank (ADB), and the Asian Infrastructure Investment Bank (AIIB), underscoring its significant strategic value and industry influence.回望项目建设历程，其推进之路本就坎坷不断。该项目最早于2011年启动开发，由韩国东西发电公司联合国际金融公司牵头落地，但2015年尼泊尔突发毁灭性地震，引发大规模山体滑坡，彻底阻断了通往工地的交通道路，还造成一名韩国施工员工受伤，项目建设被迫全面停滞。直至2016年项目签署政府担保协议，2018年敲定购电协议后，工程才重回正轨，并于2021年正式启动全面建设。雪上加霜的是，特里苏里河在2024年、2025年连续爆发洪水，项目多次遭遇工期延误，本就艰难的建设进程一再受阻，谁也未曾料到，即将完工之际会遭遇如此毁灭性的洪水冲击。The project has endured a bumpy construction journey since its launch. First initiated in 2011 under the leadership of Korea South-East Power and the IFC, construction came to a full halt in 2015 after a catastrophic earthquake struck Nepal. The disaster triggered massive landslides that completely blocked access roads to the construction site and injured a Korean construction worker. The project only got back on track after signing a government guarantee agreement in 2016 and a power purchase agreement in 2018, with full-scale construction officially kicking off in 2021. To make matters worse, repeated floods on the Trishuli River in 2024 and 2025 caused continuous construction delays, hindering the already challenging progress. No one anticipated that the project would suffer such destructive flooding right before completion.
一场突如其来的灾难性洪水，让尼泊尔举国期待的重磅基建工程遭遇毁灭性打击。当地特里苏里河爆发的凶猛洪水，直接重创了该国规模最大的在建水电项目——特里苏里上游1号水电站，这座耗资6.47亿美元、工程进度已达84%、即将收官投用的核心能源工程，顷刻间损毁惨重，多年建设成果近乎付诸东流，也让尼泊尔的电力发展规划遭遇重大挫折。A catastrophic sudden flood has dealt a devastating blow to Nepal’s most anticipated flagship infrastructure project. Severe flooding along the Trishuli River has severely damaged the Upper Trishuli-1 Hydropower Project, the country’s largest ongoing hydropower development. Worth a total of $647 million and 84% complete at the final stage of construction, this core energy facility suffered massive destruction in an instant. Years of construction efforts were nearly ruined, dealing a major setback to Nepal’s national power development plans.
一场突如其来的灾难性洪水，让尼泊尔举国期待的重磅基建工程遭遇毁灭性打击。当地特里苏里河爆发的凶猛洪水，直接重创了该国规模最大的在建水电项目——特里苏里上游1号水电站，这座耗资6.47亿美元、工程进度已达84%、即将收官投用的核心能源工程，顷刻间损毁惨重，多年建设成果近乎付诸东流，也让尼泊尔的电力发展规划遭遇重大挫折。
A catastrophic sudden flood has dealt a devastating blow to Nepal’s most anticipated flagship infrastructure project. Severe flooding along the Trishuli River has severely damaged the Upper Trishuli-1 Hydropower Project, the country’s largest ongoing hydropower development. Worth a total of $647 million and 84% complete at the final stage of construction, this core energy facility suffered massive destruction in an instant. Years of construction efforts were nearly ruined, dealing a major setback to Nepal’s national power development plans.
据现场灾情核查信息显示，此次洪水对电站设施造成了不可逆的破坏，项目上部大坝超90%的结构被彻底摧毁，配套的建筑工人居住营地也有近90%被冲毁，现场满目疮痍，各类施工设备、临时建筑尽数被洪水裹挟损毁。这座装机容量216兆瓦的水电站，坐落于加德满都以北约70公里的特里苏里河沿岸，是尼泊尔重点打造的国家级关键基础设施，承载着该国缓解电力短缺、完善能源体系的重要期许。按照最初规划，项目建成后将为尼泊尔提供超10%的全国电力供应，极大改善当地供电紧张的现状，原计划于2026年底完成全部建设工作，2027年7月正式投入商业运营，如今这场洪水彻底击碎了这一规划。On-site disaster assessments confirm that the flood caused irreversible damage to the hydropower facility. Over 90% of the project’s upper dam structure was completely destroyed, and nearly 90% of the on-site worker camps were washed away. The entire site was left in ruins, with construction equipment and temporary buildings devastated by the raging floodwaters. Located on the banks of the Trishuli River, approximately 70 kilometers north of Kathmandu, the 216 MW hydropower station is a key national infrastructure project strategically built to ease Nepal’s power shortage and optimize its energy system. Upon completion, it was expected to supply more than 10% of the country’s total electricity, greatly improving domestic power supply conditions. The project was scheduled to finish construction by the end of 2026 and commence commercial operation in July 2027, a plan now completely shattered by the deadly flood.
据现场灾情核查信息显示，此次洪水对电站设施造成了不可逆的破坏，项目上部大坝超90%的结构被彻底摧毁，配套的建筑工人居住营地也有近90%被冲毁，现场满目疮痍，各类施工设备、临时建筑尽数被洪水裹挟损毁。这座装机容量216兆瓦的水电站，坐落于加德满都以北约70公里的特里苏里河沿岸，是尼泊尔重点打造的国家级关键基础设施，承载着该国缓解电力短缺、完善能源体系的重要期许。按照最初规划，项目建成后将为尼泊尔提供超10%的全国电力供应，极大改善当地供电紧张的现状，原计划于2026年底完成全部建设工作，2027年7月正式投入商业运营，如今这场洪水彻底击碎了这一规划。
On-site disaster assessments confirm that the flood caused irreversible damage to the hydropower facility. Over 90% of the project’s upper dam structure was completely destroyed, and nearly 90% of the on-site worker camps were washed away. The entire site was left in ruins, with construction equipment and temporary buildings devastated by the raging floodwaters. Located on the banks of the Trishuli River, approximately 70 kilometers north of Kathmandu, the 216 MW hydropower station is a key national infrastructure project strategically built to ease Nepal’s power shortage and optimize its energy system. Upon completion, it was expected to supply more than 10% of the country’s total electricity, greatly improving domestic power supply conditions. The project was scheduled to finish construction by the end of 2026 and commence commercial operation in July 2027, a plan now completely shattered by the deadly flood.
该水电项目并非小型民生工程，背后有着成熟的跨国投资与建设体系支撑，整体规格与建设标准在尼泊尔基建领域堪称顶尖。项目由韩国东西发电公司与斗山能源两大韩国企业主导建设，其中韩国东西发电公司持有50%项目股份，拥有电站未来30年的运营权，每年可向尼泊尔政府出售1456吉瓦时电力。同时，项目获得了九家国际机构的信贷支持，包括国际金融公司、亚洲开发银行、亚洲基础设施投资银行等知名国际金融机构，足以见得该项目的重要战略价值与行业影响力。Far from being a minor local project, this hydropower scheme is backed by a sophisticated transnational investment and construction framework, ranking among Nepal’s top-tier infrastructure developments in terms of overall standards and specifications. Led by two major South Korean enterprises — Korea South-East Power and Doosan Enerbility — the project sees Korea South-East Power holding a 50% stake. The company is entitled to operate the power plant for 30 years and supply 1,456 GWh of electricity to the Nepalese government annually. Furthermore, the project has secured credit support from nine international financial institutions, including the International Finance Corporation (IFC), the Asian Development Bank (ADB), and the Asian Infrastructure Investment Bank (AIIB), underscoring its significant strategic value and industry influence.
该水电项目并非小型民生工程，背后有着成熟的跨国投资与建设体系支撑，整体规格与建设标准在尼泊尔基建领域堪称顶尖。项目由韩国东西发电公司与斗山能源两大韩国企业主导建设，其中韩国东西发电公司持有50%项目股份，拥有电站未来30年的运营权，每年可向尼泊尔政府出售1456吉瓦时电力。同时，项目获得了九家国际机构的信贷支持，包括国际金融公司、亚洲开发银行、亚洲基础设施投资银行等知名国际金融机构，足以见得该项目的重要战略价值与行业影响力。
Far from being a minor local project, this hydropower scheme is backed by a sophisticated transnational investment and construction framework, ranking among Nepal’s top-tier infrastructure developments in terms of overall standards and specifications. Led by two major South Korean enterprises — Korea South-East Power and Doosan Enerbility — the project sees Korea South-East Power holding a 50% stake. The company is entitled to operate the power plant for 30 years and supply 1,456 GWh of electricity to the Nepalese government annually. Furthermore, the project has secured credit support from nine international financial institutions, including the International Finance Corporation (IFC), the Asian Development Bank (ADB), and the Asian Infrastructure Investment Bank (AIIB), underscoring its significant strategic value and industry influence.
回望项目建设历程，其推进之路本就坎坷不断。该项目最早于2011年启动开发，由韩国东西发电公司联合国际金融公司牵头落地，但2015年尼泊尔突发毁灭性地震，引发大规模山体滑坡，彻底阻断了通往工地的交通道路，还造成一名韩国施工员工受伤，项目建设被迫全面停滞。直至2016年项目签署政府担保协议，2018年敲定购电协议后，工程才重回正轨，并于2021年正式启动全面建设。雪上加霜的是，特里苏里河在2024年、2025年连续爆发洪水，项目多次遭遇工期延误，本就艰难的建设进程一再受阻，谁也未曾料到，即将完工之际会遭遇如此毁灭性的洪水冲击。The project has endured a bumpy construction journey since its launch. First initiated in 2011 under the leadership of Korea South-East Power and the IFC, construction came to a full halt in 2015 after a catastrophic earthquake struck Nepal. The disaster triggered massive landslides that completely blocked access roads to the construction site and injured a Korean construction worker. The project only got back on track after signing a government guarantee agreement in 2016 and a power purchase agreement in 2018, with full-scale construction officially kicking off in 2021. To make matters worse, repeated floods on the Trishuli River in 2024 and 2025 caused continuous construction delays, hindering the already challenging progress. No one anticipated that the project would suffer such destructive flooding right before completion.
回望项目建设历程，其推进之路本就坎坷不断。该项目最早于2011年启动开发，由韩国东西发电公司联合国际金融公司牵头落地，但2015年尼泊尔突发毁灭性地震，引发大规模山体滑坡，彻底阻断了通往工地的交通道路，还造成一名韩国施工员工受伤，项目建设被迫全面停滞。直至2016年项目签署政府担保协议，2018年敲定购电协议后，工程才重回正轨，并于2021年正式启动全面建设。雪上加霜的是，特里苏里河在2024年、2025年连续爆发洪水，项目多次遭遇工期延误，本就艰难的建设进程一再受阻，谁也未曾料到，即将完工之际会遭遇如此毁灭性的洪水冲击。
The project has endured a bumpy construction journey since its launch. First initiated in 2011 under the leadership of Korea South-East Power and the IFC, construction came to a full halt in 2015 after a catastrophic earthquake struck Nepal. The disaster triggered massive landslides that completely blocked access roads to the construction site and injured a Korean construction worker. The project only got back on track after signing a government guarantee agreement in 2016 and a power purchase agreement in 2018, with full-scale construction officially kicking off in 2021. To make matters worse, repeated floods on the Trishuli River in 2024 and 2025 caused continuous construction delays, hindering the already challenging progress. No one anticipated that the project would suffer such destructive flooding right before completion.
致命预警漏洞：整套防护体系形同虚设，灾难早有预兆却无人落实Fatal Early Warning Flaws: A Defective Protection System, Foreseeable Disaster Left Unaddressed事实上，这场毁灭性灾难并非毫无征兆，早在2024年5月，独立专家小组就曾为亚洲开发银行编制专项监测报告，明确预警了该项目面临的双重洪水风险，精准预判了此次灾难的发生隐患。报告指出，特里苏里河的洪水风险主要分为两类，一类是上游地质运动、冰川活动引发的突发性山洪，会直接威胁上游工地作业区与围堰下游区域的人员安全；另一类是季风期洪水突破工程设计标准，淹没原本划定的安全作业、停留区域，两大风险恰好覆盖了项目核心施工区域，危险系数极高。This catastrophic accident was by no means unforeseen. As early as May 2024, an independent panel of experts compiled a special monitoring report for the Asian Development Bank, explicitly identifying two major flood risks facing the project and accurately predicting potential catastrophic hazards. The report classified flood threats on the Trishuli River into two categories: sudden flash floods triggered by upstream geological movements or glacial activities, which pose severe risks to workers in upstream construction zones and downstream cofferdam areas; and monsoon floods exceeding the project’s design standards, which can subdue designated safe working and resting zones. These two risks precisely covered the core construction areas, creating an extremely high safety hazard.令人唏嘘的是，项目方搭建的洪水预警体系极度简陋、漏洞百出，完全达不到工程安全防护标准，本质是一套缺乏专业工程设计的“土法防护系统”。为应对突发山洪风险，项目方在工地上游12公里的奇利梅区域安装了水位传感器，依靠浮子遇水通电触发警报，但这套设备的设计存在致命缺陷。监测人员实地核查时发现，即便围堰处水位已逼近堰顶、险情迫在眉睫，上游传感器位置的河水水位仍有数米落差，无法及时触发预警。更不合理的是，该传感器采用“遇水淹没通电报警”的逻辑，一旦突发山洪来袭，高速水流会直接将传感器冲走，根本来不及触发警报，反观行业通用的“常态通电、断联报警”设计，安全性与灵敏度远超该项目设备，而项目施工方与管理方始终未优化整改。Tragically, the flood early warning system established by the project developer was extremely rudimentary and riddled with flaws, failing to meet basic engineering safety standards and amounting to an unprofessional makeshift setup. To guard against flash floods, the developer installed water level sensors with float-activated circuits 12 kilometers upstream at Chilime, designed to trigger alarms when submerged. However, the equipment had fatal design defects. On-site inspections revealed that even when water levels neared the cofferdam crest and danger was imminent, the water level at the upstream sensor remained several meters below the trigger height, failing to issue timely warnings. More critically, the submergence-activated alarm design was fundamentally flawed. In the event of a sudden flash flood, the powerful surging water would wash the sensor away before any alarm could be triggered. In contrast, the industry-standard continuous-power alarm system that alerts on circuit disconnection offers far higher safety and sensitivity, yet the developer never implemented necessary optimizations and rectifications.除了失效的传感器，项目仅依靠单人12小时轮班的观察哨作为人工预警手段，预警机制的专业性、严谨性严重缺失。值守观察员需每小时在工作群组上传围堰水位照片，但夜间作业无任何照明设备，水位情况模糊不清，只能拍出漆黑的无效画面，根本无法精准判断水情。更关键的是，观察员无权手动触发警报，即便肉眼发现山洪险情，也无法第一时间启动预警、组织人员撤离，整套人工预警体系流于形式，完全无法应对突发险情。Compounding the defective sensors, the project relied solely on single-person 12-hour rotating sentinel shifts for manual flood monitoring, resulting in an unprofessional and sloppy early warning mechanism. On-duty observers were required to upload hourly water level photos of the cofferdam to the work group chat. However, the site lacked night lighting, leaving water levels invisible and resulting in completely dark, useless photos that prevented accurate water condition assessment. Most importantly, observers had no authority to manually trigger emergency alarms. Even if they spotted incoming flash floods, they could not activate early warnings or organize worker evacuations in a timely manner, rendering the entire manual monitoring system purely formalistic and incapable of responding to sudden emergencies.项目配套的《应急准备计划》同样存在诸多不切实际的漏洞，对不同等级洪水的应对方案模糊且不合理。预案将洪水划分为三个等级，规定流量低于1367.3立方米/秒的小型洪水无需采取任何行动，但业主工程师实地核验后明确指出，该流量下围堰已会被大面积漫过，上游所有施工、停留作业都应立即停止，预案标准与实际险情完全脱节。针对1367.3至1827立方米/秒的中型洪水，预案仅笼统要求“撤离高处员工”，却未明确撤离人员范围、具体作业区域、安全撤离高度等核心信息，无任何可落地执行的操作标准。而针对超1827立方米/秒的大型洪水，预案错误预判主营地区域会被完全冲毁，与实际场地风险情况严重不符，误导了整体应急部署。The project’s official Emergency Preparedness and Response Plan (EPRP) also contained numerous impractical loopholes with vague and unreasonable response protocols for different flood magnitudes. The plan categorized floods into three tiers and claimed that no action was required for small floods with a flow rate below 1,367.3 cubic meters per second. However, on-site verification by the owner’s engineer confirmed that such a flow rate would already cause extensive cofferdam overtopping, requiring an immediate halt to all construction and on-site activities in upstream areas — a clear disconnect between official guidelines and actual on-site risks. For medium floods with a flow rate between 1,367.3 and 1,827 cubic meters per second, the plan only vaguely instructed personnel to “evacuate to high ground”, without specifying the scope of affected staff, targeted work zones, or safe evacuation altitudes, providing no actionable operational standards. For major floods exceeding 1,827 cubic meters per second, the plan incorrectly predicted the complete destruction of the main camp area, a misjudgment that distorted overall emergency response arrangements.早在灾难发生前，现场核查人员、工程专家就已明确得出结论，该项目的洪水预警系统、应急处置预案均存在根本性缺陷，缺乏专业工程支撑，无法抵御真实洪水风险，同时建议由资深专业团队全面重构预警体系与应急方案，并交由业主工程师审核落地。遗憾的是，这份关键的整改建议并未被重视，所有隐患持续留存，最终在极端洪水天气下集中爆发，酿成重大工程损毁与人员被困的惨剧。Prior to the disaster, on-site inspectors and engineering experts had already concluded that the project’s flood early warning system and emergency response plan suffered from fundamental structural defects and lacked professional engineering support, making them incapable of withstanding real flood risks. Experts recommended a comprehensive overhaul of the early warning system and flood response clauses in the emergency plan by experienced professionals, followed by review and approval by the owner’s engineer. Regrettably, these critical rectification suggestions were ignored. All hidden safety hazards remained unaddressed and ultimately erupted amid extreme flooding, resulting in massive project damage and worker entrapment.灾情发生后，尼泊尔第一时间启动紧急救援行动，全力营救被困人员。目前救援队伍已成功从电站隧道中救出350名工人与当地民众，但仍有近100人被困隧道之中，搜救工作仍在争分夺秒推进。此次洪水不仅摧毁了尼泊尔耗费十余年心血打造的重点能源工程，造成数亿美元的直接经济损失，更让无数施工人员身陷险境，后续工程修复、人员安置、工期重置都将面临巨大挑战。Immediately after the disaster, Nepal launched an emergency rescue operation to save trapped personnel. Rescue teams have successfully evacuated 350 workers and local residents from the project tunnels, while nearly 100 people remain trapped underground, with round-the-clock search and rescue efforts ongoing. The devastating flood has not only destroyed Nepal’s decade-long flagship energy project, causing hundreds of millions of dollars in direct economic losses, but also endangered the lives of countless construction workers. Subsequent project restoration, personnel resettlement, and construction schedule resetting will face enormous challenges.这场悲剧也为全球跨境基建工程敲响了警钟。重大工程项目的安全建设，从来不止于工程进度与建设规模，完善的风险预警体系、科学的应急处置方案、落地的隐患整改机制，才是守护工程安全与人员生命的核心底线。看似不起眼的设备设计漏洞、流于形式的预警机制、模糊的应急预案，最终都会在极端自然灾害面前被无限放大，酿成无法挽回的损失。This tragedy serves as a sobering warning for global cross-border infrastructure projects. The safety of major engineering projects never lies merely in construction progress and scale. A robust risk early warning system, scientific emergency response protocols, and effective hazard rectification mechanisms are the fundamental bottom lines for protecting project integrity and human lives. Seemingly minor equipment design flaws, formalistic early warning mechanisms, and ambiguous emergency plans will always be magnified in extreme natural disasters, leading to irreversible and devastating losses.
致命预警漏洞：整套防护体系形同虚设，灾难早有预兆却无人落实Fatal Early Warning Flaws: A Defective Protection System, Foreseeable Disaster Left Unaddressed
致命预警漏洞：整套防护体系形同虚设，灾难早有预兆却无人落实
Fatal Early Warning Flaws: A Defective Protection System, Foreseeable Disaster Left Unaddressed
事实上，这场毁灭性灾难并非毫无征兆，早在2024年5月，独立专家小组就曾为亚洲开发银行编制专项监测报告，明确预警了该项目面临的双重洪水风险，精准预判了此次灾难的发生隐患。报告指出，特里苏里河的洪水风险主要分为两类，一类是上游地质运动、冰川活动引发的突发性山洪，会直接威胁上游工地作业区与围堰下游区域的人员安全；另一类是季风期洪水突破工程设计标准，淹没原本划定的安全作业、停留区域，两大风险恰好覆盖了项目核心施工区域，危险系数极高。This catastrophic accident was by no means unforeseen. As early as May 2024, an independent panel of experts compiled a special monitoring report for the Asian Development Bank, explicitly identifying two major flood risks facing the project and accurately predicting potential catastrophic hazards. The report classified flood threats on the Trishuli River into two categories: sudden flash floods triggered by upstream geological movements or glacial activities, which pose severe risks to workers in upstream construction zones and downstream cofferdam areas; and monsoon floods exceeding the project’s design standards, which can subdue designated safe working and resting zones. These two risks precisely covered the core construction areas, creating an extremely high safety hazard.令人唏嘘的是，项目方搭建的洪水预警体系极度简陋、漏洞百出，完全达不到工程安全防护标准，本质是一套缺乏专业工程设计的“土法防护系统”。为应对突发山洪风险，项目方在工地上游12公里的奇利梅区域安装了水位传感器，依靠浮子遇水通电触发警报，但这套设备的设计存在致命缺陷。监测人员实地核查时发现，即便围堰处水位已逼近堰顶、险情迫在眉睫，上游传感器位置的河水水位仍有数米落差，无法及时触发预警。更不合理的是，该传感器采用“遇水淹没通电报警”的逻辑，一旦突发山洪来袭，高速水流会直接将传感器冲走，根本来不及触发警报，反观行业通用的“常态通电、断联报警”设计，安全性与灵敏度远超该项目设备，而项目施工方与管理方始终未优化整改。Tragically, the flood early warning system established by the project developer was extremely rudimentary and riddled with flaws, failing to meet basic engineering safety standards and amounting to an unprofessional makeshift setup. To guard against flash floods, the developer installed water level sensors with float-activated circuits 12 kilometers upstream at Chilime, designed to trigger alarms when submerged. However, the equipment had fatal design defects. On-site inspections revealed that even when water levels neared the cofferdam crest and danger was imminent, the water level at the upstream sensor remained several meters below the trigger height, failing to issue timely warnings. More critically, the submergence-activated alarm design was fundamentally flawed. In the event of a sudden flash flood, the powerful surging water would wash the sensor away before any alarm could be triggered. In contrast, the industry-standard continuous-power alarm system that alerts on circuit disconnection offers far higher safety and sensitivity, yet the developer never implemented necessary optimizations and rectifications.
事实上，这场毁灭性灾难并非毫无征兆，早在2024年5月，独立专家小组就曾为亚洲开发银行编制专项监测报告，明确预警了该项目面临的双重洪水风险，精准预判了此次灾难的发生隐患。报告指出，特里苏里河的洪水风险主要分为两类，一类是上游地质运动、冰川活动引发的突发性山洪，会直接威胁上游工地作业区与围堰下游区域的人员安全；另一类是季风期洪水突破工程设计标准，淹没原本划定的安全作业、停留区域，两大风险恰好覆盖了项目核心施工区域，危险系数极高。
This catastrophic accident was by no means unforeseen. As early as May 2024, an independent panel of experts compiled a special monitoring report for the Asian Development Bank, explicitly identifying two major flood risks facing the project and accurately predicting potential catastrophic hazards. The report classified flood threats on the Trishuli River into two categories: sudden flash floods triggered by upstream geological movements or glacial activities, which pose severe risks to workers in upstream construction zones and downstream cofferdam areas; and monsoon floods exceeding the project’s design standards, which can subdue designated safe working and resting zones. These two risks precisely covered the core construction areas, creating an extremely high safety hazard.
令人唏嘘的是，项目方搭建的洪水预警体系极度简陋、漏洞百出，完全达不到工程安全防护标准，本质是一套缺乏专业工程设计的“土法防护系统”。为应对突发山洪风险，项目方在工地上游12公里的奇利梅区域安装了水位传感器，依靠浮子遇水通电触发警报，但这套设备的设计存在致命缺陷。监测人员实地核查时发现，即便围堰处水位已逼近堰顶、险情迫在眉睫，上游传感器位置的河水水位仍有数米落差，无法及时触发预警。更不合理的是，该传感器采用“遇水淹没通电报警”的逻辑，一旦突发山洪来袭，高速水流会直接将传感器冲走，根本来不及触发警报，反观行业通用的“常态通电、断联报警”设计，安全性与灵敏度远超该项目设备，而项目施工方与管理方始终未优化整改。
Tragically, the flood early warning system established by the project developer was extremely rudimentary and riddled with flaws, failing to meet basic engineering safety standards and amounting to an unprofessional makeshift setup. To guard against flash floods, the developer installed water level sensors with float-activated circuits 12 kilometers upstream at Chilime, designed to trigger alarms when submerged. However, the equipment had fatal design defects. On-site inspections revealed that even when water levels neared the cofferdam crest and danger was imminent, the water level at the upstream sensor remained several meters below the trigger height, failing to issue timely warnings. More critically, the submergence-activated alarm design was fundamentally flawed. In the event of a sudden flash flood, the powerful surging water would wash the sensor away before any alarm could be triggered. In contrast, the industry-standard continuous-power alarm system that alerts on circuit disconnection offers far higher safety and sensitivity, yet the developer never implemented necessary optimizations and rectifications.
除了失效的传感器，项目仅依靠单人12小时轮班的观察哨作为人工预警手段，预警机制的专业性、严谨性严重缺失。值守观察员需每小时在工作群组上传围堰水位照片，但夜间作业无任何照明设备，水位情况模糊不清，只能拍出漆黑的无效画面，根本无法精准判断水情。更关键的是，观察员无权手动触发警报，即便肉眼发现山洪险情，也无法第一时间启动预警、组织人员撤离，整套人工预警体系流于形式，完全无法应对突发险情。Compounding the defective sensors, the project relied solely on single-person 12-hour rotating sentinel shifts for manual flood monitoring, resulting in an unprofessional and sloppy early warning mechanism. On-duty observers were required to upload hourly water level photos of the cofferdam to the work group chat. However, the site lacked night lighting, leaving water levels invisible and resulting in completely dark, useless photos that prevented accurate water condition assessment. Most importantly, observers had no authority to manually trigger emergency alarms. Even if they spotted incoming flash floods, they could not activate early warnings or organize worker evacuations in a timely manner, rendering the entire manual monitoring system purely formalistic and incapable of responding to sudden emergencies.项目配套的《应急准备计划》同样存在诸多不切实际的漏洞，对不同等级洪水的应对方案模糊且不合理。预案将洪水划分为三个等级，规定流量低于1367.3立方米/秒的小型洪水无需采取任何行动，但业主工程师实地核验后明确指出，该流量下围堰已会被大面积漫过，上游所有施工、停留作业都应立即停止，预案标准与实际险情完全脱节。针对1367.3至1827立方米/秒的中型洪水，预案仅笼统要求“撤离高处员工”，却未明确撤离人员范围、具体作业区域、安全撤离高度等核心信息，无任何可落地执行的操作标准。而针对超1827立方米/秒的大型洪水，预案错误预判主营地区域会被完全冲毁，与实际场地风险情况严重不符，误导了整体应急部署。The project’s official Emergency Preparedness and Response Plan (EPRP) also contained numerous impractical loopholes with vague and unreasonable response protocols for different flood magnitudes. The plan categorized floods into three tiers and claimed that no action was required for small floods with a flow rate below 1,367.3 cubic meters per second. However, on-site verification by the owner’s engineer confirmed that such a flow rate would already cause extensive cofferdam overtopping, requiring an immediate halt to all construction and on-site activities in upstream areas — a clear disconnect between official guidelines and actual on-site risks. For medium floods with a flow rate between 1,367.3 and 1,827 cubic meters per second, the plan only vaguely instructed personnel to “evacuate to high ground”, without specifying the scope of affected staff, targeted work zones, or safe evacuation altitudes, providing no actionable operational standards. For major floods exceeding 1,827 cubic meters per second, the plan incorrectly predicted the complete destruction of the main camp area, a misjudgment that distorted overall emergency response arrangements.早在灾难发生前，现场核查人员、工程专家就已明确得出结论，该项目的洪水预警系统、应急处置预案均存在根本性缺陷，缺乏专业工程支撑，无法抵御真实洪水风险，同时建议由资深专业团队全面重构预警体系与应急方案，并交由业主工程师审核落地。遗憾的是，这份关键的整改建议并未被重视，所有隐患持续留存，最终在极端洪水天气下集中爆发，酿成重大工程损毁与人员被困的惨剧。Prior to the disaster, on-site inspectors and engineering experts had already concluded that the project’s flood early warning system and emergency response plan suffered from fundamental structural defects and lacked professional engineering support, making them incapable of withstanding real flood risks. Experts recommended a comprehensive overhaul of the early warning system and flood response clauses in the emergency plan by experienced professionals, followed by review and approval by the owner’s engineer. Regrettably, these critical rectification suggestions were ignored. All hidden safety hazards remained unaddressed and ultimately erupted amid extreme flooding, resulting in massive project damage and worker entrapment.灾情发生后，尼泊尔第一时间启动紧急救援行动，全力营救被困人员。目前救援队伍已成功从电站隧道中救出350名工人与当地民众，但仍有近100人被困隧道之中，搜救工作仍在争分夺秒推进。此次洪水不仅摧毁了尼泊尔耗费十余年心血打造的重点能源工程，造成数亿美元的直接经济损失，更让无数施工人员身陷险境，后续工程修复、人员安置、工期重置都将面临巨大挑战。Immediately after the disaster, Nepal launched an emergency rescue operation to save trapped personnel. Rescue teams have successfully evacuated 350 workers and local residents from the project tunnels, while nearly 100 people remain trapped underground, with round-the-clock search and rescue efforts ongoing. The devastating flood has not only destroyed Nepal’s decade-long flagship energy project, causing hundreds of millions of dollars in direct economic losses, but also endangered the lives of countless construction workers. Subsequent project restoration, personnel resettlement, and construction schedule resetting will face enormous challenges.这场悲剧也为全球跨境基建工程敲响了警钟。重大工程项目的安全建设，从来不止于工程进度与建设规模，完善的风险预警体系、科学的应急处置方案、落地的隐患整改机制，才是守护工程安全与人员生命的核心底线。看似不起眼的设备设计漏洞、流于形式的预警机制、模糊的应急预案，最终都会在极端自然灾害面前被无限放大，酿成无法挽回的损失。This tragedy serves as a sobering warning for global cross-border infrastructure projects. The safety of major engineering projects never lies merely in construction progress and scale. A robust risk early warning system, scientific emergency response protocols, and effective hazard rectification mechanisms are the fundamental bottom lines for protecting project integrity and human lives. Seemingly minor equipment design flaws, formalistic early warning mechanisms, and ambiguous emergency plans will always be magnified in extreme natural disasters, leading to irreversible and devastating losses.
除了失效的传感器，项目仅依靠单人12小时轮班的观察哨作为人工预警手段，预警机制的专业性、严谨性严重缺失。值守观察员需每小时在工作群组上传围堰水位照片，但夜间作业无任何照明设备，水位情况模糊不清，只能拍出漆黑的无效画面，根本无法精准判断水情。更关键的是，观察员无权手动触发警报，即便肉眼发现山洪险情，也无法第一时间启动预警、组织人员撤离，整套人工预警体系流于形式，完全无法应对突发险情。
Compounding the defective sensors, the project relied solely on single-person 12-hour rotating sentinel shifts for manual flood monitoring, resulting in an unprofessional and sloppy early warning mechanism. On-duty observers were required to upload hourly water level photos of the cofferdam to the work group chat. However, the site lacked night lighting, leaving water levels invisible and resulting in completely dark, useless photos that prevented accurate water condition assessment. Most importantly, observers had no authority to manually trigger emergency alarms. Even if they spotted incoming flash floods, they could not activate early warnings or organize worker evacuations in a timely manner, rendering the entire manual monitoring system purely formalistic and incapable of responding to sudden emergencies.
项目配套的《应急准备计划》同样存在诸多不切实际的漏洞，对不同等级洪水的应对方案模糊且不合理。预案将洪水划分为三个等级，规定流量低于1367.3立方米/秒的小型洪水无需采取任何行动，但业主工程师实地核验后明确指出，该流量下围堰已会被大面积漫过，上游所有施工、停留作业都应立即停止，预案标准与实际险情完全脱节。针对1367.3至1827立方米/秒的中型洪水，预案仅笼统要求“撤离高处员工”，却未明确撤离人员范围、具体作业区域、安全撤离高度等核心信息，无任何可落地执行的操作标准。而针对超1827立方米/秒的大型洪水，预案错误预判主营地区域会被完全冲毁，与实际场地风险情况严重不符，误导了整体应急部署。
The project’s official Emergency Preparedness and Response Plan (EPRP) also contained numerous impractical loopholes with vague and unreasonable response protocols for different flood magnitudes. The plan categorized floods into three tiers and claimed that no action was required for small floods with a flow rate below 1,367.3 cubic meters per second. However, on-site verification by the owner’s engineer confirmed that such a flow rate would already cause extensive cofferdam overtopping, requiring an immediate halt to all construction and on-site activities in upstream areas — a clear disconnect between official guidelines and actual on-site risks. For medium floods with a flow rate between 1,367.3 and 1,827 cubic meters per second, the plan only vaguely instructed personnel to “evacuate to high ground”, without specifying the scope of affected staff, targeted work zones, or safe evacuation altitudes, providing no actionable operational standards. For major floods exceeding 1,827 cubic meters per second, the plan incorrectly predicted the complete destruction of the main camp area, a misjudgment that distorted overall emergency response arrangements.
早在灾难发生前，现场核查人员、工程专家就已明确得出结论，该项目的洪水预警系统、应急处置预案均存在根本性缺陷，缺乏专业工程支撑，无法抵御真实洪水风险，同时建议由资深专业团队全面重构预警体系与应急方案，并交由业主工程师审核落地。遗憾的是，这份关键的整改建议并未被重视，所有隐患持续留存，最终在极端洪水天气下集中爆发，酿成重大工程损毁与人员被困的惨剧。
Prior to the disaster, on-site inspectors and engineering experts had already concluded that the project’s flood early warning system and emergency response plan suffered from fundamental structural defects and lacked professional engineering support, making them incapable of withstanding real flood risks. Experts recommended a comprehensive overhaul of the early warning system and flood response clauses in the emergency plan by experienced professionals, followed by review and approval by the owner’s engineer. Regrettably, these critical rectification suggestions were ignored. All hidden safety hazards remained unaddressed and ultimately erupted amid extreme flooding, resulting in massive project damage and worker entrapment.
灾情发生后，尼泊尔第一时间启动紧急救援行动，全力营救被困人员。目前救援队伍已成功从电站隧道中救出350名工人与当地民众，但仍有近100人被困隧道之中，搜救工作仍在争分夺秒推进。此次洪水不仅摧毁了尼泊尔耗费十余年心血打造的重点能源工程，造成数亿美元的直接经济损失，更让无数施工人员身陷险境，后续工程修复、人员安置、工期重置都将面临巨大挑战。
Immediately after the disaster, Nepal launched an emergency rescue operation to save trapped personnel. Rescue teams have successfully evacuated 350 workers and local residents from the project tunnels, while nearly 100 people remain trapped underground, with round-the-clock search and rescue efforts ongoing. The devastating flood has not only destroyed Nepal’s decade-long flagship energy project, causing hundreds of millions of dollars in direct economic losses, but also endangered the lives of countless construction workers. Subsequent project restoration, personnel resettlement, and construction schedule resetting will face enormous challenges.
这场悲剧也为全球跨境基建工程敲响了警钟。重大工程项目的安全建设，从来不止于工程进度与建设规模，完善的风险预警体系、科学的应急处置方案、落地的隐患整改机制，才是守护工程安全与人员生命的核心底线。看似不起眼的设备设计漏洞、流于形式的预警机制、模糊的应急预案，最终都会在极端自然灾害面前被无限放大，酿成无法挽回的损失。
This tragedy serves as a sobering warning for global cross-border infrastructure projects. The safety of major engineering projects never lies merely in construction progress and scale. A robust risk early warning system, scientific emergency response protocols, and effective hazard rectification mechanisms are the fundamental bottom lines for protecting project integrity and human lives. Seemingly minor equipment design flaws, formalistic early warning mechanisms, and ambiguous emergency plans will always be magnified in extreme natural disasters, leading to irreversible and devastating losses.
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