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康民署樹木組西環工業意外

 8月18日

當日上午,兩名香港西樹木組的員工配戴合適的安全裝備,在西營盤水街及第三街交界路段登上升降台修剪樹木,期間升降台墜下。兩名人員獲救送院,其中女技工證實死亡,另外一名男技工留院治療。 

康文署指,考慮到處理公積金等需時較長,故建議先向庫務署申請,以公積金等預支死亡恩恤金,以應付家屬燃眉之急,強調預支死亡恩恤金並非原意。

康文署指,考慮到處理公積金等需時較長,故建議先向庫務署申請,以公積金等預支死亡恩恤金,以應付家屬燃眉之急,強調預支死亡恩恤金並非原意。

文章版權為新傳媒集團所擁有,原文請按: https://www.edigest.hk/314912/?utm_campaign=ED_ContentCopy&utm_source=Web-inventory&utm_medium=Content-Copy_ED
康文署指,考慮到處理公積金等需時較長,故建議先向庫務署申請,以公積金等預支死亡恩恤金,以應付家屬燃眉之急,強調預支死亡恩恤金並非原意。

文章版權為新傳媒集團所擁有,原文請按: https://www.edigest.hk/314912/?utm_campaign=ED_ContentCopy&utm_source=Web-inventory&utm_medium=Content-Copy_ED



view from another angle, the break point cross section is relatively clean or sharp-cut. It is deduced the point of action or force is pretty pinpoint
 

 the breaking point is from bottom to top. It seems to be a tearing force. The point in red circles is last breaking point
 


 


 

 knuckle boom crane:


 

possible that there is downward force indicated by the arrow. When and where did this happen?

 







 公開大學交通意外重組講師盧覺強表示,意外原因疑是吊臂鉸位金屬組件(?)折斷,以時速31公里急墜,如同鐵鎚猛擊吊臂,斗上工人若頭部撞向硬物,可產生138磅撞擊力,頭骨碎裂,他認為防患於未然最重要,當局應定期檢查及維修,以確保工人安全。

one very unlikely hypothesis, the two pistons are extending at the same time, and the pillar breaks at the weakest point. 

The two pistons near the breaking point seems intact, and working properly. The related endpoint ring bearings are intact

it is more likely that:

a) operating at much higher load (200kg) than specified

b) metal fatigue (金屬疲勞) of the rectangular boom tube


 


c) a repeated degrading process, NOT by an large impact impulse force

it leaves highly suspicious why such defect is not sorted out in periodic maintenance by EMSD





21/9/2021

至於該宗奪命意外成因至今仍成謎,事主家人曾向升降台意大利廠商BENELLI發信查詢,獲回覆指相信搖臂曾燒焊方法加裝鐵枝,斷開位置剛好發生在燒焊位置末端,改裝加上長年累月損耗不斷惡化而無人發現,疑是導致慘劇主因。

  不過,康文署指根據記錄,康文署在接收肇事升降台車後,其機械搖臂均沒有進行任何的額外加固改裝,且一直由合資格外判承辦商負責保養及維修,過去一年沒有故障記錄,事發前亦無收到員工反映使用升降台時出現問題;意外後署方已暫停使用所有部門的升降台車。

 

hk01 

中科監察

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