The main building of Beitou Market is in sharp contrast with the remaining 5-story scaffolding, and internal weirdos continue to work. (Provided by the Structural Technicians Guild)
The scaffolding (construction frame) collapsed during the demolition project of the old market in Beitou, Taipei City this morning. An investigation by the Taipei City Structural Engineering Industrial Technicians Association found that when the old building was demolished to the first floor, the scaffolding was still 5 stories high. The wall connecting rods that originally connected the building had lost their fixing effect, and the protective net had not been removed. The construction frame fell to the road due to strong winds, injuring three passers-by and one worker.
Xu Maoqing, chairman of the Taipei Structural Technicians Association, said that the accident occurred at 10:35 a.m. After receiving a notice from the Construction Management Office, the association immediately sent personnel to the site for investigation and found that the old structure had been demolished to the first floor, but the scaffolding wall connecting rods were not connected to the building and could no longer perform their fixed functions. However, the scaffolding itself was not dismantled simultaneously and remained at the fifth floor. The external protective net was not removed. After being hit by strong winds, the entire construction frame fell to the road.
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Lai Jianhong, chairman of the Taipei Civil Technicians Association, pointed out that preliminary analysis of signs of collapse at the site showed that the height of the scaffolding did not match the building demolition progress and was unloaded layer by layer, resulting in the remaining frame being too long and lacking lateral support, resulting in insufficient overall stability. He said that there are protective facilities on the outside of the scaffolding. When the wind speed is too high, the protective net will also increase the wind area, further affecting the stability of the scaffolding. "The height of the scaffolding should be unloaded according to the height of the building after it is demolished, layer by layer."
Wu Yizhe, director of the Taipei Civil Technicians Association, also said that the order of demolition of old buildings and removal of external construction scaffolding may need to be reviewed, and subsequent investigations will be conducted on scaffolding that has not been dismantled by the manufacturer. As for whether violations are involved, a complete determination can only be made after further investigation by the Construction Management Office and the labor inspection unit, and after collecting information such as construction procedures and demolition plans.
The scaffolding of the Beitou Market demolition project collapsed in a large area, and the entire building fell horizontally on the surrounding roads. (Provided by the Structural Technicians Guild)
Wu Yizhe, director of the Taipei Civil Technicians Association, said that subsequent investigations will be carried out on the scaffolding that has not been dismantled by the manufacturer. (Photo by reporter Hou Jiayu)
Lai Jianhong, chairman of the Taipei Civil Technicians Association, said that the height of the scaffolding was not reduced layer by layer in line with the demolition progress of the building, resulting in insufficient stability of the scaffolding. (Photo by reporter Hou Jiayu)
There are currently many workers on site carrying out structural dismantling, moving and cleaning. (Provided by the Structural Technicians Guild)
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