The construction administrative departments of all districts, counties (cities) and the municipal general station of quality and safety supervision should take immediate action to quickly organize and carry out the major inspection and rectification of construction safety.
It shall be lifted with four lifting points instead of two lifting points.
Check frequently during operation and replace in time if there are problems.
FAQ 10: the lifting limit is old and out of order.
Once the hidden dangers are found to be not eliminated or put into use without authorization, they shall be seriously dealt with and punished.
On September 6, two construction site accidents occurred in Zhejiang, killing two people and injuring one.
Preventive measures: carefully check the standard section, boom, balance arm and other parts for defects before entering the site.
The verticality shall be checked in time during use, after anchoring and jacking.
3、 For all construction projects in the city, the construction unit shall take the lead to organize the construction, supervision and professional subcontractors to immediately carry out comprehensive self inspection and self correction, and the construction can be continued only after the hidden dangers are eliminated.
FAQ 4: danger of loose bolts: the frame is loose, the stress is uneven, and it is easy to collapse.
The relevant contents are as follows: immediately carry out the major inspection and rectification of construction safety production.
At 15:58 on September 6, when the construction site near gaojingtou bus station on East Fengqi road was under construction, a support of a three-axis pile driver was dumped, resulting in a collision between a bus and a truck running on the road and the support, resulting in one death and one injury.
Hazard: the limit is out of order, causing the tower crane to run out of control and frequent accidents.
After the accident, one person was sent to hospital for rescue and died.
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FAQ 6: hazards caused by unstable binding of materials and tools: hanging objects are easy to be loose, causing objects to fall and strike.
FAQ 5: Overweight hazards: it is easy to cause tower crane overturning, boom fracture and steel wire rope fracture.
//Wechat public account setting prompt/// The official account is official.
1、 From now on, the second bid of Fengqi East Road (Guanchao road Jiutian Road) project in which the accident occurred shall be ordered to stop work for rectification.
Common problem 3: hazards of out of tolerance of verticality: Tower Crane overturning preventive measures: carefully level the foundation base of tower crane when burying, especially after concrete pouring.
If painting is to be done, it must be checked before painting.
Preventive measures: the lifting weight limit and lifting torque limit shall be set to ensure sensitivity, and it is strictly prohibited to adjust the height without permission; Strengthen education on signal command and seriously implement the ten no hoisting.
All construction projects under construction within the administrative area of Hangzhou by the construction unit and pile machine subcontractor shall be ordered to stop work for rectification.
On September 6, a tower crane collapsed at a construction site in Deqing County, Zhejiang Province.
Deqing, Huzhou: a tower crane collapsed at a construction site in Deqing County.
The qualification certificate of special operation personnel with “three violations” shall be temporarily withheld, and the qualification certificate of special operation personnel with accidents caused by violations shall be revoked; Fourth, strengthen the anti overturning work of mobile lifting equipment, especially the mobile lifting equipment located in the city center and near major traffic roads, and take safety monitoring measures to avoid equipment overturning due to illegal operation or geological reasons.
After the accident Hangzhou Construction Committee attaches great importance to it and issued the emergency notice on immediately carrying out the city’s major inspection and rectification of construction safety production.
Hangzhou: during construction at the construction site next to gaojingtou bus station on East Fengqi Road, one support of a three-axis pile driver was dumped and hit a moving bus and truck, resulting in one death and one injury.
If problems are found, find out the causes in time and put them back.
FAQ 7: hazards caused by unskilled driver and signal command business: unskilled driver leads to shaking during lifting, too fast lifting speed and walking speed, and unfamiliar with limit, resulting in failure to find hidden dangers; Unskilled signal command leads to overweight lifting objects, loose binding, wrong command, etc.
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NOCITCE changed the push rule because of WeChat official account.
FAQ 2: hazards such as open welding, crack, deformation and distortion of frame body: it seriously affects the mechanical performance of frame body or boom, and is easy to cause accidents such as fracture and fracture.
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Preventive measures: strengthen education.
The construction and supervision units and equipment property rights, installation and disassembly, maintenance and other units shall inspect the large machinery and machines on the construction site one by one, “one machine and one file”, establish and improve the hidden danger inspection and correction account.
After investigation and rectification, there are no hidden problems, and they can be restarted only after they are reported to the corresponding local construction administrative department for review.
Preventive measures: set up a ponding pit and pump out the ponding with a sewage pump.
The new tower crane shall be fastened no more than 3 days two months before use.
The picture shows that the tower crane collapsed and scattered all over the ground.
FAQ 11: hazards caused by inadequate lightning protection measures: it is easy to cause lightning strike in thunderstorm days.
Star setting: enter the official account home page, click on the top right corner, click “set star”, and yellow star will appear next to the official account name (Android and iOS user operation is the same).
Preventive measures: carefully accept and debug, and strengthen inspection.
Some netizens broke the news that the tower crane accident in Deqing County, Huzhou, Zhejiang Province was caused by the company’s failure to pay the tower crane driver, the driver’s strike, and the workers below went up to open the tower crane themselves.
Preventive measures: after the installation of the tower crane, the bolts of each link shall be re tightened and strengthened, and they shall be tightened regularly during use, with an interval of no more than one week at most.
Unskilled people cannot operate independently.
Original document of Hangzhou Construction Committee: how dangerous the tower crane accident is, people who have not experienced it at the scene may not know.
Preventive measures: educate the signal commander and lifting personnel, and do not lift if the binding is not firm; The hopper shall be subject to acceptance inspection.
The District, county (city) construction administrative departments and the municipal general station shall immediately carry out a comprehensive inspection of the supervised projects, focusing on the full inspection of the pile machine.
FAQ 8: hazards of wire rope wear, fuzzing and strand breakage: object strike caused by wire rope breakage preventive measures: timely inspection, timely elimination of hidden dangers and timely replacement FAQ 9: hazards of trolley traveling wire rope grinding frame body: both frame body and wire rope are worn.
On the 7th, the reporter learned from Deqing County officials that the accident occurred during the maintenance of tower crane by maintenance personnel or due to personnel operation errors.
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In particular, the broken steel wire rope will cause the trolley to rush to the end and cause accidents.
Follow up of Hangzhou accident: all projects under construction by the construction unit in Hangzhou have been shut down for rectification! The city urgently carried out a major inspection.
Huzhou: a tower crane collapsed at a construction site, killing one person.
One person was sent to hospital for rescue and died.
The following is the dangerous moment of tower crane collapse, which is shocking! So where should the tower crane check? FAQ 1: hazards of foundation ponding: the bottom of the standard section is rusted and easy to be twisted.
The reinforcement of the tower crane was overloaded! At present, the cause of the accident is still under investigation, subject to the official announcement! ▲ at present, the construction site has been completely shut down.
Carefully and strictly investigate the pile machine and resolutely eliminate the potential safety hazards of the pile machine.
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First, strictly implement the overall management and control of large engineering machinery, equipment and machines such as pile machine, earthwork, road construction machinery and hoisting machinery.
After the accident, Hangzhou Construction Commission issued an emergency notice, the construction units and pile machine subcontractors involved shut down all projects under construction in Hangzhou for rectification, and the whole city carried out major inspection.
Preventive measures: after installation, conduct comprehensive inspection, and replace the old limit to ensure its sensitivity and effectiveness.
Second, strengthen the safety supervision of hoisting machinery installation, disassembly and jacking, strictly implement the three systems of shift, side station and disclosure, and organize the installation, disassembly and jacking operation in strict accordance with the special construction scheme and safe operation procedures; Third, the management of special operation personnel shall be strict.
Preventive measures: make lightning protection and grounding in time, and the grounding resistance shall not be greater than 4 ohms..
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They must be guided by a master until they are proficient.
