建筑工程项目管理教程 (17).ppt

Section 1 Construction Safety Technical MeasuresChapter 8 Engineering Project Safety and Environmental ManagementAt 8:20 on December 29,2014,the raft foundation steel system collapsed while the operators were binding steel bars in the foundation pit,resulting in 10 deaths and 4 injuries at the construction site of the gymnasium and dormitory of affiliated middle school of Tsinghua University in Haidian District,Beijing.The Major Safety Accident of the 12.29 Steel Bar System Collapse at the Affiliated Middle School of Tsinghua UniversityThe direct cause it was failure to pile up materials,make and arrange horse stools in accordance with the plan requirements,as well as the horse stool and the steel bars did not form a complete structural system,resulting in the overall collapse of the foundation floor steel bars.https:/ (Its 3 minutes and 40-49 seconds in the video.)Make this effectIII.Cause and Essence of the AccidentUse iron wire to tie the cross reinforcing bars tightlyThe Indirect Cause They are lack of construction site management,long-term absence of the manager in charge of project filing,insufficient staffing of full-time security officers,chaotic operation and management,and inadequate project supervision.Why arent Why arent any security any security guards?guards?(II)The Indirect Causen1.Lack of Construction Site Management1、Lack of Technical Disclosure2、Inadequate Safety Training3、Lack of Management,Blindly Rushing the Construction Period and Lifting.2、Long-term Absence of the Manager in Charge of Project Filing,Insufficient Staffing of Full-time Security officersThe manager responsible for project filing does not work well.UnchangedThere are not enough full-time security officers,and the number of full-time security officers should be no less than 2 in 10,000-50,000 square meters.3.Chaotic Operation and Management1、Non-employee contractors2、Lack of professional management on siten4 4.Inadequate Project Supervision5 5.The supervision and inspection of the industry management department does not work well.The accident investigation team determined that the accident was a major production safety responsibility accident.Figure 5:Types of accidents in the first half of 2017Notice on production safety of housing municipal engineering in the first half of 2017Fall from heightObject strikeCollapseLifting injuryOthersFully enclosed elevator wellhead protectionProtection of openings with sides longer than 150 cmWorker Qiu fell from the 19th floor to the 17th floor.There was no protection at this shaft entrance,and worker Qiu fell from here.Electricity SafetyUnloading with Mobile CraneDid you find it all?If the boom touches the wire above,the wire may damage.There is no insulation protection device on the wire.Once a collision occurs,the operator will get an electric shock.There is also no signal commander,which may cause the boom to collide with the overhead wire.Safety Technical Measures for Special Engineering ConstructionnThe projects with more complicated structure and high technical content include the following:blasting,large-scale hoisting,chimneys,water towers,and high-rise scaffolding.The demolition project must develop special construction safety technical measures,and indicate the design basis,so that there are calculations,detailed drawings,and instructions.20 Seasonal Construction Safety Technical MeasuresnIn summer,we mainly do the work of heatstroke prevention and cooling to avoid heat stroke and occupational diseases caused by prolonged exposure.nIn the rainy season,the operations are mainly carried out to prevent electric shock,lightning strike,waterproof drowning,collapse prevention,typhoon prevention and flood prevention.nIn winter,the operations are include anti-freezing,fire prevention,anti-skid,and gas poisoning prevention.21Project Safety Production Responsibility Systemn1.Implement the Safety Production Responsibility SystemnThe safety production responsibility system is strictly implemented,and put an end to things that dont live up to their name.n2.Strengthen the Management of the Construction SiteWork Safety Responsibility SystemCheck and Eliminate Hidden DangersProject Manager at WorkWork Safety Management SystemSafety Responsibility Focuses on Implementation3.Strict Technical ManagementSpecial construction plan The preparation and approval system for technical disclosureApproval systemOn-site construction personnel shall not arbitrarily lower the technical standards and command operations in violation of regulations.25Thanks!