Safety issues and countermeasures during the construction of steel structure factory buildings?

The good development of my country's construction steel structures has promoted the structural adjustment of my country's steel structures and brought my country's construction steel structures into a new stage. Steel structure engineering has the advantages of low cost, high strength, light weight and fast construction speed, so a large number of steel structures have been widely used in industrial plants and high-rise buildings. At the same time, due to the special functions of the steel structure factory building, the special requirements of the production process, and the uniqueness of large span and high strength, a large number of its steel structures need to be hoisted, welded, and ascended at the construction site, which makes the construction workers safer. brings greater danger. Therefore, safety issues have always been a top priority. The following discusses the main safety issues during the construction of steel structure workshops and the preventive measures that should be taken.

1. Management measures

1. We should establish and improve the "Safety Production Responsibility System" and safety management system, and sign the "Safety Management Responsibility System" for managers at all levels to each employee. "Statement" to clarify their respective safety responsibilities.

2. Safety knowledge training and education should be strengthened, establish the idea of ??"safety first, prevention first", and strive to improve safety awareness

3. All construction workers and managers , must strictly implement safety operating procedures.

4. Construction workers should be familiar with the safety technical operating procedures of this type of work, understand the responsibilities of their respective safety production positions, and conscientiously implement various safety management systems.

5. Establish safety inspection systems at all levels and strictly implement them.

6. Before construction work, employees should be informed of quality and safety techniques and dangerous points.

7. Safety inspections, construction logs, etc. should be carried out during construction operations.

8. Eye-catching quality and safety warning signs should be hung at the construction site.

2. Several safety issues and measures during the construction process

The steel structure factory building involves the use of many mechanical equipment during the entire construction process, including many high-altitude operations and cross-cutting operations. Therefore, various security issues will arise, which are briefly described below.

1. Safety measures for component entry

(1) When transporting components, vehicles should be selected according to the length and weight of the components.

(2) The components should be leveled with wooden blocks on the transport vehicle. Extra-long components should be marked and tied firmly to ensure that the components are not deformed during transportation and do not damage the paint coating.

(3) During loading and unloading operations, be careful to prevent components from collapsing and falling and injuring people. When loading and unloading cargo, you should follow the instructions of the commander.

(4) Proofread the relevant list of shipping components.

(5) When lifting, the lifting tools should be strong and reliable. Various parts that are not firmly welded or connected and fastened are not allowed to be lifted without being firmly tied.

(6) When lifting bulk items, they must be tied firmly and balanced before lifting.

2. Safety measures for factory foundation projects

(1) Make an installation template and control the spacing and height standards between individual bolts within the allowable deviation range.

(2) Fix the bolt group and protect the bolt threads from being damaged during concrete pouring.

3. Measures to prevent the crane from overturning

(1) The road at the hoisting site must be smooth and solid, and the backfill soil and soft soil must be processed. If the soil is soft, separate roads should be laid.

(2) Inclined hanging is prohibited. Inclined lifting can cause overloading, which can lead to rope breakage and rollover accidents.

(3) The slings for lashing components must be calculated.

(4) The lashing method should be correct and firm to prevent the sling from breaking or slipping from the component during hoisting, causing the crane to lose weight and tip over.

(5) All lifting tools should undergo regular safety inspections.

(6) Strictly abide by the "ten don't lift" regulations for hoisting machinery operations.

4. Measures to prevent falling from high altitudes

(1) When working at heights, strictly implement the "Technical Specifications for Safety in Construction at Heights".

(2) Operators must set up safety nets and use seat belts correctly when working at heights.

(3) Climbing steel columns with bare hands is not allowed

(4) If workers need to work at high altitudes, they should set up a tool-type temporary operating platform with a width of 0.8 to 1.0m.

(5) If you need to walk on the upper chord of a suspended roof truss, a lifeline should be installed on the upper chord of the roof truss.

(6) Ladders used for climbing must be strong and must be tied firmly to fixed components with ropes when in use.

(7) If the operator is walking on the roof panel, he should maintain a high degree of concentration to prevent him from stepping on the headboard and falling down and injuring someone.

(8) When installing floor slabs or roof panels with reserved holes, safety guardrails should be installed in time.

(9) Operators are not allowed to wear hard-soled leather shoes when working at heights.

5. Measures to prevent injuries caused by falling objects from high altitudes

(1) Personnel entering the construction area must wear safety helmets correctly and properly.

(2) Tools, parts, etc. used by high-altitude operators should be placed in the tool bags they carry with them and should not be thrown downwards at will.

(3) When cutting or welding at high altitudes, effective precautions should be taken to prevent sparks from falling and injuring people or causing fires.

(4) Ground operators should try to avoid staying or passing directly under the high-altitude working surface, and are not allowed to stay or pass under the boom of the crane or the components being hoisted.

(5) After the components are installed, the connection quality must be checked. Only when the connection is confirmed to be safe and reliable can the hook be loosened or the fixing tools removed.

(6) Temporary railings should be set up around the hoisting site to prohibit non-staff from entering.

6. Measures to prevent electric shock and gas cylinder explosion

(1) When using electricity at construction sites, the "Technical Specifications for Temporary Electricity Safety at Construction Sites" should be strictly followed.

(2) Temporary electricity use at the construction site must be operated by professional electricians who have obtained special operation training examination certificates.

(3) Construction power lines should all use cables of qualified quality, and the power supply should adopt a three-phase five-wire system with a dedicated protective neutral line.

(4) The main distribution box and distribution box should be equipped with rain covers and door locks, and corresponding leakage protectors should be installed.

(5) The construction electrical wires to the floor should be laid in casing and firmly clamped.

(6) Electric machinery must be specially managed by designated personnel. When using small hand-held power tools, a gate box with leakage protection should be used.

(7) Sufficient lighting facilities must be provided for night construction.

(8) When the crane travels under the wires, the crane driver should pay special attention to the height between the highest point of the boom and the wires, and appoint a dedicated person to direct it if necessary.

(9) When transporting oxygen bottles, shockproof measures must be taken, and they must not be thrown to the ground; they should not be exposed to the sun, nor should they be close to fire sources.

(10) If the power cord of the electric welding machine is damaged, it must be tightly wrapped with tape in time.

7. Safety and fire prevention measures

(1) Establish a safety and fire prevention leading group to effectively carry out fire prevention work.

(2) Smoking is strictly prohibited at the construction site and warehouse.

(3) Inflammable and explosive items such as wooden boards and paint must be stored separately in the safety storage area, and clear fire prevention signs must be set up.

(4) Oxygen and acetylene bottles must be stored at a safe distance (3 to 5 meters). The air pressure gauge must be valid and should be lifted and handled with care. They must not be hit or stored under high temperature or pressure.

(5) Fire-fighting equipment must be complete and effectively deployed at required locations, and must be inspected regularly to ensure that it is working properly.

(6) Adhere to the safety and fire inspection system, discover hidden dangers, and eliminate them in a timely manner to prevent fire accidents.

(7) On-site workers should consciously participate in fire safety training and use fire-fighting equipment correctly.

(8) It is prohibited to carry fire into places where flammable, explosive and other dangerous goods are produced or stored.

8. Safety measures for factory enclosure project installation

(1) Purlin support positions should be reviewed before installation.

(2) Plastic steel window entrance qualification certificate, product test report and appearance inspection.

(3) The gap between the plastic steel window and the outer frame fixing the plastic steel window should be controlled. When installing the upper and lower frames of the window, be sure to use a level to measure it to ensure its levelness.

9. Construction machinery safety technical measures

(1) The use of on-site machinery should strictly comply with the "Construction "Technical Regulations on Safety in the Use of Machinery".

(2) Machinery, instruments, tools, etc. must be inspected before work and must be confirmed to be in good condition before use.

(3) Machinery shall not be operated in a sick condition or overloaded. If abnormal conditions are found, the machine shall be shut down for inspection. Inspection and repair shall not be carried out while the machine is in operation.

(4) Special operators must undergo special training, pass the examination, and obtain a special operator operation certificate before they are allowed to operate independently in this type of work. Personnel who are not special operators are strictly prohibited from engaging in special operations.

(5) All mechanical equipment must be operated by professionals, and their safety devices must be checked frequently to see if they are complete and effective.

3. Conclusion

During the actual construction process of steel structure factory buildings, there are many potential safety hazards, and the specific measures taken are also different. Safety work is the responsibility of every construction worker. The heavy responsibilities shouldered by personnel should bear in mind the lessons learned in blood, work conscientiously, and ensure safe production, with the alarm bell ringing.

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