Common Violations and Potential Hazards in the Machinery Industry

(1) General Section

 

 

        1.  Failing to follow workplace discipline—such as dozing off, leaving one’s post without permission, or drinking alcohol before or during shifts—

 

        2.  Those who fail to wear personal protective equipment as required by labor regulations before entering their posts;

 

        3.  There are workers wearing gloves, having long hair, and sporting work attire with un-tightened openings at the collar, cuffs, and hem—all while failing to properly wear safety goggles and instead pulling off residual debris directly with their hands (instead of using tools).

 

        4.  Fire-prohibited areas without warning signs;

 

        5.  Smoking at work;

 

        6.  Unjustified deviation from assigned posts during work, or entering critical areas or departments without approval;

 

        7.  Those who arbitrarily remove or alter various safety devices, environmental protection facilities, monitoring instruments, or warning signs;

 

        8.  The shift handover system is not being properly implemented—specifically, the workplace is not cleaned up, power sources are not turned off, doors and windows are not secured, and any potential fire hazards are not cleared or extinguished before leaving for the day.

 

        9.  Failure to take measures to prevent the accident from escalating;

 

        10.  For机电 equipment that has not been regularly maintained or inspected;

 

        11.  Safety instruments and meters that have not been regularly verified or calibrated;

 

        12.  Those not equipped with safety signs as required by national regulations;

 

        13.  Vehicles speeding, overloaded, or transporting goods improperly secured within the factory premises;

 

        14.  In the event of an accident, if personnel on-site fail to provide immediate medical assistance;

 

 

(II) Electric Shock Prevention Types

 

 

        1.  Non-electricians performing electrical work, or individuals without the qualification to conduct live-line operations carrying out live-line tasks;

 

        2.  Electrical outage work was conducted without a supervision system in place.

 

        3.  During power outage maintenance work, no warning signs were hung on the power supply side.

 

        4.  Using non-compliant insulation tools, electrical safety equipment, measuring instruments, and protective gear;

 

        5.  Disassembling and repairing electrical equipment while it is running;

 

        6.  Grounding wire installation does not meet standards;

 

        7.  Opening the knife switch of the power distribution box under load;

 

        8. The wire ends are not wrapped with insulating tape.

 

        9.  The work supervisor left the job site during working hours without designating a qualified person to temporarily take over.

 

        10.  Using metal-cased power tools without an RCD (residual-current device);

 

        11.  When performing lifting operations near energized equipment, the safety distance is 10KV And below ≥ 0.70 Meters) insufficient or without supervision;

 

        12.  Working inside cable trenches, cable trays, or large equipment without proper approval, failing to use safety-voltage portable lamps as required, or operating without a designated supervisor;

 

        13.  On-site electrical switchgear lacks complete protective covers, leaving conductive parts exposed;

 

        14.  Electrical safety tools and insulating equipment are not being regularly tested as required.

 

        15.  The grounding and neutral wires are connected using the wrapping method, without employing welding, crimping, or bolted connections.

 

        16.  The electrical anti-misoperation interlocking device is incomplete;

 

        17.  After the electrical equipment was dismantled, energized components still remained unattended.

 

        18.  Other violations of electrical work regulations.

 

(III) Lifting Operations

 

 

        1.  Operating a crane without the required operator certification;

 

        2.  A bridge crane operator who has not passed the factory's practical operation assessment and is operating independently on the job;

 

        3.  Being easily distracted during operation—such as eating or reading the newspaper;

 

        4.  Driving directly without checking first;

 

        5.  Using cranes and lifting equipment that are not in good condition;

 

        6.  Failing to sound the bell as required to issue a warning signal;

 

        7.  Use it directly 5 Quickly enhances lifting capacity;

 

        8.  Over-speed hoisting;

 

        9.  When lifting objects are being transported along safety corridors, the height of the lifted object above the ground must exceed 0.5m Of;

 

        10.  Objects being lifted that do not follow the designated safety route;

 

        11.  Use a limit switch as a power-off parking mechanism while simultaneously activating three mechanisms to run.

 

        12.  The command signal was unclear, resulting in improper lifting operations.

 

        13.  Overloaded and lifted;

 

        14.  Poorly secured for lifting;

 

        15.  For lifting pressurized gas cylinders and explosive materials;

 

        16.  Dimly lit and unclear during lifting operations;

 

        17.  Objects with sharp edges lifted without anti-cutting measures;

 

        18.  Slanted, externally suspended, and hoisted;

 

        19.  The crane operator failed to return all operating mechanisms to their proper positions after finishing work.

 

        20.  Cranes operating outdoors without measures in place to prevent them from being blown away by strong winds;

 

        21.  Those who start work without understanding safety knowledge and operational skills;

 

        22.  Not having performed a test lift before hoisting;

 

        23.  When unloading, the hook is released before the load is securely positioned.

 

        24.  The angle between the suspension ropes should ideally be greater than 120 °；

 

        25.  When an object is being overturned without measures taken to prevent a rapid shift in the center of gravity of heavy objects;

 

        26.  When multiple people are working on rigging, no one takes charge of directing the operation;

 

        27.  Positioning the body beneath the lifted object or manually supporting the load during lifting and transportation;

 

        28.  During lifting operations, there is someone on the safety passage without a warning signal being issued or without signaling the person on the passage to move away.

 

        29.  Large equipment and large workpieces being lifted or moved without the presence of a supervisor;

 

        30.  A person is on the suspended load;

 

        31.  When performing double-hook or overturning lifting operations, the slinger is not wearing a safety helmet;

 

        32.  Operations involving the loading and unloading of equipment, workpieces, etc., conducted without on-site supervision by a supervisor;

 

        33.  Other violations of lifting operation regulations.

 

 

(4) Electrical and Welding Operations Type

 

 

        1.  Those who have not obtained the operational qualification certificate before starting work;

 

        2.  Protective equipment not worn or improperly worn , Working while wearing synthetic fiber workwear;

 

        3.  Welding area 10m Presence of flammable and explosive materials inside (except those with isolation measures in place);

 

        4.  Using damaged equipment, facilities, and tools (such as regulators, welding and cutting torches, flashback arrestors, etc.);

 

        5.  When performing arc welding on mechanical equipment , Protective earthing of the equipment ( Protective grounding ) Undemolished;

 

        6.  Performing welding operations in no-fire zones, inside metal containers, on metal structures, or in other hazardous areas with high risks of electric shock—without first obtaining approval for the hazardous work and implementing dedicated safety measures—is strictly prohibited.

 

        7.  The power cord and secondary output cable of the welding machine do not comply with regulations;