HSE DOCUMENTS-HOT WORK RISK ASSESSMENT

HSE DOCUMENTS-HOT WORK RISK ASSESSMENT

Explore the critical aspects of Hot Work Risk Assessment with this detailed guide. Uploaded by QHSE Documents, it covers essential safety protocols, potential hazards, and effective control measures to ensure safe operations during welding, cutting, and other hot work activities. A must-read for health and safety professionals

Activities

• Preparation of work & Obtaining PTW
• Welding activity
• Grinding work
• Cutting and Grinding
• Drilling activity

Hazards

• Insufficient planning
• Unauthorized Personnel in The working area Or Unfamiliar with the job
• Unfamiliar condition tools.
• The communication gap between supervisor safety personnel and worker
• Incompetent Personnel.
• Fire, and burn
• Falling of Sparks / hot bids
• The transformer generator near the welding area
• Electric shock
• Engaging unskilled Technicians and workers.
• Defective Tools.
• Electrical cable scrap.
• Spill of material. Fumes and vapour inhalation
• Sparks Flying & Flash Burns To Body.
• Engaged Untrained\No Experience person Electrical Shock. Unauthorized person entry.
• Defective tools
• Radiation from UV / IR Rays (Flash Eye)
• Exposure to welding fumes
• Electric shock
• Fire and explosion
• Minor or major cuts in hand/finger while unsafe
• Operating Suffocation.
• If sufficient ventilation is not provided
• Flying Debris: Cutting and grinding wheels can shatter or break apart during operation. Additionally, the workpiece itself can generate shrapnel. This flying debris can strike workers and cause serious eye injuries, cuts, or punctures.
• Dust Inhalation: These processes create dust particles that can be irritating or toxic depending on the material being cut or ground. Inhalation of dust can lead to respiratory problems, lung damage, or occupational asthma.
• Noise: Cutting and grinding tools generate loud noise levels that can damage hearing over time if proper protection is not used.
• Hand-Arm Vibration Syndrome (HAVS): Prolonged exposure to vibration from cutting and grinding tools can cause HAVS, leading to numbness, tingling, and weakness in the hands and arms.
• Eye Injury: Sparks and hot metal fragments generated during cutting and grinding can cause burns or flash blindness if proper eye protection is not worn.
• Lacerations: Sharp edges from freshly cut materials or exposed metal can cause cuts and lacerations during handling.
• Electric shock
• Breaking of wheel
• Fire hazards
• Physical injury to the personal
• Vibration
• Noise
• Entanglement
• Accidental start Leading to drilled d pants or leg.
• Using an incorrect bin or uneven bit

Consequence 

1- Improper work planning can lead to hazards not being identified or controlled, resulting in injuries, fires, or explosions. 

Missing or incomplete information on PTW can lead to inadequate safety measures, increasing the risk of incidents. 

Failure to obtain a PTW can result in unauthorized hot work being carried out, bypassing safety protocols altogether.

2- Description: Unauthorized personnel or those unfamiliar with the specific hot work being done, the surrounding environment, or the tools being used could be seriously injured or killed by: Fires or explosions are caused by sparks or hot materials contacting flammable substances.

Electric shock from faulty equipment or improper grounding.

Inhalation of toxic fumes or gases.

Flying debris or molten metal.

Burns from hot surfaces or splashes.

3- Unsafe action by the worker and staff if things are not clear as a result of Personal injury and Property damage

4- Unsafe action and condition as a result of Personal injury and Property damage

5- Depending on the specific welding process, materials, and controls in place, potential consequences include:

Fires and explosions: Sparks and hot metal can ignite flammable materials or cause explosions if welding near pressurized containers. (High Severity)

Burns: Exposure to intense heat, sparks, and molten metal can cause serious burns. (High Severity)

Electric shock: Faulty equipment, improper grounding, or contact with live electrical wires can cause electric shock. (High Severity)

Inhalation hazards: Welding fumes and gases can be toxic and irritate the respiratory system, leading to lung damage or metal fume fever. (Medium to High Severity)

Eye injuries: Ultraviolet and infrared radiation from the welding arc can cause eye burns and flash blindness. (Medium Severity)

6- Fires: Sparks can easily ignite flammable materials such as wood, paper, rags, solvents, and combustible dust, leading to uncontrolled fires. (High Severity)

Explosions: If sparks ignite flammable gases or vapours trapped in confined spaces or containers, explosions can occur. (High Severity)

Property Damage: Fires and explosions can cause significant damage to buildings, equipment, and materials. (Medium Severity)

Injuries: Workers and bystanders may be injured by burns, smoke inhalation, or flying debris from fires or explosions. (High Severity)

7- Cause fire and property damage

Electrical Shock: Sparks or spatter from welding could contact the transformer/generator, creating a path for electrical current to flow and potentially causing a shock hazard to personnel. (High Severity)

Fire and Explosion: Sparks or hot metal spatter could ignite flammable materials (transformer oil, wiring insulation) on the transformer/generator, leading to a fire or explosion. (High Severity)

Equipment Damage: Heat or molten metal splatter could damage the transformer/generator, leading to malfunctions or equipment failure. (Medium Severity)

8- It may cause serious burns and even death.

Electric shock can cause a range of consequences, depending on the severity of the current and the path it takes through the body. Potential outcomes include:

Muscle contractions and involuntary movement

Loss of consciousness

Cardiac arrest and death

Burns

Nerve damage

Respiratory failure

9- Personnel injury. Cuts

Material damage.

Blindness

10- Personnel injury Equipment damage Fatality

The combined effects of untrained personnel and unauthorized entry can lead to serious consequences, including:

Electrical shock: Untrained workers may not recognize electrical hazards or utilize proper grounding techniques, increasing the risk of shock.

Arc flash: Unauthorized entry into the work area can disrupt the hot work process, potentially causing an arc flash that injures both the unauthorized person and the trained worker.

Fires and explosions: Untrained personnel may not identify or properly handle flammable materials, increasing the risk of fires and explosions.

11- Depending on the specific tool defect and hot work activity, consequences can include:

Electrical shock: Faulty wiring or insulation on electrical tools can lead to shock hazards. (High Severity)

Loss of control: Malfunctioning tools can break, jam, or malfunction, causing the operator to lose control and potentially strike themselves or others. (Medium Severity)

Fires and explosions: Leaks from damaged gas-cutting torches or faulty regulators can ignite flammable materials, leading to fires and explosions. (High Severity)

Eye injuries: Shrapnel from broken tools or defective grinding wheels can cause serious eye injuries. (Medium to High Severity)

12- Eye irritation Red eye Bloor vision

Depending on the intensity and duration of exposure, consequences of UV/IR radiation on the eyes can include:

Flash burns: High-intensity UV light can cause painful burns to the cornea, similar to sunburn on the eyes. (Medium Severity)

Photokeratitis: Exposure to intense UV radiation can inflame the cornea, causing temporary pain, light sensitivity, and blurred vision. (Medium Severity)

Cataracts: Long-term or repeated exposure to UV radiation can increase the risk of cataracts, a clouding of the lens that can impair vision. (High Severity)

Retinal burns: Direct exposure to high-intensity IR radiation can damage the retina, potentially leading to permanent vision loss. (High Severity)

13- It may cause serious burns and even death.

Depending on the specific exposure and severity of the shock, consequences can include:

Respiratory problems: Welding fumes can irritate the lungs, causing coughing, shortness of breath, and long-term lung damage. (Medium Severity)

Metal fume fever: Acute exposure to certain metals like zinc or copper can cause flu-like symptoms such as fever, chills, and muscle aches. (Medium Severity)

Electric shock: Electric shock can cause muscle contractions, burns, loss of consciousness, cardiac arrest, and even death. (High Severity)

14- Fire and Explosion may Cause serious burns and even multiple fatalities Physical injury ( eyes, hands, face and body ) Finger &Hand and body Injuries while grinding/Cutting

15- Cuts and Lacerations: Sharp edges of tools and materials, flying debris, and hot metal splatter can cause cuts and lacerations to hands and fingers.

Suffocation: Insufficient ventilation during hot work activities can lead to oxygen depletion and suffocation due to inhalation of welding fumes, gases, or smoke.

16- Cause serious injury

Depending on the specific hazard and severity of the incident, consequences can include:

Serious eye injuries: Flying debris or sparks can cause permanent vision loss or require corneal abrasion treatment. (High Severity)

Respiratory problems: Dust inhalation can lead to coughing, wheezing, and long-term lung damage. (Medium to High Severity)

Hearing loss: Exposure to loud noise can cause permanent hearing impairment. (Medium Severity)

HAVS: This condition can significantly impact a worker's ability to perform manual tasks. (Medium Severity)

Cuts and lacerations: Depending on the depth and location, cuts can require stitches, medical attention, and potentially lost work time. (Medium Severity)

17- Cause serious injury or even death

Depending on the intensity, duration, and pathway of the current, electric shock can cause a range of consequences, including:

Muscle contractions: Electric shock can cause involuntary muscle contractions, leading to loss of control and potential falls from heights. (Medium Severity)

Burns: Electrical contact can cause severe burns at the entry and exit points of the current. (High Severity)

Cardiac arrest: Electric shock can disrupt the heart's normal rhythm, potentially leading to cardiac arrest and death. (High Severity)

Respiratory failure: Muscle paralysis from electric shock can interfere with breathing, leading to respiratory failure. (High Severity)

18- Cause serious injury or even death

A broken grinding wheel can cause several potential injuries:

Flying debris: Shattering fragments from the broken wheel can strike workers at high velocity, causing severe eye injuries, cuts, or punctures. (High Severity)

Loss of control: A broken wheel can cause the grinding tool to kick back or become uncontrollable, potentially leading to additional injuries from the tool or workpiece. (Medium Severity)

19- Uncontrolled fires can cause severe consequences, including:

Property damage: Fires can damage buildings, equipment, and materials. (High Severity)

Injuries: Workers and bystanders can be injured by burns, smoke inhalation, or flying debris. (High Severity)

Fatalities: Severe fires can lead to fatalities. (High Severity)

Environmental damage: Depending on the materials involved, fires can release hazardous substances into the environment. (Medium Severity)

20- Depending on the specific hazard and severity of the incident, consequences can include:

Minor cuts, scrapes, and bruises: These can occur from contact with sharp edges of tools, hot metal, or flying debris. (Low Severity)

Burns: Hot work can cause burns from sparks, splatter, or direct contact with hot equipment. (Medium to High Severity)

Eye injuries: Exposure to UV/IR radiation from welding or flying debris can cause flash burns or other eye injuries. (Medium to High Severity)

Musculoskeletal disorders: Awkward postures, repetitive movements, and heavy lifting during hot work can lead to strains, sprains, and other musculoskeletal problems. (Medium Severity)

Fractures: Falls from heights or dropped objects can cause fractures. (High Severity)

21- Prolonged or excessive exposure to vibration can lead to several health problems, including:

Hand-Arm Vibration Syndrome (HAVS): This condition causes numbness, tingling, weakness, and pain in the hands and arms. In severe cases, it can impair grip strength and manual dexterity. (Medium to High Severity)

Carpal Tunnel Syndrome: Vibration can contribute to carpal tunnel syndrome, a painful condition caused by compression of the median nerve in the wrist. (Medium Severity)

Circulatory problems: Vibration can interfere with blood circulation in the hands and fingers, especially in cold environments. (Medium Severity)

Bone and joint damage: Long-term exposure to vibration can increase the risk of bone and joint injuries in the hands and arms. (High Severity)

22- Depending on the duration and intensity of noise exposure, consequences can include:

Hearing loss: Prolonged exposure to noise above safe limits can lead to temporary or permanent hearing loss. Noise-induced hearing loss (NIHL) can significantly impact a person's ability to hear and communicate. (Medium to High Severity)

Tinnitus: Noise exposure can cause tinnitus, a ringing or buzzing sensation in the ears that can be constant or intermittent. Tinnitus can be a debilitating condition that interferes with sleep and concentration. (Medium Severity)

Stress and communication problems: Constant exposure to loud noise can cause stress, headaches, and difficulty concentrating. It can also hinder communication among workers, potentially increasing the risk of accidents. (Low to Medium Severity)

23- Depending on the specific hazard and drilling application, consequences can include:

Musculoskeletal disorders (MSDs): Awkward postures, repetitive motions, and heavy lifting associated with drilling can lead to strains, sprains, and other MSDs. (Low to Medium Severity)

Falling objects: Dropped tools or materials from drilling activities can cause injuries to workers below. (Medium to High Severity)

Exposure to dust and debris: Drilling can generate dust particles that can irritate the lungs and potentially contain hazardous materials depending on the material being drilled. (Low to Medium Severity)

Unexpected encounters with electrical wiring or plumbing: Drilling into walls, floors, or ceilings can inadvertently damage electrical wires or plumbing, creating electrical shock or water damage hazards. (Medium to High Severity)

24- Depending on the severity of entanglement, consequences can include:

Amputations: Severe entanglement can cause partial or complete amputation of fingers, hands, or limbs. (High Severity)

Crush injuries: Entanglement can crush muscles, bones, and nerves. (High Severity)

Dislocations and fractures: The force of entanglement can cause dislocations and fractures. (Medium Severity)

Asphyxiation: In rare cases, entanglement in cables or hoses can lead to asphyxiation. (High Severity)

25- Depending on the severity of the incident, consequences can include:

Minor puncture wounds: The drill bit may pierce the clothing and cause a superficial puncture wound to the skin. (Low Severity)

More significant puncture wounds: Deeper puncture wounds can occur depending on the drill bit size and force of activation. These may require medical attention for cleaning and potential stitches. (Medium Severity)

Infection: Puncture wounds can be susceptible to infection if not properly cleaned and treated. (Low to Medium Severity)

26- Depending on the specific situation, consequences can include:

Reduced work efficiency: Incorrect bin selection can waste time searching for the right tool or material. Uneven bits can require rework or replacement, slowing down the process. (Low Severity)

Product defects: Using the wrong bin may lead to selecting the wrong size or type of material, resulting in product defects. Uneven bits can create poor-quality welds or cuts, affecting the strength or aesthetics of the finished product. (Low to Medium Severity)

Safety concerns (indirect): Incorrect materials selected due to binning errors could compromise the strength or functionality of a product, potentially leading to safety issues during use. Uneven bits could potentially break or shatter during use, creating flying debris hazards. (Low to Medium Severity)

Control Measures

1-

• The job planning must be carried out by the manager, supervisor, HSE personnel and worker.
• The risk assessment or JHA shall be carried out by the competent team.
• Ensure the work permit is signed and approved by the concerned department.
• Faulty equipment shall not be used.
• Authorized work permit holders shall ensure obtaining and maintaining valid work permits.
• The supervisor responsible for this activity has to check the PPE of his staff to ensure that all required items are available and properly used.
• Inform all people regarding permit conditions before work starts.
• Supervisors must conduct daily toolbox talks about the nature of work and associated potential hazards and their essential precautionary measures.
• Proper PTW / WMS to be obtained for this activity.
• Check Ground Condition then before starting the Works.
• Before Starting the Work Check the condition of Calibrated tools and equipment.
• Barricade with an appropriate signboard on both sides.

2-

• Conduct TBM.
• Issuing Permit to Work.
• Safety supervisor Patrol in Site.
• Check Ground Condition then before starting the Works.
• The foreman or supervisor will give a briefing to all his workers before starting the job based on the method statement or JHA approval.
• Trained personnel in proper manual handling techniques.
• Check the Weather Conduction Before Starting
• The Works.
• Before Starting the Work Check the condition of Calibrated tools and equipment.
• Barricade with an appropriate signboard on both sides.
• Check access and egress before starting work
• Assign competent personnel and ensure proper manual handling technique
• Adopt proper steps in manual handling
• Protect sharp edges and secure load
• Do not lift heavy loads of more than 20 kg
• Ensure walkways free from abstraction
• Tack frequent rest in the shelter and drink plenty of water
• Provide proper water facilities for the employees
• Tack frequent break
• Assign sufficient workers to perform manual handling safely with manual handling training
• Job rotation by using more manpower

3-

• Daily pre-job meetings must be carried out for smooth operation it may be better to take feedback so that it confirms information is passed well and understood.
• The associated hazards must be communicated to the relevant workers and staff.

4-

• Continuous monitoring shall be carried out by the site supervisor and HSE personnel.
• Only competent and trained workers and staff shall allowed to work.

5-

• All the equipment and tools shall be inspected and the latest inspection data shall be enclosed with the tools
• The colour coding inspection system shall be followed
• Ensure that the firefighting arrangement is in place
• Unnecessary flammable material shall be removed from the hot work area
• All the tools shall be inspected and not defected
• A welding apron or suit shall be worn at the time of the welding activity
• Appropriate PPE shall be worn
• Place cables out of walkways.
• Proper housekeeping must be followed before and after work is finished.
• Pre-job stretch and get help as needed. Proper PPE must be worn as welding requirements.
• All welding cables must be in good condition and colour-coded.
• The welding equipment must be checked with the qualified welder before use with a proper grounding system.
• Barricade the area with appropriate signboards if working.
• Protect face and eyes when welding or watching.
• Wear a long-sleeved coverall, leather apron; welder’s hood.

6-

• Enclose the welding area through the wool blanket.
• Hot Work Permit System: Requires a permit outlining the specific work, location, and safety measures to be taken before hot work begins. The permit should identify flammable materials and require their removal or protection.
• Fire Watch: Assigning a dedicated fire watch person to monitor the work area for sparks and extinguish any potential fires immediately.
• Work Area Preparation: Removing or properly protecting all flammable materials within a safe distance of the hot work area. This includes:
• Combustible debris (wood, paper, rags)
• Flammable liquids and gases
• Combustible dusts
• Flammable coatings on nearby surfaces
• Combustible Construction Considerations: If working near walls, ceilings, or roofs with combustible materials, additional precautions are needed, such as using fire barriers or wetting down the surfaces.

7-

• Keep the Welding Generator at least 5 meters away from the hot work area.  Stop the generator when not in use.
• Hot Work Permit System: Requires a permit outlining the specific work location and safety measures. The permit process should identify the presence of the transformer/generator and require additional precautions.
• Work Area Assessment: During the pre-work inspection, assess the distance between the welding area and the transformer/generator. The minimum safe distance should be established based on the specific equipment and welding process.
• Non-combustible Barriers: If the minimum safe distance cannot be maintained, erect non-combustible barriers (e.g., metal sheets) around the transformer/generator to shield it from sparks and spatter.

8-

• Permit to work system shall be followed strictly
• Ensure the cables have proper insulation and connector as well as termination joints are safe for the purpose.  Locate the emergency stop switch for immediate power isolation.
• Inspection of tools must be carried out by the competent operator or safety personal
• Check damaged cables and defective tools before starting a job activity
• Ensure the earthling (grounding) provided
• Only competent and authorized personnel shall operate the tools
• A first aid facility shall be provided at the site
• Use appropriate PPE at all times while working
• Engaged trained personnel only for the entire duration of this activity.
• Inspect all Materials, Equipment and Tools and discard damaged one
• Ensure proper earthling should be provided for power tools & equipment.
• Ensure properly insulated cable is used for power supply.

9-

• Ensure skilled and qualified technicians and workers for the entire duration of this activity.
• Inspect all Tools and discard damaged ones.
• Provide appropriate PPE in this activity.
• Dispose of all cable scrap after completing the work as per the HDGSK Waste Management Plan.
• Only well-trained and competent people and skilled workers can carry out the work.
• Have MSDS copy of hazardous material attached on PTW.
• Close Supervision by a competent supervisor at all times.
• Shall wear all appropriate PPE including mask, hard hat, and appropriate gloves.
• A fire extinguisher and fire blanket shall be in place.
• Material shall be removed from the work area.
• Hot work permits are to be in place and followed.
• Protect your hand from the intense heat during welding.
• Protect eyes with intense light by the welding.

10-

• Ensure trained and qualified person to do the testing
• Provide a barricade for the Testing area
• Provide caution signage board

11-

• Ensure the welding equipment (torch, cable, electrode holder, transformer, generator, cable connector, plugs, sockets etc.) is free from defects and earthed as needed.

12-

• Wear protective goggles
• Keep another worker as far away as possible.

13-

• Ensure proper ventilation and fume extraction equipment in case of welding inside an enclosure
• Permit to work system shall be followed strictly
• Inspection of tools must be carried out by the competent operator or safety personal
• Check damaged cables and defective tools before starting a job activity
• Ensure the earthling (grounding) provided
• Only competent and authorized personnel shall operate the tools
• A first aid facility shall be provided at the site
• Use appropriate PPE at all times while working
• Engaged trained personnel only for the entire duration of this activity.
• Inspect all Materials, Equipment and Tools and discard damaged one
• Ensure proper earthling should be provided for power tools & equipment.
• Ensure the proper insulated cable is used for the power supply.

14-

• The area shall be labelled and communicated to the all nearest workers by using a signboard
• Firefighting arrangements shall be in place to avoid any major fire
• Remove combustible material from the nearest working area before starting a work
• It may also be better to use a fire blanket where the probability of the fire is high. A compatible grinding wheel or disc shall be installed and checked before work starts.
• The grinding / Cutting machine must be provided Safety Guard and Handle with a rated grinding disc with validity.
• Workers carrying out grinder, and speed cutter machines must wear appropriate PPE.
• Using good ventilation areas.
• Power tools must be inspected with color code before starting the work
• Ensure Hand and power tools training for all the workers.
• Ensure proper Ground earth.
• Ensure Standard core cables are utilized for electric tools
• Ensure all power tools will not exceed 240 volts with MCB/ELCB
• Ensure all electrical cables and panel boards are inspected with color code

15-

• Permit to work system shall be followed strictly
• Inspection of tools must be carried out by the competent operator or safety personal
• Check damaged cables and defective tools before starting a job activity
• Only competent and authorized personnel shall operate the tools

16-

• A first aid facility shall be provided at the site
• Use appropriate PPE at all times while working
• Engaged trained personnel only for the entire duration of this activity. Work shall be preferred to be performed in an open area or location where the possibility of getting exposed to the fume will be less
• In case of working in an enclosed area where the exhaust is not properly made, local exhaust ventilation shall be provided
• Adequate safety masks shall be used while working

17-

• The grinding wheel shall be from a Reputed brand of specified diameter and quality
• Check physical damage to the Wheel before mounting.
• Check the expiry date of the grinding Wheel.

18-

• The portable grinding machine shall be well insulated while mounting the grinding wheel on the portable grinder
• Check all the electric cables, earthling etc. for any damage & cable shall be double insulated.
• Wear rubber hand gloves
• The electric supply shall be taken through 30 mA ELCB/RCCB & MCB
• Flexible cable shall be used for all Grinding machines.
• Waterproof connectors shall be used for cable connections.
• Disconnect the machine from the electric connection when not in use.
• Proper electrical installation System shall be available.
• Good ongoing Housekeeping to remove potential hazards.
• Store dangerous goods appropriately.
• Power tools must be inspected with colour code before starting the work
• Ensure all electrical cables and panel boards are inspected with colour code
• Ensure protection cover.
• Ensure protection cables and connection.
• Ensure proper Ground earth.
• Ensure Standard 3 core cables are utilized for electric tools
• Ensure all power tools will not exceed 240 volts with GFCI/ELCB
• Ensure cable management
• Ensure proper firefighting equipment like fire extinguishers fire blankets etc...
• Proper use of PPE, gloves, and face shield during welding, and cutting.

19-

• Based on the machine's RPM wheel shall be selected
• Safety guard to be provided for grinding machine.
• Always use special Reinforcement grinding wheels

20-

• Uncontrolled fires can cause severe consequences, including: 
• Property damage: Fires can damage buildings, equipment, and materials. (High Severity)
• Injuries: Workers and bystanders can be injured by burns, smoke inhalation, or flying debris. (High Severity)
• Fatalities: Severe fires can lead to fatalities. (High Severity)
• Environmental damage: Depending on the materials involved, fires can release hazardous substances into the environment. (Medium Severity)

21-

• The grinder shall be operated by Designated /trained personnel.
• Grinding shall be carried in a direction away from the face of the Operator.
• Sharp curves are to be avoided while grinding with a flexible shaft grinder.
• Use a face shield to avoid eye injury. The face of the Operator.
• Sharp curves are to be avoided while grinding with a flexible shaft grinder.
• Use a face shield to avoid eye injury.

22-

• Work Practice Controls:
• Limit the duration of continuous tool use.
• Encourage frequent work breaks to allow for recovery.
• Utilize proper work techniques to minimize vibration exposure (e.g., proper grip, and maintaining a neutral hand position).
• Administrative Controls:
• Implement a job rotation schedule to distribute vibration exposure among workers.
• Maintain a medical surveillance program to monitor workers for signs and symptoms of HAVS.
• Personal Protective Equipment (PPE): Provide workers with anti-vibration gloves to help dampen vibration transmitted through the tool handles.

23-

• Hearing Protection: Provide workers with appropriate hearing protection devices (earplugs or earmuffs) with a Noise Reduction Rating (NRR) sufficient to reduce noise exposure to safe levels.
• Engineering Controls: If feasible, implement engineering controls to reduce noise at the source. This could involve:
• Using quieter tools and equipment.
• Enclosing noisy machinery.
• Installing noise barriers or sound-dampening materials.
• Work Practice Controls: Establish work practices to minimize noise exposure:
• Limit the duration of continuous tool use whenever possible.
• Designate quieter areas for communication or breaks.
• Schedule noisy tasks during off-peak hours when fewer workers are present, if feasible.

28-

• The portable grinding machine shall be well insulated while mounting the grinding wheel on the portable grinder
• Check all the electric cables, earthling etc. for any damage & cable shall be double insulated.
• Wear rubber hand gloves
• The electric supply shall be taken through 30 mA ELCB/RCCB & MCB
• Flexible cable shall be used for all Grinding machines.
• Waterproof connectors shall be used for cable connections.
• Disconnect the machine from the electric connection when not in use.
• Proper electrical installation System shall be available.
• Good ongoing Housekeeping to remove potential hazards.
• Store dangerous goods appropriately. Power tools must be inspected with color code before starting the work
• Ensure all electrical cables and panel boards are inspected with color code
• Ensure protection cover.
• Ensure protection cables and connection.
• Ensure proper Ground earth.
• Ensure Standard 3 core cables are utilized for electric tools
• Ensure all power tools will not exceed 240 volts with GFCI/ELCB
• Ensure cable management
• Ensure proper firefighting equipment like fire extinguishers fire blankets etc...
• Proper use of PPE, gloves, and face shield during welding, and cutting.

29-

• Secure all loose clothing and long hair.
• Be aware of cord locations and keep away from drills or saws.
• Keep the chuck key clear of a drill or saw before plugging in.
• Electrical hand saws and drills must have a quick-release trigger.
• Personal Protective Equipment (PPE): Workers involved in hot work activities should wear loose-fitting clothing that won't snag on machinery. In some cases, specific PPE like Kevlar sleeves may be required.
• Work Area Preparation: Maintain a clean and organized work area free from tripping hazards or loose cables that workers could become entangled in.
• Safe Work Practices: Utilize safe work practices such as:
• Keeping long hair tied back and loose clothing secured.
• Maintaining a firm grip on the tool and keeping hands away from pinch points.
• Coiling excess cable to prevent tripping hazards.
• Not walking through or reaching over operating machinery.
• Shutting down and disconnecting tools before performing maintenance or adjustments.

30-

• Always remove bit after task and consider removing the battery pack. Do not carry the drill with your finger on the trigger. Keep the switch in locked or off position when transporting or switching batteries.

30-

• Inspect drill bits regularly and use the recommended bit for material being drilled.
• Clamp down small material. Hold large material firmly. Use the correct drill speed. (wear safety goggles)

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