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Showing posts with label Tools Safety. Show all posts
Showing posts with label Tools Safety. Show all posts

Toolbox Talk # 05 : HAND & POWER TOOLS

Toolbox Talk # 05

Hand Power Tools


Often times we overlook the hazards associated with the common tools that are used on a daily basis. With this talk we hope to bring some awareness to the potential hazards of these tools and how to minimize these hazards.

  • Each employee using hand and portable power tools must receive initial training and an annual refresher.

Pre-Inspection Use (Done before every use):
  • Damaged or cracked housing, power source, or bits/accessories
  • Dull blades are often more dangerous than sharp blades
  • Missing guards or protective devices
  • Leaking gasoline, oil or other fluids
  • Tool appears to be in poor condition
  • Does the tool have a 3 wire cord, if not is it double insulated?
  • Ensure area is free of any potential trip hazards
  • Do not underestimate the importance of a clean work area

Proper Use:
  • Ensure you are wearing the correct PPE
  • You should always wear eye protection
  • Use the proper tool for the job
  • Follow the manufacturer’s instructions
  • If unsure about use, ask a supervisor or coworker for clarification
  • Insure tools are not pointed at or operated in close proximity to other individuals.
  • Use spark resistant tools when working near a fuel source
  • Do not use excessive force to cut/drill through hard materials
  • Gasoline/Mixed Fuel Powered Tools must be off and cool when re-fueled, use only in well ventilated areas.
  • If you need to use a gas/mixed fuel powered tool indoors please contact supervisor / Safety department prior to use.

  • Drain fluids (gasoline) if equipment will be in storage for an extended period of time
  • De-energize tool prior to storage (includes removing air pressure, hydraulic pressure and removing loads).
  • Store electric tools in dry areas
  • Store flammables in accordance with applicable regulations.
 Group Discussions:
  • Has anyone in the group been injured by a power tool or had a close call? How could this injury have been prevented.
  • What tools present the greatest hazard in your work environment? How can you minimize these risks?
  • Are there any tools that need to be repaired or discarded? If so take time to do this immediately after the talk

Tools Safety : General Safety While Using Work Tools

Topic : Tools Safety 

General Safety While Using Work Tools

Portable, bench or floor mounted power tools and equipment need routine maintenance, inspection and adjustments to ensure safe operation. Tool bits, blades and other changeable parts must be kept sharp and free from damage. Electrical systems, belts & pulleys and gears must be properly guarded to prevent exposing employees to hazards.

Tool General Safety Precautions:

Employees who use hand and power tools and who are exposed to the hazards of falling, flying, abrasive and splashing objects, or exposed to harmful dusts, fumes, mists, vapors, or gases must be provided with the particular personal equipment necessary to protect them from the hazard.All hazards involved in the use of tools can be prevented by following five basic safety rules:

  • Keep all tools in good condition with regular maintenance.
  • Use the right tool for the job.
  • Examine each tool for damage before use.
  • Operate according to the manufacturer's instructions.
  • Provide and use the proper protective equipment.


Hand Tools:

Hand tools are non-powered. They include anything from axes to wrenches. The greatest hazards posed by hand tools result from misuse and improper maintenance.Some examples:
• Using a screwdriver as a chisel may cause the tip of the screwdriver to break and fly, hitting the user or other employees.
• If a wooden handle on a tool such as a hammer or an axe is loose, splintered, or cracked, the head of the tool may fly off and strike the user or another worker.
• A wrench must not be used if its jaws are sprung, because it might slip.
• Impact tools such as chisels, wedges, or drift pins are unsafe if they have mushroomed heads.
The heads might shatter on impact, sending sharp fragments flying.Appropriate personal protective equipment, e.g., safety goggles, gloves, etc., should be worn due to hazards that may be encountered while using portable power tools and hand tools.Floors shall be kept as clean and dry as possible to prevent accidental slips with or around dangerous hand tools.Around flammable substances, sparks produced by iron and steel hand tools can be a dangerous ignition source. Where this hazard exists, spark-resistant tools made from brass, plastic, aluminum, or wood will provide for safety.

Basic tips when using hand tools:

  • Always provide training on how to choose the right tool for the job, how to correctly use each tool, and how to identify when tools need repair.
  • Select the right tool for the job. Substitutes increase the chance of having an accident.
  • Use tools designed to allow wrist to stay straight. Avoid using hand tools with your wrist bent.
  • Ensure that employees are properly trained in the safe use of hand tools.
  • Use good quality tools.
  • Keep tools in good condition at all times.
  • Inspect tools for defects before use. Replace or repair defective tools.
  • Keep cutting tools sharp and cover sharp edges with suitable covering to protect the tool and to prevent injuries from unintended contact.
  • Replace cracked, splintered, or broken handles on files, hammers, screwdrivers, or sledges.
  • Ensure that the handles of tools like hammers and axes fit tightly into the head of the tool.
  • Replace worn jaws on wrenches, pipe tools and pliers.
  • Redress burred or mushroomed heads of striking tools.
  • Pull on a wrench or pliers. Never push unless you hold the tool with your palm open.
  • Point sharp tools (e.g., saws, chisels, knives) laying on benches away from aisles and handles should not extend over the edge of the bench top.
  • Maintain tools carefully. Keep them clean and dry, and store them properly after each use.
  • Carry tools in a sturdy tool box to and from the work site.
  • Wear safety glasses or goggles, or a face shield (with safety glasses or goggles) and well-fitting gloves appropriate for the hazards to which you may be exposed when doing various tasks.
  • Keep the work environment clean and tidy to avoid clutter which may cause accidents.
  • Use a heavy belt or apron and hang tools at your sides, not behind your back.

Power Tool Precautions:

Power tools can be hazardous when improperly used. There are several types of power tools, based on the power source they use: electric, pneumatic, liquid fuel, hydraulic, and powder-actuated.The following general precautions should be observed by power tool users:
The following general precautions shall be observed by power tool users:
  • Never carry a tool by the cord or hose;
  • Never remove prongs from any cords;
  • Never stand in or near water when using tools;
  • Always use a Ground Fault Circuit Interrupter (GFCI) with electrical tools if working in a wet environment;
  • Never “yank” the cord or the hose to disconnect it from the receptacle;
  • Keep cords and hoses away from heat, oil and sharp edges;
  • Replace all frayed and/or damaged extension cords. Do not try to tape cords;
  • Disconnect tools when not in use, before servicing and when changing accessories such as blades, bits and cutters;
  • All observers shall be kept at a safe distance away from the work area;
  • Secure work with clamps or a vise, freeing both hands to operate the tool;
  • Avoid accidental starting. The worker shall not hold a finger on the switch button while carrying a plugged-in tool;
  • Tools shall be maintained with care. They shall be kept sharp and clean for the best performance. Follow instructions in the user’s manual for maintenance, lubricating and changing accessories;
  • Maintain good footing and balance;
  • Avoid loose fitting clothes, ties or jewelry such as bracelets, watches or rings, which can become caught in moving parts;
  • Use tools that are either double-insulated or grounded (three-pronged);
  • Keep work area well lit when operating electric tools;
  • Ensure that cords and hoses do not pose as a tripping hazard; and
  • All portable electric tools that are damaged shall be removed from use and tagged “Do Not Use”. This shall be done by supervisors and/or employees.

Tool Guards:

Hazardous moving parts of a power tool need to be safeguarded. For example, belts, gears, shafts, pulleys, sprockets, spindles, drums, fly wheels, chains, or other reciprocating, rotating, or moving parts of equipment must be guarded. Guards, as necessary, should be provided to protect the operator and others from the following:
  • point of operation,
  • in-running nip points,
  • rotating parts, and
  • flying chips and sparks.
Safety guards must never be removed when a tool is being used. For example, portable circular saws must be equipped with guards. An upper guard must cover the entire blade of the saw. A retractable lower guard must cover the teeth of the saw, except when it makes contact with the work material. The lower guard must automatically return to the covering position when the tool is withdrawn from the work.

Tool Safety Switches:

The following hand-held powered tools are to be equipped with a momentary contact "on-off" control switch: drills, tappers, fastener drivers, horizontal, vertical and angle grinders with wheels larger than 2 inches in diameter, disc and belt sanders, reciprocating saws, saber saws, and other similar tools. These tools also may be equipped with a lock-on control provided that turnoff can be accomplished by a single motion of the same finger or fingers that turn it on.The following hand-held powered tools may be equipped with only a positive "on-off" control switch: platen sanders, disc sanders with discs 2 inches or less in diameter; grinders with wheels 2 inches or less in diameter; routers, planers, laminate trimmers, nibblers, shears, scroll saws and jigsaws with blade shanks ¼-inch wide or less.Other hand-held powered tools such as circular saws having a blade diameter greater than 2 inches, chain saws, and percussion tools without positive accessory holding means must be equipped with a constant pressure switch that will shut off the power when the pressure is released.

Tool Electrical Safety:

Among the chief hazards of electric-powered tools are burns and slight shocks which can lead to injuries or even heart failure. Under certain conditions, even a small amount of current can result in severe injury and eventual death. A shock also can cause the user to fall off a ladder or other elevated work surface.To protect the user from shock, tools must either have a three-wire cord with ground and be grounded, be double insulated, or be powered by a low-voltage isolation transformer. Three-wire cords contain two current-carrying conductors and a grounding conductor. One end of the grounding conductor connects to the tool's metal housing. The other end is grounded through a prong on the plug. Anytime an adapter is used to accommodate a two-hole receptacle, the adapter wire must be attached to a known ground. The third prong should never be removed from the plug.Double insulation is more convenient. The user and the tools are protected in two ways: by normal insulation on the wires inside, and by a housing that cannot conduct electricity to the operator in the event of a malfunction.

Electric Power Tool General Safety Practices:

  • Electric tools should be operated within their design limitations.
  • Gloves and safety footwear are recommended during use of electric tools.
  • When not in use, tools should be stored in a dry place.
  •  Electric tools should not be used in damp or wet locations.
  • Work areas should be well lighted.

Powered Abrasive Wheel Tools:

Powered abrasive grinding, cutting, polishing, and wire buffing wheels create special safety problems because they may throw off flying fragments. Before an abrasive wheel is mounted, it should be inspected closely and sound- or ring-tested to be sure that it is free from cracks or defects. To test, wheels should be tapped gently with a light non-metallic instrument. If they sound cracked or dead, they could fly apart in operation and so must not be used. A sound and undamaged wheel will give a clear metallic tone or "ring." To prevent the wheel from cracking, the user should be sure it fits freely on the spindle. The spindle nut must be tightened enough to hold the wheel in place, without distorting the flange.

Power Tool Safety Fact Sheet:

Powered Hand & Portable Tools - OSHA Standard 1910.242Other Portable Tools - OSHA Standard 1910.244Machine Guarding - OSHA Standard 1910.212Grinders - OSHA Standard 1910.215Portable, bench or floor mounted power tools and equipment need routine maintenance, inspection and adjustments to ensure safe operation. Tool bits, blades and other changeable parts must be kept sharp and free from damage. Electrical systems, belts & pulleys and gears must be properly guarded to prevent exposing employees to hazards.


  • Noise.
  • Electric Shock.
  • Amputation.
  • Chemical exposure.
  • Lacerations & Abrasions.
  • Eye Injury from flying particles.
  • Respiratory hazards from dust & cutting fluids.

Personal Protective Equipment Check:

  • Eye protection- clean safety glasses & face shield.
  • Hearing protection for noisy machines & operations.
  • Hand Protection - Leather Work Gloves.
  • Use Proper Respirator when using cutting fluids.
  • Use Proper Respirator for task that produce dust.
  • Use proper gloves when applying any chemical.
  • Wear Safety Glasses when using hand tools.
  • For heavy work & tools - wear steel toed work boots.
  • Use anti-vibration gloves for tools that vibrate 

Work Area Safety Check:

  • Well lighted.
  • Not in traffic area.
  • No slip or trip hazards.
  • No standing water.
  • Keep tools off the floor/ground - prevent trips.
  • Rig extension cords above waist level.
  • Don't block traffic areas with tools.
  • Use warning tape to boundary work areas.
  • Keep work area clear of excessive material & debris 

Pre - Use Safety Check:

  • Bench or Floor mounted tool is securely mounted.
  • Check switch not damaged.
  • Check to ensure there are no exposed wires.
  • Cords are free from work area
  • Guards are in place and properly adjusted.
  • Tool casing not cracked or broken.
  • Check grinding wheels are rated for higher speed than machine RPM.
  • Grinder tool rest gap to wheel is no larger than 1/8 inch.
  • Conduct "ring" test for all new grinder stones - ensure no cracks, breaks or chips.
  • Unplug before changing cutting tools.
  • Ensure power tools are grounded or double insulated.
  • Check electric cords for damage.
  • Ensure bits and blades are sharp.
  • Check hose connections for pneumatic tools 

Operation Safety:

  • Use a safe position, avoid leaning or over-reaching.
  • Use tool rest - no free hand operations.
  • Dress wheels as needed to prevent buildup and over heating.
  • Stand aside from equipment when starting.
  • Keep hair, sleeves and jewelry out of work area.
  • Replace dull cutting tools.
  • Keep others clear of your immediate area.
  • Pass tools handle first.
  • Don't use tools in awkward positions.
  • Cover all sharp blades & tools bits.
  • Unplug before adjusting or changing accessories.
  • Keep cords away from heat, oil, and sharp edges.
  • Disconnect tools when not in use.
  • Secure work with clamps or vise.
  • Remove all damaged tools from use.

pneumatic tools:

Pneumatic tools are powered by compressed air. Common types of these air-powered hand tools that are used in industry include buffers, nailing and stapling guns, grinders, drills, jack hammers, chipping hammers, riveting guns, sanders and wrenches.

Use pneumatic tools safely:

  • Review the manufacturer's instruction before using a tool.
  • Wear safety glasses or goggles, or a face shield (with safety glasses or goggles), and, where necessary, safety shoes or boots and hearing protection.
  • Post warning signs where pneumatic tools are used. Set up screens or shields in areas where nearby workers may be exposed to flying fragments, chips, dust, and excessive noise.
  • Ensure that the compressed air supplied to the tool is clean and dry. Dust, moisture, and corrosive fumes can damage a tool. An in-line regulator filter and lubricator increases tool life.
  • Keep tools clean and lubricated, and maintain them according to the manufacturers' instructions.
  • Use only the attachments that the manufacturer recommends for the tools you are using.
  • Be careful to prevent hands, feet, or body from injury in case the machine slips or the tool breaks.
  • Reduce physical fatigue by supporting heavy tools with a counter-balance wherever possible.

Handle air hoses:

  • Use the proper hose and fittings of the correct diameter.
  • Use hoses specifically designed to resist abrasion, cutting, crushing and failure from continuous flexing.
  • Choose air-supply hoses that have a minimum working pressure rating of 1035 kPa (150 psig) or 150% of the maximum pressure produced in the system, whichever is higher.
  • Check hoses regularly for cuts, bulges and abrasions. Tag and replace, if defective.
    Tool Balancer and Tool
  • Blow out the air line before connecting a tool. Hold hose firmly and blow away from yourself and others.
  • Make sure that hose connections fit properly and are equipped with a mechanical means of securing the connection (e.g., chain, wire, or positive locking device).
  • Install quick disconnects of a pressure-release type rather than a disengagement type. Attach the male end of the connector to the tool, NOT the hose.
  • Do not operate the tool at a pressure above the manufacturer's rating.
  • Turn off the air pressure to hose when not in use or when changing power tools
  • Do not carry a pneumatic tool by its hose.
  • Avoid creating trip hazards caused by hoses laid across walkways or curled underfoot.
  • Do not use compressed air to blow debris or to clean dirt from clothes.

Tool Box Talk: Portable Electric Hand Tools and Lights

Tool Box Talk

Portable Electric Hand Tools and Lights

Electrically operated power tools cause the same types of accidents as hand
tools. But the injuries are usually more severe.

Electric shock is the chief potential hazard from electrically powered tools.
Therefore, when using such tools, make sure they are grounded at all times.
Safe working instructions for these tools are briefed below.


1. The insulation on electric cords must not be broken, cracked, missing or damage

2. Never tamper with or remove three-prong grounding plugs or pins. This eliminates the grounding protection. When grounded outlets are not available – as may be found in older buildings – adapter plugs shall be used with the green grounding wire secured to a positive ground.

3. Double insulated tools with two-prong plugs or pins can be used instead of tools with three pin plugs, if they are distinctively marked with words “Double insulated”

4. When using extension cords, make sure the cord is plugged into a grounded

outlet of correct voltage and the cord is capable of carrying the expected load.

5. Flexible cords must be used in continuous lengths without splice or tape.

6. Electric cords must not be run through the holes in walls, ceilings or floors. If run through doorways, windows, or similar openings, they must be protected from damage.

7. Never use defective power tools or cord sets. When repairs cannot be made
immediately, the tool must always be removed from service. As an additional
precaution against unintended use, cut off the plug end when removing from

8. Portable lights shall be equipped with guards to prevent accidental contact with the bulb. Unless guards and handles are properly grounded, they must be made from non-conductive materials.
9. Portable lights must not be suspended by their electric cords, unless cords and lights are designed for this means of suspension.
10. Work areas, walkways and similar locations shall be kept clear of all cords so as not to create a hazard to employees or subject cords to damage.

11. Do not lift or lower portable electric tools by the power cord. Never throw tools, equipment or material from one work level to another.
12. Keep all cords coiled when not in use. To prevent cord damage do not wrap
cords tightly around tools.

14. Disconnect power when adjusting the tool, brushing away chips, cleaning the tool etc.

Tool Box Talk- Safety @ Hand Tools

Tool Box Talk- Safety @ Hand Tools

A hand tools is a device for performing work on a material or a physical system using only hands. The hand tools can be manually used employing mechanical force , or electrically powered, using electrical current.

Reason for Hand Tools Accident:

  1. Usage of wrong tools.
  2. Selection of wrong size tools.
  3. Improperly maintained tools.
  4. Damaged tools.
  5. Improper storage may leads to fall of tools.
  6. Poor handling of tools.

Basic Rules for Hand tool safety:

  1. Every tool was designed to do a certain job. use it for its intended purpose.
  2. Keep your tools in good condition, sharp, clean, oiled, dressed and not abused.
  3. Carry tools securely in tool box. Don't carry tools up ladder.
  4. Pass a tool to another by handle, never toss it to them.
  5. Use right tool for right job.
  6. Wear required PPE's for assigned job.
  7. Supervisor should ensure employee under them trained on proper use of hand tools.

Safe working method while using common hand tools

A. Screw Driver:-

  • Don't use screw driver as a chisel or hammer.
  • Never carry screw driver in your pockets.
  • Secure your work in a vise whenever possible. Never hold small work in your hand when using a screwdriver.
  • Use the proper size and type of screwdriver for the job.
  • Use proper PPE's while using screw driver.
B. Hammer:-

  • Use the right hammer for right job like heavy hammer for heavy job.
  • If the handle with grease or oil clean it before use.
  • Use pliers to hold the job, keep your hand out of the way.
  • Use proper PPE's while using hammer.
  • Replace damaged hammer.
  • Hammers should have heads ground properly. Should not have broken claws or handles. Check for loose handles. Always use proper size and weight for job.
C. Spanner / Wrench:-

  • Use wrench of right size.
  • Don't use worn - out wrench.
  • Never use a wrench around moving machinery.
  • Pipe wrench can slip if worn smooth, an adjustable wrench will slip if its jaws sprung.
  • Always hold something solid with one hand and keep the wrench under control.

D. Chisel:-

  • Don't use mushroom chisel.
  • Avoid cracking head chisel.
  • Use proper PPE's while using chisel.
  • Keep the cutting edge sharp.
  • Use proper PPE's while using chisel.

E. File:-

  • Don't use file without handle.
  • Use proper PPE's while using file.
  • Do not use a file as a pry bar, hammer screwdriver or chisel.
  • When using file or a rasp, grasp the handle in one hand and the toe of the file in the other.
F. Cutting pliers:-

  • Don't use pliers for the works, those suitable for wrenches.
  • Use pliers which is having non conductive handles for electrical works.
  • While doing electrical works by pliers, switch off the mains.
G. Hacksaw:-

  • Select suitable hacksaw for works.
  • When cutting with a hacksaw, use proper blade.
  • When fixing blade in a hacksaw, The tooth edge directed towards forward.
  • While cutting a job, use full length of blade for every stroke.

Tool Box Talk: Usage Of HAMMER's

Tool Box Talk : Usage Of HAMMER's

How many kinds of hammers are there, including claw, sledge, bricklayer's, peen, chipping, tack, and soft faced. Maybe you can think of others.

The following suggestions can help to keep you from injuring yourself or ruining the tool, no matter what kind of hammer you use.
Use a carpenter's hammer, for example, for driving or pulling nails. Not for striking star drills or cold chisels. Don't use a lightweight hammer for a heavy job. You'll work harder and increase the chances of hurting yourself or damaging the tool.
Always using the head of the hammer and never the side. A glancing blow increases your chances of striking a finger or chipping the hammer head. Don't strike one hammer with another. Hammerheads are made of hardened steel, and pieces may chip off and fly.
By holding it toward the end of the handle. Beginners have a tendency to choke up on the handle, reducing the force of the blow and making it difficult to hit the target squarely.
To protect your eyes against flying chips when striking objects such as chisels, punches, and drills.
When driving stakes or hitting a large cold chisel, be sure the person holding the work uses tongs. This will protect him from being hit a glancing blow.
You can get into trouble by using a hammer with a loose or worn head, or one that has a cracked or broken handle.




The most common injuries suffered when using a grinding wheel are foreign body in eye
and hand abrasions. Failing to wear adequate eye protection because "this will only take
a second" or "somebody forgot to leave the glasses on the hook above the grinding
wheel and I'll have to find another pair before using the grinder" is the main ingredient in
an accident waiting to happen. Following the safety policies and rules that have been
established will greatly reduce the possibility of being injured while operating a grinding
wheel. Small metal shavings flying off a grinding wheel are often traveling over 200 miles
per hour over a distance of less than 18 inches. The old baseball adage of" you can't hit
what you can’t see" certainly holds true for anyone who thinks eye protection isn't


1. Failure to use eye protection by the operator in addition to the eye shield mounted on the grinder
2. Incorrectly holding the work.
3. Incorrect adjustment or lack of work rest.
4. Wrong type, poorly maintained or unbalanced wheel or disk.
5. Grinding on the side of the wheel not designed for grinding.
6. Taking too heavy a cut.
7. Applying work to too quickly to a cold wheel or disk.
8. Grinding too high above the wheel center.
9. Failure to use wheel washers (blotters).
10. Vibration and/or excessive operation speed which leads to a bursting wheel
or disk.
11. Using bearing boxes with insufficient bearing surface.
12. Using spindles with an incorrect diameter, or threads cut so that the nut
loosens as the spindle revolves.
13. Installing flanges of the wrong size with unequal diameters or unrelieved
14. Incorrect wheel dressings.
15. Contacting unguarded moving parts.
16. Using controls that are out of the operator's normal reach.
17. Using an abrasive saw blade rather than a grinder disk.
18. Failure to run a wet wheel dry (without coolant) for a period of time before
turning off the machine. A wet wheel can become unbalanced if the coolant is
allowed to accumulate on a portion of the wheel. This unbalanced condition
can cause a wheel to disintegrate upon restarting.
19. Using an untested, broken, or cracked grinding wheel.

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