Machine Shop Safety Rules - Stony Brook University

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Machine Shop Safety RulesThese rules are designed to make the shop a safe place to work. Your cooperation will help to makethis a safe workplace. Safe procedures for shop operations are described in the Machine Shop Healthand Safety Procedures book.Machine Shop Requirements1. Everyone working on machines must:a. Have a SBU IDb. Successfully complete specific shop course or work under the supervision of theinstructorc. Successfully complete EH&S Shop Safety course EOS 029d. Sign Machine Shop Safety Rules (or other equivalent documents) and agree to abideby all rules2. No undergraduate student is permitted to work on machines unless there is someone elsewith appropriate safety training present. All others are strongly discouraged from workingalone. Graduate students and postdoctoral Associates must discuss their planned activitieswith their Principal Investigator (PI) or supervisor prior to conducting the work alone and thepractice should only be allowed after a careful risk-based determination.3. Everyone must be appropriately dressed for working on machines. All long hair must besecured.4. Everyone working in machine shops when eye hazards are present must wear appropriate eyeprotection (safety glasses must have Z87.1 logo on them to assure they qualify as impactresistant)5. Report all accidents.6. Shops will post specific information on operating machines and emergency numbers.All rules will be strictly enforced. 1st violation: written warning, 2nd violation: lose “independentauthorized user” status, 3rd violation: no longer allowed to work in machine shop.Independent Authorized User must havea.b.c.d.SBU IDSuccessfully completed specific shop course or work under the supervision of the instructorSuccessfully completed EH&S Shop Safety course EOS 029Signed Machine Shop Safety Rules (or other equivalent documents) and agree to abide by allrulesPersonal Protective Equipment and Appropriate Attire1. No loose garments. Long sleeve shirts or coats must not be worn when working with rotatingmachinery. Long pants and closed‐toe shoes must be worn. Wear appropriate clothing for theOctober 2017EHSD0398 (10/17)Stony Brook UniversityEnvironmental Health & SafetyPage 1 of 7www.stonybrook.edu/ehs

Machine Shop Safety Rules2.3.4.5.6.7.8.job (e.g. do not wear short sleeve shirts or short pants when welding). Do not roll up longsleeves unless they are secure. Do not wear highly flammable clothes.No jewelry, rings, hanging earrings, neckties, chains etc. can be worn. Remove or secure hoodiedrawstrings, all rings, wristwatches, necklaces and other jewelry before operating machinery.Remove or secure anything that might get caught in moving machinery.Hair that is shoulder length or longer must be tied up and secured (not hanging), or in a hat orhair net. Long beards must be covered with hair net.Always wear closed‐toe shoes in the shop to protect feet and toes. Leather shoes are preferred.Eye protection must be worn when working on or near any machine creating eye hazard. Allsafety eyewear must have side protection and be stamped “Z87 ” to confirm that they are incompliance with ANSI Z87.1 protective eyewear for high impact.Additional protection using face shields may be necessary while working in the metal grindingarea and if flying particles are expected during the machining process. Welding eye and faceprotection must be appropriate for the work being conducted.Hand protection in the form of suitable gloves should be used for handling hot objects, glass orsharp‐edged items.Do not wear gloves while operating rotating machinery. Holding objects with a rag near movingmachinery is also not permitted. Gloves, rags, etc. can be easily caught in machines that are inmotion, pulling the operator into the equipment.Housekeeping9. Each user is expected to clean up after themselves. Clean up any mess. Wipe up any spilledliquids. Pick up materials. Sweep up dust and debris. Keep the work area clean. Keep the floorfree of scraps and oil.10. All machines and surroundings must be cleaned after use. Keep the floor around machinesclean, dry and free from trip hazards. Do not allow chips to accumulate.11. Before you leave the shop each day all tools must be returned to the toolbox, the machinecleaned and wiped down and the floor swept. Leave 10‐15 minutes for cleanup.12. No rags may be used near machines. If cleaning is necessary, use paper towels.13. A brush, hook, or special tool is preferred for removal of chips, shavings, etc. from the workarea. Never use your hands to clean cuttings – they are sharp and often very hot. Clean up thework area using a brush and dustpan.14. Never use compressed air guns to clean clothing, hair, or aim the gun at another person.15. Avoid excessive use of compressed air to blow dirt or chips from machinery to avoid scatteringchips. Compressed air used for cleaning work areas, such as work benches, table saws, and drillpresses, must not exceed 30 psi at the outlet, statically or dynamically, and is only permittedwith effective chip guarding or personal protective equipment to protect the operator and otheremployees from flying debris. Do not use compressed air to blow chips off machinery unlessthere is a safety nozzle that reduces the pressure to below 30 psi. Vacuum the machine andsweep the floor area of any remaining chips.October 2017EHSD0398 (10/17)Stony Brook UniversityEnvironmental Health & SafetyPage 2 of 7www.stonybrook.edu/ehs

Machine Shop Safety Rules16. Storage: Return tools to their correct storage place. Don't store tools, supplies or spare parts inthe aisle or on the floor where they become tripping hazards. Keep other flammable materialsaway from heaters and welding areas to prevent fire. Grease, oil, paint and solvents should bestored in a closed metal container. Gasoline must be stored in a plastic can with self‐closing lid.Flammable and combustible liquid in excess of 25 gallons (total load) shall be stored in anacceptable or approved flammable storage cabinet. Supplies and equipment should be stored inan area designed specifically for them.Behavior17. A safe attitude will protect you and others. Think, practice, and develop good safety habits. Ifyou cannot do a job safely in this shop, don’t do it. There are limits to what we can build here.18. Think through the entire job before starting. Ask for help if you have questions.19. No smoking, eating or drinking in shop. Do not bring food or snacks into the shop.20. Respect the rights and property of other students. Be thoughtful and helpful to other studentsin the shop.21. Respect your shop staff. They are highly trained individuals and are looking out for your safety.22. Horseplay, running, yelling, and or fighting is absolutely forbidden in the shop.23. Always keep your eyes on your fingers, ears tuned to the sound of the machine, and nose tunedto the smell of smoke. Avoid distractions. Keep your mind on your work. Talking or listening tothe radio while running machinery can lead to accidents. Stop working and turn off the powertool you are working with if distracted by something or someone. Never look away from yourwork when operating a power tool.24. Ear phones or head phones to listen to personal music devices are prohibited within the shop.(IPods, Mp3 players, CD players, etc.)25. Do not operate power tools when you are ill, taking strong medications, fatigued or consumingalcoholic drinks. Do not drink alcoholic beverages before or during work in the machine shoparea. Never work when you are impaired. This includes when you are too tired, stressed orhurried to work carefully. Do not work in the shop if you are tired or in a hurry – this almostalways ruins the work, and often results in injury.26. Ensure the safety of yourself and others by being aware of your surroundings. If you seesomeone committing an unsafe act, report it to the supervisor immediately. As the machineoperator you are responsible for the safety of the people in your immediate area. It is yourresponsibility to look around and be sure that everyone within your range is wearing safetyglasses. Likewise a welder must be sure not to start welding if people without welding helmetsare watching him/her.Machine/Tool Use27. Do not use equipment until you have received appropriate instruction and feel comfortableoperating it.Stony Brook UniversityEnvironmentalHealth & SafetyOctober 2017EHSD0398 (10/17)Page 3 of 7www.stonybrook.edu/ehs

Machine Shop Safety Rules28. Follow all special rules and regular safety procedures while using the equipment. Guidelines areposted on individual pieces of equipment.29. If you’re unsure about the safe operation of a tool or any aspect of a job – ask for help! You arenot authorized to use equipment on which you have not had appropriate instruction.30. Use equipment for its intended use. Use the correct tools for the job. Do not use a tool orattachment for something it was not designed to do. Machine shop tools are not to be used forprocessing samples unless the tool has been specifically designated for that purpose. Select thecorrect bit, cutter or grinding wheel for the material with which you are working. This saves timeand improves the quality of work and reduces the risk of mishap. If necessary, consult theinstructions, shop manual or ask shop supervisor.31. Know the machine. Before using any tool, read the operator's manual, or comparable literatureincluding the specific information posted in the shop, to learn the applications, limitations, andpotential of each power tool. Never use a tool unless trained to do so.32. Know the emergency-stop switch location(s). Remember where the switch is located so you canturn off the machine quickly.33. Inspect all tools and machinery before each use and replace or repair if parts are worn ordamaged. Inspect screws, nuts, bolts and movable parts to make sure they are tightened. Repairtools only if you are trained to do so.34. Check the power cords and plugs on portable tools for before using them. Make sure the cordwill not become caught or angled. The cord should be flexible, but not easy to knot. Clean thecord regularly and inspect the grounding connections.35. Machine guards must be kept in place while operating equipment, when appropriate. If machineguards need to be adjusted or removed under special circumstances, permission must begranted by machine shop supervisor. Once the task is completed, machine guards must returnto their original position.36. Make sure the machine work surface is clean, unobstructed and ready for use.37. Before starting a machine, always check it for correct setup and always check to see if machineis clear by operating it manually, if possible.38. Keep your fingers clear of the point of operation of machines by using special tools or devices,such as, push sticks, hooks, pliers, etc. Keep your hands away from sharp tools.39. Never use a rag near moving machinery. Use paper towels if necessary.40. If a machine, tool or other piece of equipment breaks or operates improperly, stop using it andreport the problem to the supervisor immediately. Do not use broken or damaged equipment.Students are not to attempt to make repairs to tools or equipment. Everyone must comply withthis rule in order to prevent injuries caused by broken or malfunctioning equipment. Hiding orconcealing broken tooling only slows the replacement of that piece of tooling, so it won’t bethere next time you need it.41. If you have made an adjustment to a piece of equipment, report to shop supervisor42. Used lumber should not be used on machines. If used lumber must be used, it must bethoroughly checked for nails, etc.43. A hard hammer should not be used to strike a hardened tool or any machine part. Use a softfaced hammer.October 2017EHSD0398 (10/17)Stony Brook UniversityEnvironmental Health & SafetyPage 4 of 7www.stonybrook.edu/ehs

Machine Shop Safety Rules44. When working with metal, secure the metal materials with clamps or in a vise to keep it frommoving.45. Securely clamp down all work pieces in drill press and milling machines. This will prevent workfrom being lifted up or spun around with the cutters. Use all guards that are available and bewary of points of contact with rotating cutters and chucks.46. Work only at operating speed. Do not use a power tool before it has reached operating speed orwhile it is coming to a stop. Never force a tool by applying too much pressure. Let each toolwork at its own speed without forcing it. Once a power tool has been turned off, allow it tocoast to a stop. Never force an object into moving parts to stop a machine.47. Keep tools clean and in good repair. Always clean up power tools before putting them away.48. Avoid using tools that are or appear to be in disrepair. Use power tools only for their intendedfunctions.49. Always turn off and unplug a power tool before adjusting, oiling, cleaning or repairing it;attaching an accessory; or changing bits, blades or grinding wheels. Before making adjustmentsor changing bits or cutters, disconnect the power cord to avoid accidentally touching the switchand possible injury when the tool starts. Unplug or lockout tools when not in use.50. Unplug tools by pulling directly on the plug. Jerking on the cord can cause damage to the tool.51. Do not leave a machine running unattended unless it was designed for this. Make sure allmoving parts have come to a complete stop before you leave the work area or before you makeminor adjustments.52. Use a ground fault circuit interrupter when working with portable power tools near water.53. Use safe blades. Never use cracked or kinked saw blades. Keep saw blades sharp and properlyset.54. Personal power tools may not be brought from home for use in the machine shop unless theyhave been inspected by the Machine Shop Supervisor for safe operation.55. Do not machine, grind, or cut any radioactive or other solid toxics, such as magnesium,beryllium and asbestos (e.g. transite board). Magnesium alloy is safe to use.56. Do not leave keys on chucks of lathes, drill presses, and milling machines. The key can be thrownout with great force when machinery is turned on. This also applies to wrenches used to tightenthe cutting tools into the spindles of the milling machines.57. Clean and replace tools where you found them. All tools must be returned to their proper placeafter use. The toolboxes and cabinets are organized according to the character of their contents.People expect to find tools in their ‘usual’ locations, so clean and replace everything where itbelongs when you’re finished.58. Stack and store projects neatly in assigned areas labeled with your name and date.Chemicals, Cleaners, Solvents, and Hazardous MaterialsOctober 2017EHSD0398 (10/17)Stony Brook UniversityEnvironmental Health & SafetyPage 5 of 7www.stonybrook.edu/ehs

Machine Shop Safety Rules59. If you have not worked with a particular material before, check the Safety Data Sheets (SDS) forany specific precautions to be taken while working with the material. Also, ask the shoppersonnel before cutting any unusual material.60. Heavy sanding and grinding should only be done in well‐ventilated areas.61. Follow all appropriate precautions when working with solvents, paints, adhesives or otherchemicals. Use appropriate protective equipment.62. Used rags, especially oily and greasy ones, must be kept in a covered, marked container. Ragsmust be a safe distance from the welder and other sources of ignition. Always store oily rags inan approved metal container.63. No welding, cutting or brazing or work that produces noxious vapors may occur in the shopunless it has ventilation designed for this.64. Handle fiberglass with care. Its particles can irritate the skin, eyes and respiratory system.65. Know what you are soldering with. Lead solder is toxic and must be collected as hazardouswaste.66. Dispose of solvents, cleaners, chemicals and other hazardous materials of any kind in the propercontainers.Accidents67. All accidents must be reported to the supervisor immediately. Complete an accident form.68. Do not attempt to remove foreign objects from the eye or body. If chemicals get in the eye(s),wash eye(s) for 15 minutes in an open flow of water before getting medical treatment.69. Know the emergency numbers! Call University Police for medical or other emergencies from acampus phone 333 or cell phone 631‐632‐3333.70. Shop fires can be any one or a combination of three fire classes: Class A, ordinary combustibles;Class B, combustible liquids; and Class C, fires in live electrical equipment. Class D fires areflammable solids (e.g., magnesium). ABC Class extinguisher is located in close proximity to theshop. Everyone should be familiar with its location and know how to use it in case of emergency.For fire safety training, please contact the fire marshals at 631-632-9678.October 2017EHSD0398 (10/17)Stony Brook UniversityEnvironmental Health & SafetyPage 6 of 7www.stonybrook.edu/ehs

Machine Shop Safety RulesMachine Shop Safety AgreementI have read, understood, and agree to abide by the above Machine Shop Safety Rules. I acceptresponsibility for following good safety practices when working in the Machine Shop and for reportingany unsafe conditions therein.I have: Successfully completed the EH&S Machine Shop Safety Course EOS 029,I understand that my next steps are To have shop policies and procedures explained to meTo receive demonstrations on all the major machinesBeing instructed to ask for help on any machine with which I am not familiar. I will not operateany machine without such instructionWearing eye protection when working on or near any machine creating eye hazard.Date:SBU ID:Print Name:Signed:Shop Safety Instructor:A signed copy of this agreement must be kept in each shop.October 2017EHSD0398 (10/17)Stony Brook UniversityEnvironmental Health & SafetyPage 7 of 7www.stonybrook.edu/ehs

Safe procedures for shop operations are described in the Machine Shop Health and Safety Procedures book. Machine Shop Requirements 1. Everyone working on machines must: a. Have a SBU ID b. Successfully complete specific shop course or work under the supervision of the instructor c. Suc

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