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29CFR (b)-Accident Reduction, 29CFR Safety Training & Education 29CFR (a)-Unsafe Working Conditions 29 CFR , the Personal Protection Equipment standard. & 20 CFR
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29CFR (b)-Accident Reduction, 29CFR Safety Training & Education 29CFR (a)-Unsafe Working Conditions 29 CFR , the Personal Protection Equipment standard. & 20 CFR Subpart I - Personal Protective Equipment Plumbing Operations and Safety Preparation 1. Read Applicable Background information and related Company Policy Chapter. 2. Make Copies of this Lesson Plan for Personnel 3. Make Transparency, procure transparency pens, etc. 4. Coffee, tea, snacks Material 1. Personal Protective Equipment 2. Objective By the end of this session, personnel shall be able to describe: 1. Personal Protective Equipment 2. Hot Operation Procedures 3. Open Storm Drain Operations 4. Gas Systems 5. Tunnels, Pits and Sump Working Precautions 6. Compressed Air Safety Procedures Background Plumbing operations normally includes the installation, preventive maintenance, and repair of water supply systems, sewage and water disposal systems, natural liquified petroleum gas (LPG) or other gas supply systems (to include gas appliances), and oxygen supply systems. These systems and the maintenance of them contribute to the total well-being Company facilities. Hazards encountered during plumbing operations include, but are not limited to, entry into an oxygen deficient atmosphere (confined space), fire or explosion (by introducing an ignition or flame source into a hazardous environment), and falls. Cave-in of an excavated area, burns from heat producing equipment, strains and sprains of the back (or other muscle group), and cuts and/or bruises, are also potential dangers. Lesson Personal Protective Equipment Personal protective equipment worn during plumbing maintenance operations normally consists of eye and/or face protection, work or chemical resistant gloves, and safety-toe shoes. A bump cap or hard hat may be required under conditions that could result in head injuries (e.g., work in manholes and in close spaces with low overhead pipe or other obstructions). Eye or face protection is required while working plumbing connections, with chemicals, or where an eye hazard could exist while using tools or machines, and while working on pressure systems. The following PPE shall be worn by employees performing plumbing maintenance: Hot Operation Procedures Open Flame permits may be required for these operations. Seek guidance from the Safety and Health Manager or your Supervisor prior to Hot Operations 1) Torches and Furnaces a) Only essential fire prevention items pertaining to the operation of blowtorches and plumber s furnaces are included. Work and storage areas for this equipment shall be well ventilated. b) No one shall be permitted to use a torch or furnace until the user is trained on its use and is familiar with the operating instructions. c) Where flammable or explosive vapors or dust may be present, torches and furnaces shall not be used until the atmosphere has been vented and the sources of such vapors or dust removed. d) Gasoline blowtorches and furnaces shall not be used in small, unventilated spaces since they could cause explosions. Acetylene gas shall never be brought in contact with metal powders such as copper or silver as the combination may produce flashes which can ignite explosive atmospheres. e) Combustible materials in locations where torches or furnaces are to be used shall be protected or kept far enough away to prevent their being subjected to sparks or dangerous temperatures. Appropriate fire extinguishers shall be available. 2) Soldering and Brazing a) Soldering and brazing is the joining of metal parts by melting a fusible alloy. When solders used have a melting point above 800 degrees F, the procedure is called brazing. Improper equipment and/or unsafe practices may cause lead poisoning, irritation from fluxes, burns, electric shock, or fires. The concentration of toxic fumes and irritants at the breathing level of the operation shall be checked. Where required because of toxic fumes, a respirator or adequate ventilation shall be provided. Lead-tin, zinc, silver, cadmium, and antimony-tin solders can pose moderate to serious health hazards. Soldering, particularly with lead-tin, in a confined space where ventilation is not adequate to remove toxic fumes may require the use of a self-contained breathing device. The Safety and Health Manager shall be consulted for evaluation of potential health hazards and recommendations on respiratory protection during welding, soldering, and brazing operations. b) Electric soldering irons shall be grounded unless of double insulation construction. All soldering irons shall be placed in suitable non-combustible receptacles when not in use. Appropriate safety eyewear shall be worn during all soldering and brazing operations. Open Storm Drains Procedures Plumbing personnel are not likely to come in contact with the hazards associated with sewer systems while working on open storm drains. However, there are certain hazards associated with that type of drainage system. Some of these hazards and their associated incidents are: a) Manhole covers Manhole covers are heavy and closely fitted to the manhole opening. Never attempt to lift a cover without using proper pry bar tools, special lifting tools, and additional help where needed. Ensure fingers and toes do not remain under manhole covers when putting them down. a. Hazards Insects, animals, and snakes have been known to nest or den in storm drains. Hazards encountered are: Stings from wasps, spiders, and ants that could lead to toxic shock. Bites from animals that could lead to rabies. Bites from poisonous snakes that could be fatal or cause gangrene. Requirements- Prior to working in storm drains, inspect and clear the drains of dangerous insects, animals, or snakes. Seek assistance from an exterminator or County Animal Control Department when necessary. Wear proper protective clothing, hard hats, boots, and gloves while working in storm drains. Gas Systems Maintenance of gas systems include natural gas, LPG, and oxygen. Shop personnel shall be familiar with the properties of the gases in the systems they maintain. Until proved otherwise, all escaping gases shall be considered flammable. Prior to entering an area where a gas leak is suspected, the area shall be properly vented and purged of existing gas. Personnel entering the area shall be suited with proper protective clothing and selfcontained breathing devices. For oxygen deficient atmospheres, air supply systems with a special emergency escape air supply are required and shall be used. Tools used to repair leaks in or perform maintenance on gas lines shall be spark-free and protective clothing shall be static-free. When working on oxygen dispensing lines, workers shall not use tools and equipment that are coated with lubricating substances or grease. Tunnels, Pits, and Sumps Where shop personnel are required to work in utility tunnels, pits, and sumps, the procedures for Confined Space Entry shall be followed. The atmospheric conditions shall be checked for explosive atmosphere or oxygen deficiency before allowing them to enter. Personnel shall be suited with proper protective clothing and respiratory protective devices, when required, while performing maintenance to underground utilities. All tunnels, pits, or sumps known to be contaminated shall be tagged or identified for the information of work crews. Workers shall be assigned in pairs for work performed on underground utilities and all known contaminated tunnels, pits, and sumps shall be ventilated while work is in progress. When a manhole or vault is open, at least one member of the crew shall be stationed at the surface. This person shall not, under normal circumstances, leave for any purpose. NOTE: UNDER NO CIRCUMSTANCES SHALL A PERSON ENTER A SUBSURFACE STRUCTURE FOR ANY REASON WITHOUT A SECOND PERSON TO ACT AS A GUARD AND TO OBTAIN ASSISTANCE IN THE EVENT OF AN EMERGENCY. In areas where removal of a victim would be difficult, an approved lifeline, equipped with a wrist harness, shall be worn by the person entering the area to facilitate rapid removal in case of an emergency. The second person shall monitor the entry persons progress. Confined Space Entry Procedures shall be followed during tunnel, pit, and sump work operations Compressed Air Plumbing workers should be trained and authorized to inspect, maintain, or install compressed air systems. Before opening a compressed air line, workers shall ensure the line has been completely drained of existing air to prevent a sudden release of air which will cause the line to whip. The reverse is also true; when personnel have installed a new compressed air system, all parts of the system shall be secured together before air is put into the system. Workers shall wear eye and face protective equipment while working on compressed air systems. Closure Working in confined spaces, handling heavy and awkward materials, being subjected to numerous obstructions in limited working space, and health related hazards are conducive to producing accidents. Plumbing maintenance workers need to be knowledgeable of these potential hazards and conditions and take reasonable actions to prevent incidents before they occur. What questions do you have?
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