WELDING/CUTTING 1926 Subpart J - Welding and Cutting
WELDING/CUTTING 1926 Subpart J - Welding and Cutting 1926 Subpart J - Welding and Cutting (1926.350 to 1926.354)
1926.350 Gas Welding and Cutting 1926.351 Gas Welding and Arc Welding 1926.352 Fire Prevention 1926.353 Ventilation and protection in welding, cutting, andheating. 1926 Subpart J - Authority for 1926 Subpart J 1926.350 Gas Welding and Cutting
Valve cap protection 1926.350 (a)(1) Valve protection caps shall be in place and secured. 1926.350 (a)(5) Valve protection caps shall not be used for lifting cylinders from one vertical position to another. Bars shall not be used under valves or valve protection caps to pry cylinders loose when frozen. Warm, not boiling, water shall
be used to thaw cylinders loose. 1926.350(a)(6) Unless cylinders are firmly secured on a special carrier intended for this purpose, regulators shall be removed and valve protection caps put in place before cylinders are moved. Valve cap
1926.350(a)(4) Transporting of cylinders When cylinders are transported by powered vehicles, they shall be secured in a vertical position. 1926.350(a)(7) A suitable cylinder truck, chain, or other steadying device shall be used to keep cylinders from being knocked over while in use. 1926.350(a)(8)
Cylinder valve When work is finished, when cylinders are empty, or when cylinders are moved at any time, the cylinder valve shall be closed. 1926.350(a)(9) Upright position Compressed gas cylinders shall be secured in an upright position at all times
except, if necessary, for short periods of time while cylinders are actually being hoisted or carried. Valve 1926.350(a)(10) Oxygen cylinders in storage shall be separated from fuel-gas cylinders or combustible materials(especially oil or
grease), a minimum distance of 20 feet (6.1 m) or by a noncombustible barrier at least 5 feet (1.5 m) high having a fireresistance rating of at least one-half hour. 1926.350(a)(11) Inside of buildings, cylinders shall be stored in a well-protected, wellventilated, dry location, at least 20 feet (6.1 m) from highly combustible materials such as oil or excelsior. Cylinders should be stored in definitely assigned places away from elevators, stairs, or gangways. Assigned storage
places shall be located where cylinders will not be knocked over or damaged by passing or falling objects, or subject to tampering by unauthorized persons. 1926.350 (d)(1) Before a regulator to a cylinder valve is connected, the valve shall be opened slightly and closed immediately. (This
action is generally termed "cracking" and is intended to clear the valve of dust or dirt that might otherwise enter the regulator.) The person cracking the valve shall stand to one side of the outlet, not in front of it. 1926.350(d)(3) Suitable regulators
Fuel gas shall not be used from cylinders through torches or other devices which are equipped with shutoff valves without reducing the pressure through a suitable regulator attached to the cylinder valve or manifold. 1926.(d)(4) Removal of regulator Before a regulator is removed
from a cylinder valve, the cylinder valve shall always be closed and the gas released from the regulator. 1926.350 (f)(1) Hose colors Fuel gas hose and oxygen hose shall be easily distinguishable from each other. The contrast may be
made by different colors or by surface characteristics readily distinguishable by the sense of touch. Oxygen and fuel gas hoses shall not be interchangeable. A single hose having more than one gas passage shall not be used. 1926.350 (f)(2) Taped sections
When parallel sections of oxygen and fuel gas hose are taped together, not more than 4 inches out of 12 inches shall be covered by tape. 4 12
1926.350 (f)(3) Inspections All hose in use, carrying acetylene, oxygen, natural or manufactured fuel gas, or any gas or substance which may ignite or enter into combustion, or be in any way harmful to employees, shall be inspected at the beginning of each working shift.
Defective hose shall be removed from service. cracking 1926.350 (f)(5) Hose couplings shall be of the type that cannot be unlocked or disconnected by means of a straight pull without rotary motion.
1926.350 (g)(1) - Torches. Clogged torch tip openings shall be cleaned with suitable cleaning wires, drills, or other devices designed for such purpose. 1926.350(g)(2) Torches in use shall be inspected at the beginning of each working shift for leaking shutoff valves, hose couplings, and tip
connections. Defective torches shall not be used. 1926.350 (g)(3) - Lighters Torches shall be lighted by friction lighters or other approved devices, and not by matches or from hot work. Striker Torch Settings for Cutting Rebar
AIRCO A164-1 Rebar 3/8 : Oxygen 30 psi Acetylene 5 psi Rebar : Oxygen 40 psi Acetylene 5 psi FUMES MAY PRODUCE METAL FUME FEVER
SYMPTOMS RESEMBLE: Respiratory disturbances Infection - Influenza Fever - Acute Bronchitis Pneumonia - Chills, Shivering, Trembling, Nausea, Vomiting may also occur. WELDERS EXPOSED TO FUMES CONTAINING IRON, CHROMIUM,
CHROMATES, LEAD AND ALUMINUM MAY SUFFER: DAMAGE TO LUNGS LUNG CANCER NERVOUS SYSTEM PROBLEMS IRRITATION TO EYES, NOSE, AND THROAT HEARING LOSS
CAN BE CAUSED BY HAZARDOUS NOISE LEVELS EYE INJURIES RETINAL INJURIES CATARACTS KERATITIS SPLATTERING METAL
EXPOSURE TO ULTRAVIOLET RADIATION CAN CAUSE SEVERE SKIN BURNS EPIDERMIS DERMIS SUBDERMIS REDUCED POWER AND
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