Welding, Subpart J OSHA 500 Course. Critical Hazards n Heat is a source of ignition in the various...

Welding, Subpart JWelding, Subpart J

OSHA 500 CourseOSHA 500 Course

Critical HazardsCritical Hazards

Heat is a source of ignition in the various Heat is a source of ignition in the various welding processeswelding processes

Welding fumes can become a health hazard Welding fumes can become a health hazard especially in a confined spaceespecially in a confined space

Welding and cutting involves electrical and Welding and cutting involves electrical and other hazardsother hazards

Hot work permits prevent fires and Hot work permits prevent fires and explosionsexplosions

Types of Welding ProcessesTypes of Welding Processes

Oxygen-fuel gas systemsOxygen-fuel gas systems Arc welding and resistance weldingArc welding and resistance welding

OSHA 1910.252 RequirementsOSHA 1910.252 Requirements

Fire prevention precautionsFire prevention precautions Protection of personnelProtection of personnel Fire watchFire watch Management and authorizationManagement and authorization Supervisor responsibilitiesSupervisor responsibilities Welding or cutting containers and void Welding or cutting containers and void

spacesspaces

OSHA 1910.253 RequirementsOSHA 1910.253 Requirements

GeneralGeneral Cylinders - marking and storageCylinders - marking and storage

– Types of cylindersTypes of cylinders– Operating characteristicsOperating characteristics– Specific hazards and safeguardsSpecific hazards and safeguards

Safe operating proceduresSafe operating procedures Protective equipment, hoses, and regulatorsProtective equipment, hoses, and regulators

OSHA 1910.254 RequirementsOSHA 1910.254 Requirements

Arc welding and cuttingArc welding and cutting– Installation of equipmentInstallation of equipment

» GroundingGrounding

» Supply connections and conductorsSupply connections and conductors

– Operation and maintenanceOperation and maintenance» Machine hook-upMachine hook-up

» GroundingGrounding

» Electrode holdersElectrode holders

OSHA 1910.255 RequirementsOSHA 1910.255 Requirements

Hazard control for resistance weldingHazard control for resistance welding– InstallationInstallation– Thermal protectionThermal protection– PersonnelPersonnel– GuardingGuarding

OSHA 1910.255 RequirementsOSHA 1910.255 Requirements

Spot and seam welding machinesSpot and seam welding machines– Voltage, Capacitor welding, Interlocks, Voltage, Capacitor welding, Interlocks,

Guarding, Shields and GroundingGuarding, Shields and Grounding Portable welding machinesPortable welding machines

– Counterbalance, Safety Chains, Clevis, Switch Counterbalance, Safety Chains, Clevis, Switch Guards, and GroundingGuards, and Grounding