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O P E R A T I V E S T R A I N I N G M A N U A L V E R S I O N 4
22.2 OXY-ACETYLENE WELDING AND CUTTING ................................................................. 109
22.3 ELECTRIC WELDING (MIG-TIG-ARC) ....................................................................... 110
22.4 PARTICULATE FUME ................................................................................................ 111
22.5 GASEOUS FUME ...................................................................................................... 111
22.6 EXPOSURE TO FUME ............................................................................................... 111
22.7 WELDING FUME FEVER ............................................................................................ 111
22.8 SYMPTOMS ............................................................................................................. 112
22.9 CAUSES .................................................................................................................. 112
22.10 CONTROL MEASURES .............................................................................................. 112
22.11 CHROMIUM IN FUME ................................................................................................ 112
22.12 CONFINED SPACE WELDING ..................................................................................... 112
23 LOCAL EXHAUST VENTILATION (LEV) .................................................................... 113
23.1 LEV AT HARRISON INDUSTRIAL LTD .......................................................................... 113
23.2 MAINTENANCE ........................................................................................................ 114
23.3 CAPTURE AND WORKING ZONE ON AN LEV ............................................................... 114
24 HOT WORKS POLICY ................................................................................................ 115
24.1.1 Introduction .................................................................................................. 115
24.2 COMPANY HOT WORK FIRE SAFETY PROCEDURES ................................................... 115
24.3 COMPANY ADMINISTRATION PROCEDURE ................................................................. 115
24.4 STAGE 1 ................................................................................................................. 116
24.5 STAGE 2 ................................................................................................................. 116
24.6 STAGE 3 ................................................................................................................. 116
24.7 STAGE 4 ................................................................................................................. 117
24.8 PRECAUTIONS - GAS WELDING AND CUTTING APPARATUS ......................................... 117
24.9 PRECAUTIONS - ELECTRIC WELDING AND CUTTING APPARATUS ................................. 117
24.10 PRECAUTIONS - CYLINDERS ..................................................................................... 117
24.11 PRECAUTIONS - GRINDING WHEELS AND CUTTING DISCS .......................................... 118
24.12 FIRE SAFETY ........................................................................................................... 118
24.13 FIRE EXTINGUISHERS .............................................................................................. 119
24.14 FIRED CONTAINERS ................................................................................................. 119
25 FIRE RISK ASSESSMENT .......................................................................................... 120
25.1 FIRE FIGHTING EQUIPMENT. ..................................................................................... 120
25.2 FIRE PREVENTION PROCEDURES ............................................................................. 120
25.3 FIRE EMERGENCY PROCEDURES .............................................................................. 121
25.4 FIRE TRAINING. ....................................................................................................... 121
25.5 MEANS OF ESCAPE ................................................................................................. 122
25.6 EVACUATION TRAINING ............................................................................................ 122
25.7 FIRE ALARM SYSTEM ............................................................................................... 122
26 FIRE & SMOKE DAMPERS ........................................................................................ 122
26.1 WHAT IS A FIRE/SMOKE DAMPER? ........................................................................... 122
26.2 FIRE DAMPER MAINTENANCE ................................................................................... 123
26.3 WHAT CAN GO WRONG? ......................................................................................... 123
26.4 TRAINING AND COMPETENCE ................................................................................... 124
26.5 THE VISUAL INSPECTION ON SITE ............................................................................ 124
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