Safety & Health in the Stone Crushing Industry - Occupational ...

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50 − − Back pain due to frequent bending in unsafe positions Quicker fatigue at work due to unsafe postures as well as the bending of knees, hands and fingers Picture 21: women leveling boulder pit surface RULA “priority score”: 7 Suggested Action: Investigate and change immediately REBA “priority score”: 14 Suggested Action: Very high score, action necessary NOW! Solutions: Issue and use proper leather gloves, shoes and goggles Immediate training is needed on safe manual material handling procedures in order to create awareness on safety and avoiding MSD, back pain, etc. Shoes and gloves should be made mandatory for this kind of work B.6 Cleaning work under the main crusher Nature of work: The main crusher is cleaned at two stages. First, when quarry dust is collected during crushing from the pit below and the second to remove the falling and struck boulders from the pit below the main crusher. While collecting the dust from below the crusher, the workers are exposed to the highest and most hazardous concentrations of dust. Often women conduct this activity. Risk Factors: − Musculoskeletal Disorders (MSD) and back pain due to working in confined spaces and having little room for safe lifting − Over exertion while lifting without proper hand protection may result in hand and leg injuries − − MSD due to the constant bending and lifting of the women workers Low lighting due to the location and to dust formation may cause disturbance in vision, eye disorders, pulmonary diseases, and other injuries
51 − − Tripping and falling into the pit are possible since there is no proper ladder or barricade and vision is impaired whenever dust is released Not wearing Personal Protective Equipment (PPE) may cause other injuries Picture 22: women cleaning dust and debris our from under the primary crusher RULA “priority Score”: 7 Suggested Action: Investigate and change immediately REBA “priority Score”: 11 Suggested Action: Very high score, action necessary NOW! Solutions: Shut down the crusher for cleaning underneath to prevent the enormous concentration of dust Mandatory training on safe manual material handling practices Shoes, leather gloves, and nose masks are recommended for these categories of workers Provide a fixed ladder with hand rail for entry and exit from the pit A tub trolley/wheelbarrow may be provided to collect the dust and transport small stones, reducing the number of trips and the dust emissions at dust dumping sites Helmet may be provided to the person removing the boulders from the pit
Page 3 and 4: SAFETY & HEALTH IN THE STONE CRUSHI
Page 5 and 6: 3 Table of Contents Table of Conten
Page 7 and 8: 5 Foreword This manual is based on
Page 9 and 10: 7 Eulogy Mr. M. Nithiyananthan, the
Page 11 and 12: 9 A Safety & Health in Stone Crushi
Page 13 and 14: 11 how the work is done and how the
Page 15 and 16: 13 When writing down your results,
Page 17 and 18: 15 Picture 3: worker at the primary
Page 19 and 20: 17 Picture 5: electrical room used
Page 21 and 22: 19 − − − The transformers are
Page 23 and 24: 21 A.2.4 Using Gas Cylinders Safely
Page 25 and 26: 23 − − The conditions of trucks
Page 27 and 28: 25 A.3 Keeping Workers Healthy Ston
Page 29 and 30: 27 Flow Rate: The rate at which wat
Page 31 and 32: 29 Picture 11: dust capture with dr
Page 33 and 34: 31 Dust source with incomplete enca
Page 35 and 36: 33 Noise is mostly produced by eith
Page 37 and 38: 35 PPE might be needed throughout t
Page 39 and 40: 37 Metal sheets and other glare-ge
Page 41 and 42: 39 A.3.7 Taking care of Human Needs
Page 43 and 44: 41 Keep a system for head-count at
Page 45 and 46: 43 B Improving Heavy Physical Work
Page 47 and 48: 45 B.1 Main crusher operator Nature
Page 49 and 50: 47 Solutions: Proper platform shou
Page 51: 49 Solutions: Issue and use proper
Page 55 and 56: 53 Picture 24: stone shed for worke
Page 57 and 58: 55 Picture 26: repairing the crushe
Page 59 and 60: 57 Proposed alternate for sieving o
Page 61 and 62: 59 B.11 Removal of Jammed Boulders
Page 63 and 64: 61 C How Much Does an Accident Cost
Page 65 and 66: 63 D Checklists and Benchmarks The
Page 67 and 68: 65 Area Yes No Comments / Action 3.
Page 69 and 70: 67 D.2 Checklist: Electrical Equipm
Page 71 and 72: 69 D.3 Checklist: Ergonomic Workpla
Page 73 and 74: 71 D.4 Checklist: Fire and Explosio
Page 75 and 76: 73 D.5 Checklist: Accident preventi
Page 77 and 78: 75 D.6 Checklist: Dust and noise re

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