Safe Quarry - Health and Safety Authority

ILLUSTRATIONS, DIAGRAMS & TABLES
Illustrations & Photographs
Reference Title Page No
PART 2: SAFETY AND HEALTH MANAGEMENT
Figure 1 Notification of Commencement or Abandonment of Quarrying Operations
or Change of Operator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 2 Sample management structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
PART 3: GENERAL SAFETY PROVISIONS
Figure 3 Sample daily inspection record for a quarry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 4 Crushed by Face Collapse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Figure 5 Sample inspection form for periodic inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 6 Recommended haul road width (single vehicle) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Figure 7 Recommended haul road width (two-way traffic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 8 Grade as a percentage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 9 Grade as an angle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 10 Comparison percent v degrees . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 11 Excessive gradients . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 12 Vehicle over running an edge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Figure 13 Edge protection less than 1.5 metres or the radius of the largest vehicle . . . . . . . . . . . 34
Figure 14 Boulders or blocks of stone used as edge protection that can
be easily pushed aside . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 15 Consolidated bank of material large enough to absorb a vehicles momentum . . . . . 35
Figure 16 Rocks with heapings of scalpings between and behind the rocks . . . . . . . . . . . . . . . . . 35
Figure 17 Responsibilities for ensuring safe operation of vehicles . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 18 Unsafe tipping point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 19 Safe tipping point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 20 Excavator with falling object protection provided . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Figure 21 Improved all round visibility provided by CCTV system . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Figure 22 Photo montage of a large dumper truck fitted with CCTV and
mirrors to improve visibility from the driving position . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Figure 23 Two means of supporting a tipper body . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Figure 24 Wheel handling equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Figure 25 Control measures for reversing operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Figure 26 Overhead cable protection at a traffic route . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Figure 27 Signage, bunding and rescue equipment at a sand & gravel lagoon . . . . . . . . . . . . . . . 42
Figure 28 Installing quarry face edge protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Figure 29 Installing quarry face edge protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Figure 30 Installing quarry face edge protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Figure 31 Customer collection area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Figure 32 Deep water warning signs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Figure 33 Operating a quarry using artificial lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Figure 34 Protecting the boundary of a quarry from inadvertent access . . . . . . . . . . . . . . . . . . . . . 51
PART 5: EXPLOSIVES
Figure 35 Survey instruments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Figure 36 Damage caused by Fly-rock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Figure 37 Drilled face . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
PART 6: SAFETY OF EXCAVATIONS (INCLUDING QUARRY FACES), TIPS AND LAGOONS
Figure 38 Horizontally bedded strata . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Figure 39 Steeply dipping strata . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Figure 40 Flowchart of the appraisal & assessments of excavations, tips and lagoons . . . . . . . . 75
Figure 41 Significant Hazard – loose blocks above working area . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Figure 42 Significant Hazard – unstable stockpile recovery face . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Figure 43 Criteria for significant hazards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Figure 44 Illustration of the terms ‘overall face angle’,‘individual face’, toe’ and ‘crest’ . . . . . . . . . 78
Figure 45 Tables of provision of sanitary facilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
SAFE QUARRY GUIDELINES TO THE SAFETY, HEALTH AND WELFARE AT WORK (QUARRIES) REGULATIONS 2008 7