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AS 2187.2-1993 explosives - storage, transport and use - use of explosives

Standard Number:  AS 2187.2-1993
Title:  explosives - storage, transport and use - use of explosives
Language:  English
Publication Date:  1993/4/13
Execute Date:  1993/6/14
Status:  Withdrawn
International Classification for Standards (ICS)CHEMICAL TECHNOLOGY>>Products of the chemical industry>>Explosives. Pyrotechnics
Publisher:  Australia Standards(AS)
Price:  
Number of Pages:80P.;A4  

Preface:   
Description:Sets out requirements for the safe use of explosives including the mixing, testing, initiation and firing of charges. The Standard also provides information on misfires as well as considerations such as ground vibration and airblast. Special topics including blasting in hot material, blasting under water and demolition by blasting are also included.  
Catalog:Document Contents
AS 2187.2-1993 EXPLOSIVES - STORAGE, TRANSPORT AND USE - USE OF EXPLOSIVES
PREFACE
CONTENTS
SECTION 1 SCOPE AND GENERAL
1.1 SCOPE
1.2 NEW MATERIALS, METHODS AND APPLICATIONS
1.3 REFERENCED DOCUMENTS
1.4 DEFINITIONS
1.4.1 Signal tube
1.4.2 Signal tube starter
1.5 REGULATORY AUTHORITY
1.6 AUTHORITY TO USE EXPLOSIVES
SECTION 2 GENERAL REQUIREMENTS
2.1 EXPLOSIVES
2.2 HANDLING OF EXPLOSIVES
2.3 BLASTING EQUIPMENT
2.4 REPORTING OF THEFT OR LOSS OF EXPLOSIVES
2.5 REPORTING OF INJURY OR DAMAGE
2.5.1 Damage to property
2.5.2 Injury to or death of persons
2.6 EMERGENCY PROCEDURES
SECTION 3 SITE MIXING OF EXPLOSIVES
3.1 MATERIALS
3.2 FIRE PRECAUTIONS ON MIXING SITES
3.3 MIXING APPLIANCES AND BUILDINGS
3.3.1 Appliances
3.3.2 Mobile mixing appliances
3.3.3 Mixing-house buildings
3.4 MIXING OF ANFO
3.4.1 Materials
3.4.2 ANFO
3.5 STORAGE OF MIXED EXPLOSIVES
SECTION 4 OPERATIONS PRIOR TO CHARGING
4.1 PNEUMATIC CHARGING
4.2 CAPPING SAFETY FUSE
4.2.1 Safety fuse
4.2.2 Inspection of plain detonators
4.2.3 Insertion of fuse in detonators
4.2.4 Waterproofing of detonator and fuse junction
4.3 CAPPING SITE
4.4 TESTING ELECTRIC DETONATORS
4.5 PREPARATION OF PRIMERS
SECTION 5 CHARGING
5.1 SAFETY PRECAUTIONS
5.2 PRECAUTIONS AT SITE
5.3 BLASTHOLES
5.3.1 Hole diameter
5.3.2 Drilling in old holes
5.3.3 Cleanness
5.4 INSERTION OF CHARGE
5.4.1 Position of person charging
5.4.2 Procedure
5.4.3 Free-flowing granular explosives
5.4.4 Cutting of cartridges
5.4.5 Location of primer
5.4.6 Pumpable explosives
5.5 STEMMING
5.5.1 Stemming material
5.5.2 Tamping of stemming material
5.5.3 Precautions
5.5.4 Tamping rods
5.6 BULLING
SECTION 6 METHOD OF INITIATION
6.1 DETONATING CORD AND SIGNAL TUBE
6.2 SAFETY FUSE
6.3 ELECTRIC FIRING WITH EXPLODER
6.3.1 Exploders
6.3.2 Electrical firing circuit
6.3.3 Testing
6.4 MAINS FIRING
6.4.1 General
6.4.2 Firing switch
6.4.3 Firing cable
6.4.4 Electrical connections
6.5 NON-ELECTRIC FIRING
SECTION 7 FIRING
7.1 WARNING PROCEDURES
7.2 PROCEDURES AFTER FIRING
7.2.1 Electric firing
7.2.2 Examination of site
SECTION 8 MISFIRES
8.1 DETERMINATION OF MISFIRES
8.2 PRECAUTIONS
8.3 EXAMINATION OF SITE
8.4 TREATMENT OF MISFIRES
8.4.1 Refiring misfired holes
8.4.2 Removal of stemming
8.4.3 Firing of new hole in vicinity
8.4.4 Search for explosives
8.4.5 Alternative procedures
8.4.6 Explosive recovered from misfires
SECTION 9 DISPOSAL OF SURPLUS AND DEFECTIVE EXPLOSIVES
9.1 GENERAL
9.2 METHOD OF DISPOSAL
9.2.1 General
9.2.2 Explosives other than detonators
9.2.3 Detonators
SECTION 10 SPECIAL CONSIDERATIONS
10.1 EXTRANEOUS ELECTRICITY
10.1.1 General
10.1.2 Atmospheric electrical activity
10.1.3 Direct contact with electrical conductors
10.1.4 Induced currents and stray currents
10.1.5 Static electricity
10.2 GROUND VIBRATION AND AIRBLAST
10.3 FLYROCK
10.4 BLASTING UNDER WATER
10.4.1 Precautions
10.4.2 Detonators
10.4.3 Junctions
10.4.4 Exploder key or handle
10.5 COMPRESSED AIR SHAFTS, CAISSONS AND TUNNELS
10.5.1 Storage
10.5.2 Transport into working chamber
10.5.3 Method of initiation
10.5.4 Testing of electric detonators
10.5.5 Firing, before and after
10.6 BLASTING IN HOT MATERIAL
10.6.1 General
10.6.2 Temperature measurement
10.6.3 Types of explosives
10.6.4 Charging
10.6.5 Misfires
10.7 HIGH TEMPERATURE BLASTING
10.7.1 Definition of high temperature blasting
10.7.2 Temperature measurement
10.7.3 Explosives and charging practices
10.7.4 Checking of blasthole
10.7.5 Cooling of blasthole
10.7.6 Preparation of charge
10.7.7 Assistance to shotfirer
10.7.8 Connecting firing circuit
10.7.9 Misfires
10.7.10 Stemming
10.7.11 Number of blastholes
10.8 DEMOLITION
10.9 BLASTING IN OXIDIZING GROUND
10.10 LASER HAZARDS
APPENDIX A - BLASTING RECORDS
A1 INTRODUCTION
A2 GENERAL BLAST RECORD
A3 LARGER BLAST RECORD
A4 TUNNEL BLAST RECORD
APPENDIX B - EQUIPMENT AND ITS MAINTENANCE
B1 GENERAL
B2 APPROVAL OF EQUIPMENT
B3 CARE OF EQUIPMENT
B4 CIRCUIT TESTER
B5 EXPLODER
B5.1 Maintenance
B5.2 Routine testing
B5.3 Construction
B5.4 Labelling
B5.5 Electrical design features
B6 TESTING OF EXPLODERS
B7 FIRING CABLE
APPENDIX C - FIRE PRECAUTIONS
C1 GENERAL
C2 AMMONIUM NITRATE
C3 EXPLOSIVES
APPENDIX D - PREPARATION OF PRIMERS
D1 PRIMING
D2 METHOD OF INITIATION
APPENDIX E - FLYROCK
E1 INTRODUCTION
E2 FLYROCK FORMATION
E2.1 Weak rock structure
E2.2 Front row hole burdens
E2.3 Stemming depth
E2.4 Initiation sequence
E2.5 Blasthole diameter
E2.6 Stemming material
E3 FLYROCK CONTROL
E3.1 General
E3.2 Examination of blast site and surveying of blast faces and blastholes
E3.3 Charge configuration and loading procedure
E3.4 Stemming medium
E3.5 Initiation
E3.6 Blast pattern shape and alignment
E3.7 Protective cover
APPENDIX F - FIRING CIRCUIT CONNECTIONS
F1 ELECTRIC FIRING
F1.1 Series
F1.2 Parallel connection
F1.3 Series-in-parallel connection
F1.4 Parallel-in-series connection
F1.5 Connection and testing of electrical firing circuits
F2 DETONATING CORD
F3 SIGNAL TUBE
APPENDIX G - DETERIORATION OF EXPLOSIVES
G1 GENERAL
G2 WATER-GEL EXPLOSIVES
G3 EMULSION EXPLOSIVES
G4 NITROGLYCERINE/NITROGLYCOL-BASED EXPLOSIVE
G5 DETONATORS
APPENDIX H - DESTRUCTION OF EXPLOSIVES BY BURNING
H1 METHOD
H2 GENERAL
APPENDIX I - EXTRANEOUS ELECTRICITY
I1 SCOPE
I2 SOURCES OF EXTRANEOUS ELECTRICITY
I3 GENERAL PREVENTIVE MEASURES
I4 STRAY CURRENTS
I4.1 General
I4.2 Testing for stray currents
I5 STATIC ELECTRICITY
I5.1 General
I5.2 Dusty conditions, snowstorms
I5.3 Other static electric hazards
I5.4 Pneumatic loading of free-flowing granular explosives
APPENDIX J - GROUND VIBRATION AND AIRBLAST
J1 INTRODUCTION
J2 DESCRIPTION OF THE PHENOMENA
J2.1 Ground vibration
J2.2 Airblast
J3 RECOMMENDED MAXIMUM LEVELS
J3.1 General
J3.2 Ground vibration
J3.3 Airblast
J4 MEASUREMENT
J4.1 General
J4.2 Ground vibration
J4.3 Airblast
J4.4 Records
J5 OPERATING PRACTICE
J5.1 General
J5.2 Ground vibration
J5.3 Airblast reduction
J6 BLASTING COMPLAINTS
J7 ESTIMATION OF GROUND VIBRATION LEVELS
J7.1 General
J7.2 Free face-hard or highly structured rock
J7.3 Free face-average rock
J7.4 Heavily confined blasting-nearfield
APPENDIX K - DEMOLITION
K1 GENERAL
K2 PRINCIPAL AREAS OF CONCERN
K3 AUTHORITIES/DEPARTMENTS THAT MAY REQUIRE NOTIFICATION
K4 PREPARATION OF THE STRUCTURE
K5 EXPLOSIVES
K6 INITIATION SYSTEMS
K7 SUBMISSION TO REGULATORY AUTHORITIES
K8 CONTINGENCY PLANNING
  
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Tile in English:  explosives - storage, transport and use - use of explosives

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