Construction Blasting Safety - Code of Practice for - Safety in Construction No. 4
The use of explosives in construction work is both an art and a science. It is a practical art in that it takes many years of experience to appreciate fully the finer points of handling and usage. As a science, it requires considerable engineering knowledge of explosives and their effect on a variety of materials.
Since 1963 the Blasting Code has been a valuable reference book for certificated construction blasters, as well as providing assistance for candidates who are preparing for the construction blasters' examination. Metrication and revision of this code has been jointly carried out by representatives from the construction industry and departmental officers.
Table of Contents
Glossary of Terms
Part l - Introduction
1.1 Purpose
1.2 Construction Act l959
1.3 Construction Regulations 1961
1.4 Construction Work
1.5 Safety Inspector
1.6 Directions and Orders
1.7 Notifiable Construction Work
1.8 Safety Supervisors
1.9 An Employer
1.l0 An Employer's Responsibility
1.11 Workmen
1.12 Workmen's Responsibility
1.13 Construction Blaster
1.14 Examination Subjects for Construction Blasters
1.15 Construction Blasters Responsibility
1.16 Safety Supervisor
1.17 Safety Supervisor's Responsibility
1.18 Safe Handling, Carriage, and Storage Responsibility
1.19 Safety Requirements
1.20 Authorised Explosive
1.21 General Safety
Part 2 - Explosives and Their Description
2.1 Definition of an Explosive
2.2 Main Types of Explosives
2.3 Classification of High Explosives
2.4 Commercial Explosives
2.5 AN Explosives
2.6 Ammonium Nitrate Carbonaceous Blasting Agent
2.7 Strength of Explosives
2.8 Wrapper Terminology
2.9 Comparison of Explosives
2.10 Plaster Charges
2.11 Granular Explosives
2.l2 Sheet Explosives
2.l3 Underwater Explosives
2.14 Sizes of Explosives
2.15 Life of Explosives
2.16 Choice of Cartridge Size
2.17 Health Hazards
2.18 Special Explosives
Part 3 - Detonation of Explosives
3.1 Initiation of Explosives
3.2 Firing of Blasting Powder
3.3 Performance of High Explosives
3.4 Firing of Gelatinous Explosives
3.5 Firing of ANFO
3.6 Plain Detonators
3.7 Safety Fuse
3.8 Electric Detonators
3.9 Electric Delay Detonators
3.10 Submarine Detonators
3.11 Detonating Fuse
3.12 Detonating Fuse Relays
Part 4 - Primers and Firing
4.1 Primer
4.2 Preparation of Capped Fuse
4.3 Ignition of Safety Fuse
4.4 Inserting the Capped Fuse into the Explosives
4.5 Position of Primer and Charge
4.6 Electric Shot Firing
4.7 Testing of Electric Detonators
4.8 Ohmmeters
4.9 Connections and Firing Cable
4.10 Preparation of a Primer with an Electric Detonator
4.11 Series Circuit
4.l2 Other Circuits
4.13 Exploders
4.14 Locking of Exploders
4.15 Firing Cable
4.16 Cable Testing
4.17 Cable Anchoring
4.18 Cable Running
4.19 Stemming
4.20 Tamping
4.2l Precautions During Tamping
4.22 Tamping Rods
4.23 Stemming of Underwater Charges
4.24 Firing of Explosives
Part 5 - Safety Precautions During Blasting
5.1 Defective Explosives
5.2 Public Relations
5.3 Orderliness and System
5.4 Accessories
5.5 System and Control of Debris
5.6 Counting of Multiple Detonations
5.7 Log Book
5.8 Prevention of Fly Rock or Debris
5.9 Size of Danger Area
5.10 Vibration Damage Area
5.11 Warning Signals
5.12 Sentries
5.13 Extraneous Electricity
5.14 Precautions Against Lightning
5.15 Misfires
5.16 Reasons for Safety Fuse Misfires
5.17 Electric Initiation Misfires
5.18 Detonating Fuse Misfires
5.19 Treatment of Safety Fuse Misfire
5.20 Electric Initiation Misfire
5.21 Detonator Misfire
5.22 Misfire Treatment
5.23 Removal of Stemming and Repriming
5.24 Relieving Hole-Misfire Treatment
5.25 Predrilling Precautions
5.26 Shattered Ground
5.27 Misfire Personnel
Part 6 - Uses of Explosives
6.1 General
6.2 Bulled Hole
6.3 Popping
6.4 Plaster Charges
6.5 Detonating Fuse Uses
6.6 Demolitions
6.7 Demolition Plaster Charges
6.8 Bore Hole Demolition Charges
6.9 Demolition of Stee
6.10 Demolition of Timber Piles
6.11 Stump Remova
6.12 Line Drilling
6.13 Presplitting
6.14 Ditch Blasting
6.15 Demolition of Machinery Foundations
6.16 Demolition of Structures
Part 7 - Storage and Destruction of Explosives
7.1 Introduction
7.2 Types of Storage
7.3 Storage of Explosives
7.4 Suitable Temporary Storage
7.5 Site Use and Danger Distances
7.6 Rotation of Stocks
7.7 Record of Stock
7.8 Magazine Surrounds
7.9 Magazine Interiors
7.10 Magazine Conduct
7.11 Detonator Storage
7.12 Safety Fuse Storage
7.13 Left Over or Unused or Unwanted Explosives
7.14 Destruction of Blasting Materials
7.15 Signs of Defective High Explosives
7.16 Disposal by Burning
7.17 Disposal by Dissolving in Water
7.18 Disposal of Detonators
7.19 Safety Fuse Destruction
7.20 Detonating Fuse Destruction
7.21 Explosive Containers and Wrappers Disposal
Part 8 - Legislative Requirements
8.1 General
8.2 Statutes Applicable to Use of Explosives on Construction Work
8.3 Explosives Act
8.4 Police Offences Act
8:5 Local Authority Bylaws
8.6 Construction Blasters Code ABC for Safety
Appendix: Blasting Quantity Versus Distance Table
