BS EN 14487-2:2006

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Documentation
   4.1 Project specification
   4.2 Execution documentation
5 Preparatory works
   5.1 For strengthening of ground
        5.1.1 Preparation of substrate
        5.1.2 Removal of dust and debris
        5.1.3 Pre-wetting
        5.1.4 Protection against extreme ambient temperatures
   5.2 For repair, upgrading and free-standing structures
        5.2.1 Scaffolding, falsework and formwork
        5.2.2 Preparation of substrate
        5.2.3 Pre-wetting
        5.2.4 Protection against extreme ambient temperature
6 Reinforcement
7 Equipment
   7.1 Storage of materials
   7.2 Batching equipment
   7.3 Mixers
   7.4 Spraying equipment
   7.5 Testing equipment
8 Batching, mixing and delivery of concrete
   8.1 Batching and mixing
   8.2 Delivery
        8.2.1 Dry mix process
        8.2.2 Wet mix process
9 Execution of spraying
   9.1 Spraying
   9.2 Surface of finished concrete
   9.3 Curing and protection
10 Geometrical tolerances
   10.1 General
   10.2 Thickness
11 Inspection
   11.1 General
   11.2 Scope for inspection of execution
   11.3 Inspection actions related to the scope of inspection
Annex A (informative) Guidance on documentation
Bibliography

Applies to sprayed concrete to be used for ground strengthening, repair and upgrading of existing structures and for free-standing structures.

This European Standard is applicable to sprayed concrete to be used for ground strengthening, repair and upgrading of existing structures and for free-standing structures.

The standard specifies requirements for the execution of concrete spraying both by wet and dry process.

The standard is applicable to temporary as well as permanent structures.

This standard does not cover safety and health aspects of execution.

This standard does not state requirements for quality assurance and for qualification of personnel for the various activities.