NEN EN 12699 : 2015

1 Scope
2 Normative references
3 Terms and definitions
4 Information needed
5 Site investigation
6 Materials and products
 6.1 General
 6.2 Prefabricated displacement piles
 6.3 Cast in place displacement piles
 6.4 Grout
 6.5 Paints, coatings and other shaft protections
7 Design related considerations
 7.1 Preliminaries
 7.2 General
 7.3 Geometrical construction deviations
 7.4 Sequence of installation
 7.5 Protection of piles
 7.6 Needs for driving assistance
 7.7 Design for impact driving of prefabricated elements
 7.8 Specific design related considerations
8 Execution
 8.1 General
 8.2 Site preparation
 8.3 Equipment and Methods
 8.4 Prefabricated piles
 8.5 Cast in place piles
 8.6 Grouted displacement piles
 8.7 Trimming of concrete piles
 8.8 Additional methods for special cases
9 Supervision, monitoring and testing
 9.1 Supervision
 9.2 Monitoring of pile construction
 9.3 Testing
10 Records
11 Specific requirements
Annex A (informative) Classification and examples
Annex B (informative) Degree of obligation of the provisions

Defines general principles for the execution of displacement piles, that means piles which are installed in the ground without excavation or removal of material from the ground except for limiting heave and/or limiting vibration as well as removal of obstructions or to assist penetration.