11 Special requirements
- a) safety on the site;
- b) safety of the working practices;
- c) operational safety of piling and auxiliary equipment and tools.
The respective national standards, specifications or statutory requirements for execution of micropiling works shall be observed, as long as respective European Standards are not available.
Equipment shall be in accordance with EN 791 and EN 996.
11.2 Regarding nuisance and environmental protection, for each particular situation, as long as respective European Standards are not available, the national requirement and the local requirements shall be observed.
11.3 For all materials used during the execution of the micropiles, environmental suitability shall be proven by the contractor and agreed by the Client's Technical Representative, who acknowledges the use of the materials or additives.
11.4 Impact adjacent structures and slopes
11.4.1 When specified in the project documentation the condition of adjacent structures and slopes shall be carefully observed and documented prior and during the execution of the micropile works.
11.4.2 When specified in the project documentation, surrounding structures and slopes shall be adequately monitored by repeated levelling and alarm systems shall be employed where appropriate.
- 1 Single micopile
- 2 Micropile groups
- 3 Reticulated micropiles
- 4 Micropile walls
- 1 Drilled micropile with base enlargement
- 2 Cast-in-place cased micropile with base enlargement
- 3 Micropile with base of expanded body
- 4 Micropile with enlargement by grouting
- 1 Overlength
- 2 Cut-off level
- 3 Reinforcement
- 1 Packer
- 1 Packer