Pile-driving

• Pages: 67-69

67

12. Pile-driving

12.1. General provisions

12.1.1. All pile-driving equipment should be of good design and construction

taking into account as far as possible ergonomic principles, and be properly maintained.

12.1.2. Pile-driving should be carried out only under the supervision of a

competent person.

12.1.3. Prior to piling, all underground services in the area should be located and

rendered safe.

12.1.4. Pile-drivers should be firmly supported on heavy timber sills, concrete

beds or other secure foundation.

12.1.5. If necessary to prevent danger, pile-drivers should be adequately guyed.

12.1.6. Precautions should be taken if it is necessary to erect pile-drivers in

dangerous proximity to electrical conductors to ensure they are first made dead.

12.1.7. If two pile-drivers are erected at one place they should be separated by a

distance at least equal to the longest leg.

12.1.8. When leads have to be inclined:

(a) they should be adequately counterbalanced;

(b) the tilting device should be secured against slipping.

12.1.9. The hoses of steam and air hammers should be securely lashed to the

hammer so as to prevent them from whipping if a connection breaks.

12.1.10. Adequate precautions should be taken to prevent a pile-driver from

overturning.

12.1.11. Adequate precautions should be taken, by providing stirrups or by other

effective means, to prevent the rope from coming out of the top pulley or wheel.

12.1.12. Adequate precautions should be taken to prevent the hammer from

missing the pile.

12.1.13. If necessary to prevent danger, long piles and heavy sheet piling should

be secured against falling.