Annex C

(informative)

Degree of obligation of the specifications

The provisions are marked corresponding to their degree of obligation:

– (REQ) : Requirement;

– (REC) : Recommendation;

– (PER) : Permission;

– (ST) : Statement.

4.1 (REQ) 6.3.2.2 (REC) 6.3.9.2 (ST) 6.4.8 (REC) 8.3.3 (REC)
4.2 (REQ) 6.3.3.1 (REQ) 6.3.9.3 (REC) 6.4.9 (ST) 8.3.4 (REQ)
4.3 (REQ) 6.3.3.2 (REC) 6.3.9.4 (REC) 6.4.10 (REQ) 8.3.5 (REQ)
4.4 (REQ) 6.3.3.3 (REQ) 6.3.10.1 (REQ) 6.5.1 (ST) 8.3.6 (REQ)
4.5 (REQ) 6.3.4.1 (REQ) 6.3.10.2 (REQ) 6.5.2 (REC) 8.3.7 (REC)
4.6 (REQ) 6.3.4.2 (REC) 6.4.1.1 (ST) 6.5.3 (REC) 8.3.8 (REC)
5.1.1 (REQ) 6.3.4.3 (REC) 6.4.1.2 (REQ) 6.5.4 (REQ) 8.3.9 (REQ)
5.1.2 (REQ) 6.3.4.4 (REQ) 6.4.2.1 (REC) 7.1.1 (ST) 8.4.1 (REC)
5.1.3 (REC) 6.3.5.1 (ST) 6.4.3.1 (REQ) 7.1.2 (REC) 8.4.2 (REQ)
5.2.1 (REQ) 6.3.5.2 (ST) 6.4.3.2 (REC) 7.1.3 (ST) 8.4.3 (REC)
5.2.2 (REQ) 6.3.5.3 (REQ) 6.4.3.3 (REQ) 7.1.4 (REC) 8.4.4 (REQ)
5.2.3 (REC) 6.3.5.4 (REC) 6.4.4.1 (REQ) 8.1.1 (REQ) 8.4.5 (REQ)
6.1.1 (ST) 6.3.5.5 (REC) 6.4.4.2 (REC) 8.1.2 (REQ) 9.1.1 (REQ)
6.1.2 (REQ) 6.3.5.6 (REC) 6.4.4.3 (REQ) 8.1.3 (REQ) 9.1.2 (REQ)
6.2.1 (ST) 6.3.5.7 (REC) 6.4.5.1 (ST) 8.1.4 (REC) 9.1.3 (REQ)
6.2.2 (ST) 6.3.6.1 (REC) 6.4.5.2 (REQ) 8.2.1 (REQ) 9.1.4 (REC)
6.2.3 (PER) 6.3.6.2 (REC) 6.4.5.3 (REQ) 8.2.2 (REQ) 9.1.5 (REQ)
6.2.4 (REQ) 6.3.6.3 (REQ) 6.4.6.1 (REC) 8.2.3 (REC) 9.2.1 (REQ)
6.2.5 (ST) 6.3.6.4 (REQ) 6.4.6.2 (REC) 8.2.4 (REC) 9.2.2 (REC)
6.3.1.1 (ST) 6.3.7.1 (REQ) 6.4.6.3 (REQ) 8.2.5 (REC) 9.2.3 (REQ)
6.3.1.2 (REC) 6.3.7.2 (REC) 6.4.6.4 (REQ) 8.2.6 (REC) 9.2.4 (REQ)
6.3.1.3 (REQ) 6.3.8.1 (REC) 6.4.7.1 (REQ) 8.3.1 (REQ) 9.2.5 (REC)
6.3.2.1 (REC) 6.3.9.1 (REQ) 6.4.7.2 (REC) 8.3.2 (REQ) 9.2.6 (REQ)

The provisions are marked corresponding to their degree of obligation:

(REQ) : Requirement;

(REC) : Recommendation;

(PER) : Permission;

– (ST) : Statement.

9.2.7 (REC) 11.1.1 (ST) 11.2.2 (REC) 11.3.1 (REQ)
9.2.8 (REC) 11.1.2 (REQ) 11.2.3 (REQ) 11.3.2 (REQ)
9.2.9 (REC) 11.1.3 (REQ) 11.2.4 (REC) 11.3.3 (REQ)
10.1 (REQ) 11.2.1 (REQ) 11.2.5 (REC) 11.4 (REC)
10.2 (REQ)      

EN 15237:2007 Execution of special geotechnical works — Vertical drainage