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Table 1: Placement and compaction requirements

* Compacted adding 200 litre of water per m3 of material
** Material 2 was designed according to Sherard criteria. It was also considered that it would serve like a filter of material 1B and 2F
*** The specifications also took account of the empiric approach of JB Cooke (1984, 1998 and 2002)

Zone Layer (m) Type of roller No of passes
1B 0.3 Compacted by Dozer NA
2F 0.3 10.6 Ton VR 6
2** 0.3 10.6 Ton VR 8
3A 0.3 10.6 Ton VR 8
3B** 0.8 12.2 Ton VR 6
T* 1 12.2 Ton VR 6
3C* 1.4 12.2 Ton VR 6
3H 0.4 Compacted by Dozer N/A
4 N/A Placed by backhoe N/A