Compaction Germany In early June 2016, Cofra BV, completed the compaction of 3.000m2 located within a housing area in Kassel (Germany). The required compaction was achieved using the our 16 tonne CDC hammer attached to a Caterpillar 385. LinkedinTwitteremailFacebook See more Prev:Cofra passes the 10 million meter mark on the N23 Westfrisiaweg! Back: All Posts Next:Vertical drainage Germany