Cofra and Geotechnics have delivered 1,200,000m1 PVD for the Osaka aiport expansion project in 1992. Â Â Related projects Filter projects (77) Sort by... Relevance Alphabet Sort by... Relevance Alphabet PVD installation for housing development Frankfield Loch Cofra Ltd has installed 42,000m1 of vertical drains for a housing development in 2014. In this particular case, special predrilling equipment was required to penetrate dense coarse layers on top of soft clay deposits. Read more PVD installation for road embankments of Gort - Tuam connection Cofra Ltd installed 700,000m1 of vertical drains for the Gort Tuam road embankments in 2015. Read more PVD installation for Littleport school Cofra Ltd installed 162,000m1 for the consolidation of the area around the Littleport school in 2015. Read more PVD installation for a road embankment in Ince Marshes Cofra Ltd installed 40,000m1 of vertical drain for the consolidation beneath a road embankment in 2016. Read more PVD installation for Perth A9 A85 Junction Cofra Ltd installed 363,000m1 of vertical drains on the new junction of the A9 and A85 in 2016. Read more PVD installation for Dalton lane, Thirsk Cofra Ltd installed 65,000m1 of vertical drains for the Dalton Lane in 2017. Read more Previous 10 11 12 13 Next Read more Read more