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Nootdorp, skidding tunnel under A12 highway

General information

During the weekend closure of 18th and June 19th, 2011 CT deBoer bv skidded a tunnel of 2000 tons (40 × 9 m) underneath the A12 highway close to Nootdorp in one go. Start time digging: Friday 21.30. A12 reopens: Monday 5:00 o clock.

Involved parties

Client: ProRail

General contractor: Gebr. de Koning

Numbers / technique used:

– Tunnel mass: 2100 tons

– Skidding distance: 50 meters


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