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| Retaining Walls |
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| Road
Trench, Collombey, 1999 - 2000 |
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| Overview Construction of Subterranean Road Trench for Approach to Collombey Tunnel, Collombey Switzerland |
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| Type of Work Mandated | Contract Amount | Duration of Project | ||
| Sheet
Steel Retaining Wall Anchor Tiebacks |
$1,700,000 | 8
Months |
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| Client | Civil Engineer | General Contractor |
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| Department
of Transport, Equipment and the Environment Canton of Valais, Switzerland |
Karakas
& Français SA Av. des Boveresses44 1010 Lausanne, Switzerland |
Billieux SA Martigny and Evêquoz SA Conthey, Switzerland |
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| Principal
Quantities |
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| Sheet
Steel Retaining Wall 470 anchors at 900kN 8-9m free tendon length, 6m sealing length 8 anchors per day (150m) realized |
 Subterranean Road Trench |
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| Soil
Type Fine silty sand, below the groundwater level |
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 Subterranean Road Trench |
 Subterranean Road Trench |
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