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Diapragm Wall Casting

  
  HSBC Republic Bank Building, 37 Quai Wilson, Geneva Switzerland, 1998
  
  Overview
Construction of Three basement levels underneath an existing, historic lakefront building in Geneva, Switzerland, meanwhile leaving existing building intact (2.8 meter existing ceiling height)

  
 
 
  Type of Work Mandated Contract Amount Duration of Project  
Micropiling building support
Diaphragm wall casting

 $3,000,000 9 Months


  
 
 
  Client Civil Engineer General Contractor
  
  HSBC Republic Bank (Suisse) SA
Geneva, Switzerland

Karakas & Français SA
Av. des Boveresses44
1010 Lausanne, Switzerland

 Association d’Entreprises
Astié & Fils SA - Losinger
Constructions SA - Forasol SA

  
         
  Principal Quantities
  
 
  Diaphragm wall 2,500 m2, 60cm thickness,
depth 25 meters
140 Micropilings, load bearing at 500 to 700 kN,
borings 220mm diameter, steel tube reinforcement,
depth 28 meters




 Boissieres Project
Quai Wilson Bank in Geneve 		 
  Soil Type
Silty sands and gravel, below the groundwater level
   
 
     
    Boissieres Project
Expansion of existing structures 		Boissieres Project
Quai Wilson, basement levels 		 
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