You are on PERI's international website. Click here to switch to PERI USA. Click here to view all PERI websites.

Smithland Hydroelectric Power Plant, United States of America

Données des projets

Localisation: Smithland, États-Unis

  • Construction of a hydroelectric power plant with 3 horizontal bulb turbines and a total capacity of 72 MW
  • Reinforced concrete construction: 78 m long, 62 m wide, 32 m high
  • Massive component dimensions (slab thickness > 4.00 m)


  • Extremely tight construction schedule of 18 months, resulting in simultaneous realization of the three turbine tubes and other components
  • Massive components with long utilization period of formwork and scaffolding resulting in high material requirements (provision for some areas 100 %)
  • Very complex forms, in particular for the turbine tubes as well as the intake structure with varying cross-sections
  • Very strict guidelines regarding the dimensional accuracy


CJ Mahan Construction Company, Grove City, OH

Avantages pour le client

  • Saving of anchors through the use of the single-sided SCS climbing formwork
  • Optimal adjustment of the supporting structures for all areas due to the high degree of flexibility of the VARIOKIT system components - from the units to the heavy-duty shoring tower
  • Acceleration of the assembly and construction time on-site due to the pre-assembled formwork and scaffolding units
  • Highest dimensional accuracy of the concrete structure through stationary prefabrication of the 3D formwork units
  • Reduction of interfaces through the entire construction process thanks to formwork, scaffolding and engineering from one source
  • Continuous support provided for the construction management during the whole execution phase

Solution PERI

  • Development of a comprehensive concept for the formwork and scaffolding technology while taking into account all project requirements as well as budget and schedule considerations
  • 3D planning of multi-curved formwork units for the complex forming of the tubes for the turbines
  • Dimensionally accurate realization and delivery of the 3D formwork units
  • Delivery of the elements in pre-assembled units
  • Continuous coordination of all formwork and scaffolding processes through a PERI project manager on site