Kaiserstuhl power station New pressure pipeline construction

Project description:

  • Complete technical elaboration including design, static calculation, CAD shop drawings and bill of materials, as well as full object supervision
  • Material specification and procurement/production of pipes and special components
  • Complete interior corrosion protection both in-house and on-site

Technical data:

  • Bellmouth intake (3.40 x 3.40 m) tapering to circular profile DN 2400

Pressure pipeline of 954 m total length consisting of:

  • Steel pressure pipeline DN 2400; l = 210 m; t ≥ 15.0 mm
  • Pressure pipeline tapering from DN 2400 to DN 2000; l = 5 m; t ≥ 15.0 mm
  • Buried pressure pipeline DN 2200; l = 160 m; t ≥ 14.0 mm
  • Steel armouring in inclined shaft DN 2000; l = 160 m; t ≥ 16.0 mm; concrete backfill
  • Steel armouring in inclined penstock DN 2000; l = 245 m; t ≥ 16.0 mm, concrete backfill
  • Buried pressure pipeline DN 2000; l = 175 m; t ≥ 12.5 mm

Including elbows, expansions, manholes, screw connections and connection to existing pressure shaft armouring

  • Construction year(s) 2012
  • Owner Obwalden power station (EWO), 6064 Kerns, Switzerland