Sébastien Brun

Steel Construction Engineer


52 years old

Seniority : 7 years, associate


  • Steel construction
  • Composite Steel & Concrete structures
  • Strength of Materials
  • Steel roof coverings and wall sheeting
  • Lifting and handling

Member of APK, Association for the Promotion of “Steel Construction Teaching”


Postgraduate certificate DESS Building and Methods
Centre des Hautes Etudes du Métal (CHEM)

DEST Civil Engineering
Conservatoire National des Arts et Métiers (CNAM)

BTS Steel Structures
Brétigny sur Orge

Professional background

Castet et Fromaget Fayat Group
Design Engineer – Major Project Manager – Technical Manager

  • Airplane Hangar Airbus
  • Architectural structure with wide-span and cantilever
  • Reconstruction in steel of one terminal’s pier
  • Footbridges with wide-span and vibration dampers
  • Steel structure of one stadium for Euro 2016
  • Composite structures steel/concrete of high-rise building
  • Road bridge with double composite beams under the deck

Department of Steel Structures and Mechanical – Design Engineer

  • Industrial buildings for automotive
  • Rugby stadium
  • Museum

Key areas of expertise

Structural Steelwork

  • Flat roof structure collapses under rainwater accumulation loads
  • Collapse of a building after rehabilitation works
  • Damages during construction due to errors in the process
  • Various defects on overhead cranes supporting structures
  • Defects of grains silos
  • Structural steel construction companies claims against their engineering consultants
  • Damages related to errors in structural calculation
  • Damages on complex structure of one steel monumental staircase

Roofing and Cladding

  • Tearing of a canvas due to effects of snow
  • Defects on thermical insulature of roofing

Civil Engineering

  • Damages of mobile footbridge (lifting bridges)