• Membrane structures, mechanically or pneumatically prestressed.
  • Parametric studies of challenging steel structures, building envelopes and canopies.
  • We have experience designing in Europe, North America, Arabian Peninsula.
  • We are used to all phases of project development – from initial sketches, through thorough static calculations and all the way to generating cutting patterns of membrane surfaces.
  • We believe the most efficient use of today’s powerful IT lies in concept design.


  • Every person is a valued member of our team, encouraged to contribute and recognized for their efforts. Our clients are part of our team.
  • We play honest and hold ourselves accountable.
  • We listen and we learn. We are driven to constantly improve.
  • We are passionate about the work we do.
  • We hire great people and give them the freedom to innovate and be awesome.


  • Ing. Jiří Vraj, Ingénieur diplômé (ENPC)
  • CEO of bpl-česko s.r.o.
  • Bridge engineer by his diploma, however already during his master studies in Paris he focused primarily on parametric modelling and optimization of complex envelopes and structures. Engineering of membrane structures of all kinds was only a logical extension of this focus. In 2019 together with American partners, he co-founded bpl-česko s.r.o.
  • Ing. Boris Navrátil, PE in Czech Republic
  • Partner - bpl-česko s.r.o.
  • After his studies, he started out as an engineer of steel structures for energy industry worldwide (e.g. Chile, Vietnam, Poland). After that he broadened his portfolio by concrete and timber design, including mass timber and cross-laminated timber (CLT). Throughout his career, Boris gained experience in structural assessment and conversions of historical buildings - particularly in Prague, Czech Republic.
  • Prof.-Ing. Florian Weininger
  • Partner – Bennett&Pless Leicht LLC
  • Florian is a building envelope specialist, internationally recognized for his expertise in the design of ETFE structures. He is sought after by some of the most pre-eminent architects in the world to consult on achieving their vision utilizing ETFE. Florian is also applying his structural engineering background to the design of a broad range of facades.
  • Christopher Norris, P. Eng., PE, LEED AP
  • Partner – Bennett&Pless Leicht LLC
  • Chris is a building envelope specialist and structural engineer with over 20 years of experience providing enclosure expertise for a wide variety of project types throughout North America. His expertise includes a broad range of exterior cladding, fenestration, roofing, and waterproofing systems. He brings a comprehensive and practical approach to building enclosure design and consultation to ensure constructability and integrity of the enclosure.
  • Edward A. Gazzola, M. Eng., P. Eng., PE
  • Partner – Bennett&Pless Leicht LLC
  • Ed is a building envelope specialist and a recognized leader in masonry wall system design and performance. He also has over 30 years of structural engineering experience on a broad variety of structures and utilizes this expertise in the design of various facades. Ed acts as the lead Project Manager on complex façade projects for the North America region.


ikona-spolecnostbpl-česko s.r.o.
VAT No CZ08427623
managing director
Ing. Jiří Vraj
ikona-telefon+420 733 151 170
ikona-adresa U Elektrárny 12
České Budějovice

Wuchterlova 566/7
Praha 6

Czech Republic