– Chairman Belgian Commission “MASONRY” in the frame of (BIN) Belgian Standard Institution.
– Belgian representant in the European Standards – EUROCODE 6 – MASONRY
– Member of the Belgian shadow commission of the European Standards– Eurocodes
– Member of the Commission for Standards EUROCODE 8 – EARTHQUAKES
– European Comittee of Concrete (Comité Européen du Beton C.E.B.) –
Coordinator in the commission: deformations and their pathological
consequences

– Conseil Internationale du Batiment (CIB) – Commission CIB W 23 A : Calculation and Execution of Masonry – Wall Structures.
– Conseil Internationale du Batiment (CIB) – Commission CIB W 85 : Structural serviciability.

– Planning and design of tall buildings (U.S.A.) : coordinator in the commission « Masonry »
– Coordinator of the national commission : « Cracks in masonry » (representants of the industry, universities, SECO – control office …)
– Coordinator of the national commission: “deformations admissible in buildings” (representants of the industry, universities, SECO – control office …)

– Coordinator of the national commission : “Reinforced Masonry”
– Member of the commision about “Precast Floors” (representants of the industry, universities, SECO – control office …)
– Coordinator of the national commission: “Recommendation for the Execution of Masonry” (representants of the industry, universities, SECO – control office …)
– In the frame of the Belgian Institute for Normalisation (B.I.N.):
• Coordinator for the norm NBN B24-401: Execution of masonry
• Member of the norm NBN B24-301: Calculation of masonry
• Advisor of the commission NBN B15: prescriptions for reinforced concrete
• Member commission NBN B03 003: Deformations of bearing systems
• Deleguated by the Belgian National Institute (BIN) to follow up the works of the NNI (Dutch Standards) concerning masonry.

– Member of the commission specifications for private works (architects, W.T.C.B., SECO, …)
– In the frame of IC-IB (Industrialisation of the buildingindustry) “prescriptions of constructive demands (Performance).
– National federation of builders (Paris – France) : Reinforced Masonry in horizontal joints – New French prescriptions for reinforced masonry.