Technical Control Bureau for Construction SECONED Technical Inspection Service AON Nazomermiddag 08 sept Delft

Technical Control Bureau for Construction General situation of the construction sector: Non quality Failures and damages Direct and indirect costs Design & works period cuts Modifications & adaptations Black box calculations Subdivision of the works & lack of global approach Structures & codes complexity Coordination & communication default First price & far after quality : short time view

Technical Control Bureau for Construction Origin of the damages

Technical Control Bureau for Construction Failure & damages : From watertightness to stability, across infrastructure or superstructure, soil conditions, phasing or structure assembly... Cost of the non-quality 10-15% of the global investment ! (Based on European studies)

Technical Control Bureau for Construction Some examples :

Technical Control Bureau for Construction Some examples :

Technical Control Bureau for Construction How to reduce failures and damages? How to manage these risks ? Commissie Dekker:

Technical Control Bureau for Construction How to reduce failures and damages? How to manage these risks ? Commissie Dekker: CUR Commissie:

Technical Control Bureau for Construction How to reduce failures and damages? How to manage these risks ? Commissie Dekker: CUR Commissie: Neprom:

Technical Control Bureau for Construction How to reduce failures and damages? How to manage these risks ? The sector The builders, public and private owners (Engineers, Architects, Contractors) are looking for more confidence (an insurance) The insurance Requirement of a second opinion. Aim  Reduce failures and damages by a global prevention action  Design, calculations  Execution, materials

Technical Control Bureau for Construction SECO Founded in 1934 by the sector as : –Cooperative association –Independent technical board –Independent third party –Recognized by the (Re) Insurance companies Belgian leader also active in more than 20 countries More than 3 billions EUR of current works supervised Turnover : 22 millions EUR 500 to 700 new projects per year (about projects) 200 persons (160 engineers)

Technical Control Bureau for Construction A preventive technical supervision Concept and design Basic principles (soil and subsoil analysis, choice of foundations, stability...) Tender documents Detailed drawings Parallel calculations performed by SECO Execution on site and in workshops Regular visits Critical phases Quality of the materials Voluntary certification Inspection in factories

Technical Control Bureau for Construction Reduction of technical risks Some examples Railway Station: Communication

Technical Control Bureau for Construction Reduction of technical risks Some examples Bridge: Calculations

Technical Control Bureau for Construction Reduction of technical risks Some examples Tunnel: Execution

Technical Control Bureau for Construction Reduction of technical risks Some examples Building: Design

Technical Control Bureau for Construction Reduction of technical risks Some examples Bridge: Design - joints

Technical Control Bureau for Construction Reduction of technical risks Some examples Tunnel DesignExecution

Technical Control Bureau for Construction Reduction of technical risks Some examples Renovation

Technical Control Bureau for Construction Reduction of technical risks Some examples Buildings - Steel Structures

Technical Control Bureau for Construction Philosophy and methodology of SECO Not compulsory in the Netherlands  importance of a real adapted service: “Think and bring added value for the client; give confidence” Financial & technical independence Very high level specialists with large experience Team work for each project Risk analysis & quick Scan: critical points identification and strength on project weakness, prevent the repetition of similar errors Efficiency based on internal knowledge analysis and large experience (Expert System, sharing of know-how) “Problem solvers” spirit

Technical Control Bureau for Construction Our services Two main sectors of activities Buildings Main fabric Shell and finishing works Light facades and external joinery Timber and steel structures Technical installations Sustainable construction : support and assessment Valideo and Breeam Civil Engineering Bridges and viaducts Towers, chimneys, pylons Tunnels Roads and runways Ports and quay walls Water treatment plants and sewage networks Landfills

Technical Control Bureau for Construction The Inherent Defects Insurance (10 years) Who Constructors (Contractors & sub contractors), Architects, Consulting Engineers, Developers About Buildings and Civil engineering works Cover Structures (stability) & Majors parts (roofs, facades,...)

Technical Control Bureau for Construction The Inherent Defects Insurance (10 years) implemented in the Netherlands Cover  material damages to the works (structure & major parts)  damages causes to third parties  possible extension to finishing works & services Collective insurance policy : no recourse against faulty parties Linked to the works, not the insured parties (one premium) Voluntary system (add value essential)

Technical Control Bureau for Construction Ir. Wim Hoppenbrouwers SECONED B.V. Mathenessestraat EA Breda Postbus EW Breda T +31 (0) F +31 (0)