Chapter 9: Conservation of concrete structures forms part of fib Model Code 2010, the first draft of which was published for comment as fib Bulletins 55 and 56 (fib 2010). Numerous comments were received and considered by fib Special Activity Group 5 responsible for the preparation of fib Model Code 2010. The final version of fib Model Code 2010 should be published in early 2012 (fib 2012). Chapter 9: Conservation of concrete structures is formulated so that it is consistent with the concepts and the overall philosophy adopted in the overall Model Code, which introduces a new integrated life cycle perspective upon the design of concrete structures. In this way, fib Model Code 2010 promotes an holistic approach for the design of structures based on defined performance requirements incorporating consideration of safety, serviceability, durability and sustainability. fib Model Code 2010 has adopted the service life design approach set out in the Model code for service life design (fib MC-SLD), as described in fib Bulletin 34 (fib 2006), as a rational basis for durability design. In addition to the purely technical design and construction issues, Model Code 2010 takes into account wider philosophical issues such as the through-life management, cost, environmental and societal impacts of concrete structures. To this end fib Model Code 2010 seeks to integrate issues relating to the design and construction of new structures with those required for the management of existing concrete structures. Accordingly Chapter 9: Conservation of Concrete Structures provides a basis for the implementation of through-life conservation and management strategies defined during design, but also processes by which the condition of existing concrete structures can be evaluated and interventions undertaken, as appropriate, to achieve or extend the service life of the concrete structures concerned. © 2012 Taylor & Francis Group.