This European Standard specifies the terminology, requirements, basic performance criteria, test methods and evaluation of conformity that will be referred to by specific product standards unless they are not appropriate. It may also be used to specify products for which there is no standard. Not all of the requirements (clause 4) of this standard are relevant to all precast products. If a specific precast concrete product standard exists it takes precedence over this standard. The precast products dealt with in this standard are factory produced for buildings and civil engineering works. This standard may also be applied to products manufactured in temporary plants on site if the production is protected against adverse weather conditions and controlled following clause 6 provisions. The analysis and design of precast concrete products is not within the scope of this standard but it does offer information about : - the choice of partial safety factors defined by the Eurocode; - the rules for applying calculations to high strength concrete ; - the definition of requirements for prestressed concrete products. This standard applies to concrete compacted so as to retain no appreciable amount of entrapped air other than entrained air and with a dry density equal to or greater than 800 kg/m3.