This document describes general requirements and procedures for the assessment of concrete structures.

The assessment can be initiated under the following circumstances, but not limited to:

a)      

an anticipated change in use or extension of design service life;

b)      

structural deterioration due to time-dependent actions such as corrosion of reinforcement, fatigue, etc.;

c)       

safety and/or serviceability check (e.g. for earthquake and increased traffic actions) as required by authorities, insurance companies, owners, etc.;

d)      

structural damage by accidental actions (see ISO 2394).

This document does not cover

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qualification of personnel;

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contractual matters;

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health and safety requirements for the protection of workers during the investigation and testing.