Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 General framework of assessment
4.1 Objectives
4.2 Procedure
4.3 Specification of the assessment objectives
4.4 Scenario
4.5 Preliminary assessment
4.5.1 Study of documents and other evidence
4.5.2 Preliminary inspection
4.5.3 Preliminary checks
4.5.4 Decisions on immediate actions
4.5.5 Recommendations for detailed assessment
4.6 Detailed assessment
4.6.1 Detailed documentary search and review
4.6.2 Detailed inspection and material testing
4.6.3 Determination of action
4.6.4 Determination of properties of the structures
4.6.5 Structural analysis
4.6.6 Verification
4.7 Results of assessment
4.7.1 Report
4.7.2 Conceptual design of construction interventions
4.7.3 Control of risk
5 Data for assessment
5.1 General
5.2 Actions and environmental influences
5.2.1 Actions
5.2.2 Environmental influences
5.2.3 Original drawings and design specifications
5.2.4 Inspection
5.2.4 Site specific data
5.3 Material properties
5.3.1 Actual material properties
5.3.2 Original drawings and design specifications
5.3.3 Material testing
5.3.4 Sampling and testing procedure
5.3.5 Analysis of test results
5.4 Properties of the structure
5.4.1 Testing for static and dynamic properties of
structure
5.4.2 Geotechnical investigation
5.5 Dimensions
5.5.1 Actual dimensions
5.5.2 Determination of dimensions
6 Structural analysis
6.1 Models
6.2 Limit states
6.3 Basic variables
6.4 Model uncertainties
6.5 Conversion factors
6.6 Uncertainty about the condition of components
6.7 Deterioration models
7 Verification
7.1 Bases
7.2 Reliability assessment
7.3 Limit states
7.4 Plausibility check
7.5 Target reliability level
8 Assessment based on satisfactory past performance
8.1 Assessment of safety
8.2 Assessment of serviceability
9 Interventions
10 Report
10.1 General
10.2 Conclusions
10.3 Sufficient reliability
10.4 Insufficient reliability
10.5 Recommendations for interventions
10.6 Inspection and maintenance plan
10.7 Documented information
10.8 Reporting style
11 Judgement and decision
11.1 Decision
Annex A (informative) - Hierarchy of terms
Annex B (informative) - General flow of assessment of
existing structures
Annex C (informative) - Updating of measured quantities
C.1 Types of inspection
C.2 Evaluation of inspection results
C.3 Example
Annex D (informative) - Testing for static and dynamic
properties of structures
D.1 Objectives
D.2 Test planning
D.3 Evaluation of test results
D.4 Report
Annex E (informative) - Assessment of time-dependent
reliability
E.1 Introduction
E.2 Terms and definitions
E.3 Strength characteristics varying slowly in time
E.4 Strength characteristics varying rapidly with time
Annex F (informative) - Target reliability level
F.1 General
F.2 Reliability requirements
Annex G (informative) - Report format
G.1 Title page
G.2 Name of engineer and/or firm
G.3 Synopsis
G.4 Table of contents
G.5 Scope of assessment
G.6 Description of the structure
G.7 Investigation
G.8 Analysis
G.9 Verification
G.10 Discussion of evidence
G.11 Review of intervention options
G.12 Conclusions and recommendations
G.13 Annexes
Annex H (informative) - Design of upgrading
H.1 Reasons for upgrading
H.2 Methods of upgrading
H.3 Design of upgrading
H.4 Planning, phasing and control of upgrading works
H.5 Other considerations
Annex I (informative) - Heritage structures
I.1 Introduction
I.2 Fundamentals
I.3 Terms and definitions
I.4 General framework of assessment
I.5 Data for assessment
I.6 Structural analysis
I.7 Verification
I.8 Assessment based on satisfactory past performance
I.9 Interventions
I.10 Report
Bibliography