 Okay, thank you. Yes, this is the starting Just to summarize we have three documents and The documents are not ready now we are still working on them and the second document as you may see is guide for practicing engineers and Who is a practicing engineer? This is the first question. So we have to address to practicing engineers Myself. I'm a practicing engineer. So I'm I in the beginning. So I was involved in this standardization working group 5 and I was very much interested. I have some experience for let's say Writing guidelines and so on but this is something which is a frustrating work I have to tell you because you have all these theoretical parts You have these examples which guide you and at the end you have to come up with something Written and we have 50 pages written and then you come you present the 50 pages and John will tell you this is not very well written and Sebastian will say something else is not very well written and Michael Faber might also comment and Helder might also comment and the bad thing is you go home and you think and you also comment You go home and you think and you realize that they were right So you have to rewrite it again and this is a little bit You know, this is for guidelines and so on. This is and for practicing engineers is not let's say always Very Attractive work, but it is Important probably for the project. We started three persons, but as I said There are also other colleagues contributing with comments and discussions So my colleague Mira Xicora from the Czech Technical University. He is not here, but Helder is here So the index first just to see what it is included here in the presentation Some contents of this guidelines some selected topics a short discussion and conclusions The scope is to introduce there is a new term, which is not a new term, but we use the term now structural health Information which is including the information from structural health monitoring But structural health information can include also let's say loads you measure the loads which Influence the structural health of your structure. We use it as a broad term, which means we we include Not only monitoring because if you go in other standards like FIB and so on you may find information About non-destructive and distract destructive testing and now they are putting also structural health monitoring we The description of the design process is important a support for the selection of the structural health Monitoring strategy as we have seen before so you have all these theoretical parts Which you have to write down in some understandable and attractive way, which is I have to say not very easy integration into a state of practice and Then the impact on standardization, which I will show you at the end So the applications for for what kind of problems is that? Let's say representative for new structures, especially innovative Designs where the knowledge as we have seen before is not let's say always Standardized you cannot standardize all knowledge This is also one point which has not been said here because we should not expect to have standards for everything Then for existing structures, it was also mentioned before we have frequently the problem of for example the of lifetime extension and For type specific population of structures when I was working for example in Italy We had several platforms in Africa and the Gulf of Guinea for Ajip and we have to select which platforms and which joints to inspect So this is because they were similar Jacket structures and you cannot inspect everything Therefore I put that as an example, but you may have also other examples like bridges and so on So this is similar to what it is done in the United States We can have types of monitoring spot monitoring We should cover periodic monitoring which can be frequent or triggered monitoring and permanent monitoring So it's very general. It's material independent the contents of this. Let's say Guideline it's a guideline. It's not a standard So if you have these pages, you should not expect that everybody can immediately start calculating It's a guideline. So one should be very careful The glossary is important as we had before so to the definitions and we have also in the web page Definitions and we try to be consistent the scope the decision process The information which you collect about your structure about your asset the strategies the structural performance modeling Including the indicators the intervention actions and the safety measures Life cycle cost modeling is covered and decision and value of the structural health information analysis so You have several let's say Influencing Fields like your system where you have the decision maker the prior knowledge and so on the regulations the constraints the observation the indicators of your performance, which can be different and Then you have to take Decisions related to inspection strengthening use or do even do nothing in the Kate the in some cases So if you look at some decision tree analysis, you have the planned investigations You can have you have a random outcome. So You you have let's say probabilities of exceeding in an example a certain threshold level then you have the decisions to be taken for example safety measures cleaning the roof in case of snow load or Strengthening a timber beam beam and so on and you have the outcome and at the end you have your utility Other important selected topics which are covered are the asset and portfolio information So which standards which codes have been used? What is your structural typology environmental geotechnical data other documentation? cost data are important in order to calculate costs of Interventions and of course costs failure cause what can happen if in case you have Partial or total failure of your structure. For example, it can affect also the whole system If a bridge closes, then you have extreme consequences due to detouring and using alternative ways of transportation Performance indicators you can classify them according to another also project the one four zero Six I think on bridges at the CIS at the at the network level at the structural level system of components or at the level of a structural component So this is a performance indicator, which is let's say depending on what kind of level in your System you are looking at For example, you can have as an indicator. You can have as an indicator You can have a certain snow load. Yeah, if it reaches a certain level Then you can consider to take some actions. Let's say clean the roof But you can go even further. You can have a deflection, which is Directly can be measured, but you can have indirect. Let's say Indicators, which are not directly measured. So you have the model Let's say the relation error there between the Measured parameter and the indicator, but you cannot go even even further You can have as a performance indicator of the reliability of the member or you can have also risk as a performance indicator if you include Consequences in case of failure and you can monetize everything you can put some value of your consequences and Then other topics which are selected are the strategies the parameter to be measured The sensitivity or reliability of your monitoring system because you can have uncertainties there the cost of monitoring A typical very simple example is that with a stadium roof where as Jochen mentioned before you can have three different Alternatives with different costs and of course different uncertainties Intervention actions are also described from doing nothing to operational measures provide optimal inspection and maintenance plan Decrease exposure you can limit the number of persons at risk or you can limit in a building The live load but especially typical example is a bridge where Heavy vehicles cannot pass you can reduce the loads as I said before you can use the structure under constraint For example, if you have strong winds You don't use the cable car When you go to Cape Town and you go to the Table Mountain your chances are 50 50 to go up to the Table Mountain You can provide additional safety measures protection measures and so on so we provide how to select them based on cost-benefit considerations You can reduce the remaining working life and reassess and so on so you can have also structural interventions I repair and upgrade your structure Some discussions here about the costs we have the cost of the structural health monitoring system the total life cycle cost the cost of actions which are triggered if you have a threshold level which is let's say Reached and the cost of consequences of failure which as we discussed before you have human You have economic and you of course might have environmental like oil spill and they have We discussed that also in Lisbon. We have monetary terms and they must be discounted The value of information you have the expected value of information based on expected value of Total life cycle cost without using structural health monitoring system and with using the structural health monitoring system So you have the direct relation to the costs We hope that these guidelines all these three will have some impact already an impact has started With the working group to they will be included a monitoring will be included in The euro codes for existing structure at least in the first discussion in the meeting. We have pointed that out We have other Model codes like the FIB model codes where we also think that an impact will be there The impact will be also in high failure consequences structures like stadium congress halls bridges structures in the energy power industry Maybe but in under design structures existing structures using all codes novel structures and especially structures with high heritage value The conclusion is we have a preparation of a guideline documents with terminology and compatible flow charts The development has been done through interaction with other working groups and especially by studying the case studies and Looking at the methodologies We had the specific meetings and workshops within our working group We are focusing on quantification of information and on decision strategies Cost versus benefit and decision of intervention actions are highlighted And especially we try we are trying to use a language which is attractive for the practicing engineer to Make him Interested that he will use further tools In that case or in his specific case Okay, Jochen mentioned some publications which are related to the case study, but in the framework of this guideline Outreach is important. We discussed that. I think Outreach especially in consultancy cases in committee work, but especially in the education of young engineers and young students not at the PhD level as I emphasized before but even at an earlier stage Is according to me Important so I close the presentation. This is the city where I teach. This is Regensburg This is a very a Flooded level of the stone bridge 800 years old with restricted Traffic and permanently monitor and this is during the night at the calm water water level Let's put it like that. Thank you very much for your attention