The Best Rebar Detailing Tools for Revit

JOSEPH PAIS: OK, it's time to start. Hello, everybody. I am Joseph. So as you can see, there is two names. So it was plan for me to share this class presentation with a colleague from GRAITEC UK. Unfortunately, he is sick. So twelve hours ago, he told me that he took a slice of pizza over the lunch break and it killed him, so he's dying in his room, so I will try to cover his parts as best as I can. So please be kind with me. If you see some wrong things on screen, OK, be cool.

OK. So welcome to this class. The subject, the Rebar detailing in Revit, and we'll see how you can pull up a Revit for your daily Rebar projects you have to do. OK, so of course I will not introduce my colleague because he is not there. So I will introduce myself. So my name is Joseph Pais, I'm coming from France. Maybe you can guess it with my English spelling. I'm product director, so my background is civil engineer.

I'm working for GRAITEC a bit more than 20 years, so I spend my time through different jobs. Pre-sales engineers, doing demos, trainings, projects for our customers, product manager, and now I'm the product director for the whole group with the responsibility of all GRAITEC tech internal products.

So what's the summary of this class? So first, I will speak about GRAITEC-- don't worry, one minute, two minutes, not more. And then after, we will go through different subjects around the Rebar, so we'll take a quick overview of the Revit tools very, very quick, because I assume that several people in this room knows the Revit native tools to enter Rebar.

And then we will see the GRAITEC tools, how we can power up Revit for Rebar detailing and design, and then at the end, we will finish with a quick overview of what we can do with the Rebar that we store in rivets, how we can extract these Rebar to monitor a Rebar project. Here are the learning objectives you have in the handout. So the four key learning objectives.

The first one to generate and detail parametric 3D Rebar cages in few clicks, saving time and generating Rebar schedules bending details. Again, to try to do it as fast as possible. Then, we will see in the third learning objective, how we can automate more degeneration of the Rebar in Revit. And at the end, extract these data to get some quantity takeoff some analytics on the Rebar project.

OK, so just few words GRAITEC, who we are. So GRAITEC is a software company created in 1986, so more than 30 years ago. We are developing software, we are developing our own softwares, and also developing add-ons in the Autodesk ecosystem. So we are the historical developer of Advanced Concrete and Advanced Steel, I don't know if some of you heard about those softwares. So we have developed those two softwares that we are bought by Autodesk in 2013. And now, Autodesk still propose Autodesk Advanced Steel in the AEC collection.

So we are a big-- one of the largest Autodesk partners in the world. We have 30 offices worldwide. Mainly in Europe. I will show you the map just after-- mainly in Europe, and North America, we are not working in Asia for the moment. So I say that GRAITEC was created in 1986, and now we have over a bit more than 500 people in the company. With a big part of those peoples able to provide consultancy services for the customers. OK. That's the global view where we have some offices around the world.

Now, about the Revit native Rebar tools, sorry. You all know that it's good to just remind it because it's really the basis of what I will show you after. So what is Rebar? What is a Rebar objects in Revit? So you place a Rebar in Revit, and the Rebar is hosted by an element, and can be defined with constraints regarding the hosting elements.

So when you define Rebar in Revit, you have to define the shape. So you select the code shape you want to apply, and then you have two subfamilies, one for the diameters and one for the hooks. So that is the bases in Revit and then you start with those objects. And you start to place them in the model. As you know, you create 2D views, elevations, sections. You start to place the bars inside, and you distribute the bars. And at the end, you get a 3D model.

So it works, but this way of working, and also if we try to have a more global view, OK so we start from a 3D Revit model, we want to reinforce just a simple footing so we have to create views, so we have to do with defined sections, elevations, then we have to place the bars inside the views, more or less easily. And then, we get the 3D Rebar cage, and at the end, we can create a drawing sheet place their, views, schedules, and so on. So it's possible, but it's quite time consuming.

And at the end, we can do about all things with Revit, but the main question is how much time it takes to create such a drawing? OK, so now, the idea is to see, OK, how we can go faster? How we can improve our way of handling Rebar in Revit? So GRAITEC is proposing design and detailing tools, so I will explain now why we say design and detailing.

The name of the software we propose is called BIM designers, advance BIM designers, OK. Let's not speak about the name, and what are the BIM designers? The BIM designers is a suite of beam tools dedicated to a structural element. So we have BIM designer modules to design a beam, a concrete beam, or concrete footing, a wall, a slab, but also steel connections, structural steel elements, but so today, of course, in this session, we focus about concrete.

So what is the power of the beam design of technology? First, all those modules are Multiple BIM environment. It means that if we take, for example, the reinforced column module, the module can run as a standalone application. OK, so it's a 2D application, you define the geometry, the roads, and you run the calculation, you get the 3D Rebar with all the design reports, and so on. But can work can run also on top of Revit, that's the subject today.

On top of advanced design, so I will not talk about advanced design, that's not the subject of the class today, but advance design is the firm software developed by GRAITEC, and also, as I told you, we have some steel beam design modules that can run on top of Advanced Steel, and soon, we hope on top of Revit.

So today, we will focus obviously on Rebar, on the concrete parts. And the idea that the objective of those BIM design modules is to-- there is a problem with the animation, I think, it doesn't matter-- is to design the reinforced concrete members. To detail them, to document, sorry, because there is a mess up in the pictures, to document. So it means that when you design an element, you create a Rebar to justify the results, and to track the changes, obviously, but that's not a rated behavior because as soon as you make a change, there is a real time updates.

OK, now, let's go deeper and talk about the detailing tools because I told you the BIM designers are providing design and detailing tools. So detailing tools are, in a ribbon, so you will see in the live demo, when you install the software, you have a ribbon with a set of functionalities, which are there to help the daily job of the Rebar detail. So here we don't speak at all about a reinforced concrete design, just about detailing, so we will offer some tools like parametric Rebar cages to define with few parameters the 3D Rebar cage of a beam, a column, footing.

Functions like copy Rebar to quickly copy a 3D Rebar cage from an element to another element in Revit. Also, a tool to manage the transversal distribution in the BIM with the possibility to define save all series in one dialogue. The objective is always the same, saving time. We also have tools to create details. Bending details. Either bending details in the views, as we can see here on the right of the screen, or bending details in the schedules.

So we have those tools that can be used in any kind of Rebar objects in Revit. So now let me show you how it works. So I apologize, I will sit down because it's easier to manipulate. OK, so we switch Revit model, and now for the moment, I will only speak about detailing. So the first thing you can do, so if I'm going to this floor, I want to create, to generate some rebound objects on these columns, for example, here.

So you select the elements, and as I told you, when you install the BIM designers, you have a ribbon there. Well you have all the functionalities means, functionalities to design the members, most of the time, for an experience detail of an engineer who is able to design the members. And on the right, you have some tools dedicated to the detailing, so we can manage the Rebar visibility going quickly to display Rebar without going to the filters in Revit.

We have tools for the transversal distributions. Here you have tools where you can manage the Rebar sets, so you can explode a Rebar set, you can split a Rebar set, you can isolate, for example, a stirrup from a set of stirrups. Or you can, in the opposite way, recompose a Rebar set from several single bars. We have also tools to copy the Rebars, as you can see here, tools to extend the Rebar to face when you added pressure on the beam, or you have a valuable section, or type of beam, for example, to cut around openings in a beam in a wall.

So we have different sets of detailing tools, also a tool to assign to sheet some bounds to renumber the bars or to select bars, their number, category, so to grow the reinforcement, the Rebar project. So that's daily small functions to save time on doing Rebar. So now, if I'm coming back to this column, I want to reinforce the column, so here, I can call with that where you see a dialogue to define the parametric bars. Without these contextual, it means that if I select a beam, I will get a different dialogue with more parameters.

Obviously, for a beam, the definition is much more complex. So we'd see that that's not the fastest way to create the rebound. So I'm coming back to the column. I'm calling the dialogue, so you see here, we have two tabs with the longitudinal and the transversal reinforcement definition. And for the longitudinal, I can define lower and upper starting bars, and obviously, define the main bars in the column.

So here, I can select the diameter. I will select the bar diameter of 14. Of course, the families of bars depends on the localization of Revit. If you are using Revit with UK families, French families, US families, obviously, so it's linked to Revit. So here, you can define how many bars you have. So for example, I want to place three bars on each side of the column.

I can set the length of the bounds, OK. Hooks, so I can select all at zero. And I will also go to the transversal distribution. So I can define transversal distribution for the main part of the column, so I just need to place here the values for spacing 150. You can select the image all you want, we can keep eight. I had another one, ten times 250, for example.

And to finish, another one at the top of the column with four times 150. OK, so here, you see that having distribution series of Rebar, you see the level you will reach with all those spaces. OK, so I confirm, and you get the generation of the Rebar inside the column. So we can see, and obviously, all those objects are Revit objects. Or here, for example, you see the series. The Rebar set, you can change it either using the Revit functionalities, either calling back the dialogue selecting the column.

OK, so now we have created this 3D package in the column. Of course, I can use the copy Rebar function here to copy from this column to this one. Yes, that's a possibility that I will show you in a second, but also what I can do. I can select my column, and in fact, save all those parameters as a template. So here I just need to select the element hosting the Rebar.

I go here to-- and I will save the reinforcement cage-- so I give a name to the template. So for example, column B. I save it. OK, it's done, and now-- so you see that it's a file save on this. So what is interesting here, I will show that. For example, I can select two columns and load the templates. Of course, even the column has a different section of Revit, and that's the native Revit behavior will stretch the Rebar to the host element, and you see that you're applying this you can quickly reinforce the column.

What is interesting here is that you can create as many templates as you want and you use them in different projects because you save files outside Revit, and you can reload those templates in any projects you can do. So that's a very interesting way to speed up your Rebar modeling, and to homogenize-- not sure it's English-- to homogenize your Rebar project, OK?

This tool is different from the copy Rebar tool. The copy Rebar tool is also interesting, for example, here, you see-- in this Revit model, we have created a specific family, which is a pi cap with two pis, OK? And we have created manually the rebound because for the moment, we don't have a result which automatically generate the Rebar in a pi cap.

So we have created those bars you see on screen manually, but using the copy Rebar comment, you can-- here, you copy. So here is asking you if you want to exclude something from the copy, so I will say no so I don't-- and then I select like that with the control keyboard. The different elements I confirm and then it's making the copy and you have all the Rebars on all the pi caps.

OK so now let's come back on this column here and we have other very interesting functionalities and one of those ones are the possibility to generate drawings. So how it works. In fact, if I go here to the customize drawings, dialogue. In fact, for each element, so of course, we can of automate the views and drawing creations on beams, columns, footings, you see different sections, different footings, walls, and slabs. I will talk about that in a few minutes.

In fact, for example, I want to create the drawing of a column. I need to load a template. A template as you can see is a Revit file. In the Revit file, you include the sections-- the 2D views you want to generate. How many sections, how many elevations. The bar tags, the annotations you want to place, the scale of the views, all the things that you save as a Revit file, so it's quite easy. You just need to follow for the sections I have to get a predefined name because the system needs to detect that it's a section that has to be generated automatically.

So you apply a Revit file, so that is very important because we don't want you to create GRAITEC Rebar drawings. We want you to create your own Rebar drawings, obviously. So you create your templates, of course the software is coming with a set of default templates that never fit with what you expect, so that's why you will have to create your own ones. You can ask the same. You can ask the software to generate Rebar schedules. The Rebar schedules is the same.

In Revit, we do not have the concept of schedules templates does not exist. So how we worked around this limitation. You create an empty Revit file, you create the schedules defining the filters, defining the columns, the parameters you want to place in the schedule. You save the Revit file, and here, as soon as you load the Revit file, the BIM designers will display all the schedules from the Revit file. So then you just select the one you want, and you apply it to your project.

OK, so now, as soon as you have defined those few settings, you can select a column. So you select the element which is overseeing the Rebar, and then you can just click there to generate the drawings. So now we have a process that will take a few seconds, which is generating the 2D views. So the 2D sections, which is placing the annotations, creating the drawing sheets, creating the schedule, and you get the drawing.

Again, nothing is magic, OK? So it means that you're still in Revit. You can do whatever you want, and you can fine tune, add a 3D view, for example. But the idea is to save time. So you see here all the views, so you have here the elevation view. This is the bar tag, which is in the template, and you see that it's quite interesting because it's really saving time on the detail outside.

OK now I can complete. Here we have the schedule. OK so it's a real Revit schedule, and what is interesting is that here you see that we have the column with the scalars. So now we can see how to create bending scalars in those views. There are two possibilities. The first one, is that I want to create bending scalars in the view itself. So for that, so I go to the view, so here it's the elevation. I select the transversal distribution here. The rebound set.

And here we have a tool called bending details. So I just click there, and it's creating a bending detail, as we can see here. So I can move it, OK. I have to change my crop regions to better see it. So maybe I will increase it a little bit more, and then you see-- you move it-- and you see the bending scanner. These bending scanner is linked to the object. So obviously, if you change the section of the column for example, the stirrups are stretched, that's the Revit behavior, and the scanner is up to date, real time.

You have nothing to ask, you don't need to ask for a date, it's real time. And you can do this for example, if you want to have also a detail of the bar, you select the longitudinal bar and you go to bending detail again, OK. So doing this, as you can see, you can get, and of course the drawing sheet is updated automatically. Now, about the bending scanners in the schedule. It's the same. You can, for example, here I will activate the view, I will select all those bars, and here, we have a function, which has created the schedule schemas. So it's creating. So basically it's attaching a picture to the object, which is updated real time. And then you have here the bending schemas directly in the schedule. So here, I agree, depends on the countries. For example, some countries just defined the Rebar shape code and the parameters.

In France, for example, we love the bending schemas in the schedule, so it's up to you to create a bending schedule with schemas. And those bending schemas can be created automatically.

OK, so that's the Rebar functionalities. What is also important is that each function we are using can be used as a single tool. For example, you can select another column. For example, here you can select another column and just ask for a Rebar schedule. So you go there, you select the column, you go there.

So here depending-- OK, I don't know why here I am some French template. So let's go back to UK templates. OK, you select the one you want. And you generate it. And then you will get the Rebar schedule here.

And in the Rebar schedule-- so afterwards, it's ready. So you can do whatever you want. For example, you know that the tool is automatically filtering the schedules on the Host Mark. So it means when we create the Rebar object, we assign the Host Mark, and then we filter on this parameter.

OK, so now I'm coming back to the presentation. So that's the first part with some detailing tools for the detailer. Now, if we go further, how we can automate more the Rebar creation. So it means before using those detailing tools, how we can create or we can generate the 3D Rebar model.

So as I told you, when you installed the BIM Designers, you have here, in the first part of the Rebar, some Design functions. The only way to automate the 3D Rebar cage's creation is to design the elements inside Revit. So for that, you have here an icon, Calculate, where that will design the element, create the 3D Rebar cages, generate automatically the drawings. So it means use the functions I've shown you, but automatically.

And obviously if we calculate, if we design an element, we need some reports to justify the calculation for the engineer to trust the reason it is getting with the module and the schedules.

So how it works-- there are two ways. The first way is OK, I want to-- I select the BIM. So I will not show you today this possibility. But you can just select a BIM, apply manually the loads-- linear loads, punctual loads, valuable loads.

So you apply the external loads on the elements. You set the Design Assumptions. You set the Reinforcement Assumptions, the hook angle you want to place, the [INAUDIBLE] materials, the Conscriptive Dispositions, according to the Euro code, according to the Canadian codes, the American codes.

That's mainly the three codes we have inside the software. And you can run the calculation and get the 3D Rebar cage. That's what I will show you. The second possibility, which is more integrated in a bit more flow is to consider the fact that Revit can host results packages.

So if you download the Structural Analysis Toolkit from the Autodesk App Store, you can store in Revit some results. So you start with a 3D Revit model, embedding, as you know, the analytical model. This model can be sent to a firm's software, here of course.

I'm showing it with our software Advanced Design. But it's not a must. I should not say this too loud as my boss will kill me, but this workflow works with any firm software able to store results packages in Revit.

The idea is that when you have done these export and way back to Revit, you get in Revit the internal forces. And from that, we can design the concrete members. And that's interesting because we can really then automate the generation of the 3D Rebar cage on all those structural elements. So let's have a look on this part.

So I'm coming back to my model. And in this model, I want to reinforce a BIM. So first here, you see that, for example, this BIM here has a depressure. This depressure has been created with the BIM Designer tool. So here in the BIM Designers, we get the geometry from the Revit model. And we can easily create openings or depressures on the BIM.

To design this BIM-- the geometry is coming from Revit, but what I have to do also is to define here all the Design Assumptions. So I will not go through all the details, but you have Design Assumptions depending on the design code you're applying. Here it's the Euro codes.

Of course, you can save design templates to not define all those parameters each time. And you have also to define the Reinforcement Assumptions with tens, hundreds of options.

OK, then as soon as you have done this, what's the purpose of this model? In this model, I have the analytical model. And using the Structural Analysis Toolkit, you see that higher here some set of results that I can explore.

And for example, I can display the axial forces on the columns. And here we can see the values. So that's the values we can use. So for example-- sorry-- here, I am coming back to my view. I will reinforce the BIM in a few seconds.

I don't know why I-- sorry-- I removed the depression. OK. And so now if you want to calculate this BIM, you run the calculation, and you get the 3D Rebar cage automatically.

What is important is that when you design an element, you have some technical reports, some detailed reports, where you can, for example, have all the results from the Designer, including very deep, analytical formulas.

So really, the idea is that the engineer must be able to trust the results you are getting with the software. That's an important point. Now, there are some possibilities to homogenize your project. For example, here, thanks to the firm calculation, I have-- if I take, for example, this column, I can see some loads on this column.

And obviously this one, because of non-symmetrical reasons, for example, this column has different values. So even if the forces are different, what you can do, you can select both columns. And then say that you want to Create a Design Group. So applying the template from one of the columns, I will create the group column 101, for example.

And then now-- so here I can see in these design statues, dialogue, the elements from the design group. And what is important is that then, if you design a column, it will design automatically all the columns from the group.

So that's a way to group all the identical elements to speed up and to have a more efficient Rebar project. Also, something which is interesting because it's the difference between the view of the detailer and the view of the engineer, the continuous BIMs, you see?

Here, for example, on the detailing point of view, the detailer will create spans. Why? Because you want to tag this spans one by one. So it will not create a BIM from the first column to the last one. Here, what we have implemented-- we have implemented a function that allows the user to select the two spans and create a multi-span BIM. But this mutli-span BIM is not affecting the Revit model itself. It's just for design proposals.

So now if I create this BIM, I give a name to the BIM. And then as soon as I select one slider-- one span, sorry, I can run the calculation. And it will calculate the entire BIM.

So here we can see if I zoom in-- so it has taken into account the continuity. And here, for example, you can see the Rebar-- the bars over-- here you see the Intermediate Report.

Now, also what is interesting is that thanks to this, then it's quite easy to select, for example a BIM. Then you can access all the Reinforcement Assumptions. Something which is interesting is that you can go deeper in the details and say that you want to define a maximum balance.

So here I will, for the demo, put a small value just to force the software to split the bars. And here you can, OK, I want to split the bars. And I can select how I want to create the continuity either overlapping the bars with some parameters here below, or using mechanical couplers, just defining, for example, the offset, the gap between the bars.

When, as soon as you have done this, just redo the calculation. And you will get the couplers placed automatically on the Rebar cage. You see? And of course, then you are in a Revit. So after you have the possibility to move them and adjust, fine tune, your Rebar model.

AUDIENCE: Can that be started?

JOSEPH PAIS: So-- sorry?

AUDIENCE: Can that be started?

JOSEPH PAIS: Yeah. Yeah, yeah.

AUDIENCE: All in the same spot?

JOSEPH PAIS: Yeah, yeah, yeah. Yeah, yeah. Yeah. It's really Revit objects, with everything coming with. Yeah. Then, also, something which is interesting in this automation is that we have seen just before the possibility to create views, to create drawings, to create schedules. Here is the same.

It means that I can take a BIM, for example, and ask the software to generate the drawings. So it can be on a single element. You can select-- I don't know-- all the BIMs, all the columns from a level, and ask to create either a single drawing sheet for all the selection, or drawing sheet, per element.

And you see that you can get this. Then after all you are in Revit, so if you want change the scales, you can do whatever you want. The idea is just to speed up your work in Revit.

OK, now what I would like to show you-- so right now, we have all the detailing tools and three modules for BIMs, columns, and footings which are available. Just go to our website. You can download the trial version. The BIM Designers are also on the Autodesk Store. So you can go there and download the BIM Designers from the Autodesk Store.

Now, what I would like to show you quickly is I would like to give you a preview of what is coming next year. So when I say to the dev team, to our developers, OK, I will show live. They said you are totally crazy. It's a distraction. But I will try.

So what I'm showing you now is in work-- so that's a dev version-- and will be available April next year. What we are working on-- we are working on two new modules to design the walls, the shear walls-- that's the same module-- and the slabs.

So how it works-- for the walls, it's quite easy, in fact. When you select a wall, you have some properties. So for example here it's-- let's say it's a gravity wall. So you can select the wall. You can define all the Design Assumptions. For example, you can say is it reinforced or unreinforced wall?

So I will keep the Automatic Detection. I can define that it's a casting place wall. This option is for the Constructive Dispositions. It's an exterior wall. OK. I have some parameters linked to the design, like the concrete cover.

Also, the geometry is interesting because the module is able to generate, and to read from Revit, the openings. You see, so here I have created openings using the Revit tools. They are there, so I can change them.

And then I have a set of Reinforcement options, where you can define all the Constructive Dispositions for your wall. And now, then, when you do this you just calculate the wall. So, of course, you can either impose the loads, either get the loads from the calculation you have done.

And you get, as you can see, the simple wall with the Constructive Dispositions. After, this is-- let's say, a wall with gravity loads. Here, I can do something else. This wall has been defined as a shear wall. Here, we can see. So here we can define whatever you want.

And also something you can do-- you can design single shear walls, or you can group two sheet walls. So for example, on the second floor, I can select those two walls. OK, and I will create a shear wall group.

So I give a name. OK. And then now I can select all those elements and run again the calculation. And I will get-- so the difference between walls and shear walls is the fact that the shear wall comes with seismic dispositions, with the vertical stiff nails at the hand of the walls, at the intersection of two walls.

So for example, here, you see that I have defined a group of shear walls. So it means I have a [INAUDIBLE] shear wall. And I can see-- you see the vertical stiff nails at the end.

So it's really a save of time. And it's really interesting because then, suddenly, if you have some firm results stored in Revit, especially with the result of forces on shear walls, then you can really design your shear walls in Revit and get the full-detailed 3D Rebar cage.

OK, something else I would like to show you as a preview is for the slabs. So for the slabs, the approach is slightly different. Let me just-- for demo purposes, let me hide those elements. OK, so here for the slab I just need to unload this set of results and load another one.

So here, you see that I have a set of results called Required Reinforcements. So what it means, it means that I sent to prepare the demo, because I cannot do everything live. I have no time. But I have exported the Revit model to Advanced Design. I have done the theoretical design of the slab, checking the deflections, checking the maximum cracks, and so on.

And the result is theoretical values. Then I have imported back those theoretical reinforcement values in Revit. So first, I can here-- so please don't look too much at the GUI because it's a dev version. So the GUI is not definitive.

But here-- OK, does not work. Just a second. That's the dev version some time. So I think I have to initialize again. Yes. OK. What's happening? OK.

OK, so sorry for-- it seems that I have-- ah, maybe because they are outdated. Else, I will open another file. OK, try-- last try. No, OK.

So just a sec. So let me open another file. Sorry.

AUDIENCE: [INAUDIBLE] .

JOSEPH PAIS: Yeah, I am. But I will try with this model. Normally this one should work because I-- yes, OK. So in this model, I have, as I told you, a set of results with Required Reinforcement. So first, as you can see, we can display, on the Revit view, the theoretical reinforcement values, the real one-- so for the moment, I have nothing, obviously, I will do it now. And the required values.

So what's the idea? The idea is that you select the slab. And you can define Reinforcement Assumptions, define the Bar Splitting, and what we call the Reinforcement Solution.

So here, the important point is the fact that here, you see-- so again, don't look too much at the GUI I coded. It's not finished. We will create nice dialogues.

Here, you see that you can create a strategy. So do I want multiple layers, one layers here? Do I want to mix bars, meshes, fabrics, both? And here-- that's the most important-- the percentage that you want to cover because we know that it's impossible to reinforce, automatically, a slab, especially with a very complex geometry.

You will never agree with the final results that we will give you. So the idea is that we can ask the algorithm to try to go automatically till a certain level-- 50%, 60%, 70%, up to you. And then you still continue to fine tune manually.

And what we have done is that you take the slab. And for example, I will work for the top bars. So I select the slab. So it's coming. OK, so the module you see is loading the theoretical areas, coming from the theoretical values.

And here, you can start to create zones. So here, I start to create a first zone. So for example, I will turn around this middle one. OK, so we have created, you see, a very easy interface, where you can move the mouse.

Moving the mouse will change the spacing. And you see that the values are updated real time. So here the spacing is 1.2 meters, so it's not enough because I still have positive values. Means I'm missing areas.

And if I decrease the spacing at two points, I will get negative value everywhere. I confirm that it's done. I can create another zone, for example, here. And in fact, you see that what you are doing, you are placing the Rebar in the zone. Sorry. I restart.

OK, so again, I place, and so on and so on. So as soon as you are finished, you evaluate. You confirm, and you see that you are the Rebars, the zones, which are placed automatically. So that's the idea. The idea is for you to give you the possibility to place the Rebar manually, with always an interaction between the requirements and what you are placing inside the model.

And of course, at any point you can come back on the module. You can ask-- you can call it again, and you can complete the job you have started to do. Or what you can do is you can select the slab, and here, check Edit, in fact, the zones you have created. So you can go through this dialogue.

So you have all the solutions. Either you change them using Revit, giving the number under spacing. Either you use the indirection, so the interest of the interactions is that as soon as you do a change, you'll see real time what's happening. Or you can go through this dialogue.

The other possibility, obviously, is defining all the Constructive Reinforcement also. So here, it's still in work, but we will have options to manage the hedge of the slabs to manage the openings on a slab. As soon as you have defined all the parameters, you can also ask for the Full Automatic Generation of Reinforcement in the slab.

So that's the idea. And that's what we are working on. Should be available as better versions in January, and we hope to release in April to reinforce the slabs, the concrete slabs, in Revit.

And the first version will also include the strips. So it means that we have in mind to reinforce-- in fact, you will get theoretical reinforcement values on meshes. And then you will be able to define the grid or to smooth the results or to define strips-- middle strips, band strips, and reinforce according those strips.

OK, now I would like just to finish the presentation and answer the questions you can have. I would like to say a few words about the Rebar data extractions.

By the way, I didn't show you, but if I'm coming back to Revit, what is important also to know is that when you design an element-- for example, here, a BIM-- in the properties of Revit here, you have some shear parameters we create automatically, which are giving you the reinforcement ratio, the average diameter, the volume of concrete, and so on. So values, parameters that are very useful if you want to monitor your Rebar projects.

And then what is interesting is that starting from the Revit model that you can create either placing manually the bars or using-- our, well, modules because, of course, we don't claim that we can automate everything.

So for sure, it will be a mix between our work tools and the Revit native tools. You create your 3D Rebar model. And what's very, very important is that the Revit Rebar model, the Rebar geometry, is coming or so with user's parameters because the Rebar is not just a geometry. It's a set of parameters on the objects. That's the power of Revit.

And then, in fact, adding the schedules here, there are two ways. In our tools, when you-- for example, when you buy your AEC collection to GRAITEC, for example. Or if you want to buy it independently, we have the Power Pack. And the Power Pack is a set of small tools.

And among those tools, we have a link to Excel. So we have a tool to link, to export any schedule to Excel. OK, but that's a personal feeling. I know that many of you in this room are using Excel, for sure, to extract data from Revit.

I don't know if some of you are using Power BI. Yes? Yes? Few. Power BI is very powerful. So probably I use the Microsoft tool. So you can easily export a Revit schedule. Why? Ah, OK.

I'm still on time, no? Yeah. So you can export schedules to Power RBI and create dashboards, analytics quite easily. And it's really powerful.

So the idea is that you take a BIM with the 3D Rebar cage we have seen. We have those parameters generated automatically. But again, everything starting with G is a Graitec parameter, which you can yourself create any parameter you need. So it's not closed. It's already opened to whatever you want to do.

And then you create the schedules you want. It can be Rebar schedules, but it can be, I don't know, from work schedules or whatever, couplers how many couplers you have in the model and so on.

And then you can export a CSV file imported in Power BI, and you can create those dashboards. After, if you have an update, you export again. You update your Power BI. And then you get really, very interesting analytics, like average diameter by level, average diameter for all the levels, the ratios, the reinforcement ratios per element, per level. You can insert views and really, it's unlimited.

You can do whatever you want. And it's really a very interesting way to monitor your Rebar project, to monitor real time progress, the quantities-- do I am on the track of what I estimated at the beginning? Or I'm sliding step by step, and I will finish at the end, plus 25%. So that's really interesting and opening several doors.

OK, so to conclude, I will go fast for the conclusion to try to keep some time for the questions. What we have seen-- we have seen that we can power up Revit with effective tools for detailing and design, depending on the Revit user.

Also we understand you. I hope you understand that it can be useful to store results packages in Revit because now we know what to do with.

OK, we have seen the 3D generic Rebar cages, the results to generate 3D Rebar cages, and the fact that the engineers can take design-driven decisions within Revit to produce the Rebar model.

And finally-- that's maybe the most important-- why to create 3D Rebar model. One of the answer is there-- because as soon as you have all these Rebar data in Revit, then you can start to really optimize your project.

OK, so that's it for my presentation. If you have questions-- yeah.

AUDIENCE: How heavy is the file on Revit?

JOSEPH PAIS: This file is less than 10 megs. It means nothing because it's a demo model. But I tried several things, and if you compare the size of the model with and without Rebars, it's not a big difference-- something like 15%, 20% max.