WHAT IS BIM (BIM modeling)?

WHAT IS BIM (bim modeling)?

BIM stands for Building Information Modelling, but it is sometimes said to stand for Building Information Management. The term ‘Building’ in these phrases relates to building any built object, including infrastructure, process plans, civil engineering works, optimizing building energy, and buildings of all types.

BIM modeling is a process that relies on a computerized virtual 3D model of the built object capable of reacting to changes in the ‘virtual’ world in the same way that the physically created thing would respond when constructed.

This ‘virtual’ reaction is achieved by applying to a computer model, software applications used to design, understand and demonstrate the key physical and functional characteristics of the built object throughout its entire life cycle (i.e. from its initial conception to its final demolition and/or disposal). This virtual 3D model forms a shared knowledge resource of information about the built object, providing data that can be collected, managed and used for a variety of functions.

This ‘virtual’ reaction is achieved by applying to a computer model and software applications used to design, understand and demonstrate the critical physical and functional characteristics of the built object throughout its entire life cycle (i.e., from its initial conception to its final demolition and disposal). This virtual 3D model forms a shared knowledge resource of information about the built object, providing data that can be collected, managed, and used for various functions.

BIM MODELING STRATEGY

Building Information Modelling is not only about software and 3D modeling; it is principally about procuring the correct information at the right time to make better decisions more efficiently. This is why a BIM Strategy is so important. The purpose of the BIM Strategy is for the client to put down in writing what they are trying to achieve through the use of BIM and how and when they will implement the BIM Strategy, taking into account the supporting foundations, processes, technology, tools,lilke creat custom plugins for revit and people that it will require. A clearly defined BIM Strategy is at the heart of the successful implementation of BIM.

LEVELS OF BIM AND BIM MATURITY

While the entire BIM process cannot be achieved in one step, there is a convention to categorize BIM under various ‘levels,’ 1 movement between levels, often referred to as ‘BIM maturity. These levels of BIM are described as follows. Also, there are LOD in BIM.

LEVEL 0

Relates to unmanaged CAD in 2D, with paper or electronic data exchange, and uses 2D CAD files for design and production information.

LEVEL 1

level-1 represents the first step towards genuine BIM and using 3D data to present design. At this level, the designer usually operates in isolation; thus, this level of BIM is colloquially known as ‘lonely BIM.’ At this level, there may be a number of designers, each of whom deals with their own designs in isolation from the others. Designers at this level usually use managed CAD in 2D or 3D format.

LEVEL 2

Level 2 is a managed 3D format held in separate BIM discipline software tools with data attached. This level of BIM may introduce the first steps to utilizing other digital add-ons, such as 4D for construction time and sequencing data and 5D for cost information.

LEVEL 3

This level (called ‘Open BIM’) relates to a fully integrate and collaborative real-time project model. This BIM level can utilize 4D construction time and sequencing, 5D cost information, 6D project life-cycle information, and other dimensions (sometimes referred to as ‘XD’), for additional management information or functions.

BIM MODELING BENEFITS

Suppose you are responsible for some of the critical decisions in your organization, and they need you to file a business case with BIM. As part of a business case, you must justify the investment, the money your organization has to spend on the BIM project.

It would help if you also made all the changes you need to do the project, from new technologies to new team structures and staff. Not only that, but you can probably be sure that the return on investment can be inferred as soon as possible. Your boss wants to know how much the BIM costs and must have an acceptable return to be worth it.

BIM modeling benefits are briefly described in the following sections.

collaboration and communication

BIM models allow users to share and collaborate, which is not the case with paper designs. With the help of Autodesk360 BIM-based tools, BIM collaboration can take place seamlessly across all disciplines in the project. The BIM360 system allows teams to share project models and coordination planning, ensuring all project design teams are overseen.

The bim modeling can also prevent data loss during a project, and in data exchanges, you can share project data with minimal waste of time and energy.

Improved project introduction and display facilities

This process provides the best conditions for your customers and employers to see a complete model of what will be built in the future, better understand the design structure compared to non-graphic and two-dimensional models, and even allow them to see their ideas in three dimensions of the system.

More productivity

Expert studies show that BIM significantly increases work efficiency. In a study of a small contractor, BIM's effect on labor efficiency was examined, and the findings showed that labor efficiency increased by about 75 to 240%.
Like Point cloud modeling in BIM for renovation.

Contributing to the environment

You can calculate the energy and carbon consumption produced with a new level of detail. More confidence in your future performance by performing simulations and testing the concepts of energy and carbon cycles in the model environment in the early design and pre-fabrication stages. You can also learn more about the project plan and any potential problems.

Also, further benefits reduce your reworks on site and save your cost and time, which will be explained.

In continuation, you can see some samples of our projects in 3 disciplines that will be linked as a one-building file.

ARCHITECTURAL BIM MODELING

After Architectural design, this discipline will be modeled in Revit for all of the architectural details. You can see some samples In the following

CONSTRUCTIONAL DETAILS

STAIR DETAIL

STRUCTURAL BIM MODELING

Structural modeling could be done in Revit, Tekla structure …

We model most Reinforced Concrete and Steel structures in Revit with great details for shop drawing details from structural design.

MEP BIM MODELING

Benefits of BIM in MEP engineering:

Construction timetable optimization
A great degree of adaptability
Conflict detection in the early stages of a project
Cost reduction – precise cost estimation and bill of materials
Customization to a high degree
Sustainable building designs and environmentally friendly construction methods
Enhanced design solutions
Effective building performance analysis
Efficient maintenance and improved lifecycle management

BIM MODELING COORDINATION

Coordination is one of the unique advantages of a BIM model, which after modeling different disciplines by integrating all the disciplines identified and corrected any interference, which reduces the process of rework in the construction of the project, that you can see some samples of that in our Apartment BIM project.

BILL OF MATERIALS IN BIM MODELING

An essential part of every project is BOM, and the possibility of reusing this document automatically is a big bonus for Revit. However, we need to manually configure this option since Revit does not give it to us by default. A Bill of Materials (BOM) summarizes items required to manufacture a part or product.

Quantity take-off from BIM models

Boiler room equipment takeoff

Doors and window quantity take off

As-built from point cloud in BIM

As-built modeling from point cloud

As-built project from point cloud Modelers: SATABIM group Location: Germany Year:2019 Area: 40000 m2 The Amberg as-built project from the point cloud is one of the interesting projects because This building is a historical place with mixed-used usage, for the renovation of this structure needs an accurate plan and sections but because of the archaism the project no documents exist. For the best result, laser scanning the Amberg project started after the point cloud file was getting

November 8, 2022 No Comments

Point cloud modeling

Point cloud Modeling Point clouds are a collection of three-dimensional positions in space, and these positions are usually associated with a three-dimensional model. This information is generally three-dimensional and 4-dimensional when the color is also shown. The data in a point cloud provides a lot of information. Point clouds created by 3Dlaser scanning are exportable in BIM software. Revit uses point cloud modeling for As-built, quality measurement, inspection, restoration, and reconstruction regarding optimizing building energy. What is the advantage of Point cloud? Accurate and faster outputs for scanning a building in 3D models. Ground-based can obtain precise results on the millimeter scale, Not having

November 7, 2022 No Comments