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4D Modelling
4D Modelling is Forbetter Understanding of ProjectAccurate project delivery scheduleSaves time and cost Minimized disputesMinimized risks and increased safetyEfficient Logistics Management
4D (Construction sequencing)
4D BIM adds an extra dimension of information to a project information model in the form of scheduling data. This data is added to components which will build in detail as the project progresses. This information can be used to obtain accurate programme information and visualisations showing how your project will develop sequentially.
Time-related information for a particular element might include information on lead time, how long it takes to install/construct, the time needed to become operational/harden/cure, the sequence in which components should be installed, and dependencies on other areas of the project.
With time information federated in the shared information model planners should be able to develop an accurate project programme. With the data linked to the graphical representation of components/systems it becomes easy to understand and query project information and it is also possible to show how construction will develop, sequentially, over time showing how a structure will visually appear at each stage.
Working in this way is enormously helpful when it comes to planning work to ensure it is safely, logically and efficiently sequenced. Being able to prototype how assets come together before ground is broken on site allows for feedback at an early stage and avoids wasteful and costly on-site design co-ordination and rework. Showing how projects will be constructed visually is also handy when engaging with stakeholders, giving everyone a clear visual understanding of planned works and what the finished construction will look like with no surprises.
Adding sequencing information can be extremely useful, not just in the design phase, but earlier too, allowing for the feasibility of schemes to be assessed from the off. At tender stage this kind of information can allow initial concepts to be explored and communicated to inspire confidence in the team's ability to meet the brief.
It's important to note that working with 4D information doesn't negate the need for planners who remain an integral part of the project team. Rather than creating programmes as proposals develop, as is the case in traditional workflows, in a digital workflow planners can now influence and shape proposals from a much earlier stage in a project. Indeed, by being closer to the wider project team and providing feedback earlier in the process, there is the potential for planners to add significantly more value to a construction project.
4D BIM adds an extra dimension of information to a project information model in the form of scheduling data. This data is added to components which will build in detail as the project progresses. This information can be used to obtain accurate programme information and visualisations showing how your project will develop sequentially.
Time-related information for a particular element might include information on lead time, how long it takes to install/construct, the time needed to become operational/harden/cure, the sequence in which components should be installed, and dependencies on other areas of the project.
With time information federated in the shared information model planners should be able to develop an accurate project programme. With the data linked to the graphical representation of components/systems it becomes easy to understand and query project information and it is also possible to show how construction will develop, sequentially, over time showing how a structure will visually appear at each stage.
Working in this way is enormously helpful when it comes to planning work to ensure it is safely, logically and efficiently sequenced. Being able to prototype how assets come together before ground is broken on site allows for feedback at an early stage and avoids wasteful and costly on-site design co-ordination and rework. Showing how projects will be constructed visually is also handy when engaging with stakeholders, giving everyone a clear visual understanding of planned works and what the finished construction will look like with no surprises.
Adding sequencing information can be extremely useful, not just in the design phase, but earlier too, allowing for the feasibility of schemes to be assessed from the off. At tender stage this kind of information can allow initial concepts to be explored and communicated to inspire confidence in the team's ability to meet the brief.
It's important to note that working with 4D information doesn't negate the need for planners who remain an integral part of the project team. Rather than creating programmes as proposals develop, as is the case in traditional workflows, in a digital workflow planners can now influence and shape proposals from a much earlier stage in a project. Indeed, by being closer to the wider project team and providing feedback earlier in the process, there is the potential for planners to add significantly more value to a construction project.
At "Bana Yar Mehrza Irianian", one of the crucial elements of our BIM Services in Iran And International is 4D simulation services which we develop in collaboration with the Project Construction Supervision team as well as the data they provide. We take all the data related to the planning of the project as well as its construction and this we use to come up with 4D simulation services
4D BIM simulation services offerings:
- Converting 3D BIM models to 4D sequencing/phasing outputs
- Forecast completion and establish milestones before construction begins
- Clash free mapping of construction activities
- Generating efficient RFIs for interdisciplinary simultaneous activities
- Construction activity phasing and planning in real-time
- Monitor and track activity progress
We address the needs of contractors, engineers, and architects to efficiently plan and control over the construction project activities across by generating construction scheduling process based on 3D BIM models. We develop 4D simulations and phasing in Navisworks for resource allocation, and logistics of building material, supply chain management and risk mitigation.
We empower construction firms and general contractors to practice lean scheduling and visual validation to stay profitable with VDC in BIM.
Through Autodesk Revit and Navisworks, we generate 4D construction videos to help assess the impact of proposed designs and enable allocating optimum resources across the site. We generate accurate phasing charts and sequencing models that help communicate the project teams and enable tracking of material, resources and progress to site engineers and consultants as well as collaborate with one another.
Five reasons why you should consider 4D BIM on your project:
2D to 3D modelling and maintaining efficiency for building construction projects is often talked about. But we also hear AEC industry professionals discussing their opinions that 4D BIM is not as significant. That is why it is more important that we talk about 3D BIM versus 4D BIM or even traditional project management versus 4D BIM project management, rather than 2D versus 3D BIM, says Hiral Patel.
Since 4D BIM is about construction sequencing with visualisation, it is an easy way to track and keep stakeholders updated on the project progression.
Below are five instances when construction sequencing and management with BIM is more efficient than traditional methods.
1. Planning and scheduling
With a 3D model, as in our typical Gantt chart processes or conventional project management processes, tracking activities is a bit cumbersome. However, with the digital 3D geometry of the as-built and proposed building design, the understanding and explanation become profound.
For traditional practices, there are innumerous charts, bars, and graphs which are often misleading or need intensive calculations. A 3D geometry not only eliminates the graphs but also ensures that there is no ambiguity.
2. Comparison and tracking
Tracking every activity on site is perhaps the most challenging task, especially for mega-construction projects like commercial buildings or infrastructure development projects such as airport lounges or underground tunnels.
In such cases, tracking with orthodox styles of a report consisting of several pages is time-consuming and tedious to understand. With a tracked Timeliner video as in Navisworks, there is a sequential animation of all the activities happening on site with material tracking option as well.
Construction sequencing videos prepared in such a manner make it easy to track every building element and construction progression. It is actually a visual comparison of what was planned in documents against what is done onsite.
The site contractors can export the model to electronic devices and can then update the 4D BIM model once back in the office. In fact, 4D timeline videos help in preplanning and making provisions for efficient planning activity, if reviewed before construction breaks ground.
3. Progression and coordination meetings
It is a challenge for every project stakeholder to explain their concerns to others involved in the trade in the meeting room. Also this is the routine for as many times as there are design revisions.
But with 4D BIM meeting in place, not only the design intents become clear but stakeholders can also keep a track of all the changes made, and owner of each change, to minimise conflicts between the teams.
4. Minimised disputes
As each change is tracked and the designer – be it, architect, structural engineer or an MEP engineer – is the respective owner of the changes made, blame games are no longer the part of meeting rooms and disputes over design, or clashes among building elements, are addressed and resolved efficiently and conveniently.
Workflow clashes for simultaneous inter-disciplinary activities can be easily identified, and an alternate schedule for construction can be proposed.
5. Minimised risks and increased safety
Just one video for all the construction management activities exists, while piles of papers are eliminated which removes the risk of data breach or misplacement of papers. Also, any probable risks can be anticipated well in advance and eliminated by planning accordingly with safety measures.
Location of any heavy machinery, cranes, loaders, trucks, etc. can be known at any point on site and hazards can be avoided by scheduling minimum human activity in that area on site.
Final word
These five aspects demonstrate how efficient BIM can be for a building construction project. But contractors and project managers should evaluate factors such as preparation phase, the linkage between primary design phase and maturity of BIM before implementing.
By Hiral Patel
2D to 3D modelling and maintaining efficiency for building construction projects is often talked about. But we also hear AEC industry professionals discussing their opinions that 4D BIM is not as significant. That is why it is more important that we talk about 3D BIM versus 4D BIM or even traditional project management versus 4D BIM project management, rather than 2D versus 3D BIM, says Hiral Patel.
Since 4D BIM is about construction sequencing with visualisation, it is an easy way to track and keep stakeholders updated on the project progression.
Below are five instances when construction sequencing and management with BIM is more efficient than traditional methods.
1. Planning and scheduling
With a 3D model, as in our typical Gantt chart processes or conventional project management processes, tracking activities is a bit cumbersome. However, with the digital 3D geometry of the as-built and proposed building design, the understanding and explanation become profound.
For traditional practices, there are innumerous charts, bars, and graphs which are often misleading or need intensive calculations. A 3D geometry not only eliminates the graphs but also ensures that there is no ambiguity.
2. Comparison and tracking
Tracking every activity on site is perhaps the most challenging task, especially for mega-construction projects like commercial buildings or infrastructure development projects such as airport lounges or underground tunnels.
In such cases, tracking with orthodox styles of a report consisting of several pages is time-consuming and tedious to understand. With a tracked Timeliner video as in Navisworks, there is a sequential animation of all the activities happening on site with material tracking option as well.
Construction sequencing videos prepared in such a manner make it easy to track every building element and construction progression. It is actually a visual comparison of what was planned in documents against what is done onsite.
The site contractors can export the model to electronic devices and can then update the 4D BIM model once back in the office. In fact, 4D timeline videos help in preplanning and making provisions for efficient planning activity, if reviewed before construction breaks ground.
3. Progression and coordination meetings
It is a challenge for every project stakeholder to explain their concerns to others involved in the trade in the meeting room. Also this is the routine for as many times as there are design revisions.
But with 4D BIM meeting in place, not only the design intents become clear but stakeholders can also keep a track of all the changes made, and owner of each change, to minimise conflicts between the teams.
4. Minimised disputes
As each change is tracked and the designer – be it, architect, structural engineer or an MEP engineer – is the respective owner of the changes made, blame games are no longer the part of meeting rooms and disputes over design, or clashes among building elements, are addressed and resolved efficiently and conveniently.
Workflow clashes for simultaneous inter-disciplinary activities can be easily identified, and an alternate schedule for construction can be proposed.
5. Minimised risks and increased safety
Just one video for all the construction management activities exists, while piles of papers are eliminated which removes the risk of data breach or misplacement of papers. Also, any probable risks can be anticipated well in advance and eliminated by planning accordingly with safety measures.
Location of any heavy machinery, cranes, loaders, trucks, etc. can be known at any point on site and hazards can be avoided by scheduling minimum human activity in that area on site.
Final word
These five aspects demonstrate how efficient BIM can be for a building construction project. But contractors and project managers should evaluate factors such as preparation phase, the linkage between primary design phase and maturity of BIM before implementing.
By Hiral Patel
Benefits of partnering with us for 4D BIM services:
- Optimized construction scheduling for complex projects
- Eliminating reworks by developing efficient schedules
- Resolving conflicts and delays in supplies at site
- Reduced time and cost overruns by misconstructions
- Easy project management with a visual sequencing of tasks
- Smart risk management through detailed information beforehand
Our 4D BIM services Include
4D PRE-BID Presentation
with BIM to offer a realistic view of construction4D Time Line Services to
incorporate individual 3D components or assembles to the schedule4D BIM Construction Phasing
an ideal way to visualize the series of construction events4D Construction Simulation
to combine 3D models with project schedules across create, realize and enhance phases4D Construction Video Animation
to make your project come live before it commences onsite4D Building Construction & Maintenance Planning
with CPM schedule to identify maintenance activities4D Construction Demolition & Renovation
to address improper design, poor procurement and planning, inefficient material handling, residues of raw materials, and unexpected changes in building design.4D Applications for Construction Planning
to make the planning sequence and execution easier to understand
Tools We Use
Navisworks94%
Archicad33%
Lumion92%
Photoshop60%
Synchro79%
Autodesk Revit92%
Sketch up50%
Unreal Engine85%