In construction projects, it is very important to undertake a proper assessment of the various costs that are likely to be incurred during the entire project. However, the conventional method of tendering whereby estimates are made based on two-dimensional drawings and emotions results in poor estimates and costs. This leads to budgets being blown, schedules being extended, and clients who are not happy with the end product. Employing methods like Building Information Modeling (BIM) can do wonders for construction estimates.
What is BIM?
BIM is a technology that is used to structure information in a digital environment through the use of 3D models to plan and design 3D Floor Plan Rendering Services projects. Through the use of BIM software the development of a smart 3D model that includes the precise dimensions and location of the project, spatial and geographic data, the characteristics of the construction materials, and volumetric calculations is possible.
Benefits of BIM Estimations
There are several key benefits of using BIM for estimations:
- More accurate quantity takeoffs: The use of 3D models makes it easier to get the accurate amount of materials needed since the models are detailed. This improves estimation accuracy.
- Clash detections: BIM can therefore pick out the conflicts in the structural members before construction and the design can be improved upon. This leads to a better estimation of the changes to be made.
- Whole lifecycle costing: BIM also holds information for cost appraisal of the building in all stages right from construction to use and repair.
- Both time and effort have to be significantly less in the estimation process while improving the speed.
All in all, BIM estimations remain more transparent, costs fixed, and accurate.
Implementation of BIM for Cost Estimations
Follow these steps to leverage BIM for improved construction estimations:
Collect Requirements
When it comes to estimation, ensure that requirements for projects, deliverables, and materials, among other factors, are agreed on by the clients. Integrate them through the design stage. A significance of clear specifications has been noted to be crucial towards the development of precise quantity takeoffs from BIM.
The building information modeling method entails the development of a sophisticated and comprehensive model for the building.
Develop an elaborate BIM model that would include comprehensive project dimensions, relations between components, properties of materials used, and so on For some complex project designs, one may need to consult Estimating Services or outsource the project to Wood Framing Cost Estimators.
Quantification and Takeoffs
If you have an accurate BIM in place, taking off material quantities and other features required for estimations can be very easy. This can give between 5-10 times faster and more accurate takeoff than manual extraction from 2D drawings.
Estimations – Revisions over the Project’s Life Cycle
Revise estimates from the BIM model as will be seen in the source file from time to time. This makes it possible to give back the changes without the need for more work, which allows for better control of costs.
Compare Design Alternatives
Using BIM tools, material/cost differences between the various design options can be easily ascertained for proper value engineering. This makes it possible to make selections that result in the attainment of targeted cost reductions without a quality match.
Add Supporting Information
Combine other important aspects with the 3D model, including specifications, overhead costs, escalation costs, etc., and add rates and process charts to create a Plumbing Shop Drawing Consulting and entire life-cycle estimations.
Read also: Exploring the Entertainment Landscape with Showbizztoday.com
Conclusion
The use of BIM enhances industry efficiency and effectiveness since it increases visibility, reduces the time taken to complete a process, and results in better control of costs in addition to improved estimation. When it comes to visualization and accuracy of estimates, the BIM can be as accurate as 98% with the help of detailed 3D visualization. Through enabling value engineering, efficient implementation of changes, and material takeoff, the application of BIM usage results in conventional cost reduction ranging from 3-10%. Therefore, many construction firms have begun relying on BIM for accurate and faster construction costing to replace the conventional 2D estimation methods. Paying attention to BIM estimating best practices can be highly beneficial when implemented in construction enterprises, regardless of their scale.
