Will Model-Based Preconstruction Workflows Revolutionize the Future of Preconstruction?
Sampada Chavan
VDC Preconstruction Engineer @ Clancy & Theys | Model Based Estimating | Construction Technology Enthusiast
The answers to this question vary as widely as the individuals answering them. Some view it optimistically, emphasizing the speed and efficiency of the model-based workflow, simplifying the takeoff process, enhancing project understanding through model walkthroughs, and extracting data beneficial for estimators. Conversely, some rightfully express skepticism, pointing out potential inconsistencies or incompleteness in procured models, which could skew estimates. It's fair to be skeptical about approaching this technology while acknowledging the potential pitfalls it presents.
Part of the resistance to this innovative approach stems from questions about control. Can we trust the precision and reliability of a model without analyzing the plans first? Currently, Revit models are not authored to support preconstruction processes seamlessly, leading to minimal communication of preconstruction requirements to architects. In our fast-paced world, where everyone is consumed with their tasks, embracing change often feels like adding another item to an already lengthy to-do list. However, recognizing that these changes can fundamentally alter the way we estimate today is an idea worth embracing.
Many companies grapple with adapting to the model-based approach because it doesn't offer immediate inherent advantages. Yet, a model-based estimating approach facilitates quicker takeoffs and lays the groundwork for more informed models, delving into the realms of 4D and 5D models. These 'informed' models offer numerous advantages within and outside of preconstruction.
Advantages for Preconstruction
Within preconstruction, they assist in tracking dimensional parameters of construction elements through different phases and providing quick budget revisions through model change analysis. Linking unit costs to model elements facilitates cost tracking when scope changes. Furthermore, the early-phase model coordination aspect addresses potential issues before the project transitions to execution. This workflow is crucial in identifying constructability issues and conducting clash detection within a Construction Documents (CD) set model. Connecting your project schedule to the model provides you with a comprehensive understanding of both project time and cost. Imagine the possibilities!
Benefits for Clients
The benefits also extend to clients, offering a visually immersive representation of project element costs in 3D. This approach enhances the understanding of budgets and facilitates the analysis of constructability issues. Clients can also monitor changes in cost, schedule, and the project's scope of work throughout the preconstruction process, enabling easier identification of key drivers. This wealth of information empowers stakeholders to make more informed decisions. Furthermore, the VDC Preconstruction approach fosters enhanced collaboration and faster workflow among design teams, clients, General Contractors (GCs), and Construction Managers (CMs). The process becomes inherently more transparent and data-driven, paving the way for efficient and cohesive teamwork.
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Leveraging the Potential of VDC Preconstruction Workflows
To truly leverage the potential of VDC preconstruction workflows, it's imperative to acquire knowledge and seize the opportunities they present for your company.
At Clancy & Theys Construction Company , embracing VDC in preconstruction isn't just a theoretical concept; it's a tangible success story. We've experienced substantial time savings, slashing our takeoff time by almost 50% when provided with a high-quality model from the architect. This efficiency surge isn't just a number; it's a game-changer, empowering our estimating process to shift focus to design intricacies, constructability, intent, and value engineering right from the project's inception. The impact is real, and the benefits are palpable.
Model-based estimating holds the potential to transform preconstruction by offering efficiency, accuracy, and a renewed focus on the core aspects of our field. Let's equip ourselves with knowledge and unleash our potential to thrive in the new era of preconstruction. What are your thoughts on the transformative power of Model-Based Preconstruction? Let's keep the conversation going.
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