David Vepraskas is a senior construction executive and mechanical engineering graduate from Georgia Tech. He has 25 years of industry experience. Known for his hands-on leadership style, David leads preconstruction and job-site operations for large commercial, healthcare, and industrial builds. He is on the board of directors for the Mechanical Contractors Association of Georgia, with a direct focus on trade coordination, crew development, and project efficiency.
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Q: Where do project plans hit friction during the transition from digital 3D models to physical job-site installation?
David Vepraskas: Friction happens when virtual models miss field realities like installation access, trade tolerance, and work sequencing. A digital model can display mechanical runs fitting in a tight ceiling space, but it doesn’t account for whether a crew member has room to weld the connection or maneuver a lift. Successful preconstruction requires stress-testing the model against physical constraints and actual trade workflows before material arrives on site.
Q: Mechanical systems account for a large portion of a building budget. Where do project teams waste money without realizing it?
David Vepraskas: Cost control comes down to equipment sizing and early design optimization. Oversizing mechanical systems to create an artificial safety margin leads to compounded expenses, like larger piping, higher electrical loads, and permanent utility inefficiencies for the owner. Upfront engineering analysis helps meet exact performance targets, saving capital on installation and long-term utility costs.
Q: How do you manage long-lead equipment risks when lead teams fluctuate on high-stakes builds?
David Vepraskas: You must separate long-lead procurement from the main construction timeline. Waiting until final design packages are finished to order chillers or custom air handlers puts you behind schedule. We issue early-release packages focused strictly on major equipment while design details are finalized. We also set up modular installation plans so field crews can shift to parallel tasks if a delivery date moves.
Q: How do you resolve conflicts on site when trade schedules overlap and space becomes tight?
David Vepraskas: Spatial conflicts on site are communication issues. When mechanical, electrical, and plumbing teams compete for the same square footage, relying on written logs creates delays. I prefer short, direct huddles right at the work area with trade people. Giving decision authority directly to the people running crews establishes immediate priorities and keeps the project moving smoothly.
Q: What mechanical technology will make a lasting impact on building performance in commercial construction?
David Vepraskas: Predictive building automation using continuous monitoring sensors. Historically, mechanical systems are balanced once at handover and left alone until a component breaks. Next-generation systems constantly evaluate performance data, adjusting airflow, fluid dynamics, and setpoints automatically. Moving to predictive adjustments extends equipment life and lowers operating costs for owners.
