Episode 014 – Designing Around a Ghost Vendor Show Description The drawings need exact dimensions. The vendor won’t give them to you. And the project still has to go out. Brian and Alex are joined by returning guest Emilie Diggs to talk about what happens when a design team has to coordinate highly specific equipment before theequipment—or sometimes even the vendor—has actually been selected. Using a surgical renovation as the backdrop, they dig into the uncomfortable gap between procurement and physical reality. Surgical booms, C-arms, integrated manifold systems, ceiling heights, structural supports, clearances, vibration criteria, power, cooling, and shielding all require real information. But when procurement rules keep the vendor at arm’s length, the design team is left trying to turn assumptions into construction documents. From a surgical boom that drifted into a patient because its center of gravity changed to an MRI that briefly matched the resonant frequency of the floor, they explore what happens when the equipment that eventually arrives isn’t quite the equipment everyone designed around. Because procurement can tolerate ambiguity. Physics cannot. If you’ve ever designed around a basis of design that was unofficial, hypothetical, or mostly based on hope and a PDF…this episode is for you. Links & Contact Website – www.buildableish.com Email – brian@buildableish.com LinkedIn – Buildable(ish) Instagram – Buildable(ish) X – @Buildableish Show Notes Chapter 1 – The Basis of Design Without a Basis Why equipment procurement and design schedules rarely line up perfectly.What a basis of design is supposed to provide—and what happens when it can’t be confirmed.Designing surgical spaces around equipment dimensions, clearances, mounting requirements, shielding, power, cooling, and air-change requirements.Why reference sheets and approximate dimensions aren’t enough when tolerances are measured in fractions of an inch.How changing vendors—or even changing surgeons—can change the equipment requirements.Why rapidly changing medical technology makes early equipment decisions even more complicated. Chapter 2 – Physics Doesn’t Care About Procurement The surgical boom that drifted into a patient after an equipment attachment changed its center of gravity.Why equipment weight is only part of the structural problem.Boom reach, eccentric loads, deflection, vibration, and mounting geometry.The MRI that briefly matched the resonant frequency of the floor during startup and shutdown.Why seemingly minor differences between equipment models can affect structural supports, ceilings, lighting, manifolds, clearances, and entire rooms.What happens when the real equipment finally arrives and the assumptions don’t match. Chapter 3 – When Neutrality Meets Buildability Why an owner may have legitimate reasons for delaying equipment selection.Balancing procurement fairness, funding, technology changes, and the risk of appearing to favor a particular vendor.How procurement ambiguity migrates into scope, schedule, budget, coordination, and construction.Why vendor drawings need to be reviewed carefully for warnings, exclusions, “by others” notes, and responsibilities pushed back onto the design team.Using equipment envelopes, performance criteria, and clearly documented assumptions when exact information isn’t available. Chapter 4 – Designing for the Unknown Designing to a credible worst-case condition when the final equipment is unknown.Creating adaptable support zones instead of relying on a single assumed mounting point.Putting critical assumptions where contractors can actually see them.Making future coordination a defined process instead of simply saying “coordinate later.”Identifying who owns each assumption and when it must be validated.
