By Remy Edmunds
In the lifecycle of a capital project, the signing of the Guaranteed Maximum Price (GMP) is often treated by stakeholders as a hard-won victory—a finish line after months of arduous design, value engineering, and budgetary alignment. However, from an owner’s perspective, this milestone is not an ending. It is a critical, often neglected handoff point where the project’s internal architecture is most susceptible to structural failure.
Within a week of signing a recent GMP contract, I found myself in a meeting watching a team realize, in real-time, that the sophisticated project systems painstakingly built over a year of design had not successfully migrated into the construction phase. The risk register, which we had nurtured alongside our estimators, had effectively ceased to exist. It hadn’t been lost; it had simply stopped moving because no one on the incoming construction team had been explicitly tasked with owning it.
The Request for Information (RFI) process, the submittal log, and the decision-tracking matrix were in similar states of atrophy. This was not a failure of individual competence or a lack of effort; it was a systemic failure of continuity. We had treated the GMP as a destination, rather than the transition point it truly is.
The Chronology of the "Lost" Project
The erosion of project control typically follows a predictable, yet preventable, timeline.
Phase 1: The Design Consensus (Pre-GMP)
During the design phase, the project environment is characterized by a specific set of controls: a shared risk register, a transparent decision log, and a established coordination rhythm. These controls exist not just in digital documents, but in the collective memory of the team. Because the group is smaller and more intimate, the flow of information is often intuitive.
Phase 2: The GMP Inflection Point
The signing of the GMP acts as a catalyst for a massive personnel shift. The design team begins to wind down, their role shifting toward construction administration, while the construction team ramps up, bringing in new superintendents, project managers, and trade contractors. The pace of work accelerates exponentially.
Phase 3: The Visibility Gap (0–30 Days Post-GMP)
This is where the "handoff gap" occurs. Controls that were transparent to the design team are essentially invisible to the construction team. The data models, accountability workflows, and historical context regarding open risks are not automatically transferred. In the rush to break ground, the "how" of project management is often sacrificed for the "what" of construction progress.
Lessons from the Medical Field: The Cost of Discontinuity
Construction is not unique in its struggle with transitions. The healthcare industry—specifically hospital systems—faced a similar crisis regarding patient transfers between shifts and units. A landmark 2014 study of nine hospitals identified that the "handoff" was the primary juncture where critical information leaked, leading to significant medical errors.
By implementing a structured, standardized handoff program, these hospitals reduced preventable adverse events by 30% and medical errors by 23%. Crucially, this was achieved without increasing the duration of the handoff itself. The takeaway for the construction industry is clear: the risk is not in the work itself, but in the points of transfer where ownership is ambiguous. In a capital project, the information loss is just as expensive as it is in a hospital, manifesting as schedule delays, scope creep, and ballooning change orders.
The Owner’s Burden: Why the "Gap" Persists
In the current project delivery model, the owner is the only constant party present during the transition from design to construction. While the constructor will inevitably stand up their own internal controls, these systems are rarely designed to preserve the owner’s historical design intent or the open risk position the owner carries into the field.
When a constructor tracks their own contingency, they are tracking their specific financial exposure. This is not the same as the owner tracking the project’s total risk position. If the owner does not actively manage the transition of these controls, there is a vacuum of accountability. Research consistently shows that communication efficacy—the degree to which information is successfully transmitted and understood—is the single largest factor in project performance. When the design team leaves and the construction team arrives, the "communication network" of the project is effectively dismantled and must be rebuilt.

The 30-Day Handoff Rule: A Strategic Reframe
To bridge this gap, I have implemented what I call the "30-Day Handoff Rule." This protocol mandates that the moment the GMP is signed, the project enters a specific, controlled mobilization phase rather than a free-form transition.
This process requires an unglamorous, yet essential, checklist:
1. Formal Ownership Assignment
Every control mechanism—from the risk register to the submittal log—must have a named owner from the construction team before work commences. If a document or process from the design phase is no longer needed, it must be formally retired on the record to prevent confusion.
2. Staffing for Volume
The RFI and submittal functions must be staffed to handle the peak volume of the construction phase before the volume actually peaks. Waiting for the RFI log to overflow before assigning a manager is a reactive strategy that guarantees delays.
3. Institutionalizing the Rhythm
Coordination meetings, decision-making forums, and reporting cycles must be scheduled into the team’s calendars before the first "clash" occurs on-site. By clarifying who drives the meeting, who audits the data, and who has the authority to make decisions, you eliminate the "wait time" that kills project velocity.
4. Translating Assumptions
Open design assumptions must be converted into active, named project items. If a decision was made during design that carries a latent risk, that risk must be clearly articulated to the construction team. Failure to do so almost always results in a change order three months later when the assumption is finally tested against reality.
5. Resetting Decision Rights
The hierarchy of authority that functioned during the design phase—where a small, collaborative group could make rapid decisions—must be explicitly reset for the construction phase. As the room fills with new stakeholders, subcontractors, and vendors, the path to a "yes" must be clearly redefined.
Implications for Project Delivery
The cost of skipping these handoffs is rarely immediate; it is deferred. It shows up in the "slow" RFI logs, the missing submittals, and the project manager who spends three weeks chasing a decision because the chain of command was never clarified.
Owners must stop viewing the post-GMP period as a gap between two distinct phases. Instead, it must be treated as a deliverable in itself. The deliverable is continuity.
When we assume that a project will "sort itself out," we are betting against the entropy of complex systems. The window of opportunity to set the culture and control mechanisms for the construction phase closes much faster than most project managers realize.
The handoff is a high-leverage moment: it is incredibly cheap to manage if you prioritize it, yet exponentially expensive to fix if you assume it. For the owner, the GMP is the moment to decide if the project will retain its strategic grip or quietly lose it. By treating the transition as an intentional, managed phase of the work, we can ensure that the momentum built during the design phase is not just maintained, but accelerated into the successful delivery of the final asset.
In the final analysis, the project that succeeds is not necessarily the one with the best design or the lowest bid—it is the one that successfully communicates the "why" and the "how" across the bridge of the handoff.
