
In BIM, a deliverable can look correct and still create problems the moment it reaches the team that has to use it.
The model opens, the documentation has been issued, the files meet basic checks, and at first glance everything seems ready. But when questions start to appear, last-minute adjustments pile up, inconsistencies show up across views, and extra coordination hours begin to accumulate, it becomes clear that passing those checks does not always mean being ready for delivery.
And from a leadership perspective, that difference matters far more than it may seem.
It translates into rework, lower predictability, coordination delays, pressure on teams, and above all, into something much harder to recover: client trust. When a deliverable forces the receiving team to reconstruct, reinterpret, or correct information, the problem extends beyond the model. It becomes operational, financial, and reputational.
Quality goes beyond basic compliance: it creates value
The PMBOK® Guide (Eighth Edition) links quality to the degree to which the characteristics of a deliverable or process contribute to meeting or exceeding project objectives. Applied to BIM, this invites us to examine the requirements we have defined and whether they reflect how the receiving team will use the information. The review therefore considers both technical compliance and the deliverable’s ability to support the decisions and work required at that project stage.
A deliverable is not reliable simply because it is ‘organized’, ‘clean’, or ‘well modeled’. Its reliability also depends on whether the receiving team can use it with clarity, without avoidable ambiguity or unnecessary downstream corrections. In other words, whether it serves the purpose it is supposed to fulfill at that stage of the project.
There is a meaningful difference between asking whether a file ‘looks right’ and asking whether it is ready for a DD or CD submission, whether the documentation can support the next coordination step, whether decisions are sufficiently reflected, and whether the person receiving the material will find information that is consistent, clear, and usable.
That is where quality connects technical conditions with tangible value for the project. At Blend, we bring that perspective into our model and documentation reviews. Our DD/CD QA/QC checklist helps structure those checks, make open items visible, and record what needs to be resolved before delivery.
In BIM, one move rarely affects just one piece
In BIM, as in chess, a move rarely affects only one piece. A seemingly small action can alter relationships across the board.
Think about a simple, everyday example: a door type is changed. At first glance, it seems like a limited decision. Yet that adjustment can affect family geometry, plan representation, tag consistency, door schedules, coordination with other disciplines, and the adjacent conditions of the space where that door is placed.
The issue is that this change may not create an immediately visible error. The model may still ‘look fine’ in one isolated view while, somewhere else in the deliverable, a contradiction has already appeared. By the time that contradiction reaches construction, coordination, or the client, the effort required may extend well beyond correcting the original detail.
That is why, in a mature BIM practice, quality requires more than a superficial review or last-minute validation. It needs a method that recognizes how adjustments can affect related information and identifies what must be checked again.
What we review before every delivery
At Blend, the reliability of a BIM deliverable is supported by two complementary reviews, bringing together perspectives on model health and documentation quality.
The first review focuses on the technical health of the model. Through a BIM Coordinator, the BIM department reviews aspects such as file size, family structure and consistency, and compliance with applicable internal or client-specific standards. This review helps assess whether the digital foundation is coherent and suitable for continued production.
The second review focuses on the deliverable as a documentation package. Architectural Services and the production team review whether what is being issued consistently responds to what was requested: which sheets should be included, whether graphic criteria and client standards are being followed, and whether the package meets the requirements agreed for that project stage.
That distinction matters. A model may be technically well built and still fail to meet documentation requirements. The opposite can also happen: documentation may appear complete while relying on a model that is difficult to maintain or prone to generating further inconsistencies.
Reliability is strengthened when those two reviews work together. As a Project Leader, I use a DD/CD QA/QC checklist to keep track of both: what has been reviewed, which observations remain open, who is responsible for addressing them, and what evidence supports their closure. That shared record helps the team follow each issue through to resolution and identify what needs to be checked again after a change.
From correction to process control
This approach also changes the conversation at the leadership level.
When quality is treated only as error detection, review often appears late, as a final filter. When it is managed throughout production and checked before each relevant delivery, its contribution becomes broader.
It can reduce rework by identifying problems before they spread, improve coordination by revealing contradictions between model and documentation, and increase predictability by reducing dependence on last-minute corrections. It also supports the client’s experience by providing information that is more consistent, clearer, and easier to use.
The opportunity is to deliver with less friction, less strain on teams, and greater confidence in the information being shared.
For an architecture, engineering, or consulting firm, this has implications for operational efficiency, reputation, and scalability. Clear QA/QC criteria help translate individual expertise into a shared review process that can be applied across teams.
They also make open questions visible. What has been reviewed? What changed afterward? Which observations remain unresolved, and who is responsible for addressing them? A reliable delivery decision depends on understanding these conditions and their potential consequences.
A small change will often affect a wider sequence of work. The objective is to recognize those effects before they pass unnoticed into the next stage.
Check. Mate? A resource to review before delivery
That is the thinking behind the resource we developed to support this process.
Check. Mate? is a QA/QC checklist for DD and CD stages, designed to help teams review model health, documentation consistency, and delivery readiness.
It provides an adaptable structure for acceptance criteria, reviewers, observations, and evidence of resolution. Teams can reference the change or decision behind a review and use Recheck Required to identify controls that need renewed attention after an update.
Its value depends on how each team adapts it to the project’s scope and standards, follows up on findings, and verifies the outcome. Recording an observation makes it visible; assigning responsibility and checking its resolution turns that record into a basis for action.
In BIM, as in chess, the consequences of a move may extend beyond what first catches the eye. A timely review helps us understand the new position and decide how to proceed.
Download the Check. Mate? checklist and bring a clearer, more consistent review process to your next BIM delivery.
Ready to Blend With Us On Your Next Project?
José Ignacio Stang
Project Leader at Blend. Architect and PhD in Architecture and Urbanism with experience leading BIM projects for US architecture firms. His background combines design development, technical documentation and QAQC, with a strong focus on maintaining design integrity across every project phase. He also teaches at the Universidad Nacional de Córdoba, bringing a research perspective to everyday project delivery.