Kris Droszcz, CEO of Rebel DFMA LLC, delves into lessons from hospitality and student housing projects with modular design across the United States, Europe, and Asia
Modular construction is often presented as a faster way to build. Speed, however, is only one part of its value. The bigger opportunity is to create a coordinated design and production system that improves quality, reduces uncertainty, and lets a building move efficiently from concept design through manufacturing, transportation, installation, and completion.
Achieving that outcome requires more than dividing a conventional building into boxes.
Successful modular design must address architecture, structure, building services, manufacturing processes, logistics, procurement, code compliance, assembly sequencing, and interior quality simultaneously. Decisions made during early design can affect thousands of repetitive production activities later in the project.
Through our work at Rebel DFMA LLC on hospitality, residential, and student housing projects in the United States, Poland, Iceland, Denmark, Japan, and India, we have repeatedly seen the same principle confirmed: modular construction performs best when design for manufacture and assembly begins as early as possible.
The Surf Hotel project in Japan: Designing for place and production
The Surf Hotel project in Japan demonstrates the importance of balancing architectural identity with manufacturing discipline.
A hospitality project in a distinctive coastal environment cannot be reduced to a repetitive industrial product. Guests expect a strong relationship to the location, carefully framed views, comfortable rooms, durable materials, and a memorable arrival experience. At the same time, the modular system requires dimensional consistency, repeatable structural interfaces, coordinated service zones, and clearly defined factory scopes.
The design challenge is therefore not to eliminate variation, but to control it.
Guest rooms and other highly repetitive spaces can be manufactured as standardised volumetric modules, while selected areas such as the lobby, restaurant, terraces, circulation spaces, and exterior architectural features can be designed with greater flexibility. This creates a hybrid strategy in which repetition supports the project’s economics without making the building feel generic.
Concentrate standardisation where it creates the greatest value. Rationalise bathrooms, service walls, corridor interfaces, structural connections, and mechanical, electrical, and plumbing systems. Architectural variation can then be introduced through façades, balconies, shading devices, landscape, material palettes, lighting, and public-space design.
This approach allows a modular hotel to remain highly efficient while still belonging to its site and cultural context.
Moxy Marriott Pune: Coordinating brand standards with modular constraints
The design challenges associated with the Moxy Marriott project in Pune, India, illustrate another critical issue: hotel brand standards must be translated into manufacturable elements.
International hotel brands typically maintain detailed requirements for room dimensions, furniture, finishes, lighting, acoustics, mechanical systems, bathroom layouts, technology, and guest experience. These requirements are often developed independently from the constraints of a specific modular factory.
The modular design team must reconcile the two.
A brand-standard room layout may need adjustment to accommodate module widths, transportation limits, structural wall thicknesses, corridor connections, ceiling service zones, and factory installation tolerances. A seemingly minor change to a bed wall, bathroom entrance, fan-coil location, or ceiling bulkhead may affect architectural drawings, structural framing, mechanical routing, electrical coordination, finishes, procurement, and factory sequencing.
Mock-up modules are especially valuable in this process. They allow the team to test room proportions, finishes, service access, acoustic separation, lighting, furniture clearances, and installation procedures before full production begins.
The most important lesson is that mock-ups should not be treated only as visual samples. They should be used as full technical prototypes.
Each mock-up should confirm whether the room can be manufactured in the proposed sequence, whether workers can access all connections, whether building services can be tested in the factory, whether finishes can withstand transportation, and whether maintenance teams can access equipment after the hotel opens.
Resolving these questions before production can prevent costly modifications across hundreds of guest rooms.
Lessons from student housing and hotels across multiple markets
Student housing and hotels are strong candidates for modular construction because both rely on repetitive rooms, standardised bathrooms, coordinated service zones, and predictable furniture layouts. However, our experience in New York, Rhode Island, California, Poland, Iceland, Denmark, Japan, and India shows that a successful modular solution cannot simply be copied from one market to another.
Each location introduces different requirements. Dense urban projects may face limited staging space and complex installation logistics. California projects require careful coordination of seismic, energy, accessibility, and transportation requirements. Northern European projects demand strong thermal performance, airtightness, moisture control, and durable façades. Projects in Japan and India must respond to local codes, construction practices, brand standards, climate, and cultural expectations.
The key lesson is to standardise the building’s underlying system, not every aspect of its architecture. Structural grids, module interfaces, bathrooms, service zones, and connection details can be repeatable, while façades, public spaces, engineering systems, and material choices should respond to the site, market, operator, and local regulations.
Best practices for modular design and build
1. Engage the manufacturer early
Involve the factory before the design is substantially complete. Waiting until the construction-document phase often leads to extensive redesign because the architectural concept may not align with the factory’s equipment, labour process, supply chain, module dimensions, or certification requirements.
Early factory engagement allows the team to design around actual production capabilities rather than theoretical assumptions.
2. Establish a modular basis of design
Every project should begin with a documented modular basis of design. This should identify module dimensions, transportation limits, structural systems, fire-resistance strategy, acoustic criteria, service zones, façade interfaces, factory completion levels, site completion scopes, connection principles, and installation tolerances.
Without this document, architects, engineers, manufacturers, and contractors may work from different assumptions.
3. Freeze repetitive areas first
Guest rooms, student rooms, bathrooms, kitchens, and service walls usually generate the greatest repetition. Coordinate and approve these areas early so procurement and production planning can begin.
Late changes to repetitive modules are exponentially more expensive than changes to unique site-built areas.
4. Design the connections, not just the modules
A modular building succeeds or fails at its interfaces.
Teams must coordinate module-to-module connections, vertical and horizontal service connections, façade transitions, corridor closures, roof interfaces, waterproofing, fire-stopping, acoustic seals, structural load transfer, and tolerance management.
A detailed module is not enough if the connection between modules remains unresolved.
5. Separate factory scope from site scope
Assign each component a clear installation location: factory or site.
Ambiguity creates duplicated work, missing materials, damaged finishes, procurement gaps, and disputes between the manufacturer and general contractor. Develop scope matrices for architecture, structure, mechanical systems, electrical systems, plumbing, fire protection, finishes, furniture, testing, and commissioning.
6. Design around the production sequence
Shop drawings should reflect how workers will build the module, not merely how the completed module will appear.
The design team must understand framing sequence, wall closure, service installation, inspection points, testing, finishing, packaging, transportation, lifting, and site assembly. A technically correct detail may still be unsuitable if it cannot be assembled efficiently on the production line.
7. Use BIM as a manufacturing tool
Building information modelling should support clash detection, quantity extraction, procurement, shop drawings, CNC data, production sequencing, quality control, and as-built documentation.
The model must contain reliable information and clearly defined levels of development. A visually impressive model is not automatically production-ready.
8. Create a formal change-control process
Modular production depends on repeatability. Once production documents are released, evaluate changes for their impact on materials, labour, engineering, certification, completed modules, and the production schedule.
Every change should identify who requested it, why it is necessary, which modules are affected, and how cost and schedule implications will be managed.
From architecture to manufacturing
At Rebel DFMA LLC, we work at the intersection of architectural design, engineering coordination, modular manufacturing, and project delivery.
We support developers and investors who want to design modular buildings from the ground up, beginning with site analysis, feasibility studies, planning, concept design, modularisation strategy, building layouts, brand integration, code coordination, and full design development.
We also work directly with modular factories in the United States that require production-oriented design services, including DFMA development, BIM coordination, modular detailing, shop drawings, assembly drawings, material coordination, prototype development, and factory implementation support.
Our role is not simply to prepare drawings. It is to translate a building design into a coordinated manufacturing system.
That translation is where many modular projects either create value or lose it.
The future of modular construction will not be defined only by larger factories or faster production lines. It will depend on stronger integration between developers, architects, engineers, manufacturers, contractors, and operators.
When those teams collaborate early, modular construction can deliver more than speed. It can provide repeatable quality, cost predictability, safer working conditions, reduced material waste, improved building performance, and architecture that remains responsive to its place, users, and purpose.
Originally published by the Modular Building Institute in the Sept/Oct 2026 issue of Modular Advantage magazine.
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