For FAD, an architecture and interior and exterior design firm based in Rome, structural design is part of an integrated process. The goal is not to separate aesthetics and technology, but to establish a dialogue between them from the outset, ensuring that every design choice is functional, controlled, and consistent with the context.

Structural design is necessary whenever an intervention can modify, affect or influence the load-bearing behaviour of a building.

It may be required for new construction, extensions, additions, demolitions and reconstructions, major renovations, openings in load-bearing walls, consolidations, modifications to attics, construction of stairs, mezzanines, terraces, roofs or external structures.

Even seemingly minor interventions can have structural implications. In an apartment, for example, opening a gap between two rooms may affect a load-bearing wall. In a commercial space, installing new systems, suspended ceilings, or fixed furnishings may require load assessments. In an existing building, renovating a floor or renovating an attic may require specific assessments.

For this reason, structural design must be considered from the earliest stages of the design process. Intervening late often means having to correct decisions already made, with consequences for time, costs, and the overall quality of the result.

Structural design follows a complex process, which varies depending on the complexity of the project, the type of building, and the initial state of knowledge.

The first phase is the preliminary analysis. Information is gathered about the property, available documentation, its intended use, constraints, and the project’s objectives.

This is followed by a survey of the current state of the building, necessary to understand the geometry, materials, thicknesses, stratigraphy, load-bearing elements, and general condition of the building.

Next, the structural model is defined, which is the technical representation of the structure’s behavior. This phase identifies the main elements, stresses, loads, and design conditions.

We then proceed with the structural calculation and the static and seismic checks, which allow us to size and check the construction elements.

Finally, the project documents are drawn up: technical reports, structural drawings, executive details, and documentation required for the authorization process and the construction phase.

In a well-coordinated process, these phases are constantly interacting with the architectural design. Every technical decision is also evaluated with respect to the quality of the space, its aesthetics, its functionality, and the final experience of those who will inhabit it.

Site study, constraints and project conditions

Every structural design arises from a specific context.

The site, the building’s location, the terrain, its intended use, the construction system, the seismicity of the area, urban planning constraints, and load conditions directly influence structural choices.

In a new construction, site study allows for the definition of the relationship between the building, foundations, and the terrain. In a renovation, however, attention is focused on the existing structure and its ability to accommodate the planned transformations.

In Rome, this topic takes on particular importance. Many buildings feature historical stratifications, mixed construction systems, load-bearing walls, floors from different eras, and architectural or condominium restrictions. Each project therefore requires careful analysis, combining design sensitivity and technical expertise.

Constraints shouldn’t be seen simply as limitations. If interpreted correctly, they can become part of the project’s identity.

Types of structures: reinforced concrete, steel, wood and masonry

Structural design varies depending on the construction type and materials used.

Reinforced concrete is widely used in contemporary buildings and allows for the creation of durable, versatile structures suitable for various configurations. However, it requires proper sizing of the elements and careful verification of the reinforcement, joints, and connections.
Steel is often used for lightweight structures, extensions, staircases, mezzanines, roofs, and projects requiring rapid execution and precision. Its flexibility allows for contemporary architectural solutions, but requires careful attention to connections, protection, and compatibility with existing structures.
Wood is an increasingly popular solution in contemporary projects, also due to its aesthetic and environmental value. It can be used for roofs, floors, extensions, or lightweight structures, but must be designed with mechanical behavior, humidity, durability, and protection in mind.

Masonry is central to historic buildings and many existing structures. Working on load-bearing walls requires in-depth knowledge of construction techniques, materials, thicknesses, and connections between building components.

The choice of structural system never depends on a single factor. It must take into account safety, context, budget, time, aesthetics, intended use, and design objectives.

Foundations, floors, beams and horizontal structures

Structural design includes all the elements that allow the building to support itself and distribute loads.

Foundations transfer loads to the ground and must be designed or verified based on the site’s geotechnical characteristics. An incorrect choice can lead to subsidence, cracking, and problems over time.

Floors separate the building’s levels and help distribute loads. During renovations, they may require reinforcement, consolidation, or specific checks, especially if new uses, screeds, heavy flooring, fixed systems, or furnishings are planned.

Beams and pillars often form the main framework of a building. Their position affects the distribution of spaces, openings, heights, and the compositional freedom of the design.

The floors, together with the roofs, contribute to the overall stability of the building and must also be evaluated with respect to seismic behavior.

For this reason, structural elements should not be considered merely as technical components. They directly influence the way a space can be designed, experienced, and transformed.

Technical regulations and necessary documentation

The structural design must comply with current technical regulations and the procedures established by the competent bodies.

In Italy, the main reference is represented by the Technical Standards for Construction, updated with the Ministerial Decree of 17 January 2018 and published in the Official Journal on 20 February 2018; the related application circular was published in the Official Journal on 11 February 2019. ( Official Journal )

The documentation may vary depending on the type of intervention, but generally includes technical reports, calculation reports, structural drawings, construction details, material specifications, static and seismic checks, structural filing, or any other paperwork required by the specific case.

For the client, these aspects may seem complex. This is precisely why it’s important to rely on a coordinated approach, where the technical, administrative, and design aspects are managed methodically.

Regulations should not be perceived as an obstacle to the project, but as the framework within which to build safe, correct and feasible solutions.

Structural design documents

Structural design documents translate technical checks into documents useful for the construction of the project.
Key documents may include the calculation report, structural drawings, carpentry drawings, construction details, reinforcement specifications, load-bearing element checks, and construction specifications.
These documents clarify what needs to be done, how it needs to be done, and which controls need to be followed.

In an integrated project, structural drawings must be consistent with architectural ones. A staircase, an opening, a roof, a mezzanine, or a new volume cannot be represented differently at the various design levels.

Coordination between documents reduces errors on the construction site and allows the company to work with greater clarity.

Software, modeling and digital tools

Contemporary structural design uses calculation software, digital modeling, and advanced surveying tools.

These tools allow you to simulate the behavior of the structure, verify the stresses, analyze different scenarios and coordinate the information between the various disciplines involved.

Digital modeling is useful not only for calculations, but also for better understanding the interference between the structure, architecture, and systems. This allows critical issues to be identified before construction begins, reducing unexpected changes and delays.

For Fucine Architettura Design, technology doesn’t replace design sensibility, but rather enhances it. Digital tools, creative research, artisanal attention to detail, and industrial solutions can coexist within a method capable of combining precision and identity.

The result is a more conscious project, in which every choice is verified before becoming construction.

Structural design does not end with the delivery of the documents.

During the construction phase, the planned solutions must be checked, coordinated and, if necessary, adapted to the actual conditions encountered during the works.

In existing buildings, unexpected events are common. A wall may reveal a different stratigraphy than expected, a floor may present hidden problems, and demolition may uncover undocumented elements.

For this reason, coordination between structural design, construction management, construction company, and architectural design is essential.

Integrated management allows you to maintain control over the final result, preventing technical decisions from being made in a fragmented or emergency manner.

In the FAD method, the construction site is an integral part of the design process. It’s where the idea takes shape and where every detail must be assessed against the overall quality of the space.

Structural design in Rome

Structural design in Rome requires particular attention to context.

The city boasts an extremely varied building heritage: apartments in historic buildings, modern buildings, villas, commercial spaces, offices, listed buildings, mixed structures, and buildings transformed over time.

Each project must address specific conditions: load-bearing walls, dated attics, condominium restrictions, urban planning regulations, characteristics of the urban fabric, and the need to preserve the identity of the spaces.

In this scenario, a standardized approach isn’t enough. What’s needed is a method capable of interpreting the building, interpreting the client’s needs, and developing technical solutions consistent with the architectural design.

Fucine Architettura Design works on residential, commercial, office, and outdoor spaces, with a constant focus on the relationship between context, function, and emotion. Even when the structural component is complex, the goal remains the same: to create bespoke spaces, designed to last and to precisely respond to the way they will be lived.

How much does structural design impact
project time, costs and quality?

Structural design significantly impacts the time, cost, and overall quality of the project.
A well-planned technical phase helps prevent errors, variations, construction site interruptions, and improvised solutions. Conversely, underestimating structural aspects can lead to delays, increased costs, and changes that compromise the project’s consistency.

The cost of structural design depends on several factors: complexity of the project, size of the property, available documentation, need for surveys or investigations, construction type, materials, level of detail required, and authorization process.

Rather than an isolated expense, structural design should be considered an investment in the quality of the project.

It allows you to know in advance what’s possible, with which solutions, what limitations, and what implications. This clarity is essential for making informed decisions and approaching the construction site with greater confidence.

Mistakes to avoid in structural design

In structural design, some errors can compromise the quality of the intervention.

The first is working on load-bearing elements without adequate verification. Demolishing a wall, opening a gap, or modifying a floor without knowing the structure’s behavior can pose significant risks.

Another mistake is separating the architectural design from the structural design too late. If the structure is assessed only after the layout, openings, and materials have been defined, the project may require significant adjustments.

Underestimating the initial survey is also a common problem. Drawing on an imprecise basis increases the risk of inconsistencies between the design and reality.

Finally, it’s important to avoid standard solutions applied without considering the context. Each building has its own characteristics, and each intervention requires specific assessments.

Effective structural design stems from method, experience, and coordination. It doesn’t just solve a technical problem, but contributes to the overall quality of the project.