Chartered structural engineering · BIM/Revit · FEM · Slovakia

Structural design
that can actually
be built.

We design load-bearing structures for houses, apartment buildings, industrial halls, refurbishments and special structures — safely, clearly and in a way that can be built. We combine chartered structural engineering, BIM/Revit design, advanced analysis and details that work on site.

SKSI I3BIM/Revit workflowFEM analysisReinforcement drawingsTimber trusses
Request a structural quote See our work

or call: +421 904 359 282

BIM
Model, drawings and data kept in step
IFC
Open exchange of project data
FEM
Models matched to the complexity of the task
PhD
Research background and technical depth
Most common requests

What clients come to us with

Detached house

Structural design for a house

New build, added storey, conversion.
Demolition

Opening in a load-bearing wall

Assessment and design of the lintel.
Refurbishment

Assessment of an old building

Diagnostics of load-bearing structures.
Architect

Checking the structural system

Spans, thicknesses, load-bearing elements.
Contractor

A detail on site

A quick answer during construction.
Reinforcement

Reinforcement drawings

Legible and accurate drawings.
BIM / IFC

BIM model and coordination

Revit, IFC, coordination across disciplines.
Second opinion

A second opinion on a design

Independent structural review.
Who we work for

Who we work for

01
Architects

A structural system without needless conflicts

We help verify spans, slab thicknesses, the position of load-bearing walls, penetrations and coordination between disciplines while the design is still taking shape.

Investors and developers

A safe and economical design

We compare structural options and look for the one that makes sense in terms of safety, cost and buildability.

Construction companies

Clear answers for the site

We deal with construction queries, changes during the build, alternative details and technical advice on the actual problem.

Private clients

Houses and refurbishments

We handle the structural design of a new build, an added storey, a conversion, an opening in a load-bearing wall, or the assessment of an existing structure.

Structural manufacturers

Timber trusses and steel members

We prepare the calculations, load checks, bearing details and documentation that fabrication and erection can actually use.

Design practices

Extra capacity and specialist reach

We can help with analysis, a BIM model, reinforcement drawings, a design review or a specific FEM task.

Our approach

We use BIM
as a working tool,
not as a visualisation.

In a BIM environment we build a model of the load-bearing structure that can be used for coordination, clash detection, drawing production and the rest of the project. The goal is not a good-looking 3D model but a technically usable basis for design, construction and checking.

Where it makes sense, we can prepare a model carrying information about the structure, materials and reinforcement so that it stays useful after the building is finished.

Model of the load-bearing structure

A three-dimensional structural model linked to drawings, schedules and coordination with architecture and services.

Clash detection

Clashes between structure, penetrations and services are resolved in the design — not on site, where changes cost more.

Link to analysis

The model is not a picture on its own. We use it as the basis for analysis, coordination and design checking.

Reinforcement drawings

Reinforcement is detailed so that both the designer and the contractor can read it. We pay attention to layers, annotation, details and checking.

Coordination between disciplines

We work with the architect, the building-services engineer and the lead designer through DWG, IFC or Revit, depending on what the project allows.

GFRP and new materials

Expertise in non-corroding GFRP reinforcement, backed by doctoral research and an experimental programme.

Scope of work

Services

02

Reinforced concrete structures

Foundations, slabs, walls, columns, beams, stairs and reinforcement details. Structural calculations and drawings for both permitting and construction.

Steel structures

Design of steel members, connections, beams, columns, frames and secondary steelwork, with the emphasis on details that can be fabricated.

Timber structures

Roof structures, timber floors, structural systems, anchorage and connection details. The design follows both the architecture and what the builder can deliver.

FEM and advanced analysis

For demanding tasks we use three-dimensional FEM models, non-linear analysis and methods proportionate to the risk and complexity of the structure.

BIM & reinforcement drawings

Modelling of structures and reinforcement in Revit. Outputs are prepared for coordination, checking and real use on site.

Automation

We develop our own Python and pyRevit tools for repetitive work, schedules, reinforcement and document checking.

Trussed roofs

Analysis of trussed roofs, checks on loading, bearings and bracing, and the documentation needed for fabrication and erection.

Assessments and diagnostics

Structural assessment of existing buildings for refurbishments, new openings, added storeys, layout changes or increased loading.

Technical consulting

Advice for architects, investors and contractors on the structural system, details, alternatives and construction queries.

How we analyse

Technology behind the design

03
Revit / BIM

Model, drawings and coordination

We use Revit for the structural model, drawing production, reinforcement, detail checking and data exchange.

Advanced FEM

Global models and assessments

For more complex structures we build a three-dimensional model and work through load combinations and design effects.

Non-linear FEM

Non-linear analysis of concrete

For specific tasks we can use non-linear models, cracking, material non-linearity and expert assessment.

Python / pyRevit

Our own automation

Routine steps in Revit and in reinforcement drawings are automated with tools we wrote ourselves. Less repetition, more checking.

Eurocodes

Design to the applicable standards

Calculations and assessments follow the relevant standards, with the emphasis on back-checking and a clear technical justification.

Engineering judgement

The model must match reality

Software is only a tool. What decides the outcome is the right simplification, the boundary conditions, the loading and the interpretation of the results.

A digital practice

One model — from survey to drawings

·

The whole structural design sits on a single three-dimensional model. Analysis, reinforcement and documentation all come straight out of it — the routine work is taken over by our own Revit tools and AI-assisted checks. This way of working is still uncommon in Slovakia.

01 PODKLADYPDF · DWG · zameraniearchitektúra a existujúci stav 02 BIM MODELRevit · LOD 300–400nosná konštrukcia v priestore 03 VÝPOČETpokročilé FEM / FEMcelá stavba v jednej sieti 04 VÝSTUŽprút po prúte v modelikrytie, kotvenie, kolízie 05 DOKUMENTÁCIAvlastné Revit nástrojeznačenie, kóty, výkazy 06 KONTROLAAI asistované kontrolykonzistencia výkresov
  1. Survey data — PDF, DWG, survey of the existing structure
  2. BIM model — Revit, LOD 300–400, the structure in three dimensions
  3. Analysis — advanced FEM analysis, the whole building in one mesh
  4. Reinforcement — modelled bar by bar: cover, anchorage, clashes
  5. Documentation — our own Revit tools: tagging, dimensions and schedules generated automatically
  6. Checking — AI-assisted consistency checks of drawings and reports
Reinforcement at LOD 400 IFC exchange with the architect In-house tool development for Revit AI in both preparing and checking documentation
BESCon Tools
We build our own tools for Revit.

Our own tools cut routine errors, keep reinforcement drawings consistent and speed up document production. For you that means a cleaner and more reliable result.

Consistent reinforcement drawings

Uniform tagging, layers and annotation across the whole project.

Fewer routine errors

Repetitive steps are done by tools, not by hand — less room for mistakes.

Faster documentation

Automated schedules and tagging cut the production time.

Clearer for the site

Drawings that both the designer and the contractor can follow.

Evidence of work

Our work

04
References without the theatre

Where a project cannot be published in full, we show anonymised output with no client-sensitive data. The point is to show how we think, the standard of the documentation and the technical depth of the design. Buying an older house? What to check (in Slovak) →

Physical model of the structure of a house with a timber roofFEM model of a house including the roof and pergolaLoads applied to the analysis model of a houseReinforcement model of the ring beams and floor slab of a houseReinforcement of the gable wall of a houseReinforcement of the strip foundations of a houseRender of the structure of a house with a pergolaGable wall of a house with its ring beamStrip foundation of a house with the pergola posts
BIM / Case series
House — from model to reinforcement
The whole sequence on one project: the structural model, the loading, and the reinforcement of ring beams, floor slab, gable and foundations.
Three-dimensional FEM model of a house including the timber roofFEM model of a house — view of the roof planesDetail of the finite element mesh of walls and roof with window openings
FEM / Timber roof
A house and its roof as one whole
Walls, floors and roof in a single mesh — the house is assessed as a whole, not element by element.
Apartment building — structural model with modelled reinforcementPhysical model of the structure of an apartment buildingAnalysis mesh of the structureAnalysis mesh — view from the other sideAnalysis model with boundary conditions — front viewAnalysis model with boundary conditions — rear viewStructural frame — slabs, walls, columns and foundationsReinforcement of floor slabs and walls in the modelDetail of reinforcement at a structural joint
BIM / Case series
Apartment building — from model to reinforcement
One building in five steps: the physical model of the structure, the analysis mesh, the structural frame, reinforcement modelled bar by bar, and the model with its boundary conditions. The same model carries both the analysis and the drawings — nothing is drawn twice.
Four-point bending test of a concrete beam with GFRP reinforcementDetail of the loading rollers during a beam testThree surface treatments of GFRP barsRig for long-term loading of beams with GFRP reinforcement
Research / GFRP
GFRP reinforcement — research and testing
Long-term testing of concrete beams with GFRP reinforcement at the Slovak University of Technology. We apply what we learn wherever steel would corrode. GFRP reinforcement in concrete (in Slovak) →
3D model of a hipped trussed roof of a houseTruss setting-out plan with dimensionsTruss fabrication with nail plates on the lineFinished trusses ready for dispatch
Timber / Trusses
Trussed roof — from model to fabrication
A 3D model of the roof, the setting-out plan and truss fabrication. Reactions are tracked truss by truss — the basis for the ring beam and the anchorage. Timber trussed roofs (in Slovak) →
Crack in a masonry pier below a reinforced concrete slabCrack in masonry — detail from a site inspectionCracks in a floor slab recorded during a site inspectionCorrosion staining at a base plate of a floor structureDegraded column edge with exposed reinforcementOpening-up of a flat roof build-up during diagnostics
Assessment / Diagnostics
Site inspections and structural defects
Cracks in masonry and concrete, corrosion, degraded surfaces and opening-up — a documented record of the actual condition is the basis of any assessment and repair design. When is a crack serious? (in Slovak) →
Column reinforcement cage before the pour — view from aboveDetail of tied reinforcement barsCorner reinforcement cage of a wall with formworkDouble slab mat with spacers and test specimensSlab reinforcement over the formworkSite with wall formwork and reinforcement in place
Construction / Concrete
Reinforcement on site
Checking the reinforcement before the pour — column cages, slab mats, laps and spacers against the drawings.
Fresh precast units with test specimensSteel moulds for test cubesDetail of the reinforcement cage of a precast unitChecking reinforcement with a tape before the pour
Production / Precast
Precasting and quality control
Unit production, concrete placement and test specimens — the structural design carries on into the factory.
Client feedback · translated from Slovak

What clients say

·
★★★★★
Structural assessment of an older house

"Mr Blaho got in touch himself and kept in contact throughout. He explained in detail how it would work, the inspection happened on the date promised, he explained everything in terms I understood and proposed measures I will certainly carry out."

Juraj H.
★★★★★
Structural assessment of a flat — refurbishment

"Prompt and trouble-free communication, an inspection in person and comments incorporated for the housing association. A very pleasant, customer-focused approach."

Ľudmila F.
★★★★★
Structural assessment of a partition wall

"Deadlines kept, a professional approach."

Tomas M.

Verified customer reviews — 5.0 ★ on Daibau.sk

Founder & lead structural engineer
Ing. Stanislav Blaho, PhD. — founder of BESCon
Ing. Stanislav Blaho, PhD.
Chartered civil engineer for structural design · SKSI I3

BESCon — Blaho Engineering Solution for Construction — was set up to bring practical structural engineering, BIM design and analysis tools together into documentation people can actually use. We are not an anonymous drawing office. Behind every design there is a named engineer who understands the analysis, the detail and the construction.

Specialisation: reinforced concrete, steel and timber structures, reinforcement drawings, BIM/Revit, FEM analysis, assessments and technical consulting.
SKSI I3ŽBSteelTimberBIMRevitFEM analysisPythonGFRP
Academic background
PhD · Slovak University of Technology in Bratislava, Faculty of Civil Engineering
Research into the behaviour of concrete members reinforced with GFRP under long-term loading and in different environmental conditions.
Department of Concrete Structures and Bridges · experiments · long-term loading · FEM modelling
Analytical depth
Experience from testing, non-linear models and concrete design feeds straight back into everyday structural work.
Not every job needs a complex model. But every job needs the right model.
Practice & authorisation
SKSI I3 authorisation for structural design. Focus on project documentation, buildable details, BIM workflow and technical consulting.
Reinforced concrete · steel · timber · BIM · FEM · pyRevit/Python
Process

How we work together

05
01

You send the documents

PDF, DWG, IFC, photographs, a site plan or a short description of what you intend. For refurbishments, photographs of the existing structure help as well.

02

We assess the scope

We establish the type of structure, the risks, the level of documentation required and which outputs will be needed.

03

You receive a quote

We propose the scope, the programme and the price, based on the type of building, the quality of the information and the output you need.

04

We produce the design

We prepare the analysis, the model, the drawings or the assessment. On larger jobs we coordinate as we go.

05

We settle the details

We coordinate the design with the architect, the client, the other disciplines or the contractor so that it works in practice.

06

We hand over the documentation

Outputs are delivered in the agreed scope for permitting, construction, checking or further use.

Common questions

FAQ

06

What do you need in order to quote?

Ideally floor plans, sections, elevations, a site plan and the architectural design as PDF/DWG/IFC, plus a short description of what you intend. When do I need a structural assessment? (in Slovak) →

Do you take on houses?

Yes. New builds, refurbishments, added storeys, extensions and work on load-bearing walls. Can I remove a load-bearing wall? (in Slovak) →

Can you work through Revit or IFC?

Yes. We work with BIM models and can coordinate the structural design through Revit/IFC, depending on what the project allows.

Do you produce reinforcement drawings?

Yes. For reinforced concrete we prepare both the structural calculations and the reinforcement drawings.

Can you review another engineer's design?

Yes. We provide structural audits, design reviews and independent second opinions where something is unclear or could be optimised.

How long does it take?

It depends on the scope and on the quality of the information. Smaller buildings often take a few weeks; larger projects are programmed individually.

Want a faster quote?

Send as much as you can straight away: floor plans, sections, a site plan, DWG/IFC, photographs, the level of documentation you need and your expected programme.

Send enquiry
Contact
Send us your project
and get a
quote

Send the basics — floor plans, sections, elevations, DWG, PDF or IFC. We will come back with a realistic estimate of scope, programme and next steps.

Emailbescon@bescon.sk
Phone+421 904 359 282
OfficeA. Hlinku 4866, 921 01 Piešťany
former Tuzex building · 2nd floor
Registered officeBESCon s. r. o., Belehradská 71/3, 831 04 Bratislava
Company ID57 033 218
Tax ID2122550683
VAT IDSK2122550683 under §7a
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We will reply as soon as we can. Attachments and drawings can follow by email to bescon@bescon.sk.