Completed International Case Study

1,800 m² Aircraft Maintenance Hangar in Salzburg, Austria

Location: Salzburg, Austria Type: Aircraft Hangar Floor Area: 1,800 m² (19,375 sq ft) Scope: Supply + Supervision Status: Completed (2024)
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Eurocode 3 & 8 Certified Engineering
EN 1090-2 Factory Quality Control
40ft HC Container Packing & Flat-Pack Export
100% Bolted Field Assembly (Zero Site Welding)
42 Meters
Clear Opening
Full-width column-free gate
7.5 Meters
Clear Door Height
Multi-leaf sliding hangar door
Zone 4
Alpine Snow Load
Rigid tubular box truss
ÖNORM
Civil Aviation Passed
Austrian Ziviltechniker approved

Project Technical Summary

Structural Technology Clear-Span Heavy Tubular Steel Box Truss
Steel Grade & Coating S355J2H Hollow Sections per EN 10210
Location & Country Salzburg, Austria (Austria)
Floor Area (m²) 1,800 m² (19,375 sq ft)
Delivery Scope Supply + Supervision
Key Engineering Result Erected flawlessly; passed rigorous Austrian civil aviation and structural inspection with zero remarks.

Delivered Technical Scope

  • ÖNORM EN 1993 engineering dossier approved by Austrian Ziviltechniker
  • 42m clear-span structural steel roof trusses and support columns
  • Hangar door top-guide and bottom-rail structural interface steelwork
  • On-site engineering supervision during critical roof lift
✓ 100% factory pre-engineered and quality-inspected under EN 1090-2 execution standards.

The Project Challenge & Engineering Solution

How our structural engineers tackled complex site constraints, wind/seismic forces, and strict deadlines.

The Project Challenge

42-meter column-free opening with a 7.5-meter clear door height, engineered for heavy alpine snow accumulation (Zone 4) and bottom-rolling hangar doors.

The SerBuild Engineering Solution

Constructed a high-depth structural box header truss supporting the multi-leaf sliding hangar door system, designed with thermal break isolators.

Structural Mechanics & Finite Element Blueprint

Detailed static modeling, load dissipation paths, and statutory regulatory validation.

Structural Engineering & Detailing Analysis

Clear-Span Heavy Tubular Steel Box Truss • S355J2H Hollow Sections per EN 10210

Located adjacent to Salzburg Airport in an intense Alpine snow belt (Zone 4), this 1,800 m² aircraft maintenance hangar required an unobstructed 42-meter clear opening with 7.5m clear door height for corporate jet access. Our structural team designed a massive structural steel box header truss utilizing S355J2H circular and rectangular hollow sections (CHS/SHS) with integrated thermal break brackets supporting bottom-rolling sliding hangar door top-guides.

European Eurocodes & Standards Compliance

Verified structural calculations matching national building regulations and Eurocode annexes.

ÖNORM EN 1993-1-1

Austrian Steel Standard

Long-span tubular truss stability and hollow section joint punch resistance.

ÖNORM EN 1991-1-3

Alpine Snow Zone 4

Severe roof snow accumulation up to 3.8 kN/m² calculated per Austrian Annex.

EN 12424

Hangar Gate Wind Class 4

Dynamic wind resistance on 42m x 7.5m multi-leaf sliding hangar gate system.

ÖNORM EN 1090-2 EXC3

Execution Class EXC3

100% ultrasonic weld testing on tubular node joints and CE certification.

End-to-End Execution Lifecycle: BIM to Site

Seamless workflow from 3D parametric Tekla BIM to automated CNC pre-fabrication and job-site erection.

01

ÖNORM 3D Modeling & Ziviltechniker Approval

Full structural engineering dossier reviewed and stamped by Austrian chartered civil engineers.

02

5-Axis CNC Pipe Cutting & Robotic Welding

Precise tubular saddle bevels, SA 2.5 shot-blasting, and Level II ultrasonic testing.

03

Segmented Heavy Road Transport

Trusses delivered in 12m modular segments with internal splice bolts to Salzburg airfield.

04

Tandem Crane Hoisting & Commissioning

Ground pre-assembled 42m box truss lifted into place by tandem mobile cranes in a single day.

Technical Bill of Quantities & Deliverables Matrix

Comprehensive breakdown of delivered steel superstructure components, secondary framing, envelope, and dossier.

42m Header Truss
S355J2H Tubular Box Truss
High-depth space truss supporting roof loads and hangar door top guides.
Hangar Door Steelwork
Integrated Guide Rail Tracks
Precision bottom rails embedded in concrete with heated de-icing wire conduits.
Secondary Purlins
Heavy Galvanized Purlins
Continuous high-strength roof purlins engineered for 3.8 kN/m² alpine snow.
Roof & Wall Enclosure
Insulated Standing Seam Deck
Non-combustible mineral wool warm roof package with acoustic liner trays (Rw 48 dB).
Engineering Sign-Off
Austrian Aviation Compliance
Full civil aviation structural sign-off dossier, 3.1 mill certs, and CE marking.
“

The 42-meter clear span box truss lifted into place seamlessly. It passed Austrian Ziviltechniker and civil aviation inspections with zero remarks.

Maximilian Hofer
Chief Operations Officer • Alpine Aviation Maintenance GmbH

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Frequently Asked Questions

Detailed answers to technical, manufacturing, export, and on-site assembly questions.

SerBuild designs and manufactures light gauge steel (LGSF) and heavy structural steel buildings for residential developments, industrial warehouses, manufacturing factories, aircraft hangars, commercial offices, and agricultural halls.

Yes. All structural engineering is performed strictly according to Eurocodes (EN 1990, EN 1991, EN 1993, EN 1998) including project-specific National Annex parameters for local snow, wind, and seismic loads.

We offer five flexible delivery packages: Engineering Only, Supply Only (containerized flat-pack kit), Supply with On-Site Supervision, Complete Frame Installation, and Turnkey Project Delivery in eligible regions.

Components are precision roll-formed or cut, permanent piece-marked, and packed in dense weather-protected flat-pack bundles optimized for 40ft High Cube containers, accompanied by detailed 3D packing lists and assembly manuals.

Submit your project location, building dimensions (width, length, eave height), intended use, and any available architectural drawings or sketches via our 5-step RFQ form. Our engineering team reviews the submission and responds within 24–48 hours.

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