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SPIDER® develops advanced technical designs for permanent and temporary fall protection systems, in compliance with UNI 11560:2022 and the specific technical standards for anchorage devices. The design of fall protection systems is supported by structural verifications according to Eurocodes and national Construction Technical Standards.
The service covers all phases: preliminary analysis, executive design, structural calculation, graphic documents, and technical file.
Technical survey and preliminary analysis
Characterization of the load-bearing structure and roof covering
Identification of access points and safe paths on the roof
Assessment of possible fall scenarios and the actual fall factor
Identification of installation points compatible with geometries and intended use
Definition of the anchor layout according to UNI 11560:2022
Selection of devices (type, materials, certifications)
Evaluation of the device–structure interaction
System modeling to verify required clearance height and compatibility with spaces and use modes
The checks include:
determination of maximum forces transmitted to the structure by the fall protection system
verification of fixing points according to reference standards (e.g., Eurocodes and NTC)
local analysis of the support using SLS/ULS methods
possible FEM analysis for complex structures or custom-designed solutions
Executive drawings with plans, sections and construction details
Assembly diagrams for qualified installers
Technical file compliant with UNI 11560:2022 and complete with all attachments
Roof Technical Document (ETC)
When standard solutions on the market are not suitable for the structure’s characteristics or for specific operational needs, we design and manufacture tailor-made special products: completely customized anchor devices and fall-protection systems, engineered according to technical criteria and compliant with current standards.
These solutions address typical needs of complex environments such as irregular roofs, historical buildings, non-standard steel structures, industrial plants and spaces with particular geometries.
The development of bespoke special products follows a rigorous engineering process:
Preliminary analysis of the operational context and structural constraints.
3D CAD modelling to define the geometry of the device.
FEM analysis to assess stresses, deformations and load distributions.
Calculation of loads transmitted to the structure according to NTC and Eurocodes.
Verification of safety factors and compatibility with the supporting structure.
Preparation of construction drawings for manufacturing.
Preparation of technical documentation (manuals, instructions, data sheets, technical file).
Design compliant with the most up-to-date technical standards.
High-level expertise in local structural verification for anchor devices.
Complete documentation for installation, testing and periodic inspections.
Reduced risk of non-compliance and greater technical reliability.
Support for engineering firms, HSE managers and site supervisors in all project phases.
