ERP for structural steelwork and building fabrication
CE marking under EN 1090, execution classes, factory production control and management by project: the ERP for workshops fabricating frames, façades, architectural metalwork and prefabricated elements destined for erection on site.
Structural steel
- Project budget, variation orders and valuations
- The EN 1090 file built while fabricating
- From the steel grade to the erected assembly
A project, not a production run
The work is won on tender. The price is fixed from a technical specification, often with variants, sometimes before the fabrication drawings exist. Between that price and the first plate cut, several months pass and several people intervene: that is where the costing starts to drift, quietly, assembly by assembly.
Nothing repeats. Each project has its own budget, its own phasing, its own interim valuations and its own variation orders. A frame, a façade and balustrades from the same operation follow neither the same workshop route nor the same erection schedule, yet they all fall into a single profit and loss account, that of the site.
An ERP designed for series production reasons by part number and annual quantity. It rarely knows how to say what a project actually cost, nor what a variation order signed during fabrication added to the original budget.
EN 1090: what the workshop must be able to prove
A steel or aluminium structure placed on the European market carries CE marking under EN 1090. The client sets the execution class, from EXC1 to EXC4, and that class governs the rest: extent of inspection, requirements on welded joints, level of qualification required.
Factory production control (FPC) presumes that every weld is tied to a qualified welding procedure (WPS, qualified to EN ISO 15614), to the welder who carried it out and to the validity of their qualification (EN ISO 9606), and that the steel used stays tied to its EN 10204 3.1 inspection certificate. This information almost always exists in the workshop. It is rarely in the same place on the day the notified body asks for it.
AVIA ERP ties the welding operation to its qualification and refuses clocking by a welder whose qualification has expired, keeps material certificates at batch level and the lineage through to the assembly despatched, and versions bills of material and routings by drawing revision so that work in progress does not switch to a definition it never followed.
What a workshop delivering to site expects from its ERP
- Project budget, variation orders and valuationsThe tender price and the variation orders form the site budget. Purchases, works orders, booked hours and subcontracting attach to it, and invoicing follows the interim valuations rather than a theoretical milestone.
- The EN 1090 file built while fabricatingExecution class carried by the project, welds tied to procedures qualified to EN ISO 15614 and to welders qualified to EN ISO 9606, with clocking blocked as soon as a qualification falls out of validity.
- From the steel grade to the erected assemblyEN 10204 3.1 certificates tied to the batch of sections or plates and kept through to the assembly delivered. The items called for in the as-built handover file are produced from the system instead of being reconstructed at the end of the job.
- Subcontracted galvanising and powder coatingAssemblies leaving for and returning from the galvaniser or the coater are tracked as a routing operation: what has gone, what has come back, what is still missing at loading time.
- Erection phasing and despatchFabrication scheduled by project phase and despatches tied to those phases. Site returns, snags and remedial parts come back onto the project as non-conformances, together with their closure.
The direct benefits for your industrial company
The tender price survives fabrication
The budget followed is the one that was sold, variation orders included. The variance reads during the job, not at final account.
Factory production control rests on data that already exists
Qualifications, material certificates and inspections are tied to the assemblies as they are produced, not gathered as the audit approaches.
What leaves the workshop matches what erection expects
Despatches follow the phasing of the site. A missing assembly shows at loading rather than at the foot of the building with the crane waiting.
Surface treatment stops being a blind spot
Assemblies sent for galvanising or powder coating stay visible in work in progress, with their destination project and their expected return.
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