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Disclosure: Gewerkton is built by our publisher — we build it ourselves and write down what we learn.
StrongMocha News Group · Series “Gewerkton in Action” · Vertical: Structural & Civil Engineering
Gewerkton in Action · Structural & Civil Engineering
From Excavation to Change Order — Won by Diff, Not by Memory
Berkholz Hoch- und Tiefbau GmbH: 85 employees, three crews, one site management team — and one recurring dispute over cubic meters.
The disputed volume
2,412 m³
Excavation volume calculated as a prismatoid in Studio — with the full calculation path visible, replacing estimates reconstructed from delivery slips.
Change order prep
2 wks → 1 day
From two weeks of file work to one afternoon: a model diff plus cover letter instead of an essay written months after the fact.
Notices of hindrance
On time
VOB deadline calculator counts the public holidays of the correct federal state — Saturday counts, ending “one working day late” claims.
Studio · The pit calculates itself
Elevation points from the official terrain model (DGM1); pit drawn with slope angle. Foundation depth changes? New volume in one click.
Field · Concreting with proof
Voice documentation (“base slab, field three, C25/30”) with DWD weather data attached — the February frost temperature curve lived in the construction diary.
Cloud · Stakeout without detours
Wall axes go straight to the foreman’s total station as a point list — no transposed digits typed from plans.
“We used to lose change orders because our best evidence was a folder of delivery slips. Today we send a diff.”
— Managing Director, Berkholz GmbH (fictional)
Fictional case study; figures are illustrative. Source: own reporting · gewerkton.com
A mid-sized shell and civil engineering contractor replaces handwritten measurements and gut feeling with a model that calculates — and negotiates change orders with diffs instead of memories.
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The fictional Berkholz Hoch- und Tiefbau GmbH, 85 employees, builds residential quarters and commercial halls on the outskirts of a major city. Three crews, one site management team constantly shuttling between construction sites.
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The Starting Point
The classic dispute: the excavation pit was larger than specified in the tender, the bedrock came sooner, and the change order is reconstructed months later from delivery slips and memory. Burden of proof: felt like it was always on the shell contractor.
Studio: The Excavation Pit Calculates Itself
In Gewerkton Studio, the site manager sets elevation points — or loads them directly from the official terrain model (DGM1). The excavation pit is drawn with slope angle, and the excavation volume appears in the plan, calculated as a prismatoid: 2,412 m³, with the calculation path visible. If the structural engineer changes the foundation depth, the new value is one click away — and the change order is a model diff, not an essay.
Field: Concreting with Proof
The crew documents by voice: “Concrete pour, base slab, field three, C25/30, start at eight o’clock.” Gewerkton Field automatically attaches DWD weather data to the day — when the discussion about curing broke out during the frost period in February, the temperature curve was already in the construction diary.
Cloud: Stakeout Without Detours
The wall axes from Studio go directly to the foreman’s total station as a point list. No typing from the plan, no transposed digits — and the deadlines for notices of hindrance are calculated by the VOB deadline calculator with the public holidays of the correct federal state.
The Numbers from the Scenario
– Excavation volume disputed → documented: 2,412 m³ with calculation path instead of estimate – Change order preparation: from 2 weeks of file work to 1 afternoon (model diff + cover letter) – Notice of hindrance: on time instead of “one working day late” — Saturday counts
“We used to lose change orders because our best evidence was a folder of delivery slips. Today we send a diff.”
—
Fictional case study: company, people, and figures are invented and serve for illustration purposes. The basis is the target build-out of the Gewerkton platform (Field, Studio, Cloud, Archive, Operations). Gewerkton is a voice-first platform for construction documentation and defect management for global markets — with the deepest integration into German construction standards (GAEB, REB, XRechnung, DATEV), 27 content languages, and regional AI provider choice.
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