Document it before the trench is closed.
SubBaseApp brings site issues, test records and billing together in one place — located by chainage, not by floor. On the phone in the trench, on the desk in the office.
The strip map shows the route from 0+000 to the end of the works. Site issues sit as a point or a section exactly where they belong.
If the utility records expire, the construction release turns red — before the excavator arrives, not afterwards.
Cumulative under VOB (the German construction contract rules), with variations, open items and post-calculation. No second system, no switching between media.
Why the usual construction apps only do half the job in civil engineering
The common tools for construction documentation come from building construction. They locate defects on a floor plan, floor by floor. In civil engineering there is no floor plan. There is a route, a chainage and a stack of permits with expiry dates.
The strip map replaces the floor plan
Every site issue gets a chainage — as a point at km 0+305 or as a section from 0+150 to 0+205. The strip map shows the route, construction sections and the position of the utilities at a glance. One click on the strip creates the issue right at that chainage. If you prefer working on the site plan, you set pins as usual — both views show the same data.
Construction release as a traffic light, not a lever-arch file
Road opening permit, traffic management order, utility records, unexploded ordnance clearance: every permit is tracked with its deadline. If a blocking permit is missing or has expired, the construction release turns red — visible to everyone concerned. Otherwise, you only notice expired utility records when a cable or pipe is damaged.
Test records that match the test method
Compaction under ZTV E-StB, leak tightness under DIN EN 1610, safety inspection under DGUV Regulation 38 — each as its own form with mandatory fields. The test method is mandatory, and the measurement fields follow from it: the static plate load test requires Ev1 and Ev2, the dynamic one requires Evd. Completed records are locked and signed; after that, their content is frozen.
Done is not closed
Subcontractors report “done” — only site management may close an issue. This one rule turns a defects list into a four-eyes procedure. Every change is automatically recorded in the issue’s history: who, what, when. In a dispute, that is the real evidence, not the photo.
Everything in one place — from permit to final invoice
Twelve areas, one interface, one set of data. The recorded hours appear in the site diary, the measurements in the billing, the disposal costs in the post-calculation — without anyone typing anything twice.
How to get started
One hour, at your office or on screen. We look at your processes: which records, which evidence, which billing route.
Your forms, value lists, roles and sites are set up. Bills of quantities are brought in via GAEB import.
One site, one crew, four weeks. Then you decide — based on experience rather than on what a brochure says.
Training for site managers and foremen; subcontractors and clients receive their free accounts.
Technology and operation
- Runs in the browser, without installation. The same application on phone and tablet.
- Hosted either on your own server or in a German data centre.
- A data processing agreement (DPA) under Art. 28 GDPR is included.
- Your data belongs to you: export to Excel and CSV, reports as PDF — at any time and in full.
- Subcontractors and clients work with free accounts. You only pay for your own company’s accounts.
And what is not finished yet
Work is in progress on offline operation with later synchronisation, marking up photos directly on the device, and export to GAEB X31 or REB DA11 for measurements and ISYBAU XML for as-built documentation.
We would rather tell you now than halfway through the project.
Take a look
A demonstration takes half an hour and is run through using your own site — not a sample project.
Robert-Perthel-Straße 72 · 50739 Köln
Phone +49 221 9843000
[email protected]
www.infonet-computer.de/en
SubBaseApp is being developed together with a civil engineering company from the Rhineland. Its processes come from the construction site, not from a requirements specification.