Published
Tunnel-Scanning zwecks Bauwerksprüfung nach BOStrab in Anlehnung an die DIN 1076 im Prüfabschnitt E der Kölner Stadtbahnanlagen
Notice number: ocds-mnwr74-25739830
KEY INFORMATION
- Submission deadline
- • Sep 21, 2026
- Location
- 🇩🇪 Germany
- Contracting authority
- Stadt Köln - Amt für Recht, Vergabe und Versicherungen
- Accepted Languages
- German
- Tender type
- Contract Value
- Published date
- Aug 22, 2026
TENDER DESCRIPTION
This tender seeks a contractor for the structural inspection of Cologne's subway systems, specifically within inspection section E, utilizing a tunnel-scan procedure in accordance with RI-EBW-PRÜF 10.5.2. The core scope involves comprehensive laser and thermographic scanning of approximately 8.5 km to 12 km of track, conducted during low-traffic night shifts over one working week or five night shifts in the first or second quarter of 2027. Key technical requirements include the provision of an offline-functional, locally installable software with German menus, compatible with Windows 8, 10, and 11, capable of real-time comparison, simultaneous display of optical and thermal images, editable block boundaries, and detailed damage mapping by a VFIB-approved structural engineer, ensuring specific crack detection resolutions. The contract's execution period is from January 4, 2027, to December 31, 2027, with the complete scan and mapping file, including damage evaluation, due within 14 calendar weeks following the on-site scanning.
TENDER BRIEF
The contract timeline includes an execution period from January 4, 2027, to December 31, 2027. A key phase mentioned is the scan work, which is to be carried out in the first, or at the latest, in the second quarter of 2027. This scan work is planned for one working week or five night shifts.
Sources
- 1Aufforderung_Angebotsabgabe_National.pdf — “Severinstraße Haltestelle Poststraße Strecke Poststraße - Neumarkt Haltestelle Neumarkt Strecke Neumarkt - Appellhofplatz Haltestelle Appellhofplatz Strecke Appellhofplatz - Dom/Hbf Haltestelle Dom/Hbf Strecke Rathaus -…”
- 21 - Leistungsbeschreibung Scanarbeit PA E-V3.pdf — “Scan- bild oder thermographisch-Scan nicht definierbar sind) Nachdem die Schäden unter Layer gruppiert wurden, müssen alle Schäden in einer Befundtabelle sortiert werden können. Diese Tabelle hat folgenden Funktionen zu…”
The core scope of work for this tender is the structural inspection of Cologne's subway systems using a tunnel-scan procedure. Specifically, it involves tunnel scanning for structural inspection in accordance with RI-EBW-PRÜF 10.5.2 in inspection section E of the Cologne subway systems.
The high-level summary of the Statement of Work and core deliverables includes:
- Inspection of the scan vehicle by KVB.
- Scanning of the route using laser and thermographic procedures as per RI-EBW-PRÜF 10.5.2. The scanning will cover approximately 12 km if conducted on every track, or about 8.5 km if only on one track in multi-track tunnels under specific conditions. This work must occur during low-traffic periods, typically Monday to Friday between 01:30 and 03:45, excluding weekends and holidays. The scanning is scheduled for one working week or five night shifts in the first or second quarter of 2027.
- Accommodation costs for personnel for up to 5 working days.
- Creation of scan files, including route and block definitions.
- Mapping of damages by a VFIB-approved structural engineer.
- Delivery of the complete scan and mapping file, including full representation of scan routes, block definitions, and damage evaluation, within 14 calendar weeks after the on-site scanning.
- Provision of a program with a license for visualizing scan results and presenting findings. This program must support sorting and filtering damages by various criteria (e.g., type, location, dimensions), allow for multi-selection and editing of damages, and enable export of the damage table to Excel. For printing, it must support exporting image files by block boundaries and export to CAD programs (DXF and/or DWG formats).
Optional deliverables, activated under specific conditions, include:
- Additional round-trip travel of the inspection vehicle to Cologne, including personnel, if initial services cannot be completed within the first 5 working days and a return trip is necessary.
- Additional costs for overnight stays, including the inspection vehicle, if the initial services are not completed within the first 5 working days.
Sources
- 11 - Leistungsbeschreibung Scanarbeit PA E-V3.pdf — “Stadt Köln Amt für Brücken, Tunnel und Stadtbahnbau Willy-Brandt-Platz 2, 50679 Köln Leistungsbeschreibung Projekt: Bauwerksprüfung in Kölner Stadtbahnanlagen mittels Tunnel-Scan-Verfahrens Tunnel-Scanning zwecks Bauwerk…”
- 2Leistungsverzeichnis.pdf — “2026-0003-693-20 Tunnel-Scanning zwecks Bauwerksprüfung nach BOStrab in Anlehnung an die DIN 1076 im Prüfabschnitt E der Kölner Stadtbahnanlagen Öffentliche Ausschreibung Leistungsverzeichnis Ausfüllhinweise: Sie müssen…”
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Unlock tender brief for freeTENDER DOCUMENTS
DIRECTORY • 179 FILES
- Bü-001 - Rampe Mülheimer Brücke M2.pdf197 KBPDF
- S-9 3 - Rampe Mülheimer Brücke M2.pdf124 KBPDF
- 3181-Flachsroster Weg I F 1a.pdf1.4 MBPDF
and 172 other documents
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