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Roof waterproofing works (building south west renovation of existing buildings) - (TUT AG) (26-49445)
Dachabdichtungsarbeiten (Anbau Süd West Sanierung Bestandsgebäude) - (TUT AG) (26-49445) — original title
Your path to submission
- Deadline: 17 November at 14:00 — 17 days left.
- You submit on AI Vergabeplattform — not here and not by e-mail. ↗ Free bidder account on the state platform required; electronic submission, usually plain text form. Sort out account and signature first — not on submission day.
- Collect your evidence — the eligibility requirements are listed on this page; for many of them the analysis explains how to obtain them.
Contract
Type of service
Tender documents at a glance
The essentials of the tender documents, checked statement by statement against the documents. For your bid, the original documents count.
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✓ found in the documents · ❓ not found in the documents or general statement
Tender conditions for roof sealing works at Amtsgericht Tuttlingen, Germany
The input text concerns a public construction tender under German law (VOB/A, VOB/B) for roof sealing works (“Dachabdichtungsarbeiten”) at the Amtsgerichtsgebäude in Tuttlingen, Baden‑Württemberg.
It reflects the point of view of a German public contracting authority (Vermögen und Bau Baden‑Württemberg, Amt Konstanz) and describes procedural, technical and contractual conditions applying to bidders based in Germany or the EU.
The documents are VHB standard forms (211 EU, 212 EU, 214, 216, 241, 124, etc.) adapted to this specific project.
Such as in the Aufforderung zur Abgabe eines Angebots (Form 211 EU) and the Verzeichnis der im Vergabeverfahren vorzulegenden Unterlagen (Form 216), the text specifies what bidders must submit with their offer: completed offer letter (213), full priced bill of quantities (Leistungsverzeichnis), price breakdown (221/222), the Eigenerklärung zur Eignung (124) or PQ-number/EEE, declarations on bidder consortia (234), use of other companies (235), potentially Nachunternehmerleistungen (233), declaration on use of timber (248), Stoffpreisgleitklausel (225a), ILO core labour norms (963) and, if applicable, Instandhaltungsvertragsformulare.
Minimum qualification is evidenced via turnover for comparable works (three last years), references for similar projects in the last five years (three references with detailed content), workforce numbers (last three years), registration in trade/handcraft registers, and declarations on insolvency, reliability, and proper payment of taxes and social contributions.
On request and if in the “engere Wahl”, bidders must submit certificates such as tax clearance, social fund clearance, Berufsgenossenschaft clearance, Finanzamt/Steuersachen, Freistellungsbescheinigung nach § 48b EStG, and insolvency plan where relevant.
Such as described in the Leistungsbeschreibung and the Besondere Vertragsbedingungen (214), the scope of the contract covers roof sealing and associated works (including damp proofing, insulation, drains, roof exits, stairs, green roof build-up, waste management, and documentation) for the Amtsgericht Tuttlingen, Werderstr. 8, second construction phase.
Quantities are specified position‑wise in the 43‑page bill of quantities (e.g., m² of cleaning, m²/m/t of hazardous waste handling and disposal, detailed layers of roof build-up).
The place of performance is the existing building (Anbau Süd West, Sanierung Bestandsgebäude).
The time frame is tightly defined: start of execution on 08.03.2027, completion and abnahmereife Fertigstellung by 14.01.2028, with interim contractual milestones (e.g. completion roof sealing 25.06.2027, start Attika cladding 29.11.2027, completion and maintenance of roof greening one year after overall completion).
Such as indicated under “Angebotswertung” and the annex 227 Zuschlagskriterien, the primary award criterion is price (“Zuschlagskriterium Preis”), with the evaluation price being the “Wertungssumme” derived from recalculated offer sums including unconditional discounts, effects of the Lohngleitklausel, and any maintenance offers.
Additionally, offers from recognised workshops for disabled persons receive a 15% bonus in the evaluation; where such an offer is equally economical as another, the award must go to the workshop.
Show all 19 statements
Other qualitative or multi-criteria aspects are referenced by the separate 227 form but, in the 211 extract, are not elaborated beyond mentioning “Mehrere Zuschlagskriterien gemäß beiliegende Anlage”.
Subcontracting and reliance on other companies require prior declaration (233, 235) and later binding commitments (236), with joint liability where economic/financial capacity is borrowed.
The contractor bears extensive obligations regarding hazardous waste handling, being “Zweitabfallerzeuger” with full documentation duties (daily records, weekly reporting to site manager, final waste balance with weigh tickets and permits).
Special project-related conditions include mandatory use of the PlanTeam-Server for communication, obligatory participation in site meetings, preparation of a digital construction schedule within 30 working days of award, security screening (“Zuverlässigkeitsüberprüfung”) for all personnel via LKA before access, restrictions on data and image use due to classification of documents as “VS‑nVD”, and ban on company advertising on site (including a fixed deduction of 200 € for firm name on the site sign).
Water and energy consumption costs are borne by the client and must not be priced in.
Such as indicated in the participation conditions (212 EU), questions and contradictions must be raised “unverzüglich” before bid submission if the bidder finds errors or unclear points in the tender documents, and clarification is to be sought electronically via the platform.
Where multiple documents address the same topic (e.g. waste, documentation, communications), the project-specific supplements (241 Abfall, further special conditions, Leistungsbeschreibung text) prevail over generic wording, provided they do not conflict with mandatory VOB/B provisions.
Only the contracting authority's tender documents are binding. As of: 25/10/2026
Who has won at this buyer so far
Across all contract types of this buyer — not just this sector. A city buys software and fire engines through the same purchasing office.
| Company | Awards | Period |
|---|---|---|
| Trockenbau München GmbH · Puchheim | 3 | 2006–2010 |
| Lindner AG · Arnstorf | 3 | 2008–2013 |
| Lauer Industrieservice GmbH · Seeheim-Jugenheim | 2 | 2007–2010 |
| Gottschild Automatisierungstechnik GmbH · Hofbieber | 2 | 2009–2010 |
| Proklima GmbH | 2 | 2007–2008 |
How often this buyer tenders this kind of work
Tactics
When this buyer has awarded in this sector, there was usually a single bid in the end. A solid bid has a real chance here. (Based on 87 completed awards — not a statement about this procedure.)
This procedure allows 42 days between publication and deadline — typical in this country is 32 (median of 20,071 procedures). Much more generous than usual — time for a thorough bid rather than a quick one.
Foreign bidders
In Germany · Construction work, 687 contracts went to foreign companies over the last 3 years (of 244,229 recorded awards) — mostly from Austria, France, Poland.
How to bid
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