IWB, TBA Tiefbauarbeiten Eulerstrasse 2026 Tender
IWB Industrielle Werke Basel
In context
This is a contract notice published by a government body covering construction and works. Delivery covers Switzerland (CH-BS). It is classified under Engineering and Infrastructure against the sustainability taxonomy rather than matched on keywords.
This tender procures civil engineering (Tiefbauarbeiten) works for utility network infrastructure on Eulerstrasse in Basel, as listed by IWB Industrielle Werke Basel. A local civil contractor with trench and excavation capacity, likely an SME or subcontractor, fits the scope, though the listing gives little detail on the specific network or climate purpose.
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About this tender
IWB Industrielle Werke Basel is procuring civil engineering works (Tiefbauarbeiten) at Eulerstrasse in 4057 Basel, Switzerland, under an open procedure. The scope is described as civil engineering work in the tender documentation and is classified under CPV 45221250 (civil engineering works excluding tunnels, shafts and subways). The work is itemised against the Swiss Normpositionen-Katalog (NPK) standard building descriptions, covering site setup, demolition, utility installation, excavation, sub-base layers, kerbs and paving, surfacing, rail track works, drainage and sewers. The contract is performed under a works contract (Werkvertrag) and a construction programme (Bauprogramm) defined in the tender documents. Execution runs from 03.01.2027 to 30.12.2027. The contract may not be extended. The tender documentation is available only to registered and logged-in users of simap.ch. Full technical specifications, quantities and the detailed contract terms are therefore not visible on the public notice.
Bidder eligibility
The public notice states that eligibility criteria are specified in the tender documentation, which requires simap.ch registration to access. Known requirements from the notice include: acceptance of the works contract and construction programme; proof of liability insurance; proof of safety arrangements for civil engineering works; confirmation of the Unternehmererfahrungswertsystem (UEWS, contractor experience value system); confirmation of staff knowledge tests; a concept under the new Bauarbeiterverordnung (BauAV); confirmation of compliance with Basel-Stadt norms and guidelines; VAT registration; e-invoicing capability; compliance with the IWB supplier code of conduct; registration on the IWB supplier portal; sanctions-free confirmation; a subcontractor organisation chart and subcontractor control confirmation; and checks against SECO lists. Relevant references from the bidder (Referenz Anbieter) are also requested. Subcontractors and bidding consortia are permitted.
How bids are scored
Award is based on two criteria. ZK1 Angebotspreis (offer price) carries 60% weighting, with a maximum of 6000 points. ZK2 Unternehmererfahrungswert (contractor experience value) carries 40% weighting, with a maximum of 4000 points. Scoring details are in the tender documentation.
Key requirements
- ✓Civil engineering and trench works on Eulerstrasse, Basel
- ✓Scope details and specifications not provided in listing
- ✓Closing date 16 November 2026
Procurement contact
The notice names a procurement contact for clarification questions.
CPV codes
Relevant sectors
About this sector
Climate-related engineering and infrastructure covers water and wastewater systems, flood defences, transport and rail, electricity networks and environmental studies. Almost all of it is public procurement for design, studies and works, often under framework agreements. Bidders are usually assessed on technical capacity, professional accreditation and delivery of comparable schemes.
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