IWB, on-call service for welding work on the district heating network
Official title in German: IWB, Pikettdienst Schweissarbeiten Fernwärmenetz
IWB Industrielle Werke Basel needs 24/7 on-call welding and minor pipeline work across its district heating network to restore repairs quickly and protect network availability and security of supply.
- Deliverables
- Welding and minor pipeline work cover network dimensions DN 10, DN 500 and networks from 90°C to 230°C.
- Contract
- A framework contract uses individual orders; payment is by item rates, with no guaranteed volume.
- Eligibility
- Provide two completed network-pipeline references, each worth at least CHF 100 000.00 ex VAT; six ISO 9606-1-qualified on-call welders are mandatory.
- Award
- Price weighs 50%; sustainability and welders’ experience 20% each, and qualified-welder headcount 10%.
Documents for your bid
- Ausschreibungsunterlagen final.zipTender documents · 36.3 MB
- Ausschreibungsunterlagen.zipTender documents · 36.3 MB
Key dates
- 20.10.2026Published on simap.ch
- 06.11.2026Questions round
- 16.11.2026, 09:00Submission deadlineDeadline in 20 days
- 16.11.2026Bid opening
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Notice text
View on simap.ch
Unofficial reproduction. The German text below is taken unchanged from SIMAP notice no. 45764. Only the official notice is binding.
Gegenstand der Beschaffung ist die Ausführung punktueller Arbeiten betreffend Schweissarbeiten und Pikettdienst 24/7 im gesamten Fernwärme Verteilnetz von IWB in Basel.