Summary
Machine-generated summaryThe Wahnbachtalsperrenverband (WTV) is procuring roof renewal works for an operational building at a pumping station and water reservoir in Alfter-Gielsdorf. The buyer supplies drinking water to the Bonn, Rhein-Sieg and Eifel-Ahr regions. The project involves replacing an approximately 610 square meter flat roof, including its 30-year-old membrane, with a 10-degree pitched zinc roof with a 1-meter overhang and external gutter. Works include site setup, demolition, repairing corrosion on the ring beam, carpentry, roofing, and facade cladding. The structure will support a future photovoltaic system. Small construction businesses can bid.
Description
Official source
Source: Vergabemarktplatz NRW (open data satellites)
Always verify details on the official notice.
Last verified against Vergabemarktplatz NRW (open data satellites) 1 month ago
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Recent awards
Change history
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Act now
- Submission deadline: Moved 1 day EARLIER: now August 12, 2026, 09:00
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Read before bidding
- Submission deadline: Extended by 1 day: now August 12, 2026, 11:00
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Market context
- Avg. open tender · Construction work
- €31,565,900
- Buyer track record on Aperlena
- 9 notices tracked · 2 awarded
- €180,000 in awarded contracts
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