经验报告

• Old installations – a ticking bomb?
• Refurbish pumping station shafts: Uncomplicated replacement of old equipment
• Improved security for working in manholes – safe opening and access
• Bayonne in France brings their old well shafts for potable water supply to a state-of-the-art level
• New drinking water reservoir for the town of Senden
• Stormwater tanks with effective flood protection in the Principality of Liechtenstein