Rohrbau Gas u. Trinkwasser

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The subject of the invitation to tender is the award of a framework agreement for the execution of ongoing construction, maintenance, repair and fault rectification works on facilities and networks for gas, water and district heating supply as well as on house connections. The services include in particular earthworks, pipeline construction, installation and restoration of surfaces, as well as remedying damage and faults in the supply network. The scope of services also includes providing an on-call and fault-disposal service for the short-term securing and restoration of supply in the event of faults and emergencies. The placing of work orders and the invoicing of the individual services shall be carried out as required on the basis of the agreed bill of quantities and the unit prices specified therein. Preliminary quantities (reference values) - up to d-50 approx. 250m d 63 approx. 120m - up to d 90 approx. 100m - > d 90 <= d 180 approx. 300m - > d 180 <= d315 approx. 150m - Cast-iron/steel pipeline construction for gas/drinking water (open construction method): <= DN 80 approx. 40m - DN 100 50m - DN 150 40m - DN 200 40m - DN 250 approx. 30m Relining with PE-HD,…

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