Line pipe for water & wastewater
Selected references
Drinking water pipeline Schweinfurt - Wonau (Germany) | Stadtwerke Schweinfurt GmbH (customer) / W. Markgraf GmbH & Co. KG (pipe layer) in cooperation with IFK Gesellschaft mbH
Product | Line pipes for drinking water |
Dimensions | 406.4 x 6.3 / 323.9 x 5.6 mm |
Steel grade | L235 |
Total length | 9 km 406.4 mm, 1 km 323.9 mm |
Coating / lining | PE / CM |
Year of delivery | 2020 |
Special features | Laying of 7 km by ploughing, 500 m by milling and 200 m by HDD method |

Donaudüker (Danube culvert) Deggendorf (Germany) | Pfaffinger Bauunternehmung GmbH / Waldwasser, Wasserversorgung Bayerischer Wald (enduser)
Product | Line pipes for drinking water |
Dimensions | 406.4 x 8.0 mm |
Steel grade | L355 |
Total length | 2 x 400 m |
Coating / lining | HDPE, GRP-coated / CM |
Year of delivery | 2020 |
Special features | Project-specific combination of wall thickness and steel grade |
Renovation St. Pauli Elbtunnel (Germany) | ALPE Kommunal- & Umwelttechnik GmbH & Co. KG (Austria)
Product | Drinking water pipeline |
Dimensions | DN 300 |
Steel grade | L235 |
Total length | Approx. 400 m |
Coating / lining | PE / CM |
Delivery year | 2014 |
Special features | Slender pipe joint designed for space-saving installation |
Drinking water pipeline Atlantic coast (France) | SPREAD (End user: Vendée Eau)
Product | Line pipe for drinking water |
Dimensions | DN 500 |
Steel grade | L235 – L355 |
Total length | Approx. 14 km |
Coating / lining | HDPE (of which 350 m with additional PP coating) / CM |
Delivery year | 2017 |
Special features | Section of 350 m passes under a channel |

Hintertux glacier, Zillertal valley in Tyrol (Austria) | ALPE Kommunal- & Umwelttechnik GmbH & Co. KG
Product | Line pipe for drinking water |
Dimensions | DN 150 - DN 300 |
Steel grades | L245NB - L360NB |
Total length | Approx. 20 km |
Coatings / lining | PE, FCM / CM |
Delivery years | 2004 - 2016 |
Special features | Line pipe for artifical snow systems |

Drinking water pipeline Brac – Hvar (Croatia) | Pomgrad (pipe layer) / Hvarski vodovod (Kroatian water supplier)
Product | Drinking water pipeline |
Dimensions | DN 406.4 x 10 mm |
Steel grade | L360NB |
Total length | 5.5 km (750 t) |
Coating | FCM-S with T-ribbing |
Delivery year | 2013 |

Pipe line for drinking water project (Germany) | Zweckverband Wasserversorgung Bayrischer Wald
Product | Line pipe for drinking water |
Dimensions | 323.9 x 4.5 mm |
Steel grade | L355 |
Total length | 9,500 m |
Coating / lining |
HDPE (of which 1,200 m with additional VESTAMID coating) / CM |
Delivery year | 2011 |
Special features | Pipe-laying using the plowing technique |

Brine pipeline Wilhelmshaven (Germany) | NWKG
Product | Line pipe for water |
Dimensions | 168.3 - 508 mm |
Steel grade | L360NB |
Total length | Approx. 10 km |
Coating | LDPE, HDPE |
Delivery year | 2011 |
Special features | WT 8 - 14.2 mm, blast furnace cement with special thickness 10 mm |

Extinguishing Water Pipeline Lower Inn Valley Railway Route / Brenner Base Tunnel (Austria) | ALPE Kommunal- & Umwelttechnik GmbH & Co. KG
Product | Line pipe for water |
Dimension | DN 200 |
Steel grade | L235 (St 37) |
Total length | 38 km |
Coating / lining | PE / CM |
Delivery years | 2011 / 2011 |

Siegerlandhütte, Stubai Alps (Austria) | Deutscher Alpenverein
Product | Water pipes for hydro-electric power plant |
Dimension | DN 125 |
Steel grade | P235GH (St 37) |
Total length | 350 m |
Coating / lining | Galvanizing |
Delivery year | 2010 |
