Open Trench

Link Country Year Total Length [m] Nominal Diameter DN [mm] Nominal Pressure PN [bar] Nominal Stiffness SN [N/m2] Technology PDF
Plovdiv bul. Bulgaria and North Collector Bulgaria 2007 1040 1400 | 1600 | 2200 1 5000 Hobas
Silistra, Ajdimir, Sewerage Bulgaria 2007 168 1200 | 1400 1 10000 Hobas
Varna, Reconstruction of main water line for potable water Bulgaria 2007 168 1400 6 10000 Hobas
Razgrad, Sewerage Bulgaria 2007 290 800 1 10000 Hobas
Balchik WWTP Bulgaria 2007 208 350 | 400 | 600 | 800 1 10000 Hobas
Kavarna, Sewerage Bulgaria 2007 778 700 | 800 | 1200 | 1400 1 10000 Hobas
Razgrad, Factory Amilum – industrial water drainage sewerage Bulgaria 2007 68 700 | 1100 1 10000 Hobas
Sofia, Residential Park Lindner – waste water drainage sewerage Bulgaria 2007 595 500 | 600 | 700 1 10000 Hobas
Inverted siphon Hamm Germany 2007 87 1600 Hobas
Transportation of wastewater to the collector of Stara Zagora’s waste water treatment plant Bulgaria 2007 2375 800 | 2000 1 10000 Hobas
Austrian ECO – power plant pipeline Austria 2007 2080 1400 1 | 6 10000 Hobas
Waste Water Treatment at the French Atlantic Coast with HOBAS Restrained Pressure Pipes France 2007 24500 200 | 500 10 10000 Hobas
Wastewater Pipeline extension in city of Minsk Belarus 2007 428 2000 1 5000 Hobas
650 m long penstock pipeline running to a hydro power station in Brescia Italy 2007 650 1500 | 1600 1 10000 | 64000 Hobas
Potable Tanks in the Northern Limestone Alps Austria 2007 2400 1 5000 Hobas
Clean Water for the Baltic Sea Russia 2007 2180 1200 | 2000 1 5000 Hobas
Storm Water Sewer Pipes for Verona Installed in Mictrotunneling Italy 2007 210 900 1 10000 | 32000 Hobas
French Highway Secured in Tailor-Made HOBAS GRP Pipes France 2007 685 1200 | 2400 | Non-Circular 1 5000 | 10000 Hobas
Reconstruction and Extension of the Sewer Network in Debrecen Hungary 2007 12000 350 | 1400 | Non-Circular 1 10000 Hobas
GRP Wastewater Pipeline Along the Mediterranean Coast in Izola Slovenia 2007 4200 400 10 10000 Hobas
GRP Sewer Crossing Beneath Railway Installed by Trenchless Pipe Jacking in Great Britain United Kingdom 2007 12 900 1 64000 Hobas
Wastewater Pipeline for Samsung Factory in Trnava Slovakia Slovakia 2007 2400 1000 1 10000 Hobas
Sv. Nedjelja, Bestovje – Novaki Croatia 2006 1050 400 | 500 | 1000 1 | 1 | 1 10000 | 10000 | 10000 Hobas
Zagreb, Domovinski most III Croatia 2006 1785 150 | 300 | 400 1 | 1 | 1 10000 | 2500 | 2500 Hobas
Krapina, Nova Zapad Croatia 2006 1382 300 | 400 1 | 1 5000 | 5000 Hobas
Bjelovar, collector D Croatia 2006 1724 500 | 600 | 700 1 | 1 | 1 10000 | 10000 | 10000 Hobas
Gospic Croatia 2006 1864 200 | 300 | 400 1 | 1 | 1 5000 | 5000 | 5000 Hobas
Sv. Nedjelja Croatia 2006 4448 400 | 500 1 | 1 10000 | 10000 Hobas
Krapina Croatia 2006 1074 400 | 500 1 | 1 5000 | 5000 Hobas
Grobnik Croatia 2006 3978 300 | 400 | 500 | 600 1 | 1 | 1 | 1 5000 | 5000 | 5000 | 5000 Hobas