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| Link | Country | Year | Total Length [m] | Nominal Diameter DN [mm] | Nominal Pressure PN [bar] | Nominal Stiffness SN [N/m2] | Technology | |
|---|---|---|---|---|---|---|---|---|
| Ostrow Wielkopolski – Grunwaldzka Street rebuild | Poland | 2008 | 42 | 600 | 1 | 10000 | Hobas | |
| Opole, drainage ditch R-12 | Poland | 2008 | 550 | 1200 | 1400 | 1 | 10000 | 5000 | Hobas | |
| Oltaszyn – Stromwater Sewer | Poland | 2008 | 228 | 150 | 200 | 1 | 10000 | Hobas | |
| Oltarzew – hall Wojcik | Poland | 2008 | 210 | 1600 | 1 | 5000 | Hobas | |
| Olsztyn, Towarowa Street – Stromwater Sewer task 1B1a | Poland | 2008 | 132 | 1200 | 1 | 10000 | Hobas | |
| Olsztyn, Leonharda Street Stormwater Sewer – task 1B4 | Poland | 2008 | 657 | 1800 | 1 | 10000 | Hobas | |
| Nowy Tomysl, Olchowa Street – river piping | Poland | 2008 | 347 | 1200 | 1 | 10000 | Hobas | |
| Nowy Tomysl – passage under road | Poland | 2008 | 9 | 1000 | 1 | 10000 | Hobas | |
| Nowy Targ-Pieniazkowice | Poland | 2008 | 138 | 250 | 400 | 1 | 10000 | Hobas | |
| Nowa Sarzyna – Organika | Poland | 2008 | 102 | 400 | 1 | 5000 | Hobas | |
| Murowana Goslina, Cicha, Starczewska streets – samitary sewer | Poland | 2008 | 30 | 600 | 1 | 10000 | Hobas | |
| Morow – retention tank | Poland | 2008 | 1200 | 1 | 10000 | Hobas | ||
| Lodz, Slaska do Rokicinskiej – stage II | Poland | 2008 | 2389 | 800 | 1400 | 1 | 10000 | Hobas | |
| Lodz, Sokolowka | Poland | 2008 | 131 | 800 | 1 | 10000 | Hobas | |
| Lodz, storm overflow – stage I | Poland | 2008 | 120 | 500 | 1000 | 1 | 20000 | 10000 | Hobas | |
| Lublin, Unii Lubelskiej | Poland | 2008 | 748 | 600 | 1400 | 1 | 10000 | Hobas | |
| Lublin, Jana Pawla II | Poland | 2008 | 1282 | 250 | 800 | 1 | 10000 | Hobas | |
| Lublin Weglin | Poland | 2008 | 84 | 200 | 500 | 1 | 10000 | Hobas | |
| Lubin, Zwierzyniecka – Exhibition Centre | Poland | 2008 | 99 | 800 | 1000 | 1 | 5000 | Hobas | |
| Lubin – tanks | Poland | 2008 | 800 | 1 | 10000 | Hobas | ||
| Krzyz Wielkopolski, Marchlewskiego Letnia Streets | Poland | 2008 | 1230 | 200 | 400 | 1 | 10000 | Hobas | |
| Poznan, Krzesiny – airport F-16 – military unit | Poland | 2008 | 317 | 200 | 400 | 1 | 10000 | Hobas | |
| Krosno, Polna Street | Poland | 2008 | 1389 | 300 | 800 | 1 | 10000 | Hobas | |
| Krakow, Kosciuszki | Poland | 2008 | 88 | 400 | 900 | 1 | 10000 | Hobas | |
| Krakow, Ulgi sewer | Poland | 2008 | 12 | 1600 | 1 | 10000 | Hobas | |
| Krakow, Ciolkosza | Poland | 2008 | 138 | 150 | 1000 | 1 | 10000 | Hobas | |
| Krakow, Powstancow Avenue | Poland | 2008 | 125 | 600 | 900 | 1 | 10000 | Hobas | |
| Krakow DTW – stage III | Poland | 2008 | 96 | 1000 | 1 | 10000 | Hobas | |
| Koszalin – building of Sybirakow Street | Poland | 2008 | 4 | 700 | 1 | 10000 | Hobas | |
| Knurow Tolos | Poland | 2008 | 30 | 1200 | 1 | 10000 | Hobas |
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