A selection of the most important references:
All the constructions were carried out according to the rules of technolgy and free of faults.
| Alt Duvenstedt 1991-1998: Gas well heads of HDPE, drainage pipe, pipe penetration structures of HDPE, gas collection bar, geo-textiles of HDPE, geo-membrane / plastic layer, mineralic layer, recultivation layer, drainage layer; contract sum: 12.200.000 DM |
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| Alversdorf (LK Helmstedt) 1999: Control shafts, Rohrdurchführungsbauwerke, leachate pipes, collecting pipes; contract sum: 480.000,00 DM |
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| table (31,1 KB) picture 1 (28,4 KB) |
Am Mittelrück 1997-1998: Leachate pipe, collector pipe, gas-drainage, leachate control shafts, run-off monitoring shaft, HDPE/PP-geotextiles, betonite mattress; contract sum: 810.000,00 DM |
| Bassum 1994-1996: Leachate piping, double pipe system, shaft structures, pipe penetration structures; contract sum: 960.000,00 DM |
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| Bielefeld-Senne BA 2 1997: Gas drainage pipe, gas transport piping, pressure pipes, geo-membrane / plastic layer, drainage mattress, gas collection shaft, irrigation shafts; contract sum: 600.000,00 DM |
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| table (30,9 KB) picture 1 (30,9 KB) |
Valve shafts, collector pipe, leachate storage tanks; contract sum: 1.500.000,00 DM |
| table (20,6 KB) picture 1 (34,1 KB) |
Gas well heads, pipes; contract sum: 128.849,67 DM |
| Ecklak 1991: Leachate collecting shafts, gas collection shafts, pump shafts, pressure pipes, drainage pipes, geo-textiles; contract sum: 10.800.000,00 DM |
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| Ecklak 1997: Gas collection station, gas wells, gas collection pipes, drainage pipes, necessary earthworks and works in the contaminated area; contract sum: 820.000,00 DM |
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| table (15,6 KB) picture 1 (24,5 KB) |
Ecklak 1999 BA III: geo-membrane, wind-protection, contract sum: 750.000,00 DM |
| Francop (HH) BA 1,2,3,5 1992-1994: Leachate shafts for harbour silt leachate water; contract sum: 380.000,00 DM |
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| table (28,3 KB) picture 1 (21,3 KB) |
Georgswerder 1990-1994: Control / monitor shafts, pump shafts, by-pass shafts; contract sum: 4.500.000,00 DM |
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Grube Präsident 1999: Control / monitor shafts, pump shafts, revision shafts, shaft, pipe penetration structures, leachate pipe, collector pipe, double pipe system, pressure conduit, protective membrane, geo-membrane / plastic layer, supply / assembling of immersion motor pums, supply / assembling of shaft driving systems; contact sum: 1.500.000,00 DM |
| table (26,1 KB) picture 1 (19,5 MB) picture 2 (16,9 KB) |
Ihlenberg 1992-1994: Gas-leachate combination shafts, shafts, HDPE-pipes, double pressure pipe conduit; contact sum: 4.700.000,00 DM |
| table (32,9 KB) picture 1 (25,3 KB) picture 2 (23,4 KB) |
Ihlenberg 1996-1998: Drainage shafts, shafts, gas wells, HDPE-pipes, geo-textiles, geo-membrane / plastic layer, mineralic layer, installation of earth; contact sum: 4.200.000,00 DM |
| table (25,3 KB) picture 1 (20,1 KB) picture 2 (16,7 KB) |
Kiel-Schönwohld 1994-1996: Drainage shafts, gas collection stations, gas well heads; contact sum: 650.000,00 DM |
| Lechstedt 1997-1998: Gas-outlet-wells, gas drain wells, gas collection station, pump shaft, gas condensate shaft, leachate control/monitor shafts, drain shafts, pipe penetrations, gas collection bar, gas conduit, drainage pipe; contact sum: 600.000,00 DM |
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| Melbeck 1999: geo-membrane / plastic layer for sewage sludge, bentonite mattress protective layer, drainage mattress; contact sum: 60.000,00 DM |
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| Neumünster BA1 1989-1992: Drainage pipes, closed collector pipe, gas pipe, condensate pipes, leachate pressure pipes, operation water supply pipes; contact sum: 5.600.000,00 DM |
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| table (25,8 KB) picture 1 (35,0 KB) |
Neumünster BA2 1992-1998: Drainage pipes, collector pipe, plastic layer, pipe penetrations, anti gas plug, segment ards; contact sum: 3.350.000,00 DM |
| Rastorf 1994-1995: leachate pump stations, pipe penetration structures, drainage pipes, closed leachate pipes, geo-textiles, geo-membrane / plastic layer, geological barrier, mineralic layer, drainage layer; contact sum: 5.900.000,00 DM |
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| Rastorf 1999: Geo-membrane / plastic layer, protective membrane, multicolor geo-textiles, running meters driving with camera of the leachate drainage conduits, flushing arcs, tee-piece, drainage pipe; contact sum: 312.040,00 DM |
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| table(34,1 KB) picture 1 (28,4 KB) |
Rosenow 1996-1998 : Leachate control/monitoring shafts, pump shafts, drainage pipe, double pipe conduit, pressure conduit, gas conduit, transpiration conduit, pipe penetrations, geo-textiles, geo-membrane / plastic layer, mineralic layer, marginal embankments and earthworks, road construction, drainage layer; contact sum: 5.200.000,00 DM |
| Rosenow 1999: Leachate pipe, cuvering, pipe penetration, flushing arcs, driving with camera, geo-textiles, geo-membrane / plastic layer; contact sum: 788.000,00 DM |
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| Salzgitter Diebesstieg 1999: Gas condensate collection shaft, pipes; contact sum: 256.000,00 DM |
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| Salzgitter Diebesstieg BA 1b: Geo-membrane / plastic layer, protective and separating membrane geo-textiles; contact sum: 600.000,00 DM |
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| table(40,3 KB) picture 1(16,9 KB) picture 2(17,1 KB) picture 3(16,2 KB) picture 4(17,2 KB) |
Schwanebeck 1999 lot 2 / phase 1 : Gas condensate separators/traps, revision shafts, gas well heads, gas condensate storage vessel, gas collection stations, stilling/absorption length, pipes, earth and lan excavation, complete pipe trench excavation and refill, electrical installation and switch cabinets for pump shafts and gas collection stations; contact sum: 1.984.643,00 DM |
| Stern-Anklam BA2 1998: Leachate shafts, leachate conduit, leachate ring collection conduit, pipe penetration structures, geo-membrane / plastic layer, geo-textiles; contact sum: 1.000.000,00 DM |
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| Stern-Anklam BA3 1999: Control/Monitoring shafts, pipe penetration structures, leachate pipes, pipes, geo-textiles, geo-membrane / plastic layer; contact sum: 1.145.000,00 DM |
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| Uelzen-Borg 1992-1995: Leachate pipe, closed leachate pipe, HDPE-pressure pipe and conduit, combination shafts, shaft structures, leachate pumping station, pipe penetration structures, geo-membrane / plastic layer, geo-textiles; contact sum: 2.500.000,00 DM |
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| Woltersdorf 1995: Gas collection stations, condensate seperator/trap, gas wells, gas collection pipes, drainage pipes, necessary earthworks and works in the contaminated section; contact sum: 950.000,00 DM |
