STEINSTEIN HTHT ReferenceReference listlist 4040 yearsyears ofof experience…experience…

4-5 This was the beginning.

Dear interested party!

At this moment you are looking through our references!

Here you will fi nd a list of all the companies and the different projects for which we were allowed to put our expertise at work.

Cooperation and sharing of experience – these basic principles make it possible for us to guarantee a good service. 18-19 We construct diaphragm walls as well as customary cut-off walls It continues like this! or cut-off walls containing sheet piles or beams. Barettes also be- long to our line of work.

Our vast experience also allows us to work out customized solu- tions for the specifi c problems of our customers.

…at…at oneone glance.glance. 24-25 We also accomplished this!

42 You can contact us in this manner. 4 Joh. Keller GmbH Jo h. K e ll e r G m b H This was beginning. the T h hesitate to contact us. We answer will us. all gladly your questions. tocontact hesitate donot any information, please youdesire that detailed case In the P this kind ofrisk-bearing work. in We walls. diaphragm enjoy toperform toconstruct ling we started W walling.phragm manner Inthis we ofdia- unintentionallycranes. trade the learned Keller skilled and labourers GmbH. crawler with We out helped also W i lease look through our building projects on the next pages. pages. next onthe our building through look lease projects s was beg the e supplied concrete, reinforcement and guide-walls toJoh. reinforcement and guide-walls e supplied concrete, hen Joh. Keller GmbH ceased their activities in diaphragm wal- their activities hen Joh.Keller GmbH ceased i nn i ng.

5 STEIN HT 6 94Germany 1974 Germany 1967 94Germany Germany 1974 1974 Germany Austria 1974 Germany 1974 Finland 1974 Finland 1973 Germany 1973 Germany 1973 Germany 1973 Germany 1973 Germany 1972 Germany 1972 Germany 1971 Germany 1970 Germany 1970 Germany 1970 Germany 1970 Germany 1969 1968 erCutyPromoter Country Year München Joh. Keller GmbH Frankfurt Joh. Keller GmbH Mannheim Ph. Holzmann AG Renchen Joh. Keller GmbH München Joh. Keller GmbH Wien Joh. Keller GmbH Frankfurt Joh. Keller GmbH Finland Pohjavaistus Finland Pohjavaistus Neu -Isenburg Grundbau Fundamenta Neu -Isenburg Grundbau Fundamenta Neu -Isenburg Grundbau Fundamenta Bremen Joh. Keller GmbH Hamburg Joh. Keller GmbH Bremen Joh. Keller GmbH Frankfurt Grundbau Fundamenta Frankfurt Joh. Keller GmbH Frankfurt Joh. Keller GmbH München Held +Francke AG /Fundamenta Frankfurt Joh. Keller GmbH Frankfurt Joh. Keller GmbH •2.5001260 • 2.800 14 60 LZB Bremen LZB •4001160 60 LVA Stuttgart •2.3001360 60 13 •2.1001260 60 2.000 14 •2.5001660 2.800 14 •4001260 2.500 • 100 • 60 11 • 1.000 10 •8.5001660 1.000 •1.8001360• 60 • 14 •2.5001560 2.000 •2.2001360Landeszentralbank•1.8001260• •1.8001440Diaphrgam Kassel wall 2001 50 18 42.000 • 8001 50 50 16 18.000 15 8.000 • • Cut - off wall

Baretts

Surface [m²]

Depth [m]

Width [cm] Bad AiblingBad communication centre Site Iffezheim nuclear power station Düsseldorf AG Karstadt Iffezheim wall -off cut Gambshausen wall -off cut Wien store department Bielefeld store department Sweden forces armed Finland Tampre Mainz power station Braunschweig AG Horten Hamburg Rasch store department Bremen AG Horten Frankfurt Bleistraße Ravensburg store department München Paulaner Brewery München AGKaufhof Frankfurt Savoy -Hotel

7 STEIN HT 8 96France Germany 1976 Germany 1976 1976 95 Germany 1975 96Germany Germany 1976 Germany 1976 Germany 1976 Germany 1976 Germany 1976 Belgium 1976 Germany 1976 Germany 1976 Germany 1976 Germany 1976 Germany 1976 Germany 1976 Germany 1975 Germany 1975 Germany 1975 Germany 1975 1975 erCutyPromoter Country Year Saarbrücken Modernbau Renchen GKN Keller GmbH Hamburg GKN Keller GmbH Essen Frankfurt Pfahlbau und Grund- Bauer Grundbau Essen Becker München /Moll KG K.Bauer ARGE Schrobenhausen Karl Bauer KG Düsseldorf +WidmannDyckerhoff AG Hamburg Joh. Keller GmbH Stuttgart Ed. Züblin AG Duisburg Hochtief AG Frankfurt Grund -und Pfahlbau Köln Grün +Bil Bergshöpen AG Preussag Hamburg Joh. Keller GmbH Essen Joh. Keller GmbH Mettmann AG Preussag Nürnberg Grün +Bil GmbH &CoKG Herne Baugemeinschaft Bielefeld Grün +Bil fi fi fi nger nger nger 0 46 savings bank Koblenz 60 14 •1.3001040 500 •1.5001260• • 1.200 13 60 ARGE Moachia ARGE München 60 Marubeni Düsseldorf 80 13 60 1.200 11 metro Brussels Anderlecht 2.000 29 •4501260 100 11.800 • 24 • 10.000 • • •10.8002780•2.2001460•800960M.A.K.•1.2001460•2801050of•7.5001460•1.0501260Diaphrgam Kiel wall 0002 60 25 10.000 • •3.2001250 dumping -tip Hangelar 50 •11.5001760 8 1.100 •4.8001250• Cut - off wall

Baretts .0 460 14 1.100

Surface [m²]

Depth [m]

Width [cm] Paris communication centre Gunzenhausen Brombachdam Wilhelmshaven armybarrack site Site Hannover store department Gelsenkirchen Schalker Club 11 stage railway München city Hamburg -Bergedorf collector waste 4 stage railway Duisburgcity Wiesbaden Bank AG Dresdner Mülheim nuclear power station Hamburg -Bergedorf collector waste Münster house nurses 1 stage railway Herne city Detmold hospital fi ce building ce Ansbach

9 STEIN HT 10 99Germany 1979 Germany 1977 97SuiAainGvrmn fSui-Aain•2.0 580 15 25.000 Germany • Belgium 1977 Belgium 1977 Government ofSaudi -Arabien Saudi-Arabien 1977 1977 97France 1977 erCutyPromoter Country Year 99GrayAG oesy/BM/Hikm .0 760 17 1.200 60 • Germany /B+M Polensky /Heitkamp ARGE 16 Germany 1979 370 Germany 1979 Germany 1979 Germany 1978 • Belgium 1978 /Heitkamp /B+M Polensky ARGE Belgium 1978 Germany 1978 Germany 1978 Germany 1978 Germany 1978 Germany 1977 France 1977 France 1977 1977 Hofheim Joh. Keller GmbH Kehl ARGE Kulturwehr Düsseldorf Knauer + Boswau Brussels Sogreta Brussels Sogreta Paris Deromede Duisburg Hochtief AG Holzmann /Heitkamp railway /P+Z Hochtief City ARGE / Essen Bauer Grundbau Essen Bauer Grundbau Antwerpen Bau AG Strabag Antwerpen Bau AG Strabag Preussag D+WARGE /Holzmann /Lucks / Stuttgart Ed. Züblin AG Berlin KGPollems Frankfurt Grund -und Pfahlbau Paris Deromede Paris S.A.E.P. •2.5601380 .0 010metro Brussels metro Brussels 100 60 30 6.000 30 2.000 •1.5001580• • .0 040 10 1.000 • 6003 80 30 16.000 metro Brussels metro Brussels • 100 80 •1.2001780subway 30 30 3.300 •800850 880 •1.200860 Goslar board govering • 60 • Paris deFetes Place 10 60 •1.9501360 50 350 22 •2.2001460 3.000 20 •6001560 2.200 • • • Diaphrgam Gelsenkirchen wall

4002 50 25 14.000 • Cut - off wall

Baretts

Surface [m²]

Depth [m]

Width [cm] stage 6/7 stage Site Sossenheimerstraße, Eschborn Sossenheimerstraße, undertunneling Kehl /Straßburg wall -off cut Jeddah TunnelKings Palace Bd. d‘Avro building Liege pit Paris -Viro Paris of telephone central stage T6b Bonn stage subway «Rhein -Sieg» T6b stage subway Bonn city railway Duisburgcity Münster car-park underground Hamm car-park underground Braunschweig underground -park Packhof car -Arsten Bremen freeway exchange Berlin University Technical Paris Moulin delaGalette fl ay fi ce 11 STEIN HT 12 1979 Germany ARGE Hochtief / Wayss + Freytag • 850 28 60 shaft Voerde shaft 60 28 850 • Germany +Freytag /Wayss Hochtief ARGE France 1979 Germany 1979 1979 93GrayAG usugKhiggse•601 60 10 650 • 80 Duisburg ARGE Köhlingsgasse 20 Germany 6.000 Germany 1984 60 Kong Hong 1983 Germany 1982 8 • Kong Hong 1982 2.700 Belgium 1982 Jahnplatz Bielefeld ARGE Germany 1982 • Germany 1982 Germany 1982 Mainzer Aufbaugesellschaft Germany 1981 Germany 1981 Belgium 1981 Germany 1981 Germany 1980 Germany 1980 Belgium 1980 Germany 1979 Germany 1979 1979 erCutyPromoter Country Year Oelckers Hamburg GKN Keller GmbH Saarbrücken Modernbau ARGE BAM Bauer Hafemeister / Bauer Hafemeister BAM ARGE Kong Hong HK Gumi Kumagai Bonn Albrecht Kong Hong HK Kumagai Gumi Belgium Von denCloot Essen AG Preussag Hannover AG Preussag Dortmund Wiemer +Trachte Brussels Sotrahy Bremen AG Preussag Hannover Ph. Holzmann AG Duisburg Hochtief AG Brussels Sotrahy Eberbach Stadt Düsseldorf E. Heitkamp GmbH •2.5001880 • 1.080 16 80 autoroute Orleans A71 Orleans autoroute 80 16 1.080 • .0 01 0consumer market 100/200 24/50 50 65.000 10/12 2.000 60 • 13 • 60 2.000 12 •8002080shaft Berendrecht 3.000 sluices • Volkswagenwerk Wolfsburg 80 50 30/35 80 • 45.000 17 9 80 5.000 600 30 80/150 • 60 6.000 30/50 • 40.000 14 • 2.000 • • • •560960Diaphrgam Mechelen wall •3.4001450 .0 5100 25 6.000 • •5.4001650Cut - off wall

Baretts

Surface [m²]

Depth [m]

Width [cm] Berlin control for quality ministery Site Pinneberg shopping center Duisburg new building C&A Bielefeld subway Mainz -Hotel Hilton Hong Kong Hong justice of ministery Kong Hong power station coal Aachen underground -park car Hannover building administration SalzuBad Salzetal» «Im hospital Osnabrück underground -park Nicolaiort car 5 stage railway Duisburgcity Brussels duGare Midi Leopoldsplatz underground -park car Düsseldorf Müller Hille hall workshop fl en 13 STEIN HT 14 94GrayDcehf imn •5001 60 15 5.000 • +Widmann Dyckerhoff Kong Hong Germany 1984 1984 96GrayAG atlpre•5001 0Aartaldam post of 60 Germany 60 18 Germany 1987 12 5.000 Germany 1987 1.000 Germany 1987 • Germany 1987 Germany 1987 • Germany 1987 Germany 1987 ARGE Aartalsperre Germany 1987 Germany 1986 OPD Köln Germany 1986 Germany 1986 China 1986 Kong Hong 1985 Kong Hong 1985 Germany 1985 Malaysia 1985 Kong Hong 1984 Kong Hong 1984 1984 erCutyPromoter Country Year Hong Kong Hong Y.M.C.A Eberbach RathausNewARGE building Berlin Schnurpfeil GmbH Stuttgart Ed. Züblin AG Stuttgart Ed. Züblin AG Stuttgart Ed. Züblin AG Düsseldorf Insurances RohbauARGE Victoria Stuttgart Ed. Züblin AG Hamburg Held +Francke AG Düsseldorf W.T.B.Bau -AG Mülheim KG GmbH &Co H.Schmitz Beijing Building Department China Overseas Kong Hong HK Gumi Kumagai Kong Hong HK Gumi Kumagai Stein HT / Preussag LVAARGE Düsseldorf Malaysia Ranhill Bersekutu Kong Hong HK Gumi Kumagai Kong Hong HK Kumagai Gumi

•1.1001460 60 •1.0401550 14 •4001280 60/80 2.000 RRBMülheim Katzenbruch 20 3.000 80 • Wang Fu Hotel Jing 8 60 • 850 Bank ofChina 21 100 8.500 • 60 32 13.900 28 Nikko Hotel • 14.000 60 • 22 • 4.950 •71012/1560• Diaphrgam wall

.0 45 city hall Rastatt 50 14 3.000 •1.1001350• •1.5001060•6.8002250 Cut - off wall 3Sc 56 80 55/60 Stck 33 • 6Sc 56/5 Bank of China 60/150 35 Stck 96 • Nikko Hotel 120 25 20 Stck • Baretts

Surface [m²]

Depth [m]

Width [cm] Eberbach Münster Tibusplatz Site Hong Kong Hong Chinese YMCA new building Guilhalls building new Wedding - Berlin new building S157 schering -Hamm -Canal Dattel -Durchl. Süggelbach Karlsruhe Holzschleiferei Holtzmann Düsseldorf -Insurances Victoria Rastatt savings bank precinct Köln EF2 subway stage Düsseldorf WDR radio station Düsseldorf new building LVA administration Lumpur Kuala JalanBasement Hicks fi ceAachen 15 STEIN HT 16 91Germany 1991 erCutyPromoter Country Year 97Germany 1987 90GrayP.Hlmn G•3541 50 16 3.514 • 60 Germany 9 Germany 1991 570 Ph. Holzmann AG Germany 1990 Germany 1990 • Germany 1990 Germany 1990 Germany 1990 +Widmann Dyckerhoff Germany 1989 60 Germany 1989 12 Germany 1989 1.200 Germany 1989 Germany 1989 Germany 1989 • Germany 1988 Germany 1988 Diaphrgam ARGE wall RÜB Germany 1988 Germany 1988 Germany 1988 Germany 1988 1988 Hamburg Oelckers Grundbau Düren GmbH Ph. Kutsch Eberbach car-park Underground ARGE Hamburg Schnurpfeil GmbH Karlsruhe &Müller GmbH &Co Wolff Ibbenbüren KG GmbH Schäfer &Co K. Stuttgart Ed. Züblin AG Stuttgart Ed. Züblin AG Stuttgart Ed. Züblin AG Stuttgart Ed. Züblin AG Wuppertal BEK Netphen Demler GmbH &Co Mönchengladbach -Savings bank RohbauARGE Stadt Stuttgart Ed. Züblin AG Mülheim Bau KurCO Düsseldorf W.T.B. Bau -AG München Schnurpfeil GmbH Stuttgart Ed. Züblin AG .0 53 0RÜB Köln -Eil -Porz 80 15/30 5.000 • •2.9001460 .0 680 16 2.000 • •2.6001680•800950•4.8002080•9001060•9001050•4.8002160•8002060Diaphrgam wall •1.7002360 .0 86 underground -park Aurich car III underground -park Aurich car II 60 -park Aurich car I 60 18 60 6.200 12 ARGE Düker -Hamm Herringer Bach •1.360850 1.000 10 60 • 2.720 • 17 60 • 1.950 10 • 5.000 • hospital Heidelberg 60 15 2.000 • Cut - off wall

Baretts

Surface [m²]

Depth [m]

Width [cm] Köln -Niehl Bauer publisher Site Eberbach underground -park car Frankfurt /MainFrankfurt center technology Münster Dorint -Hotel Eberbach rain stowage Kiel 76 B undertunneling Rastatt underground -park car Coesfeld post of Wuppertal Ersatzkasse Barmer Siegen communikation center Mönchengladbach savings bank city Berlin schering liquid storage Duisburger -Str. Mülheim of Düsseldorf ARAG center compute Berlin two shafts fi cebuilding fi ce 17 STEIN HT 18 For usapplies: F And itgoes on like this! And or us appl us or risks. the toface new Every day anew is opportunity of our clients is our is mainof our objective. clients ofbuilding. art newest tothe we large contribute companies with Especially by time orspace. our cultivate new ideas. discussions And and improvements. tonew solutions Afailure contributes W W DISCUSSION =CHALLENGE FAILURE =ENRICHMENT RISKS =OPPORTUNITIES e consider each project asour satisfaction child. complete The project each e consider our harnessed dimensions but cannot be e are afamily business, i t goes on l i es

: i ke th ke i s ! 19 STEIN HT 20 91Germany 1991 92Germany Germany 1992 Germany 1992 Germany 1992 Germany 1992 Germany 1992 Germany 1992 Germany 1992 Germany 1992 Germany 1992 Germany 1992 Germany 1991 Germany 1991 Germany 1991 Germany 1991 1991 92Germany 1992 Promoter Country Year 92Germany Germany 1992 Germany 1992 1992 93Germany 1993 Bremen Brückner Grundbau Dortmund Wiemer Spezialtiefbau Dortmund Wiemer Spezialtiefbau Düsseldorf Bau -AG Strabag Essen Preussag Hamburg Oelckers Grundbau Bremen Preussag Hannover Preussag Osnabrück Oevermann Hamburg +WidmannDyckerhoff Berlin Bil Hannover Ph. Holzmann +Freytag Wayss / Strabag ARGE Dortmund Wiemer Spezialtiefbau Lübeck Bau GmbH Giese Max Springe Franki Grundbau GmbH Düsseldorf AG &Freytag Wayss Dortmund Wiemer Spezialtiefbau Essen Anlagenbau Preussag Stuttgart Spezialtiefbau Züblin Dortmund Wiemer Spezialtiefbau fi nger &Berger •2.4002580•2.2751360 120 25 3.000 •1.2002580Kabelmetal 60 • 14 •2.2001260 2.000 • •4.7002360 Osnabrück •1.8501360 •5001260 Diaphrgam wall •1.2001460 .0 260 12 5.000 shaft post Otterndorf NEA 60 • 19 •8001060 1.000 •1.8001060 Union Celle City • 80 •1.6001560 24 6.900 • •3.10016,560•7001040 .0 14 Thoss Leipzig 40 11 •2.2001860 1.000 • •1.8001060 Cut - off wall

Baretts

Surface [m²]

Depth [m]

Width [cm] Site Bremen dam watter Berlin -Friedrichshein railwaystation Chemnitz -Motorenworks VW Münster LVM Insurances Bismarckstr. Düsseldorf Viktoria Insurances Berlin BE Consult Hamburg of Hamburg -Freihafen wall Oswaldkaiqury Berlin RÜB Neukölln 1 Düsseldorf of Berlin Kurfürstendamm, of Lübeck Possehlstraße, -park car Blumenauerstr. Hannover of Bedburg Hau Schloß Moyland Of Neuss VAWfoundry Rheinwerk Berlin Berlin -Dohrn -Str Max C O73 fi fi fi fi fi cebuilding Zoopark residence ce cebuilding cebuilding ce Charlotten Straße 80 Straße Charlotten ce 21 STEIN HT 22 94Germany Germany 1994 Germany 1994 1994 93GrayAG ulnee .0 180 21 1.500 • Wullenweber ARGE Germany Germany 1993 1993 94Germany Germany 1994 Germany 1994 Germany 1994 Germany 1994 Germany 1994 Germany 1994 Germany 1993 Germany 1993 Germany 1993 Germany 1993 Germany 1993 Germany 1993 Germany 1993 Germany 1993 Germany 1993 1993 erCutyPromoter Country Year Kiel &WidmannDyckerhoff AG Essen Hochtief Köln &WidmannDyckerhoff AG Köln &WidmannDyckerhoff AG Essen &WidmannDyckerhoff AG Lübeck Bau GmbH Giese Max Hannover Spezialtiefbau Preussag Hamburg &WidmannDyckerhoff AG Hamburg &WidmannDyckerhoff AG Hannover Spezialtiefbau Preussag Berlin Hans Lemme GmbH Schrobenhausen Bauer Spezialtiefbau Essen &WidmannDyckerhoff AG Dortmund Wiemer Spezialtiefbau Düsseldorf &WidmannDyckerhoff AG Düsseldorf &WidmannDyckerhoff AG Stuttgart Spezialtiefbau Züblin Essen &WidmannDyckerhoff AG Kiel &WidmannDyckerhoff AG Essen &WidmannDyckerhoff AG .5 /18 dumping -tip Leppe 80 7/11 •1.5301280 1.150 •4.9002580• •2.3852280 •2.2001160 80 60 20 •2001360 1.000 23 •1.11013120 2.000 120 • 60 19 • 1.000 19 •10.8002580 5.000 • 60 • 22 •1.6001560/80 2.960 •4.21032130•1.79015120• Diaphrgam wall .5 /18 dumping -tip Leppe 80 7/11 1.350 • .0 350 13 3.000 • •3.40018,560•1.2801860Cut - off wall

Baretts

Surface [m²]

Depth [m]

Width [cm] buildsegment 2 buildsegment tunnel building 1262, Kiel (round) 5 shafts 2. BA AWK Bottrop Berlin 2shafts Wullenweberstraße, Site Dortmund Nord collector waste shaft Falkenstraße, Lübeck Falkenstraße, underground -park car -Magdeburg Diesdorf -center city Hamburg MVA Stapelfeld Hamburg MVA Stapelfeld Magdeburg Hotel Maritim Berlin (2 Shafts) Brandenburger Tor Berlin Carré City (6 round) 13 shafts BA 1. AWK Bottrop Berlin -station KV 400 Bewag Neuss sewage treatment plat Neuss sewage treatment plat Bonn HeroldInsurancesen Deutscher Bottrop plat(shaft) treatment sewage Kiel 1265 tunnelbuilding Dortmund Nord collector waste shaft 23 STEIN HT 24 1996 in 25 days !!! Accomplished Lennè -Dreieck 1 A Le Germany 996 ccompl Diaphrgam wall Diaphrgam wal Diaphrgam Site Promoter nn VZB Berlin, project stage 4Lennè -Dreieck stage Berlin, project VZB è ARGE Lennè - Dreieck stage 4Berlin, stage Lennè ARGE -Dreieck

-Dr l 4.900 m², cmwidth 120 4.900 30mdepth, l 6.350 m², 6.350 150cmwidth 30mdepth, i n 2 i shed e 5days5 i eck

days !! ! 1997 City RailwayCity Düsseldorf 1 Cit

Düsseldorf, Düsseldorf, Germany Bil 997 Cut-off wall Cut-off wall Diaphrgam Site Promoter close range! kmatvery 1,80 y close 1 range! City Railway Düsseldorf, 2BA Railway Düsseldorf, City Railwa ,80 kmatver,80 ARGE Wayss &Freytag Wayss ARGE 2.200 m², 2.200 16 /130cmwidth 120 mdepth, 10.000 m², /100 32 cmwidth 80 mdepth, fi nger &Berger, Hochtief y Düsseldorf y 25 STEIN HT 26 94Germany 1994 96Germany Germany 1996 Germany 1996 Germany 1995 Germany 1995 Germany 1995 Germany 1995 Germany 1995 Germany 1995 Germany 1995 Germany 1995 Germany 1995 Germany 1995 Germany 1995 Germany 1995 Germany 1995 Germany 1995 1994 erCutyPromoter Country Year 96Germany Germany 1996 Germany 1996 1996 Hamburg Oelckers Grundbau Hannover Ph. Holzmann AG /Züblin &Freytag Wayss Ph.HolzmannARGE / /BilHochtief &Widmann / Dyckerhoff ARGE Bocholt Wilhelm Epping GmbH Bocholt Wilhelm Epping GmbH Düsseldorf Lehmann GmbH &Co.KG Hannover Philipp Holzmann AG Düsseldorf AG &Freytag Wayss Düsseldorf AG &Freytag Wayss Düsseldorf AG &Freytag Wayss Düsseldorf Bauunternehmung Lehmann Berlin &WidmannDyckerhoff AG Berlin &WidmannDyckerhoff AG Dresden Brückner Grundbau GmbH Neuss Franki Grundbau GmbH Neuss Franki Grundbau GmbH Berlin &Freytag LemmeARGE /Wayss Berlin &WidmannDyckerhoff Köln Ph. Holzmann AG Berlin &WidmannDyckerhoff fi nger • 5.790 25 80 Ritterhaus Halle Ritterhaus /Saale •1.70026,5120 80 •86022,580 25 5.790 Berlin building /A5 debis A2 pit 80 Commerzbank Erfurt • 23 60 1.330 16 4.000 • • •4002060•8502080 .5 58 RMVA Köln bunker Day refuse 80 25 4.850 • Diaphrgam wall •8301460 .0 660 16 7.000 • 60 •6502360 14 2.000 •56012,580• •7.1001660 60 Berlin building gebis /A5 A2 pit 10 100 13.000 23 • 4.400 • •1.6002060 • 4.800 33 60/80 Debis Dexchange Debis B96Berlin 60/80 33 4.800 • •14.5003260/80Cut - off wall

• 52 pcs. 39 120 Ritterhaus Halle /Saale Ritterhaus Halle /Saale Ritterhaus 120 120 39 52 pcs. 27 • pcs. 94 • Baretts

Surface [m²]

Depth [m]

Width [cm] Site Leipzig of Magdeburg 2 stage Carrè City Süd Düsseldorf sewage treatment plan Berlin 3 railway tunnel stage Hamburg Altona collector waste Hamburg Altona collector waste Leverkusen pumping station Magdeburg 1 stage Carrè City Düsseldorf collector waste 1 6segment stage canal building combustion garbage MKVA Krefeld building combustion garbage MKVA Krefeld Berlin Klingelhöfer 2shafts Straße, Potsdamer Platz Berlin Platz Potsdamer buildingdebis D pit fi ce building ce Berliner Str. 1-3 27 STEIN HT 28 1997 Holland ARGE / Bam / Bil /Bam ARGE Germany / Bil /Bam ARGE Holland 1998 Holland 1997 Germany 1997 Germany 1997 Germany 1997 Germany 1997 Germany 1997 Germany 1997 Germany 1997 Germany 1997 Germany 1997 Germany 1997 Germany 1997 Germany 1997 Denmark 1997 Germany 1997 Germany 1996 Germany 1996 Germany 1996 Germany 1996 1996 erCutyPromoter Country Year Köln &WidmannDyckerhoff Magdeburg Philipp Holzmann AG Düsseldorf Hochtief AG Düsseldorf Hochtief AG Bil / &Freytag Wayss ARGE Düsseldorf Ph. Holzmann AG Kiel &WidmannDyckerhoff Kiel &WidmannDyckerhoff Osnabrück Gebr. /Ph.Holzmann Echterhoff Berlin Ph. Holzmann AG Berlin Ph. Holzmann AG Berlin &WidmannDyckerhoff Berlin &WidmannDyckerhoff Denmark Ballerup Jensen C.G. Berlin &WidmannDyckerhoff Magdeburg Ph. Holzmann AG Berlin &Freytag Wayss Heitkamp GmbHE. / Berlin Ed. Züblin AG Berlin 4, stage LennèARGE -Dreieck fi nger /Hochtief &Berger fi fi ne egr•1203 60 120 30 1.200 30 3.000 • • nger & Berger nger & Berger

.0 080 100 20 2.000 20 4.000 80 10 • • 210 • •4.0901580•96020120•38020140•3.7002060•2.0502080•42010,560•11.25030120/150Diaphrgam wall • 2.200 16 120/130 city railway Düsseldorf, 2BA. railway Düsseldorf, city 120/130 16 2.200 • 0.0 080 40 107.000 • •2.6702560 wall Trog ARGE -off cut Dissen 60 •7.2001060 22 2.600 • 60 17 1.000 • •4.3002060•7.7001660Cut - off wall

0ps 0150 20 10 pcs. • Baretts

Surface [m²]

Depth [m]

Width [cm] Site Bayer AG Leverkusen dumping -tip Bürrig Rotterdam 2 shafts Rotterdam 2 shafts Magdeburg 3Bl.5 BA railway Carré station City Düsseldorf multiplex kinocenter UCI Düsseldorf multiplex kinocenter UCI Düsseldorf collector waste 2-A 6segment stage canal Kiel BW1269 new building Stützwand Kiel BW1269 New building Stützwand Berlin ringcenter II Berlin ringcenter II 3Berlin Platz Pariser of & apartment 3Berlin Platz Pariser of & apartment Kopenhagen building Christiansbro pit Berlin Platz Potsdamer building A+B pit Passerelle Magdeburg 3 segment Carrè City Berlin Tunnel Reichpietschufer Berlin Seydelstraße Spittelmarkt Lennè -Dreieck 4 stage Berlin, project VZB fi fi cebuilding cebuilding 29 STEIN HT 30 00Germany 2000 Promoter Country Year 98Germany 1998 00Germany 2000 98Germany 1998 00Germany 2000 98Germany 1998 00GrayAE obuSrngealg .5 280 22 1.150 • Stranggießanlage Rohbau AGER Germany 2000 98Germany 1998 98Germany 1998 98Germany 1998 98Germany 1998 98Germany 1998 99Germany 1999 99Germany 1999 99Germany 1999 99Germany 1999 99Germany 1999 99Germany 1999 99Germany 1999 99Germany 1999 00Germany 2000 Berlin Brückner Grundbau GmbH Düsseldorf Ph. Holzmann AG Hamburg Bil Bil / &Freytag Wayss ARGE Hamburg Bil Lübeck Bau GmbH Giese Max Düsseldorf Ph. Holzmann AG Heitkamp Berlin / &Freytag Wayss ARGE Berlin Fernbahntunnel ARGE Berlin GmbH TEZA Düsseldorf Bil Essen Brückner Grundbau GmbH Dortmund Wiemer &Trachte AG Augsburg HT/Preussag Stein ARGE Schkeuditz Spezialtiefbau Preussag Hannover Spezialtiefbau Preussag Berlin Hans Lemme GmbH Hamburg Hans Lemme GmbH Hamburg Bil Berlin Brückner Grundbau GmbH fi fi fi fi fi AG nger +Berger nger /Hochtief &Berger AG nger +Berger AG nger +Berger AG nger +Berger •3001360 •7.6501560 0003 80/100 32 10.000 • •1.73015100 •2.20033100 .0 7120 27 2.000 • • 680 25 80 subway tunnel stage 3Berlin subway tunnel stage 80 25 680 • .7 0subway tunnel Berlin BW9340 60 9 3.570 • •1.5002580 •1.9002360 •20.7501560/100Diaphrgam wall •4.8001060 •11.8001860 • 4.500 16 60 metrobridge 9Düsseldorf metrobridge 60 16 4.500 • •11.3003560 • 1.120 8 60 RÜB Hagen - Boele 2 RÜB Hagen-Boele 60 8 1.120 • •6.5002260 •2.3704-960 •6001560 •4.0101360 Cut - off wall

Baretts

Surface [m²]

Depth [m]

Width [cm] Site Warnemünde -park Kurhausgarten car waste collector Düsseldorf collector waste 2-B 6segment stage canal Trog Osten Bremer Hemelingen Tunnel segment B segment 2BA. railway Düsseldorf city HKM Duisburg -Hüttenheim m Ø15,90 shaft Trog Osten Bremer Hemelingen Tunnel Lübeck plant treatment sewage central Walzwerk Duisburg Brückhausen Ø22 m shaft Berlin 42BA stage Lenné Dreieck Köln Gerling -Ring GBR Aschheim /Dornach Aschheim -EuropaDornach -Forum 2 Bad Lausick Bad Silika dumping tip 2. BA Hannover fair hall Nr. 5 2 Shafts Berlin 2 Shafts Düker -Sluis Charlottenburg 2 Shafts Hamburg Alsterdorf Tunnel Osten Bremer Hemelingen Tunnel Warnemünde -park Kurhausgarten car 31 STEIN HT 32 erCutyPromoter Country Year 01Sweden 2001 Germany 2000 01Germany 2001 Germany 2000 00Germany 2000 00Germany 2000 00Germany 2000 00Germany 2000 00Germany 2000 00Holland 2000 01Germany 2001 01Germany 2001 01Germany 2001 01Germany 2001 01Germany 2001 01Germany 2001 2001 Germany ARGE D&W / PST • 3.000 23 80 Spreekarree. Friedrichstr. Spreekarree. Berlin Friedrichstr. Spreekarree. Berlin 80 60 23 60 23 3.000 4.000 30 5.000 60 • 20 • 4.500 • D&W ARGE / PST Sweden • D&W ARGE / PST Germany 2001 /STEIN PST ARGE Germany 2001 /Stein Leonhard ARGE Weiss Germany 2001 Germany 2001 2001 Göteborg /Sweden Göteborg Göteborg /Sweden Göteborg BOMMEN ARGE LILLA Düsseldorf Hochtief AG Bochold Wilhelm Epping GmbH Berlin Hans Lemme GmbH Berlin &WidmannDyckerhoff Berlin GmbH &Co Gildemeister Berlin Hans Lemme GmbH GmbHBerlin &Rohrbau -F.Beton C. Thymin Herne E. Heitkamp GmbH v.o.f. /NL Papendrecht Tubecon I Berlin Bil Berlin Bil Berlin AG &Freytag Wayss Berlin Gebr. Kemmer GmbH Oldenburg Oetken GmbH Heitkamp /Brückner ARGE Provinzial ARGE LILLA BOMMEN ARGE LILLA fi fi AG nger +Berger AG nger +Berger 5003 120 30 15.000 • .0 480 24 2.000 • •4001660 •1.17018,580 •5801660 • 840 15 80 2 shafts Berlin -Prenzlauer Berg 2shafts 80 15 840 • •9001360 •4201380 •64624100 •6001480Diaphrgam wall 2003 80 30 32.000 • •1.4821960 •6.6001860 •5.4002060 • 2.150 21 80 Betuweroute Sophiaspoortunnel Betuweroute 80 21 2.150 • •8071060 •5.6002060 Cut - off wall

Baretts

Surface [m²]

Depth [m]

Width [cm] Site Göteborg /Sweden Göteborg BOMMEN tunnel LILLA Göteborg /Sweden Göteborg BOMMEN tunnel LILLA 13Düsseldorf Speditionstraße hotel &of Neuwerk 43.BA Dahl -Hammercollector Hamburg Alsterdorf 11.3 shaft Wilhelmstraße 23 BerlinWilhelmstraße of & apartment An Juliusturm Berlin canal -undPreß Zielgrube Hamburg Alsterdorf 7.1 shaft HTS and 7.3 Hammer Straße 19Düsseldorf Hammer Straße of Berlin Dorotheenstraße 33 Berlin Dorotheenstraße 33 shaft VE 5/6 VE shaft Berlin -Waßmannsdorf Biesdorf ADL Bernau BMBF Reaktive Wände Kiel -Holtenau NOK Uferwand Flandrische Straße 3-11 KölnFlandrische Straße Hohenzollernring 7-15 / Berlin Kronprinzenkarree Düsseldorf Provinzial Forum fi cebuilding fi cebuilding fi cebuilding 33 STEIN HT 34 20.750 m²diaphragm wall! Within 6months 2 Wi 992001 1999 1999 0.750 m²d

Hamburg, Germany th Promoter Diaphrgam wall Diaphrgam Site wall Diaphrgam Site Tunnel, Osten Bremer Tunnel Hemelingen i n 6months Bremer Osten Tunnel Osten Bremer B Bil remer Tunnel Osten 14.450 m², 100 cmwidth 15mdepth, m², cmwidth 60 6.300 15mdepth, fi nger AG +Berger i aphragm wallaphragm Hemelingen H emel i ngen ! Airport HamburgAirport Please askfor our DVD ! Ai P

Hannover, Germany l rport Hamburgrport ease Diaphrgam wall Diaphrgam Site Promoter Airport Hamburg Subway Airport Tunnel PST PST Spezialtiefbau

15.000 m², cmwidth 120 15.000 30mdepth, as k f o r ou r DVD 200 ! 1 35 STEIN HT 36 04Germany Germany 2004 Germany 2004 60 Holland 2004 19 2004 1.480 • Germany Germany 2004 Brückner Grundbau GmbH Germany 2003 Germany 2003 Germany 2003 Germany 2002 Germany 2002 Belgium 2002 Germany 2002 Germany 2002 Germany 2002 Germany 2002 Germany 2001 2001 erCutyPromoter Country Year 04Germany Germany 2004 Germany 2004 Germany 2004 2004 Duisburg Ed. Züblin AG Berlin Hans Lemme GmbH Düsseldorf Hochtief AG Rotterdam (ZüblinSaturn -Walterbau) Garbsen GrundbauMast GmbH Köln AG Hochtief Construction Berlin Gildemeister Hamburg ECE Projektmanagement Hamburg Wiemer +Trachte AG Hamburg Wiemer +Trachte AG Sint -Truiden /Belgium N.V. Betonac Dortmund Wiemer +Trachte AG NL Hamburg Bil Heitkamp Umwelttechnik ARGE BrücknerGrundbau / STEIN HTGmbH ARGE Leonard Weiss Berlin Hans Lemme GmbH Schrobenhausen Bauer GmbH Spezialtiefbau Schrobenhausen Bauer GmbH Spezialtiefbau Berlin Hans Lemme Gmbh Berlin Spezialtiefbau Züblin fi AG nger +Berger .0 280 22 5.000 150 41 • 7.000 •1.8002780• 80 21-23 1.100 • •4.8002560 1.021•1.2001980•• 24-20 80 •50026,5120•2.0011980•7.5651760Diaphrgam wall •9.1503360/80 Düsseldorf Capricorn 60 23 4.000 • 60 •1.7721560 22-40 9.000 80 • 33-40 25.000 •2.5002560• •3.2002260•1.4302160•10.7002760 •4.3004360 Cut - off wall

Baretts

Surface [m²]

Depth [m]

Width [cm] Theodor - Heuss - Allee 90-98 -Allee -Heuss Theodor Hamburg Reichenstr. Große Brodschrangen Site Duisburg -Rheinhausen basin rain storage Berlin Dücker Mörschbridge Düsseldorf city underground -park airport car Rotterdam Statentunneltracé Düsseldorf Düker Simrockstraße reconstruction Heckmannufer -HWTreptow -Mitte HKW 6.BA. Hamburg -Harburg -Center Phoenix Kaltenkirchen 3-5 A1stage -Strecke AKN Kaltenkirchen 3-5 A1stage -Strecke AKN plant Antwerpen treatment Sewage Brückner/STEINARGE Hamburg subway airport Hamburg -Eppendorf of & apartment Düsseldorf APO Bank Unter denLinden 1 kommandantur Prenzlauer Berg Berlin shafts Dreihscheibe, Frankfurt Dreihscheibe, Berlin 1.4 stage station Lehrter Berlin Düker Teltowcanal Berlin Steglitz -Galerie Schloss fi cebuilding 37 STEIN HT 38 05Germany 2005 06KzktnITC ocw saa .0 560 15 5.800 • Republic Slovak INTECO Moscow, Astana Republic Slovak 2007 Kazakstan 2006 Spain 2006 Belgium 2005 Croatia 2005 Croatia 2005 Germany 2005 Germany 2005 Germany 2005 Germany 2005 2005 060 France 2006/07 07KzktnTlpesaaSrß,Atn .0 260 12 2.000 • Talapkerskaja Straße, Astana Kazakstan Germany 2007 2007 Germany 2006/07 Germany 2006/07 07KzktnCt saa•3601 60 18 3.600 • Hungary City Astana Kazakstan 2007 Kazakstan 2007 2007 Promoter Country Year 07Hungary 2007 Garbsen GrundbauMast GmbH Bratislava Bil Bratislava Bil Madrid TERRABAUER Stuttgart Spezialtiefbau Züblin Vukovara Grada Ulica 18 CROSCO Vukovara Grada Ulica 18 CROSCO Wallenhorst GmbH Wittfeld Bauges. Berlin Berlin GmbH Projekt SONAE Berlin Berlin GmbH Projekt SONAE Berlin Berlin GmbH Projekt SONAE Paris -RungisParis Fondation Botte Bocholt Wilhelm Epping GmbH Strabag AG / &Freytag Wayss ARGE Strabag AG / &Freytag Wayss ARGE Budapest -Vizep Kft Epito Swietelsky Astana EVEREST Budapest -Vizep Kft Epito Swietelsky fi fi nger Berger nger Berger nger • 9.810 27 60 Eurodom - Osijek /Croatia Eurodom -Osijek 60 •11.0503780 60 23 2.555 27 •15.5003080 80 9.810 •3.08030120 60 25 • 8.000 25 • 8.000 •2.46032120• • •8.50028120 •1.3002260•25.80036100/150 .8 46 underground -park car 60 14 2.184 •5.60030/42120• •9.30030/42120Diaphrgam wall •7.50013,560 .0 560 25 8.000 • .0 680/100 36 9.700 • Cut - off wall

1003 60 30 31.000 • Baretts

Surface [m²]

Depth [m]

Width [cm] Site Flensburg Südermarktcenter Astana Moscowcenter, of Bratislava center international trade EUROVEA Madrid M30 project Antwerpen kaimauer Hafen Delwaidedok Croatia Tkalci Köln -Niehl Straße Geestemünder shaft Alexanderstraße, Berlin &shoppingcenterfreetime Alexanderstraße, Berlin &shoppingcenterfreetime Alexanderstraße, Berlin &shoppingcenterfreetime Bratislava center international trade EUROVEA Le Port La Reunion La Le Port wall qury Astana underground -park car Hamburg BA 1. Osterbekstammsiel shaft Leipzig C -tunnel Leipzig stage city Leipzig C -tunnel Leipzig stage city Republik 7,Republik Astana underground -park car Budapest liniemetro 4,Rakoczi Ter Budapest liniemetro 4,Kalvin Ter fi cebuilding 39 STEIN HT 40 2006-2007 2006 -2 007 City TunnelCity Leipzig C extremes! More than 400mof M

Strabag Leipzig, Germany Strabag i ty Tunnel Le Cut-off wall Cut-off wall Diaphrgam Site Promoter ore than 400m of City Tunnel City C Leipzig Leipzig stage ARGE Wayss &Freytag Wayss ARGE 9.700 m², 80/100 36mdepth, cmwidth 15.000 m², 150cmwidth 15.000 36mdepth, extremes i pz i g ! 41 STEIN HT WeWe areare availableavailable Edition publisher and responsible for contents toto youyou STEIN HT GmbH image material STEIN HT GmbH by phone +49 2323 9266 0 text and layout by fax +49 2323 9266 25 Larissa Schell by mail Stein HT GmbH Spezialtiefbau production supervision Schnittstraße 6 mc3 Marketing Contacts 44653 Herne / Germany print by internet http://www.stein-ht.de BUERSCHE DRUCKEREI NEUFANG KG

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