Extreme engineering Extreme engineering – part 2 IX-2009 (rev. VI-2012) (Part 00 EE, PP 2007, animation+p/r : 2010.02.15) ready 1 Copyright notice Unauthorised.

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Extreme engineering Extreme engineering – part 2 IX-2009 (rev. VI-2012) (Part 00 EE, PP 2007, animation+p/r : ) ready 1 Copyright notice Unauthorised copying of this presentation as whole or in parts in any form or by any means, electronic, photocopying, recording or otherwise, without prior written permision is prohibited.

NAJDER engineering ®NAJDER engineering ® is a consulting company as well as a specialist contractor within civil and foundation engineering. We are preparing technical concepts, design projects, analyses and performing jobs as a subcontractor. Skånska Cementgjuteriet Skanska ABTomasz Najder joined in the period of Skånska Cementgjuteriet (today Skanska AB) as a member of Supervising Team on the project “Second Dry Dock in Gdynia Shipyard”. Stabilator AB Skanska Group Stabilator Sp. z o.o. Skanska Group Tomasz Najder gained his experiences in Stabilator AB (daughter company in Skanska Group) as site manager, project manager and internal consultant (”trouble- shooter”), as Production Manager (Stabilator AB- International Division in Poland), in Polish-Swedish company Stabilator Sp. z o.o. (Skanska Group) as Vice President and Executive Manager. Polibeton Sp. o.o. Najder engineering ® Polimark InternationalAnna Elżbieta Najder (wife) owned Polish company Polibeton Sp. o.o. and now Swedish Najder engineering ® since 1997 (until 2005 operating as Polimark International) – operating globally. Najder engineering ®Anna Monika Najder (daughter) together with Tomasz Najder (as the President of the Board and Executive Manager) owned Polish Najder engineering ® operating in Poland. Now Anna Monika is working as tunnelling consultant in Abu Dhabi. since six generations.Family Najder is working within mining, tunneling and civil engineering since six generations. Family and company history in civil engineering ready 2

3 Tomasz in PragueAnna and Tomasz in IstanbulAnna Monika on IcelandJan in Hallandsås ready

4 Foundation engineering and soil investigations. Reinforcement of existing foundations (underpinning) of industrial buildings, housing estates and ancient monuments (piling, anchors, injections). Tunneling, rock stability high/low-pressure grouting,Tunneling, rock stability and soil improvement (deep mixing method, high/low-pressure grouting, lime-cement columns). Stabilization of slopes and embankments (geogrids, soil reinforcement, drainage, geotextile). Sealing of existing embankments, dams, dikes and waste deposits. Flood defense. Coast protection. Biological engineering, gabion constructions. Leakage and moisture counteraction (insulations, drainages, sealing injections, dilatation repair) in concrete and brickworks structures. Field of activity ready 4

Tomasz Najder Ph.D Civ. Eng. Born 1951 in Gdańsk (Danzig) in Poland M.Sc. Civ. Eng. at Technical University in Gdańsk / Polen Doctors thesis within geotechnical engineering at Technical University in Gdańsk. Since 1982 in Sweden. Employed in Skanska as Site Manager, Contract Manager, Internal Consultant (”trouble-shooter”) Vice President- Executive Manager of Stabilator Polen. Since 2002 Senior Consultant within family company Najder Engineering ® in Stockholm. Dealing with grouting since ready press 5

6 ready

7 ready

8 ready

Water inflow into Icelandic rock mass: - Ólafsfjördur Tunnel ready

10 Héðinsfjarðargöng Project - leakage at the face of Ólafsfjördur Tunnel ready

11 ready

12 ready

13 ready

14 ready Project description: - The TBM tunnel with HERRENKNECHT Earth Pressure Balance Type TBM (shield mm diameter): Total length 3.300m, including ca m marine crossing section. The first tunnel in the world between two continents

15 ready Coast “5’ to o’clock” – Jurata (Poland) March 1993Designer and responsible for delivery of gabions - the first site with gabions based on double twisted mesh (March 1993) First storm – April 1993 After completion of works – May 1993 July 1996

16 Slope collapse 2002 ready

17 Different stages of cliff rebuilding ready

18 ready Deep-Soil-Mixing to create the sealing core of the embankments (Żu ł awy polder in Poland)

19 The catastrophic flood – Gdańsk (Poland) m ready

20 ready

21 ready

m/s ready

23 ready Concrete repairs - waterproofing

24 Royal Castle in Warsaw (Warszawa) - probably the most sofisticated slope protection, waterproofing systems and drainage in the world (?) ready

25 ready

26 ready

Thank You for Your attention! ready 27 THE END

ready Welcome to 28