Who we are and what we do

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1 Who we are and what we do global strength and local focus Keller Your International Geotechnical Contractor Keller Holding GmbH is the holding company for all activities of the Keller Group plc in Europe, the Middle East, Africa and Latin America (EMEA Division). Does your challenging project require an optimal geotechnical solution? The Keller group of companies provides a variety of methods and services for any geotechnical requirement! w w w. K e l l e r H o l d i n g. c o m

2 Deep Experience Huge Knowledge Base Our products and technologies serve different market segments. Their individual use and possible combinations allow for a variety of geotechnical solutions. Keller services are used across the entire construction spectrum for industrial, commercial and residential buildings as well as for infrastructure projects, dams, tunnels and water-treatment facilities. Our Business Units located around the world offer you full package solutions covering all geotechnical works. Keller also meets the specialised geotechnical requirements relating to the renovation of existing buildings and the increasingly important environmental and remediation markets. Foundations Excavation Support Underground Structures & Underpinning Conservation & Preservation Ground Water Control & Sealing Dam Sealing Marine Works Soil Investigations on shore & off shore Geostructure Monitoring Services

3 Foundations Soil improvement using depth vibrators was first developed by Keller. Several different types of vibrators for cohesive and non-cohesive soils are available. Soils have been compacted up to a depth of 50 m below ground level, on shore, near shore and off shore. Sophisticated Compaction Techniques Various Piled-Foundation Methods High- and Low-Pressure Injections Underpinning Soil-Displacement Methods

4 Excavation Support Keller is your partner for constructing complete excavation support packages. We provide underpinning, strutting and nailing, protect neighbouring structures and seal against groundwater ingress. Excavation Pits with various Support systems Excavation Pits with complex Underpinning Excavation Pits for the Mitigation of Environmental Hazards Slope Protection Any Kind of Retaining Wall Shoring Nailing and Anchoring Shotcrete

5 Underground Structures & Underpinning Keller has been active for many years in the field of pipe jacking and tunnelling. With our innovative ideas and individual solutions we are a strong partner if you have difficult underground structures such as tunnels beneath existing buildings. Underpinning Protection of Sewer Lines Soil Stabilisation for Tunnel-Boring Machines (TBM support)

6 Conservation & Preservation Keller has refurbished the foundations of thousands of old churches, historical monuments and town halls, residential and industrial buildings, and infrastructure projects. Building Protection Restoration Structural Modifications Compensation of Settlements Lifting of Buildings

7 Groundwater Control & Sealing As lowering the groundwater level with deep wells is subjected to more and more restrictions, Keller is able to offer its sealing wall- and slab-technologies as alternatives. Whether it s an excavation or an embankment, Keller provides environmentally friendly solutions for any requirement. Sealing Walls Sealing Slabs Joint Seals Uplift Protection

8 Dam Sealing Keller is counted as one of the main partners for all geotechnical works relating to dams, shore protection and similar works. Our main focus lies on sealing techniques to prevent seepage below and around such structures. Repair works and extensions on existing dams and shore structures are also becoming more frequent with ageing structures and increasing demands. Dams Dykes Shore Protection Flood Protection

9 Marine Works The Keller Holding, in particular Franki Africa offers a full range of services for the marine construction market. Our services cover the design and construction of new facilities as well as the extension and restoration of existing structures such as: Dry Docks Breakwaters and Moles Jetties Quays Mooring Dolphins Remediation, Upgrading and Extending of Marine Constructions Underpinning/Tiebacks Decking

10 Soil Investigations on shore & off shore Our strength lies in carrying out large soil investigation programs for infrastructure projects, industrial plants, dams and landfill sites. Boreholes Sampling Soundings Borehole Instrumentation Borehole Tests

11 Geostructure Monitoring Services Geostructure Monitoring Services are offered by our affiliated companies Getec UK and GeTec Ingenieurgesellschaft, Germany. Getec specialises in providing instrumentation and monitoring solutions for a wide range of applications. Monitoring and Analysis of Deformations Vibration, Noise and Dust Monitoring Excavation and Sheet-Pile Wall Monitoring Real-Time Injection-Data Monitoring Geotechnical Software Rail-Track Monitoring GETEC A KELLER COMPANY

12 Business Development & Marketing Keller Holding GmbH Business Development & Marketing Kaiserleistrasse Offenbach Germany t: e: Info@KellerHolding.com Contact: Dyrik Wellershaus or Nikolai von Tiesenhausen A KELLER COMPANY EN