Tunnels & Earthworks (Cuts & Embankments) of the Comarnic – Brasov Motorway Romania

Tender Designs of Major Infrastructure Highway Projects Tunnels & Earthworks (Cuts & Embankments) of the Comarnic – Brasov Motorway Romania

Project Tunnels, cuts and embankments of the Comarnic – Brasov Motorway, Romania.

Construction Cost Total Cost: approx. €. 1.5bn.

Project Schdlhedule Tender Design: 2013 Construction: 2014 -

Project Description • Sinaia, Busteni & Predeal Twin Bore Highway Tunnels Sinaia length: 5.890m Busteni length: 6.200m Predeal length: 7.500m Excavation cross section: 84m2 -132m2 Effective cross section: 66m2 -81m2

Excavation Method NATM – Mechanical excavation, drilling and blasting

Final Lining Reinforced concrete

• Highway Cuts and Embankments (Section from Typical tunnels cross section Ch. 110+600-168+600) Embankments: Ltotal = 26.0km Cuts: Ltotal = 11.0km

Geology • Alluvial deposits, limestones, flysch, marbles, schist and conglomerates • Groundwater • Max. overburden at the tunnels: 195m – 340m

Our Services Tender design and preparation of the technical offer on behalf of ViStrAda Nord Typical embankment cross section Client ViStrada Nord Consortium (VINCI S.A. - VINCI Construction Grand Projects S.A.S. - VINCI Construction Terrassement S.A.S. – STRABAG A.G. - STRABAG S.E. – AKTOR Concessions S.A. - AKTOR S.A.)

4, Thalias Str. & 109, Kimis Ave., P.C. 151 22, Maroussi, Athens Tel.: + 30 210 6837490, + 30 210 6897040, + 30 210 6835858 Fax: + 30 210 6837499, e-mail: [email protected], www.omikronkappa.gr Highway Tunnel Τwin Bore Highway Tunnel T1 - Demir Kapija-Smokvica Motorway Section of European Corridor 10 & Part of the National Road M-1 (E-75), Skopje

Project Full face design of the twin bore highway tunnel T1 with excavation and primary support classes (E&S) for the tunnel’s main body, the cross passages and the lay-bys.

Construction Cost Total cost of the highway: approx. € 270m

Project Schedule Design: 2013 Construction: 2012 - 2015

Project Description • North bore length: ~1275m • South bore: length ~1214m • E&S classes for the main tunnel, the cross passages (vehicular and pedestrian) and the lay-by • Main tunnel’s typical excavation cross section: 75-81m2 • Method of tunnel excavation: NATM – drill & smooth blasting – heavy General view of tunnel’s T1 south entrance portal mechanical means • Maximum overburden: 215m

Geology JiJurassic Limestones massive to well bdddbedded,modlderately weathdhered and highly fractured at the fault zones, Basalts slightly weathered and Diabases-Spilites slightly to moderately weathered

Our Services • Geotechnical & Structural Design of tunnel T1 • Geological – geotechnical interpretation and evaluation • Determination of the appropriate support classes, establishment of the application criteria for each category and description of the construction stages sequence • Calculation analysis for the support measures adequacy per class and assessment of the stress-state stability conditions using 2D and 3D simulation models • Elaboration of technical reports, detailed construction drawings, calculation notes, instrumentation and monitoring program • Consultancy Services

Client AKTOR S.A.

Tunnel’s excavation face and underground stretch with the primary support measures

Project Water transfer hydraulic tunnels for electric power production.

Construction Cost Total project’s cost: approx. € 7 m.

Project Schedule Design: 2013 - 2014 Tunnel ‘s A entrance plan view Construction: 2013 - 2014

Project Description Pressurized Hydraulic Tunnel A, for water transfer from Rrapunit river dam to the electric power production station. Hydraulic Tunnel B, for the diversion of the Qarrishte river runoff to the dam basin.

Tunnel A total length: 2.310m Tunnel B total length: 200m Tunnels effective cross section: 21,00m2 Tunnel ‘s A entrance longitudinal section Excavation Method ΝΑΤΜ – Drilling and blasting – mechanical means

Geology Scree, Molasse, Ophiolites, Thrust zone of Ophiolites on the Molasse

Our Services • Geological – geotechnical evaluation • Detailed geotechnical and structural design

CiConstruction dildetails Tunnel’s entrance intermediate access • Skewed Entrance Portal of Tunnel A • Formation of two (2) additional excavation faces for the main tunnel (Tunnel A) through an intermediate access tunnel

Client AKTOR SHOQERI ANONIME TEKNIKE

Front view of tunnel A exit

4, Thalias Str. & 109, Kimis Ave., P.C. 151 22, Maroussi, Athens Tel.: + 30 210 6837490, + 30 210 6897040, + 30 210 6835858 Fax: + 30 210 6837499, e-mail: [email protected], www.omikronkappa.gr Tender Designs of Major Infrastructure Highway Projects Twin Bore Highway Tunnels of the Cross Israel Northern Highway, Sections 3 & 7 Israel

Project Cross Israel Northern Highway, Twin Bore 3 – Lane Tunnels of Road Sections 3 & 7

Construction Cost Total Cost: approx. € 80 m.

Project Schedule Tender Design: 2012-2013 Typical tunnels cross section Construction: due to commence in 2014

Project Description Twin Bore 3-Lane Highway Tunnels (Yokneam, Rekhasim & Ibtin) Mined sections total length: 9.200m Excavation cross section: 130m2 -190m2 Effecti ve cross section: 58m2 (3 x 3.70m) Pedestrian & vehicle cross passages cross section: 36m2

Composite Shotcrete Lining C30/37 Temporary support: outer shotcrete Permanent lining: sprayed waterproof membrane and steel reinforced inner shotcrete permanent lining

Excavation Method NATM – Mechanical excavation Due to strict vibration limits on the adjoining oil & gas pipelines D&B is not permitted

Geology • Limestones, chalk, dolomites, marls • Seismically active area (Carmel Fault), zones with shattered geomaterials • Karstic Features • Overburden heights: 3m – 100m

Our Services • Appraisal of the tender Basic Solution • Preparation of alternative and cost effective tunnel E&S cross sections as well as BoQ’s for the tender dossier on behalf of AKTOR S.A. & SBI Group • Tender design and preparation of the technical offer

Client AKTOR S.A. (Greece) Excavation typical cross section SBI Group (Israel)

Project Highway tunnel

Construction Cost General view of entrance portals Total project’s cost: approx. € 1,25 b.

Project Schedule Design: 2008 - 2011 Construction: 2008 -2011

Project Description Twin bore highway tunnel Length of south bound: 1,902.90 m Length of north bound: 1,945.90 m Excavation cross section: 85 – 150 m2 Method of tunnel excavation NATM – Drilling & blasting - mechanical means Final lining

Final Lining Reinforced and/or unreinforced concrete C30/37

Geology Amphibolite, Marbles, Phyllites, Amphibolitic Schists Max. overburden: 140m

Our Services • Geological – geotechnical interpretation and evaluation studies for tunnel main body & tunnel’s portals • Detailed geotechnical & structural design of tunnel portals’ • Detailed geotechnical & structural design of the tunnel • Detailed hydraulic design Tunnel’s underground face • Designer on site services • Designs elaborated by OMIKRON KAPPA CONSULTING S.A., ILF CONSULTING ENGINEERS, Innsbruck & HOCHTIEF CONSULT INFRASTRUCTURE, Essen

Construction Details • Use of lattice girders • “Closed ring” solutions

Client MALIAKOS KLEIDI CONSTRUCTION JV (HOCHTIEF - AKTOR – J&P AVAX – VINCI CGP – AEGEK – ATHENA) Secondary concreting details

4, Thalias Str. & 109, Kimis Ave., P.C. 151 22, Maroussi, Athens Tel.: + 30 210 6837490, + 30 210 6897040, + 30 210 6835858 Fax: + 30 210 6837499, e-mail: [email protected], www.omikronkappa.gr Highway Tunnel T2 Tunnel, Pathe Section Maliakos - Kleidi Motorway, Concession Project Central Greece Project Highway tunnel Construction Cost Total project’s cost: approx. € 1,25 b. Tunnel’s underground face Project Schedule Design: 2008 - 2011 Construction: 2008 - today Project Description Twin bore highway tunnel Length of south bound: 5,969.18 m Length of north bound: 5,983.53 m Excavation cross section: 85 – 150 m2 Smoke Extraction Shaft VF-1: Total length: 120 m Excavation diameter: 6.20 m Smoke Extraction Shaft VF-3: Total length: 50 m, Excavation diameter: 7 m Smoke Extraction Gallery VF-2: Waterproofing works in junction area Total length: 100 m, Excavation cross section: 48m2 Method of tunnel excavation NATM – Drilling & blasting - mechanical means Final Lining Reinforced and/or unreinforced concrete C30/37 Geology Limestones, Phyllites Max. overburden 296m Our Services • Geological – geotechnical interpretation and evaluation studies for tunnel main body, tunnel’s portals, smoke extraction shafts and smoke extraction gallery Final lining • Detailed geotechnical & structural design of main tunnel portals’ • Detailed geotechnical & structural design of the tunnel • Detailed geotechnical & structural design of the smoke extraction shafts and of the gallery • Designer on site services • Designs elaborated by OMIKRON KAPPA CONSULTING S.A., ILF CONSULTING ENGINEERS, Innsbruck & HOCHTIEF CONSULT INFRASTRUCTURE, Essen Construction Details • Use of lattice girders • “Closed ring” solutions Client MALIAKOS KLEIDI CONSTRUCTION JV (HOCHTIEF - AKTOR – J&P AVAX – VINCI CGP – AEGEK – ATHENA) Smoke extraction shaft

Project Highway tunnel General view of tunnel’s exit portals Construction Cost Total cost: approx. € 1,25 b.

Project Schedule Design: 2008 -2011 Construction: 2008 –

Project Description Twin bore highway tunnel Length of south bound: 2,799.08 m Length of north bound: 2,786.03 m Excavation cross section: 85 – 150 m2

Method of tunnel excavation Tunnel’s underground face NATM – Drilling & blasting - mechanical means

Final Lining Reinforced concrete C30/37

Geology Limes tones, serpentini zed perido tites, ophihio lites, catlittaclasites- mylonites, alluvial deposits Max. overburden : 150m

Our Services • Geological – geotechnical interpretation and evaluation studies for tunnel main body and tunnel’s portals • Detailed geotechnical & structural design of tunnel portals Excavated tunnel • Detailed geotechnical & structural design of the tunnel • Designer on site services • Designs elaborated by OMIKRON KAPPA CONSULTING S.A., ILF CONSULTING ENGINEERS, Innsbruck & HOCHTIEF CONSULT INFRASTRUCTURE, Essen

Construction Details • Use of lattice girders • “Closed ring” solutions

Client MALIAKOS KLEIDI CONSTRUCTION JV (HOCHTIEF- AKTOR–J&PAVAX–VINCI CGP–AEGEK–

ATHENA) Tunnel’s final lining

4, Thalias Str. & 109, Kimis Ave., P.C. 151 22, Maroussi, Athens Tel.: + 30 210 6837490, + 30 210 6897040, + 30 210 6835858 Fax: + 30 210 6837499, e-mail: [email protected], www.omikronkappa.gr Highway Tunnel T24 Tunnel Elefsina – Korinthos – Patras – Pyrgos - Tsakona Motorway, Concession Project Central & Southern Greece

Project Highway tunnel General view of entrance portal Construction Cost Total project’s cost: approx. € 2,8 b.

Project Schedule Design: 2009 - 2010 Construction: -

Project Description Single bore highway tunnel Length: 548m Excavation cross section: 142 ~ 173m2 Emergency Access: Length: 133m 2 Excavation cross section: 29m Finite elements mesh Method of tunnel excavation NATM – Drilling & blasting - mechanical means

Final Lining Reinforced concrete C30/37

GlGeology Conglomerates Max. overburden in T24: 70m Max. overburden in emergency access: 60m

Our Services • Geological – geotechnical interpretation and evaluation Excavation geometry studies for tunnel main body & emergency access • Detailed geotechnical & structural design of tunnel portals’ • Detailed geotechnical design • Detailed geotechnical design of the emergency access and of the portal

Construction Details • Use of lattice girders • “Closed ring” solutions

Client APION KLEOS CttiConstruction JV (VINCI CONSTRUCTION GRANDS PROJETS S.A.S. - HOCHTIEF Construction AG - J&P-AVAX S.A. - ATHENA S.A. – AKTOR S.A. Monitoring station – GEK/TERNA S.A.)

4, Thalias Str. & 109, Kimis Ave., P.C. 151 22, Maroussi, Athens Tel.: + 30 210 6837490, + 30 210 6897040, + 30 210 6835858 Fax: + 30 210 6837499, e-mail: [email protected], www.omikronkappa.gr Highway Tunnel T25 Tunnel Elefsina – Korinthos – Patras – Pyrgos - Tsakona Motorway, Concession Project Central & Southern Greece

Project Highway tunnel General view of entrance portal Construction Cost Total project’s cost: approx. € 2,8 b.

Project Schedule Design: 2009 - 2010 Construction: -

Project Description Single bore highway tunnel Length: 572m Excavation cross section: 142 ~ 173m2 Emergency Access: Length: 82m 2 Excavation cross section: 29m Finite elements mesh Method of tunnel excavation NATM – Mechanical means & drilling & blasting at places

Final Lining Reinforced concrete C30/37

GlGeology Conglomerates, cherts, limestone breccia, limestones Max. overburden in T25: 50m Max. overburden in emergency access: 31m

Our Services • Geological – geotechnical interpretation and evaluation studies for tunnel main body & emergency access Global stability analysis • Detailed geotechnical & structural design of tunnel portals’ • Detailed geotechnical design • Detailed geotechnical design of the emergency access and of the portal

Construction Details • Use of lattice girders • “Closed ring” solutions

Client APION KLEOS CttiConstruction JV (VINCI CONSTRUCTION GRANDS PROJETS S.A.S. - HOCHTIEF Construction AG - J&P-AVAX S.A. - ATHENA S.A. – AKTOR S.A. – GEK/TERNA S.A.) Excavation geometry

Project Schedule General view of south bound’s exit portal Design: 2009 - 2011 Construction: 2009 - Project Description Twin bore highway tunnel Length of south bound: 4,016m Length of north bound: 3,173m Excavation cross section: 120m2 Ventilation Adit: Total length: 480m, Excavation cross section: 75m2 Emergency Accesses: Total length: 140m, Excavation cross section: 28m2 Method of tunnel excavation NATM – Drilling & blasting - mechanical means Excavated tunnel Final Lining Reinforced concrete C30/37 Geology Conglomerates, limestones, cherts Max. overburden in T26: 270m Max. overburden in ventilation adit: 200m Max. overbdburden inemergency accesses: 45m Our Services • Geological – geotechnical interpretation and evaluation studies for tunnel main body, tunnel’s portals, ventilation adit and emergency accesses • Final landslide study in tunnel 26 area • Detailed geotechnical & structural design of main tunnel portals’ • Detailed geotechnical & structural design Tunnel’s underground face • Detailed geotechnical & structural design of ventilation adit & emergency accesses portals’ • Detailed geotechnical & structural design of the ventilation adit & of the emergency accesses • Designer on site services Construction Details • Flexible support by use of lattice girders with sliding joints in the highly squeezing parts of tunnel • “Closed ring” solutions Client APION KLEOS Construction JV (VINCI CONSTRUCTION GRANDS PROJETS S.A.S. - HOCHTIEF Construction AG - J&P-AVAX S.A. - ATHENA S.A. – AKTOR S.A. – Junction area GEK/TERNA S.A.)

4, Thalias Str. & 109, Kimis Ave., P.C. 151 22, Maroussi, Athens Tel.: + 30 210 6837490, + 30 210 6897040, + 30 210 6835858 Fax: + 30 210 6837499, e-mail: [email protected], www.omikronkappa.gr Highway Tunnel Platanos Tunnel Elefsina – Korinthos – Patras – Pyrgos - Tsakona Motorway, Concession Project Central & Southern Greece

Project Highway tunnel Construction Cost General view of entrance portals Total project’s cost: approx. € 2,8 b. PjtShdlProject Schedule Design: 2009 -2011 Construction: 2009 - Project Description Twin bore highway tunnel Length of south bound: 1,676m Length of north bound: 1,565m Excavation cross section: 120m2 Cut & Cover in Tunnel’s South Bound Exit Portal: Total length: 187m Excavated tunnel Method of tunnel excavation NATM – Mechanical means - drilling & blasting Final Lining Reinforced concrete C30/37 Geology Marls, conglomerates,limestones Max. overburden: 100m Our Services • Geological – geotechnical interpretation study • Landslide assessment at east portals, main tunnel body & west portals areas Excavation of B’ phase in marl • Detailed geotechnical & structural design of the portals • Detailed geotechnical & structural design of the tunnel • Detailed geotechnical & structural design of the cut & cover in tunnel’s south bound exit portal • Designer on site services Construction Details • Support by use of steel sets of HEB type • “Closed ring” solutions Client APION KLEOS Construction JV (VINCI CONSTRUCTION GRANDS PROJETS S.A.S. - HOCHTIEF Construction AG - J&P-AVAX S.A. - ATHENA S.A. – AKTOR S.A. – GEK/TERNA S.A.) Final lining works

4, Thalias Str. & 109, Kimis Ave., P.C. 151 22, Maroussi, Athens Tel.: + 30 210 6837490, + 30 210 6897040, + 30 210 6835858 Fax: + 30 210 6837499, e-mail: [email protected], www.omikronkappa.gr Highway Tunnels Engineering Services for Tunnels T2, T3, T4 & T5 on Kiratpur - Ner Chowk section of NH21 in the states of Punjab and Himachal Pradesh ((),HP), Concession project India Project Geological mapping & other site services for the concession project: "Tunnels T2, T3, T4, T5 on Kiratpur - Ner Chowk section of NH21 in the states of Punjab and Himachal Pradesh (HP), India

Project Description • Single tube two lane bi-directional highway tunnel T2 650m, excav. cross section ~ 105m2 • Single tube two lane bi-directional highway tunnel T3 400m, excav. cross section ~105m2 • Single tube two lane bi-directional highway tunnel T4 1410m, excav. cross section ~105m2 T2 tunnel – Location of portal P1 • Single tube two lane bi-directional highway tunnel T5 860m, excav. cross section ~105m2

Excavation Method NATM – Mechanical excavation

Geology Lower Siwalik formation of the frontal folded belt of the Himalaya consisting of alterations of sandstones & siltstones, poor to very poor encountered geology, shear zones Max. overburden ranging from 70m to 140m

Our Services • Review of the available reports and drawings • Geological mapping of the tunnels alignment (T2, T3, T4, T5) for a Shear zone in the area of the west portal P1 of tunnel T4 corridor of 100m around the centre line of alignment • Establishment of the geotechnical investigations program • Preliminary gggeological model of tunnels as per NATM classification • Contribution to the highway alignment refinement • On site consultancy services • The designs and services provided in common with INDUS CONSULTRANTS Pvt. Ltd, India

Client IL&FS TRANSPORTATION LTD, INDIA

Geological plan view of tunnel T3

Project Highway tunnel

Construction Cost General view of entrance portals Total project’s cost: approx. € 1,3 b.

Project Schedule Design: 2009 -2011 Construction: 2010 -

Project Description Twin bore highway tunnel Total length: 2 x 2910m Excavation cross section: approx. 110m2

MhdfMethod of tunne l excavat ion NATM – Mechanical excavation, drilling & blasting Pillow lavas Final Lining Reinforced concrete C30/37

Geology Dolerites, basalts, pillow lavas, shales – cherts, limestones, peridotites, serpentinites, gabbros, fault zones Max. overburden: 270m

Our Services • Detailed geological design • Detailed geotechnical & structural design • Detailed geotechnical & structural design of portals • Designer on site services 3D shell element model CttiDtilConstruction Details • Flexible support by use of lattice girders with sliding joints in the highly squeezing parts of tunnel • “Closed ring” solutions

Client E65-Construction JV (FERROVIAL AGROMAN S.A.- DRAGADOS S.A. – GEK/TERNA S.A.)

Excavated tunnel

Project Highway tunnel

Construction Cost Total project’s cost: approx. € 1,3 b.

Project Schedule Design: 2009 -2010 Construction: - Typical cross section of excavation Project Description and primary support Twin bore highway tunnel Total length: 2 x 1490m Excavation cross section: approx. 110m2

Method of tunnel excavation NATM – Mechanical excavation, drilling & blasting

Geology Sandstones, siltstones, conglomerates, fractured zones Max. overburden: 220m

Our Services • Detailed geological design • Detailed geotechnical & structural design • Detailed geotechnical & structural design of portals Longitudinal section of excavation and primary support Construction Details • Use of lattice girders • Installation of steel sets of HEB type • “Closed ring” solutions

Client E65-Construction JV (FERROVIAL AGROMAN S.A.- DRAGADOS S.A. – GEK/TERNA S.A.)

Yield zones

Project Highway tunnel Details of junction of pedestrian cross passage

Construction Cost Total project’s cost: approx. € 1,3 b.

Project Schedule Design: 2009 - 2010 Construction: -

Project Description Twin bore highway tunnel Total length: 2 x 1040m Excavation cross section: approx. 110m2

Excavation geometry of the total cross section Method of tunnel excavation NATM – Mechanical excavation, drilling & blasting

Geology Sandstones, siltstones, conglomerates, fractured zones Max. overburden: 90m

Our SiServices • Detailed geological design • Detailed geotechnical & structural design • Detailed geotechnical & structural design of portals

Construction Details • Use of lattice girders • Installation of steel sets of HEB type •“Closed ring” solutions Typical cross section of Tunnel’s final linin g with invert

Client E65-Construction JV (FERROVIAL AGROMAN S.A. - DRAGADOS S.A. – GEK/TERNA S.A.)

Finite element mesh

Project Highway tunnel

Construction Cost Total project’s cost: approx. € 1,3 b.

Project Schedule Geological – geotechnical cross section Design: 2009 -2010 Construction: -

Project Description Twin bore highway tunnel Total length: 2 x 1780m Excavation cross section: approx. 110 m2

Method of tunnel excavation NATM – Mechanical excavation, drilling & blasting

Geology Face support measures Sandstones, siltstones, conglomerates, fractured zones Max. overburden: 150m

Our Services • Detailed geological design • Detailed geotechnical & structural design • Detailed geotechnical & structural design of portals

Construction Details • Use of lattice girders • Installation of steel sets of HEB type • “Closed ring” solutions

Client E65-Construction JV (FERROVIAL AGROMAN S.A.- DRAGADOS S.A. – GEK/TERNA S.A.) Excavation geometry of the total cross section

Project Highway Tunnel

Construction Cost Total cost: approx. € 9 m.

Project Schedule Design: 2007 Backfilling cross section of entrance portals Construction: 2007-2008

Project Description Twin bore highway tunnel Length: 2 x 350m Excavation cross section: 105m2

Excavation Method NATM – Mechanical means and spot drill & blast

Final Lining Longitudinal section of excavation and primary support of Reinforced concrete C20/25 class F1

Geology Siltstones, sandstones, conglomerates Maximum overburden: 20m

Our Services • Detailed geotechnical & structural design • Detailed geotechnical & structural design of portals

Construction Details • Use of forepoles • Extended face support

Client EGNATIA ODOS S.A. Typical cross section of excavation and primary support of class F1

Project Highway Tunnel

Construction Cost Total cost: approx. € 12 m.

Project Schedule Design: 2005 Construction: 2005-2008 View of portals Project Description Twin bore highway tunnel Length: 2 x 480m Excavation cross section: 105m2

Excavation Method NATM – Mechanical excavation, drilling & blasting

Final Lining Reinforced concrete C20/25

Geology Gneisses, pegmatites, aplitic veins Maximum overburden: 30m

Typical cross section of final lining Our Services • Detailed geotechnical & structural design • Detailed geotechnical & structural design of tunnel’s portals

Construction Details • Construction of Elhlephant foot • Extended face support

Client EGNATIA ODOS S.A.

3D distribution of stresses model

Project Cut & Covers Structures – Lane Covers

Construction Cost Total cost: approx. € 15,4 m. Cost of Lane Cover Α approx. € 4,19 m. Cost of Lane Cover Β approx. € 11,2 m. General view of lane cover

Project Schedule Design: 2008 Construction: 2008-2009

Project Description Cut & Covers – Lane Covers founded in circular cross section columns and appropriate reinforced concrete piles Length of Lane Cover A: 95m Length of Lane Cover Β: 263m Maximum useful height: 9,40m

Geology Simulation analysis model of lane cover Weathered mantle of limestones, thin bedded limestones, pelites and shales

Our Services • Evaluation of the geological – geotechnical investigations • Elaboration of geotechnical design • Structural design of the lane covers • Slope stability analysis for the temporary and permanent cut slope • Dimensioning and design of lane cover’s backfilling • Detailed geotechnical & structural design • Designs jointly elaborated by OMIKRON KAPPA Typical cross section of lane cover CONSULTING S.A. and EDR GmbH, Munich

Client MINISTRY OF E.PP.PW. GENERAL SECRETARIAT OF PUBLIC WORKS GENERAL DEPARTMENT OF TRANSPORTATION WORKS

Panoramic view of cut

4, Thalias Str. & 109, Kimis Ave., P.C. 151 22, Maroussi, Athens Tel.: + 30 210 6837490, + 30 210 6897040, + 30 210 6835858 Fax: + 30 210 6837499, e-mail: [email protected], www.omikronkappa.gr Technical Works for Highway Tunnels Smoke Extraction Shaft for Driskos Twin Bore Highway Tunnel Egnatia Highway, Section 2.3 Northern Greece

Project Smoke Extraction Shaft for Driskos Twin Bore Highway Tunnel

Construction Cost Total cost: approx. € 6 m.

Project Schedule Design: 2003 - 2009 Construction: 2006 - 2011

Project Description Smoke extraction shaft View of the smoke extraction shaft Height: 190m Effective cross section: 19.5m2 Max. excavation cross section: 34.8m2

Final Lining Reinforced concrete C20/25

Method of shaft excavation Conventional descending sequential excavation and primary support with hoisting of the excavated material (shaft shinking) and ascending final lining

Geology Alterations of sandstones and siltstones with shear zones and Hoisting system faults Internal shear sliding and failure Max. depth: 190m

Our Services • Detailed geotechnical & structural design • SilSpecial didesigns for the ititiinvestigation / dtdetec tion of the filfailure zone • Design of special measures for passing through the failure zone

Construction Details • Consolidation grouting Estimated failure zone • Water isolation grouting to minimize water inflows • Shear keys • Forepoles

Client EGNATIA ODOS S.A.

Highway tunnel View of tunnel’s north bore entrance portal (to Tirana)

Construction Cost Total ppjroject’s cost: approx. € 70 m.

Project Schedule Design: 2011 Construction: 2011 -2012

Project Description Twin bore highway tunnel Length of south bound: 2,580.3 m Length of north bound: 2,320.6 m Excavation cross section: 90 – 120 m2 Cross passages (total length): 149.53 m Underground part of tunnel Method of tunnel excavation NATM – Drilling & blasting - mechanical means

Final Lining Reinforced concrete C25/30

Geology Molassic formations consisting of sandstone and siltstone alterations, thick-bedded sandstones, siltstones, rare interlayers of conglomerates Max. overburden: 210m

Our Services Tunnel’s underground face • Geological – geotechnical interpretation and evaluation studies for tunnel main body & tunnel’s portals • Detailed geotechnical & structural design of tunnel portals’ • Detailed geotechnical & structural design of the tunnel • Detailed hydraulic design • Designer on site services

Construction Details • Use of lattice girders • “Opened & Closed ring” solutions • Artificial reinforced concrete cover structure (C20/25) for tunnel construction in gully area

Client Artificial concrete cover structure at gully area AKTOR SHOQERI ANONIME TEKNIKE

4, Thalias Str. & 109, Kimis Ave., P.C. 151 22, Maroussi, Athens Tel.: + 30 210 6837490, + 30 210 6897040, + 30 210 6835858 Fax: + 30 210 6837499, e-mail: [email protected], www.omikronkappa.gr Technical Works Lane Covers Elefsina – Korinthos – Patras – Pyrgos – Tsakona Motorway, Concession Project Central & Southern Greece

Project Final design of lane covers

Project Schedule Design: 2009 - 2011 Typical cross section of Eliki East lane cover Construction: 2010 - 2011

Project Description Lane covers founded in circular cross section columns and founded on cast in place reinforced concrete pile series

Length of Platanos lane cover: 38m Length of Temeni lane cover: 118m Length of Eliki East lane cover: 38m

Geology

Brecciated limestones, sands, gravels, clays Simulation analysis model of the lane cover

Our Services • Evaluation of the geological – geotechnical investigations • Geotechnical design of the lane covers • Structural design of the lane covers • Slope stability analysis for the temporary and permanent cut slopes • Dimensioning and design of the lane covers • Detailed construction drawings • Final rehabilitation of the lane covers • Detailed geotechnical & structural design

Client General view of the lane cover AKTOR S.A.

Structure model of Platanos lane cover

Project Highway tunnels

Construction Cost Total cost: approx. € 97 m.

Project Schedule Design: 2000-2003 Construction: 2000-2004

Project Description - Twin bore highway tunnels (AS1 & AS2) Total length: 3050m ΑS1 Tunnel, right bore (Gerania) Cross section: 192m2 - Single tunnel (AS3) Length: 1100m Cross section: 192m2

Method of tunnel excavation NATM – Drilling and blasting

Final Lining Reinforced concrete C20/25

Geology Limestones, scree, in a seismically active area Max. overburden: 200m ΑS2 Tunnel, right bore (Εfpalinos) Our Services • General geotechnical & structural design • Final structural design jointly elaborated by OMIKRON KAPPA CONSULTING & EDR GmbH, Munich

Construction Details Design of special reinforced concrete structure (RCS) and special reinforced concrete structure with polystyrene (RCSP) for the completion of AS1 tunnel cross section, due to steep morphology and vicinity to existing highway

Client AKTOR S.A. ΑS3 Tunnel (Ethra)

Project Highway Tunnel

Construction Cost Total cost: approx. € 84,25 m.

Project Schedule Design: 2003-2005 Construction: 2006-present day

Project Description Twin-bore highway tunnel Total length: 2 x 2670m Cross Section: 105m2

Driving Method NATM – Mechanical excavation, drilling & blasting

Entrance portals Final Lining Reinforced concrete C20/25

Geology Siltstones, sandstones, peridodites, cherts, gabbro, schists, red pelites, tectonic melange Max. overburden: 250m

Our Services • Detailed design of excavation, primary support and final lining, including all relevant works (portals, niches, lay- bys, cross passages, hydraulic arrangements) • Supervision of geotechnical surveys and geotechnical evaluation along the two tunnel bores •Elblaboration of tend er documents • The designs were jointly elaborated by OMIKRON KAPPA CONSULTING & EDR GmbH, Munich

Exit portal of the right bore Construction Details • Closed-ring solutions • Stiffened primary support shell • Design of the entrance portals with the Cover & Cut method, due to existing surface failures

Client EGNATIA ODOS S.A.

Project Highway tunnel

Construction Cost Total cost: approx. € 14,6 m.

Project Schedule Design: 2000-2003 Construction: 2001-2006

Project Description Twin bore highway tunnel Total length: 2 x 241m Entrance portals Cross section: 105m2

Method of tunnel excavation NATM – dlldrilling an dbld blasting wit h occasiona lllly mec hanica l excavation

Final Lining Reinforced concrete C20/25

Geology Flysch formation consisting mainly of thick bedded sandstones, intercalations of thin bedded siltstones & thin bedded sandstones and very soft shales Major water inflows Max. overburden: 60m Excavated tunnel

Our Services • Detailed geotechnical & structural design • Supervision of construction

CttiDtilConstruction Details • Use of forepoles and spiles • Special drainage measures

Client EGNATIA ODOS S.A.

Entrance Portals Cut&Covers

Project Highway tunnel

Construction Cost Total cost: approx. € 23,5 m.

Project Schedule Design: 2000-2002 Construction: 2001-2005

Project Description Exit portals Twin bore highway tunnel Total length: 2 x 783m Cross section: 105 -150m2

Method of tunnel excavation NATM – drilling and blasting with occasionally mechanical excavation

Final Lining Reinforced concrete C20/25

Geology Desiggpn of entrance portals Flysch formation consisting mainly of thick bedded sandstones Intercalations of thin bedded siltstones & sandstones and soft shales Major water inflows Max. overburden: 95m

Our Services Detailed geotechnical & structural design

Client EGNATIA ODOS S.A.

Tunnel cross section in the 3-lane part

Project Highway tunnel

Construction Cost Total cost: approx. € 88 m.

Project Schedule Design: 2001-2003 Construction: 2001-2006

Project Description Twin bore highway tunnel Entrance portals Total length: 2 x 1917m Cross section: 105m2

MthdMethod o ftf tunnel excavati on NATM – Mechanical excavation, drilling & blasting

Final Lining Reinforced concrete C20/25

Geology Flysh formation consisting of sandstones and weak siltstones Chaotic melangggye consisting mainly of weak and soft siltstones Max. overburden: 250m Exit Portals

Our Services • Detailed geotechnical & structural design • Supervision of construction

Construction Details • Flexible support by use of lattice girders with sliding joints in the highly squeezing parts of tunnel • “Closed ring” solutions

Clients • SOTIROPOULOS & ASSOCIATES S.A. •AKTORS.A. Tunnel with final lining

Project Highway tunnel

Construction Cost Total cost: approx. € 14,6 m.

Project Schedule Design: 2001-2003 Construction: 2001-2005

Project Description Twin bore highway tunnel Total length: 2 x 673m Cross section: 105m2 Exit portals

Driving Method NATM – Mechanical excavation with occasional drilling and blasting

Final Lining Reinforced concrete C20/25 and C30/37

Geology Very weak tectonically deformed silty or clayey shale forming a chaotic structure Thin layers of sandstones and siltstones, transformed into small rock pieces

Max. overburden: 90m Entrance portals

Our Services • Detailed design of rehabilitation measures • Redesign of the excavation, primary support & final lining •Actual monitoring evaluation • Supervision during construction

Construction Details • Demolition and rehabilitation of the highly deformed existing support shell • Intermediate lining

Client EGNATIA ODOS S.A. Typical cross section

Project • Highway tunnel • Ventilation shaft

Construction Cost Total cost: approx. € 129 m.

Project Schedule Design: 1999-2001 Construction: 1999-2005

Project Description Entrance portals - Twin bore highway tunnel Total length: 2 x 4500m Cross section: 105m2 - Ventilation shaft Height: 186m Cross section: 22.4m2

Method of tunnel excavation NATM – drilling and blasting, mechanical excavation

Final Lining Reinforced concrete C20/25

MthdMethod o f s hfthaft excava tion Top down construction except the last meters which will be Driskos twin bore highway tunnel during a’ phase excavation excavated through the tunnel

Geology Alterations of sandstones and siltstones with shear zones and faults Max. overburden: 230m

Our Services • Detailed geotechnical & structural design • Detailed geotechnical & structural design for the ventilation shaft

Construction Details • Consolidation grouting • Prestressed anchors

Clients Tunnel cross section in the position of the •AKTORS.A. ventilation shaft • EGNATIA ODOS S.A.

Project Highway tunnel

Construction Cost Total cost: approx. € 29,3 m.

Project Schedule Design: 2000-2002 Construction: 2000-2006

Project Description Longitudinal section of primary support class Twin bore highway tunnels with forepoles Total length: 3108m Cross section: 105m2

Method of tunnel excavation NATM – dlldrilling an dbld blasting wit h occasiona lllly mec hanica l excavation

Final Lining Reinforced concrete C20/25

Geology Limestones highly brecciated Cataclastic limestones Evaporites Major fault zone S1 tunnel Max. overburden: 120m

Our Services • Detailed geotechnical design • Supervision of construction

CttiDtilConstruction Details • Use of forepoles and spiles • Grouted piles as face control

Client PANTECHNIKI S.A.

S2 tunnel

Project Highway tunnel

Construction Cost Total cost: approx. € 13,2 m

Project Schedule DiDesign: 1998-2001 Construction: 2000-2003

Project Description Twin bore two highway tunnel Total length: 2 x 272m Exit portals Cross section: 105m2

Method of tunnel excavation NATM – Mechanical excavation

Final Lining Reinforced concrete C20/25

Geology Thin bedded marbles, gneisses and highly weathered schists with chaotic structure Max. overburden: 50m

Our Services Final lining construction works • Detailed geotechnical & structural design • Redesign of entrance portal due to major active landslide

Construction Details • Forepoling umbrellas in both top-heading and bench • Extensive face support • Very stiff temporary support shell

Client EGNATIA ODOS S.A.

Entrance portals

Project Highway tunnel

Construction Cost Total cost: approx. € 29,3 m.

Project Schedule Design: 2000-2001 Construction: 2000-2003

Project Description Entrance portals Length: 1300m Cross section: 104m2

Method of tunnel excavation NATM – drilling and blasting

Final Lining Reinforced concrete C20/25

Geology Thin bedded limestones, phyllites and schists Max. overburden: 127m

Tunnel with fi nal li ni ng Our Services Detailed geotechnical & structural design

Client AKTOR S.A.

Left bore exit portal

Project Highway tunnel

Construction Cost Total cost: approx. € 8 m.

Project Schedule Design: 1999-2001 Construction: 1999-2003

Project Description Length: 110m 2 Cross section: 113m Entrance portal

Method of tunnel excavation NATM – Mechanical excavation

Final Lining Reinforced concrete C20/25

Geology Flysh formation consisting of siltstones and marls Max. overburden: 14m

Our Services • Detailed geotechnical & structural design • Design jointly elaborated by OMIKRON KAPPA CONSULTING Nafpaktos tunnel & EDR GmbH, Munich

Construction Details • Use of forepoles • “Closed ring” solutions

Client TRITON S.A.

Exit portal

Project Highway tunnel

Construction Cost Total cost: approx. € 88,1 m.

Project Schedule DiDesign: 2000-2004 Construction: 1999-2005

Project Description Twin bore highway tunnel Entrance portals Total length: 2 x 230m Cross section: 105m2

Method of tunnel excavation NATM – mechanical excavation

Final Lining Reinforced concrete C20/25

Geology Phyllites limestones and soil materials in an active landslide area Max. overburden: 35m Tunnel fully excavated Our Services • General geotechnical & structural design • Design of rehabilitation and stabilization measures in a transnationally moving tunnel • Structural design jointly elaborated by OMIKRON KAPPA CONSULTING & EDR GmbH, Munich

Construction Details • Concrete anchored pile wall • Prestressed permanent anchors applied from inside the tunnel at the area of the cracked invert • Cement consolidation grouting applied from inside the tunnel

Client Tunnel with final lining AEGEK SAS.A.

Project Highway tunnel

Construction Cost Total cost: approx. € 82,2 m.

Project Schedule Design: 1999-2001 Construction: 1999-2003

Project Description Twin bore highway tunnels Cut & Cover entrance portals of S1 tunnel Total length: 2x840 & 2x315m Cross section: 105m2

Method of tunnel excavation NATM – Drilling and blasting, mechanical excavation

Final Lining Reinforced concrete C20/25

Geology Phyllites, sandstones Ground water Max. overburden: 120m

Our Services S2 exit portals • Detailed geotechnical & structural design • Structural design jointly elaborated by OMIKRON KAPPA CONSULTING & EDR GmbH, Munich

Construction Details •Face support with spiles • Special drainage and bolting technique

Client AKTOR S.A.

Construction of final lining in S1 tunnel

Project Highway tunnel

Construction Cost Total cost: approx. € 5 m.

Project Schedule Design: 2001-2002 Construction: 2002-2005

Project Description Twin bore highway tunnel Total length: 2 x 287m Entrance Portals Cross section: 105m 2

Method of tunnel excavation NATM – Drilling and blasting, mechanical excavation

Final Lining Reinforced concrete C20/25

Geology PhPhylli llites, sandstones Max. overburden: 25m

Our Services • Detailed geotechnical & structural design • Structural design jointly elaborated by OMIKRON Construction works for the landscape rehabilitation KAPPA CONSULTING & EDR GmbH, Munich of the entrance portals

Client AKTOR S.A.

Project Highway tunnel

Construction Cost Total cost: approx. € 16 m.

Project Schedule Design: 2000-2003 Construction: 2000-2005

Project Description Road tunnel Total length: 623m Cross section: 113m2 Entrance portal

MthdMethod o ftf tunnel excavati on NATM – Drilling and blasting with occasionally mechanical excavation

Final Lining Reinforced concrete C20/25

Geology Marls,,y,g, clays, gravels, evaporites, limestones Ground water Max. overburden: 75m

Our Services • Detailed geotechnical & structural design Tunnel cross section • Structural design jointly elaborated by OMIKRON KAPPA CONSULTING & EDR GmbH, Munich

Construction Details • Use of spiles • Stiff concrete lining

Client EFKLIDIS S.A.

Cut & Cover structure in the exit portal

Project Highway tunnel

Construction Cost Total cost: approx. € 66m. m.

Project Schedule Design: 2001-2002 Construction: 2006-2007

Project Description Exit portal excavations works Twin-bore highway tunnel Total length: 2 x 310m Cross section : 105m 2

Driving Method NATM – Mechanical excavation, drilling & blasting

Final Lining Reinforced concrete C20/25

Geology Marbles, schists, gneisses Max. overburden: 40m

Our Services • Detailed design of excavation, primary support and final lining, including all relevant works (portals, niches)

• Design of hydraulic arrangements Typical tunnel cross section • Design of landscape rehabilitation in the tunnel’s portals

Client EGNATIA ODOS S.A.

4, Thalias Str. & 109, Kimis Ave., P.C. 151 22, Maroussi, Athens Tel.: + 30 210 6837490, + 30 210 6897040, + 30 210 6835858 Fax: + 30 210 6837499, e-mail: [email protected], www.omikronkappa.gr Tender Designs of Infrastructure Highway Projects Tunnels & Technical Works of the PATHE Highway at Platamonas to Katerini section Central Greece Project Tunnels, gallery and audit of existing technical works of the PATHE Highway at the section from Platamonas to Katerini Construction Cost Total Cost: approx. € 1,2 b. Project Schedule Tender Design: 2004-2005 Construction: 2007-2012 Project Description • S1 Tembi & Platamonas Twin Bore Highway Tunnels Total length: 10.330m Excavation cross section: 106m2 -195m2 Effective cross section: 66m2 -84m2 Pedestrian & vehicle cross passages total length: 420m Excavation cross section: 12,5m2 -33,7m2 Effective cross section: 7,5m2 -24m2 Platamonas tunnel ventilation shaft Shaft depth: 35m, Cross section: circular with effective diameter 5,3m Excavation Method NATM – Mechanical excavation, drilling and blasting Permanent Investment Reinforced concrete Gallery Typical Tunnels cross section • Length 400m, cross section: open rectangular with inner dimensions 0,5m(width) x 6,78m(height) • Openings of 2,95m width & 3,95m height from piles Ø F120 in axial distances 4,15m Audit on the structural adequacy of 52 existing bridges & overpassages Geology • Alluvial deposits scree, limestones, schists, marbles, phyllites, serpentinites, amplibolites • Groundwater

• Max. overburden at the tunnels: 100m – 280m Typical Gallery cross section Our Services Tender design and preparation of the technical offer on behalf of OLIMPIA ODOS Group Client OLIMPIA ODOS Group (ELLINIKI TECHNODOMIKI S.A. – TEV S.A.- AKTOR S.A. – J&P ΑVΑX S.A. – ETETH S.A. – VINCI S.A. – VINCI CONSTRUCTION GRANDS PROJECTS)

Project Ionia Odos Highway Tunnels

Construction Cost Total cost: approx. € 40 m.

Project Schedule TdTender DiDesign: 2005 Construction: 2007-2010

Project Description Typical tunnel cross section 4 Twin Bore Highway Tunnels • Total length: 7.210m • Excavation cross section: 84m2 -133m2 • Effective cross section: 64m2 -81m2

Pedestrian & Vehicle Cross Passages • Total Length: 720m • Excavation cross section: 12,5m2 -33,7m2 • Effective cross section: 7,5m2 -24m2

Excavation Method Excavation & NATM – Mechanical excavation, drilling and blasting temporary support typical cross section

Permanent Investment Reinforced concrete Β35

Geology • Flysch (alternations of sandstones, siltstones),thin- bedded limestones • Max. overburden height: 60m – 110m Temporary support & tunnel portals rehabilitation typical Our services cross section Tender designandpreparation of the technical offer on behalf of AIAS Group

Client ΑΙΑS Group (J&P ΑVAΧ S.A. – ETETH S.A. – VINCI CONSTRUCTION HELLAS S.A. – VINCI CONSTRUCTION GRANDS PROJECTS)

Project E65 Highway Tunnels

Construction Cost Total cost: approx. € 1.3 b.

Project Schedule Tender Design: 2006 Construction: 2007-2010

Project Description 12 Twin Bore Highway Tunnels • Total length: 20.100m • Excavation cross section: 86m2 -167m2 • Effective cross section: 61m2 -78m2

Pedestrian & Vehicle cross passages • Total length: 720m • Excavation cross section: 12,5m2 -33,7m2 • Effective cross section: 7,5m2 -24m2

Excavation Method NATM – Mechanical excavation, drilling and blasting

Permanent Investment Reinforced concrete Β35

Geology Typical Tunnels cross section • Dolerites, peridotites, cherts, gabbro, molasse formations (conglomerates, sandstones, siltstones) • Max. overburden height: 30m – 310m

Our services Tender design and preparation of the technical offer on behalf of ELLINIKES DIADROMES Group

Client ELLINIKES DIADROMES Group

4, Thalias Str. & 109, Kimis Ave., P.C. 151 22, Maroussi, Athens Tel.: + 30 210 6837490, + 30 210 6897040, + 30 210 6835858 Fax: + 30 210 6837499, e-mail: [email protected], www.omikronkappa.gr Tender Designs of Infrastructure Highway Projects Tunnels & Technical Works of the Elefsina – Korinthos – Patras – Pyrgos – Tsakona Highway Central & Southern Greece Project Tunnels, galleries, Cut & Covers and permanent retaining open cuts Elefsina – Korinthos – Patra - Pyrgos – Tsakona Motorway Construction Cost Total Cost: approx. € 2,8 b. Project Schedule Tender Design: 2006 Construction: 2007-2011 Project Description • Works along the existing operating Korinthos – Patra Highway 14 Highway Tunnels (7 single bore & 7 twin bore) • Total length: 18.790m • Excavation cross section: 84m2 -167m2 ,Effective cross section: 59m2 -82m2

Pedestrian & Vehicle Cross Passages Typical Tunnel cross section • Total length: 1.640m, • Excavation cross section: 12,50m2 -33,7m2,Effective cross section: 7,5m2 -24,00m2 Panagopoula tunnel ventilation shaft • Shaft depth: approx. 200m, cross section: circular with diameter 5m Excavation Method: NATM – Mechanical excavation, drilling and blasting Final lining: Reinforced concrete B35 1 Twin Bore Cut & Cover and 3 single bore galleries • Total length: 555m • Cross section: closed box (C&C) and columns with diameter 1,2m at axial distances of 4,2m at the section between the two carriageways • Installation of concrete pile wall and pre-stressed anchors for slope stability purposes 18 permanent retaining open cuts

• Total length: 3.420m, max. height: 5m-20m Typical Gallery cross section • Anchored pile retaining walls, galvanized anchors, rock fall protection barriers, anchored barriers for slope protection Geology • Neogene & marls, conglomerates, sandstones, limestones, cherts, flysch, scree • Groundwater, seismically active area • Extensive landslides at some sections, surface failures, loose soil materials from ldldlandslides • Max. overburden at the tunnels: 35m – 270m Our Services • Tender design and preparation of the Technical offer on behalf of APION KLEOS Group • Geological & Geotechnical on site evaluation • Safety Assessment of the existing tunnels on “Kakia Scala” & “Patra Bypass” Permanent retaining open cuts typical Tunnels cross section • The designs were jointly elaborated by “OMIKRON KAPPA CONSULTING” & “EDR GmbH”, Munich Client APION KLEOS Group (AKTOR S.A. - J&P AVAX S.A. - ELLINIKI TECHNODOMIKI S.A.– VINCI CONSTRUCTION HELLAS S.A.)

Project Cut & Cover

Construction Cost Total cost: approx. € 3,5 m.

Project Schedule Design: 2003 Construction: 2003-2005

Project Description Cut & Cover Cut & Cover crown Concreting works Total Length: 120m Cross section of horseshoe type

Geology Marls, clays, gravels Landslide materials Groundwater

Our Services • Detailed geotechnical & structural design • Design jointly elaborated by OMIKRON KAPPA CONSULTING & EDR GmbH, Munich

Construction Details Cut & Cover base reinforcement and lateral walls • Construction of two rows of piles connected with cap construction beams • Connection of the Cut & Cover crown with the cap beams • Formation of the portal walls in curved surface with the use of metal fkformwork • Construction of portal walls with the use of metal formwork of 8m length

Client EFKLIDIS S.A.

Cut & Cover crest

Project Cut & Cover structures for the landscape rehabilitation of tunnels portals

Construction Cost Total cost: approx. € 1-4 m.

Project Schedule Design: 2000 - 2005 Construction: 2000 - 2005 AS1 tunnel entrance portal structure / cut & cover (Highway PATHE, Kakia Skala section) Project Description Cut & Cover Total Length: 5 - 120m Cross section of horseshoe type

Geology Schists, limestones Weak overthrust materials, sandstones Siltstones Groundwater

Our Services • Detailed geotechnical & structural design • Designs jointly elaborated by OMIKRON KAPPA S1 tunnel entrance portal cut & cover (Egnatia Odos, CONSULTING & EDR GmbH, Munich section 5.2-5.3)

Clients • EGNATIA ODOS S.A. •AKTORS.A. • AEGEK S.A. • EFKLIDIS S.A. • J&P-AVAX(HELLAS) S.A.

Agios Nikolaos entrance portals cut & cover structures (Egnatia Odos, section 3.3)

Project Cut & Cover

Construction Cost Total cost: approx. € 5 m.

Project Schedule Design: 2004 Construction: Under construction

Project Description Cut & Cover Length: 140m Typical Cut & Cover cross section Cross section: Rectangular Width: 13,30m Vertical walls with height 8,80m-9,50m Crown characteristics: Height: 1m Thickness: 40cm Retaining and parapet walls in the beginning and the end of the Cut & Cover for the connection of the structure with the open road works

Geology Very weak tectonically deformed siltstones, Brecciated limestones Groundwater Front view of the Cut & Cover Our Services • Detailed geotechnical & structural design • Structural design jointly elaborated by OMIKRON KAPPA CONSULTING & EDR GmbH, Munich

Client EFKLIDIS S.A.

4, Thalias Str. & 109, Kimis Ave., P.C. 151 22, Maroussi, Athens Tel.: + 30 210 6837490, + 30 210 6897040, + 30 210 6835858 Fax: + 30 210 6837499, e-mail: [email protected], www.omikronkappa.gr Railway Project Consulting services, technical review and checking of designs and Panagopoula Railway Tunnel associated detailed designs Athens - Patras High Speed Railway Line, Section Rododafni – Psathopirgos Greece

Project • Consulting services, technical review and checking of the designs of the project: “Construction of the New Double High Speed Railway Line at the section Rododafni – Psathopirgos from CH. 91+500 until CH. 113+000 and Panagopoula Railway Tunnel design”. • Panagopoula railway tunnel detailed designs. Construction Cost Total cost: approx. € 293 m. Project Schedule Design – Construction: 2013 – 2016 West adit’s E&S class ΣΠ2 Project Description Consulting services, technical review and checking for the following structures: • Four (4) Roadway Bridges • Thirty (30) Railway Bridges • Fifty (50) Retaining Walls • Panagopoula twin bore railway tunnel including entrance and exit structures with total length ~8.500m Panagopoula railway tunnel detailed designs: • Panagopoula railway tunnel West adit Length: 68m, Cross section: 44m2, Overburden: 35m Bridge’s pilewall detail • Panagopoula railway tunnel West adit portal (Length : 18m , Piles Ø 1.20) • West cavern and cross gallery of Panagopoula railway tunnel Length: 52m, Cross section: 77m2, Overburden: 62m • Intermediate cavern and cross gallery of Panagopoula railway tunnel Length: 55m, Cross section: 77m2, Overburden: 202m

Geology Quaternary deposits of clayey scree from the marls weathering encountered in the area and pliocene and pleistocene sediments characterized by marls (stiff clays) and conglomerates alternations, limestones, chertstones Adit’s plan view Our Services • Consulting services, review and checking of the designs of the project in order to identify adequacy and incompleteness of the available desgns relevant to the projects’ feasibility and constructability • Detailed design of Panagopoula railway tunnel West adit and portal • Detailed designs of the intermediate and west caverns and cross galleries of Panagopoula railway tunnel Clients • AKTOR S.A. – J&P AVAX S.A. – INTRAKAT S.A. Joint Venture Adit’s portal pilewall • AKTOR S.A. – J&P AVAX S.A. Construction Joint Venture

Project Railway Tunnel SS5

Construction Cost Total cost: approx. € 5,5 m. Entrance portal view Project Schedule Design: 2010 Construction: 2008-2010

Project Description Excavation of the rest part of SS5 Tunnel Total length: 370m Unemined length 32m Excavation cross section: 160m2

Excavation Method NATM – Use of mechanical means Excavation and primary support Typical cross section Final Lining Reinforced concrete C30/37

Geology Basalts, schist-cherts

Our Services • Special detailed geotechnical design for the unexcavated section of the tunnel • Detailed structural design for the total length of the tunnel • Detailed design and rehabilitation of the entrance portal

Portal skew edge Construction Details • Use of forepoles and spiles • Excavation in two phases

Client AKTOR S.A.

Static simulation model

Project Twin Bore Railway Tunnel SS6

Project Schedule Design: 2010 CtCostructi on: 2009 -

Project Description • Design of unmined part of tunnel, based on collected Exit portals view data from the already excavated part and on back analysis • Preliminary design check for the adequacy of final lining

Total tunnel length: 2 x 6400m Unmined length: 2 x 1800m Maximum overburden: 375m Excavation cross section: 120m2

Excavation Method NATM – Use of mechanical means and drilling & blasting

Final Lining Excavation and primary support Cross section Reinforced concrete C30/37

Geology Basalts, pillow lavas, dolerites, diabase, peridotites, schist-cherts

Our Services • Geotechnical design for the excavation and primary support of the unmined part of the tunnel • Check for the adequacy of final lining

Construction Details • Use of forepoles and spiles • Excavation in two phases

Client AKTOR S.A.

Finite elements model

4, Thalias Str. & 109, Kimis Ave., P.C. 151 22, Maroussi, Athens Tel.: + 30 210 6837490, + 30 210 6897040, + 30 210 6835858 Fax: + 30 210 6837499, e-mail: [email protected], www.omikronkappa.gr Platanos & Trapeza Railway Tunnels and associated Hydraulic Drainage Tunnel Athens - Patras High Speed Railway Line, Section Kiato - Egio Central Greece Project • Platanos railway tunnel • Trapeza railway tunnel • Water drainage tunnel Construction Cost Total cost : approx. € 100 m. Project Schedule Design: 2007 -2009 Construction: 2007 - Trapeza tunnel entrance portal Project Description –Section of Platanos Railway Tunnel Tunnel’s length: 500m Excavation cross section : 140m2 -Section of Trapeza Railway Tunnel Tunnel ‘s length: 2.715m Excavation cross section: 140m2 -Water Drainage Tunnel Tunnel ‘s length: 200m Cross section: 7m2 Method of tunnel excavation NATM – Use of mechanical means

TBM (Tunnel Boring Machine) for Trapeza tunnel pipe jacking Top heading Excavation geometry

Final Lining Reinforced concrete C30/37 and precast reinforced concrete segments Geology Marls, conglomerates, marine deposits Maximum overburden of Platanos tunnel: 90m Maximum overburden of Trapeza tunnel: 90m Maximum overburden of water drainage Tunnel: 30m Our Services Detailed geotechnical & structural design Construction Details • Use of forepoles and spiles Tunnel’s face – Grey Marl • Excavation in two phases • Pipe jacking technique Client AΚΤOR S.A.

Project Hydraulic tunnel

Construction cost Total cost: approx. € 2,2 m.

Project Schedule Design: 2006 -2007 Construction: 2007

Project Description Hydraulic diversion tunnel of Kostarakos stream Entrance portal general view Length: 310m Maximum overburden: 45m Effective cross section: 19,8m2

Excavation Method NATM – Drilling & blasting and mechanical means

Final Lining Reinforced concrete C20/25 in tunnel’s sides Gunite C25/30 in crown section

Geology Peridotites, serpentinized peridotites, serpentinites, tectonic melange

Our Services Peridotites – seprentinized peridotites • Detailed geological – geotechnical design • Detailed geotechnical & structural design of tunnel and portals

Construction Details • Use of forepoles and spiles • Stiff temporary support by using steel sets of HΕΒ type • Support by use of anchors and shotcrete • Closed ring solutions

Client AKTOR S.A.

Final lining typical cross section

4, Thalias Str. & 109, Kimis Ave., P.C. 151 22, Maroussi, Athens Tel.: + 30 210 6837490, + 30 210 6897040, + 30 210 6835858 Fax: + 30 210 6837499, e-mail: [email protected], www.omikronkappa.gr Hydraulic Tunnel Hydraulic Drainage Tunnel for the stabilization of the landslide in the Big Cut area Egnatia Highway, Section 3.3 – 3.5.1 Northern Greece

Project Hydraulic tunnel

Construction cost Total cost: approx. € 3 m.

Project Schedule Design: 2008 Construction: 2008

Project Description Hydraulic drainage tunnel for the stabilization of the Hydraulic drainage tunnel entrance portal landslide in the Big Cut area Length: 520m Maximum overburden: 100m Effective cross section: 19,8m2

Excavation Method NATM – Mechanical means

Final Lining Reinforced concrete C20/25

Geology Peridotites, serpentinized peridotites, serpentinites, tectonic melange Excavated tunnel Our Services Detailed geotechnical & structural of the tunnel and portals

Construction Details •Useof steel sets of HEB type • Use of anchors and shotcrete • Micropiles for shotcrete shell's foundation improvement • Closed ring solutions

Client AKTOR S.A.

Excavation and primary support Cross section

Project Water supply –Spillover – Discharge tunnel of dam and relevant works Dam inundation basin Dam road works Construction Cost Total cost: approx. € 5 m. Project Schedule Design: 2005 - 2006 Construction: 2005 - today Project Description • Water supply – Spillover – Discharge tunnel Length: 1.180m Effective cross section: 14,3m2 • Works of entrance and exit water supply tunnel and design of water supply tower • Dam basin water flush - Reservoir length in the upper flood level: ~ 1.900m - Riidthithfldll120Reservoir width in the upper flood level: ~ 120m - Reservoir capacity in the upper flood level: ~ 2,9m3 Dam, spillover and section of water flush basin view - Reservoir capacity in the upper storage level: ~ 2,6m3 Geology Intercalations of schists and sandstones Thick – bedded sandstones Surface failures and creep Max. overburden of water supply tunnel: 126m Our Services • Execution and evaluation of geotechnical investigation program • Design of water supply – Spillover – Discharge tunnel • Relevant tunnel works: - Water supply tower with valves in 4 different levels - Technical tunnel inflow - Tunnel gates placed in vertical shaft approx. 90m before the exit portal -Verticalllfhl wall after the tunne l exit porta lfhl, for the energy dffdiffusion Dam view - Technical basin of calmness - Non-controlled spillover for the water outflow from the technical basin to the natural canal - Drinking water shaft in trench underneath the tunnel - Water supply outflow downstream the tunnel towards the control valves house • Flood wave study downstream the water supply – spillover – discharge tunnel, along the new receiver • Specific techno-geological study of slope’s stability of inundation basin Client AKTOR S.A.

Project Hydraulic tunnels for water transfer

Construction Cost Total Cost: approx. € 15 m.

Project Schedule Design: 2007 - 2010

Construction: 2008 - 2012 Tunnel S1 Exit

Project Description Hydraulic tunnels for the transfer of water (S1 & S2 tunnels) from Aposelemi dam at the refineries and from there at Saint Nikolaos (Vrachasi tunnel)

S1 hydraulic tunnel length: 1,590m S2 hydraulic tunnel length: 2,050m Vrachasi hydraulic tunnel length: 680m

Tunnels effective cross section: 8.50m2 Tunnel S1 Entrance View Excavation Method ΝΑΤΜ – Drilling and blasting – mechanical means

Geology Phyllites, schists, limestones

Our Services • Geological – geotechnical evaluation • Detailed geotechnical and structural design Construction details • Use of spiles • Final lining from shotcrete at tunnel’s top heading and Tunnel S2 Entrance reinforced concrete at tunnels sidewalls

Client AKTOR S.A.

Tunnel S2 Exit

Project Hydraulic tunnel

Project Schedule Design: 2003 Construction: 2003-2004

Project Description Hydraulic tunnel passing through the Andes Length: 25000m Cross section: 30m2

Method of tunnel excavation Yacambu – Quibor tunnel NATM – Mechanical excavation, drilling and blasting

Final Lining Reinforced shotcrete

Geology Sandstones, phyllites and limestones Squeezing conditions Max. overburden: 1200m

Our Services • Detailed design of final lining, in specific sections of the tunnel • Designs jointly elaborated with Dr Evert Hoek Underground excavation face view

Construction Details Steel sets with sliding joints in order to confront severe squeezing problems

Client SISTEMA HIDRAULICO YACAMBU – QUIBOR S.A.

Entrance portal

Project Hydraulic tunnel

Construction Cost Total cost: approx. € 4 m.

Project Schedule Design: 2003 Construction: 2003-2004

Project Description Hydraulic tunnel for the flood protection of the Olympic Village, application of pipe jacking technique Total length: 320m Cross section: 20m 2

Method of tunnel excavation Pipe Jacking

Geology Marls, clays, gravels

Our Services • Detailed geotechnical & structural design of the tunnel with pipe jacking technique Pipe jacking breakthrough • Detailed design of construction shafts

Client AKTOR S.A.

Pipe jacking entrance through the construction shaft

4, Thalias Str. & 109, Kimis Ave., P.C. 151 22, Maroussi, Athens Tel.: + 30 210 6837490, + 30 210 6897040, + 30 210 6835858 Fax: + 30 210 6837499, e-mail: [email protected], www.omikronkappa.gr