O T M WORKS CARRIED OUT

PROJECT CHARACTER PERIOD OWNER VALUE KIND STAGE TUNNELS

"Orfana" two-way Railway Tunnel Diameter D=10m. Length L=1000m. "Greek Railway Stages: Feasibility Study, Preliminary Organization" Design. R p 1982-1983 D.O.M.P. 4.770.000 (*)

"Sphinx" two-way Railway Tunnel. Diameter D=10m. Length L=1200m. Preliminary Design for the Greek Railway Organization Tender. R e 1983 "AKTOR" S.A. 5.385.000 (*)

"Metsovo" Road Tunnel, New National Road "Ioannina - Trikala". Diameter "Ministry of D=10m. Length L=3500m. Preliminary Public Works" design and Tender Documents. H e, c 1984 EYDE - OSYE 26.920.000 (*)

Three Road Tunnels S1, S2, S3 - National Road "Kolimbari - Kastelli", Crete Island, Diameter D=10m. Length "Ministry of L=90-130m. Stages : Feasibility Study. Public Works" Preliminary Design. H p 1984-1985 BM1 Division 2.150.000 (*) "Ministry of Tunnel, National Road "Arta-Trikala", Public Works" section 1+920 - 2+511. Diameter D=10m. BM1 Section Length L=591m. Stages : Feasibility District Service Study. Preliminary Design. H p 1984-1985 of Ioannina 4.615.000 (*)

Design of a cut and cover for the "Ministry of National Road "Arta - Trikala" Section: Public Works" 1+876 - 1+920. Diameter D=10m. Length BM1 Section L=44m. Stages: Feasibility Study. District Service Preliminary Study. H p 1985 of Ioannina 310.000 (*)

Sewage Tunnel under Syngrou Av., . Diameter D=3m. Length L=250m. Stage: Final Design. Y d 1986 "AKTOR" S.A. 650.000 (*)

Outlet Tunnel of the Psitalia Sewage Treatment Center at . Diameter D=10m. Length L=140m. Stage: Final Design and Construction of the Project. Y d, e 1988 "ATHINA" S.A 700.000 (*)

Restoration of a Sewage Tunnel under Amynta Street in Athens. Diameter D=3m. Length L=150m. Stage: Final Design and Construction of the Project. Y d, w 1989 "AKTOR" S.A. 100.000 (*)

Issue 2018 O T M WORKS CARRIED OUT PROJECT CHARACTER PERIOD OWNER VALUE KIND STAGE TUNNELS

Kremada Tunnel of the Water Supply Conduit between Iliki and Athens, near Tanagra at Boetia, . Diameter D=3,5m. Length L=900m. Design for a lumpsum offer. Y d 1989 "AKTOR" S.A. 4.000.000 (*)

Underground Connection Tunnel of the New Apollonia Healing Center. Diameter "Greek Bank for D=5m. Length L=800m. Stage: the Industrial Preliminary Design. S p 1989-1990 Development" 1.000.000 (*)

Tunnels for the Imittos Peripheral Highway in Attika. Twin Tunnels D=10m, "Ministry of L=200 - 600m. Preliminary Design. H p 1991-1992 Public Works" 20.000.000 (*)

Deviation Tunnel for the construction of Evinos Dam. Design during construction for the contractor: Evinos Dam, GRITAU "Ministry of J/V. D=8m, L=1000m. Y d, e, c 1992-1993 Public Works" 6.000.000 (*)

Klissoura Tunnel of the Kastoria - Florina "Ministry of National Road. D=10m, L=800m. H p, j 1993 Public Works" 5.000.000(*)

Press Room Construction under an existing Arch Bridge inside the Corfu Castle for the 1994 Top Conference of the European Union. Design during construction for the Contractor J/V. "Ministry for "AVAX" S.A. - "I.CORONTZIS" S.A. Sciences and D=20m, L=100m. S d, e, c, 1993-1994 Culture" 2.000.000 (*)

Road Tunnels of the Veroia - Kozani Highway. D=10m, L1=300m, L2=600m, "Ministry of L3=200m, L4=800m. Preliminary Design. H f 1994 Public Works" 100.000.000 (*)

Spillway Tunnel of Evinos Dam. Design during Construction for the Contractor: "EVINOS DAM GRITAU" J/V., D=12m, "Ministry of L=400m. Y d, e, c 1994-1995 Public Works" 6.000.000 (*)

Tunnels of the Athens Metro under- passing existing Buildings into the Depot "Olympic Metro" Station at Sepolia. D=6m, L=40+50m. R d 1995 J/V. 1.400.000 (*)

Tempi Railway Tunnel D=12m, L=4800m, design for the Contractor: "Greek Railway "TEMPI TUNNEL" J/V. R d, e 1996-1998 Organization" 100.000.000 (*)

Railway Tunnels of the new Ikonio - "Greek Railway Elefsis Line. R f, p 1996-1998 Organization" 200.000 (+)

Road Tunnel into St.Nikolaos - Koumaria Section of Egnatia Road. D=10m, "Ministry of L=800m. H d 1996-1998 Public Works" 15.000.000 (*)

Issue 2018 O T M WORKS CARRIED OUT PROJECT CHARACTER PERIOD OWNER VALUE KIND STAGE TUNNELS

Rapsomatis Road Tunnel D=10m, L=1000m Design for the preparation of a Bid. H p 1997 “PARNON” SA 14.000.000 (*)

Gropa Road Tunnel over the District Ministry of Road of Arta – Trikala D=7.5m, L=1200m H f 1997 Public Works 6.000.000 (*) Hydraulic Tunnel of Taxiarches at Thisvi of Boetia, part of the Mornos Aquaduct. Design into the frame of a Design – Construction Contract. Contractor “Athens Water “DOMIKA ERGA” SA. Y d, e 1997-1998 Supply Agency” 3.000.000 (*) Road Tunnels of Egnatia Odos, Section Grevena – Kozani (part 2) at Taxiarches D=10.5m, L=2x260m H p, d, w 1998-1999 AEGEK SA 6.000.000 (*) Railway Tunnel of Melissi on the New Railway Line of Korinthos – Patras, section Kiato – Xilokastro D=11.5m, “Greek Railway L=1265m. R f, p 1998-2000 Organization” 40.000.000 (*) Mavri Ora Road Tunnels of the Elefsis – Stavros – Spata Highway, near “. D=14m, L=305+335m. H p, d, w 1998-2000 SA 8.500.000 (*) Railway Tunnel of Perama into the new Railway Line Ikonio – Thriassio at “Greek Railway D=10m, L=3520m. R f, p 1998-2000 Organization” 42.000.000 (*) Structures by Cut & Cover Method of the Railway Line Korinthos – Patras, section “Greek Railway Kiato – Xilokastro D=11.5m, L=800m. R f, p, d 1998-2001 Organization” 15.000.000 (*) Tunnel by Cut & Cover Method, 230m long, 12.25m width, on the Katehaki Interchange of the West Peripheral Road of Imittos (Attiki Odos). H d, w 1998-2001 “Attiki Odos” JV 2.220.000 (*) St. Nikolas Road Tunnel D=10.5m, L=823m, second south branch on the Egnatia Road, Section St. Nikolas – “Egnatia Odos” Koumaria. H d, e 1999-2000 SA 13.000.000 (*) Twin Road Tunnels of Asprovalta D=10.5m, L=231+212m of Egnatia Road, “Egnatia Odos” section Asprovalta – Strymon River. H d, e 1999-2000 SA 5.700.000 (*) St. Stefanos Hydraulic Tunnel of the EYDAP Conduit along Kifissos River in “DOMIKA Attica D=4m, L=1100m. Y p, d, e 1999-2000 ERGA” SA 7.000.000 (*) Democritus Twin Road Tunnels on the Western Peripheral Road of Imittos, in “ATTIKI ODOS” Attica D=13.5m, L=290+275m. H p, d, w 1999-2000 SA 10.000.000 (*) Dafni Railway Tunnel of the new Railway Line Perama - Elefsis (Thriassio) D=10m, “Greek Railway L=970m. R f, p 1999-2000 Organization” 9.500.000 (*)

Issue 2018 O T M WORKS CARRIED OUT PROJECT CHARACTER PERIOD OWNER VALUE KIND STAGE TUNNELS

Tunnels for the Athens Metro, sections Syntagma – and Monastiraki – Assomaton Sq. D=13.5m, L=400m, D=8.5m, L=700m, D=7m, L=2x200+ +2x280m Construction into soft material under the Commercial Center of the “OLYMPIC Athens City. R p, d, e 1999-2001 METRO” JV 700.000 (+) Fitia Twin Tunnels of Egnatia Road, section Nestos River – Vaniano D=11m, “Egnatia Odos” L=240+230m. H f 2000 SA 5.600.000 (*) Skaramagas Twin Road Tunnels on the Interchange of the Athens – Korinthos Highway with the Egaleo Peripheral Road D=17m, L=2x215m. Design into the frame of a Design – Construction “Ministry of Contract. Contractor “Pantechniki” SA. H d, e 2000-2001 Public Works” 10.000.000 (*) Aspropyrgos Tunnel on the new Railway Line Ikonio – Thriassio in Attica D=10m, “Greek Railway L=210m. R f, p 2000-2001 Organization” 2.800.000 (*) College Tunnels of the Western Peripheral Road of Imittos, in Attica, D=19m, L=2x600m, D=10.5m, “ATTIKI ODOS” L=600+600m. H p, d, e 2000-2001 SA 54.000.000 (*) Podoniftis Hydraulic Tunnel at Stavros – Glyka Nera area of Attica D=7m, “ATTIKI ODOS” L=2850m. Y d, e 2000-2001 SA 28.000.000 (*) Hydraulic Tunnels of Podonifti flood Protection Scheme in Gargittos Area of Attica D=4m, L=1664m with Access “ATTIKI ODOS” Shafts D=11m, L=2x18m. Y d, e 2000-2001 SA 5.500.000 (*) Dihalorema tunnels of Athens – Salonica Highway, section Loggos – St. “Ministry of Constantine D=10.5m, L=2x500m. H f, p 2000-2002 Public Works” 27.140.000 (*) Tunnels of Athens – Salonica Highway, section St. Constantine – K. Vourla. “Ministry of D=10.5m, L=2x2450m. H f, p 2000-2002 Public Works” 71.400.000 (*) Third additional Skaramagas road tunnel at Athens – Korinthos Highway Interchange with peripheral Egaleo road, D=11.0m, L=216m according to the scope of Design - Construction Contract. “Ministry of Contractor”Pantechniki” SA. H d, w 2001 Public Works” 3.150.000 (*) Tunnels constructed by NATM method at the extension of metro line from Ethniki Amyna Station to Halandri Station. J/V AEGEK S.A. 250.000 (+) Variable diameter D=15~10m, total – AKTOR S.A. – length L=305m. R p, d, w 2001-2003 SELI S.A. 14.335.000 (*) Athens metro Tunnel, extension from 200.000 (+) Dafni Station to Papagou Shaft, Diameter AEGEK S.A. – D=10m, Length L=536m. R p, d, w 2002-2003 METON S.A. 15.000.000 (*)

Issue 2018 O T M WORKS CARRIED OUT PROJECT CHARACTER PERIOD OWNER VALUE KIND STAGE TUNNELS

Tunnels constructed by NATM or Cut and Cover method, at the extension of metro line from Doukisis Plakentias Station to Suburban railway interchange, Variable 380.000 (+) diameter D=15~6m, total length ATTIKI ODOS L=1160m. R p, d, w 2002-2004 S.A. 35.000.000 (*) 28.000 (+) Hydraulic Tunnel at Attiki Poikilo Mt. ATTIKI ODOS Diameter D=5m, length L=582m. Y p, d, w 2003 S.A. 1.400.000 (*) Athens metro Tunnels, extension to Egaleo, constructed by NATM method. (a) D=21m L=110m AKTOR S.A. – (b) D=17m L=22m IMPREGILO (c) D=15m L=650m S.A. – 1.000.000 (+) (d) D=12~10m L=1050m PANTECHNIKI (e) D=6m L=674m R p, d, w 2003-2005 S.A. 82.000.000 (*) Tempi S2 twin Tunnels, Diameter D=11m, total Length L=2x6030m. Design for participating in the bid of the project “concession with a lump sum of the J/V OLYMPIA Highway Maliakos – Kleidi”. H p 2004-2005 ODOS 200.000 (+) Tunnel of Peristeri Athens metro extension, from Fleming Shaft to Peristeri 60.000 (+) Station. Construction by NATM method, ATTIKO diameter D=10m, length L=500m. R p 2004-2005 METRO S.A. 14.000.000 (*) Knimida Tunnel on Athens – Lamia Highway, for St. Constantine deviation. Twin tunnel, one for each direction, diameter D=10.5m, length L=2x2450m. Construction by NATM method on J/V AKTOR S.A. 550.000 (+) limestone. Final Design on construction – IMPREGILO contract scope. H d, e 2004-2006 S.A. 27.000.000 (*) Drainage tunnel to stabilize the landsliding events in the 2.4 area 80.000 (+) (Peristeri) of the Egnatia Road. Diameter EGNATIA 3m with lengths 330+360+365=1055m. T,Y d,e,w 2004-2007 ODOS S.A. 3.500.000 (*) Water supply tunnel from Gadouras Dam in Rhodes island. Hydraulic tunnel of a small width (4m) used as passage for a tubular steel pipe. Tunnel length 315m opened in sandstone & siltstone. Preliminary design for the preparation of Ministry of tender documents. Y p, c 2005 Public Works Δ6 30.000 (+)

Road tunnels at the New Highway

connecting Tripoli – Kalamata and

Tripoli– Sparti. Twin tunnels, section:

2xD=10m, Length: 2x730+1x1370+2x90+

+2x720+2x285+1x1330. Design for a 280.000 (+) proposal in a concession system. H p 2005 J/V ΜOREAS 60.000.000 (*)

Issue 2018 O T M WORKS CARRIED OUT PROJECT CHARACTER PERIOD OWNER VALUE KIND STAGE TUNNELS

Dihalorema Tunnel on Athens – Lamia Highway, for St. Constantine deviation. .

Twin tunnel, one for each direction, J/V AKTOR S.A. diameter D=10.5m, length L=2x500m. – IMPREGILO Construction by NATM method on marls S.A. – and conglomerates. Final Design on PANTECHNIKI 205.000 (+) construction contract scope. H d, e 2005-2006 S.A. 10.000.000 (*)

Road tunnels at the E65 Highway in

Central Greece, section Lamia – Egnatia Odos. Double-lane sections, two in each side of the highway. D=10m Lengths: 2x318+2x3335+2x275+2x480+2x430+ +2x1420+2x1000+2x2150. Preliminary design for a proposal in a concession J/V Ε-FTHIA system. H f 2006 ΟDOS 60.000 (+) Design supporting the offer for the access tunnels of public in the stations “Holargos”, “Nomismatokopion” and “Ag. Paraskevi” of the Athens Subway. R d 2006 AKTOR S.A. 20.000 (+) Design of the Tempi tunnel for a proposal/bid of the Concession Contract: “Maliakos- Klidi”:D=11m L1=6000m, L2=6000m and D=8m, L1=400m & L2=300m and an underground ventilation J/V OLYMPIA station D=25m, L=300m H p 2006 ODOS 30.000 (+) NATM tunnels for the extension of the VINCI- Athens Metro towards “Hellinikon CONSTRUCTIO “:D=6,5m with L=70m, D=8,5m with NS –HELLAS L=68m and D=13 with L=31m R d,e,w 2006-2007 S.A. 120.000 (+) Tunnel for the Athens Metro extension towards Chaidari constructed with NATM method. D=17m & L=50m, D=12m & PANTECHNIKI 350.000 (+) L=1100m. R p, d, w 2006-2008 S.A. 31.000.000 (*) Road tunnels and Cut & Cover structures for the new highway Korinthos-Tripolis – Kalamata and Lefktro –Sparta. Totally eight tunnels: D=11m, L=950+970+670+ 680+1430+1300=6000m, D=10,5m, L=750+750=1500m and 4 C&C D=22m 2.512.000 (+) and L=750m Η,T,B d,e,w 2006-2013 J/V MOREAS 140.000.000 (*) Caverne, part of the underground Station “Peristeri” of the Athenian Subway: JP-AVAX S.A., D=18m, L=65m and auxiliary access FCC 135.000 (+) tunnels D=5m, L=15+30m T,R d,e,w 2007-2009 Construction 4.000.000 (*) Athens subway extension towards Hellinikon. Tunnels by NATM, D=13m, 160.000(+) L=45m, D=9m, L=65m T d,w 2007-2008 AKTOR S.A. 8.000.000(*)

Athens subway extension towards Chaidari. Tunnels by ΝΑΤΜ. D=18m, PANTECHNIKI 200.000 (+) L=340m, D=12m, L=970m T d,w 2008-2009 S.A.. 39.000.000 (*) Access tunnel for public to the Anthoupolis Station of the Athenian JP-ΑVAX S.A., Metro, passing with a minor overburden FCC unter the Thivae avenue: D=5m, L=30m R d,e,w 2007-2008 Construction 30.000 (+)

Issue 2018 O T M WORKS CARRIED OUT PROJECT CHARACTER PERIOD OWNER VALUE KIND STAGE TUNNELS

Railway tunnel “Trikokia”, section Theotokos-Dimitra, D=10m, L=5120m, 80.000 (+) D=6m with L=2500m. Preliminary design T,E,R p 2008-2012 OSE S.A. 100.000.000 (*) Studies of tunnels in the Korinth-Patra highway: Akrata D=11m L1=800m D=15m, L2=300m, Derveni D=11m L1=610m, D=15m, L2=480m, Mavra Litharia D=11m L1=1200m, L2=1250 and auxiliary escape tunnels D=5m & J/V APION 1.710.000 (+) L=600m H d,e,w 2009-2011 KLEOS 95.800.000 (*)

Twin road tunnels of the highway “Pafos- Polis”. Preliminary design an offer T1: D=9m, L=717+720m T2: D=9m, L=253+300m J/V JP-AVAX 40.000 (+) ML: D=9m, L=540m T,H p 2010 SA- VINCI SAA 25.000.000 (*) Cut & Cover, Lane Cover constructions “Korinthos-Patra-Pirgos” Highway: “Xilokastron”: D=2x14m, L=154m “Derveni”: D=2x14m, L=60m “Akrata”: D=14m, L=58m “East of Derveni”: D=2x14m, L=200m “Platanos”: D=14m, L=126m “Ag. Georgios”: D=2x12m, L=320m J/V APION 340.000 (+) “Kolirion”: D=2x12m, L=250m B,T,H d 2010-2011 KLEOS 25.000.000 (*) Tunnel constructed by the “NATM” method, for the Doha Metro of Qatar D=9m, L=1500+1500m (Red Line) (Offer Study) T,R f 2012 JP AVAX S.A. 90.000 (+) Preliminary design of depressing, OSE’s railway line at the “Ag. Meletios” area of Athens D=2x10m, L=50m T,R f 2012 ERGOSE S.A 30.000 (+) Athens Metro line extension towards “Piraeus” Tunnel studies constructed with the NATM method 1x10x127m, hosting J/V tunnels for TBM machinery 1x10x12m JP AVAX SA- 140.000 (+) and triple line tunnel , 1x16x210m T,R d,e 2012-2014 GHELLA Spa 10.000.000 (*) Detailed design for the extension of “Thessaloniki” Metro towards “Kalamaria”. NATM tunnels T,E, D=7m,L=10=15m R,M d,e 2013-2014 AKTOR S.A. 20.000 (+) d,w Piraeus Subway, “Maniatika” Station Complex of underground tunnels.

J/V (a) Underground cavern for the main 250.000 (+) Station Length 110m, Section JP AVAX SA- T,R 2012-2016 10.000.000 (*) dimensions: 17m Width, 18m Height. GHELLA Spa

(b) Inclined tunnels giving accesses to different levels of the station: Excavation size 6mx6m. Total length 250m.

Issue 2018 O T M WORKS CARRIED OUT

PROJECT CHARACTER PERIOD OWNER VALUE KIND STAGE TUNNELS

Preliminary investigation of the possibility for depression of a road under the Ministry o Alipedou and Omiridou Skylitsi roads in fPublic Works, Piraeus. T,H,F f 2013-2014 DMEO 20.000 (+) Railway tunnel underpassing the Olympia Odos freeway at Derveni of Achaia. Tunnel width 10m, cover height 1m under the highway pavement. T,R,F d,w 2016-2017 METKA S.A. 25.000 (+)

Road Tunnels S1 and S2, into the Qukes-Qafe-Plloce section of the road T,H,M, axis Tirana-Gorca in Albania: F d,w 2016-2017 Alb Building 230.000 (+)

S1 Tunnel D=10m, L=680m

S2 Tunnel D=10m, L=450m

Twin road Tunnels into the Itea-Ag. Ministry of Nikolaos section of the Amfissa- T,H,M, Public Works Naupactos road axis. F p 2014-2015 DMEO 60.000 (+) Kallithea tunnel: D=2x10m, L=300m Ag. Nikolaos tunnel: D=2x10m, L=450m Tylichtes tunnel: D=2x10m, L=900m Twin road tunnels (D=2x10m, L=1600m) in the “Schisto-Perama” section Design supporting proposals into a system of a “Competitive Dialogue” for the project connecting Perama with the Salamis T,H,M, island with an immersed tunnel. F p 2017-2018 AKTOR-VINCI 24.000 (+)

Design of the underground mining of the “Venizelou” subway station in Thessaloniki under the existing to be preserved in situ antiquities. Net width 20m, total length 100m. T,R,F d 2017-2018 AEGEK-AKTOR 450.000 (+)

Chequing the design of a road twin tunnel into the highway E2-Lugoj-Deva in Romania. T,H,F p 2017 AECOM 15.000 (+)

Issue 2018