1. Curriculum vitae of George Tryfonas
Europass
Curriculum vitae
Personal Information
First name(s) / Surname(s) George Tryfonas
Address(es) 67 Souliou Street, Petroupoli - Athens 13231, Greece
Telephone(s) Personal: +30 2105061054 Cell phone: +30 6942464894
Fax(es) +30 2105283259
E-mail(s) gtryfonas@yahoo.com
gitryfonas@ergose.gr
Nationality(-ies) Greek
Date of birth 24.03.1972
Gender
Marital Status
Male
Married (two children)
Desired employment/
Occupational field
Site Supervisor / Assistant of the project director
Work experience
Dates SEPTEMBER 2006 - up to now
Occupation or position held Site Supervisor as a member of team and at the same time as assistant of the project director
(owner side).
Main activities and responsibilities Responsible for the proper performance of the work (quality control) on the site, especially for the
Infrastructure (INF) of the rail line construction in accordance with European Technical Specifications
for Interoperability, geological and geotechnical follow up, responsible for monitoring time and cost of
the project, and additional, as assistant of the project director (owner side), on the management of the
project (constructor's claims, decisions on design modifications, time delays etc).
Name and address of employer ERGA OSE S.A. , Karolou 27 , Athens , Greece
Type of business or sector “Completion of infrastructure and buildings – railway stations and construction of the ballast - slab
truck, signaling, telecommunications and electrification of the New Dual high-speed railways Tithorea-
Lianokladi– Domokos”.
High-speed double railway line with length 106Km, equipped with modern signalling, tele
commanding, telecommunication and electrification systems. Fulfilment of the interoperability
requirements of the European railways. Offer Budget 375M€, Contract No 635/2013. Started in
December 2013. Completion time 32 months.
“Construction of the New railway double line high speed from Tithorea – Lianokladi km 0 to km 19”
(Kallidromo Twin Tunnel 9.5km each tube , bridges , C&C , embankments), Offer Budget 225M€,
Contract No 535/2006 (B phase). Completed in September 2013.
“Construction of infrastructure from chainage 14+000 to chainage 25+000, of the New Double Ηigh
Speed railway line Lianokladi – Domokos” ( Orthris Twin Tunnel 6.5Km each tube, 5 bridges 1.8Km
total length) Offer Budget 210M€, Contract No 470/2007. Estimated to finish in December 2014.
“Construction of infrastructure from chainage 25+000 to chainage 52+000, of the New Double Ηigh
Speed railway line Lianokladi – Domokos”, (15 bridges of total length 1.4Km, 10 tunnels of total
length 3.4Km and 3 new Railway stations), Offer Budget 156M€, Contract No 458/2007. Completed
in 2012.

2. Curriculum vitae of George Tryfonas
Dates SEPTEMBER 2002 - AUGUST 2006
Occupation or position held Site Supervisor as a member of team.
Main activities and responsibilities Responsible for the proper performance of the work (quality control) on the site, geological and
geotechnical follow up, responsible for monitoring time and cost of the project, and as assistant of
the director of the project (owner side) on the constructor's claims.
At the same time was in my duties to supervise and checking the specification of tender
documents for three infrastructure construction projects.of the new double high speed railway line
section Lianokladi - Domokos, a total length of 52 km and budget design 702M€.
Name and address of employer ERGA OSE S.A. , Karolou 27 , Athens , Greece
Type of business or sector “Construction of the New railway double line high speed from Tithorea – Lianokladi km 0 to km 19”
(Kallidromo Twin Tunnel 9.5km each tube , bridges , C&C , embankments), Offer Budget 111M€,
Contract No 100/1997 A phase. Completed in 2004.
“Construction of the New railway double line high speed from Tithorea – Lianokladi km 19 to km
40” (bridges , C&C , embankments), Offer Budget 52M€, Contract No 150/1999. Completed in
2003.
“Electrification for the new double track high speed Patra - Athens – Thessaloniki”, Offer Budget
101M€, Contract No 852/1996. Completed in 2006.
Dates OCTOBER 2001 - AUGUST 2002
Occupation or position held Geologist - Geotechnical Engineering on site
Main activities and responsibilities Responsible for the geological mapping, rock mass classifications of underground works and
tunnels, geotechnical monitoring.
Name and address of employer J/V “AKTOR – AEGEK – SELI – AVAX”. , Mesogeion 304 , Athens , Greece
Type of business or sector for the part of the Athens Metro B phase "NATIONAL DEFENSE STATION - STATION
DOUKISSIS PLAKENTIAS." (5 stations and 5Km of tunnels)
Dates JULY 1997 - SEPTEMBER 2001
Occupation or position held Geologist - Geotechnical Engineering on site
Main activities and responsibilities Responsible for the geological mapping, rock mass classifications of underground works and
tunnels, geotechnical monitoring.
Name and address of employer J/V “CIVIL ENGINEERING WORKS ATHENS METRO” , Evelpidon 61-63 , Athens , Greece
Type of business or sector Construction of the Athens Metro A phase (21 stations and 15Km of tunnels)
Education and training
Dates 1990-1995
Title of qualification awarded Degree of Geology
Principal subjects/occupational skills
covered
Name and type of organization
providing education and training
University of Patras, Patra, Greece
Level in national or international
classification
ISCED 6,84
Personal skills and
competences
Mother tongue(s) Greek
Other language(s)

3. Curriculum vitae of George Tryfonas
Self-assessment Understanding Speaking Writing
European level (*) Listening Reading Spoken interaction Spoken
production
English B2 Independent
user
B2 Independent user B2 Independent user
B2 Independent
user
B2 Independent
user
(*) Common European Framework of Reference (CEF) level
Computer skills and competences Competent with Microsoft Office, Ms Project, AutoCAD.
Additional information PUBLICATIONS - PRESENTATIONS
publication and presentation of paper: "TUNNEL EXCAVATION IN CLAYEY-MARLY
FORMATIONS: THE CASE OF KALLIDROMO TUNNEL" at the 12th International Congress of the
Geological Society of Greece, Patras Greece May 2010.
published the paper: "Excavation Of Kallidromo Tunnel In Clayey Formations" at the World Tunnel
Congress and 36th General Assembly ITA - AITES, Vancouver Canada May 2010.
OTHER
Member of the Geotechnical Chamber of Greece - GEOTEE license number to practice
Geotechnical: RN :4-02644
Driving license class: A & B