Company Profile TERGON G.P.

Headquarters: 30 Vas. Sofias Str., 50200 Ptolemaida, Greece
Warehouse: Proasteio, Ptolemaida, Greece
PHONE: +30 24630.55835
FAX: +30 24630.55835
URL: www.tergon.gr / e-mail: info@tergon.gr
Company Profile

TZEPRAILIDIS D. GEORGE & Co, G.P.
CONSTRUCTION – TECHNICAL COMPANY
PHONE: +30 24630.55835
FAX: +30 24630.55835
CONTENTS
> Introduction
> Organization Chart
> Operations
01. Electromechanical Projects
02. Plumbing Projects
03. Industrial Plants
04. Industrial Cooling Facilities
05. Construction & Maintenance on Power Stations
> Equipment
> Occupational Health and Safety
> Human Resources
> Corporate Social Responsibility

PHONE: +30 24630.55835
FAX: +30 24630.55835
> Introduction
TERGON General Partnership was founded in 2011 by Mr. Dimitrios G. Tzeprailidis, as a development
of his individual enterprise operating since 1999. With more than forty years of activity and
experience in the construction and management of Electromechanical projects, TERGON G.P. is able
to demonstrate a comprehensive range of operations and cooperation with many well respected
companies in the construction industry.
«With professional ethics and responsibility
we strive to achieve excellent results»
Major activities of TERGON G.P. relate to:
 Execution of energy sector projects, including special steel constructions and specialized
engineering applications.
 Construction and maintenance of electromechanical equipment.
 Project implementation of hydraulic and industrial installations and applications.
 Installation of industrial cooling systems and equipment.
 High pressure construction and maintenance on power stations.

PHONE: +30 24630.55835
FAX: +30 24630.55835
> Organization Chart
President &
Chief Executive
Technical Support Projects DepartmentWorksites Department
Special Projects
Sector
E/M Projects Sector
Machinery
& Equipment
Foremen
Project Managers
Project Groups
Conventions
Payrolls
Accountant’s Office
Vice PresidentSecretariat
Legal CounselSafety Engineer
Technical
Department
Finance Department

PHONE: +30 24630.55835
FAX: +30 24630.55835
> Operations
TERGON G.P., with consistency and responsibility, implements its strategic planning by constructing complex, public
and private, projects in the following areas:
 Electromechanical Projects
 Plumbing Projects
 Industrial Plants
 Industrial Cooling Facilities
 Construction and Maintenance on Power Stations
Our work is distinguished for its high quality, performance and consistency in delivery times. Utilizing our highly
qualified personnel, technical knowledge and modern equipment, the company is capable of executing a wide range
of industrial and electromechanical projects.
ACTIVITY PROJECT LOCATION DATE CONTRACTOR PROJECT OWNER
1. Electromechanical
Projects
Mechanical equipment erection of the dust
suction system of boilers of Units ΙΙΙ and IV at
S.E.S. Kardia
S.E.S. Kardia June 2006 P.P.C. S.A.
ARGIRAKIS AND
ASSOSIATES LTD
Supply, fabrication and erection of two (2)
monorails in the Bunker House for the
dismantling and transport of the lignite
power system equipment
S.E.S. Meliti June 2006 P.P.C. S.A. METKA S.A.
Supply, installation and commissioning of the
continuous measurement system function,
recording and processing greenhouse gas
concentration data and operating parameters
of S.E.S. Ptolemaida, Kardia and Agios
Dimitrios (4 Units)
S.E.S.
Ptolemaida,
S.E.S. Kardia,
S.E.S. Agios
Dimitrios
September
2007
P.P.C. S.A.
ILEKTROTECHNIKI
T.S.A.
Supply, installation and commissioning of the
continuous measurement system function,
recording and processing greenhouse gas
concentration data and operating parameters
S.E.S. Meliti
October
2008
P.P.C. S.A.
VAS.
ANASTASOPOULOS
& Co, G.P.
Generator installation work in the area of the
turbine and installation of the turbine
impeller at Small Hydroelectric Station Argiri
S.H.E.S. Argiri April 2008 ETADE S.A. ETADE S.A.
Installing the belt-conveyors 1.1 & 1.2 of
S.E.S. Meliti and 6.1 & 6.2 of S.E.S. Agios
Dimitrios
S.E.S. Meliti,
S.E.S. Agios
Dimitrios
May 2008 P.P.C. S.A.
ASPO
TECHNOLOGIC
Crane construction ΑΒΒ 20ΤΝ including
mechanical and electrical equipment at Small
Hydroelectric Station Ilarion
S.H.E.S. Ilarion
October
2011
P.P.C. S.A. METKA S.A.
Transportation and installation of operating
system and applications of Lignite belt-
conveyors system
S.E.S. Kardia August 2014 P.P.C. S.A.
2. Plumbing Projects Replacement of the firefighting, cooling and
general use water networks at S.E.S.
Ptolemaida
S.E.S.
Ptolemaida
September
2005
P.P.C. S.A. DE-KA T.S.A.
Installing thermal substations of Phase D’ of
District Heating Municipal Company of
Ptolemaida
Ptolemaida August 2012
District heating
Municipal
Company of
Ptolemaida.
DINAMIKI ERGON
S.A.
Equipment installation of thermal energy
distribution system at geothermal field of
Eratino
Chrisoupoli
Kavala
August 2014
Municipality of
Chrisoupoli
DINAMIKI ERGON
S.A.

PHONE: +30 24630.55835
FAX: +30 24630.55835
3. Industrial Plants Design, fabrication and erection of platform in
the dedusting system of the Bunker House
Design, supply, industrialization and
manufacturing of mobile platforms for
controlling tensioning systems Τ/Δ 1.1-1.2,
10.1-10.2
Design, supply, manufacture and assembly of
metallic equipment for dismantling and
refitting of the dedusting pipelines
S.E.S. Meliti
September
2005
Construction and testing part of the
permanent and the whole temporary
sprinkler of the new E/F of Unit ΙΙ at S.E.S.
Agios Dimitrios
S.E.S. Agios
Dimitrios
July 2006 P.P.C. S.A. RODAX T.S.A.
Construction of vacuum cleaning system and
air system for use by Units I and IΙ of S.E.S.
Agios Dimitrios
S.E.S. Agios
Dimitrios
July 2006 P.P.C. S.A. RODAX T.S.A.
Construction of duct collecting drillings bypass
at S.E.S. Meliti
S.E.S. Meliti January 2007 P.P.C. S.A.
Construction of vacuum cleaning system and
air system for use by Units III and IV of S.E.S.
Agios Dimitrios
S.E.S. Agios
Dimitrios
March 2007 P.P.C. S.A. METKA S.A.
Construction of platforms by upgrading
existing ash E/F of Units I, II, III and ΙV at S.E.S.
Agios Dimitrios and addition of new ash E/F at
the same units
S.E.S. Agios
Dimitrios
March 2007 P.P.C. S.A. 2Κ TECHNIKI G.P.
Firefighting network construction and testing
of Units ΙΙΙ and IV at S.E.S. Agios Dimitrios
S.E.S. Agios
Dimitrios
April 2007 P.P.C. S.A. RODAX T.S.A.
Pipe rack construction of Units ΙΙΙ and IV at
S.E.S. Agios Dimitrios
S.E.S. Agios
Dimitrios
October
2007
P.P.C. S.A. ΒΙΕΜΕΚ I.S.A.
Stairway access construction at new ash silos
of Units Ι, ΙΙ, ΙΙΙ and IV at S.E.S. Agios Dimitrios
S.E.S. Agios
Dimitrios
October
2007
P.P.C. S.A. ΒΙΕΜΕΚ I.S.A.
Construction of platforms along the flues of
the new Electrostatic Precipitators of Units ΙΙΙ
and IV at S.E.S. Agios Dimitrios
S.E.S. Agios
Dimitrios
July 2008 P.P.C. S.A. METKA S.A.
Erection of turbine, generator, prefabricated
piping and valve of the water supply system
from the water supply pipe of the turbine and
a hydraulic unit at Hydroelectric Station
Ilarion
H.E.S. Ilarion
December
2008
Cleaner network extension for the evacuation
of Units Ι, ΙΙ, ΙΙΙ and IV at S.E.S. Agios Dimitrios
S.E.S. Agios
Dimitrios
April 2009 P.P.C. S.A. METKA S.A.
Construction of high-pressure water
preheaters Νο 45 & Νο 46 of Unit IV at Power
Station Ptolemaida
S.E.S.
Ptolemaida
October
2010
P.P.C. S.A. ERGOTEM T.S.A.
Complete construction of auxiliary mechanical
systems at Hydroelectric Station Ilarion
H.E.S. Ilarion
November
2010
P.P.C. S.A. DELMA T.S.A.
Full construction of metallic building housing
the exchangers – District Heating Building by
the Turbine House of Unit IV at S.E.S. Kardia
S.E.S. Kardia
November
2011
P.P.C. S.A. ERGOTEM T.S.A.
Dam construction, weir, plant and related
projects at Hydroelectric Station Ilarion
H.E.S. Ilarion July 2012 P.P.C. S.A. AEGEK S.A.
Erection of piping parts, flanges and
accessories of the supply pipeline at Small
Hydroelectric Station Ilarion
Μ.H.E.S. Ilarion August 2012 P.P.C. S.A. METKA S.A.
Erection of anchor plates, installation of
foundational grounding and the movement
rail of the main transformer of Substation 150
ΚV at Hydroelectric Station Ilarion
H.E.S. Ilarion
February
2013
Crane dismantling (Portal) property of METKA
S.A. from the site at S.E.S. Agios Dimitrios
S.E.S. Agios
Dimitrios
April 2013 P.P.C. S.A. METKA S.A.

PHONE: +30 24630.55835
FAX: +30 24630.55835
4. Industrial Cooling
Facilities
Replacement of damaged pipe in the
ammonia refrigerator of GEOK S.A. at Fotini,
Kastoria
Fotini, Kastoria July 2007 GEOK S.A.
Installation of piping and safeguards for
upgrading and intercommunication of the old
and new ammonia refrigerator of the
Agricultural Cooperative at Mesi, Veroia
Mesi, Veroia August 2007
Agricultural
Cooperative
Mesi, Veroia
Replacement of the corroded pipes in the
ammonia cooling system of GESPOV at Kali,
Pella
Kali, Pella April 2008 GESPOV
Installation of piping in the generator cooling
system and hydraulic unit at Small
Hydroelectric Station Argiri
S.H.E.S. Argiri April 2008 ETADE S.A.
Pipe restoration of the cooling system at the
facilities of Balakanakis Sons & Co G.P.
Agios Paulos,
Thessaloniki
July 2008
BALAKANAKIS
SONS & CO G.P.
Replacement of plate heat exchanger in food
refrigerators at the facilities of Georgios
Apostolou S.A.
Thessaloniki July 2008
GEORGIOS
APOSTOLOY S.A.
Installation of new heat exchanger Ε-419 in
the coolant circuit Χ-410 of ELFE SA. at Kavala
Industrial Area
Kavala Industrial
Area
May 2010 ELFE S.A.
Replacement of ammonia refrigeration
towers of HELLENIC CATERING S.A. at Sindos
Industrial Area
Sindos Industrial
Area
September
2011
HELLENIC
CATERING S.A.
Production and installation of piping and air
conditioning facilities at Hydroelectric Station
Ilarion
H.E.S. Ilarion May 2012 P.P.C. S.A.
Bouzounierakis
Inc.
Replacement of damaged cooling pipes and
maintenance of the refrigeration facilities at
ALEX S.A.
Veroia –
Thessaloniki
Highway
April 2013 ALEX S.A.
Replacement of worn cooling pipes and
maintenance of cooling installations of ALEX
S.A. at Polyplatanos, Eirinoupoli
Polyplatanos,
Eirinoupoli
May 2013 ALEX S.A.
Replacement of worn ammonia pipes at
ΤΟΡΡΕ S.A.
Nea Santa, Kilkis January 2014 ΤΟΡΡΕ S.A.

PHONE: +30 24630.55835
FAX: +30 24630.55835
5. Construction and
Maintenance on
Power Stations
Repair of coil superheated Υ/Θ Ιb of Unit
IV at S.E.S. Kardia
S.E.S. Kardia October 2003 P.P.C. S.A. METKA S.A.
Installation of stainless steel lining in the
lignite silo of Unit Ι at S.E.S. Meliti
S.E.S. Meliti March 2004 P.P.C. S.A. Ilias Argirakis Inc.
Maintenance of FGD installation at S.E.S.
Meliti
S.E.S. Meliti September 2004 P.P.C. S.A.
ALSTOM Power
Boiler GmbH
Replacement of FRP pipes of the Ball
Mills at S.E.S. Meliti
S.E.S. Meliti October 2004 P.P.C. S.A.
ALSTOM Power
Boiler GmbH
Restoration of LHFS lignite system at
S.E.S. Meliti
S.E.S. Meliti October 2004 P.P.C. S.A. METKA S.A.
Installation of equipment for measuring
the efficiency of boiler of Unit Ι at S.E.S.
Meliti
S.E.S. Meliti December 2004 P.P.C. S.A. Ilias Argirakis Inc.
Replacement of high pressure parts in the
boiler of Unit ΙΙΙ at S.E.S. Megaloupoli
S.E.S.
Megaloupolis
March 2005 P.P.C. S.A. METKA S.A.
Armoring of shells and mill rotors and
repairing of lignite burner feeders at
Power Station Ptolemaida
S.E.S. Ptolemaida March 2006 P.P.C. S.A. DE-KA T.S.A.
Improving the evacuation system of the
anode-cathode coolant conductors at
S.E.S. Meliti
S.E.S. Meliti November 2006 P.P.C. S.A.
Funnel repairing in the coal-ash system at
S.E.S. Meliti
S.E.S. Meliti December 2006 P.P.C. S.A.
Main lignite silo repair at S.E.S. Meliti S.E.S. Meliti June 2006 P.P.C. S.A.
Repairing of ID FAN 11 and placement of
indeterminate structures based on TLT
drawings of Unit Ι at S.E.S. Agios Dimitrios
S.E.S. Agios
Dimitrios
August 2008 P.P.C. S.A. METKA S.A.
Repairing of the tensioning drum
conveyor bearings 1.1
S.E.S. Meliti November 2008 P.P.C. S.A.
Maintenance of ID FAN 2.1 and 2.2
during restraint of Unit ΙΙ and
replacement of rotor at ID FAN 2.2
S.E.S. Agios
Dimitrios
June 2009 P.P.C. S.A. METKA S.A.
Repair and replacement of rotor at ID
FAN 11, rotor repair at ID FAN 12 of Unit Ι
and Performance Test Type A for Units ΙΙΙ-
IV
S.E.S. Agios
Dimitrios
September 2009 P.P.C. S.A. METKA S.A.
Replacement and installation of metering
devices at ID FANS of Unit ΙΙΙ at S.E.S.
Agios Dimitrios
S.E.S. Agios
Dimitrios
October 2009 P.P.C. S.A. METKA S.A.
Cannon detachment upgrade of
accumulated lignite from the riper silo at
S.E.S. Meliti
S.E.S. Meliti March 2010 P.P.C. S.A.
Replacement of coils Υ/Θ Ib and tubes
Υ/Θ - Α/Θ of Units Ι and ΙΙ at S.E.S. Agios
Dimitrios
S.E.S. Agios
Dimitrios
March 2010 P.P.C. S.A.
ERGOTEM T.S.A.
Replacement of tubes in coils Α/Θ Ib and
of Υ/Θ ΙΙΙ at Unit III
S.E.S. Agios
Dimitrios
March 2011 P.P.C. S.A. ERGOTEM T.S.A.
Partial reconstruction of Υ/Θ ΙΙΙ and
steam pipelines part replacement of Unit
ΙΙΙ at S.E.S. Kardia
S.E.S. Kardia July 2011 P.P.C. S.A. ERGOTEM T.S.A.
Replacement of tubes in coils of Υ/Θ ΙΙΙ ,
Υ/Θ ΙΙ and Α/Θ ΙΙ, valve replacement and
welding repair of steam pipelines of Unit
IV at S.E.S. Agios Dimitrios
S.E.S. Agios
Dimitrios
May 2012 P.P.C. S.A. ERGOTEM T.S.A.
Sealing gap between Bunker House and
Boiler Building at S.E.S Meliti
S.E.S. Meliti March 2014 P.P.C. S.A.
Preventive maintenance and repair at
equipment of water treatment system
industrial plants and auxiliary operations
at chemical technology and environment
segment of S.E.S. Agios Dimitrios
S.E.S. Agios
Dimitrios
June 2015 P.P.C. S.A. STELMA T.S.A.

PHONE: +30 24630.55835
FAX: +30 24630.55835
> Equipment
Vehicles
 Crane truck ( x1 )
 Closed type trucks ( x2 )
 Open type truck ( x1 )
 Mini-Bus ( x1 )
 Cars ( x2 )
Welding Equipment
 KEMPPI Minarc 150 220V ( x4 )
 KEMPPI Master MLS 3500 380V ( x6 )
 SAF FRO 380V ( x10 )
 TIG devices (Argon) ( x20 )
 MMA devices (Electrode) ( x30 )
 Oxygen devices ( x10 )
 Propane devices ( x10 )
 Oxygen vaporetto ( x2 )
 Electrode ovens ( x10 )
Construction Equipment
 Lever Chain Hoist 0.75 ΤΝ ( x20 )
 Manual Chain Hoist 1.0 ΤΝ ( x8 )
 Rope winches 1.6ΤΝ ( x8 )
 Rope winches 3.2ΤΝ ( x6 )
 Shackles 2 – 20ΤΝ ( x40 )
 Winch wire ropes Φ12 – Φ50 ( x100 )
 Lifting straps 1 – 10ΤΝ ( x60 )
Scaffolding
 Tubular scaffolding ( x1000m3
)
 Framed scaffolding ( x600m3
)
 Scaffolding planks 2 – 6m ( x100 )
Various
 Electric screwdrivers REMS 4” ( x2 )
 Hand electric screwdrivers 2” Rothenberger ( x1 )
 Manual screwdrivers Rothenberger ( x2 )
 Welding sleeve device Banniger ( x1 )
 Diesel generator 7KvA ( x1 )
 Hydraulic bender ( x1 )
 Torque wrenches ( x2 )
 Electric angle grinders 125mm – 230mm ( x30 )
 Electric axial grinders ( x15 )
 Electric drills, screwdrivers, hoeing ( x15 )
Offices - Containers
 Containers ( x6 )
 Offices ISOBOX ( x3)

PHONE: +30 24630.55835
FAX: +30 24630.55835
> Occupational Health and Safety
TERGON G.P. by realizing the impact of accidents in humans, the environment, in society and the company itself,
and by sensing the responsibility of each company and institution in every production area, believes that must
effectively address Health and Safety issues in order to continuously improve the level of safety in all activities of
the company, with major attention to projects.
TERGON G.P. applies a security policy, as part of broader awareness, which meets the requirements of current
legislation and provides prevention:
01. Against occupational accidents, regarding the workforce, the company and third parties.
02. Against damage or environmental pollution.
03. Against wear, loss or damage to the installations, structures, materials, production and equipment from the
company’s activities.
To achieve this purpose the company sets as main objectives:
 The education of employees at all stages of hierarchy.
 The allocation of responsibilities to all involved in the construction.
 Continuous monitoring, evaluation and improvement of the security standards.
> Human Resources
Giving utmost importance and considering its employees as the most important asset, the company focuses its
labor policy in shaping a friendly, team oriented and efficient working environment.
TERGON G.P. emphasizes lifelong learning and continuous training to maintain a high skilled level of manpower in
each sector.
> Corporate Social Responsibility
Corporate Social Responsibility has become an important component of the modern enterprise. Indicates a
balanced response to the economic, social and environmental impact of its operation and is based on three
principles of growth, sustainability and social cohesion.
Corporate Social Responsibility is defined by the European Union as a “concept whereby companies voluntarily
incorporate social and environmental concerns in their business operations and in their interaction with other
interested members”.

Company Profile TERGON G.P.

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Company Profile TERGON G.P.