OUR QUALITY

Quality is not an act. It is a habit. In Whitestone S.A., we believe that total quality management is a journey, not a destination. This is the reason we apply a very rigorous policy on Construction Quality, throughout our projects, that has generated higher recognition in the field we operate. This policy consists in:

  • The analytical and detailed initial design of the project intended to be executed.
  • The tight surveillance of the works that are being executed and on the detailed observance of the time schedule.
  • The tight observance of the Regulations, Standards and Codes related to the project under execution.
  • The tight observance of the Specifications of the equipment suppliers.
  • The use of selected high quality materials originating from renowned Greek and European Suppliers (TITAN, HERACLES, Halyvourgiki, SIDENOR, Sika, BASF, etc).
  • The continuous and stringent materials control (concrete, steel, gravel, road pavement materials, network conduits, etc) by State owned Laboratories.
  • The existence of specific plans and work directives under difficult conditions met very often on the fields where RES projects are executed (very low or very high temperatures, rain, high wind, etc).
  • The special equipment it uses (special machinery, steel scaffolding, surveillance instruments, protective arrangements, etc).
  • The absolute specialized and permanent personnel it employs.

A Special Certificate is issued by our company for every part of work executed in which all the works performed and methodology applied are mentioned. Furthermore, the materials used are accompanied by all their Certificates.

Standards

Implementing International Standards in construction provides technical, social, economic and environmental gains for the industry, the regulators, the consumers and last but not least, the client. From Greek Regulation Standards, to EN Eurocodes and Concrete Standards, we follow them all in order to upgrade our services and ensure our clients that knowledge and organization can overcome any obstacle.

Codes & Norms

GREEK REGULATIONS STANDARDS
  • Greek Reinforced Concrete Regulation (EKOS 2003)
  • Concrete Technology Regulations (KTS 1997)
  • Steel Technology Regulations (KTH 2000)
  • Greek Antiseismic Regulation (EAK 2003)
EN EUROCODES
  • EC-1 : Basis of design and actions on structures
  • EC-2 : Design of concrete structures
  • EC-7 : Geotechnical design
  • EC-8 : Earthquake resistant design of structures
EUROPEAN CEMENT STANDARD EN 197-1
  • ELOT EN 197-1
  • ELOT EN 197-2
EUROPEAN AGGREGATES STANDARD EN 12620
  • ELOT ΕΝ 12620
European Concrete Standard EN 2016-1 ( optionally )
European Steel Standard EN 10080
  • ELOT ΕΝ 10080
  • ELOT 1421-2 for B500a
  • ELOT 1421-3 for B500c
European & German Concrete Standards EN 206-1 & DIN EN 1045-2
  • ELOT 345 Water for mixing and curing of concrete
  • ELOT 346 Ready mixed concrete
  • ELOT 408 Crushed aggregates for normal concrete
  • ELOT 515 Concreting under low environmental temperature
  • ELOT 517 Concreting under high environmental temperature
  • Method SK-303 Making and curing of test specimens method
  • Method SK-304 Test Specimen Compressive Strength Definition Method
  • Special Specification SK-307 Air-entraining Concrete Admixtures
  • Special Specification SK-308 Chemical Concrete Admixtures
  • Control Method SK-309 Slump Test
  • Special Specification SK-316 Hyper-fluidificating Concrete Admixtures
  • Method Statements 01-01-02-00 Concrete Application and Compaction
  • ELOT EN 10080 General Requirements  for Weldable Reinforcing Steel
  • ELOT 1421-2c Specific Requirements for Technical Class B500a Steel
  • ELOT 1421-3c Specific Requirments for Technical Class B500c Steel
  • Official Gazette 649/Β/24.05.06 Concrete Reinforcing Steel Controls
  • EN 12350 : Testing fresh concrete
  • EN 12390 : Testing hardened concrete
  • DEI/TRANSMISSION NEW PROJECTS-SUBSTATION1 VOLUME IIA – Review 5
  • DEI/TRANSMISSION NEW PROJECTS-SUBSTATION1 VOLUME IIB – Review 5
The company applies the all risk insurance practice for all projects it executes.