TURKEY - CONSTRUCTION OF 14 SUBSTATION CENTERS AT 14 DIFFERENT LOCATIONS

Tekfen Job No:

116

Location:

Turkey

Client:

TEK, Turkish Electricity Authority

Contractor:

Tekfen Construction and Installation Co., Inc.

Tekfen Portion:

100%

Commencement:

08/04/1983

Completion:

31/05/1988

Throughout the years, the electrical department of Tekfen, apart from the execution of electrical and instrumentation works of turnkey contracts for refineries, petrochemical plants, pipeline and other industrial plant projects, has been serving the construction industry as a specialized electrical and instrumentation contractor and is the forerunner among the international contractors of Turkey in this field. Construction of 14 substations for Turkish Electricity Authority has also been a major achievement proving Tekfen’s competency in this sector.

The turnkey project covers engineering, procurement, construction, installation and design works of 14 x 380 kV Transformer Substation Centres at various locations of Turkey.


Main construction works consist of the following;

Excavation of 660.958 m3 for various foundations and levelling works,
14.181 m3 concrete foundation for steel poles and equipment supports,
Construction of 13.125 m concrete cable trench,
Outdoor steel construction (2.557 t) for switch-yard poles and equipment supports,
Construction of foundations for 22 x 380 kV and 6 x 154 kV power transformers,
Construction of 10.500 m2 control, switchgear, relay, social and guard house buildings.

Procurement and erection / installation works consist of;

26 x 380 kV and 154 kV power transformers and 380 kV reactors, 2 x 380 kV capacitor units, 48 x 420 kV circuit breakers, 177 x 420 kV isolators and 1 x 380 / 320 V, 250 kV automatic diesel generator,
86 x 170 kV and 36 kV outdoor circuit breakers,
88 x 170 kV, 36 kV outdoor isolators,
726 x 420 kV, 170 kV, 36 kV, 17,5 kV voltage and current transformers, lighting arresters,
10 x 30 / 0,4 kV service transformers,
82 x 30 kV indoor switchgears, 237 x 380 kV,
170 kV, 36 kV control, relay and service panels, 59.032 m aluminium busbars, 95,88 m earthing bars, 448.372 m cables of various types.