New 33/11 kV Primary S/S & Modification of Existing S/S


ADWEA (Abu Dhabi Water & Electricity Authority)

Role of BUTEC

Main contractor in consortium with SIEMENS GmbH


October 2007


March 2011

Scope of Work

• EPC, commissioning and delivery of new 33/11 kV primary substations

• Modification of existing 33/11 kV primary substations as well as related cable connections to interconnect the new primaries with the existing network

Project Description

The works of the 2 phases include all civil works, buildings, electrical power equipment, transformers and switchgears, auxiliary electrical equipment and all equipment necessary to establish the complete substation such as remote end, telecommunication and DMS works.

Phase I:

• Lot 1A: supply & installation of six 33/11 kV new primary substations and extension works at one existing 33/11 kV primary substation

• Lot 1B: 33 kV cable works for interconnection between substations under lot 1A and other interconnections

Phase II:

• Lot 2A: supply & installation of five 33/11 kV new primary substations, relocation of one 33/11 kV package, extension of 33 kV switchgear at NIT substation, extension works at one existing primary substation and extension of 33 kV switchgear at Mussafah GIC