Transmission Line and HV UG

HHC has started the initial business operations with Overhead Transmission Line Projects with a local Power Generation & Distribution Company SEC-East. HHC have proved the technical expertise in implementing various rough terrain projects. HHC have taken up several turnkey assignments of Power Transmission Lines. The scope of work includes :-

  • Survey
  • Soil Investigation
  • Design
  • Procurement
  • Construction & Erection
  • Testing & Commissioning.

Some of the Major Turnkey Projects
(As EPC) are as follows:

  • 400kV Double Circuit Transmission Line - Jandar to Damascus Syria Total line length - 100 kms of 4 Bundle Double Circuit.
  • Restoration of 300 KV Transmission Lines in Kuwait ( Post Gulf War ).
  • Construction of 230 KV Double Circuit Transmission Lines for Safwa - Qatif - Dammam of about 100 KM of Monopole in Saudi Arabia.
  • Construction of 230 KV Double Circuit Transmission Line addition to Substation No. 60 at Uthmaniya and Shedgum 230KV Switch Yard extension in Saudi Arabia.
  • Construction of 230 KV Double Circuit Transmission Line of about 34 KM between South Hofuf Substation and Farar Substation in Saudi Arabia.
  • Construction of 230 KV Double Circuit Transmission Line between Dhahran Central Substation to additions at Thuqba - Aziziyah in Saudi Arabia
  • Construction of 115 KV Transmission Line to East west Pump Station No.1 and to Ain Dar 115 KV Substation No. 30 in Saudi Arabia
  • Construction of 115 KV Transmission Line for Riyadh Water Pipeline Station-C to Substation No. 2,3 & 4 in Saudi Arabia
  • Construction of 115 KV Transmission Line from Ras Tanura to Juaymah in Saudi Arabia.

LATEST Major Turnkey Projects

  • Design, Supply and Construction of 115 kV  Double Circuit Overhead Transmission Line from new Qathif 380/115kV BSP to Qathif 115/13.8 KV S/S # 2.
    • Design, Supply and Construction of High Voltage Underground power cable 2x3x2000mm² XLPE
    • Design, Supply and Construction of two Fiber Optic Cable link with OPGW and NFOC from Qathif 380/115 BSP to Qathif 115/13.8kV SS-2.
  • Design, Supply and Construction of 110 kV Transmission Line for Double Circuit Loop In and Out of existing Taif BSP- Wadiliyah Transmission line.
    • Design, Supply and Construction of double circuit overhead  transmission line on lattice steel tower route length 6,471 meter.
    • Design, Supply and Construction of 2x3x1200mm² XLPE high voltage cable including the Transition Area.(36,000 m) cable Length.
    • Design, Supply and Installed two Fiber Optic link with OPGW and NOFC between SISED 380kV BSP and Wadiliyah S/S.
  • Design, Supply and Construction of 110 kV Transmission Line SISED 380kV/110kV to Melissa Substation.
    • Design, Supply and Construction of double circuit overhead  transmission line on lattice steel tower route length 6,471 meter.
    • Design, Supply and Construction of 2x3x1200mm² XLPE high voltage cable including the Transition Area.(51,600 m)Cable Length.
    • Design, Supply and Construction of two Fiber Optic link with OPGW and NOFC between SISED 380kV BSP to Melissa S/S.
  • Design and Construction of 110 kV Transmission line from SISED BSP to Hawayyah Substation.
    • Design, Supply and Construction of double circuit overhead transmission line on lattice steel tower route length 6,000 meter.
    • Design, Supply and Construction of 2x3x2500mm² XLPE high voltage cable including the Transition Area.(20,400 m)Cable Length.
    • Design, Supply and Construction of two Fiber Optic link with OPGW and NOFC between SISED 380kV BSP to Al-Hawayyah S/S.
  • Design, Supply and Construction of High Voltage Underground power cable 1200mm² XLPE & Underground Fiber Optic cables from Taif BSP to Taif Power Station.(7,800) cable length.
  • Design, Supply and Construction of High Voltage Underground power cable 1200mm² XLPE & Underground Fiber Optic cables from Hawiyyah-2 Substation to Taif Airport Substation.(7,033m) cable length.
  • Design, Supply and Construction work of 2 circuits of 115KV U/G Cable (1X1CX 1200 sq.mm CU/XLPE per phase) and U/G NMFOC ITU-G652D from New Jubail commercial port-2 SS to Transition area of Jubail city-1 SS with complete civil works and Cable laying ,Link box installation and Cable jointing, Cable termination works and testing for plug-in inside GIS and Outdoor Cable sealing end Insulator.(Cable length 16200 m)
  • Design, Supply and Construction work of 2 circuits of 115KV U/G Cable (1X1CX 1200 sq.mm CU/XLPE per phase) and U/G NMFOC ITU-G652D from Jubail Navy Base SS to SAFA Transition area, with complete civil works and Cable laying ,Link box installation and Cable jointing, Cable termination works and testing for plug-in inside GIS and Outdoor Cable sealing end Insulator. (Cable length 9600 m)
  • Design, Supply and Construction work of 115kV single circuit underground cable 1-Cx1600 mm² CU/XLPE per phase with cable sealing ends, Link boxes straight through joint, termination at both ends and all accessories from Jubail Community 8AB to Substation 20BD, including portion of non-mettalic underground optical fiber cable, splicing and termination both end and Testing. (Cable length 21,900 meter).
  • Design, Supply and Construction work of 115kV single circuit underground cable 1-Cx1600 mm² CU/XLPE per phase with cable sealing ends, Link boxes, straight through joint, termination at both ends and all accessories from 115/13.8kV Substation 21BD to Substation 20BD,including portion of non-mettalic underground optical fiber cable, splicing and termination both end and testing.(Cable Length 13,482 m).

With skilled work force and modern equipment as its resources, HHC is geared to meet the increasing demands in this field not only in Saudi Arabia, but also in other GCC States and the rest of the Middle East and West Asia.