TRANSCO Contract: N-6524

400kV Cabling Works between Sas Al Nakheel, Mahawi and Musaffah.

  • Client: TRANSCO
  • Main Contractor: Viscas/ JEP
  • Consultant: Lahmeyer International Consulting Engineers
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Scope of Work

This project involves laying of 400kV 1C x 2500mm2 XLPE cable between Sas Al Nakheel, Mahawi and Mussaffah, brief scope of work is detailed as below:

  • Carrying out all excavation, backfilling and compaction of trial pit works to suit Client / Consultant / Contractor requirements.

  • Earth work excavation and compaction including supply of water for 400KV cable trenching work at site.

  • Installation of Bed Concrete i.e., lean mix concrete before the through placement at work site.

  • Installation of reinforced Pre-cast concrete trough & covers including off loading of 400kV cable trough and covers at site.

  • Installation of 400kV Power Cable, FO Cable & DTS Cable inside trough and inside conduit pipe ducts for road crossing and other service line crossing as per tender specification including pipe cleaning and trial pulling, if necessary.

  • Installation of PVC & HDPE pipe (100mm & 26mm dia) for FO cable inside the Concrete trough.

  • Installation of Cement Bounded Sand Material at work site before and after the cable laying.

  • Backfilling of the excavated sections with suitable reinstatement materials approved by Client / Consultant / Contractor with prop-er quality control and necessary inspection by the contractor in accordance with the Clint / Consultant / Contractor’s require-ment .

  • Installation of Concrete, reinforcement steel, concrete protection, cable supports, plywood and other material necessary for joint day.

  • Construction of joining box pit and cable supports for joint day.

  • Any service crossing and road crossing works by open cut method.

  • Provision for necessary entry and exit pits for NDRC work.

  • Installation of Link Box pit, FO cable pit, PD chamber pit & removable heavy duty manhole GRP cover & Frames for the mentioned items.

  • Trenching work from joint bay to link box pit.

  • Installation of earthing rod and earthing cable as per the tender specification (Co-axial bounding cable, glands, etc.,)

  • Installation of warning tape, Concrete Tiles, cable route markers and joint bay markers as per specification.

  • Removal & reinstatement of interlocking tiles.

  • Removal & reinstatement of Asphalt Area.

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