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Up gradation of 33/11kV Mabellah

Client :
Muscat Electricity Distribution Co. S.A.O.C
Location:
Oman
Sector:
Infrastructure
Services:
Civil Construction , Electrical & Instrumentation ,
Project Consultant :
.
Project Partner :
.
Capacity:
.

 

Brief Description of the Work undertaken by BEC Group

The scope of work includes design, engineering, manufacture, inspection, shop testing, delivery, transportation and storage at site, erection, testing, commissioning, and handing over upgraded system to the Client. Scope includes complete civil works including design, supply and installation. Demolition of some of the existing plant and handing over to MEDC specified stores

Scope of work

  1. Upgradation of existing Mabellah –A PSS from 2x20MVA to 3x20MVA.Third Transformer (1x 20MVA) fed from (tapping) existing 33kV OHL Shabiya-02 feeder at Mabellah-01 Grid station with 24 core FO cable.
  2. Upgradation of existing Mabellah –C PSS from 2x20MVA to 3x20MVA.Third Transformer (1x 20MVA) fed from existing spare 33kV cable feeder at Mabellah-02 (A’Salam) Grid station with 24 core FO cable.
  3. Upgradation of existing Mabellah South PH-7 PSS from 2x20MVA to 3x20MVA.Third Transformer (1x 20MVA) fed from (tapping) existing 33kVOHL Shabiya-01 feeder at Mabellah-01 Grid station with 24 core FO cable.

Salient Features

  • Construction of New 11kV Building and associated Civil Works – For all three PSS
  • External underground 33kV trench & cabling works – 4 Km
  • Foundations for 20MVA Transformer foundation - 3 Nos
  • Foundation for 5MVAr 11kV Capacitor Banks – 3 Nos
  • Foundation for 500kVA 11/0.415kV  Aux. Transformer  – 2 Nos
  • Siemens Make 33kV Gas Insulated Switchgear (GIS) – 3 Nos
  • 33/11kV 20MVA Transformer – 3 Nos
  • 500kVA, 11/0.415kV Auxiliary Transformer – 2 Nos
  • 5MVAr 11kV Capacitor Banks – 3 Nos
  • 415V LVAC Panels – 2 Nos
  • 110/30V DC System – 2 Nos
  • 33/11/0.415 kV Cabling works - For all three PSS
  • Earthing & Lightning works - For all three PSS
  • Control & Relay Panels for 33kV System – 3 Nos
  • SCADA & RTU System – 3 Nos
  • HVAC & MEP works.