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Metro-Rail,-Kolkata

Project Brief:

Northward extension of Metro Railway from Dum Dum up to Baranagar (4.47 km) was sanctioned and included in Budget 0f 2010-111 at a cost of INR 227.53 Cr. The work from Dum Dum to Noapara (2.57 km) is being executed by Metro Railway, Kolkata & from Noapara to Baranagar (1.90 km) is being executed by RVNL.

Sterling and Wilson was entrusted by Metro Railway, Kolkata for Power Supply System for Dum Dum – Noapara extension project.

Our Scope:

Supply, Installation, Testing & Commissioning of Power Supply System for Dum Dum – Noapara Extension Project comprising of Receiving cum Traction (to supply 8 MW DC Traction Power at 750 V to the third rail) Substation.
33 kV HT Panels, 2 Nos. 16000 KVA, 33/11 kV Transformers, 11 kV, VCB Panels, 4 Nos. 2.3 MVA, 11/0.604 kV Traction Transformers, 4 Nos. 2 MW 750 V DC Rectifier, 12 Nos. 750 V DC High Speed Circuit Breakers, 2 Nos. 1600 kVA, 11/0.433 kV dry type Transformers, AC busducts, Main LT Panels, DC negative earthing panels & track earthing panel, Main control panel with provision of SCADA compatibility, 750 V DC positive isolators, maintenance free earth stations, etc.
HT & LT Cabling laying & testing: 1C X 185 mm2 33 kV Grade cable 18.5 kMs (in underground metro tunnel), 1C X 630 mm2 DC positive cable 5 kMs, 1C X 630 mm2 DC negative cable 2 KMs & LT power cable 400 Mtrs.

Project Name

Metro Railway, Kolkata – Dum Dum-Naopara Extension

Location

Dum Dum – Noapara, Kolkata, West Bengal

Duration

8 Months

PMC

Metro Railway Kolkata

Consultant

Metro Railway Kolkata