Scope of Work :

The scope of work shall include basic and detailed design and engineering services for electrical, civil, structural, I&C and mechanical works of the 345(400kV)/34.5kV, 3 x 180MVA and 345/13.8kV, 6 x 90MVA GIS substation including procurement support (Technical specs, Bid evaluation and vendor drawing review), shop drawings and IFCs for the following works of the Substation :

-   345 KV GIS Housed in a Structural PEB.

-   3 x 180MVA Power Transformers with RTCC, Nitrogen injection fire protection system (NIFPS) and online gas analyser.

-   6 x 90MVA Power Transformers with RTCC, Nitrogen injection fire protection system (NIFPS) and online gas analyser.

-   34.5kV GIS mounted in E-House.

-   13.8kV GIS mounted in E-House.

-   2 x 34.5/400V Station service Transformers (Hermitically sealed type).

-   480V AC DBs, 125V DC and 48V DC DBs and downstream power supply to various auxiliaries and Lighting / small power.

-   125V Battery and Battery charger for 345kV system.

-   125V Battery and Battery charger for 34.5kV and 13.8kV system,

-   48V Battery and Battery chargers.

-   Civil and Steel structural works.

-   Heating, ventilation and air conditioning system of the PEB and E-houses.

-   Sanitary, plumbing and water supply system.

-   Fiber optic communication system (voice and data, protection signalling).

-   Fire detection and alarm system (FDA).

-   Fire fighting system by clean agent gas based system and portable extinguishers.

-   Misc. EHV, MV, LV and Instrument cabling.

-   Cabling related to SCADA and Fiber optic communication system.

-   Emergency DG set for power supply to essential loads if normal power supply fails.

Designs shall comply with American standards and IEC, Eurocode as applicable.