30/ETC-II (P)/2023-2024

Amount

Supply

145 KV, 800A, SF6 Gas insulated feeder bay module of Hitachi/CGL/ABB/GE/Siemens make alongwith coupler module to join it with existing 132 GIS of CGL make. The feeder bay module shall be comprising of SF6 gas insulated circuit breaker, current transformer, bus-bar discoonectors with common grounding switch, disconnector with safety grounding switch, high speed fault making, grouding switch, PT, SF6 gas monitoring system for complete bay, local control cubicle, gas insulated terminal connection for connecting XLPE cable with cable termination enclosure and other accessories with necessary arrangement to connect with existing 132 KV module and extension of Main Bus-I&II GIS etc. to complete feeder bay module as indicated in the SLD/Layout of substation and as per technical specification.

Indoor type complete end termination kit suitable for above cable with all accessories.

Outdoor type complete end termination kit suitable for above cable with all accessories.

Erection (Work)

Erection & commissioning of 145 KV, 800A, SF6 Gas insulated feeder bay module each comprising of SF6 gas insulated circuit breaker, current transformer, bus-bar discoonectors with common grounding switch, disconnector with safety grounding switch, high speed fault making, grouding switch, PT, SF6 gas monitoring system for complete bay, local control cubicle, gas insulated terminal connection for connecting XLPE cable with cable termination enclosure and other accessories with GIS etc. to complete feeder bay module as indicated in the SLD/Layout of substation and as per technical specification including modification of foundation/base.

Erection of Indoor type complete end termination kit suitable for above cable with all accessories.

Erection of outdoor type complete end termination kit suitable for above cable with all accessories.

Installation of 132 KV control & relay panel including shifting from store to control room & modification of plinth & proper grouting/ earthing etc.

132 KV Protection panel

132 KV Control panel

Excavation of trench approx 1.5 meter depth 0.8 meter width from GIS control room to open yard

Backfilling of trench with sand, RCC Cover & leveling of excavated earth. The work site shall be left as clean as possible

Laying of armoured control cable from C&R panel situated at control room to Hybrid bay including opening & proper placing of cable trench cover space item shifting to JE store.

2Cx2.5 sqmm

4Cx2.5 sqmm

6Cx2.5 sqmm

10Cx2.5 sqmm

Earthing of auxiliary structure, main structure & breaker including excavation of earth & backfilling / leveling etc.

Copper flat for earthing 75x12 mm

MS Flat for earthing 75x10 mm

MS Flat for earthing 50x6 mm

Painting of MS flat with one coat red oxide & two coat bus green paint asian/burger/nerolac make

MS Flat 75x10

MS Flat 50x6

Making delta earthing & proper connect with LA including excavation & back filling etc.

Interconnection & termination of above laid control cable between feeder C&R panel/protection panel to various equipment like breaker, PT, AC supply, DC supply including lacing and ferruling etc. (as per drawing)

Erection of BBL, BCT, ALP type sub station structure

DEVYANSH CONSTRUCTION AND DEVELOPERS PVT. LTD.

VEDANTA FAB WORKS