| Cavern
Access tunnel - Excavation completed.
Upper water curtain Tunnel Excavation completed.
Lower Water Curtain Tunnel Excavation completed.
Cavern galleries Excavation completed.
Cavern RCC flooring completed.
Cavern cleaning completed.
LWCG cleaning completed.
RTD sensors fixing completed at cavern galleries.
Pressure cell installation completed.
Access tunnel plug casting completed.
Access Tunnel Retaining Wall completed.
Access tunnel Flooding completed.
Cavern Acceptance Test completed and Certificate received.
First Inertization cycle completed. De-pressurization in progress.
Operation shaft
Excavation completed.
RCC bottom raft in operation shaft completed.
All POTs 6no installation completed.
Casing erection below plug completed.
CP system work below plug completed.
Structural welding works below the plug completed.
Casing fabrication and structural works above plug completed.
Concrete plug casting completed.
Installation of all LPG & Seepage Pumps completed.
Commissioning of 2 LPG pumps and 2 seepage pumps completed.
| Cavern:
Access tunnel - Excavation completed.
Upper water curtain Tunnel - Excavation completed.
Lower Water Curtain Tunnel - Excavation completed.
Upper Connection of (S1) and (S2) - Excavation completed.
Intermediate Connection of (S1) and (S2) - Excavation completed.
Cavern leg (S1) and (S2) heading - Excavation completed.
Cavern leg (S1) bench 1 - Excavation in progress. Ch. 17 / 220 mtr. completed.
Cavern leg (S2) bench 2 - Excavation completed.
AT3 (part of LPG storage) - Excavation completed.
Operation shaft excavation completed upto 140/ 157 mtr. completed.
Non-Plant buildings and Site development: completed.
AG Works
• Erection of Knock out drum, Instrument Air receiver, Plant Air receiver, Cold vent stack, Seepage Water Stripper on civil foundations completed.
• DG Set, Air Compressors erection done.
• 6.6 KV Panel erection done.
• Power Distribution Transformers erection completed.
• Yard Piping completed.
• Installation of HT panels, AMF completed.
• Installation of DCS panels completed.
• 3000 KL Treated Water Tank, 1500 KL Emergency Water Tank completed.
• Power cabling works inside substation interconnecting panels completed. Field side cabling work in progress.
• Civil works in SWTP area completed.
• Erection of SWTP package vessels - backwash tank, H2O2 tanks completed.
• Piping: Fabrication Erection works are in progress. |