• L&T-Sargent & Lundy
  • L&T-Sargent & Lundy

2x660 MW Nellore Super Critical Thermal Power Project, AP, India


    Name of Project : 2x660 MW Nellore Super Critical Thermal Power Project, Andhra Pradesh, India

    Owner : NCC Power Projects Limited, Hyderabad, A.P.

    Client : NCC Limited, Hyderabad, A.P.

    Capacity : 2x660 MW

    L&T-S&L’s scope : Complete Basic and Detail engineering services for BOP -Mechanical, Electrical & CNI, BTG - Civil (except for TG foundation), Design of 275 m high twin flue RCC Chimney and review engineering of BOP Civil

    Configuration : 2x660 MW Supercritical Boiler, Turbine and Generator supplied by Harbin, China

    Key Technical Features :

          Coal Handling Plant

    • 2x1800 TPH Belt Conveying System
    • 4x1800 TPH Crusher
    • 4x1800 TPH Vibrating Grizzly Feeder
    • Stacker Cum Reclaimer: Stacking Capacity 3600TPH, Reclaiming Capacity 1800TPH

          Ash Handling Plant

    • 2x65 TPH scrapper chain conveyor arrangement for each unit Bottom Ash Handling System
    • 247 TPH Fly Ash single stage pressure Conveying System for each unit
    • 3x206 TPH HCSD system for bottom ash and fly ash.
    • 2 Nos. of 2000T RCC Fly Ash Silos, 1 No 900T bottom ash silo

          Water Treatment Plant

    • 2x1200m3/hr pre-treatment plant
    • 4x138m3/hr RO-I units
    • 2x45m3/hr RO-II units
    • 2x90m3/hr Mixed Bed unit
    • 4x60kg/hr Sea water Electrolyzer

          Major BOP Electrical Equipment

    • 3x 1 phase, 260 MVA Generator Transformer
    • Two winding UT and Three winding ST
    • 160 kA,24000 A GCB and 24000 A Main IPBD 11 and 3.3 kV Switchgear,40 kA for 3 sec

          Other Major Auxiliaries

    • 5 Nos. Screw Compressors (35Nm3/min) with HOC type ADP
    • 2 Nos. NDCT each of 80000 m3/hr capacity
    • 4 Nos. CW pumps each of 40000 m3/hr capacity
    • 275 meters height twin flue RCC Chimney

    Fuel :  Blended coal (Indian and Imported coal in ratio of 70:30)

    Year of commissioning : 2016