Annexure-I

NTPC Limited

(A Government of India Enterprise)

Talcher Super Thermal Power Station

SALIENT TECHNICAL FEATURE

Sub: Construction of 5th raising of Lagoon-I, Stage-II ash dyke of TSTPS. (4X500MW)

SALIENT TECHNICAL FEATURES:

Talcher Super Thermal Power Station is a Unit of NTPC, in Kaniha block under Talcher sub- division of Angul district of ODISHA.

Nearest Town : Talcher 26 KMs

Nearest Railway Station : Talcher 29 KMs

Nearest Airport : Bhubaneswar 180 KMs

INSTALLED CAPACITY

STAGE-I : 2 Units each 500 MW - Total 1000 MW

STAGE-II : 4 Units each 500 MW - Total 2000 MW

TECHNICAL FEATURES :

i) Ash dyke raising work for 5th raising of Lagoon-1, Ash Dyke is to be carried out at Stage-II dyke of TSTPS (4x500 MW)

ii) Dyke raising works are to be carried out with stripping of natural ground and preparation of Bed by compacting the bed not less than 95 % of MDD (Standard Proctor).

iii) Ash filling work to be done on Sand Blanket of 2.00M/0.75M thick as per site requirement.

iv) Ash Embankment shall be done in layers with minimum 95 % compaction to MDD. The compacted thickness shall not be more than 300 mm

v) Outside earth required for covering of ash embankment to be arranged by agency from outside NTPC land at his own cost. The quoted rate for this item shall be inclusive of all the cost incurred by agency for arranging borrow area outside NTPC land and payment of all Taxes, Royalties, Duties, Cess etc. NTPC shall not be responsible on any account for borrowing soil from the burrow area arranged by the agency.

vi) NTPC earth required for earth covering of slope area over the ash embankment the agency shall collect the earth from NTPC land. Burrow area shall be shown to the agency in between inner & outer dyke.

vii) The D/S Toe portion of dyke shall be covered with Filter material and Boulder pitching.

viii) The work is to be executed on firm price basis without any escalation.

ix) However, the whole work to be carried out as per the detailed scope of work, BOQ & drawings.