ANNEXURE-A

SALIENT TECHNICAL FEATURES (ASH DISPOSAL PIPE LINE OF STAGE-II)

PLANT OVERVIEW

NTPC Talcher-Kaniha (TSTPS) plant is located in Kaniha block under Talcher sub- division of Angul district in the state of Orissa.

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

EQUIPMENTS INVOLVED

There are six ash disposal series from Ash slurry Pump House to St-II Ash Dyke and Ash water recirculation system consist of suction line (1200nb Dia. pipe) from over flow lagoon to Ash water recirculation pump house and two MS lines of 600nb each from Ash water recirculation pump house to inside plant. Each series is having 12 k.m long pipe line. The equipments under consideration consist of six ash disposal series form plant boundary wall to stage-II ash dyke including periphery of ash dyke & each series is having approximately 12 k.m. of 450 NB MS/Basalt pipeline and recirculation pipe line. The sprinkler system is to be operated inside the ash dyke to suppress the fugitive ash emission in the ash dyke.

JOBS IN BRIEF

In general the contract consists of miscellaneous maintenance, pipe rotation, pipe replacement/Lifting pipe line extension in Ash dyke, welding joints, fabrication and erection of MS bends, replacement of basalt pipe & bends, thickness measurement of pipe line and watch & ward of disposal pipe lines. The sprinkler system to be laid / operated inside the ash dyke area.