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residual life assessment (rla) based renovation ... - India Core

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5.4.2 FOR LP TURBINE:<br />

<br />

<br />

<br />

<br />

<br />

<br />

<br />

<br />

<br />

Removal of existing Liners, Diaphragms & Rotor.<br />

Measurement of log dimensions (as per log sheet to be supplied by BHEL,<br />

Hardwar), during previous overhaul.<br />

Cutting of deflectors / ribs & blanking the space in LP casing due to removal of<br />

baumen stage.<br />

Modification of structure at the exhaust end of LPC to facilitate installation of liner<br />

& guide blade carrier.<br />

Installation of water spray system in position.<br />

Matching / machining of parting plane and correction, if any.<br />

Installation of Liners & Guide Blade Carriers in position.<br />

Installation of new Mono-block LP Rotor in position.<br />

Measurement of Steam Flowpath and correction, if any.<br />

5.5 PAY BACK PERIOD:<br />

Pay back period will be approximately 3 years.<br />

International Conference & Exhibition<br />

<strong>India</strong> Thermal Power-4<br />

Page 14 of 22

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