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7/23/2019 ENGG DEC 0704.doc
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TENUGHAT TERMAL POWER STATION SCOPE OF WORK
1.0 Engineering Declaration Submission (Revision No.): R1
Overhaul Date (Proposed) : 16-07-10
.0 Outage period ! duration : 30 DAYS
"usti#ication o# outage duration ! time period : BOILER & LPT OH
3.0 $denti#ication o# E%uipments to be ta&en under Overhaul ! Scope o# 'or& #or
Overhaul.
$S O* E+,$P-ENS $DEN$*$ED O E /EN ,NDER OER2/,.
OER2/,$N3
4.1 O$ER5
ECONOMISER,
LTSH
PLATEN SHREHEATER
WATER WALLS, SCREEN TUBES.
DRUM
PENTHOUSE.
ALL WALLS MOUNTED SOOT BLOWERS, VALVES.
*/NS ! /P25
ID f! "A & B #$ %' '())*!+ %)!
.D. AN-A & B,
P.A.ANS-A, B & C,
SEAL AIR AN- 1, ,3,/, & 6SCANNER AIR AN- A & B
AIR PREHEATER - A & B
ESP ! D,6S5
ELECTROSTATIC PRECIPITATOR "
) +$ DUCT, S2(!'4 & %'*5'4 2$ ATES8 DAMPER./S2 2/ND$N3 S7SE-5
C)*!9' +'*!' A, B, C & D
4. ,R$NE5O';)*!+ (f LP T'
7/23/2019 ENGG DEC 0704.doc
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TENUGHAT TERMAL POWER STATION SCOPE OF WORK
C)*
7/23/2019 ENGG DEC 0704.doc
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TENUGHAT TERMAL POWER STATION SCOPE OF WORK
*) I!$'5!$ S'*2*!+ & C)*) F(*!$
>. I!$%2*(! (f ;!+'$ ! $%%('$.
?. R%)25! (f 2(*)$ $ %' %)!
'ater Aall
S(( ' '($*(!, $2(!'4 *' '($*(!, ! f))*!+ $)+ '($*(!
1 I!$%2*(! ! '%)25! $ %' '*'5!. S5%)*!+ (f T! %)$, $)*!+ 2;!!)$.*inal Super heaters
Unit - 1 / 2010-11 TENUGHAT THERMAL POWER STATION
7/23/2019 ENGG DEC 0704.doc
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TENUGHAT TERMAL POWER STATION SCOPE OF WORK
O';*!+, M*$)*+!5! 21 I!$%2*(! ! P;$ '%)25! (f DMW F(*!$
Reheater and Spacers
O';*!+, A$; '($*(!& M*$)*+!5!
1 I!$%2*(! ! ! F$5! >;'' '*'
2igh8pressure valves
P$$*!+ ! )9+$
O';)*!+, )%%*!+, '%)25! (f +)!$, $'*2*!+ ! $*!+ (f $f4 )$Soot loAers
N(GG) 5+, %$$*!+, )9+$
O';)*!+, !(GG) *!$%2*(! ! '%)25!, %%% ) ! +'
7/23/2019 ENGG DEC 0704.doc
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TENUGHAT TERMAL POWER STATION SCOPE OF WORK
. I5%))' '%*'8'%)25! $ '*'.
4. I!$%2*(! (f $)*!+ )5!$.
;. AF$5! (f '(f(*) . A)*+!5! (f f! ! 2(%)*!+ >*; 5(('
?. S'*2*!+ (f )
7/23/2019 ENGG DEC 0704.doc
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TENUGHAT TERMAL POWER STATION SCOPE OF WORK
/. A)*+!5! (f %*!8'29 $$5
7/23/2019 ENGG DEC 0704.doc
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TENUGHAT TERMAL POWER STATION SCOPE OF WORK
0.R%*' 8 '%)25! (f 2'**2) $)*!+ 2(5%(!!$ )*9 $2(' %)$, T " ))$ ))$.6. R%)25! (f )) 2 5!;()$ %29*!+ '(%8 +$9$.7. R5*!*!+ R&M >('9 f(' f
7/23/2019 ENGG DEC 0704.doc
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TENUGHAT TERMAL POWER STATION SCOPE OF WORK
/S2 2/ND$N3 S7SE-
ottom /sh 2opper:
1. I!$%2*(! ! '%*' 8 '%)25! (f B((5 A$; H(%%' 2$*!+.
. !2;*!+ !(GG) ! %*% '%)25! $ %' '*'5!.
3. Rf'2('4 2(()*!+ %*% ;' *!$%2*(!, '%*'8 '%)25!.
/. S'*2*!+ (f B((5 $; ;(%%' +$.
6lin&er grinder 1B B 4 ! ;
"! B'*!+$ ! +'*!*!+ '()) I!$%2*(!, '%*' 8 '%)25! *f '*'.
. B(4 & 2; - R%)25! (f 5+ %('*(! (f 2;.3. Rf'2('4 2$*!+ $ %' '*'5!.
/S2 2/ND$N3 S7SE-5 6O--ON
1. S)+ )), CST, D'('.
C)!*!+ (f BP, MOT C(()'$, CEP & BP S'*!'$. Che$%ing ' (u))r* +a*ri in(i-e $n-en(er vi(uall. & "# 0PT $he$%ing n ran-+
1a(i(!
Che$%ing ' )i)ing )ull an- $he$%ing ' )i)e hanger( & (u))r*(!
Unit - 1 / 2010-11 TENUGHAT THERMAL POWER STATION
7/23/2019 ENGG DEC 0704.doc
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TENUGHAT TERMAL POWER STATION SCOPE OF WORK
Thi$%ne(( (urve. ' *he $ri*i$al )i)e( li%e 1alan$ing lea% '', -rain/-ri) line( e*$! 0PT
$he$%ing n ran-+ 1a(i(!
Che$%ing ' lan- Lea% '' C/3!
3 /,F$$/R$ES
/. 6EP 9 / and
1. S2*(! $'*!' 2)!*!+
. T;'$
7/23/2019 ENGG DEC 0704.doc
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TENUGHAT TERMAL POWER STATION SCOPE OF WORK
;. D'(' & ST 2)!*!+
7/23/2019 ENGG DEC 0704.doc
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TENUGHAT TERMAL POWER STATION SCOPE OF WORK
3. B(*!+ % ! ) '*).
/. S;*f*!+ (f 5((' ( $*, )*+!5! ! 2(%) '*).
. C(%)*!+ & 2)'!2 f(' '*).
-OORS (entative 8 nos)
2 SAitch gear maintenance (HT SW. R
a. -/$NEN/N6E O* RE/ERS5
1. C)!*!+ (f *2;$, *)*'4 $>*2;$ ! 2(!'() >*'
'5*!*(!$. #R%*'8 '%)2 *f '*'
1. C;29*!+ (f ;);*!$$ (f 2!') %() )' ! (;' (%'*!+ 52;!*$5. #R%*'8
'%)2 *f '*'.13. C;29*!+ (f (*) )) *! )) %()$ ! '%)28 (% % ( !('5) )) *f '*'.
1/. C;29*!+ (f (*) )9+$ *! %()$ ! '2*f*2*(! (f ; $5 $ f())(>$:
1. T*+;!$$ (f %() $$5$;'$ (f ; %() $$5! ( %'5*$$**))
7/23/2019 ENGG DEC 0704.doc
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TENUGHAT TERMAL POWER STATION SCOPE OF WORK
b. -/$NEN/N6E O* 6,$6/S /ND /66ESSOR$ES5
1. C)!*!+ (f *2; #AAS *!
7/23/2019 ENGG DEC 0704.doc
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TENUGHAT TERMAL POWER STATION SCOPE OF WORK
/. T MCC " A, B, C, D
. U!* S'. S>+' " A, B
6. I!'' $>*2; *2; '
. D2 )2'(5+!*2 +' " SLB, SLC, SLD
11. A$; $)''4 MCC " A, C, D
1. ) (*) MCC " A, B
13. A$; >' MCC - A B
1/. S(( B)(>' MCC
1. V!*)*(! MCC
/ER7 /NS /ND 62/R3ERS
/. 0 ,PS /ER7 /N
1. D*$2;'+*!+ ! 2%2*4 $
. M*!!!2 (f
7/23/2019 ENGG DEC 0704.doc
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TENUGHAT TERMAL POWER STATION SCOPE OF WORK
E. RE/7 ES$N3 /ND PROE6$ON 62E6$N3 O* /R$O,S -66s
1. ESP MCC - A&B
. T'
7/23/2019 ENGG DEC 0704.doc
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TENUGHAT TERMAL POWER STATION SCOPE OF WORK
1. A*' *!+ ! 2)!*!+ f(' )) %!)$, 5()$. C;29*!+ (f %(>' $%%)*$ ! ;*'
'5*!)$ *+;!$$.
. C)!*!+ (f )) 2'$ >*; ' $!$(' 2'$ )< ! '$(' ;5 *!
'$%2* )(2*(!.
/. A)) 2'**2) %(>' $%%)4 2*2;$, $()!(*$, %(>' 24)*!'$, * '($, )' 24)*!'$, $()!(*$, $*!+ )< ! !('5)*G*(! f'
52;!*2) 2)'!2.
3. IA )9+ 2;29*!+ & !*!+ )) )*2;$.
. C)**2;$, ;*' %%*!+ %(*!$, %(29*!+ ! %'+*!+.
C*2;$ & '2*f*2*(!8 '%)25! (ff2* $>*2;$.
1. C)!*!+ (f A)) )(2) JB$, %'(%')4 $), %)++ *$ (%!*!+, R%)25! (f Df2*
JB$, %'(%' +)!*!+ (f 2
7/23/2019 ENGG DEC 0704.doc
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TENUGHAT TERMAL POWER STATION SCOPE OF WORK
1. S) *' ( B(>) DP & B(>) DP *5%)$ )*!$ %'+*!+8%(9*!+ )(!+ >*; 2)**2; *! )< ! % ;5 *!( $'*2.
. C;29*!+ (f )) 5*)) 'F2 + %(>' 24)*!'$, $()!(* )$. Df2*$ 2('$
$'*2*!+ )(2), )< ! !('5)*G*(!. O%'*(! 2;29*!+ >*; '2(55*$$*(!*!+ +'(%.
6. M*)) ' 2;'
!2$$'4 ! %*!*!+.
7. M*)) () T8C 2*; O & E.
8.
M*)) 5((' ' 24)*!' ! %($**(!'$, '2*f*2*(! f(' f2* (!$ >*; !>
$)$.
/. A)) SADC 2('$ $'*2*!+ ! %*!*!+.
. C)*('9.
. S'*2*!+ ! )9+ (f 2;29*!+ ))
7/23/2019 ENGG DEC 0704.doc
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TENUGHAT TERMAL POWER STATION SCOPE OF WORK
6. I$()*(! (f ID8D8PA f! ' $%%)*$ %!)$.
. R%)25! (f )4 )5%$ *! *$%)4 !*.
3. C;29*!+ (f )) )2'( 2(!!2*(!$ ! ';$ %(*!$./. C;29*!+ (f E)2'($ $$) '*!$ ! ! )$ 2(!**(!$ '5 )) ;4'$%
$$) *2;$, DP, )(> '!$5*'$.
7. C;29*!+ (f )) *' f*)' '+)('$ ! *$ %'. ++$.
. C)* & '(f(*) f('$2(!'4 *' f)(> *!$%2*(!.
Unit - 1 / 2010-11 TENUGHAT THERMAL POWER STATION
7/23/2019 ENGG DEC 0704.doc
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TENUGHAT TERMAL POWER STATION SCOPE OF WORK
-$S6EENEO,S5
1. R5(), 2)* ! $%! 2)5% $$)4. A$ %' !2$$*4 f('
SADC, CAD, HAD, ID, D, PA A2('$.
. I$()*(!, *!$%2*(! ! 2)*
7/23/2019 ENGG DEC 0704.doc
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TENUGHAT TERMAL POWER STATION SCOPE OF WORK
DE/ER/OR
1. C)!*!+, S'*2*!+ ! 2;29*!+ (f '(' )) $>*2;$.
. D'(' )) '!$5*'$ 2)*)) )) 2(!'() ) MC-7.
S2/* SE/ SE/- /ND E/8O** SE/- S7SE-
1. C)* '!$5*'$, %'$$' $>*2;$ f(' %'(2*(!, %'$$'
$>*2;$, 5((' DE ! NDE 5%'' ++$.
. C;29*!+ ! $*!+ (f B'*!+ RTD$.
3. S'*2*!+ (f BP R2*'2)*(! ) %($**(!'$ ! E8P 2(!''$.
/. P'(2*(! ! *!')(29 2;29*!+ (f BP$ *! $ 5(.
. C;29*!+ ! $*!+ (f B'*!+ T5%'' M()$ #O5!* +'$.
6. C)**; )
7/23/2019 ENGG DEC 0704.doc
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TENUGHAT TERMAL POWER STATION SCOPE OF WORK
1. O';)*!+ ! 2)**2;$.
C)**2;, f2* %)+$.
3ENER/ "O
1. A)) '*' 2*; !> %)+ *! %)2 (f ('9 2.
. C;29*!+ (f CJJ & CCA %!) $%%)4 '5*!*(!$.
,PS
1. P!) 2)!*!+.
. A)) '5*!) *+;!$$ 2;29*!+.
4. C;29*!+ (f 2' $*!+$, 2(()*!+ f!$ ! 2)*
7/23/2019 ENGG DEC 0704.doc
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TENUGHAT TERMAL POWER STATION SCOPE OF WORK
. C;29*!+, 2)!*!+ & $)*!+ (f )) '*% ') JB$.
3. C;29*!+ (f '5*!) *+;!$$.
/. C;29*!+ 2' %(>' $%%)4 f$$.
. R; $4$5: '%)25! (f 2(!!*(!) )*5* $>*2;$ >*; )')$$ $>*2;$.
6. S'*2*!+ (f ; +)! $5 2('$.
7. 8- 6 VDC $%%)4 (f ATRS #HI-REL: %'(*$*(! (f f$ $>*2; !* *! %)2 (f MCCB.
3:D/S /RE/
1. M) 5%'' ;'5(2(%) JB$ 2)!*!+, *2;$ 2)* !+$! 2'+ *+;!$$, 5(('
7/23/2019 ENGG DEC 0704.doc
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TENUGHAT TERMAL POWER STATION SCOPE OF WORK
. A)*+!5! (f +' *; %))4.
10. L4 ( (f !> f(!*(!.
11. C**) >('9 f(' !> f(!*(!.
1. '(*!+ (f !> 5((' ;*) '%)2*!+ *! RH '' >;' f'! ('
;*!+ $*+!$ ' >*!$$.
*/N ! /P2
1 B(*)' A*' P' ;'$ S5 S(( B)(>' C(!$5%*(! (f
C($)4 S5
C(55*$$*(!*!+ (f
A2($*2 S(( B)(>'
B(*)' A*' P';' R%)25! C!'
$2*(!
P'$! C!'
$2*(! ;$
'.
I!$%2*(! ! '%)25! (f $ ! $)*
*f '*'.
A*' *!9 ) 2;(29*!+ &
5+.
I!$%2*(! ! 2)!*!+ ! '%)25! *f
'*'
ESP %*% )*! 2)!*!+ &
5+
I!$%2*(! ! 2)!*!+ ! '%)25! *f
'*'
Unit - 1 / 2010-11 TENUGHAT THERMAL POWER STATION
7/23/2019 ENGG DEC 0704.doc
23/25
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TENUGHAT TERMAL POWER STATION SCOPE OF WORK
. H' )$
#ESP )*!$,
W & 25
$;',
$$5*!+ ; !(GG)$ ! *'
>$;' !(GG)$ 2)!*!+ & '%)25! *f
'*'.
I!$%2*(! (f %*% & '%)25! *f '*'.
/. S'*2*!+ (f
52;!*2)
;$'
S) >' )*! 5+ &
2;(29*!+ &
7/23/2019 ENGG DEC 0704.doc
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TENUGHAT TERMAL POWER STATION SCOPE OF WORK
8- 6 VDC
SUPPLY O
ATRS#HI-
REL
IMPROVISATION O
BATTERY CHARIN -
ISOLATION SYSTEM
PROVISION O USE
SWITCH UNIT IN PLACE
O MCCB
TRIPPIN COMMITTEE
RECOMMENDATIONS
SL.NO.
SUB -AREA
E@ISTINSCHEME
REASON ORMODIICATION
SCHEME TO BEIMPLEMENTED
REMAR?S
1 SEAL OIL
&
STATOR
WATER
SYSTEM
COMMON
POWER SUPPLY
OR ALL
CRITICAL & AS
WELL AS NON
CRITICAL
INSTRUMENTA
TION
DIICULTY IN
MAINTENANCE,
REDUCED SAETY &
PROBABLE
ENERATION LOSS
SEREATION O
DIERENT POWER
SUPPLIES
THIS SHALL
ENHANCE
SAETY &
EASE
MAINTENANC
E
EHC &ATRS
AMS-1MODULES OR
SPEED & LOAD
SETTER 8
REERENCE
STATION HASSUERD ENERATION
LOSS & TRIP
COMMITTEE
RECOMMENDATION
REPLACEMENTWITH A-1
MODULES
ENHANCEDSTATION
ENERATION
3 EHC &
ATRS
NATURAL
COOLIN O
ANS
IMPROVISATION O
COOLIN
ARRANEMENT
PROVISION O
COOLIN ANS
THIS SHALL
ENHANCE
CARD
PERORMANCE
6!$ 8 D/S5
SL.
N
O.
MAIN
AREA
SUB - AREA BRIE DESCRIPTION O
?EY PROBLEM
CORRECTIVE ACTIONS
PLANNED
1
S+-I
DAS $4$5
DAS S4$5
P!)$
A225)*(! (f 2() $ *!
P!)$
C)!*!+ ! *' *!+ (f
DAS S4$5 %!)$
S+-I
A!!.$4$5
A!!. S4$5
P!)
A225)*(! (f 2() $ *!
P!)
C)!*!+ ! *' *!+ (f
A!!.S4$5 %!)
3
----D(-----
C(!!$'
!
7/23/2019 ENGG DEC 0704.doc
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TENUGHAT TERMAL POWER STATION SCOPE OF WORK
. AREA AREA SCHEME N IMPLEMENTED
1 S+-I
DAS
U3
D
A2*$*
*(!
S4$5.
O'*!'4
T;'5(>))$ f('
RH & SH f)
+$ 5%5$'5!
' *)
!+$! 2'*))