ML18120A017

8 to Fire Hazards Analysis Report (Fhar)Vol. 2. Attachment 3-5I to 3-5J

ML18120A017
Person / Time
Site:	Crane
Issue date:	04/06/2018
From:	Exelon Generation Co
To:	Office of Nuclear Reactor Regulation
Shared Package
ML18117A343	List: ML18117A350 ML18117A352 ML18117A353 ML18117A355 ML18117A359 ML18117A360 ML18117A361 ML18117A362 ML18117A363 ML18117A364 ML18117A366 ML18117A367 ML18117A369 ML18117A370 ML18117A371 ML18117A372 ML18117A374 ML18117A375 ML18117A376 ML18117A377 ML18117A379 ML18117A382 ML18117A383 ML18117A384 ML18117A386 ML18117A387 ML18117A388 ML18117A389 ML18117A390 ML18117A391 ML18117A392 ML18117A393 ML18117A394 ML18117A395 ML18117A396 ML18117A397 ML18117A399 ML18117A400 ML18117A401 ML18117A403 ML18117A404 ML18117A406 ML18117A407 ML18117A408 ML18117A409 ML18117A410 ML18117A411 ML18117A413 ML18117A414 ML18117A415 ... further results
References
TMI-18-047
Download: ML18120A017 (4)

Text

ATTACHMENT 3-5I APPENDIX R EVALUATION REPORT - THREE MILE ISLAND UNIT 1 COMPONENT AVAILABILITY FOR A FIRE IN FIRE AREA/ZONE SHEET 1a LEGEND X - Component Not Available D

- Design Modification S - Support Not Available RSD - Remote Shut Down P - Available-Cable Protected O

- Open Switch or Breaker M - Available-Manual Operation R

- Repair A - Manual Op. Due to Loss of Inst. Air M*

- Manual operation may be challenged by specific hot short Rev. 27 DECAY HEAT REMOVAL A

A A

A A

A A

A A

A A

A A

A A

A A

A C

C C

C C

C C

C C

C C

C C

C C

C B

B B

B B

B B

B B

B B

B B

B B

B I

I B

B B

B B

B B

B B

B B

B B

B B

B T

T F

F F

F F

F F

F F

F F

F F

F F

F F

F F

F F

F F

F F

F F

F F

F F

F A

Z Z

Z Z

Z Z

Z Z

Z Z

Z Z

Z Z

Z F

F A

A A

A A

A A

A A

A A

A A

A Z

Z Z

Z 1

2 1

2 2

2 3

4 5

6 6

7 8

9 1

1 1

2 2

2 2

2 2

2 3

3 3

3 4

4 5

5 COMPONENTS a

b c

a 0

1 1

1 a

b c

d e

f g

a b

c d

a b

a b

REMARKS a

DH-P-1A X

X X

S X

X R

S S

X X

X X

Train A DH-P-1B X

X X

R S

S X

X S

S X

R S

D R

S D

R S

D Train B DH-V-1 M

M M

M M

Train X DH-V-2 M

M M

M M

Train X - Power Removed DH-V-3 M

M M

M M

M Train X DH-V-4A X

M X

X M

X S

X X

X X

Train A DH-V-4B M

M S

M X

X M

S M

S X

M M

M Train B DH-V-7A X

M X

X X

X X

Train A DH-V-7B M

M S

M X

X M

S M

S S

M M

Train B BS-V-3A X

X X

M X

X M

X S

X X

X X

Train A BS-V-3B X

M S

M X

X M

S M

S X

M M

M Train B

ATTACHMENT 3-5I APPENDIX R EVALUATION REPORT - THREE MILE ISLAND UNIT 1 COMPONENT AVAILABILITY FOR A FIRE IN FIRE AREA/ZONE SHEET 1b LEGEND X - Component Not Available D

- Design Modification S - Support Not Available RSD - Remote Shut Down P - Available-Cable Protected O

- Open Switch or Breaker M - Available-Manual Operation R

- Repair A - Manual Op. Due to Loss of Inst. Air M*

- Manual operation may be challenged by specific hot short Rev. 27 DECAY HEAT REMOVAL D

D F

F F

F F

F I

I I

I I

I I

I I

I I

I R

R R

R R

R R

T G

G H

H H

H H

H B

B B

B B

B B

B S

S S

S B

B B

B B

B B

B P

P P

P F

F F

F F

F F

F F

F F

F F

F F

F H

H H

H F

F F

F F

F F

F A

A Z

Z Z

Z Z

Z Z

Z Z

Z Z

Z Z

Z Z

Z Z

Z Z

Z Z

A F

F F

F 1

2 1

2 3

4 5

6 1

2 3

4 5

6 7

8 A

Z Z

Z 1

1 1

1 1

2 3

1 COMPONENTS a

b c

d e

REMARKS 2

1 2

3 DH-P-1A S

X X

S Train A DH-P-1B S

R X

X S

Train B DH-V-1 M

M M

M M

M M

M Train X DH-V-2 M

M M

M M

M M

M Train X - Power Removed DH-V-3 M

M M

Train X DH-V-4A S

X X

Train A DH-V-4B S

M X

X Train B DH-V-7A X

X Train A DH-V-7B S

M X

X Train B BS-V-3A S

X X

Train A BS-V-3B S

M X

X Train B

ATTACHMENT 3-5J APPENDIX R EVALUATION REPORT - THREE MILE ISLAND UNIT 1 COMPONENT AVAILABILITY FOR A FIRE IN FIRE AREA/ZONE SHEET 1a LEGEND X - Component Not Available D

- Design Modification Note 1:

Spurious closure of IC-V-3 and IC-V-4 due to spurious ESAS initiation for a fire in AB-FZ-6, AB-FZ-6a, AB-FZ-9, CB-FA-1, CB-FA-2a, CB-FA-2d, CB-FA-2f, CB-FA-3c, CB-FA-3d, or CB-FA-4b can be corrected at RSD or by manually opening the valves.

S - Support Not Available RSD - Remote Shut Down P - Available-Cable Protected O

- Open Switch or Breaker M - Available-Manual Operation R

- Repair Spurious closure of IC-V-2 due to spurious ESAS initiation for a fire in AB-FZ-6, CB-FA-3c, CB-FA-3d, or CB-FA-4b can be corrected at RSD or by manually opening the valve.

A - Manual Op. Due to Loss of Inst. Air M**

- Manual operation may be challenged by a specific hot short/spurious operation combined with a short to ground Rev. 27 INTERMEDIATE COOLING A

A A

A A

A A

A A

A A

A A

A A

A A

A C

C C

C C

C C

C C

C C

C C

C C

C B

B B

B B

B B

B B

B B

B B

B B

B I

I B

B B

B B

B B

B B

B B

B B

B B

B T

T F

F F

F F

F F

F F

F F

F F

F F

F F

F F

F F

F F

F F

F F

F F

F F

F A

Z Z

Z Z

Z Z

Z Z

Z Z

Z Z

Z Z

Z F

F A

A A

A A

A A

A A

A A

A A

A Z

Z Z

Z 1

2 1

2 2

2 3

4 5

6 6

7 8

9 1

1 1

2 2

2 2

2 2

2 3

3 3

3 4

4 5

5 COMPONENTS a

b c

a 0

1 1

1 a

b c

d e

f g

a b

c d

a b

a b

REMARKS a

IC-P-1A X

P X

X X

D/

M X

S S

S X

X Train X. Manually Place 69 Switch in EMERG at 1A ES MCC.

IC-P-1B X

X P

R S

D X

P X

P X

S R

S D

R S

D R

S D

Train X IC-V-1A X

X X

X X

X X

X X

Train X IC-V-1B X

X X

X X

X X

X X

Train X IC-V-2 P/M M**

R S

D M**

M M

M M

M R

S D

R S

D R

S D

Train B.

IC-V-3 (Note 1)

A A

A P/M A R

S D

/

A M

M A

R S

D

/

A R

S D

O R

S D

/

A R

S D

/

A O

R S

D R

S D

Train A.

O = Open 1E DC Panel Switch

1. 15. Valve will close as soon as 120 minutes after loss of air.

IC-V-4 (Note 1)

A A

A P/A A R

S D

/

A M

X M

A R

S D

/

A R

S D

O M

R S

D

/

A O

R S

D

/

A O

P O

R S

D R

S D

R S

D Train C.

O = Open 1M DC Panel Switch

1. 5. Valve will close as soon as 120 minutes after loss of air.

ATTACHMENT 3-5J APPENDIX R EVALUATION REPORT - THREE MILE ISLAND UNIT 1 COMPONENT AVAILABILITY FOR A FIRE IN FIRE AREA/ZONE SHEET 1b LEGEND X - Component Not Available D

- Design Modification Note 1:

Spurious closure of IC-V-3 and IC-V-4 due to spurious initiation of ESAS for a fire in FH-FZ-1, FH-FZ-2 and FH-FZ-5, can be corrected at RSD or by opening switches or by manual opening of the valves.

S - Support Not Available RSD - Remote Shut Down P - Available-Cable Protected O

- Open Switch or Breaker M - Available-Manual Operation R

- Repair Spurious closure of IC-V-2 due to spurious ESAS initiation for a fire in FH-FZ-1, FH-FZ-2, or FH-FZ-5 can be corrected at RSD or by manually opening the valve.

A - Manual Op. Due to Loss of Inst. Air M**

- Manual operation may be challenged by a specific hot short/spurious operation combined with a short to ground Rev. 27 INTERMEDIATE COOLING D

D F

F F

F F

F I

I I

I I

I I

I I

I I

I R

R R

R R

R R

T G

G H

H H

H H

H B

B B

B B

B B

B S

S S

S B

B B

B B

B B

B P

P P

P F

F F

F F

F F

F F

F F

F F

F F

F H

H H

H F

F F

F F

F F

F A

A Z

Z Z

Z Z

Z Z

Z Z

Z Z

Z Z

Z Z

Z Z

Z A

Z Z

A F

F F

F 1

2 1

2 3

4 5

6 1

2 3

4 5

6 7

8 A

Z Z

Z 1

1 1

1 1

2 3

1 COMPONENTS a

b c

d e

REMARKS 2

1 2

3 IC-P-1A S

X X

Train X. Manually place 69 switch in EMERG at 1A ES MCC.

IC-P-1B S

X Train X IC-V-1A X

X X

Train X IC-V-1B X

X X

Train X IC-V-2 P

/

R S

D P

/

R S

D P

/

R S

D M**

Train B IC-V-3 (Note 1)

A R

S D

/

A R

S D

/

A A

A R

S D

P A

A A

A A

A A

A A

A A

Train A.

O = Open 1E DC Panel Switch

1. 15. Valve will close as soon as 120 minutes after loss of air.

IC-V-4 (Note 1)

A R

S D

/

A R

S D

/

A A

A R

S D

P A

A A

A A

A A

A A

A A

Train C.

O = Open 1M DC Panel Switch

1. 5. Valve will close as soon as 120 minutes after loss of air.