ML20052E941

Alternate Shutdown Study, Final Rept Apr 1982

ML20052E941
Person / Time
Site:	Comanche Peak
Issue date:	05/07/1982
From:	GIBBS & HILL, INC. (SUBS. OF DRAVO CORP.)
To:
Shared Package
ML20052E936	List: ML20052E935 ML20052E941
References
NUDOCS 8205110557
Download: ML20052E941 (115)

Text

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I l IL COMANCHE PEAK STEAM ELECTRIC STATION UNITS I & II ALTERNATE SHUTDOWN STUDY FINAL REPORT 8

APRIL 1982 l

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GIBBS & HILL, INC.

ENGINEERS, DESIGNERS, CONSTRUCTORS NEW YORK, NEW YORK 8205110557 820507 PDR ADOCK 05000445 F

PDR ,

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l CONTENTS SECTION TITLE PAGE

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1.O INTRODUCTION 2.0 PURPOSE I 3.0 METHODS AND GENERAL ANALYSIS OF STUDY AND FINAL DESIGN 3.1 METHODS OF STUDY 3.2 GENERAL ANALYSIS OF STUDY 3.3 FINAL DESIGN M TABLE 1A PROCEDhRES TO BE FOLLOWED FOR FIRE IN CSR/CR TABLE IB TRANSFER SWITCHES LOCATED ON STP TABLE IC VALVES REQUIRED FOR SHUTDOWN CSR/CR TABLE 1D INSTRUMENTATION AND CONTROL U LOCATED ON HSP, TRAIN "A" & "C" TABLE 1E INSTRUMENTATION AND CONTROL lUS LOCATED ON HSP, TRAIN "B" & "C" TABLE 2A PROCEDURE TO BE FOLLOWED FOR FIRE AT HSP TABLE 2B VALVES REQUIRED FOR SHUTDOWN l

(HSP FIRE) i I TABLE 3A PROCEDURE TO BE FOLLOWED FOR FIRE AT STP Ig TABLE 3B VALVES REQUIRED FOR SHUTDOWN

• g (STP FIRE)

TABLE 4 HIGH PRESSURE / LOW PRESSURE INTERFACES TABLE 5 ALTERNATE SHUTDOWN ANNUNCIATORS .

TABLE 6 JUNCTION BOXES AND LOCATIONS I

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I CONTENTS (Continued) I SECTION TITLE PAGE 4.0 DETAILED ANALYSIS OF SHUTDOWN LOGIC SKETCH XB-2323-1800 4.1 HOT STANDBY (HSB) ANALYSIS 1 4.2 HOT SHUTDOWN (HSD) ANALYSIS 4.3 COLD SHUTDOWN (CSD) ANALYSIS 4.4 COMPONENT COOLING WATER ANALYSIS I

lI 4.5 SERVICE WATER SYSTEM ANALYSIS 4.6 CHILLED WATER SYSTEM ANALYSIS g 4.7 DIESEL GENERATOR & AUXILIARIES ANALYSIS 4.8 AC POWER AVAILABILITY

5.0 CONCLUSION

6.0 LIST OF ABBREVIATIONS 7.0 -

REFERENCES ATTACHMENTS

, 1- SHUTDOWN LOGIC (XB-2323-1800)

J 2- FIGURE 1

E 3- FIGuaE 2 lI E 4- FIGURE 3 4 5- FIGURE 3A t 6- FIGURE 4 l 7- FIGURE 5 8- FIGURE 6 9- P & IDS II I

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1.0 INTRODUCTION

A catastrophic fire in the CPSES Unit I or II control room (CR),

I cable spreading room (CSR) or at the hot shutdown panel (HSP) was the basis for this study. The design basis for such a catastrophic event was the " transient exposure fire" required to I be postulated by NRC Branch Technical Position (BTP) APCSB 9.5-1.

Of the three locations, either the CR or CSR area fire was controlling case regarding design changes as compared to the the HSP location. By circuitry changes and equipment rearrangement at the HSP area, the design was changed to ensure complete isolation of the CR and thus enable safe shutdown of the plant from either the CR or the HSP.

5 It should be noted that the original design of the HSP required only the postulated evacuation of the CR for an unspecified non-t catastrophic event. No damage to equipment in the CR or CSR was assumed in the analysis of equipment required to meet General Design Criteria 19: to enable reactor shutdown from outside the

}I CR. Hence, the transient exposure fire represents a fundamental departure from this concept.

l 2.0 PURPOSE The purpose of this study was:

a. To analyze the effect on CPSES Unit I or II control system of I a major fire in either the CR, the CSR, the HSP Shutdown Transfer Panel (STP).

or the new

b. To suggest a means of achieving hot standby, and subsequent lr cold shutdown, in spite of the postulated destruction by

! fire.

. c. To revise the existing control systems with the least impact on construction, existing documentation and interfaces with l instrument or equipment suppliers.

d. To incorporate in these changes human factors engineering principles in order to make the operators' work station I (i.e., the HSP) simple and effective in aiding them to shut the plant down safely in the event of this postulated destructive fire.

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I Major assumptions made in addressing alternate shutdown I

capability per the BTP were as follows:

a. The unit, while operating at full power, develops a serious fire in one of the areas postulated.

@ b. The unit is brought to hot standby (reactor and turbine tripped, systems at no-load pressure and temperature) immediately, and is, subsequently, capable to proceed to cold shutdown within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />.

c. Loss of offsite power may occur with the generator trip.

Fa

d. Shutdown will be achieved using one train of shutdown systems, either Train "A" or "B."

e. No additional single or multiple failures or events are I

m considered concomitant with the signals emanating considered.

from postulated fire.

equipment in the fire zone are Spurious

f. The alternate shutdown system is important to safety, but is not Class 1E. It is a combination of Class 1E and non-Class 1E controls and monitors. Class 1E control l systems, if revised, shall have Class 1E components.

5 Alternate shutdown is primarily intended to overcome fire damage unaccompanied by a LOCA or other accidents that render systems incapable of performing their intended functions.

i 3.0 METHODS AND GENERAL ANALYSIS OF STUDY AND FINAL DESIGN l 3.1 METHODS OF STUDY b In order to examine alternate shutdown capability, a shutdown logic diagram (Sketch XB-2323-1800, Sh. 0-15), Attachment I, was

!I developed to show the existing control schemes for CPSES I or II.

_l It also shows those portions of systems and components, required for shutdown, that were disabled by the postulated fire. A I detailed discussion of shutdown logic sketch XB-2323-1800 is contained in Section 4 of this report.

In addition, mini-P & ids were also developed to portray essential equipment, instrumentation and flow paths in order to facilitate analysis and understanding of the shutdown capability sought. Instruments and controls indicated in the P&ID are the

.I actual controls located at the front of the panels and doesn't show complete interlocks. For details refer to individual ICD's.

l The following attachments are tabulated below: -

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List of P&ID's I FIRE Dwg. No. System CR HSP STP 1A SSW System X 1B SSW System X ~

R IC SSW System X 2A CCW System X 2B CCW System I 2C CCW System X

X 3A SG Inventory Control X a 3B SG Inventory Control X 7 3C SG Inventory Control X 4A SG Pressure Control X 4B SG Pressure Control X X 5A RCP Seal Integrity, y Reactivity Control and

) RCS Inventory Control X 5B RCP Seal Integrity, g Reactivity Control and

[ RCS Inventory Control X SC I

RCP Seal Integrity, Reactivity Control and RCS Inventory Control X -

6A RCS Pressure Control X

,, 6B RCS Pressure Control X C RCS Pressure Control X 7A Chilled Water System, Room Ventilation and rg Diesel Generators X lI.E 7B Chilled water System,

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Room Ventilation and Diesel Generators X i 7C Chilled Water System, Room Ventilation and W Diesel Generators X 3.2 GENERAL ANALYSIS OF STUDY 3.2.1 A major fire in the CR or CSR, just beneath the CR, could disable systems needed for either hot standby or

cold shutdown of the plant. Most of the instrument I

loops are powered from the CR and all interlocking .

signals for automatic controls, such as safety injection g lI

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I4 or blackout, originate in the CR. A fire at the HSP area could result in the destruction of transfer switches (local / remote),

Ig normally in the position, of safe shutdown equipment for both Trains "A" and "B."

remote l 3.2.2 A majority of the CPSES Unit I and II control systems reviewed are in a " series" configuration as shown in Figure 1, Attachment 2. In this arrangement, transmitters send analog signals to the CR where they are indicated or monitored and retransmitted to the HSP to perform the same function as in the CR. Their power I supply, however, is in the CR. It, therefore, becomes evident that if either the CR or CSR is seriously damaged, the HSP is also inoperative.

I 3.2.3 All of the changes required, as a result of the analysis of safe shutdown paths, were reduced to the four general cases described below.

E Case 1. For simple indicating loops, another p transmitter was added alongside the existing transmitter, and terminated at the HSP.

Existing indicators on the HSP, provided by

G&H or W, were used. In addition, a new power supply was added at the STP (and, I unaffected by the CR fire) and existing wiring between the CR and the HSP was thus disconnected.

n. See Figure 2, Attachment 3.

Case 2. For complex loops with indication and control d functions, new transmitters were added (alongside existing transmitters) and were l4 terminated at the HSP. Final control signals emanating from either the CR or the HSP are now routed to the transfer panel and through a iI local / remote selector switch to the final control element. Existing instrumentation at the HSP, provided by G&H or W, was used as in IE Case 1 above and existing wiring between the

!g CR and the HSP was disconnected. See Figure 3, Attachment 4.

Case 2A. The existing transmitter was rerouted to a selector switch added at the STP. The final j, element wil be controlled from either the CR or the HSP as selected at the transfer panel.

i See Figure 3A, Attachment 5.

1' l Case 3. For train "A" motor operated valves needed for

• l safe shutdown, that are controlled from the I

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I control room, wiring was revised so that the final control signal passes through a selector I

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switch added to the STP. A hand switch was added to the HSP, thus, control of Train "A" valve can be obtained from either the the CR or the HSP as selected from the c transfer panel. In addition, valve position lights for the Train B valve were added to the HSP. See Figure 4, Attachment 6.

Case 4. Train "A" equipment required for safe shutdown already had their selector switches and local

, control switches located on the HSP. The l

selector switches were relocated to the STP

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and control switches remain at the HSP. In addition, " equipment running" lights were added to the HSP. See Figure 5, Attachment 7.

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3.2.4 If a CR design basis firs is postulated, offsite power may be lost. If available, the RC pumps are allowed tc run (forced circulation). If lost, cooling without p forced RC flow (natural circulation cooldown) introduces jg certain simplifications in control system design. The N

3 operator has the option of deciding between forced or natural circulation. In the event of a CR fire, the RCPs can be manually tripped at the switchgear. To shut down the plant, the Train "A" diesel generator would be manually started along with the component cooling water, service water, and chilled water systems and associated emergency room fan-coolers for this equipment I

(Train "A").

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Many fluid flow paths, such as component cooling water I to and from the reactor containment, consist of either

" parallel" or " series" valve connections, depending on the design. Train "A" and Train "B" valves in series

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are designed to close on a containment isolation signal.

A parallel connection of Train "A" and Train "B" valves is usually designed to open to mitigate the effects of a postulated accident. In the case of a design basis CR

.I fire, the objective is to shut down the plant in an

' orderly manner, assuming only one source of power supply

[g available. Reversing the intended function of the valve g arrangement would now become important. For example, flow of component cooling water (CCW) into the reactor p building for RCP cooling must be maintained even if Train "B" power and control is lost due to the design basis fire causing its Train "B" powered isolation valves to close.

1 I CCW isolation valves in the fluid flow path are in series, one powered from Train "A" and the other Train "B." from Although most of these valves are motor-operated and fail "as-is" on loss of power, the occurrence of a spurious signal from a burning control room must be considered. To preclude mispositioning of key Train "B" valves, the design changes described below were made.

3.2.5 The problem of transferring control of circuits, automatically controlled before the postulated fire, to manual control, for all systems involved in this study, has been carefully reviewed. The bumps associated with transfer are considered of minimal consequence since

,3 most of the valves controlled or MOVs, are slow acting.

Bumps associated with 5 prescribing procedures to enable pump starts can be mitigated by regulation of bypass and discharge flow.

3.2.6 Detail analysis of communication systems, emergency lighting and access are not included in this report.

3.2.7 All high pressure / low pressure interfaces with the RCS have been identified and listed in Table 4. The design has been modified to ensure that no LOCA would result as a consequence of the postulated catastrophic fires.

3.3 FINAL DESIGN -

In order to preclude a spurious signal from mispositioning the key Train "A" and "B" valves and to protect at least n'I 1 safety train ("A" or "B"), during a CR/CSR or HSP fire the following was accomplished:

1. Installed a new Shutdown Transfer Panel (STP) for key train I "A", "C" switches.

and associated train "AA" equipment These included pumps, valves, suitchgears and power supplies for analog instruments.

transfer Control circuits now have 2 sets of readily accessible fuses.

2. Shutdown control systems of Train "A" were revised to be l completely independent of the CR. Essential Train "B" valves

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in series with vital Train "A" valves now have indicating lights at the HSP. These lights are independent of A-C power sources (Train "B" or "C" battery) and are not affected by a

, CR/CSR fire.

3. Running lights for vital equipment are provided at the HSP. -

Process indication, control switches and indicating lights are functionally grouped for ease of operation.

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4. Procedures proposed now incorporate specific actions of the operator in case of a design basis CR, CSR, H3P or STP fire.  !

Tables 1 through 3 below tabulate procedures to be followed I

for each postulated fire. The tables provided are for Unit I Instruments and Controls and are typical for Unit II. Note l

that procedures proposed are preliminary guides that augment this study. Actual, final detailed procedures ,

will be l developed by TUGCo.

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I TABLE 1A i

PROCEDURE TO BE FOLLOWED FOR FIRE IN CSR/CR (Only Train "A" Equipment Required)

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OPERATOR'S G

WORK STATION PROCEDURES CR 1. Prior to evacuating CR, trip the Reactor, Turbine & Generator.

STP 2.

Transfer all Sel-Switches at the STP from " Remote" To " Local." See Table No. 1B and Fig. 6, Attachment No. 8.

3. Start Essential Equipment D.G. Local A. Diesel Gen. "A" and Auxiliaries Control Panel A.1 Emergency start switch for DG "A" 5

b (No Tag No.) and HS-3375A F.O.

Transfer Pump HSP A.2 CCW PP No. 1 HS-4518C HSP A.3 SW PP No. 1 HS-4250C

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HSP A.4 Chilled Water Recirculation PP No. 6700, HS-6700 FL HSP B. Charging PP APCH 1/1-APCHIL HSP B.1 Boric Acid Transfer PP I1 l -

No. APBA1 1/1-APBA1L HSP C. Aux. Feedwater PP No. 1 HS-2450C 1

l Local Panel D. Emergency Fan Room Coolers n

(Local Area) such as Local Panel D.1 Diesel Generator "A" i Room Fans HS-5691A3, HS-5691B3

' 5691C3, 5691D3, and 5691E3 i1 l

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WORK STATION PROCEDURES Local Panel D.2 Electrical Area Train "A"

• I Room Coolers El-810'-O" HS-5684B3 (SE-17) HS-5684A3 1 (SE-18)

Local Panel D.3 CCW Pump Room Cooler HS-5800C(SE-07)

Local Panel D.4 Aux. Feedwater PP Room Cooler 1 HS-5676C (SE-07)

Local Panel D.5 Charging PP Emergency Fan

_I HS-5802C (SE-03)

I Local Panel D.6 RHR PP 01 Room Cooler (CSD HS-5668 (SE-01)

I HSP E.

RHR PP No. 01 (CSD 1/1-APRHlL) h Local Panel 4.

While the above equipment is being started, other operators at the same time are

.I tripping the Power Circuit Breakers at the MCC of all Train "B" motor operated

,3 valves that are in flow line of safe 3 shutdown systems to preclude spurious s signals from mispositioning these valves HSP 5. Verify position of Train "B" valves i

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using monitor light box MLB-63 at the HSP Train "B." If any of these valves are out of alignment (light on), the l!

operator shall direct other operators to manually operate the misaligned valves. See Table 1 C.

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TABLE IB

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TRANSFER SWITCHES LOCATED ON STP I

[. ITEM NO. TAG NO.

FUNCTION / DESCRIPTION

1. HS-2450B MOT DRVN AFWP-1 REMOTE LOCAL

2. HS-2453AF MOT DRVN AFWP-1 TO SG-1 CNTR VLV REMOTE LOCAL

3. HS-2453BF MOT DRVN AFWP-1 TO SG-2 CNTR VLV REMOTE LOCAL

4. HS-2456FT MOT DRVN AFWP-1 RECIRC VLV REMOTE LCCAL 0 5. HS-2452B TURB DRVN AFWP STM SPL*/

HDR #1 VLV REMOTE LOCAL

[ 6. HS-4250B SSW PMP-1 REMOTE LOCAL

7. HS-4286FT SSW PMP-1 DSCH VLV REMOTE LOCAL 8.

HS-4393FT DSL GEN-A SER WTR CENTR VLV REMOTE LOCAL

9. HS-4699FT CCW TO RC PMP COOLERS f"

ISO VLV REMOTE LOCAL

10. HS-4701FT t., RCP MOT AIR AND LUBE OIL COOLERS CCW RETURN HDR ISO VLV REMOTE LOCAL rl 11. HS-4518B CCW PMP-1 REMOTE LOCAL

12. HS-4514FT

.. I CCW HX TO NON-SAFETY LOOP-1 CNTR VLV REMOTE LOCAL Q

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13. HS-4524FT NON-SAFETY LOOP RET TO CCW HDR ISO VLV REMOTE LOCALt+1

14. H5-4526FT CCW TO NON-SAFETY LOOP ISO VLV

'I 15. SPARE REMOTE LOCAL I .

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I TABLE IB (Continued)

ITEM NO. TAG NO. FUNCTION / DESCRIPTION

16. 43/1-APCHlL CENT CHRG PUMP-1 REMOTE LOCAL

17. 43/1-APBAlL BORIC ACID TRANS PUMP-I REMOTE LOCAL

18. 43/1-TCV-129 LTDN TO DEMINER OR VOL CNTR TK REMOTE LOCAL u 19. 43/1-8106FT CHRG PMPS TO RCS ISO VLV REMOTE LOCAL 3 20. 43/1-8801AF CHRCr PfAPS TO RC,$ 51$ ~

q ISO VLV REMOTE LOCAL

21. ~ 43/1-8149AL CVCS LTDN ORFC ISO VL'V REMOTE LOCAL a

22. 43/1-8149BL CVCS LTDN ORFC ISO VLV REMOTE LOCAL

23. 43/1-8149CL CVCS LTDN ORFC ISO VLV

,I REMOTE LOCAL

24. 43/1-8110FT CHRG PMP MINIFLOW/ ISO VLV

[ REMOTE LOCAL L

25. 43/1-121-FT PRZR LVL CNRL VLV REMOTE LOCAL

26. 43/1-APRH1F RHR PMP-1 REMOTE LOCAL t+1 jg

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27. 43/1-8701AF RHR LOOP 1 INLET ISO VLV

'l REMOTE LOCAL

28. 43/1-8701BF RHR LOOP 2 INLET ISO VLV REMOTE LOCAL

.3 29. SPARE

30. HS-5405B CONT RECIRC FAN 01 REMOTE LOCAL

31. HS-2333FT MS LOOP 1 ISO AND BYPASS VLVS T

REMOTE LOCAL I ..

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I TABLE 1B (Continued)

ITEM NO. TAG NO. FUNCTION / DESCRIPTION k 32. HS-2334FT MS LOOP 2 IS AND BYPASS VLVS c REMOTE LOCAL 0 33. HS-2335FT MS LOOP 3 ISO AND BYPASS VLVS f 34. HS-2336FT REMOTE LOCAL MS LOOP 4 ISO AND BYPASS VLVS REMOTE LOCAL i

35. HS-5413B Col,I RECIRC FAN 03 REMOTE LOCAL

36. 43/1-455 AFT PRZR PWR REIEF VLV REMOTE LOCAL

,_ 37. 43/1-PCPRIL PRZR HTR BACKUP GROUP-A a REMOTE LOCAL j

38. 1-HS-XT WTR CHILLER CNTR REMOTE LOCAL

39. HS-6700FT CH WTR RECIRC PMP-5 REMOTE LOCAL

40. SPARE

, 41. 43/1EAl-1 INCOMING BKR 1EAl-1 REMOTE LOCAL

43. 43/1EAl-2 INCOMING BKR 1EAl-2 REMOTE LOCAL

42. 43/1EG1 DIESEL GEN BKR 1EG1 J

REMOTE LOCAL

44. 43/BT-1EA1

" TIE BKR BT-1EA1 REMOTE LOCAL

45. SPARE

46. 43/TIEB1 BUS 1EA1 TRANSFER T1EB1 FEEDER BKR REMOTE LOCAL

'. 47. 43/1EB1-1 INCOMING BKR 1EB1-1 REMOTE LOCAL

, 48. 43/TIEB3 BUS 1EA1 TRANSFER 1EB3 I FEEDER BKR REMOTE LOCAL

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TABLE 1B (Continued)

ITEM NO. TAG NO. FUNCTION / DESCRIPTION

49. 43/1EB3-1 INCOMING BKR 1EB3-1 ,

REMOTE LOCAL

50. 43/BT-1EB13 TIE BKR BT-1EB13 REMOTE LOCAL I

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t TABLE 1C i

VALVES REQUIRED FOR SHUTDOWN (CR FIRE)

VALVES TRAIN REQUIRED HSP INDICATION DESCRIPTION POSITION OR CONTROL

1. HV-2491B "B" AFW to STM GEN No. 1 Open WL-2491BF**

2. HV-2492B "B" AFW to STM GEN No. 2 Open WL-2492BF**

3. PV-2453A "A" Aux. Feedwater Press Control Open FK-2453C p 4. PV-2453B "A" Aux. Feedwater Press Control Open FK-2453D p 5. HV-4393 "A" SW from Diesel GEN. "A" Open HS-4393FL

6. 1/1-8351A "B" Seal Inj. Inlet RCP i

No. 1 Open WL-8351AF**

7. 1/1-8351B "B" lI a

Seal Inj. Inlet RCP No. 2 Open WL-8351BF**

8. 1/1-8351C 'B" Seal Inj. Inlet RCP No. 3 Open WL-8351CF**

9. 1/1-8351D "B" Seal Inj. Inlet RCP No. 4 Open WL-8351DF**

10. 1/1-8110 "A" Charging PPs Min.

Recir. Valve Open 1/1-8110FL i 11. 1/1-8111 "B" Charging PPs Min.

Recir. Valve Open WL-8111F**

) 12. 1/1-8801A "A" Charging PP Disch Isol. Close 1/1-8801AF Valve

13. 1/1-8801B "B" Charging PP Disch Isol. Close WL-8801BF**

7 Valve I

14. 1/1-8104 "B" Charging PPs Inlet

Control Valve Open WL-8104BF**

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Local Manipulation of Valve Required I ** Monitor Lights on MLB-63

• • • Alternate Power (TR."A") Capability is Being Provided.

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TABLE 1C (Continued) h.

n I VALVES TRAIN DESCRIPTION REQUIRED POSITION -

HSP INDICATION OR CONTROL

15. 1/1-8106 "A" Charging PPs Disch to [

8 CVCS Isol. Valve Close 1/1-8106FL

16. 1CS-8444 "B" Charging PPs Inlet Isol, Valve i Close None*

17. FCV-121 "C" Pressurizer Level Control Open FK-121A

18. HV-4515 "B" CCW Train "B" Isol.

Valve Close WL-4515F**

19. HV-4525 "B" CCW Flow From Non Safe-Guards Loop Open WL-4525F**

20. HV-4527 "B" CCW Flow to Non Safe-Guards Loop Open WL-4527F**

21. HV-4700 "B" CCW Flow Inlet Header to RCP Coolers Open WL-4700F**

22. HV-4708 "B" CCW Flow Return Header

_ From RCP Open WL-4708F** -

23. HV-4514 "A" CCW Train "A" Isol.

Valve Open HS-4514FL

24. HV-4524 "A" CCW Flow to Non Safe-guard Loop Open HS-4524FL lr

25. HV-4526 "A" CCW Flow From Non i

Safeguard Loop Open HS-4526FL

26. HV-4699 "A" CCW Inlet Flow to '

RCP Coolers Open HS-4699FL

,e 27. HV-4701 "A" CW Return Flow From RCP Coolers Open HS-4701FL 3 28. HV-4286 "A" SW Disch. Isol. Valve Open HS-4286FL Local Manipulation of Valve Required .

• • Monitor Lights on MLB-63

• • • Alternate Power (TR."A") Capability is Being Provided.

TABLE IC (Continued)

VALVES TRAIN REQUIRED HSP INDICATION j- DESCRIPTION POSITION OR CONTROL

29. 1/1-8702A "B" RHR Suction Isol. Valve None (HSD, HSB) Close 1/1-8701A (TR"A" CLOSE)

(CSD) Open ***

30. 1/1-8702B "B" RHR Suction Isol. Valve None (HSD, HSB) Close 1/1-8701B (TR"A" i 31. 1/1-8701A "A" (CSD) Close CLOSE)

RHR Inlet Isol. Valve

,I (HSD, HSB) Close 1/1-8701AF (CSD) Open 1/1-8701AF 3 32. 1/1-8701B "A" RHR Inlet Isol. Valve 3 (HSD)(HSB) Close 1/1-8701BF (CSD) Close 1/1-8701BF

33. HCV-606 "C" RHR Disch Control Valve Open HC-606 See Table 6 -

34. FCV-618 "C" RHR Min. Flow Valve Close HC-618

g See Table 6

35. FCV-610 "A" RHR Min. Flow Valve Close None*

j 36. 1/1-8809A "A" RHR Disch Isol. Valve Open None*

37. 1/1-8716A "A" RHR Cross Connect Close None*

4 l;. Valve I 38. 1/1-8812A "A" RHR Suction Cross-connect Close None*

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• Local Manipulation of Valve Required .

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• • Monitor Lights on MLB-63

• • • Alternate Power (TR."A") Capability is Being Provided.

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TABLE 1C (Continued)

VALVES REQUIRED HSP INDICATION

, TRAIN DESCRIPTION POSITION OR CONTROL

39. 1/1-8808A "A" S1 Accumulator Tank Isol. Valve (CSD) Close None-Manually By Jumpering @

1 MCC Indicating Lights

40. 1/1-8808B "B" S1 Accumulator Tank Isol. Valve (CSD) Close None-Manually By Jumpering @

[. MCC Indicating Lights 1 Provided @ MC'C

41. 1/1-8808C "A" S1 Accumulator Tank Isol. Valve (CSD) Close None-Manually By Jumpering @

MCC Indicating Lights p Provided @ MCC

42. 1/1-8808D "B" S1 Accumulator Tank

_ Isol. Valve (CSD) Close None-Manually By Jumpering @

MCC Indicating Lights l

Provided @ MCC

43. PV-2325 "A" SG No. 1 PORV Close HC-2325 See Table 6

44. PV-2327 "A" SG No. 3 PORV Close HC-2327 l

See Table 6

45. PV-2326 "B" SG No. 2 PORV Close HC-2326 See Table 6 i

-De l

Local Manipulation of Valve Required *

• • Monitor Lights on MLB-63

-I *** Alternate Power (TR."A") Capability is Being Provided.

I I TABLE 1C (Continued)

VALVES REQUIRED HSP INDICATION

[ TRAIN DESCRIPTION POSITION OR CONTROL

46. PV-2328 "B" SG No. 4 PORV Close HC-2328 See Table 6 PV-5180 "C" SG Blowdown Drains Close HS-5180F

46. HV-4395 "A" 3W to Aux Feedwater PP Close None*

49. 1/1-8149A "A" Letdown Isol. Valve Close 1/1-8149AL

50. 1/1-8149B "A" Letdown Isol. Valve Close 1/1-8149BL

51. 1/1-8149C "A" Letdown Isol. Valve Close 1/1-8149CL

52. PCV-455A "A" Pressurizer PORV Close 1/1-455AFL

53. PCV-456 "B" Pressurizer PORV Close 1/1-456FL

54. 1/1-8153 "B" RCS Excess Letdown Isol.

Valve Close 1/1-8153 FL

55. HV-2333A&B "A" Main Steam Isol. & By-Pass Valve Close HS-2333FL _

LI

56. HV-2334A&B "A" Main Steam Isol. & By-Pass Valve Close HS-2334FL 1

57. HV-2335A&B "A" Main Steam Isol. & By-

'nI

,t Pass Valve Close HS-2335FL -

58. HV-2336A&B "A" Main Steam Isol. & By-Pass Valve Close HS-2336FL

59. HV-4512 "A" CCW Isol. Valve Open None *

60. HV-4513 "B" CCW Isol. Valve Close None *

[i f

j

• Local Manipulation of Valve Required *

,E ** Monitor Lights on MLB-63 l *** Alternate Power (TR."A") Capability is Being Provided.

lI

- .~ __. . _, ._

l TABLE 1D INSTRUMENTATION AND CONTROL LOCATED ON HSP TRAIN "A" & "C" I ITEM NO. TAG NO. TRAIN FUNCTION / DESCRIPTION 1 HS-4250C "A" SSW Pump 01 - Local Control

] 2 HS-4518C "A" CCW Pump 01 - Local Control 3 HS-4286FL "A" SSW PMP 01 Disch. to Strainer Isol VLV 4 HS-4514FL "A" CCW HX to Non-Safety Loop 01 Control VLV 5 HS-4526FL "A" CCW HX Non-Safety Loop Isol. VLV 3

6 HS-4699FL "A" CCW to RC PPs Coolers Motor Operated Isolation VLV 1

)' 7 HS-4524FL "A" Non-Safety Loop Return to CCW HER Isol. VLV i 8 HS-4701FL "A" CCW from RCP Motor Air & Lube .

Oil Coolers Motor Operated Isol. VLV 9 HS-4393FL "A" Diesel Gen A Service WTR Isolation VLV 10 FK-121A "C" Pressurizer Level Control Valve (Charging Flow Control) 11 1/1-8149AL "A" Letdown Valve 8149A - Control 12 1/1-8149BL "A" Letdown Valve 8149B - Control h 13 1/1-8149CL "A" Letdown Valve 8149C - Control

$y I 14 SK-2452B "AA" Turbine-Driven AFW Pump - Speed Control I 15 SI-2452B "AA" Turbine-Driven AFW Pump - Speed Indication I

I I

l' TABLE ID (Continued)

ITEM NO. TAG NO. TRAIN FUNCTION / DESCRIPTION

(; 16 HS-2452C "A" Turbine-Driven AFW Pump - Local Control U 17 FK-2453C "A" Motor-Driven AFW Pump 01 to SG No. 1 Valve Control 18 FK-2453D "A" Motor-Driven AFW Pump 01 to SG No. 2 Valve Control 19 FK-2461B "A" Turbine-Driven AFW Pump to SG No. 3 Valve Control 20 HS-2333-FL "A" -

Main STM Loop 1 Isolation & Bypass VLV P

! 21 HS-2334-FL "A" Main STM Loop 2 Isolation & Bypass

, VLV 22 HS-2335-FL "A" Main STM Loop 3 Isolation & Bypass

,n VLV 23 HS-2336-FL "A" Main STM Loop 4 Isolation & Bypass VLV

~

24 FK-2462B "A" Turbine-Driven AFW Pump to Steam Generator 4 Valve Control 2 25 1/1-PCPRIL "AA" Pressurizer Heater Backup - Group A Control l

J 26 FI-121B "C" Charging Pump to CVCS Charging and f

RCP Seals - Flow l, 27 FI-132B "C" Letdown - Flow 28 1/1-TCV-129L "A" Letdown Divert Valve TCV-129 -

Control 29 HS-5405C "AA" Containment Recirculation Fan 01 Control Switch l0 30 TR-413F/423F "C" (2 Pen Recorder) Wide Range Reactor Coolant Temp. Hot Leg Loop 1 &

Loop 2 I

I

I-I TABLE 1D (Continued)

ITEM NO. TAG NO. TRAIN FUNCTION / DESCRIPTION 31 1/1-8701AF "A" RCS Hot Leg Loop 1 to RHR Pump 01 Inlet Isol. VLV Control Switch 32 1/1-8701BF "A" RCS Hot Leg Loop 4 to RHR Pump 02 Inlet Isol. VLV Control Switch 33 1/1-8801AF "A" ChRG PMP5 TO RCS S15' Isol.

VLV Control Switch 34 1/1-APRH1F "A" RHR Pump 01 Control Switch 35 HS-5413C "AA" Containment Recirculation Fan 03

- Control 36 FI-2463B "C" AFW to Steam Generator 1 - Flow 37 FI-2464B "C" AFW to Steam Generator 2 - Flow 38 FI-2465D "C" li AFW to Steam Generator 3 - Flow 39 FI-2466D "C" AFW to Steam Generator 4 - Flow J 40 PI-2477B "C"

& Turbine-Driven AFW Pump - Suction Pressure

, 41 PI-2455B "C" Turbine-Driven AFW Pump - Discharge (U Pressure 42 PI-2475B "C" Motor-Driven AFW Pump 01 - Suction L

Pressure I 43 "C" PI-2453B Motor-Driven AFW Pump 01 - Discharge Pressure 44 FI-4258B "C" SSW Pump 01 - Flow 45 HS-6700FL "A" Chilled Water Recire. PP 05 46 PI-4252B "C" SSW Pump 01 - Discharge Pressure i 47 V-1EAl-L "A" 6.9 kV Bus 1EA1 - Voltage

. 48 F-1EAl-L "C" 6.9 kV Bus 1EA1 - Frequency 1<

I I _ _ . _ . . .

i.

l TABLE 1D (Continued)

ITEM NO. TAG NO. TRAIN I 49 A-1EAl-1L "A" FUNCTION / DESCRIPTION 6.9KV Bus 1EA1 - Preferred Offsite Source - Amperes 50 A-1EG1-L "A" 6.9KV Bus 1EA1 - Onsite Source - Amperes 51 A-1EAl-2L "A" 6.9KV Bus 1EA1, Alternate 7 Offsite Source - Amperes 52 CS-1Eni-1L "A" 6.9KV Bus 1EA1, Preferred Offsite

[1

- Source Breaker-Control Switch 53 CS-1Eul-L "A" 6.9KV Bus 1EA1, Onsite Source 1

Breaker - Control Switch 54 - CS-1EAl-2L "A" 6.9KV Bus 1EA1, Alternate Offsite

, Source Breaker-Control Switch 55 CS/BT1EB13L "A" 480 V Switchgear Bus 1EB1 & IEB3 Bus Tie BKR No. BT-1EB13 Control Switch I

56 CS/1EB1-1L "A" 480 V Switchgear Bus 1EB1 Supply BKR No. 1EB1-1 Control Switch 57 CS/1EB3-1L "A" iI w

480 V Switchgear Bus 1EB3 Supply BKR No. 1EB3-1 Control Switch 58 CS/BTIEA1L "A" 6.9 kV Switchgear Bus 1EA1 Bus Tie BKR No. BT-1EA1 Control Switch 59 CS/TIEB1L "A" 6.9 kV Switchgear Bus 1EA1 Transfer

(

. TIEB1 Feeder BKR Control Switch

, 60 CS/TIEB3L "A" 6.9 kV Switchgear Bus 1EA1 Transfer I 61 LI-501A "C" TIEB3 Feeder BKR Control Switch Steam Generator 1 - Level 62 LI-502A "C" Steam Generator 2 - Level 63 PI-514B "C" Steam Generator 1 - Pressure 64 PI-524B "C" Steam Generator 2 - Pressure 65 LI-459B "C" I Pressurizer - Level

• I _

l-TABLE ID (Continued)

ITEM NO. TAG NO. TRAIN FUNCTION / DESCRIPTION 66 PI-455B "C" Pressurizer - Pressure 67 LI-2478B "C" Condensate Storage Tank - Level I 68 HS-2450C "A" Motor-Driven AFW Pump 01 - Local Control 69 1/1-APCHlL "A" Charging Pump 1 - Control 70 1/1-APBAIL "A" Il Boric Acid Transfer Pump 1 -

Control

m. 71 1/1-8106FL "A"

~l Charging Pump to RCS Isol. VLV Control Switch 72 HS-2456FL "A" Motor Driven Aux FW PP 01 Recire.

73 1/1-455AFL I 74 ZL-2475B "A"

"A" Pressurizer PORV Control Switch Aux FW PMP Suction h 75 ZL-2453C "A" m Mot Drvn AFW PMP 01 Disch to SG 1 Control VLV 76

)

Q I ZL-2461B "A" Turb Dr AFW PMP Disch to SG 3 Control VLV 77 ZL-2453D "A"

, Mot Drvu AFW PMP 01 Disch to SG 2 Control VLV 78 ZL-2462B "A" Turb Dr AFW PMP Disch to SG 4 Control VLV l . 79 TI-443 "C" W-RNG RCS Temp.

. 80 NI-31F "C" Source Range - Neutron PWR 81 1/1-8110FL "A" Charging PMPS Bypass VLV

!'I l

I e

I

}.

I TABLE 1E INSTRUMENTATION AND CONTROL LOCATED ON 3SP TRAIN "B" & "C" ITEM NO TAG NO. TRAIN FUNCTION /LZSCRIPTION .

1 1/1-APBA2L "B" Boric Acid Transfer Pump 2 Control 2 43/1-APBA2L "B" Boric Acid Transfer Pump 2 Local / Remote 3 HS-4251C "B" SSW Pump 2 - Local Control 4 HS-4519C "B" CCW Pump 2 - Local Control 5 HS-4519B "B"

, CCW Pump 2 - Local / Remote 6 HS-2452E "B" Turbine-Driven AFW Pump - Local Control 7 HS-2452D "B" Turbine-Driven AFW Pump - Local /

Remote 8 FK-2459B "B" Turbine-Driven AFW Pump To Steam Generator 1 - Valve Control 9 FK-2460B "B" Turbine-Driven AFW Pump To Steam I 10 FK-2454C "B" Generator 2 - Valve Control Motor-Driven AFW Pump 02 to Steam Generator 3-Valve Control 11 FK-2454D "B" Motor-Driven AFW Pump 02 to Steam Generator 4-Valve Control l1 12 1/1-PCPR2L "BB" Pressurizer Heater Backup -

Group B Control 13 43/1-PCPR2L "BB" Pressurizer Heater Backup -

Group B Local / Remote 14 FI-183B "C" Boric Acid Filter Recovery Line

- Flow 15 1/1-8104L "B" Emergency Boration Valve - Control I

e

?

=.g . * * * * * *

• i I

TABLE 1E (Continued)

ITEM NO TAG NO.

I 16 43/1-8104L TRAIN "B"

FUNCTION / DESCRIPTION Emergency Boration Valve Transfer -

Local / Remote c 17 TR-433F/443F "C" (2 Pen Recorder) Wide Range Reactor Coolant Temp. Hot Leg. Loop 3 &

Loop 4 18 HS-5409B "BB" Containment Recirculation Fan 02 -

Control 19 HS-5409C "BB"

- Containment Recirculation Fan 02 -

Local / Remote 20 HS-5417C "BB" Containment Recirculation Fan 04 -

Control 3 '

21 HS-5417B "BB" Containment Recirculation Fan 04 -

Local / Remote 22 FI-2463D "C" AFW to Steam Generator 1 - Flow

. 23 FI-2464D "C" AFW to Steam Generator 2 - Flow 24 FI-2465B "C" AFW to Steam Generator 3 - Flow 25 FI-2466B "C" AFW to Steam Generator 4 - Flow

(' 26 PI-2476B "C" Motor-Driven AFW Pump 02 - Suction Pressure 27 PI-2454B "C" Motor-Driven AFW Pump 02 - Discharg Pressure

' @u 8 2L-455CF "C" PRZR Spray VLV Position Indicator

, 29 ZL-455BF "C" PRZR Spray VLV Position Indicator 30 HS-5180F "C" STM Generator Blow Down Drains 31 43/1-456FT "B" Pressurizer PORV Trans Sw p 32 1/1-456FL "B" Pressurizer PORV Control Sw 33 ZL-PCPX1F "C" RCP No. 1 Running Light 34 ZL-PCPX2F "C" I RCP No. 2 Running Light

• i i .

TABLE 1E (Continued)

ITEM NO TAG NO. TRAIN FUNCTION / DESCRIPTION ,

35 ZL-PCPX3F "C" RCP No. 3 Running Light 36 ZL-PCPX4F "C" RCP No. 4 Running Light 37 MLB-63 "C" (Monitor Light Box) 38 FI-4259B "C" SSW Pump 2 - Flow 39 PI-4253B "C" SSW Pump 2 - Discharge Pressure 40 V-1EA2-L "B" 6.9 kV Bus 1EA2, Voltage 1 41 F-1EA2-L "B" 6.9KV Bus 1EA2, Frequency 42 A-1EA2-2L "B" E 6.9KV Bus 1EA2, Alternate Offsite Source - Amperes 43 A-1EG2-L "B" 6.9KV Bus 1EA2, Onsite Source-J Amperes 44 A-1EA2-1L "B" 6.9KV Bus 1EA2, Preferred Offsite Source-Amperes

~-

45 CS-1EA2-2L "B" 6.9KV Bus 1EA2, Alternate

>I Offsite Source Breaker-C Control Switch E 46 CS-1EG2-L "B"

'g 6.9KV Bus 1EA2 Onsite Source i Breaker-Control Switch 47 CS-1EA2-1L "B" 6.9KV Bus 1EA2, Preferred Offsite Source Breaker-Control Switch I 48 43-1EA2-2 "B" 6.9KV Bus 1EA2, Alternate Offsite Source Breaker-Selector Switch 49 43-1EG2 "B" 6.9KV Bus 1EA2, Onsite Source Breaker - Selector Switch 50 43-1EA2-1 "B" 6.9KV Bus 1EA2, Preferred Offsite Source Breaker -

Selector Switch .

I.

TABLE 1E (Continued)

ITEM NO TAG NO. TRAIN FUNCTION / DESCRIPTION I- 51 LI-503A "C" Steam Generator 3 - Level 52 LI-504A "C" Steam Generator 4 - Level 53 PI-534B "C" Steam Generator 3 - Pressure u 54 PI-544B "C" Steam Generator 4 - Pressure 55 LI-460B "C" Pressurizer - Level 56 LI-2479B "C" Condensate Storage Tank - Level I 57 HS-2451C "B" -

Motor-Driven AFW Pump 02 -

Control Switch 58 HS-2451B "B" Motor-Driven AFW Pump 02 - Local /

Remote 59 1/1-APCH2L "B" Charging Pump 2 - Control

.s 60 43/1-APCH2L "B" Charging Pump 2 - Local / Remote

= 61 NI-32F "C" Source Range - Neutron Pwr I

62 HS-4251B "B" SSW Pump 2 - Local / Remote I!

L 63 ZL-2476B "B" Aux FW PMP Suction Pressure r 64 ZL-2454C "B" Mot Drvn AFW PMP O2 Disch to J

SG 3 Contr VLV

, 65 ZL-2454D "B" Mot Drvn AFW PMP 02 Disch to i

SG 4 Contr VLV 66 a

I ZL-2459B "B" Turb Dr AFW PMP Disch to SG 1 Contr VLV

, 67 ZL-2460B "B" Turb Dr AFW PMP Disch to SG 2 i Contr VLV l3 I

~

l

i:

I TABLE 1E (Continued)

ITEM NO TAG NO.. TRAIN FUNCTION / DESCRIPTION

!- 68 43/1-8153FT "B" RCS Excess Letdn. Trans Switch ,

69 1/1-8153FL "B" RCS Excess Letdn. Control Switch 70 HC-2325 "C" Steam Generator 1-Porv L 71 HC-2326 "C" Steam Generator 2-Porv 72 HC-2327 "C" Steam Generator 3-Porv 73 HC-2328 "C" Steam Generator 4-Porv 74 HC-606 "C" RHR Disch. Control Valve 75.

g HC-618 "C" RHR Min. Flow valve

-)

76 HC-455C "C" PRZR Spray Valve I

o .- +

h 1

I 1

i

\ .

t I

TABLE 2A PROCEDURE TO BE FOLLOWED FOR FIRE AT HSP

.(Only Train "A" Equipment Required)

OPERATOR'S WORK STATION PROCEDURES CR 1. Trip the Reactor & Turbine / Generator CR 2. Start p CR A. Diesel Gen. "A" & Auxiliaries A.1 CS/IDG 1E, CS/IDG IN, HS-3375A(F.0)

Transfer Pump No. 1

} CR A.2 CCW PP No. 01 HS-4518A CR A.3 SW PP No. 01 HS-4250A CR A.4 Chilled Water Recirculation PP No. 01 HS-6700 CR B. Charging PP No. APCH1 1/1-APCH1 CR B.1 Boric Acid Transfer PP

.I No. APBAl 1/1-APBAl CR C. Aux. Feedwater PP #01 HS-2450A

~

CR D. Emergency Fan Room Coolers such as CR D.1 Diesel Generator "A" Room Fans HS-5691 A, B, C, D, &E CR D.2 Electrical Area Train "A" t n Emergency Fans El-810'-O" l HS-5684B (SE-17) HS-5684A (SE-18)

!gE CR D.3 CCW Pump Emergency Fan j HS-5800 (SE-09)

CR D.4 Aux. Feedwater PP Emergency Fan HS-5676A (SE-07)

I . .

c I

I TABLE 2A (Continued)

WORK STATION PROCEDURES CR D.5 Charging PP Emergency Fan HS-5802 (SE-03)

CR If D.6 RHR PP Emergency Fan (CSD)

HS-5668A (SE-01)

CR E.

's RHR PP #01 (Cold Shutdown) 1/1APRH1 Stop During HSB & HSD)

CR A fire at the HSP will not spuriously mispo-tion Train "B" valves. Motor Operated Valves

' will fail "as is" and position indication will be lost since power supply is presumed not available. Process indication correspond-ing to valve "open" or "close" is shown on t Table 2B.

1 g l LI 1

4-I I

h 4

I I

Ii I

TABLE 2B VALVES REQUIRED FOR SHUTDOWN (HSP FIRE)

I VALVES REQUIRED CR INDICATION TRAIN DESCRIPTION POSITION '

O_R CONTROL

1. HV-2491B "B" AFW to STM GEN No. 1 Open HS-2491

2. HV-2492B "B" AFW to STM GEN No. 2 Open HS-2492 3 3. PV-2453A "A" Aux. Feedwater Press Control Open FK-2453A

,, 4. PV-2453B "A" Aux. Feedwater Press Control Open FK-2453B

-> 5. HV-4393 "A" SW to Diesel GEN. "A" Open HS-4393

6. 1/1-8351A "B" Seal Inj. Inlet RCP No. 1 Open FI-145*

7. 1/1-8351B "B" Seal Inj. Inlet RCP No. 2 Open FI-144*

8. 1/1-8351C "B" Seal Inj. Inlet RCP No. 3 open FI-143

9. 1/1-8351D "B" Seal Inj. Inlet RCP No. 4 Open FI-142

(,'

10.

1/1-8110 "A" Chhrging PPS Min.

Recir. Valve Open 1/1-8110 f~

11. 1/1-8111 "B" Charging PPS Min REC RC.

Valve Open None*

l

12. 1/1-8801A "A" Boron Inj. Isol. Valve Close 1/1-8801A

13. 1/1-8801B "B" Boron Inj. Isol. Valve Close None*

ie 14. 1/1-8104 "

B" Charging PPS Inlet Control Valve Open FI-183*

r 15. 1/1-8106 "A" Charg PPS Disch to

.I '.

CVCS Isol. Valve Close 1/1-8106

16. FCV-110A "C" Charging PPS Inlet Valve Close 1/1-FCV-110A .

• Local Manipulation of Valve Required

( - .s ga*-q w e y,we - gw - g <=v ,Fe =

i~

6 TABLE 2B (Continued)

,I VALVES TRAIN DESCRIPTION REQUIRED POSITION CR INDIC,ATION

.O._R_CONTROL

17. FCV-121 "C" Pressurizer Level 4 I Control Open FK-121 I '

18. HV-4515 "B" CCW Train "B" Isol.

Valve Close None

19. HV-4525 "B" CCW Flow From Non Safe-i Guards Loop Open FI-4536A, 4675-4677, 468 p 4689, 4683-i 4685,4679-4681

20. HV-4527 "B" CCW Flow to Non Safe-Guards Loop Open FI-4536A, 4675-4677, 468

. 4689, 4683-t 4685,4679-4681

21. HV-4700 "B" CCW Flow Inlet Header to RCP Open FI-4536A, E 4675-4677, 468 3 4689, 4683-

_ 4685,4679-4681

22. HV-4708 "B" CCW Flow Return Header lb from RCP Coolers Open FI-4536A, 4675-4677, 468 4689, 4683-4685,4679-4681

[ 23. HV-4514 "A" CCW Train "A" Isol.

Valve Open HS-4514 l 24. HV-4524 "A" CCW Flow to Non Safeguard Loop Open HS-4524

25. HV-4526 "A" CCW Flow to Non Safeguard Loop Open HS-4526

26. HV-4699 "A" CCW Inlet Flow tc RCP e

1 Coolers Open HS-4699 1 ,.

• Local Manipulation of Valve Required

i

}f I l l

TABLE 2B (Continued) l REQUIRED CR INDICATION VALVES TRAIN DESCRIPTION POSITION O_R CONTROL HV-4701 "A" I

27. CCW Return Flow From RCP Coolers Open HS-4701

28. HV-4286 "A" SW Disch. Isol. Valve Open HS-4286

29. 1/1-8702A "B" RHR Suction Isol. Valve None (HSD, HSB) Close 1/1-8701A (TR"A" Close)

(CSD) Open None p 1/1-8701A

' (TR"A" Open) or FI-618

30. 1/1-8702B "B" RHR Suction Isol. Valve None (HSD, HSB) Close 1/1-8701B (TR"A")

(CSD) Close None 1/1-8701B (TR"A" Close J.

or FI-619)

31. 1/1-8701A "A" RHR Inlet Isol. Valve

" (HSD) Close 1/1-8701A (CSD) Open

32. 1/1-8701B "A" RHR Inlet Isol. Valve (HSD) Close 1/1-8701B (CSD) Close 1/1-8701B l' 33. HCV-?O6 "C" RHR Disch Control Valve Open HC-606

34. FCV-618 "C" RHR HX Bypass Flow Close FK-618

35. FCV-610 "A" RHR Min. Flow Valve Close 1/1-FCV-610 "A"

36. 1/1-8809A RHR Disch Isol. Valve (CSD) Open 1/1-8809A

'E 37. 1/1-8716A "A" RHR Cross Connect Close 1/1-8716A q

) Jg 38. 1/1-8812A "A" RHR Suction Cross l Connect Valve Close 1/1-8812A

• Local Manipulation of Valve Required I

I' TABLE 2B (Continued) i l REQUIRED CR INDICATION 3 VALVES TRAIN DESCRIPTION POSITION OR CONTROL 1.

E 39. 1/1-8808A "A" SI Accumulator Tank Isolation Valve (CSD) Close 1/1-8808A

40. 1/1-8808B "B" SI Accumulator Tank I Isolation Valve (CSD) Close None-Manual By Jumpering

@ MCC I 41. 1/1-8808C "A" SI Accumulator Tank Isolation Valve (CSD) Close 1/1-8808C

42. 1/1-8808D "B" SI Accumulator Tank None-Manual Isolation Valve (CSD) Close By Jumpering

@ MCC

43. PV-2325 "A" SG No. 1 PORV Close PK-2325

44. PV-2327 "A" SG No. 3 PORV Close PK-2327 bJ

45. PV-2326 "B" SG No. 2 PORV Close PK-2326

46. PV-2328 "B" SG No. 4 PORV Close PK-2328

47. PV-5180 "C" SG Blowdown Drains Close PK-5180

48. HV-4395 "A" SW to Aux Feedwater PP Close HS-4395 i 49. 1/1-8149A "A" Letdown Isol. Valve Close 1/1-8149A

50. 1/1-8149B "A" Letdown Isol. Valve Close 1/1-8149B

51. 1/1-8149C "A" Letdown Isol. Valve Close 1/1-8149C

52. PCV-455A "A" Pressurizer PORV Close 1/1-455A

53. PCV-456 "B" Pressurizer PORV Close 1/1-456

54. HV-2333A&B "A" Main Steam Isol. &

Bypass Valve Close HS-2333A l

55. HV-2334A&B "A" Main Steam Isol. &

Bypass Valve Close HS-2334A l

• Local Manipulation of valve Required

.l TABLE 2B (Continued)

REQUIRED CR INDICATION VALVES TRAIN DESCRIPTION POSITION OR CONTROL

56. HV-2335A&B "A" Main Steam Isol. &

Bypass Valve Close HS-2335A

57. HV-2336A&B "A" Main Steam Isol. &

Bypass Valve Close HS-2336A

58. HV-4512 "A" CCW Isol. Valve Open HS-4512

59. HV-4513 "B" CCW Isol. Valve Close None*

C 60. HV-8154 "B" RCS Excess Letdown Close 1/1-8154 I

• Local Manipulation of Valve Required I

l F

I I

a

'I I

1 _. . . .

l TABLE 3A PROCEDURE TO BE FOLLOWED FOR FIRE AT STP

.(Only Train "B" Equipment Required)

I OPERATOR'S WORK STATION PROCEDURES B CR 1. Trip the Reactor & Turbine / Generator CR 2. Start q CR A. Diesel Gen. "B" and Auxiliaries A.1 CS/1DG2E, CS/1DG2N, HS-3377A (F.0)

Transfer Pump No. 1 CR A.2 CCW PP No. 02 HS-4519A CR A.3 SW PP No. 02 HS-4251A CR A.4 Chilled Water Recirculation PP No. 6701 HS-6701 I CR B. Charging PP No. APCH2 1/1-APBA2 Boric Acid Transfer PP No. APBA2 1/1-APBA2

, CR C. Aux. Feedwater PP No. 02 HS-2451A i

. .E CR D. Emergency Fan Room Coolers such as:

CR D.1 Diesel Generator "B" II Room Coolers HS-5695 A, B, C, D, &E CR D.2 Electrical Area Train "B" Emergency Fans El-852'-O"

' HS-5686A1(SE-16) HS-5686B1 (SE-15)

CR D.3 CCW Pump Emergency Fan HS-5801 (SE-10)

CR D.4 Aux. Feedwater PP Emergency Fan HS-5678A (SE-08) ,

I' I

I.

TABLE 3A (Continued)

WORK STATION PROCEDURES L.

I CR D.5 Charging PP Emergency Fan HS-5803 (SE-04)

I CR E. RHR PP No. 01 (Cold Shutdown) 1/1-APRH-2 (Stop during HSB and HSD)

CR 4. While the above equipment is started, I'

other operators trip the power circuit breakers at the MCC for all Train "A" motor-operated valves in flow line of safe shutdown systems to preclude spurious signals from mispositioning these valves.

CR 5. Verify position of Train "A" valves using process indication available in the control room. See Table 3B.

99 e

4 4

f l

l

?

$l

(

1 l -

l' I

TABLE 3B VALVES REQUIRED FOR SHUTDOWN (STP FIRE)

I t.

Required CR Indication Valves Train Description Position & Controls *

1. HV-2493-A "A" AFW to Steam Open HS-2493-A Gen No. 3

2. HV-2494-A "A" AFW to Steam Open HS-2494-A Gen No. 4

3. PV-2454A "B" Aux Feedwater Open FK-2454A

- Press Control SG No. 3

4. PV-2454B "B" Aux. Feedwater Open FK-2453 Press Control

5. HV-4394 "B" Sw Diesel Gen. "

B" Open HS-4394

6. 1/1-8351A "B"

~

I Seal Inj. Inlet RCP No. 1 Open 1/1-8351A

7. 1/1-8351B "B" Seal Inj. Inlet Open 1/1-8351B RCP No. 2

'=-

8. 1/1-8351C "B" Seal Inj. Inlet Open 1/1-8351C RCP No. 3

9. 1/1-8351D "B" Seal Inj. Inlet Open 1/1-8351D RCP No. 4

10. 1/1-8110 "A" Charge PPS Min. Open None*

Recire. Valves

11. 1/1-8111 "B" Charging PPS Open 1/1-8111 Min. Recire. Valve

12. 1/1-8801A "A" Boron Inj. Isol. Close None*

l3- Valve

13. 1/1-8801B "B" Boron Inj. Isol. Close 1/1-8801B Valve l

• Local manipulation of valve required.

v mme - - -

l' Table 3B (Continued)

Required CR Indication Valves . Train Description Position & Controls L 14. 1/1-8104 "B" Charging PPS Inlet Open 1/1-8104 Control Valve U 15. 1/1-8105 "B" Charg PPS Disch to Close 1/1-8105 CVCS Isol. Valve L 16. FCV-110A "C" Charging PPS Inlet Close 1/1FCV-110A Valve

17. FCV-121 "A" Pressurizer Level Open None (Open Control ICS-8387B)

18. HV-4515 "B" CCW Train "B" Isol. Close HS-4515 (8387B)

Valve

19. HV-4525 "B" CCW Flow from Non- Open FI-4536A,4675-

, Safeguard Loop 4677, 4687-4689, l

4683- 4685, 4679-4681 or

,, HS4525

20. HV-4527 "B" CCW Flow to Non- Open FI-4536A, 4675-

.I Safeguard Loop 4677, 4687- 4689, 4683-4685, 4679-4681 or HS4527 5 21. HV-4700 "B" CCW Flow Inlet Open FI-4536A, 4675-Header to RCP 4677, 4687- 4689, 4683-4685, 4679-4681 or HS4700

,,g 22. HV-4708 "B" CCW Flow Return Open FI-4536A, 4675-3 Header from RCF 4677, 4687- 4689, Coolers 4683-4685, 4679-4681 or HS4708 I 23. HV-4514 "A" SW to Diesel Gen. Open None*

"A"

24. HV-4524 "A" CCW Flow to Non Open None*

Safe Loop

• Local manipulation of valve required.

l:

Table 3B (Continued)

(+ Required CR Indication Valves Train Description Position & Controls 1-

25. HV-4526 "A" CCW Flow to Open None*

Ncn-Safe Loop i 26. HV-4699 "A" CCW Inlet Flow to RCP Coolers Open None*

I 27. HV-4701 "A" CCW Return Flow From RCP Coolers Open None*

I 28. HV-4287 "B" SW Disch. Isol.

Valve Open HS-4287

29. 1/1-8702A "B" RHR Suction Isol.

Valve (HSD, HSB) Close 1/1-8702A (TR"B")

CSD) Close 1/1-8702A

30. 1/1-8702B "B" RHR Suction Isol.

(HSD,MSB) Close 1/1-8702B (CSD) Open 1/1-8702B

31. 1/1-8701A "A" RHR Inlet Isol. (HSD) Close None-1/1-8702A l~'

1 Valve (TR"B")

l (CSD) Close None-1/1-8702A (TR"B")

' 32. 1/1-8701B "A" RHR Inlet Isol. (HSD) Close None Valve (CSD) Open 1/1-8702B(TR.B)

{ None*

j 33. HCV-607 "C" RHR Disch Control Open HC-607 EE Valve t.

i 34. FCV-619 "C" RHR HX Bypass Flow Close FK-619

35. FCV-611 "B" RHR Min. Flow Valve Close 1/1-FCV-611 i

36. 1/1-8809B "B" RHR Disch Iso. (CSD) Open 1/1-8809B Valve

37. 1/1-8716B "B" RHR Cross Connect Close 1/1-8716B m

38. 1/1-8812A "A" RHR Suction Cross- Close 1/1-8812A l,

connect l

• Local manipulation of valve required.

I l.

l

Table 3B (Continued)

I Valves Train Description Required Position CR Indication

& Controls

39. 1/1-8808A "A" SI Accumulator (CSD) Close None-Manual By Tank Isolation Valve Jumpering @ MCC I

40. 1/1-8808B "B" SI Accumulator (CSD) Close 1/1-8808B Tank Isolation Valve l 41. 1/1-8808C "A" SI Accumulator (CSD) Close None-Manual By L

I 42. 1/1-8808D "B" Tank Isolation Valve SI Accumulator (CSD) Close Jumpering @ MCC 1/1-8808D Tank Isolation Valve

43. PV-2325 "A" SG No. 1 PORV Close PK-2325

44. PV-2327 "A" SG No. 3 PORV Close PK-2327

45. PV-2326 "B" SG No. 2 PORV Close PK-2326

46. PV-2328 "B" 'SG No. 4 PORV Close PK-2328

47. PV-5180 "C" SG Blowdown Drains Close PK-5180

48. HV- 4396 "B" SW to Aux Feedwater Close HS-4396

49. 1/1-8152 "B" L tdown Isol Valve Close 1/1-8152 7

50. PCV-455A "A" Pressurizer PORV Close 1/1-455A

51. PCV-456 "B" Pressurizer PORV Close 1/1-456

52. HV-2333A&B Main Steam Isol & Close HS-2333A Bypass Valves (Two Train SW)

53. HV-2334A&B "B" Main Steam Isol. & Close HS-2334A

[I d

Bypass Valve

54. HV-2335A&B "B" Main Steam Isol. & Close HS-2335A

} Bypass Valve

55. HV-2336A&B "B" Main Steam Isol. & Close HS-2336A Bypass Valve

56. HV-4512 "A" CCW Isol. Valve Close None* .

• Local manipulation of valve required.

I

I Table 3B (Continued)

I

" Required CR Indication Valves Train Description Position & Controls I

57. HV-4513 "B" CCW Isol. Valve Open HS-4513

58. 1/1-8154 "B" RCS Excess Letdown Close 1/1-8154 I

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I TABLE 4 HIGH PRESSURE / LOW PRESSURE INTERFACES Item H.P. L.P. Valves In Flowpath I Pressurizer Relief (PORVs) 2235 3 1PCV-455A, 1PCV-456 RCS Letdown 2200 510 1 LCV-459, 1-8149 A,B,C

,I to Regen. HX RCS Excess Letdown 2200 40 1-8154, 1-8153, 1HCV-123 i, thru Excess Letdown HX to RCDT

' l1 RCS to RHR 2235 -400 1-8701A,B; 1-8702 A,B n

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1 TABLE 5 ALTERNATE SHUTDOWN ANNUNCIATORS TAG NO. DESCRIPTION ANN. BOX / POINT ZA-8701AF RHR Loop 1 Isol.

Valve ALB-4B/3.5 ZA-8701BF RHR Loop 2 Isol.

Valve ALB-4B/4.5 ZA-STP-1 Shutdown Transfer Panel Door Open ALB-6C/4.1 ZA-STP-2 Shutdown Transfer ALB-6C/4.2 Panel Local Override ZA-HSP-A Hot Shutdown Panel ALB-6C/4.3 Local Override ZA-HSP-DAB Hot Shutdown Panel Door Open ALB-6C/4.4 ZA-S691 Diesel Generator ALB-llB/3.18

- Fans Local Override u

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I TABLE 6 JUNCTION BOXES AND LOCATIONS I

The following valves are equipped with Junction Bones for manually disconnecting CR Circuitry and Connect Local Control at the HSP.

VALVES JUNCTION BOX / LOCATION X Y Z PV-2325, 2327 JB IS 1053 / Safeguard 859 4903 4852 Bldg.

JB IS 1277/ Safeguard 856 4903 4852 1 Bldg.

JB IS 1238/ Safeguard 837 4923 4780 7 Bldg.

PV-2326, 2328 JB IS 1051G/ Safeguard 859 4883 4896 Bldg.

P

JB IS 1276/ Safeguard 856 4883 489C Bldg.

JB IS 1237/ Safeguard 837 4923 4776 T Bldg.

= FCV-618

~ JB IS 942/ Safeguard 857 4923 4778 PCV-455C HCV-606

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I 4.0 DETAILED ANALYSIS OF SHUTDOWN LOGIC SKETCH (XB-2323-1800)

Sketch I

XB-2323-1800, Attachment No. 1, Sheets 1 through 15, defines the logic paths required to achieve hot standby, hot shutdown and cold shutdown for CPSES Unit 1 or 2. The downstream side of a control condition symbol I is marked with a small x to show the required logic paths. Adjacent to the control condition are boxed revision numbers which correspond to the paragraph I numbers in the column titled " Revisions" in the boxed section beginning with paragraph 4.1.1.

$ Tabulated below are the vital compenents and safe E shutdown systems that are lost in a postulated design basis CR fire as shown by cross-hatched areas on the F ~

shutdown logic sketches. Paragraphs listed under "Section" discuss revisions required to regain control of circuits lost.

9 i

SYSTEMS & EQUIPMENT REQUIRED FOR HOT STANDBY (HSB)

[ System Shutdown Logic Sketch Section Reactor Trip XB-2323-1800. Sh. 4 4.1.1 Steam Gen. Press Control XB-2323-1800. Sh. 10 4.1.2 Steam Gen. Inven-tory Control XB-2323-1800. Sh. 9A 4.1.3 d RCP Seal & Cooling

, Integrity XB-2323-1800. Sh. 8 4.1.4 lv RCS Inventory Control XB-2323-1800. Sh. 6 4.1.5 RCP Tripped XB-2323-1800. Sh. 1 4.1.6 RCS Press Control XB-2323-1800. Sh. 5 4.1.7 RCP's Running XB-2323-1800. Sh. 1 4.1.8 I ~

I .

SYSTEMS & EQUIPMENT REQUIRED FOR HOT SHUTDOWN (HSD)

System Shutdown Logic Sketch Section SG Inventory Control XB-2323-1800. Sh. 9A 4.2.1 Reactivity Control XB-2323-1800. Sh. 7 I RCS Press Control XB-2323-1800. Sh. 5 4.2.2 4.2.3 5

RCS Inventory XB-2323-1800. Sh. 6 4.2.4 Control RCS Seal Integrity XB-2323-1800. Sh. 8 4.2.5 ry SG Press Control XB-2323-1,800. Sh. 10 4.2.6 I . SYSTEMS & EQUIPMENT REQUIRED FOR COLD SHUTDOWN (CSD)

System Shutdown Logic Sketch Section

't Misc. Control XB-2323-1800 Sh. 3A & 3B 4.3 Systems Component Cooling XB-2323-1800 Sh. 11A & B 4.4 Water System I Service Water XB-2323-1800 Sh. 13A 4.5 System

• Chilled Water XB-2323-1800 Sh. 13 4.6 System Diesel Gen. Aux. XB-2323-1800 Sh. 14 4.7 i,

AC Power XB-2323-1800 Sh. 15A 4.8 Availability ISB

• 15C 1 -,

I a

El 3

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I 4.1 HOT STANDBY (HSB) ANALYSIS 4.1.1 Reactor Trip (XB-2323-1800, Sh. 4)

I Flow Diagram Channel and ICD No. Revisions Case / Train **

1.* Local operation at the switchgear.

W In this analysis, it is assumed that if a design basis

'I 3

fire occurs in the CR, CSR or HSP the

' ~

operator trips the reactor at the CR or locally at the switchgear.

4.1.2 Steam Generator Pressure Control (XB-2323-1800 Sh. 10) 2323-M1-0202 514F 1. Add new press trans- 1 8758D39 524F mitters at steam gen- "C" e Sh 13 erators 1 and 2 2323-M1-0202 2325 2. These valves are af-2323-M1-2202-01 2326 fected by a CSR or CR 2327 fire. To prevent spur-I 2328 ious signal opening these valves, following junction boxes provided with switches to dis- "

'I Connect control room controllers and connect local controllers at the HSP See Table 1E & 6 Valves PV-2325 "A" l PV-2327 PV-2326 "B" PV-2328 i

l k

I

\ .. _. ..

I.

2323-M1-0202 2324 3. Provide SEl-Switch for 3 2323-M1-2202-02 2334 each set of main & "A" 2323-M1-2202-10 2335 bypass isolation valves 4

I 2336 at the STP and control switch at the HSP.

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These numbers correspond to boxed numbers on logic diagrams, .

Attachment 1.

See Attachments 2 to 7. Number: Case; Letter: Train l

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e I 4.1.3 Steam Generator Inventory Control (XB-2323-1800 Sh. 9A) 1- Flow Diagram Channel and ICD No. Revisions Case / Train **

2323-MI-0206 2450 1. Move HS-2450 B from the 4 2323-M1-2206-01 HSP to STP "A" 2323-M1-0206 2453 2. PT-2453 required to "A" 2323-M1-2206-03 avoid pump runout cau-sed by depressurized SG; required steam line/ feed line break. Protection against steam /feedline breaks not considered for alternate shutdown.

HSP loading station for AFW flow made indepen-44 dent of control room power supplies.

2323-M1-0206 2456 3. For valve FV 2456 pro- 3 2323-M1-2206-03 vided a sel. switch at "A" STP and local control switch at HSP.

I 2323-M1-0202 W 8758D39 501 502

4. Provide additional wide-range level trans-1 "C"

f Sh 34 mitter at steam genera-tors.

" 2323-M1-0206 2478 5. Local level indicator 1 l

2323-M1-2206-07 L1-2479 available at "C" l -

storage tank. New level

'g transmitter added to in-dicate at HSP using exist-I ing indicator. Preferable to using existing local indicator.

l 2323-M1-0239 5180 6. Provide PV-5180 on Steam "C" l 2323-M1-2239-01 Generator Blowdowns Sys-l tem with control switch

, and solenoid valve.

l- 2323-M1-0206 2491 7. These Train "B" valves 3 .

2323-M1-2206-10 2492 covered by Case 3. "B" l

l

. ~ _ . . . . . . _ _ _ _

4.1.3 (Continued)

I Flow Diagram Channel 1

and ICD No. Revisions Case / Train ** 7 1

2323-M1-0302 5676 8. Existing local fan cool- "A" 2323-M1-2302-06 er control modified to be independent of CR circuitry. Selector and control switches located r locally at the Mfr.

1 -supplied control panel.

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. 4.1.4 Reactor Coolant Pump Seal Integrity (XB-2323-1800 Sh. 8)

Flow Diagram Channel

'd and ICD No. Revisions Case / Train **

The RCP seal integrity met by use of B.A.

transfer PP, centrif-ugal charging PP and valve line up in the flow path.

L' 2323-M1-0253 8351A 1. A. RCP seal inlet iso- 3 E 2323-M1-2253-16 "B" lation valves 1/8351 "B" J "C" D

A,B,C. & D are Train "B" valves covered by Case 3.

2323-M1-2253-03 145 B. Indicators located in "C"

p. 144 CR, can be used du-1 -

143 142 ring STP or HSP fire to indicate closed RCP seal inlet isola-tion valves. Edge wise flow meters also 1.- provided locally.

2323-M1-0250 PCPX1 C. RCP & Spray valves "C"

'r. 2323-M1-2250-OS PCPX2 provided with run-i*

~

PCPX3 ning and position in-PCPX4 dication lights at r 2323-M1-0251 PCV-455B HSP. If pumps are run-z 2323-M1-2251-03A PCV-455C ning and corresponding spray valves are open, the RCPs are tripped at the switchgear.

I II I '

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4.1.5 RCS Inventory Control (XB-2323-1800, Sh. 6)

Flow Diagram Channel and ICD No. Revisions

. Case / Train **

2323-M1-0251 459F 1. Add new level trans- 1 2323-M1-2251-04 mitter at the pressur- "C" izer (459F) 2323-M1-0253 8149A 2. For valves 8149A, thru 4 2323-M1-2253-13 8149B C, move Sel. switch "A" e- 8149C from HSP to STP.

2323-M1-0261 8801A 3. For valves 8801A and 3 p 2323-M1-2261-01 8801B 8801B, see Case No. 3 "A" 2323-M1-0255 APCHIL 4. Move Sel. SW 43/1 4 r 2323-M1-2255-01 APCHIL from the HSP to STP.

"A" 2323-M1-0255 121 5. Add Sel. SW. at STP 2a 2323-M1-2255-12 for Local / Remote Con- "C" trol. ICS 8387A manual valve can be used during STP Fire if FCV 121 closed.

' 2323-M1-0303 5802 6. Existing local fan 2323-M1-2303-06 cooler control modi-fied to be independent

of CR circuitry.

2323-M1-0255 7. For valve 8106 (Tr"A")1 3 2323-M1-2255-18 8106 added Sel. switch at "A" the STP, and control switch at the HSP l 2323-M1-0255 8110 8. For 8110 (Train "A") 3 2323-M1-2255-19 8111 added Sel. switch at "A" the STP and a local "B" control switch at the HSP For 8111 (Train "B")

add a monitor light at l*l the HSP (Open Positioni l

2323-M1-0253 8153 9. Add selector & con- 3

'a 2323-M1-2253-14 trol switch at the "B" HSP .

~

4 a -- --** * * -- .mm.4 . , , , . . . . . , , . - , _

l.

I 4.1.6 Reactor Coolant Pump Tripped (XB-2323-1800, Sh. 1) l I

Flow Diagram Channel Revisions

.. Case / Train In the event of CR or CSR fire, '

! offsite power may not be lost.

RCPs are powered from offsite source and, if available, hot I standby forced cooling is pos-sible. However, a fire in these locations could result in loss I of all protective relaying associated with the RCP and auxiliary systems needed to hs keep the RCPs running. Hot 3 standby natural circulation in-troduces simplifications of control design as concluded in discussion with Westinghouse.

Depending on the severity of the accident, the operator has option to select either forced or natural circulation. The design was revised to have:

A. RCP running light at the a HSP -

B. Ammeter at the switchgear (for local operation)

I 4.1.7 j',Q "

Reactor Coolant System Press.

aSheet-5)

Control.-(XB-2323-1800, lv , ,

Flow Diagram Channel and ICD No. Revisions Case / Train I 2323-M1-0251 8758 D 39 Sh. 12 455F 1. Add 1 uide range (0-3000 psig) pressure transmitter at the 1

pressurizer and use exist-ing pressure indicator 455 at the HSP. This covers q HSB, HSD to CSD RCS pres-sure.

2323-M1-0251 PCPRlL 2. Move selector switch of 4 7247 DOS Sh. 12 group A heaters 43/1-PCPRIL .

from the HSP to STP.

J

f.

I 2323-M1-0251 456 3. To avoid LOCA caused by 3 2323-M1-2251-03 455A I

o spurious closing & opening of PORV's (456 & 455A) during a CR Fire, PORV "A"

PCV 455A is provided with a Sel. SW at STP and a y

control switch at HSP.

For valve PCV-456 same "B" with PCV 455A except that Sel. & control switches are located at HSP.

4.1.8 Reactor Coolant Pump Running (XB-2323-1800, Sh. 1)

Refer to 4.1.6.

4.2 Hot Shutdown (HSD) Analysis 4.2.1 Steam Gen. Inventory Control (XB-2323-1800, Sh. 9A)

Same as 4.1.3.

4.2.2 Reactivity Control (XB-2323-1800, Sh. 7) 4.2.3 RCS Pressure Control (XB-2323-1800 Sh. 5)

Same as 4.1.7 l

i 4.2.4 RCS Invento'ry Control (XB-2323-1800 Sh. 6) ., ...

Same as 4.1.5

'{

i- 4.2.5 RCS Seal Integrity (XB-2323-1800 Sh. 8)

Same as 4.1.4 4.2.6 SG Pressure

'1 Control (XB-2323-1800 Sh. 10) i Same as 4.1.2 I Flow Diagram and ICD Channel No. Revisions Case / Train l'

I l~

I 2323-M1-0255 8104 1. Motor operated valve 3 2323-M1-2255-16 I

t.

1/1-8104 is powered from Train "B" bus. This valve using the handwheel. Indi-

"B" cating light added at HSP.

I 2323-M1-0255 2323-M1-2255-03 (8444) 110 2. To block flow path via FCV-110A, if power is lost "C"

and instrument air is not available, close manual valve ICS-8444.

I 2323-M1-0257 2323-M1-225% G1 APBAIL 3. For boric acid transfer pump Train "A" only, relo-4 "A"

cate selector switch from HSP to STP.

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4.3 COLD SHUTDOWN (CSD) ANALYSIS SH. 3A AND 3B Fldw Diagram Channel and ICD No. Revisions

1. Case / Train 2323-M1-0251 PCPRIL 1. Pressurizer pressure con-7247D05 Sh. 12 trol: same as Revision No.

2 of Section 4.1.7. Remai-ning heater groups disabled via switchgear local opera-tion.

I 2323-M1-0250 2323-M1-2250-03 413F 424F 433F

2. Provided new strap-on RTD's on RCS hot legs and 2 2-Pen recorders at HSP.

443F 2323-M1-0255 121 3. Covered by 4.1.5.

2323-M1-2255-12

<l ,

2323-M1-0262 8808A 4. During HSB & HSD, these "A" i

l 2323-M1-2262-04 8808C valves may be closed or 8808B open. However, when the

. 8808D RCS reaches 1,000 psig the valves should be closed. The MCC are pro- "B" vided with jumpering ca-pability. Indicating lights are alto provided at the MCC.

2323-M1-0202 2325 5. To avoid spurious signal "A" 2323-M1-2202-01 2327 junction boxes JB #IS 2326 1053!) (Train "A") & "B" 2328 1 -0151 G (Train "B") are provided with switches to rI close these valves.

2323-M1-0251 455F 6. To cover the entire pres-I 2323-M1-2251-04 sure range of the RCS, a wide-range pressure trans-1 "C"

mitter (0-3000 psig) added with indicator at HSP.

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I 2323-M1-0251 455A 7. To prevent at LOCA these "A" 2323-M1-2251-03 PORV's are closed, Train "A" valve is provided with a transfer switch at STP and control switch at HSP. "B" l 456 For Train "B" similar to Train "A" except selector and control switches are located at HSP.

2323-M1-0251 455F 8. For CSD,PI455B is used at 1 2323-M1-2251-04 HSP "C" 2323-M1-0260 APRH1 9. Revise control wiring of 3

, 2323-M1-2260-01 RHR pumps to add Sel. "A" Sw at the STP for local /

'I remote operation and con-trol switch at HSP for Train "A" pump.

y 2323-M1-0260 8701A 10A. For valve 8701 A&B provide 3

)J 2323-M1-2260-05 8701B a SEL. switch at STP and "A"

'g a keylocked control switch 3 at HSP. Isolate the two lines during HSB & HSD to prevent LOCA.

~

2323-M1-2260-05 8702A 10B. For valve 8702A, valve is manually open via hand-wheel at start :f CSD.

Sufficient time is avail-

. able for manual operation before CSD.

2323-M1-0260 606 11A. HCV-606 valve is normally pg 2323-M1-2260-02 open and fails open. Valve g can be manually opened VIA JB #IS-942 (previously added to address cold shut-I down from outside the control room). No design changes required.

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2323-M1-0260 618 11B. Same as 11A 2323-M1-2260-04 "C" 2323-M1-0263 8812A

.. 2323-M1-2263-06 11C. RWST to RHR suction valve "A" (8812A&B) be disconnected at the MCC and manually I closed prior to RHR oper-ation. No modifications, except procedural.

2323-M1-0263 8811A 11D. During cold shutdown, this 2323-M1-2263-06 valve must be closed to Ig prevent reactor coolant from E flowing to the containment f' - sump. The MCC is provided i

with jumpering capability.

Indicating light is provided at the MCC.

F

• E 2323-M1-0263 8809A 12. 8809A, same as (11C) above E 2323-M1-2263-06 "A" I 2323-M1-0263 610 13. Valve FCV-610 RHR Mini 2323-M1-2263-06 "A" L. flow; no changes needed as HCV-606 can be opened.

2323-M1-0260 8716A 14. Valve 8716A to be manually

=

2323-M1-2260-US closed by disconnecting power at MCC & manipulating handwheel.

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1 II 4.4 COMPONENT COOLING WATER ANALYSIS (XB-2323-1800, SH.-11A AND 11B)

Flow Diagram Channel L and ICD No. Rev.isions Case / Train 2323-M1-0229 4518 1. Relocate selector switch u 2323-M1-2229-03 4 of pump No. 1 from HSP to STP J 2323-M1-0303 5800 2. Modify control circuitry to 2323-M1-2303-06 have two sets of fuses in CR & at Local control.

2323-M1-0229 4525 3A. For HV-4525, HV-4527, and 3

$ 2323-M1-2229-02 4527 HV-4515. Provide valve

'E 2323-M1-2229-04 4515 position light at HSP. Trip "B" valve power at MCC. Any valves out of alignment would be manually operated via handwheel.

4524 3B. For valves 4524, 4526 & 3 0 4526 4514 add Se1. switches at "A" 4514 STP and control switches at the HSP.

_ 2323-M1-0231 4699 3. For HV-4699 & HV-4701 3 2323-M1-2231-03 4701 similar to 3B above. "A" 4700 For HV-4700 & HV-4708 3 m

1 2323-M1-2231-05 4708 similar to 3A above. "B" I 2323-M1-2231-01 2323-M1-2231-01 4675 4676

4. No change. These process indicators used during STP 2323-M1-2231-01 4677 or HSP Fire. They substitute

.g 2323-M1-2231-01 4679 for valve-position indication.

3 2323-M1-2231-01 4680 2323-M1-2231-01 4681 2323-M1-2231-01 4683 l 2323-M1-2231-01 4684 2323-M1-2231-01 4685 2323-M1-2231-01 4687 2323-M1-2231-01 4688 2323-M1-2231-01 4689 c-I l

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4.5 SERVICE WATER SYSTEM ANALYSIS (XB-2323-1800, SH. 12A) 1.

Flow Diagram Channel and ICD No.

I.. Revisions Case / Train 2323-M1-0233 4250 1. Service water pump No. 1: 4 2323-M1-2233-01 move switch HS4250B from "A" HSP to STP I 2323-M1-0233 2323-M1-2233-05 4286 2. Service water pump No. 1 discharge isolation valve HV-4286: provide a selec-4 "A"

tor switch at STP and local control switch at HSP.

2323-M1-0234 4393 3. Same as 2 above 4 2323-M1-2234-02 "A" 2323-M1-0234 4395 4. Valve HV-4395: use hand-g 2323-M1-2234-02 wheel operation only. No 3 design changes required.

1

.' 4.6 CHILLED WATER SYSTEM ANALYSIS (XB-2323-1800, SH. 13)

{I 2323-M1-0311 6700 1. Chilled water recircula- 3 2323-M1-2311-01 tion pump #05; provide "A" selector switch at STP and control switch at HSP

,3 2323-M1-0311 HS-XT 2. A fire at the CR affects 3>

2323-M1-2311-01 the automatic start-up of the water chiller control.

2323-M1-0302 5684B1 3. Modify control circuitry to 2323-M1-2302-08 5684A1 provide two sets of fuses:

in CR & at Local control.

4.7 DIESEL GENERATOR AND AUXILIARIES ANALYSIS (XB-2323-1800, SH. 14) 2323-M1-0302 5691A 1. Room ventilation fans 2323-M1-2302-10 5691B protected in case of CR fire.

5691C Local selector & control 5691E switches provided.

g 5691D

!i I .

I

Ii.

4.8 AC POWER AVAILABILITY (XB-2323-1800, SH. 15A, B, & C) t, For Diesel Generator and Train "A" transfer switches, On-Site Standby Power System,

were relocated to STP.

located on Hot Shutdown Panel, Modifications, fused circuits to the equipment, were provided including separately to isolate effects of postulated fire. '

See Table 1B for STP details. See Table 1D for HSP details.

5.0 CONCLUSION

The design study, when implemented, and procedural modifications called for by this will permit CPSES to meet the intent of BTP APCSB 9.5-1 for alternate shutdown capability despite a crippling 1) control room, room, 3) STP or 4) HSP fire.

2) cable spreading 6.0 LIST OF ABBREVIATIONS CSR Cable Spreading Room CR Control Room HSP Hot Shutdown Panel L.

STP Shutdown Transfer Panel HSB Hot Standby HSD Hot Shutdown CSD Cold Shutdown CCW Component Cooling Water SSW Service Water VLV Valve SG Steam Generator

.I.

RCS Reactor Coolant System RHR Residual Heat Removal e PP P.p I

1 PPs Pumps FW Feedwater I

I -

- U

).

I l-

7.0 REFERENCES

1. TGH-5820, September 21, 1979

2. TCP-411, 1/21/80, Office Memo from J.C. Kuykendall to H.C. Schmidt

3. Office Memo from H.C. Schmidt to J.T. Merritt, 5/23/80

Attachment:

Minutes of Meeting with NRC lI i

4. NRC Docket Nos. 50-445 and 50-446, 6/9/80 l 5. CPPA-3353, 6/13/80, Office Memo from B.J. Murray to i J.C. Kuykendall

6. CPP-3381, Office Memo from Wayne Varnell to J.T.

Merritt i9

7. CPP-3416, 6/27/80, Office Memo from D.E. Freeman to Warren Chapman

, 8. Memorandum from DJC to HRR, 7/2/80 1

9. WPT-3654, 8/8/80

10. GTN-48361, 8/15/80

11. CPPA-6097, 8/15/80, Office Memo from J.T. Merritt to H.C. Schmidt

12. GTN 48802, 9/10/80

13. GTN-48840, 9/12/80

14. GTN-49003, 9/19/80

15. GTT-7220, 9/29/80

16. Office Memo from R.A. Jones to J.T. Merritt, 9/30/80 E 17. Office Memo from J.S. Marshall to R. Estes, 9/30/80 l g 18. Office Memo from J.S. Marshall to R.L. Estes, Log 3 No. 2810, 9/30/80

,7

!e 19. WPT-3758, 10/1/80

20. GTN-49253, 10/1/80

~

, 21. GTN-52615, 4/6/81 I -' -

ll I

22. GTN-52459, 3/27/81

23. GTN-52229, 3/17/81 I

i, 24. CPPA-9392, 4/6/81

25. CPPA-11954, 8/18/81 i e

i

.I I

I

!I

'I 4

I '

g -e -

I

SMUTDOWN LOGIC DIAGRAMS 77/1 cgm 6Xtf' f

l. j

~

1.0 DEFINITION 88 . 0 NOTE $s_

CRAPHIC REPRE$ENTAll0N OF PROCEDURE REQUIRED 10 ACMIEVE $PECIFIC l. TME$E DI AGRAMS DEPICT $MUTOOWN PRIMS

.; 08JECTIVE. AVAILABLE TO THE OPERATOR FOR IME $PECIFIC PURPOSE OF SMUTOOWN -

2.0 REACTOR OPERATIONAL MODES uMOER r0$1ulATED FIRES CON $10EREO .#

IN THE PLAMI FIRE MAIARD ANALY$l$. j OPERAtl0NAL REACTivlTY 1 RATED THERMAL RVERAGE C00LANI 2. IME $Muf00NN PATHS SM0WN MAVE BEEN E POWER TEMPERAiuRE SCREENEO TO ELIMINATE THOSE f MODE CONDI T ION.N EFF

".,' IExCLUDING DECAT ME All NORMALLY AVAILABLE PATH $ KNOWN 10 SE OlFFICULT TO ACHIEVE UNDER

~ M0T $iAN08Y *0.9g 0 m 3 goof POSTULATED FIRES.

NOT SMUT 00WN *0.99 0 200 F *1Avg* 350* F

• 0.99 0 s200'F 3. FOLLOWING THE PRELIMINARY $CREENING COLO $NuiOOWN

."., F0R vI ABLE $MU100MN PAIM$ UNDER 3.0 SYMBOLS PO$iUL ATED FIRE CONDITIONS.

• • AVRILABLE FETERNATE 880TH IN$l0E 4 OuiSIDE IME CRI HAVE BEEN $NOWN.

~

PROCE$$ INFORMAfl0N *. '*

i w 3.8 RN0/0R OPERATOR ACTION ,

i

( l'

(

3.2 CONTROL CON 0lil0N

~

TERMINAL POINT 33 ISPECIFIC 08JEClivEl 3.4 0FF PAGE CONNECTOR \ . . .

' EQUIPMENT DE$iROYE0 BY A CR,C5% OR A MSP FIRE DEtl$10N LOGIC A =

q x_ LOGIC OUTPUT *x* Exl$1 IF AND ONLY IF ONE 3.1 x-0ESIRED LOGIC PATM N\ _

B q - On MORE LOGIC INPUI$ A.B.C EIl$1.

3.3

- A 3 LOGIC OUTPUT *x* Exi$i IF AND ONLY IF ALL B LOGIC INPUTS 9.8.C Exl$1.

3.6 E -

NOT i

1980 Ni ATION TEXAS UTILITIES SERVICES INC. JOB NO. 2323 ACENT FOR DALLAS POWER & LIGHT COMPANY SKETCH NO.

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NOTES:

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~

. Isa0N2$ 235 N"$N!iANAil04 TEXAS UTILITIES SERVICES INC. JOB NO. 2323 AcENT r0R DALLAS POWER & LIGHT COMPANY SKETCH NO.

1*4e a H__4_% TEXAS ELECTRIC SERVICE COMPANY XB-2323-1800 ring en0irttion amatrsts = TEXAS POWER 4 LIGHT COMPANY SHEET NO. 38 0F 15 a ut o

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2. TUR81mf TRIP thPUTS WMICn APPgan ON WE$f!NGMOUSE dug.724700$

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t .3. REDUNDANT ThlP-TRAlu "A* SN0mm.

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REnCTOR d IRIP ,

les0 N N E $w!iAd kil0N TEXAS UTILITIES SEhVlCES INC. JOB NO. 2323 AGENT FOR D -

DALLAS POWER & LIGHT COMPANY SKEICit NO.

d J

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5 U RCs PRESSURE

' CONIROL d H58 E1 1980 30 N!ind4TIDu TEXAS UTILITIES SERVICES INC. JOB NO. 2323 RGENT t0A d 0ALLAS F0WER & LICHT Cf,RPANY

!J {**1gMM

==

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