ML19209B629

Auxiliary Sys Operating Procedure 1106-6,Revision 13, Emergency Feed

ML19209B629
Person / Time
Site:	Crane
Issue date:	08/15/1979
From:	METROPOLITAN EDISON CO.
To:
References
1106-6, NUDOCS 7910100251
Download: ML19209B629 (18)

Text

i 0-0 Revision 13 08/15/79 THREE MILE ISLAND NUCLEAR STATION AUXILIARY SYSTEMS OPERATING PROCEDURES PORC C AR V AN essaceNCY ese0 Table of Effective Pages U.N ~~ 1 Pace Date Revision Pace Date Revision Page Date R evision 1.0 03/07/77 9

26.0 51.0 2.0 07/12/79 12 27.0 52.0 3.0 07/12/79 12 28.0 53.0 4.0 07/23/75 7

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Date Cognfzant dept. Head Cognizarit Dedt. Head Unit 1 PORC Recommends Approval Unit 2 PORC Recqmmandy Approval

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M3-Date b/

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Date

~ ' Chairman of PORC Chairman of PORC y

Unit 1 Superihtendent Approval Unit 2 Su;;erintendent Approval YM

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Date Date

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Manager Gereration Quality Assurance Approval b

Date 79, o, ou a 5~/

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1106-6 Revision 9 03/07/77 THREE fille ISLAND NUCLEAR STATION AUXILIARY SYSTEMS OPERATING PROCEDURES Emergency Feed Table of Contents 6.1 Rt 2rences 6.1.1 System Descriptions 6.1.2 Drawings 6.1.3 Manufacturers Instru: tion Manuals 6.1.4 Applicable Operating Procedures 6.2 Limitations and Precautions 6.2.1 Equipment 6.2.2 Administrative 6.3 Operating Procedures 6.3.1 Emergency Standby 5.4 Fill 1A OTSG with Emergency Feed Pumps 6.6 Fill IB OTSG with Emergency Feed Pumps 6.6 Enclosures 6.6.1 Emergency Standby Valve Checklist, Enclosure I 6.6.2 1 A OTSG Fill with EFP's Valve Checklist 6.6.3 1B OTSG Fill with EFP's Valve Checklist i

i 1.0 112:

087

1106-6 Revision 12 07/12/79

6.1 REFERENCES

6.1.1 System Descriotions 6.1.1.1 Emergency Feed Pumps & Drives Volume I, Section C, Chapter 8 6.1.1.2 Feedwater System Volume I, Section C, Chapter 6 6.1.2 Drawinas 6.1.2.1 Main Steam GAI-302-011 6.1.2.2 Feedwater GAI-302-081 6.1.2.3 Nuclear Service Closed Cycle Cooling Water GAI-302-610 6.1.3

_ Manufacturers Instruction Manual 6.1.3.1 Bailey Instruction Manual on I.C.S.

6.1.3.2 Worthington Manual on Pumps and Steam Turbine 6.1.3.3 Westinghouse Motors 6.1.4 Acolicable ODeratino Procedures 6.1.4.1 0.P. 1202-26 Loss of Steam Generator Feed 6.1.4.2 0.P. 1203-5 Feed System Abnonnal Operation 6.2 LIMITATIONS AND PRECAUTTONS 6.2.1 Ecuioment 6.2.1.1 To prevent damage to pumps, insure that each pump recirculation path is lined up when system is in emergency standby.

6.2.1.2 EF-V4 and EF-V5 (River Water to EFP Suction isolation valve) will be opened only when all other sources of water have been exhausted.

NOTE:

Prior to opening EF-V4 and EF-V5 (from CC), one (1) of the R.B.

Emergency Cooling Pumps must be running to satisfy interlock in valve opening CKT. Also EF-V4 and 5 are locked closed at valve, and breakers are locked open at 480 V.

Control Center ICESV.

2.

1123 088

1106-6 Revision 12 07/12/79 6.2.1.3 When returning system to standby after maintenance or extended shutdown, thoroughly vent each pump.

6.2.1.4 Oil should always be visible in the glass bottle on the constant level oilers on the pumps.

6.2.2 Administrative 6.2.2.1 The emergency feed pu'.'s will not be used to replace a main feed pump for normal operation.

6.2.2.2 During plant start-up, place the emergency feed pump turbine auto-start switch in NORMAL per OP 1102-2, Plant Heatup with the RCS at hot shutdown conditions.

6.2.2.3 During plant shutdown, place the emergency feed pump turbine auto-start switch in DEFEAT prior to removing the second main feed pump from service per OP 1102-10, Plant Shutdown.

6.2.2.4 Insure emergency trip for EF-U-1 is reset for standby operation.

6.2.2.5 During startup, before the primary coolant temperature exceeds 250 F as indicated on RCSA/B-TI-1, the turbine driven emergency feedwater pump (EF-P1) and both motor driven emergency feedwater pump's (EF-P2A & 23) shall be operable per Tech. Specs.

6.2.2.6 Any component in 6.2.2.5 above may be removed from service for a.

period not to exceed 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br />.

If this period exceeded, the unit will be placed in the cold shutdown condition, per OP 1102-10, Plant Shutdown, and OP 1102-11, Plant Cooldown, within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> per Tech. Specs.

6.3 OPERATING PROCEDURE 6.3.1 Emercency Standby 3.0 O

o-Revision 7 07/23/76 The following procedure outlines the steps necessary for placing the emergency feed system in an emergency standby condition.

6.3.1.1 Prerequisites (Indicate satisfactory completion of steps below by initiaiing at each step and sign name at end of procedure section).

1.

Verify instrument air system lined up for normal operation per OP 1104-25 and air available to system valves and controls.

2.

The flormal and Emergency Electrical Systems lined up for normal operation per OP 1107-1 and 1107-2 respectively.

3.

On console 'CL' and 'CC' in the control room, place the C/S for EF-P2 A & B in PULL-TO-LOCK.

fl0TE:

Each pump has two (2) control switches.

4.

Control power (125VDC) is available at the switch gear for breaker cor. trol.

Pt'L 1E SW #9 and Pt1L 1F SW #9 for 4160V Buses 10 and 1E respectively.

5.

On the 4160 volt engineered safeguard bus 1D, place the breakers for EF-P2A and B in the racked-in position.

6.

On the 4160 volt engineered safeguard bus IE, place the breaker for EF-P2A and B in the racked-in position.

7.

On the following 480 V control centers, insure that the designated equipment manual breakers are closed.

a.

lA E.S.;

EF-V1A at Bkr. 2B EF-V2A at Bkr. 2D b.

1B E.S.;

EF-V1B at Bkr. 150 EF-V2B at Bkr. 15E 4.0 1123 190

1106-6 Rev'sion 12 07/12/79 c.

1C E.S.V.;MS-V2A at Bkr. SD MS-V2B at Bkr. 10C 8.

On the 250/125VDC distribution system, close the following switches.

Dist.

pnl.

SW#

Equip.

250VDC 1C 1

MS-V10A 250VDC 1D 1

MS-V108 125VDC 1E 3 (to XCC cab.)

PS-V13A (fuse) 125VDC 1F 3 (to XCL cat- )

MS-V13B (fuse) 9.

At 480 V control center IC-ESV, place the CKT breakers for EF-V4 and S in the "lockeJ 09en" position.

10.

Align system valves per 6.4, Enclosure I.

11.

Verify that the condensate system is lined up, per OP 1106-2, to provide water to emergency feed pump suction header.

12.

Steam Driven Emergency Feed Pump (EF U 1) Trip Reset.

6.3.1.2 Procedure (Indicate satisfactory completion of steps below by initialing at each step and sign name at end of procedure section).

1.

During Plant Startup per OP 1102-2 with the RCS at hot shutdown place the emergency feed pump turbine AUTO-START DEFEAT switch on console 'CC' to the NORMAL position and accomplish steps 2 and 3 below.

2.

On console CL, place C/S for EF-P2A-D in the Normal - After Stop and EF-P2B-D in Pull-to-lock.

3.

On console 'CC' place C/S for EF-P2A-E in Pull-to-Lock and EF-P23-E in Normal - After - Stop.

The system is now lined up for Emergency Standby.

1123 091 5.0

1106-6 Revisfon 13 08/15/79 6.4 Fill 1 A OTSG with Emergency Feed Pumps NOTE:

Only for use when normal feedwater supply is no. availabla during Cold Shutdown Conditions.

6.4.1 Prerequisites

1.

Nitrogen truck lined up to secondary plant.

2.

lA or 1B OTSG's are not on sample recire.

6.4.2 Procedure for A OTSG 1.

Complete valve line up per Enclosure II.

2.

Open EF-V-2A and EF-V-28.

3.

Start EF-P-2A or EF-P-2B open MS-V-71A and 71B.

4.

Control fill rate with EF-V-30A.

NOTE:

See Section 6.6.4 5.

Secure EF-P-2A or EF-P-23 when lA OTSG level is 416" (or lower level if required) and close EF-V 'iOA.

To fill above 416" refer to OP 1106-16, 6.

Close MS-V-71A and 71B and open MS-V-75A and 758.

7.

Establish nitrogen pressure on lA OTSG by 1106-16.

8.

Place 1A OTSG on sample recirc per OP 1106-16.

9.

Close EF-V-2A and EF-V-23.

/

6.5 Fill IB OTSG's with Emergency Feed Pumps.

NOTE:

Only for use when normal feedwater supply is not available during Cold Shutdown Conditions.

6.5.1 P-requisites:

1.

Nitrogen truck lined up to sec. plant.

2.

lA or IB OTSG's are not on sample recirc.

6.5.2 Procedure for B OTSG 1.

Complete valve line up as per Enclosure III.

5o 112: 192

1106-6 Revision 13 08/15/79 2.

Open EF-V-2B and EF-V-2A.

3.

Start EF-P-2B or EF-P-2A.

Open MS-V-71C and 710.

4.

Control fill rate with EF-V-303.

f NOTE:

See Section 6.6.4.

5.

Secure EF-F-2B or EF-P-2A when IB OTSG level is 416" (or lower level if required) and close EF-V-30B.

To fill above 416" refer to OP 1106-16.

6.

Close MS-V-71C and 710 and open MS-V75C and 750.

7.

Establish nitrogen pressure on 1B OTSG by OP 1106-16.

8.

Place IB OTSG on sample recirc per OP 1106-16.

9.

Close EF-V-2A and EF-V-28.

7.0 112 093

0$[flg13 ENCLOSURE I 6.6.1 Startuo Valve Checklist A - Control Room Valve No.

Descriotion Position Initial MS-V-2A Steam dump Hdr. A Isolation Open MS-V-2B Steam dump Hdr. B Isolation Open MS-V-6 EFP1 Steam Regulator Locked Open MS-V-10A Steam supply to EF-U1 Closed MS-V-13A MS-V-10A Startup Bypass Closed MS-V-10B Steam supply to EF-U1 Closed MS-V-6 EF-P-1 Steam Regulator Handwheel Locked Open MS-V-13B MS-V-10B Startup bypass Closed EF-V-1A Suction Hdr'. Sectional Isolation Open EF-V-18 Suction Hdr. Sectional Isolation Open EF-V-2A Discharge Hdr. Sectional Isolation Open E F-V-2B Discharge Hdr. Sectional Isolation Open EF-V-4 Emergency River Water Supply to Suction Locked Closed EF-V-5 Emergency River Water Supply to Suction Locked Closed EF-V-30A Emergency feed C.V. to S.G.A.

Auto Verify Emergency feed pumps are off and have CR0 stroke valve from the Control Room to assure it properly and smoothly strokes.

EF-V-30B Emergency feed C.V. to S.G.B.

Auto Verify Emergency feed pumps are off and have CR0 stroke valve from the Control Room to assure it properly and smoothly strokes.

CO-V-10A Condensate Tk. A Isolation Open CO-V-10B Condensate Tk. B Isolation Open E F-V-45 A Sensing Line Root for EF-V-15A Open EF-V-453 Sensing Line Root for EF-V-15B Open 8.0

q.,

qq4

(,,. a

'J J

1106-6 Revision 12 1 - Intermediate Bldg.

Vi e No.

Descriction Position Initial EF-V8B EF-P-1 Min. Flow Recirc.

Auto V28A Vent on Suction of EF-P-1 Closed V288 Vent on Discharge of EF-P-1 Closed V22 EF-P-1 Recire. Isolation Locked Open V-31 EF-P-1 Brg. Cooling Water Outlet Open VISA EF-P-1 Brg. Cooling Supply Reg.

Auto V15B EF-P-1 Brg. Cooling Supply Reg.

Auto V1015 PT 65 Root Open V1016 PT 65 Isolation Open V1017 PT 65 Drain Closed V6 E.F.-P1 Suction Isolation Locked Open V1005 F.E. 78 High side root Open

,V1006 F.E. 78 Low side root Open V1007 F~

78 Valve Manifold H.P. Isolation Open L.P. Isolation Open Equalizer Closed Drain Closed V1008 FS-78 High side drain Closed V1009 FS-78 Low side drain Closed V1020 P1 69 Root Open V23 EF-P-2A Suction Hdr. drain Closed V24 EF-P-1 Suction Hdr. Drain Closed EF-V-14 Emergency River line Flushing Closed V1000 FE-77 High side root Open V-1001 FE-77 Low side root Open 9.0 1123 095

1106-6 Revision 12 B - Intennediate Bldg. (Cont.)

Valve No.

Descriotion Position Initial V1002 FS-77 Valve Manifold High side Isolation Open Low side Isolation Open Equalizer Closed Drain Closed V1003 FS-77 High side drain Closed V1004 FS-77 Low side drain Closed V40 EF-P1 Bearing cooling vent Closed V41 EF-P2A/2B Bearing cooling Vent Closed V42A EF-P2A Suction Vent Closed V16A EF-P2A Suction Locked Open '

V1021 P1 70 Root valve Open V1022 PT 71 Root Open

,V1023 PT 71 Isolation Open V1024 PT 71 Drain Closed V36A EF-P-2A Brg. Cool Isol.

Open V38A Bearing cooler inlet Open V8A Min. flow recirt.

Auto V10A EF-P-2A disch. valve Locked Open V25A EF-P-2A vent Closed V20A EF-P-2A Recire. Isol.

Locked Open EF-V25 EF-P-2B Suction Hdr. drain Closed V27A Drain disch. Mdr.

Closed V44 OTSG "B" Feed line vent Closed V1028 P1 476 root Open 112:

096

1106-6 Revision 12 07/12/79 B-Intermediate Eldg. (Cont.)

Valve No.

Description Position Initial V1029 P1 477 Root Open V29 Drain Disch. Hdr.

Closed V27B Drain Disch. Hdr.

Closed V1018 Px 67 test valve Closed V26B EF-P-2B Disch. Hdr. Vent Closed V10B EF-P-2B Disch. Isolation Locked Open l

V38B EF-P-2B bearing cooling water inlet Open V36B EF-P-2B bearing cooling water outlet Open V-8C EF-P-25 Minimum flow recire.

Auto V1025 PT 72 root valve Open V1026 PT 72 Isolation Open V1027 PT 72 drain Closed V208 EF-P-2B recirc. line isolation Lock Open V16B EF-P-2B Suction isolation Locked Open I

V42B EF-P-2B Suction Hdr. Vent Closed V17 E.F.P.'s Recire. line drain Closed V18 E.F.P. 's Recirc. line vent Closed V43A A #eed Hdr. to S.G.A. vent (In Reactor Bldg.)

Closed V43B A feed Hdr. to S.G.B. vent (In Reactor Bldg.)

Closed C0-V176 Feed pumps recirc. to CO-T-1B Isol.

Locked Open EF-V47 Supply to EF-Pl seal cool. wtr. vv. EF-V46A/B Open V46A EF-P1 inboard seal cooling water Open V46B EF-P1 outboard "

Open V49 Supply to EF-P2A seal cool. wtr. a. EF-V48A/B Ooen V48A EF-P2A inboard seal cooling water Open V488 EF-P2A outboard "

Open 11.02[ ')97

1106-6 Revision 9 03/07/77 B-Intermediate Bldg. (Cont.) Valve No. Descriotion Position Initial V51 Supply to EF-P2B seal cool. wtr. vv. EF-V50A/B Open V50A EF-P2B inboard seal cooling water Open V50B EF-P2B Outboard " Open EF-V1010 FE-79 High Side Root Valve Open EF-V10ll FE-79 Lo Side Root Valve Open EF-V1012 FS-79 Manifold - Drain Closed H.P. Isolation Open L.P. Isolation Open Equalizer Close EF-V1013 FS-79 Hi Side Drain Close EF-V1014 FS-79 Lo Side Drain Close EF-V1019 PX-68 Test Valve Close VALVE CHECKLIST COMPLETE Performed By Signature Date Reviewed By SR0 or R0 License Signature Date 12.0 llE 098

1106-6 Revision 12 07/12/79 ENCLOSURE II 6.6.2 1A OTSG Fill with CFP's Valve Checklist Valve No. Description Position Initial SD-V-14A Close SD-V-87A Close FW-V-78A Close FW-V-79A Close FW-V - Close 3 FW-V-81A Close FW-V-82A Cicse FW-V-83A Close EF-V-16A Locked Open EF-V-16B Locked Open EF-V-10A Locked Open i EF-V-10B Locked Open EF-V-20A Open EF-V-20B Open C0-V-176 Open CO-V-10A Open C0-V-10B Open MS-V-25A Close MS-V-25B Close MS-V-70A Open .MS-V-708 Open MS-V-75A Close MS-V-75B Close 13.0 1123 099

Revision 3 03/07/77 EllCLOSURE II (con't) 6.6.2 1A OTSG Fill with EFP's Valve Checklist Valve flo. Descriotion Position Initial MS-V-71A Close I MS-V-71B Close { i Valve Checklist Complete i 1 Performed By Date Signautra l Reviewed By SR0 or R0 License Date Signature t h I I 14.0 ll23 !00 ..:.,..~ -...w e.,.m.,nn :g...mmen. ;my..,

1106-6 Revision 12 ENCLOSURE III 6.E.3 ,lB OTSG Fill with EFP's Valve Checklist Valve No. Description Position Initial SD-V-148 Close SD-V-87B Close FW-V-788 Close FW-V-799 Close FW-V-803 Close FW-V-81B Close FW-V-82B Close FW-V-83B Close EF-V-16A Locked Open EF-V-168 Locked Open EF-V-10A Locked Open EF-V-10B Locked Open EF-V-20A Open EF-V-208 Open C0-V-176 Open C0-V-10A Open C0-V-10B Open MS-V-25A Close MS-V-258 Close MS-V-70C Open MS-V-700 Open MS-V-75C Close MS-V-75D Close 15.0

0-0 Revision 9 03/07/77 ENCLOSURE III (cont't) 6.6.3 IB OTSG Fill with EFP's Valve Checklist Valve No. Description Position Initial MS-V-71C Close MS-V-710 Close l t Valve Checklist Complete ~~~ ~~ Performed By Date i Signature Reviewed By SR0 l or R0 License Date Signature 16.0 1123 !02 ... ~.

1106-6 Revision 13 08/15/79 6.6.4 Placing EF-V-30A/B from Auto to Manual and Manual to Auto. Auto To Manual 1. Turn handwheel to align holes. 2. Insert pin. 3. Position Auto-Manual switch to manual located on controller box. 4 Open equalizing valve located on outside of diaphram. 5. Position valve as needed with handwheel. Manual To Auto 1. Shut equalizi.y 2. Position Auto-Manual Switc5 to Auto. 3. Remove Pin from hole. 4. Position pointer on valve stem to align with neutral position marked on valve body by use of handwheel. 17.0 112J '03}}