ML20141N163

Rev 1 to Procedure GOP-OLC-001.01, Operator Licensed Candidate:Procedures Normal,Abnormal & Emergency,Loss of Instrument Air

ML20141N163
Person / Time
Site:	Davis Besse
Issue date:	12/31/1985
From:	TOLEDO EDISON CO.
To:
Shared Package
ML20141N145	List: ML20141N144 ML20141N147 ML20141N150 ML20141N153 ML20141N156 ML20141N160 ML20141N163 ML20141N168 ML20141N172 ML20141N176 ML20141N179 ML20141N180
References
1242, GOP-OLC-001.01, GOP-OLC-1.01, TAC-61015, NUDOCS 8603040432
Download: ML20141N163 (12)

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GOP-OLC-001.01 Attachment 36 Program

Title:

OPERATOR LICENSED CANDIDATE Course

Title:

PROCEDURES NORMAL, ABNORMAL, AND EMERGENCY Lesson

Title:

ABNORMAL OPERATING PROCEDURES Approximate Time: Hours Revision No.: 0 Date: 85 Resource Materials for the Instructor:

Job Aids: Applicable Abnormal Procedure Audio / Visual Equipment Needed: Overhead Projector List of Transparencies:

Equipment / Tools: None Safety Requirements: Davis-Besse Safety Practices Instructional Settina: Classroom Student Materials: Pen or Pencil, Paper, Handout Special Considerations: N/A Instructor

References:

AD 1828.10, AD 1805.00, AB 1203, Reg Guide 1, 33 10 CFR 50, Technical Specifications Student

Reference:

AB 1203 Applicable 1 of 11

LOSS OF INSTRUMENT AIR AB 1203.36 GOP-OLC.001.01

Attachment 36 l

4 OBJECTIVE. OBJECTIVE TEXT NUMBER O UPON SUCCESSFUL COMPLETION OF START-UP TRAINING, THE

REACTOR OPERATORS AND SENIOR REACTOR OPERATORS WILL E ABLE TO PROPERLY APPLY TE ABNORMAL PROCEDURES NECESSARY FOR PROPER TASK PERFORMANCE.

i 00 TE FOLLOWING ENABLING OILJECTIVES ASSOCIATED WITH THIS 3 LESSON PLAN ARE DESIGNED TO SUPPORT TE " KNOWLEDGE" j REQUIREMENTS FOR TE ABOVE TERMINAL OBJECTIVE.

000 TE TRAINEE, WITHOUT REFERENCES (UNLESS OTERWISE SPECIFIED), ACCORDIDNG TO APPROVED PROCEDURES, WILL BE e ABLE TO:

01 GIVEN SPECIFIC SYMPTOMS, CORRECTLY RECOGNIZE THE APPLICABLE ABNORMAL PROCELURE.

02 LIST / STATE TE FINAL PLANT CONDITION THAT THE ABNORMAL PROCEDURE DIRECTS TE PLANT TO BE PLACED IN.

03 RECALL / IDENTIFY TE PLANT EQUIPMENT / SYSTEMS AVAILABLE TO TE OPERATOR DURING TE PERFORMANCE OF THE ABNORMAL PROCEDURE.

• 04 LIST / STATE TE FINAL CONDITION OF SELECTED PLANT SYSTEM, WHEN TE ABNORMAL PROCEDURE IS COMPLETE.

1 05 WHEN PROVIDED WITH A SPECIFIC NOTE AND/OR CAUTION,

' CORRECTLY LIST / STATE TE REASON FOR THE NOTE AND/OR CAUTION.

li 06 LIST / STATE TE EMERGENCY ACTION LEVEL THE STATION / SITE IS IN WHEN TE ABNORMAL PROCEDURE IS: ENTERED, IN ,

PROGRESS, COMPLETED (SRO ONLY).

07 BRIEFLY DESCRIBE TE ACTION (S) THAT EACH INDIVIDUAL IS DIRECTED TO PERFORM, IN ACCORDANCE WITH TE ABNORMAL i

PROCEDURE (SRO ONLY - ALL INDIVIDUALS ACTIONS).

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LOS5 0F INSTR 1 MENT AIR AB 1203.36 GOP-OLC.001.01 Attachment 3o 1.0 INTF0DliCTION The intent of this lesson is to introduce / review the Loss of Instrument Air Abnormal Procedure. Tbc material (s) that you are responsible for is/are stated in the objectives for this lessoa. TP-1 2.0 PRESENTATION A. Symptoms that indicate entrance into this abnormal Obj. #1 procedure.

1. The following ant.unciator Alarms

a. Station Air CMPSR Trcuble i

b. Instrument Air Eng. CMPSR Trouble

c. Air Faader Pressure Low (1) Station 97 psig (decreasing) 7 (2) Instrument 95 psig (decreasing) i

2. loss of Instrument Air is defined as < 75 psig on Inst, Air Header pressure indicator PI810 (located in the Control Room.

a. Atthispressuref>)5psig),theoperatorwill experience a loss of

(1) Velve Control Enclosure 2 of AB 1

(2) Indicators Enclosure 1 of AB (3) Alarms Enclosure 1 of AB B. Operator Actions i 1. The operators first action (s) is to follow the OBJ #3 and 7 appropriate alarm procedure (s),

(i.e.) a, Start Additional Compressors

b. Correct the cause i

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A LOSS OF INSThuMaNT AIR AB 1203.36 GOP-OLC.001.01 Attachment 36

2. The operators second action is to perform the Details of Actions Actions listed in the applicable procedure are given in the AB when the initiating condition (s) is/are met,

a. PI 810 g 75 psig (1) Trip the Reactor (2) Actuate SFRCS on Low Steam Generator Level i

(3) Perform EP 1202.01, RPS, SFAS, SFRCS Trip or SG Tube Rupture.

a (4) Continue to correct the cause.

(5) Insure Station Air Header is isolated SA 2008. TP-2 (6) Insure Filter / Dryer Emergency Bypass Line Regulator and Filter are in service.

(7) Isolate the normal inst. air filters and dryers.

3. When header pressure decreases to 70 psig insure that the following header (s) is/are isolated.

a. Turbine Building

b. Water Treatment Building

c. Perform the following actions (1) Trip both heater drain pumps '

(2) Shutdown the screen wash pumps (3) Shutdown the cooling tower makeup pumps (4) Open condenser vacuum breakers (5) Lockout the mechanical hogger (6) Shutdown the steam packing exhausters (7) Try to maintain one condensate pump running 4 of 11

LOSS OF INSTRUMENT AIR AB 1203.36 GOP-OLC.001.01 I Attachment 36 i

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(8) Maintain hotwell level using local valves; s

(9) Take manual control of service water to the component cooling and turbine plant cooling water heat exchangers (10) Throttle TPCW pump discharge valve to control discharge pressure ), 74 psig. Leave ene pump running.

(11) Provide a flow path for the flash tank pumps, blowdown six condenser and a vent for the flash tank.

(12) Isolate and bypass the condensate polishers.

(13) Place turbine on turning gear (manually engage)

(14) Restore demineralized water header if needed (15) Restore domestic water header is needed (16) Inform C&HP - check water treatment system

4. When header pressure decreases to5 65 psig, the Auxiliary Building non-essential header isolates. The following operational problems will/may occur.

a. Pressurizer level - MU-32 fails open

b. Divert path for letdown - alternate flow path to CWRT 1

c. The following valves may close:

(1) MU-33 RCS MU CTNT Iso.

(2) MU-3 Letdown CTMT Iso.

(3) MU-66A thru D - SI CTMT Iso's (4) MU Seal Return Header CTMT Iso READ-CAUTION Any SFAS actuated valve overridden to a non-SA Read Aloud position will have to be manually placed in and Emphasize the.SA position if a SFAS occurs. OBJ. #5 5 of 11

LOSS OF INSTRUMENT AIR AB 1203.36 COP-OLC.001.01 Attachment 36

d. Prevent damage to the running CCW pump by closing the CCW outlet valve from the DH cooler.

e. Trip the primary water transfer pump

f. Shutdown and lockout the following:

(1) Clean waste booster pumps (2) CWRT transfer pumps (3) CWMT transfer pumps (4) Conc. transfer pumps (5) Waste gas compressors (6) MWMT transfer pumps (7) Quench tank circ. pump (8) R.C. drain tank pumps (9) Boric acid addition tank immersion heaters

g. Start the boric acid addition tank mixer

h. To add boric acid: The boric acid pumps start Emphasize low level switch must be held in that position for the interlock will pump to run shutdown pump if switch is not held

i. Place Control Room EVS system in service J. The following valves may also fail which could res:rlt in operational problems.

(1) ffU-6 letdown flow control valve (Closed)

(2) Loss of atmospheric vent valves (Closed)

(3) MU seal injection flow control valve (Open)

(4) Loss of deserator level control.

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LOSS OF INSTRUMENT AIR AB 1203.36 GOP-OLC.001.01 Attachment 36 C. Initial and Final Plant Condition (s)

1. The plant is assumed to be in Mode 1 or 2 at the start of the event,

, 2. The plant is taken to Mode 3 (Hot Standby) when the OBJ. #2 procedure is followed.

3. RCS Heat Removal is via the Steam Gen., Auxiliary OBJ. #4 Feedwater is supplying the SG's. The AVV's or the Steam Safeties are maintaining pressure (Tsat; RCS Temp)

4. The Emergency Action Level the plant is in at the: OBJ #6

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a. Start is: Unusual Event condition - Miscellaneous

b. During: Dependent on plant conditions:

U.E., Alert

c. Completed: Dependent on plant conditions:

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U.E., Alert, Site Eng. No Action Level D. Valves Identified in the procedure that may require manual operation.

1. KU-33 RCS Makeup Containment isolation Fail Position - Closed (75 psig)

Location - #2 Mechanical Penetration Room Location of Air Volume Tank - Outside #2 Mechanical Penetration Room Door Manual Operation - Isolate the air to the SL-1 Volume Tank (close valves), open the vent SL-2 Proceed to valve, open regulator drain, SL-3 remove fork device from handwheel spoke, turn handwheel.

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a LOSS OF INSTRUMENT AIR AB 1203.36 GOP-OLC.001.01 Attachment 36

2. MU-3 Letdown Containment Isolation Fail Position - closed (75 psig)

Location - #1 Mechanical Penetration Room Location of Air volume tank - across from Motor Control Center E22B Manual Operation - same as MU-33

3. MU-66A thru 66D Seal Injection Containment Isolation Valve.

Fail Position - Closed (75 psig)

. Location - #1 Mechanical Penetration Roon Location of air volume tank - across from Motor Control Center E22B Manual Operation - same as MU-33

4. MU-38 Seal Return Header Containment Isolation Fail Position - Closed (30 psig)

Location - #1 Mechanical Penetration Room Location of Air Volume Tank - Across from Motor Control Center E22B Manual Operation - Same as MU-33

5. PW-6881 Primary Water Transfer Pump Suction Fail Position - closed (s65 psig)

Location - Clean Waste Monitor Tank Room SL-11 l

Manual Operation - isolate air to the regulator l (close valve). Open drain on Regulator, turn '

handwheel on top of valve diaphragm.

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LOSS OF INSTRUMENT AIR AB 1203.36 GOP-OLC.001.01 Attachment 36

6. CC-1460 Makeup Pump header 1 solation" Fail position - closed (s65 psig)

Location - Component Cooling Pump /Hx Roon N.E.

Corner above door.

Manual Operation - isolate air to regulator SL-4 (close valve). Open vent valve; turn handhweel on top of diaphragm.

7. CT-916 cooling Tower Makeup Valve Fail Position - Closed (* 70 psig)

Location - Service Water Structure - Lower elevation, south of bubbler pumps.

) Manual Operation - isolate air to the two SL-5 4

regulators (close valves). Open Drains on SL-6 regulators, open equalizing valve. Turn SL-7 handwheel to allow key to align with keyway.

Insert key into keyway; turn handwheel.

$ 8. CT-840 Cooling Tower Blowdown Valve i

Fail. Position - Open (* 70psig)

Location - Circulating Water Pump House S.W. corner Manual Operation - Same as CT-916 SL-8 SL-9

., SL-10 i

9. DW-6880 Demineralized Water Transfer Pump Discharge Valve Fail Position - Closed (70 psig)

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Manual Operation - same as PW-6881 SL-11 i

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t LOSS OF INSTRUMENT AIR AB 1203.36 GOP-OLC.001.01 Attachment 36 i

10. Atmospheric Vent Valves

{ Fail Position - Closed

$ Location - In the radwaste ventilation area outside the Control Room (elevation 623') is located a manual handwheel and two valves for i each atmospheric vent valve. Instructions are posted near each handwheel as follows:

Manual Operation - Close Valve A (see drawing) SL-12 which isolates air from Valve V3.

Open Valve B (vent valve) which vents actuator air through V3 Check the handwheel counter at zero. Then open SL-13 the handhweel (CCW) to the desired position.

0 turns = closed

, 253 turns = open J

l NOTE: Valve does not start to open until approx.

13 turns.

If partial closing is desired, simply rotate the manual handwheel in the clockwise direction since the valve is spring assisted in the close direction.

If positive shutoff is desired, close the manual handwheel until it reaches the full closed position j (zero counts on counter).

Close B Valve CAUTION: Do NOT open A valve unless remote manual operator counter is at zero counts as damage can occur to the lifting fork on the valve stem.

Open A valve to restore closing air to the actuator.

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LOSS OF INSTRUMENT AIR AB 1203.36 GOP-OLC.001.01 Attachment 36

11. Discuss the process to return the hand jacked valves to auto.

a. Basically go in reverse orcer of placing valves in manual. Emphasize that: Keys must be removed from keyways and hand jacks returned to the " neutral" position (if applicable) 3.0

SUMMARY

A. Review symptoms 4

B. Review initiating event f"

C. Review initial plant condition D. Review final plant condition E. Review Emergency Action Level the site may be in.

OPTION: At the instructors discretion - use TP's of TP's included Systems to indicate valves that will not control ~or fail.

4.0 EVALUATION A. Ask the students to answer the objectives. i 5.0 ASSIGNMENT A. None  ;

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GOP-OLC-Attach. 36 11 of 11

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