ML20203K836

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Rev 0 to Training Lesson Plan LO-LP-39213-00, Refueling Operations
ML20203K836
Person / Time
Site: Vogtle  Southern Nuclear icon.png
Issue date: 08/05/1986
From: Brown R, Slough R
GEORGIA POWER CO.
To:
Shared Package
ML20203K798 List:
References
LO-LP-39213, LO-LP-39213-00, NUDOCS 8608210373
Download: ML20203K836 (12)


Text

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VOGTLE ELECTRIC GENERATING PLANT 3 5 .* % **~~ .s TRAINING LESSON PLA$. % % 4 j ';..

TITLE: REFUELING OPERATIONS NUMBE6 'LO-LP-39213-00 PROGRAM: LICENSED OPERATOR TRAINING 0 REVISION:

AUTHOR: R. SLOUGH DATE: 8/1/86 APPROVED: Q4N j s DATE: g/g7pg INSTRUCTOR GUIDELINES:

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t' LO-LP-39213-00

l. PURPOSE STATEMENT:

TO TEACH THE STUDENT THE APPLICABILITY AND ACTIONS OF LIMITING CONDITION FOR OPERATION SECTION 3/4.9, REFUELING OPERATIONS.

11. LIST OF OBJECTIVES:
1. The student will be able to determine if in violation of an LCO if given a list of equipment and a given applicability condition.
2. The student will be able to give the required action statement from memory if the time limit for action is one hour or less.
3. The student will be able to look up the required action if given the applicable LCO if actions required in more than one hour.
4. The student should be able to paraphase the LCO's associated with refueling operations. .

Required for SRO only.

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5. The student will be able to explain the bases for each of the LCO's.

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REFERENCES:

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TECHNICAL SPECIFICATIONS l

SECTION 3/4.9 REFUELING OPERATIONS l

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LO-LP-39213-00 ll1. LESSON OUTLINE: NOTES A. Boron Concentration T.S. 3/4.9.1

1. C, in RCS and refueling canal uniform and sufficient t5 ensure more restrictive of:
a. k,gg _ .95, or
b. _ 2000 ppe.
2. Applicable in Mode 6
3. Actions Immediate actions
a. Suspend CORE ALTERATIONS and positive reactivi*.y changes
b. Borate at _ 30 sps with _ 7000 ppe boron until LCO restored
4. Bases
a. Ensures that 1)

Reactor remains suberitical during core alterations

2) Uniform boron in water with direct access to fuel
b. Consistent with assumptions in accident analyses
1) Boron dilution incident .

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2) Includes 1% delta K/K conservative analyses
3) Includes 50 ppe conservative analyses R.. Instrumsstation >

T.S. 3/4.9.2 i

1. Ttso,SE asaitors OPERABLE with visual indication in Control Boom and one with audible indication in Containment and Control Room.
2. Applicable in Mode 6.

l 3. If one inoperable, suspend core ALTERATIONS and Immediate action

! positive reactivity changes. If both inoperable.

l determine RCS 3C avery 12 h ars.

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LO-LP-39213-00 Ill. LESSON OUTLINE: NOTES

4. Bases
a. Ensures redundant monitoring capability
1) Detect changes in reactivity of core C. Decay Time T.S. 3/4.9.3
1. Reactor suberitical at least 100 hours0.00116 days <br />0.0278 hours <br />1.653439e-4 weeks <br />3.805e-5 months <br />.
2. Applicable during movement of irradiated fuel within vessel.
3. Actions is to stop moving fuel. Issaediate action
4. Bases
a. Ensures adequate decay time for short lived fission products
1) Consistent with accident analyses D. Containment Building Penetrations T.S. 3/4.9.4.
1. All penetrations must bs as follows:
a. Equipment hatch closed, held by at least 4 bolts.
b. At least I door in each airlock closed.
c. All others providing direct access must be:
1) Closed by isolation valve, manual valve, ,

blind flange, or

2) Capeble of being closed by OPERABLE automatic containment ventilation isolation valve.
2. Applicable during CORE ALTERATIONS or movement of irradiated fuel within containment.
3. Action is to stop CORE ALTERATIONS, movement Immediate action of fuel withis containment.

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LO-LP-39213-00 lli. LESSON OUTLINE: NOTES

4. Bases
a. Release to containment restricted from environment
b. Sufficient to restrict release from fuel rupture
1) Lack of pressurization in refueling E. Communications T.S. 3/4.9.5
1. Direct communications between Control Room and refueling station
2. Applicable during CORE ALTERATIONS
3. Action is to suspend CORE ALTERATION Insiediate action
4. Bases
a. Ensure facility staff informed during core alterations .
1) Significant c'hanges in facility status .
2) Changes in core reactivity conditions F. Refueling Machine T.S. 3/4.9.6
1. Refueling machine OPERABLE with:
a. Design rated load on hoist of 3166 lbs (1966 lbs. on gripper)
b. Overload setpoint Refer to T.S.
1) Primary - +250 vet, +350 dry
2) Seesadary - primary setpoint +150
c. Load reduction - -150 wet or dry l 2. Anziliary hoist OPERABLE with:
a. Mini - capacity of 3000 lbs.
b. 1000 lb. load indicator 6

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LO-LP-39213-00 Ill. LESSON OUTLINE: NOTES

3. Applicable during movement of drive rods or fuel assemblies within the vessel
4. Action is to suspend use of the equipment. Insnediate action
a. T.S. 3.0.3 is NA.
5. Bases
a. Ensures
1) Used for movement of RCCA's and fuel assembly
2) Has capacity to lift RCCA's and fuel assembly
3) Core internals protected against excessive lifting force.

G. Crane Travel - Spent Fuel Storage Area T.S. 3/4.9.7

1. Heavy loads prohibited over fuel in pool. Define heavy. load
2. Applicable with irradiated fuel in pool.
3. Action is to place load in safe condition Immediate action
a. T.S. 3.0.3 and 3.0.4 are NA.
4. Bases
a. Ensures that if a load is dropped:

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1) Release limited to single fuel assembly
2) Distortion of fuel will not result in critical array H. Residual Heat Ramsval and Coolant circulation
1. At least 1 RER train OFERABLE and in operation.* T.S. 3/4.9.8.1
s.
  • Footnote - train may be removed from operation for 1. hour out of 8 during CORE i ALTERATIONS near hot legs
b. Applicable in Mode 6, with _ 23 ft of water over vessel flange 7

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LO-LP-39213-00 lil. LESSON OUTLINE: NOTES

c. Actions are:
1) Do not increase decay heat load or reduce Irenediate action boron concentration
2) Initiate corrective actions, return to Immediate action oper'ation ASAP
3) Close containment penetrations within 4 hrs.
2. Two RER trains OPERABLE, one in operation
  • T.S. 3/4.9.8.2
a.
  • Footnote - prior to initial criticality RER Lower (approx. none) train may be removed from operation for i decay heat load.

hour out of 2 during CORE ALTERATIONS near hot legs

b. Applicable in Mode 6 wher, 23 fe over vessel flange.
c. Actions are:
1) With 1 RER tr,ain inoperable.
  • Immediate action a) Initiate corrective actions, or b) Establish water level _ 23 ft over flange
2) With no RER train in operation Immediate action a) Do not reduce RCS C B b) Initiate corrective actions c) Close contai m t penetrations within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />
3. Bases i
a. , At least one RER train in operation
1) Sufficient cooling to remain below 140*F
2) Sufficient circulation to mitigate dilution event 8

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l LO-LP-39213-00

'_ lil. LESSON OUTLINE: NOTES

b. Two RER trains with less than 23 feet
1) Need single failure criteria a) 23 feet of water provides heat sink I. Containment Ventilation Isolation T.S. 3/4.9.9
1. Containment Ventilation Isolation System must be OPERABLE.
2. Applicable during CORE ALTERATIONS or movement of irradiated fuel within containment.
3. Action is to close all ventilation penetrations. Immediate action
a. T.S. 3.0.3 and 3.0.4 are NA.
4. Bases
a. Ensures penetrations isolate
b. Minimize release to environment .

J. Water Level - Reactor VesseI

1. MaAntain _ 23 ft of water over vessel flange T.S. 3/4.9.10.1
a. Applicable during movement of irradiated fuel within containment.
b. Action is to suspend fuel movement within Imediate action the vessel.
2. Maintain _23 feet over irradiated fuel within T.S. 3/4.9.10.2 vessel.
a. Applicable in Mode 6 when moving control rods within vessel
b. Action is to stop moving control rods within Imediate action vessel
3. Bases
a. Ensures sufficient water depth available
1) Remove 99% of 10% iodine gap activity released during rupture of irradiated fuel 9
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LO-LP-39213-00 lil. LESSON OUTLINE: NOTES l

K. Water Level - Spent Fuel Pool T.S. 3/4.9.11 i

1. Maintain _ 23 ft water over irradiated fuel stored in pool. )
2. Applicable when irradiated fuel in pool. ,
3. Action is to stop moving fuel and crane operations Immediate action over the pool and restore level within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />.
a. T.S. 3.0.3 and 3.0.4 are NA.

III. Summaary A. Boron Concentration B. Instrumentation C. Decay Time D. Containment Building Penetrations E. Communications .

F. Refueling Machine G. Crane Travel - Spent Fuel Storage Building H. Residual Heat Removal and Coolant Circulation I. Centainment Ventilation Exhaust System J. Water Level - Reactor Vessel K. Water Level - Storage. Pool IV. PRACTICAL EXERCISE l A. Exercise #

1. Provide the students with the following information.
a. Calculated SDN is 5.3%
b. RCS wide range temperature is 102'F.
c. RCS Boron concentration is 2063 ppe. .
d. Refueling canal boron concentration 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> after head removal is 1980 ppe.

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LO-LP-39213-00 Ill. LESSON OUTLINE: NOTES

2. What actions are required by Tech. Specs? When?
a. Stop CORE ALTERATIONS, positive reactivity changes
b. Initiate
  • boration at _ 30 spa of _ 7000 ppa boron B. Exercise #2
1. Provide the students with the following information,
s. Unit at 100% power following first refueling outage.
b. Fuel transfer canal gate seal mechanism removal and replacement in progress.

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c. You are the Licensed Operator operating the SF Bridge Crane.
d. You are directed to move the gate to a storage area which will require traversing .

over the spent fue,1 storage racks. - --

2. What are your actions?
a. Do not move the gate from its present location, or
b. Place it in a safe condition.

(Not over spent fuel)

C. Exercise #3 i 1. Provide the students with the following l information:

a. Unit in Mode 6.
b. IBR Train 'A' in operation.
c. ' RCS wide range temp. approx. 100*F.
d. Reactor water level is 24 ft over the fuel assemblies.
e. The Refueling Machine auxiliary hoist operator is in process of disengaging control rod drive mechanisms.
f. 'A' DG is out of service for maintenance.

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LO-LP-39213-00 5 Ill. LESSON OUTLINE: NOTES

2. A fault on the grid results in 'A' RAT feeder breaker tripping. What are your actions? What is the Tech Spec. of concern?
a. T.S. 3/4.9.8.2 requires two trains of RHR OPERABLE and one train in operation when water lev'el is < 23 f t above vessel flange.

Required action is immediately initiate corrective action to return to two OPERABLE trains or raise vessel level to > 23 ft above flange. In addition, with no RRR train in operation, do not reduce boron concentration, return one train to operation, and close all containment

. penetrations within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />.

b. Suggested operator actions.
1) Place 'B' RER train in service.
2) Establish reactor vessel level > 23 f t above flange.

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