ML031130257
| ML031130257 | |
| Person / Time | |
|---|---|
| Site: | Hope Creek  |
| Issue date: | 04/01/2003 |
| From: | Reid J Public Service Enterprise Group |
| To: | Conte R NRC/RGN-I/DRS/OSB |
| Conte R | |
| References | |
| 50-354/03-301 50-354/03-301 | |
| Download: ML031130257 (14) | |
Text
X . . c sqcenario Outline Form ES-D-1 F nppendix D, Scenario No.: 1 Op Test No.: 1 Facility: Hope Creek Candidates: LSRO Examiners:
LSRO LSRO LSRO Objectives: Evaluate applicants' response to a CRD Mechanism leak. Discuss the effects of lowering fuel pool level. Demonstrate knowledge of method to stop CRDM leak from above with CRB Initial Conditions: Operational Condition 5, core alterations in progress. All Control Rods are inserted except rod 30-31. The CRDM for 14-23 has been replaced after rebuild. The Reactor Mode Switch is Operable and locked in Refuel position. All SRMs are operable. Shutdown Margin requirements are met.
Turnover: You are the Refueling SRO. Control Rod Blade 14-23 needs to be removed and replaced from the reactor core using the Frame Mounted Aux Hoist. All fuel has been removed from the cell. A double blade guide is installed. The Control Rod Blade 14-23 is full out with the CRDM uncoupled from under-vessel.
Event No.
Malf.
No.
1 I
Event Type*
Event Description Evaluator Guide 1 SRM A fails to zero (0) cps Reviews Tech Spec 3.9.2 for SRM Operability.
Determines core alterations may continue for 14-23.
2 N/A N Removal of the Control Rod Meets Tech Spec 3.9.10.1 Blade. requirements for a single control rod removal.
Discusses Restricted Core Operations Form (RCOF) to continue.
- Remove double blade guide.
- Remove fuel support piece.
- Uses CRB Grapple on Frame Mounted Aux Hoist to remove CRB.
HC LSRO ES 1 Rev. 12/17/02 Page 1 of 2
9 7 3 NA M Under vessel crew reports water Recognizes cavity level would pouring out 14-23 CRDM flange. be lowering and takes actions They are unable to stop the of HC.OP-AB.COOL-0004 Fuel leak. Pool Cooling.
-Evacuates the Refuel Floor
- Notifies Control Room.
- Notifies Reactor Engineer.
- Notifies Radiation Protection.
Recognizes that the CRB needs to be placed back into the guide tube to bottom in order to stop leak. (Not required for full credit) 4 N/A M Reactor Engineer and OS Puts CRB back into guide tube concurs with placing CRB back and lowers to the bottom to stop into guide tube. the leak.
- (N)ormal, (R)eactivity, (I)nstrument, (C)omponent, (M)ajor HC LSRO ES 1 Rev. 12/17/02 Page 2 of 2
1 EventNo.: 1 Page 1 of2 Op-Test No. HO LSRO HC LSRO_ Scenario No.
Scenario No. 1 Event No.: 1 Page 1 of 2 Initial Conditions: Operational Condition 5, core alterations in progress. All Control Rods are inserted except rod 30-31. The CRDM for 14-23 has been replaced after rebuild. The Reactor Mode Switch is Operable and locked in Refuel position. All SRMs are operable. Shutdown Margin requirements are met.
Turnover: You are the Refueling SRO. Control Rod Blade 14-23 needs to be removed and replaced from the reactor core using the Frame Mounted Aux Hoist. All fuel has been removed from the cell. A double blade guide was just removed. The Control Rod Blade 14-23 is full out with the CRDM uncoupled from under-vessel. You are at Step 5.3 of HC.RE-FR.ZZ-0002. The Dominion engineering Inc. (DEI) tool with grid guide is attached to the Monorail Hoist.
Event
Description:
SRM A fails to zero (0) cps.
Examiner Cue: SRM A fails to zero (0) cps.
Time [ Position Applicant's Actions or Behavior LSRO Reviews Tech Spec 3.9.2 for SRM Operability.
LSRO *Determines core alterations may continue for 14-23.
LSRO Determines core alterations may continue for quadrants B, C, LSRO Rand D.
LSRO Requests RE to revise move sheets accordingly.
Last printed 01/1 8/2003 3:26 PM Page 1 of 5
Op-Test No. LSRO Scenario No. 1 Event No.: 2 Page 1 of 1 Event
Description:
Removal of the Control Rod Blade.
Examiner Cue:
Continue with Removal of Control Rod Blade 14-23 Time Position Applicant's Actions or Behavior LSRO Determines Tech Spec 3.9.10.1 for a single control rod removal are met.
LSRO Reviews Restricted Core Operations Form (RCOF)
Fuel Support Piece Removal using the Fuel Support Grapple Ref: HC.RE-FR.ZZ-0002 5.3 Step 5.3.1.A is already completed LSRO *Ensure the ENGAGE push-button on the hoist pendant is DEPRESSED and the RED light is NOT illuminated.
LSRO Using the Monorail hoist controls, position the fuel support grapple above the upper grid. Align the grapple with the grid diagonal.
Cue: Grapple is aligned. l LSRO Lower the grapple through the gria.
LSRO Lower the grapple into position above the FSP LSRO Lower the grapple through the coolant holes of the FSP.
Continue lowering until the cable goes slack. Verify the engage air supply is on.
Cue: Cable is slack; Engage air supply is on.
LSRO *Verify the AMBER Light is on.
Cue: Amber light is on.
LSRO Raise hoist and Verify engagement of FSP by observing weight increases to approximately 130 pounds.
Cue: Hoist reads 130 pounds.
LSRO *Slowly raise hoist until Amber signal is extinguished Cue: The Amber light is extinguished.
LSRO Continue raising the hoist.
Last printed 01/18/2003 3:26 PM Page 2 of 5
Op-Test No. LSRO Scenario No. 1 Event No.: 2 Page 1 of 2 Time Position l Applicant's Actions or Behavior LSRO *Raise the FSP to the level of the upper grid. When the FSP has cleared the grid then move to a storage location.
Cue: The Fuel Support Piece will remain on the hoist.
LSRO Control rod Removal using Control Rod Grapple.
Ref: HC.RE-FR.ZZ-0002 5.5 LSRO Verify that prerequisite 2.16 was completed based on the control rod grapple.
Cue: Prerequisite 2.16 was completed Install grid guide NA (already installed on FSP tool) Step 5.5.3 is NA.
LSRO 5.4.4 Verify Ops that Control Rod is uncoupled from its drive.
Cue: Control Rod 14-23 is uncoupled from its drive.
LSRO Maneuver the refuel platform and aux hoist to obtain direct vertical alignment over the reactor core location where the control rod is to be removed.
LSRO Lower the grapple to a level just above the upper core grid.
LSRO *Depress the DISENGAGE pushbutton.
LSRO Rotate the hoist cable for alignment.
LSRO *Lower the control rod grapple through the upper core grid.
Continue to lower the control rod grapple until the hoist cable is slack.
LSRO *Depress the engage pushbutton.
LSRO Request operations continuously observe the control rod position indication to ensure that the position does not change as the control rod is moved.
l LSRO *Raise the grappled control rod to the hoist upper limit.
Last printed 01/18/2003 3:26 PM Page 3of 5
Op-Test No. LSRO - Scenario No. 1 Event No.: 3 Page 1 of 1 Event
Description:
Under vessel crew reports water pouring out 14-23 CRDM flange.
They are unable to stop the leak.
Examiner Cue: The Under vessel crew reports water pouring out 14-23 CRDM flange.
They are unable to stop the leak.
Time Position Applicant's Actions or Behavior LSRO Recognizes cavity level would be lowering and takes actions of l___ HC.OP-AB.COOL-0004 Fuel Pool Cooling.
LSRO *Evacuates the Refuel Floor of non-essential personnel.
LSRO Notifies Control Room.
LSRO Notifies Reactor Engineer.
LSRO Notifies Radiation Protection.
LSRO Recognizes that the CRB needs to be placed back into the guide tube to bottom in order to stop leak. (Not required for full credit)
LSRO The operator requests to return the CRB to 14-23 cell.
Op-Test No. LSRO Scenario No. 1 Event No.: 4 Page 1 of 1 Event
Description:
Reactor Engineer and OS concurs with placing CRB back into guide tube.
Examiner Cue:
[Time [Position [ Applicant's Actions or Behavior LSRO If operator does not recognize that the CRB needs to be placed back into the guide tube to bottom in order to stop leak, then Cue: Return the CRB to cell 14-23 and lower it full down.
Cue: The Reactor Engineer and operations Superintendent concurs.
LSRO *Operator returns CRB to cell 14-23 and lowers until fully seated to stop leak.
Cue: You have reached the termination point for the scenario.
Last printed 01/18/2003 3:26 PM Page 4 of 5
( ¢ ATTACHMENT 2 RESTRICTED CORE OPERATIONS FORM Refuelinq Outaqe: 11 RCOF No. 1_/ 1 SECTION A SECTION B SECTION C The reactor shutdown margin Control rod has been verified required by Technical The Requirements of The withdrawn control rod is to be in the fully inserted Specification Limiting Technical Specification safety tagged and/or The control rod cell contains position.
CONTROL Condition for.Operas Operation 3.9.10.L1 or 3.9 10.2 administratively controlled to proper control rod supports to LOCATION appropriate, with specified items a, b, d, e, and f are prohibit inadvertent control rod (e.g., double blade guide). core is NOT permitted control rod fully withdrawn is satisfied as appropriate. motion. UNLESS ALL control rods are satisfied fully inserted..
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Annimnriix D Scenario Outline Form ES-D-1
.11--- -
Facility: Hope Creek Scenario No.: 2 Op Test No.: 1 Examiners:_ Candidates: LSRO
_LSRO
_LSRO LSRO Objectives: To evaluate the applicants' ability to recognize and address problems with refueling bridge interlocks. Recognize HC.OP-AB.CONT-0005 IRRADIATED FUEL DAMAGE entry and take required actions.
Initial Conditions: Core Alterations are in progress. A fuel bundle is in the Fuel Prep Machine, being re-assembled.
Turnover: You are the Refueling SRO. Double blade guide 31-28/29-26 is about to be removed from the core.
Event Malf. Event Event Evaluator No. No. Type* Description Guide 1 N/A N Double blade guide removed IAW Grapple is open with proper bail HC.OP-SO.KE-0001 alignment.
Grapple is centered over bail handle.
Grapple is lowered, Slack Cable light comes on.
Hoist position indication is consistent with seated blade guide.
Verifies proper location and orientation then engages grapple.
Grapple Engaged light is lit.
Raises double blade guide.
2 1 C Hoist Jam light comes on. Hoist Lowers hoist until Hoist Jam light movement stops. clears. Stops refueling operation until problem is resolved.
3 N/A M A fuel bundle in the fuel prep Notify Control Room.
machine is being re-assembled.
Several pins that were removed fall Implement actions of HC.OP-into the spent fuel storage rack and AB.CONT-0005 IRRADIATED rupture. FUEL DAMAGE.
Suspends all refueling operations.
HC LSRO ESG 2 Rev. 12/17/02 Page 1 of 2
4 N/A M Refuel Floor Exhaust Hi-Hi Evacuate the refuel floor.
Radiation alarms Recognizes FRVS auto start and Reactor Building Ventilation isolation setpoints.
- (N)ormal, (R)eactivity, (I)nstrument, (C)omponent, (M)ajor HC LSRO ESG 2 Rev. 12/17/02 Page 2 of 2
2 Event No.: 1 Page 1 of 2 Op-Test No. HCLSRO HC LSRO Scenario No.
Scenario No. 2 Event No.: 1 Page 1 of 2 Initial Conditions: Core Alterations are in progress. A fuel bundle is in the Fuel Prep Machine, being re-assembled.
Turnover: You are the Refueling SRO. Double blade guide 31-28/26-29 is about to be removed from the core.
Event
Description:
Double Blade Guide (DBG) 31-28/26-29 removed IAW HC.OP-SO. KE-0001.
Examiner Cue:The Main Fuel Grapple is unloaded and positioned above Double Blade Guide (DBG) 31-28/26-29 in the Full Up position.
Time Position Applicant's Actions or Behavior LSRO *Direct the RPO to LOWER the Fuel Grapple to approximately one foot above the blade guide to be removed by using the Fuel Grapple Hoist control in the LOWER position Ref: HC.OP-SO.KE-0001 5.5 LSRO Direct the RPO to ROTATE the Fuel Grapple so that the grapple hooks are in line with the blade guide handle.
LSRO *Direct the RPO to PLACE the GRAPPLE ENGAGE/RELEASE Switch to the RELEASE to ensure the Fuel Grapple hooks are open, OBSERVE the grapple ENGAGE light off.
LSRO Direct the RPO to Slowly LOWER the Fuel Grapple UNTIL the Fuel Grapple is resting on the blade guide handle. Grapple may be gently twisted to seat on handle LSRO OBSERVE the SLACK CABLE light on.
LSRO ENSURE Fuel Grapple is at required depth by observing HOIST GRAPPLE ELEVATION Digital Readout.
LSRO *PLACE the GRAPPLE ENGAGE/RELEASE Switch in the ENGAGE position to grapple the blade guide AND OBSERVE the GRAPPLE ENGAGE light on.
LSRO CAUTION 5.5.9 DO NOT remove a blade guide from its Reactor Core location if the respective control rod will be left unsupported.
LSRO *Slowly RAISE the grapple blade guide using the Fuel Grapple Hoist Control in the RAISE position.
LSRO OBSERVE the SLACK CABLE light off.
Last printed 01/20/2003 4:50 PM Page 1 of 3
Op-Test No. HC LSRO Scenario No. 2 Event No.: 1 Page 2 of 2 Time Position Applicant's Actions or Behavior LSRO OBSERVE the load cell indicator to ensure the blade guide has been grappled.
LSRO Visually VERIFY blade guide is being lifted.
Op-Test No. LSRO Scenario No. 2 Event No.: 2 Page 1 of 1 Event
Description:
Hoist Jam light comes on. Hoist Movement stops Examiner Cue:
The Double Blade Guide moved upward about one inch when the Hoist Jam light comes on.
Time Position [ Applicant's Actions or Behavior LSRO Direct the RPO to lower the hoist until the Hoist Jam light goes out.
LSRO *Direct the RPO to stop bridge operation until problem can be resolved.
LSRO *Notifies the Control Room of the condition.
LSRO Notifies Maintenance to initiate corrective action.
Last printed 01/20/2003 4:50 PM Page 2 of 3
Op-Test No. LSRO Scenario No. 2 Event No.: 3 Page 1 of 1 Event
Description:
A fuel bundle in the fuel prep machine is being re-assembled.
Several pins that were removed fall into the spent fuel storage rack and rupture.
Examiner Cue: A fuel bundle in the fuel prep machine is being re-assembled. Several pins that were removed fall into the spent fuel storage rack and rupture.
Time Position Applicant's Actions or Behavior LSRO *Notifies the Control Room.
LSRO Implement actions of HC.OP-AB.CONT-0005 IRRADIATED FUEL DAMAGE.
LSRO *Suspends all refueling operations.
CUE. the Spent Fuel Pool Area Radiation Monitor alarms.
LSRO Inform Radiation Protection of the condition.
Op-Test No. LSRO Scenario No. 2 Event No.: 4 Page 1 of 1 Event
Description:
Refuel Floor Exhaust Hi-Hi Radiation alarms.
Examiner Cue:
The Control Room informs you that Refuel Floor Exhaust Hi-Hi Radiation alarms.
[Time Position Applicant's Actions or Behavior l LSRO *Direct the crew to evacuate the refuel floor.
LSRO Recognizes FRVS auto start and Reactor Building Ventilation isolation setpoints.
CUE: You have reached the termination point for the scenario.
Last printed 01/20/2003 4:50 PM Page 3 of 3
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