ML20235R467
| ML20235R467 | |
| Person / Time | |
|---|---|
| Site: | Pilgrim |
| Issue date: | 12/22/1988 |
| From: | BOSTON EDISON CO. |
| To: | |
| Shared Package | |
| ML20235R322 | List: |
| References | |
| 8.7.3, NUDOCS 8903030315 | |
| Download: ML20235R467 (21) | |
Text
{{#Wiki_filter:+ . ~ BOSTON EDISON PILGRIM NUCLEAR POWER STATION Procedure No. 8.7.3 SECONDARY CONTAINMENT LEAK RATE TEST 0 3SO _'E~~ E Approve -
//
Date PantManagE[ I f,' .,9 13'90223 8.7.3 Rev. 25 P 0500 9:3 Page 1 of 21 i 1
~
REVISION LQG Revision Pages Description Level Affnted of Revision 24 All Revised step 19 from " Reopen any valves closed per step 14" to correctly read " Reopen any valves closed per step 16". 25 All Incorporate comments of PCQ NED 88-165. CBSOLETE l 8.7.3 Rev. 25 Page 2 of 21 (
f LIST OF EFFECTIVE PAGE REVISIONS l03SOLETE Page Rev. No. Page Rev. No. Page Rev. No. Page Rev. No. 1 25 2 25 3 25 4 25 5 25 6 25 7 25 l 8 25 9 25 10 25 11 25 12 25 13 25 14 25 15 25 16 25 17 25 ! 18 25 19 25 20 25 21 25 I 8.7.3 Rev. 25 I Page 3 of 21
I. PURPOSI
. Th'e purpose of this procedure is to provide instructions for performing the secondary' containment leak rate test.
II. DISCUSSION This procedure should be performed at each refueling outage prior to refueling as required by PNPS Technical Specification 4.7.C.I.c. III. REFERENCE MATERIAL i A. FSAR, Section 7.1,18 and 12 B. PNPS Procedures
- 1. 2.2.50 Standby Gas Treatment
- 2. 8.7.3.1 Inspection of Secondary Containment Dampers a C. PNPS Technical Specification Section 4.7.C.I.c D. P&ID's N N i
M-280, Heating and Ventilation 1. 2. 3. P&ID M-287, Plant Ventilation P&ID H-321, Fan Room No. 1 OBhN Q gy~
- 4. P&ID M-322, H&V and AC Fan Room No.'3 and 2
- 5. P&ID M-323, H&V and AC Temperature Controls E. NOP-8301, Conduct of Operations F. NED Memo #84-038, corresponds to FS&MC Memo #84-015 G. Vendor Manual V-0529, Pacific Air Products H. Design Changes
- 1. PDC 85-14, Reacter Building Secondary Containment Isolation '
Dampers
- 2. PDC 86-70, Standby Gas Treatment System Modifications I. NRC resolved concern, UNR 83-23-02 J. PCAQ NED 88-165 AI l
l 1 1 8.7.3 Rev. 25 Page 4 of 21 .
. ) i' IV. BEBEOUISITES A.* Hatch Engineer's permission to perform test. B. Turbine Bldg. H&V System operating with 2 exhaust and 2 supply fan in service. Turbine Bldg. operating floor should be less negative than .
.03" H20. and condenser comp. less negative than .03" H20. 1 C. DPI-AA-22 and DPI-AA-32 calibrated.
D. At least one door at each access closed. E. Standby gas treatment system operable. F. All automatic ventilation system isolation dampers operable. 2.5 G. All manometers filled and zerced. H. Secondary containment checkoff (Attachment B) considered and accepted. I. Specific purpose for test performance to be noted in Attachment i 8.7.3A-1, Sec. A.9. J. Hind speed 1 15 mph. V. APPARATUS Q A. Key for test switches OLETE E. Communications equipment VI. EECAUTIONS A. Do not draw over 1" H2 0 vacuum across the reactor building. B. If this test is performed during reactor power operation, do not keep the reactor building isolated longer than 10 minutes as the main steam tunnel temperature will start to rise. C. A reading to the right of zero (downward) on the manometers is l negative. D. An individual base line reading outside of 0 1 0.1" H2O indicates test j results could be influenced and test should not be conducted until ! condition is corrected. l l 8.7.3 Rev. 25 l Page 5 of 21 l l l
VII. EROCf. alee A .- Perform the test as follows: 0 3SO _ I~~ E
- 1. Record ambient conditions.
- 2. Verify or position as required the SGTS as follows:
A Train B Train 1 1 AON 99,106,108 Closed A0N 99,106,112 Closed
/s0N 135,136, Open ADN 135, 136, Open AON 112, Auto A0N 108, Auto 4
- 3. Close the outer Reactor Building Trucklock door and inflate the 4 Ag boot seal.
gS 15 f 4. Open the inner Reactor Building trucklock door.
- 5. Place hand switches for both SGTS fans (Panel C-7) in the OFF position.
- 6. Simultaneously turn both keylocked secondary containment isolation system initiation control switches (RPHA/CS and RPHB/CS on Panel C-7) to the TEST position.
- a. Allow 3 mir.utes for stabilization and take base readings on the 4 manometers in the reactor building elevation 91', and 2 manometers in the Turbine Building Elevation 51'.
- b. Record data on Attachment A and review that average base line is within bounds.
- 7. Prior to resetting test switches, turn all reactor building fan switches on Panel C-61 to the OFF position after noting which fans were operating. ,
- 8. Return the keylocked secondary containment isolation system (
initiation control switches (RPHA/CS and RPHB/CS on Panel C-7) to ' the OFF position.
- 9. Simultaneously turn the keylock reset switches for both reactor ;
building isolation test switches to the reset position. Verify f the Standby Gas Treatment System returns to normal and the i reactor building dampers return to normal. Return the keylock I reset switches to normal and remove the keys. 8.7.3 Rev. 25 Page 6 of 21 ;
I
- 10. Perform the following when testing the A (B) Train:
A Train - Place the fan control switch (on Panel C-7) for the A SGTS fan in the AUTO position. Leave the control switch a for the B fan in the OFF position. B Train - Place the fan control switch (on Panel C-7) for the B SGTS fan in the MAINTENANCE position. Leave the control , switch for the A fan in the OFF position. j ne i When the test switches are tripped, the signal will seal in, the reactor bu11 ding will remain isolated, and the A(B) SGTS fan will remain operating until the system is reset. An SGTS trouble alarm may come in here and may not reset until the completion of the test.
- 11. Simultaneously turn both key l'ocked secondary containment isolation system initiation control switches-(RPHA/CS and RPHB/CS on Panel C-7) to the TEST position. l
- 12. Record time necessary for stabilization of manometer.
- 13. Record following Data on Attachment A:
- a. Hanometer dP readings b.- DP-A-22 dP BSOLE b
- c. DP-AA-32 dP
- d. FI-8126, FI-8127
- 14. Verify Backdraft Dampers operate properly by placing A0N 112/108 in OPEN and by checking the non-operating fan for "back peddle" (Reverse Rotation). Record results on Attachment A. Return damper controls to AUTO.
- 15. 'Close the inner Reactor Building trucklock door but DO E i c.4 90 A5 inflate the boot seal.
W
- 16. Open the outer Reactor Building trucklock door.
25 '
- 17. Take readings per step 12 and 13 for the new door configuration.
- 18. Return the Fan Control Switch for the A SBGT fan to the OFF position and align dampers per Step 2 for the B Train lineup. '
- 19. Repeat Steps 7, 8, 9, 10, 11, 12 and 13 for the B SBGT System Fan in operation.
l l i 8.7.3 Rev. 25 ) Page 7 of 21 l j
ie
. 20. Close the following valves if open:
. SV-5035 A&B 8" Drywell purge inlet SV-5036 A&B 8" Torus purge inlet SV-5042 A&B 8" Torus purge exhaust SV-5044 A&B 8" Drywell purge exhaust
- 21. Return the keylocked secondary containment isolation system inittetton control switches (RPHA/CS and RPHB/CS on Panel C-7) to the OFF position. ,
- 22. Simultaneously turn the keylock reset switches for both reactor building isolation test switches to the reset position. Verify the Standby Gas Treatment System returns to normal and the reactor building dampers return to normal. Return the keylock reset switches to normal and remove the keys.
- 23. Reopen any valves closed per step 20. 16
- 24. Return the reactor building fans and trucklock to normal.
- 25. Return the control switch for the A SGTS fan to the AUTO position and the B'SGTS fan to STANDBY. Return the control switches for A0-N-108 and 112 to the AUTO position.
- 26. Verify all components are returned to normal (two independent verifications required).
ma Independent verifications may be performed by:
- a. Direct method - checking appropriate equipment and/or controls or,
- b. Indirect method - observation of indicators and/or status lights An independent verification need not be performed if a p has the potential of receiving greater than 25 mrem whole body hile p ing l the verification. i QgSOLErc l B. Documentation
- 1. Enter the performance of the test in the Control Room Log,
- 2. Complete the signoff sheet and forward to the Compliance Engineer. j
- 3. Route to Control Room Annex for filing.
8.7.3 Rev. 25 Page 8 of 21 k
- VIII., ACCEPTANCE CRITERIA A. The test was performed as written with no unexplained discrepancies.
4 B. The individual Base Line Readings were equal to 0 1 0.1" H20. j C. AII4"watervacuumonthesecondarycontainmentobtainedwitha l filter train flow rate of gnual to or less than 4000 Scfm as I determined from the perforated plate readings (DPI-AA-22/DPI-AA-32). D. That FI's 8126 and 8127 agree within i 207. of perforated plate dP conversion. (Not Tech. Spec. required.) E. That backdraft dampers proven operable by no reverse rotation of standby fan. IX. ATTACHMENTS A. Secondary Containment Leak Rate Signoff B. Secondary Containment Integrity Checkoff C. SGTS "A" Air Flow Vs Perforated Plate P. D. SGTS "B" Air Flow Vs Perforated Plate P.
#SOLg 8.7.3 Rev. 25 Page 9 of *1 e
i
ATTACHMENT A I Sheet i nf_J l 4 SECONDARY CONTAINMENT LEAK RATE SIGNOFF j i A. Prerequisites (Step IV)
^
- 1. Hatch Engineer permission to perform test. Initial 2 Turbine Building.. H&V System operating at 2 .03 H2 O on opn ating floor and 2 .03" H 2O -
condenser compar' ment; two exhau:t and two gp supply fan in ssn ce. Initial
- 3. DPI-AA-22 and DPI-AA-32 calibrated. Initial
- 4. At least one door at each access closed. Initial MP
- 5. Standby gas treatment system operable. Initial MP i
All automatic ventilation system isolation
~
6. dampers operable or securea in the isolated gp condition. Initial
- 7. All manometers filled and zeroed. Initial JMB
- 8. Secondary containment checkoff considered gp and accepted. Initial
- 9. Specific purpose for test performance is: Initial B. Test Performance Secondary Cont. Leak Rate with R.B. Trucklock doors configured per PCAQ NED 88-165 (8.7.3 Rev. 25)
I ( Hind Direction 340 j Hind Velocity 11 mph (115 mph) Outside Temperature 29 .g Inside Temperature 68 *F ~ SOLg
- 1. Bare Readings (Step 4)
Manometer P Rx Bldg El 91' . N (1) +.06 "HO2 E (2) +.03 "HO2 8.7.3 Rev. 25 Page 10 of 21 m... .. . . . .
. ATTACHNENT A i Sheet 2 of 5 0 i
- W (3) "HO2
. 1 S (4) +.08 "HO2 Average +.04 " H2O (0" 10.1".H 2O)
Elevation 51' Turbine Buildina: Turb op. floor .12 "H2O Condenser Compt. .15 "H2O pc 2. SGTS A Performance Inner Truck Lock Door Open, Outer Door Shut seal 73 j5 inflated. Hanometer Stabilization Time _ " 1 Min. DPI-AA-22 1.4 "H2 0/ 3700 CFM l DPI-AA-32 0 "H2 0/ 0 CFM Total 3700 CFM FI-8126 4000 CFM OBSOLETE Standby fan reverse rotation yes Elevation 91' Rx. Bldo, manometer: fifuit - leit - Corrected
+.06 .40 .46 N (1) "HO 2 " Hp0 "HO 2
+.03 .40 ~*'3 E (2) "HO 2 "HO 2 "HO 2 o .46 .46 H (3) "HO 2 "HO 2 "HO 2 S (4) +.08 "HO .26 .34 2 "HO 2 "HO 2
.42 Average corrected manometer.DP "HO 2 Elevation 51' Turb b1da manometers:
.15 Turb op Floor "H2O
~'I9 Condenser Compt. "HO 2
.03 Net Change from Base Turb "H02
.04 Cond "HO2 i
l 8.7.3 Rev. 25 Page 11 of 21 l l (-
ATTACHMENT A Shaet 3 of 5
' E $
q# 3.. SGTS A Performance Inner Truck Lock Door Shut seal HQI infalated, Outer' g' g Door Open. Y 1.4 u 3700 DPI-AA-22 g20 __CFM ! DPI-AA-32 0 "HO O CFM 2 Total 3700 CFM FI 8126 4000 CFM Standby fan reverse rotation yes no x , Manometer Stabilization Time " 1 Min. Elevation 91' Rx Blda Manometers: Bait - IfuLt - Corrected N (1) +.06 "HO 14 o g20 .20 " HO 2 2 E (2) +.03 "HO .15 " HO 10 " HO 2 2 2 H (3) 0 "HO2 .16 a g20 .16 n g20 S (4) +.08 "HO .10 a g20 .18 " HO 2 2 Average corrected manometer DP .18 "H0 Elevation 51' Turb Blda manometers: - Turb op Floor .10 "H2O
.15 SOLg7g Condenser Compt. r320 Net Change from Base Turb +.02 "HO 2 Cond 0 "HO 2
- 4. SGTS B Performance Inner Truck Lock Door Shut, Outer Door Open, t
DPI-AA-22 "H2O CFM l DPI-AA-32 "H20 CFM Total CFM FI 8127 CFM Standby fan reverse rotation yes no Manometer Stabilization Time Min. 8.7.3 Rev. 25 Page 12 of 21 L_____------------------------_
ATTACHMENT A Sheet 4 of 5 o
. Elevation 91' Rx Bida, manometers:
l Blia - ItuLt = Corrected j N (1) "HO 2 "HO 2 "H02 E (2) "HO 2 "HO 2 "HO2 H (3) "HO 2 "HO 2 "HO2 S'(4) "HO 2 "HO 2 "HO2 Average corrected manometer DP "HO2 Elevation 51' Turb Bida Manometers: Turb op Floor "HO 2 Condenser Compt. "H02 OBSOLg I Net Change from Base Turb "HO 2 , Cond "HO 2
- 5. SGTS B Performance Inner Truck Lock Door Open, Outer _ Door Shut.
DPI-AA-22 "HO 2 CFM DPI-AA-32 "HO 2 CFM Total _ CFH FI 8127 CFH Standby fan reverse rotation yes no Hanometer Stabilization Time Hin. Elevation 91' Rx Blda Manometers: flitil - IfuLt - Corrected
-)
N (1) "HO 2 "HO 2 "HO2 E (2) H 2O "H0 2 "HO 2 H (3) "HO 2 "HO 2 "HO2 S (4) "HO 2 "HO 2 "HO2 l Average corrected DP "H02 8.7.3 Rev. 25 Page 13 of 21
ATTACHMENT A Sheet 5 of 5 Elevation 51' Turb bida manometers: Turb op Floor "HO2 Condenser Compt. "HO2 Net Change from Base Turb "H03 Cond "HO2
- 6. System Returned to Normal: (Two Independent Verifications Required)
R. Stiles _Date 9/22/88 K. Walz Date 9/22/88 Discrepancies: (1) Test terminated after step 3 of Att. A. (2) AON-78 dual light indication when closed. (3) Test does not referen 2.4.147 for reset of Sec. Cont. OBSOLETE
- 7. List Manometer ID number Calibration Date IN 12/22/88 a.
IS
- b. 12/22/88 IE 12/22/88 c.
lW
- d. 12/22/88 Acceptance Criteria, as stated in Section VIII of the procedure was met.
Not acceptable GRA Hatch Engineer Reviewed By CR Anderson Hatch Engineer Test data forwarded to Compliance Eng. by llatch Engineer , Date
- 8. Reporting Compliance Engineer submitted report to the NRC within 90 days.
- Report Letter #
Compliance Engineer Date
- 9. Route to Control Room Annex for Filing.
8.7.3 Rev. 25 Page 14 of 21
. ATTACHMENT.B
. Sheet 1 of 5 o SECONDARY CONTAINMENT CHECK-OFF (By Elevation) The attached check-off sheets provide satisfactory (Sat) or unsatisfactory (Unsat) i check-off for various secondary containment penetrations. Satisfactory check-off i will indicate the following: I
- a. For plugs, hatchs, and doors; seals are in place and provide a positive seal around the perimeters of the seal area. -
- b. For dampers: Linkage system is clean e.nd free of corrosion. Edge seals are in place and not otherwise damaged. Damper position corresponds to its associated switch position on panel C-7.
- c. For drains: valves are lined up to a minimum 207. full collection tank, !
tank covers are installed.
- d. For water level indication, no low water level alarms are present. I Conditions other than those listed require unsatisfactory check-off and discrepancies noted. Repairs to correct deficiencies shall be initiated.
Inspection of electrical penetrations and masonary for the Reactor Building will be accomplished for all walls annually. Verification of these inspections will be noted as satisfactory if all annual inspections are completed. El 3' Reactor Aux. Bay HPCI Floor Blowout caf. Panel & Plugs Sat Unsat_ HPCI Escape Hatch Sat caf. Unsat HPCI Equipment Hatch Sat caf. Unsat Note Discrepancies: OSSOLETE El 6' Radwalle - caf. Miscellaneous Tank Drains Sat Unsat (at least 20% level in tanks) Note Discrepancies: j PASS Area Above Machine Shoo j 2 ventilation dampers between Rx Bldg. & PASS sample station closed.
- Verified RKM f 1
8.7.3 Rev. 25 Page 15 of 21
ATTACHMENT B
..... . She tt 2 of ' 5 J l
El 23' Ructor Bu11dina caf. Truck Lock Inner Door Sat _ Unsat i caf. Unsat Truck Lock Outer Door Sat j X Truck Lock Dampers
- Sat Unsat X Unsat A0-N 114
- Sat
- Sat X Unsat A0-N 115 i'
X A0-N 116
- Sat Unsat X
A0-N 117
- Sat Unsat Personnel Access to Aux. Bay i Inner Door Sat caf. Unsat '
1* Outer 0% r Sat caf. Unsat Personnel Access to Access Control car. 3* Inner Door Sat Unsat 2* Outer Door caf. Sat Unsat Note Discrepancies: 2* holes in wall inside airlock 1* Igr,gcgetweendoorsquestionable (outer door doesn't lock when inner door open) 3* Door with handles has ripped rubber seal MR #88-33-172 Door without handle has loose bottom strip seal OBSOLETE El 51' Reactor Bu11dina Access to MG Set Room f Door "A" Inner Sat caf. Unsat ' caf. Door "A" Outer Sat Unsat Door "B" Inner Sat caf. Unsat caf. Door "B" Outer Sat Unsat , 8.7.3 Rev. 25 Page 16 of 21 ( -.
8 -.
ATTACHMENT B
', Sheet 3 of 5 E1. 51',E,eactor Buildina (cont'd)
Dampers A0-N 90
- Sat Unsat A0-N 91
- Sat X Unsat ;
A0-N 96
- Sat X Unsat A0-N 97
- Sat X Unsat Note Discrepancies:
El 74' Rftutor Bu11dina Access to fan Room 3 Inner Door Sat caf. Unsat Outer Door Sat caf. Unsat i Access to Fan Room 4 I
^
Inner Door Sat Unsat __. Outer Door Sat caf. Unsat Access to Fan Room 5 Inner Door Sat caf. Unsat Outer Door Sat caf. Unsat i Dampers A0-N 78
- Sat X Unsat A0-N 79
- Sat Unsat AD-N 80'
- Sat X Unsat A0-N 81
- Sat X Unsat Note Discrepancies:
] i.-;
i r i L_ 8.7.3 Rev. 25 Page 17 of 21
I * 'b - . . ATTACHMENT B Sheet 4 of 5 E1 91' Reactor Building ) 1 caf. Access to Fan Room 6 Sat Unsat Inner Door Sat- caf. Unsat caf. Outer Door Sat Unsat Dampers X A0-N 82
- Sat Unsat X
A0-N 83
- Sat Unsat Note Discrepancies:
El 117' R uctor Bu11dina i Roof Access (El. 158' - 4 1/4") Inner Door caf. Sat Unsat Outer Hatch Sat car. Unsat Note Discrepancies: OBSOLETE 8.7.3 Rev. 25 Page 18 of 21 i C_--____--_---_--_=---_-_--_.-_-----_ -j
O ' ATTACHMENT 8
- Sheet 5 of 5 El 51' Turbine Buildina Dampers A0-N 92
- Sat x Unsat A0-N 93
- Sat Unsat A0-N 94 Sat Unsat A0-N 95 Sat Unsat )
Note Discrepancies: i R. . Mydd cafarella 12/22/88 Inspected by /Date Signature X HR's issued for repairs as noted Reviewed by PDS /Date 12/22/88 . l , CTE GR Anderson Approved by /Date Hatch Engineer i 1 r . -
)
o OSS0iE75 J l 8.7.3 Rev. 25 l Page 19 of 21 1 i 1 . e ___-__-_______________D
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