ML20076D489

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Procedure 8.7.3, Secondary Containment Leak Rate Test, Containment Results of Leak Rate Tests Performed on 910505 & 0620
ML20076D489
Person / Time
Site: Pilgrim
Issue date: 07/22/1991
From:
BOSTON EDISON CO.
To:
Shared Package
ML20076D486 List:
References
8.7.3, NUDOCS 9107290189
Download: ML20076D489 (46)
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Text

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EfYlil01.16 Pages Revisinn D111 Affected Descriotion 28 5,7-9, Removed requirement to inspect idle train 12-14 core plate D/P instruments per PDC 86-70. EDIT CORR 4/91 4,9 Add PhPS 2.2.125.1 to References and delete retired PNPS 2.4.147, 27 4,15 To address and correct a problem identified by RFI 89-275 and ref. applicable section of Tech. Spec. after step and in Ref. section. 26 All Clarify Procedure and C-7 Reset. 25 All Incorporate comrents of PCAQ NED 88-165. 24 All Revised steo 19 from " Reopen any valves closed per step 14" to correctly read " Reopen any valves closed per step 16". 8.7.3 Rev. 28 Page 2 of 22

i leBLLOLION11tt15 t h0e 1.0 PURPOSE 4

2.0 REFERENCES

4 i 3.0 DISCUSSION S 4.0 PREREQUISITES 5 5.0 APPARATUS 6.0 PRECAUTIONS 6 7.0 PROCEDURE 6 8.0 ACCEPTANCE CRITERIA 9 9.0 ATTACHMENTS 10 ATTACHHENT 1 - SECONDARY CONTAINHENT 11 LEAK RATE SIGNDff ATTACHMENT 2 - SECONDARY CONTAINHENT 16 CHECK-Off (BY ELEVATION) ATTACHMENT 3 - STANDBY GAS TREATHENT SYSTEM 21 PERFORATED PANEL B-4946 6-2 FOR USE IN D-39804 FILTER HOUSE ATTACHMENT 4 - STANDBY GAS TREATHENT SYSTEM 22 PERFORATED PANEL B-49466-1 FOR -USE IN D-39804 f!LTER HOUSE 1 B.7.3 Rev. 28 Page 3 of 22

1.0 PURPOSE The purpose of this procedure is to provide instructions for performing the secondary containment leak rate test. 2.0 REFERENCLS (1) FSAR, Section 5.3 (2) PNPS Procedure.t (a) 2.2.50, " Standby Gas Treatment" (b) 8.7.3.1, " Inspection of Secondary Containment Dampers" 1 (c) 2.2.125.1, "Primar/ and Secondary Containment Isolation Reset" l (3) PNPS Technical Specification $cction 4.7.C.I.c, Table 6.9.1 (RTI 89-275) [43-P& ids (a) H-280, Heating and Ventilation (b) P&!D H-287, Plant Ventilation (c) P&ID H-321. Tan Room flo.1 (d) P&ID H-322, H&V and AC fan Room No. 3 and 2 (e) PLID H-323, H&V'and AC Temperature Controls (5) NOP-8301, Conduct of Operations (6) NED Hemo #84-038, corresponds to FS&HC Heno #84-015 (7) Vendor Hanual V-0529, Pacific Air Products (8) Design Changes (a) PDC 85-14. Reactor Building Secondary Containment Isolation Dampers. (b) PDC 86-70, Standby Gas Treatment System Hodifications (c) PDC 88-53, Reactor Building Trucklock Door Mechanical Seal [9] NRC resolved concern, UNR 83-23-02 [10) PCAQ NED 88-165 8.7.3 Rev. 28 Page 4 of 22

3.0 MSClliSJDN 1 This procedere should be performed at each refueling outage prior to refueling as required by PNPS Technical Specification 4.7.C.1.c. or as required for post wor 6 testing. 4.0 12ERIOUl511t5 (1) Hatch Engineer's permission to perform test. MIL The Turbine Building should be at a slight negative pressure (-0.1 to -0.2 inches H30) with respect to atmosphere as read on the manometers next to PanelC6D. (2) Turbine Bldg. H&V System operating with 2 exhaust and 2 supply fans in i service. Roof exhausters in operation as required. i [3] DP]-AA-22 and DPI-AA-32 calibrated and initially reading 0" H 0. -1 2 (4) At least one door at each access closed. [5] Standby gas treatment system operable. (6) All automatic ventilation system isolation dampers operable or secured in the isolated condition. (7) All manometers filled and zeroed. (B) Secondary containment chectoff (Attachment 2) considered and accepted. [9] Specific purpose for test performance to be noted in Attachment 1. [10) Hind speed is less than or equal to 15 mph. i 5.0 APHJBIV5 (1) Key for test switches (2) Communications equipment 8.7.3 Rev. 28 Page 5 of 22 ~ - - -

4 i 6.0 ERECAL!Il085 (1) Do not draw over 1" H O vacuum across the reactor butiding. 2 [2] If this test is performed during reactor power operation, do not lect the reactor building isolated longer than 10 minutes as the main steem tunnel temperature will start to rise. (3) A reading to the right of zero (downward) on the manometer $ is negative. (4) An individual base line reading outside of 0 s 0.1" H O indicates test 2 results could be influenced and test should not be conducted until condition is corrected. 7.0 ERDCEDUBE PERFORM the test as follows: [1] RECORD ambient conditions. (2) VERIFY OR Pos! TION as required the SGTS as follows: A. Train ILInir (a) AON 99, 108 Auto (Closed) ADN 106, 112 Auto (Closed) (b) ADN 135, 136, Open ADN 135, 136, Open (c) ADN 98, 138 Auto (Closed) ADN 101, 137 Auto (Closed) (3) CLOSE the outer Reactor Building Tructiock door AND INFLATE the seal. L4) OPEN the inner / tactor Building trucklock door. (5) PLACEhandsw0fchesforbothSGTSfans, VEX-210AandVEX-210B,(Panel C-7) in the "Off" position. 8.7.3 Rev. 28 Page 6 of 22

7.0 P.R0010UA[ (Continued) M01E When the test switches are tripped, the signal will seal in and the Reactor Building will remain isolated. The SG15 fans will not start until manipulated by this procedure. An SGIS trouble alarm may come in and not reset until Completion of this test. [6] SIRILTANEOUSLY TURN both keylocked secondary containment isolation system initiation control switches (RPWA/CS and RPWD/CS on Panel C-7) to the " TEST" position. (a) ALLON.3 minutes for stabilization AND TAKE base readings on the 4 manometers in th reactor building elevation 91', AND 2 manometers in the Turbine b ilding Elevation 51'. (b) RECORD data on Attachment 1 AND REVIEN that average base line is within bounds. -(0 s 0.1" H O) 2 [7] AE1[R noting which fans were operating, TURN all Reactor building fan switches on Panel C-61 to the "Off" position. [8] PLACE the fan control switch (on Panel C-7) for VEX-210A (A SGTS fan) in the "AUT0" position. LEAVE the control switch for the B fan in the

  • 0FF" position.

[9] VER!fY dampers AON-99 AND AON-108 reposition to the OPEN position. [10) REGULATE MON-109 as required such that flow is maximized but dces not exceed 4000 CFM. [11) ALLON the manometers to stabilize AND RECORD the approximate time necessary for stabilization on Attachment 1. [12] RECORD the following data on Attachment 1: (a) Manometer dP readings. (b) -DP-AA-22 dP D (c) fi-8126/8127 [13) PLACE the f an. control switch (on Panel C-7) for VEX-210A (A SGTS fan) in the "Off" position. [14) CLOSE the inner Reactor Butiding Trucklock door but DO M01 IMFLA10 the seal. [PCAQ NED 88-165) [15) OPEN the outer Reactor Building Trucklock door. EPCAQ NED 88-1651 l l [16) PLACE the f an control switch (on Panel C-7) for VEX-210A ( A SGTS f an) in the "AUT0" position. LEAVE the control switch for the B fan in the "Off" position. 8.7.3 Rev. 28 Page 7 of 22

7.0 ERQCEDUR[ (Continued) (17) REGULATE HDN-109 as required such that flow is maximized, but does not exceed 4000 CFM. (18] ALLOH the manometers to stabilize and RECORD the approximate time necessary for stabilization on Attachment 1. (19) RECORD the following data on Attachment 1: (a) Hanometer dP readings (b) DP-AA-22 dP A'* (c) F1-8126/8127 (20) PLACE the fan control switch (on Panel C-7) for VEX-210A (A SGTS fan) in the "0FF" position. [21) VERIFY the damper control switches (on Panel C-7) for ADN-99 AND AON-108 in the "AUT0" positi^n and the dampers indicate CLOSED. [22) PLACE the fan control switch (on Panel C-7) for VEX-2105 (B SGTS fan) in the " MAINTENANCE" position. LEAVE the control switch for the A f an in the "0FF" position. [23) VERIFY dampers AON-106 AND AON-112 reposition to the OPEN position. [24) REGULATE MON-113 as required $Uch that flow is maximized but does not exceed 4000 CFM. [25) ALLOH the manometers to stabilize AND RECORD the approximate time necessary for stabilization on Attachment 1, [26) RECORD the following data on Attachment 1: ~~ (a) Hanometer dP readings (b) DP-AA-32 dP (c) F1-8126/8127 (27] PLACE the f an control switch (on Panel C-7) for VEX-210B (B SGTS f an) in the "0FF" position. [28) CLOSE the outer Reactor Butiding Truckloch door AND INFLATE the seal. [29) OPEN the inner Reactor Building Truchloci door. [303 PLACE the fan control switch (on Panel C-7) for VEX-210B (B SGT5 fan) in the " MAINTENANCE" position. LEAVE the control switch for (he A fan in the "0FF" position. [31) REGULATE MON-113 as required such that flow is maximized but does not exceed 4000 CFM. [32) ALLOH the manometers to stabilize AND RECORD the approximate time necessary for stabilization on Attachment 1. 8.7.3 Rev. 28 Page 8 of 22

i 7.0 PROCEDURE (Continued) i (337 RECORD the following data on Attachment 1. (a) Manometer dP readings (b) DP-AA-32'dP (c) FI-8126/8127 (343--PLACE the fan control switch (on Panel C-7) for VEX-210B (B SGTS fan) in the "0FF" position. [35) RESET the secondary containment isolation per PNPS 2.2.125.1. [36) RE1 URN the SBGTS to normal line-up per PNPS 2.2.50. (37) VERIFY all components are returned to normal (Independent verification f required). hQII Independent verification may be performed by: a. Direct method - checking appropriate equipment and/or controls 08 b. Indirect method - observation of indicators and/or status lights An independent-verification need not be performerif a person has the potential of receiving greater-than 25 mrem whole body while performing i - the verification. [38] Documentation (a) ENTER the performance of the test in the Control Room Log. (b) COMPLETE the signoff sheet 6HD FORWARD to the Compliance Engineer. [ (c) ROUTE to Control Room Annex for filing. 8.0 ' ACCEPTANCE CRITERIA (1) -The test was performed as written with no unexplained discrepancies, j [2] The individual Base Line Readings were equal to 0 1 0,1" H 0. 2 8.7.3 Rev. 28 Page 9 of 22 w wefrya + p,y, weru ,4m oug-yp-y ayy,pe.--..,,q_ -y, _,4,y,way,-t9W+-7'7T'et P TP-'9-+'t

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E 8.0 ACCEf1AtiCLCRIIM16 (Continued) [3] A 1/4" water vacuum (average corrected value) on the secondary containment obtained with a filter train flow rate of egutListrr 1(11 .iban_4000_CEF as determined from the perforated plate readings (DPI-AA-22/DPI-AA-32). [4] That FIs 8126 and 8127 agree within i 20% of perforated plate dP conversion. (Not Tech. Spec. reautred.) 9.0 ATTACHHENTS ATTACHMENT 1 - SECONDARY CONTAINMENT LEAK RATE SIGNOFF ATTACHMENT 2 - SECONDARY CONTAINMENT INTEGRITY CHECK 0FF ATVACHMENT 3 - SGTS "A" AIR FLOW V5 PERFORATED PLATE P. ATTACHMENT 4 - SGTS *B" AIR FLOW V5 PERFORATED PLATE P. ( 8.7.3 Rev. 28 Page 10 of 22

Aiihliiii[IU 1 _ SheeL LoL L _ SECONDARY CONTAINMENT L[AK RAl[ SIGNDFF (1) Pre. ysisites (Section 4.0) (A) Hatch Engineer permission to perform test. Initial D W-(B) Turbine Building, HLV System operating two exhaust and two supply fans in service. Roof exhausters as required. Initial P 1: M-(C) DPI-AA-22 and DPI-AA-32 calibrated. Initial J P G-(D) At least one door at each access closed. Initial H ll-(E) Standby gas treatment system operable. Initial ._ P1M_ (F) All automatic ventilation system isolation darrpers operable or securtd in the isolated condition. Initial 31 11 - (G) All manometers filled and Zerced. Initial R H-(H) Secondary containment ched off considered and accepted. Initial P l: M __ (1) Specific purpose for test performan:e is: Initial _ M H-(2) Test Performance To verify secondary containnient. integrity prior to ino H reloading of fuel, Per PNPS Technical yneciTication 4 & L L t. Hind Direction 180 Der.rees Hind Velocity 4 mph (115 mph) Outside Temperature 81 'F Inside Temperature 72 +r (A) Base Readings Hanometer P Rn Bldg El 91' N (1) +.015 Ho u .00 E (2) ___ " HO 2 8.7.3 Rev. 28 Page 11 of 22

ATTACHH[NT 1 _She t L 2_.cf _$ _

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H;0 ~* Average " H;0 (0" 10.1" H;0) LltX6. tion 51' TudJnt_htilding: Turb op, floor "H O 2 +* Condenser Compt. "H;0 (B) SGTS A Performance Inner Truck Lott Door Open. Outer C in d sint i inflated. Manometer Stabilization Time _Hin. "H 0/__ 2000 CFM 31 DPI-AA-22_ .4 2 00 m0 F1-8120/8127 j CFM Lit.tailon.JJ ' Ry. Bldg a paomgitI: leit Belt COI1111rd -.72 + '0l5 ~' N (1) ,' H 0 "HO H;0 2 .69 .0 ~ E (2) ,gg H;0 HO 2 ~* ~' H (3) "HO ." H O H;0 2 2 .80 ~*" ~ $ (4) "H0 "H0 H0 2 2 2 Average corrected manometer DP 715 "HO 2 Eleyation 51' Trib_A11r._m4AQmtitu: Turb op Floor +.07 aH O 2 Condenser Compt. +.07 " H;0 8.7.3 Rev. 28 Page 12 of 22 miniero J

~ I, ATTACHMENT 1 Sheet Erf 5 (C) 5GTS A Performance._ Inner Truck Lock Door Shut seal E01 inflate'd, Outer Door Open. '37 1900 OPJ-AA-22 "HO CTM 3) 2 FI 8126/8127 3900 / 3852 CFM .r 5 Min. - Manoinete'r Stabilization Time Elevation 91' Rx Bldo Manomettn: Corrected 311g IfLt-N (1) .80 "HO +.nts "HO m:s "HO 2 2 2 E (2) .78 "HO .n "HO - n _"HO 2 2 2 .76 +.025 .785 H (3) "HO "HO g20 a 2 2 HO S (4) -.86 "HO .noo "HO m 2 2 2 .785 Average corrected manometer DP "HO2 Elevation 51' Turb Bldo manometers: .Turb op Floor +.10 "H O 2 +.09 Condenser Compt. ,, H O 2 L (0) SGTS B Performance Inner Truck Lock Door Shut, seal ELT inflated, Outer Door Open. DPI-AA-32 . 40 "H O anon CFM n 2 l' FI 8126/8127 3950 / 3800 CFM Manometer Stabilization Time 4 Min. l' l-l ( l i= i I I l Ll 8.7.3 kev. 28 Page 13 of 22 l

ATTACHMENT 1 Shtet 4 of 5 Ilfyjlt_t on 91 ' Rx Blda. manorneters : Grrected Eng leit l y0 +.015 " H 0 .735 "HO N (1) .72 a 2 2 H30 .0 " H,0 .69 " H,0 E (2) - ;69.1 c 2 g20 .735 H;o W (3) - 71 HO +.025 a a ii 0 .701 y20 099 S (4) -.80 HO a 2 2 715 g20 a Average corrected manometer DP Elevation 51' Turb Blda Manometers: Turb op Floor +.08 "HO 2 Condenser Compt. +.08 "HO2 (E) SGTS B Performance Inner Truck Lock Door Open, Outer Door Shut seal inflated. I y,o 1800 CFM OPI-AA-32 .35 a t FI 8126/8127 3950 / 3800 CFH Hanometer Stabilization Time 3 Min. Elevation 91' Rv Bldo Manemeters: Qrrected Eng Igit h0 .725 N (1) 71 H0 +.015 HO 2 2 2 g20 .68 g20 E (2) .68 HO .0 a a y20 .715 H;0 y (3) .69 H0 +.025 a a 2 y20 .661 g (4) .76 HO .099 HO a a 2 .695 "HO Average corrected DP 2 8.7.3 R e '. 28 Fage 14 of ::

~ _ ~ 7__.._ ATTACHMENT 1 Sheet 5 of 5 Elevation 51' Turb bido_ manometers: -Turb op Floor +.09 _" H O 2 Condenser Compt. +.08 _. " H O 2 (F) SystempeturnedtoNormal: (Independent Verificatici Required) R. !!aislett /D. Williams Date 6/20/91 Discrepancies: WRT #015988 on FI 8126/8127 Reading y + 20% of DPI-AA 22/32 MR 19103116 Acceptance Criteria, as stated in Section 8.0 of the procedure was met. D. Williams Hatch Engineer Reviewed By D. Williams Hatch Engineer Test data forwarded to Compliance Eng. by Hatch Engineer Date 6/20/91 (G) Reportina (Per Technical Specification Table 6.9.11 Compliance Engineer submitted report to the NRC within 90 days. William Munro 7/22/91 Report Letter _# 91-93 Compliance Engineer Date (H) Route to Control Room Annex for Filing. 1 a.7.3 Rev. 28 l Page 15 of 22

ATTACHMENT 2 Sheet I of 5 SECONDARY CONTAINHENT CHECK-Off (By Elevation) The attached check-off sheets provide satisfactory (Sat) or unsatisfactory (Unsat) check-off for various secondary containment penetrations. Satisfactory chetL-off will indicate the following: a. For plugs, hatches, 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 and 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 20% full collection tant, tank covers are installed. d. For water level indication, no low water level alarms are present. 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' REAttor Aux._ lay HPCI Floor Blowout Panel & Plugs Sat. X Unsat HPCI Escape Hatch Sat X Unsat HPCI Equipment Hatch Sat X Unsat Note Discrepancies: El 6' RAdwaste 1 Miscellaneous Tank Drains Sat X Unsat Note Discrepancies: PASS Area Above MaClLlDL_SllPS 2 ventilation dampers between Rx Bldg. & PASS sample station closed. Verified JN 8.7.3 Rev. 26 Page 16 of 22

c4 ATTACHMENT 2 % hest 2 of 5 El ' 23' Etattor_Bv11 ding Truck Lock-Inner Door Sat x-Un s a t _. Truck Lock Outer Door Sat x Unsat Truck Lock Dampers Sat x Unsat AO-N 114. Sat x Unsat A0-N.ll5 Sat x Unsat A0-N 116 Sat x Unsat A0-N 117 Sat x Unsat Personnel Access to Aux. Bay Inner Door Sat. x Unsat Outer Door Sat x Unsat i Personnel Access to Access Control i e Inner Door Sat (see nnom Unsat i X Outer Door Sat Unsat Note Discrepancies: Door 58 - Seal Deteriorated WRT 015278 t El 51' Reactor Buildina l-Access to MG Set Room X Door "A" Inner Sat. Unsat X Door "A" Outer Sat Unsat X Door "B" Inner Sat Unsat X I Door "P" Outer Sat Unsat 8.7.3 Rev. 28 Page 17 of 22 l

ATTACHMENT 2 _ Shfle_t__1_of__5__ E1. 51' Rettior_ Building _Lcont'dl Dampers A0-N 90 Sat X Unsat AD-N 91 Sat X Unsat A0-N 96 Se X Unsat A0-N 97 Sat X Unsat Note Discrepancies: El 74' Reat tor Buildj_rtg Access to fan Room 3 Inner Door Sat X Unsat Outer Door Sat X Unsat Access to Fan Room 4 Inner Door Sat X Unsat Outer Door Sat X Unsat Access to Fan Room 5 Inner Door Sat X Unsat ~ ~~ Outer Door Sat X Unsat Dampers A0-N 78 Sat X Unsat A0-N 79 Sat X Unsat A0-N 80 Sat X Unsat AO-N 81 Sat X Unsat Note Discrepancies: 8.7.3 Rev. 28 Page 18 of 22

ATTACHMENT 2-Sheti 4 of $ El 91' E nsfor Buildino Access to fan Room 6 Sat-X Unsat Inner Door-Sat X Unsat 1 Outer Door Sat X Unsat Dampers AO-N 82 Sat X Unsat AO-N 83 Sat X Unsat Note Discrepancies: Seal loose on inner door MR 90-56-33 El 117' Rntfor Building. Roof Access (E1, 158' - 4 1/4") Inner Door Sat X Unsat Outer Hatch Sat X Unsat Note Discrepancies: l 8.7.3 Rev. 28 Page 19 of 22

. ATTACHMENT 2 ,l. 8hett.hAf3 El 51 '. IurMne_Bu1111Ag Damper s;- A0-N 92-Sat X Unsat AO-N 93 Sat x Unsat AO-N 94 Sat x Unsat AO.N 95 Sat x Unsat Note Discrepancies: F Jnspected by 3. cnifn/ 3. Owens /Date 6/19L91 Signatute MR's issued for repair $_ WRT - 013278 as noted MR 90-56-53 Reviewed by W. clancy /Date_6]20/91 CTE Approved by P.E. Mastannelo /Date 6/20/91 Watch Engineer J 8.7.3 Rev. 28 Page 20 of 22

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I ATIACHMENT 12-Sheet 1 of 2 l.__ NHE SURVEILLANCE TEST REVIEH-f This Form is to be completed for any' surveillance test which is intended to meet Technical Specification items MQ requires NHE review after completion. Procedures 2.).15, 2.1.16, 2.1.12.1, and 2.1.12.2 are exempt from this review.- If the surveillance ~ test is complete without discrepancies, this form is NOT. requirer' Surveillance Procedure Number 8.7.3 Date 6/20/91 - 1, Review the surveillance test for exceptions, notes, or discrepancies. If-there are ANY exceptions, notes, or discrepancies or the NHE desires ~ dditional review, then the STA or NOS shall review the surveillance test a;per the-criteria of Step 2. - 2. -- Review of Discrepancies: -The STA-(SCRE).or NOS shall document the discrepancy (s) and the-review performed'to determine acceptance or rejection of the test. -Cognizant staff-engineers or supervisors in the discipline affected may be' required to assist in the review, a. Record the-discrepant condition: Use procedure and step number if appropriate. FT Al?6 &'Al?7 did not rond whithin + 907 nf MRCT DPT-AA-??A19 uh41n, -performing 8.7.3 b. Does the condition affect Tech Spec requirements? Yes [ ] No [x] Tech' Spec (s) considered T.S. 4.7.C.I.C Explain basis of decision: (Tech Spec not required) c.= Does the condition 'revent restoration of the component, device,-or system to operab'

atus as defined in Tech Spec definition 1.0.E?

Yes ( 3-No (x) .d. Does the condition. leave the Surveillance test incomplete with ~ respect to the component or system tested? Yes [ ] No (x3 -Note-that Surveillance tests used for post work testing of specific components may be only partially completed, IE the subsection of the procedure ~itself is complete AND the partial test is not used to -take credit for the entire periodic surveillance test. 1.3.34 Rev. 30 Page 63 of 68

l, ~ ATTACHMENT 12 ~ Sheet 2 of 2 e. Are there any associated system or Plant impacts such as incomplete logic channels or unmonitored trip instruments? Yes [ ] No (X) Specify associated effects: ,y f. [] If the discrepancy or incomplete steps affect compliance with MSTP commitments, initiate a failure and Halfunction (F&M) Report to document the portion of the surveillance which must be reperformed and attach the HSTP node printout to the F&M. Then annotate the master copy of the Heekly Division Schedule located in the Control Room Annex with the completion date and initials in the appropriate spaces. F&H LCO HR [] If discrepancies do not impact commitments, the HSTP may be updated. Reviewer comments or concerns: WRT 019988 l l l References used for this review: f Cognizant Engineer / Supervisor (if participant) Signature This surveillance has been reviewed for discrepancias and it is concluded that the discrepant condition is: Not Acceptable [] Acceptable [X] Review performed by. R. Geracle 6/20/91 SCRE/STA or NOS Date NHE concurrence with revicw results D. Williams 6/,20/91 NHE Date This form is to be filed with the Surveillance test reviewed as part of the permanent record. 1.3.34 Rev. 30 Page 64 of 68

~: - y 9 *. BOSTON EDISON PILGRIM NUCLEAR POWER STATION Procedure No. 8.7.3 SECONDARY CONTAINMENT LEAK RATE TEST p p- <-{ggggsCDP ( gg 9,1 $@ \\ ssuED /' '\\ of getor3 g d$lh - { / g$EY $?tn}}9 % " ~ p,n hh ~ - 1, / Approved /)QAMadgerMysN[1

  1. ~

/fkj Date Ak .[ fM Approved /1 / Plant Manager. Date Safety Review R W /Not Required 8.7.3 Rev. 28 Page 1 of 22

...~ -.~ ~_.... -.._. _ ..E .,4 0],-['A REVISION LOG 5; . ' gj j Tl.. .Pages Revision Djtig Affected Description 1-28 5,7'9, -Removed requirement to inspect idle train I?-14 core plate 0/P instruments per PDC 86-70. EDIT CORR 4/91 4,9 Add PNPS 2.2.125.1 to References and delete retired PNPS 2.4.147. 27 4,15 To address and correct a problem identffied 3 by RFI 89-275 and ref applicable sect'on-of. Tech. Spec. after step and in Ref. section. 26 All Clarify Procedure and C-7 Reset.. i. l 25 ' All-Incorporate comments of PCAQ NED 88-165. .P 24 All-Revised step 19 from " Reopen any-valves closed per step 14" to correctly read c " Reopen any valves closed per step 16". I-4 i i; I m L 1. I 8.7.3 Rev. 28 Page 2 of 22 . =. - -. a.

=. - -.. 4,. 16BLE OF CONTENTS Eigt 1.0 . PURPOSE 4

2.0 REFERENCES

4 13. 0 DISCUSSION 5 -; 4. 0 PREREQUISITES 5 5.0 APPARATUS S . 6,0 PRECAUTIONS 6 7.0 PROCEDURE 6 8.0 ACCEPTANCE CRITERIA 9 9.0 ATTACHMENTS 10 ATTACHMENT 1 - SECONDARY CONTAINMENT 11 LEAK. RATE SIGNOFF ATTACHMENT 2 - SECONDARY CONTAINHENT 16 CHECK-0FF (BY ELEVATION) ATTACHMENT 3 - STANDBY GAS TREATMENT SYSTEM 21 PERFORATED PANEL B-4946 6-2 FOR USE IN D-39804 FILTER' HOUSE . ATTACHMENT 4 - STANDBY GAS TREATMENT SYSTEM 22 PERFORATED PANEL B-49466-1 FOR ~ USE IN 0-39804 FILTER HOUSE i L i-B.7.3 Rev. 28 Page 3 of 22

1.0- PURPOSE The purpose of this procedure is to provide instructions for performing the secondary containment leak rate test.

2.0 REFERENCES

[1] FSAR, Section 5.3 [2] PNPS Procedures (a) 2.2.50, " Standby Gas Treatment" (b) 8.7.3.1, " Inspection of Secondary Containment Dampers" (c) 2.2.125.1, " Primary and Secondary Containment Isolation Reset" l [3] PNPS Technical Specification Section 4.7.C.I.c, Table 6.9.1 [RFI 89-275] [4] P& ids (a) H-280, Heating and Ventilation (b) P&ID H-287, Plant Ventilation (c) P&ID H-321, Fan Room No. 1 (d) P&lD H-322, H&V and AC Fan Room No. 3 and 2 (e) P&ID H-323. H&V and_AC Temperature Controls [ , 5] N0P-8301, Conduct of Operations [6] NED Hemo #84-038, corresponds to FS&HC Memo #84-015 [7] Vendor Manual V-0529, Pacific Air Products [8] Design Changes (a) PDC 85-14, Reactor Building Secondary Containment Isolation Dampers (b) PDC 86-70, Standby Gas Treatme i. System Modifications (c) PDC 88-53, Reactor Building Trucklock Door Mechanical Seal [9] NRC resolved conce.*n, UNR 83-23-02 [10] PCAQ NED 88-165 8.7.3 Rev. 28 Page 4 of 22

t ~. - 3.O DISnlSSELN l This procedure should be performed at each refueling outage prior to refueling as required by PNPS Technical Specification 4.7.C.l.c, or as required for post work testing. 4.0 PRERE001 SITES [1] Hatch Engineer's permission to perform test. DE The Turbine Building should be at a slight negative pressure (-0.1 to -0.2 inches H O) with respect to atmosphere as read on the manometers next to 2 Panel C60. [2] Turbine Bldg. HLV System operating with 2 exhaust and 2 supply fans in service. Roof exhausters in operation as required. [3] DPI-AA-22 and DPI-AA-32 calibrated and initially reading 0" H 0. f' 2 [4] At least one door at each access closed. [5] Standby gas treatment system operable. [6] All automatic ventilation system isolation dampers operable or secured in the isolated condition. [7] All manometers filled and zeroed. [8] Secondary containment checkoff (Attachment 2) considered and accepted. [9] Specific purpose for test performance to be noted in Attachment 1. [10) Hind speed is less than or equal to 15 mph. 5.0 APPARATUS [1] Key for test switches [2] Communications equipment I 8.7.3 Rev. 28 l Page 5 of 22

6,0 ERECAU110NS 1 (1) Do not draw over 1" Hp0 vacuum across the reactor building. [2] 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. [3] A reading to the right of zero (downward) on the manometers is negative. [4] An individual base line reading outside of 0 s 0.1" H O ledicates test 2 results could be influenced and test should not be conducted until condition is corrected. 7.0 PRDCEDURE PERFORM the test as follows: [1] RECORD ambient conditions. [2] VERIFY QB POSITION as required the SGTS as follows: A Tra.1D B Train (a) AON 99, 108 Auto (Closed) AON 106, 112 Auto (Closed) (b) AON 135, 136, Open AON 135, 136, Open (c) ADN 98, 138 Auto (Closed) AON 101, 137 Auto (Closed) [3] CLOSE the outer Reactor Building Trucklock door AMD INFLATE the seal. L4) OPEN the inner Reactor Building trucklock door. [5] PLACE hand switches for both SGTS fans, VEX-210A and VEX-210B, (Panel C-7) in the "0FF" position 8.7.3 Rev. 28 Page 6 of 22

- - ~ _. -... - . ~ - '7.0L PROCEDURE (Continued) N01E When the test switches are tripped, the signal will seal in and the Reactor Building will remain isolated. 'he SGTS fans will not-start until manipulated by this procedure. An SGTS trouble alarm may come in and not reset until completion of this test. F [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) ALLON 3 minutes for stabilization AMD TAKE base readings on the 4 manometers in the reactor building elevation 91', 6HD 2 manometers in the Turbine Building Elevation 51'. (b) RECORD data on Attachment 1 AMD REVIEN that average base line is within bounds. (0 t 0.1" H O) 2 [7] AEIER noting which fans were operating, TURN all Reactor building f an switches on Panel C-61 to the "0FF" position. (8) PLACE the fan control switch (on Panel C-7) for VEX-210A (A SGTS fan) in the "AUT0" position. LEAVE the control switch-for the B fan in the "0FF" position. [9] VERIFY dampers AON-99 AND AON-108 reposition to the OPEN position. [10] REGULATE MON-109 as required such that flow is maximized but does not exceed 4000-CFM. [11] ALLON the manometers to stabilize AJH) RECORD the approximate time necessary for stabilization on Attachment 1.. [12] RECORD the following data on Attachment 1: (a) Manometer dP readings, iS (b) DP-AA-22 dP i "s (c) FI-B126/8127 [13] PLACE the fan control-switch (on Panel C-7) for VEX-210A (A SGTS fan) in the "0FF" position. -[14] CLOSE the inner Reactor Building Trucklock door but DQ MQI INFLATE the seal. [PCAQ NED 88-165] [15] OPEN the outer Reactor Building Trucklock door. [PCAQ NED 88-1651- [16] PLACE the fan control switch (on Panel C-7) for VEX-210A (A SGTS fan) in the "AUT0" position. -LEAVE the control switch for the B fan in the "0FF" position. 8.7.3 Rev. 28 -Page 7 of 22

s M .Y. - 7. 0-PROCEDURE (Continued) (17) REGULATE MON-109.as required such that flow is maximized, but does not t exceed 4000 CFM. [18) ALLON the manometers to stabilize and RECORD the anproximate time necessary for stabiltration on Attachment 1. '[19) RECORD the following data on Attachment 1: (a) Manometer dP readings (b)' DP-AA-22 dP 2% (c) F1-8126/8127 [20) PLACE the fan control switch (on Panel C-7) for VEX-210A (A SGTS fan) in the "0FF" position. [21) VERIFY the damper control switches (on Panel C-7) for A0N-99 AND AON-108 in the "AUT0" position and the dampers indicate CLOSED. [22) PLACE the f an control switch (on Panel C-7) for VEX-210B (B SGTS f an) in the " MAINTENANCE" position. LEAVE the control switch for the A fan in the "0FF" position. [23) VERIFY dampers AON-106 AND AON-112 reposition to-the OPEN position. l[24] REGULATE MON-113 as required such that flow is maximized but does not exceed 4000'CFM. -[25] ALLON the manometers to stabilize AND RECORD the approximate time necessary for-stabilization on Attachment 1. [26) RECORD the followtqp data on Attachment 1: (a) Manometer dP readings (b). DP-AA-32 dP= (c) FI-8126.'S127 [27) PLACE the' fan control switch (on Panel C-7) for VEX-210B (B SGTS f an) in-the "0FF" position. [28] CLOSE the outer Reactor Building Trucklock door AMD INFLATE the seal. [29);0 PEN the inner Reactor Building Trucklott door. [303 PLACE the fan control switch (on Panel C-7) for VEX-210B (B SGTS fan) in the." MAINTENANCE" position. LEAVE the control switch for the A fan in the "0FF" position. [31) REGULATE MON-113 as required such that flow is maximized but does not exceed 4000 CFM. [32] ALLON the manometers to stabilize AHD RECORD the approximate time necessary for stabilization on Attachment 1. 8.7.3 Rev. 2S Page 8.of 22 ~

s. f.- 4 I.0/ PROCEDURE (Continued) [33) RECORD _the following data on Attachment 1: 4~ (a)- Manometer dP readings (b) DP-AA-32 dP (c) FI-8126/8127 [34) PLACE the fan control switch (on Panel C-7) for VEX-210B (B SGTS fan) in the "0FF" position. [35) RESET the secondary containment isolation per PNPS 2.2.125.1. [36) RETURN the SBGTS to normal line-up per PNPS 2.2.50. [37) VERIFY all components are returned to normal (Independent verification required). EQII l Independent verification 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 person has the potential of= receiving greater than 25 mrem whole body while performing

-l the: veri fication.- [38) Documentation -(a). ENTER the performance of-the test in the Control Room Log. (b) _ COMPLETE the_signoff sheet @_Q FORWARD to the Compliance Engineer, I (c) ROUTE to Control-Room Annex for filing. 8.0. ACCEPTANCE CRITERIA [1]. The test was' performed as written with no unexplained discrepancies. -[23' The individual Base Line Readings were equal to 0 1 0.1" H 0, 2 8.7.3 Rev. 28 Page 9 of 22

8.0 ACCLPTANCE CRITERIA (Continued) [3] A 1/4" water vacuum (average corrected value) on the secondary

  • containment obtained with a filter train flow rate of EQuil_to_cr len iht!LAQDQ_ Chi as determined from the perforated plate readings (DPI-AA-22/DPI-AA-32),

(4) That FIs 8126 and 8127 agree within 2 20% of perforated plate dP conversion. (Not Tech, Spec. required.) 9.0 ATTACHMMTS ATTACHMENT 1 - SECONDARY CONTAINMENT LEAK RATE SIGNOFF -ATTACHMENT SECONDARY CONTAINMENT INTEGRITY CHECKOFF ATTACHMENT 3 - SGTS "A" AIR TLOW VS PERFORATED PLATE P. ' ATTACHMENT 4 - SGTS "B" AIR FLOH VS PERFORATED PLATE P. 9 8.7.3 Rev. 28 Page 10 of 22

ATTACHMENT 1 8 Shtef 1 of 5 l SECONDARY CONTAINMENT LEAK RATE SIGNOFF [1] Prerequisites (Sectior 4.0) (A) Hatch Engineer primissico to perform test. Initial (B) Turbine Building, HfN System operating two exhaust and two supply fans in service. Roof exhausters as required. Initial V M-(C) DPI-AA-22 and DPI-AA-32 calibrated. Initial J B-(D) At least one door at each access closed. Initial V M-(E) Standby gas treatment system operable. Initial V M-l (f) All automatic ventilation system isolation l dampers operable or secured in the isolated condition. Initial V M-(G) All manometers filled and zerced. Initial J B-(H) Secondary containment checkoff considered and accepted. Initial V M-l (I) Specific purpose for test performance is: Initial V M- [2] Test Performance To verify secondary containment integrity prior to RF0 8 fuel offload per PNPS Technical Specification

  • C' Hind Direction 355 Degrees Hind Velocity 10 mph (115 mph)

Outside Temperature 47 'F Inside Temperature 70 'F (A) Base Readings l Manometer P Rx Bldg El 91' N (1) +.05 H,0 a E (2) +.06 a g20 8.7.3 Rev. 28 Page 11 of 22

ATTACHHENT 1 sheet 2 of 5 _ W (3) .03 a g20 S (4) +.07 g20 a +.04 H O (0" 10.1" H 0) Average 2 2 Elevation 51' Turbine Building: .12 "H O Turb op. floor 2 Condenser Compt. 13 "H O 2 (B) SGTS A Performance Inner Truck Lock Door Open, Outer Door Shut seal inflated. Manometer Stabilization Time 17 Min. "H 0/ 3800 CFM d '; DPI-AA-22 1 37 2 F1-8126/8127 3800 f 3803'FM Elevation 91' Rx. Bldg. manometer: Teit S1, Lie Corrected 2 ii y20 .46 N (1) .41 HO +.05 a n yo H0 48 HO +.06 E (2) .42 u HO 2 2 2 y20 .51 g20 .03 W (3) .54 u a HO 2 HO ~ 48 HO +.07 S (4) 41 " HO 2 2 2 .483 "HO Average corrected manometer DP___ 2 Elevation 51' Turb Bldg manome'ign: Turb op Floor .12 d0 2 Condenser Compt, 13 "HO 2 8.7.3 Rev. 28 Page 12 of 22

ATTACHMENT 1 Shttt 3 of 5 (C) SGTS A Performance Inner Truck Lock Door Shut seal R01 inflated, Outer Door Open. 1.35 3900 OPI-AA-22 .' H O CFM 31 2 3800 3800 FI 8126/8127 / CFM .08 Manometer Stabilization Time Min. Elevation 91' Rx Bldg Muon.eters: J111 Mt C.orrected .36 +.05 ~ '4I N (1) "HO "HO "HO 2 2 2 +.06 ~ '43 E (2)__ ~ *37 -H O "HO "HO 2 2 2 .5 .03 ~ *47 H-(3) "HO "HO H O 2 2 2 .36 +.07 ~ '43 ,- (4) .. H O .HO "HO 2 2 2 .435 Average corrected manometer DP "HO 2 E l e v a t i on 51 ' T t'I.h_EMg ma nome t e r s : Turb op floor .12 "H O 2 Condenser Compt. - *13 ~ "H O 2 (D) SGTS B Performance Inner Truck Lock Door Shut, seal 1QI inflated, Outer Door Open. DPI-AA-32 ,, H O CFM 'n 1.42 3900 2 3900 3900 FI-8126/8127 / CFM .16 Manometer Stabilization Time Min. l 8.7.3 Rev. 28 Page 13 of 22

l* ATTACHMENT 1 Sheet 4 of 5 I Elevation 91' Rx Bldo. manomelgn: 1t11 BAlt Corrected = N (1) .53-HO +.05 2 g20 .58 a a g20 g20 +.06 "HO .60 "HO E (2) .54 a 2 2 .03 "HO .64 "HO H (3) .67 a g2o 2 2 go +.07 "HO .61 S (4) .54 a y 2 "H0 .608 Average corrected manometer DP

  • g29 Elevation 51' Turb Bldo Hanometers:

Turb op Floor

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-.12 "HO Condenser Compt. 2 (E) SGTS B Performance Inner Truck Lock Door Open, Outer Door Shut seal inflated. OPI-AA-32 1 37 "HO CFM I'T 3900 2 3900 3900 FI 8126/8127 / CFM Manometer Stabilization Time . 16

Min, Elevation 91' Ry Bldo Manometers:

1t11 Halt Corrected .35 g20 +.05 "HO "HO Nl(1). .30 a 2 2 .40 HO +.06 "HO "HO E (2) 34 2 2 2 '47 H.(3) .50 "HO .03 2 "HO "HO 2 2 .40 $ (4) 33 "-H 0- +.07 "HO "HO 2 2 2 .405 Average corrected DP "H0 l l l l. y l 8.7.3 Rev. 28 i Page 14 of 22 1 i1.-.

ATTACHMENT 1

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__She eth_OLL_ Elen11olL51L_Iurl_bidimanomelen : Turb op Floor. .11 "HO 2 Condenser Compt. - *14 H O 2 (F) System Returned to Normal: (Independent Verification Required) vincent Mannnten Date s /5 /SL_ Discrepancies: 9 Acceptance Criteria, as stated in Section 8.0 of the procedure was met, T. Trenanier Watch Engineer Reviewed By T. Trenanter Watch Engineer Test data forwarded to Compliance Eng, by Watch Engineer Date_1Jiay_91 (G) Reporting '[Per Technical Specification Table 6.9.1) Compliance Engineer submitted report to the NRC within 90 days. l W. Munro 7/22/91 Report Letter /t 91-93 Compliance Engineer Date (H) Route to Control Room Annex for Filing. 8.7.3 Rev. 28 Page 15 of 22 1

ATTACHMENT 2 1 ShfAt 1 of 5 SECONDARY CONTAINMENT CHECL-OFF (By Elevation) The attached check-off sheets provide satisfactory (Sat) or unsatisfactory (Unsat) check-off for various secondary containment penetrations. Satisfactory check-off cill indicate the following: a. For plugs, hatches, 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 and free of corrosion. Edge seals are in place and not otherwise damaged. Damper position corresponds to its associated switch position on panel C-7. FO. orains: valves are lined up to a minimum 207, full collection tann, s. tank covers are installed. d. For water level indication, no low water level alarms are present. Conditions other than those listed require unsatisfactory check-off and discrepancies noted. Repairs to correct deficiencies shall be initiated. Inspection of electrical penetrations aid masonary for the Reactor Building will be accomplished for all walls annually, Verification of these inspections ill t'e w noted as satisfactory if all annual inspections are completed. El 3' Re ntor Auv. Bay HPCI Floor Blowout Panel & Plugs Sat X Unsat HPCI Escape Hatch Sat x Unsat HPCI Equipment Hatch Sat x Unsat Note Discrepancies: El 6' Raiwnte Miscellaneous Tank Drains Sat x Unut Note Discrepancies: Tank covers on miscellaneous tank dastalled but not bolted PASS AretabMf_BEMat_ Shop 2 ventilation dampers between Rx Bldg. & PASS sample station closed. Verified DW 8.7.3 Rev. 28 Page 16 of 22

ATTACHMENT 2 Shett 2 of 5 _ El 23' RentoLBull. ding Truct Loct Inner Door S a t._ _X Unsat Truck Lock Outer Doo, Sat X Unsat i Truct Lock Dampers Grt X Unsat AO-N 114 Sat X Unsat A0-N 115 Sat __ X Unsat AO-N 116 Sat X Unsat AO-N 117 Sat X Unsat Personnel. Access to Aux. Bay Inner Door Sat X Unsat Outer Door Sat X Unsat. Personnel Access to Access Control Inner Door S a t__ _ X Unsat Outer Door Sat X Unsa+ Note Discrepancies: 1 l - El 51' BeAc.ioLBuildine Access to MG Set Room l Door "A" Inner Sat X Unsat. Door "A" Outer Sat X Unsat. i Dear "B" Inner Sat X Unsat Door "B" Outer Sat X Unsat l 8.7.3 Rev. 28 Page 17 of 22

ATTACHM(NT ___S he e.t_LoLi_ E1. 51' BeaticLEU11di.ng_Lcon11dl Dampers AO-N 9D Sat _ y Unsat A0-N 91 Sat X Unsat AD-N 96 (OPEN) $at X Vnsat AD-N 97 (OPEN) Sat X Unsat P Note Discrep6ncies: El 74' ReittcLSullitng Access to Fan Room 3 Inner Door Sat _ X Unsat Outer Door Sat X Unsat Access to fan Room 4 Inner Door Sat X Unsat Outer Door Sat X Unsat Access to fan Room 5 Inner Door Sat X Unsat ~- Outer Door Sat X Unsat. Dampers A0-N 78 Sat X Unsat A0-N 79 Sat X Unsat L i-AO-N BD Sat X Unsat l AO-N 81 Sat X Unsat l Note Discrepanties: l. 8.7.3 Rev, 28 Page 18 of 22

ATTACHMENT 2 _She tL 4_oLL._ E191' HeRicLh11 din 9 Access to fan Room 6 Sat. X Unsat Inner Door Sat X Unsat _ _ _ Outer Door Sat X Unsat l Dampers A0-N 82 Sat x Unsat A0-N 83 Sat.,_ v_ Unsat Note Discrepancies: 4 E4 117 ' teatto"_BVllding e Roof Access (El. 158' - 4 1/4") Inner Door Sat X Unsat Outer Hatch Sat X Unsat Note Discrepancies: t ? l 8.7.3 Rev. 28 Page 19 of 22 L

7_-_____. ATTACHM[N1 2 o ___Shtt L LO L 1 _ + [1 51 ' lutb.inL3Ulld!ng i Dahiper s A0-N 92 Sat y Unsat A0-N 93 Sat v Unsat 1 AO-N 94 Sat v. Unsat A0-N 95 Sat v Unsat Note Discrepancies: r Inspected by_

k. Mcderlos/V. Magnatta

/Date 5/5/91 Signature i MR's issued for repairs as noted Reviewed by T. Trepanin for /Date. 5/5/91 CTE Approved by T. Trepani" /Date_ 5/5/91 Hatch Engineer t-8.7.3 Rev. 28 Pags 20 of 22

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