ML20050B367
| ML20050B367 | |
| Person / Time | |
|---|---|
| Site: | Point Beach  |
| Issue date: | 03/26/1982 |
| From: | Fay C WISCONSIN ELECTRIC POWER CO. |
| To: | Harold Denton Office of Nuclear Reactor Regulation |
| References | |
| TAC-07711, TAC-08404, TAC-7711, TAC-8404, NUDOCS 8204050254 | |
| Download: ML20050B367 (18) | |
Text
o Wisconsin Electnc mmcoumr 231 W. MICHIGAN. P.O. BOX 2046. MILWAUKEE, WI 53201 March 26, e
O) 9 h
Mr. H.
R.
Denton, Director Ellrgg Office of Nuclear Reactor Regulation f
g Q
E U. S. NUCLEAR REGULATORY COMMISSION Washington, D. C.
20555 q
p
Dear Mr. Denton:
Cu
/
DOCKET NO. 50-266
SUMMARY
TECHNICAL REPORT OF TYPE "A",
"B",
AND "C" CONTAINMENT LEAK TESTS POINT BEACH NUCLEAR PLANT, UNIT 1 In accordance with Section 15.4.4.I.D of the Point Beach Nuclear Plant Technical Specifications and Section V.B of 10 CFR 50, Appendix J, the following summary technical reports are submitted on Type "B" and "C" leak tests during the Unit 1 refueling shutdowns of October 1974 through November 1977, September 1978 through October 1978, October 1979 through November 1979, and November 1980 through December 1980; on the Type "A" test, during the Unit 1 October 1981 refueling shutdown.
The Type "A" test was performed by Quadrox Corporation, Tulsa, Oklahoma.
We have reviewed and approved their report and have enclosed a summary report prepared in accordance with the format specified in ANSI /ANS 56.8-1981.
The complete report including all procedures, equipment calibrations, test data, and results will be retained by Wisconsin Electric and is available for your review if you so desire.
A routine announced NRC inspection by Messrs.
D.
L. Robinson and I.
N. Jackiw was conducted during the performance of the Type "A" integrated leak rate test.
No items of noncompliance or deviations were identified.
Type "B" and "C" tests are summarized at the conclusion of this transmittal. f' O\\
h sW B204050254 820326 PDR ADOCK 05000266 P
Mr. H.
R. Denton March 26, 1982
SUMMARY
OF DATA The overall leakage of the Type "A"
test was.0335%
by weight per day of the containment atmosphere, or 16% of the allowable rate.
This includes the addition of the local tests of those penetrations which were not vented during the conduct of the Type "A"
test in accordance with Appendix J to 10 CFR 50, Section III.A.l.d.
The overall "as-found" leakage of Type "B" and "C" tests conducted during the 1977 refueling was 130,413.5 cc/ minute, or 56.4% of 0.6 La described in Section III.C.3 of Appendix J to 10 CPR 50.
After repairs, the overall leakage was 7,112.5 cc/ minute, or 3.1% of 0.6-La.
The overall "as-found" leakage of Type "B" and "C" tests conducted during the 1978 refueling was 12,995 cc/ minute, or 5.6% of 0.6 La.
After repairs, the overall leakage was 6,473 cc/
minute, or 2.8% of 0.6 La.
The overall "as-found" leakage of Type "B" and "C" tests conducted during the 1979 refueling was 185,761 cc/ minute, or 80.4% of 0.6 La.
After repairs, the overall leakage was 6,803 cc/ minute, or 2.9% of 0.6 La.
The overall "as-found" leakage of Type "B" and "C" tests conducted during the 1980 refueling was 277,699 cc/ minute, or 120.2% of 0.6 La.
After repairs, the overall leakage was 5,749 cc/ minute, or 2.5% of 0.6 La.
All Type "B" and "C" test results obtained between the aforementioned refueling periods and prior to the Type "A" test of October 1981 comprise Enclosure 1.
All similar test data l
obtained during each of the aforementioncd refueling periods comprise Enclosure 2. contains comments made in regard to all "as-found" leakage rates which approach or exceed 0.6 La. provides a summary report of the Type "A" test performed during the October 1981 refueling shutdown.
Very truly yours, f
l Yf Assistant Vice President C. W. Fay Enclosures I
Copy to NRC Resident Inspector
Sheet No. 1 TYPE "B" TESTS PERFORMED BETWEEN REFUELINGS TS-10 Lower Personnel Hatch 01-05-74 358 cc/ min TS-10 Upper Personnel Hatch 01-05-74 888 cc/ min TS-10 Lower Personnel Hatch 07-12-78 1,232 cc/ min TS-10 Upper Personnel Hatch 07-08-78 1,493 cc/ min l
TS-10 Lower Personnel Hatch 01-04-79 36 cc/ min l
TS-10 Upper Personnel Eatch 01-04-79 47 cc/ min l
TS-10 Lower Personnel Hatch 07-12-79 1,106 cc/ min TS-10 Upper Personnel Hatch 07-13-79 388 cc/ min TS-10 Lower Personnel Hatch 01-17-80 3,000 cc/ min TS-10 Upper Personnel Hatch 01-05-80 8,000 cc/ min TS-10 Lower Personnel Hatch 07-03-80 780 cc/ min TS-10 Upper Personnel Hatch 07-04-80 15,000 cc/ min
- TS-10 Upper Personnel Hatch 07-06-80 480 cc/ min TS-10 Lower Personnel Hatch 12-31-80 1,074 cc/ min TS-10 Upper Personnel Hatch 01-09-81 447 cc/ min TS-10 Lower Personnel Hatch 07-21-81 1,300 cc/ min TS-10 Upper Personnel Hatch 07-22-81 626 cc/ min
- Retest After Maintenance ORT #
Penetration Date Title Leakage (sccm)
I1I 71 E58 07-14-81 Electrical 0
I1I 72 E28 07-14-81 Electrical 0
~
(1) Electrical penetrations E58 and E28 were newly installed during July, 1981.
Due to their design, they, unlike all other'elec-trical penetrations, require a leak test per 10 CFR 50 Appendix J.
O
Sheet No. 2 TYPE "C" TESTS PERFORMED BETWEEN REFUELINGS ORT #
Penetration Date Title Leakage (sccm) 62 V1 11-02-77 Purge Exhaust 112 63 V2 11-02-77 Purge Supply 246 62 V1 02-07-78 Purge Exhaust 50 63 V2 02-06-78 Purge Supply 123 62 V1 04-20-78 Purge Exhaust 0
63 V2 04-20-78 Purge Supply 116 62 V1 05-30-78 Purge Exhaust 178 63 V2 05-30-78 Purge Supply 2
62 V1 03-18-79 Purge Exhaust 36 63 V2 03-18-79 Purge Supply 34 62 V1 08-04-79 Purge Exhaust 470 63 V2 08-04-79 Purge Supply 1,580 62 V1 08-18-79 Purge Exhaust 5,000 gy) 63 V2 08-18-79 Purge Supply Failed 63(2)
V2 08-18-79 Purge Supply 360 62 V1 09-01-79 Purge Exhaust 1,855 63(2) 1)
V2 09-01-79 Purge Supply Failed 63(
V2 09-01-79 Purge Supply 840 62 V1 12-21-79 Purge Exhaust 252 63 V2 12-21-79 Purge Supply 266 62 V1 04-04-80 Purge Exhaust 43 63 V2 04-04-80 Purge Supply 203 62 V1 08-07-80 Purge Exhaust 65 63 V2 08-06-80 Purge Supply 116 62 V1 07-15-81 Purge Exhaust 116 63 V2 07-15-81 Purge Supply 120 (1)
Could not hold test pressure.
(2)
Retest after maintenance.
l I
G
(
Encloaure 2 Shsot No. 9
,p NOTES:
(For "B" and "C" Test Results) 1.
Modification E-167, completed October 2, 1978, removed the containment isolation signal from the steam generator blowdown and sample valves; leak testing of these valves in therefore, "No longer required under Appendix J."
2.
This leak test is only required during refueling periods following Type "A" containment pressure testing.
3.
C. W.
Fay to II. R. Denton letter dated May 2, 1960 committed to put the containment isolation signals back on the steam generator blow-down and sample valves but not test them per Appendix "J."
4.
Electrical penetrations E21 and E22 were installed during Refueling 8 and required leak testing per Appendix "J."
i 4
m..
Sheet No. 1 COMMENTS ON VALVES WITII LEAKAGE APPROACIIING OR EXCEEDING 0.6 LA AT STANDARD TEMPERATURE PRESSURE ORT #49 (1979)
Service air, supply check valve found leaking at 160,000 cc/ min.
The valve disc was re-placed and the valve cover remachined. After maintenance, leakage indicated 20 cc/ min.
ORT #69 (1980)
Check valve 755B, component cooling water to the "B" reactor coolant pump was found leaking at 194,000 cc/ min.
The valve seat and clapper were relapped.
After maintenance I
leakage indicated 530 cc/ min.
l 1
l
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Enclosuro No. 4 REACTOR CONTAINMENT BUILDING INTEGRATED LEAKAGE RATE TEST FOR POINT BEACH UNIT 1 1.0 GENERAL DATA 1.1 Owner Wisconsin Electric Power Company 1.2 Docket Number 50-266 1.3 Location Two Rivers, Wisconsin 1.4 Containment Description 3)' pre-stressed post-tensioned concrete cylinder with 1" welded ASTM A-442 steel liner.
1.5 Date Test was completed October 14, 1981 2.0 TECHNICAL DATA 2.1 Containment Net Free Volume 1,000,000 cubic feet 2.2 Design Pressure 60 psig 2.3 Design Temperature 286*F 2.4 Calculated Accident Peak Pressure (Pac) 53 psig
~
2.5 Calculated Accident Peak Temperature (Tac) 286*F 3.O TEST DATA 3.1 Test Method Absolute
EncloIura No. 4 Page 2 3.2 Data Analysis Technique Mass point 3.3 Test Pressure 30 psig 3.3 Maximum Allowable Leak Rate (La) 0.4% per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> 3.5 Calculated Leakage Rate at Upper Confidence Limit (UCL) 0.0680% per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> 3.6 Heasured Leak Ram (LatQ 0.0293% per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> 4.0 VERIFICATION TEST 4.1 Calibrated Leak Superimposed 0.1423% per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> 5.0 ANALYSIS & INTERPRETATION The third periodic Type "A" Integrated Leakage Rate Test (ILRT) of the Point Beach Nuclear Plant Unit 1 Containment was performed October 12-15, 1981, with satisfactory rev)lts. The testing program was conducted in accordance with the requirements of the Point Beach FFDSAR Chapter 15, " Technical Specifications", paragraph 4.4 containment Tests.
The testing instrumentation system was composed of temperature and humidity readout devices and humidity / sensors different from those used during the preoperational test and previous inservice tests. The new instrumentation system components were used-in order to expedite the data taking process.
l The test procedure and the data'-analysis computer program were provided j
by Quadrex Corporation. The duration was shortened from 12 to 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> based on the adequacy of both the preoperational and following periodic tests performed on the containment.
To verify the results, an " induced leakage rate" approximately equal to the maximum allowable operational leakage rate was superimposed on the actual leakage rate at 30 psig, l
The absolute value of the total measured leakage rate (Lm =.0293) was one l
percent of the allowable operational leakage rate (Lto =.212).
The instru-ment error analysis shows this measurement system to have an accuracy of i
.0140 percent leakage rate per day at a 95 percent confidence level.
The i
absolute value of the difference between measured leakage from the Type "A" test data and measured leakage from verification. test data was.0305.
I I
l l
I l
Enclorurs No. 4 Paga 3 The elapsed times, the least squares leakage rate, the 95 percent confidence level rate, total time leakage rate, and the total leakage are tabulated below:
TABULATION OF CALCULATED PARAMETERS Test 30 psig CILRT 30 psig verification Time 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> 81 hours Least Squares Im =.0293%/ day Le =.2021%/ day Lm =.0598%/ day Icakage Rate 95% Confidence
=.0680%/ day
=.2302%/ day
=.0877%/ day Leakage Rate Total '1.me
=.0723%/ day
=.1646%/ day
=.0224%/ day Leakage Rate Total Leakage
.0249%
.0583%
=.0079%
This column represents leakage rates based upon the leakage measured during the verification added to the induced leakage of.1423%/ day.
6.0
SUMMARY
OF EVENTS 6.1 General Due to the test configuration of the containment, nine penetrations were not subjected to the 30 psig Type "A" test pressure. These nine penetrations, justification, and Type "C" test results are identified below:
Penetration Justification Type "C" Results l
CVCS Supply Line In use to control primary 3 seem
(#26) system pressure CVCS Letdown Line In use to control primary 25 sccm
(#10) sy.9 tem pressure l
RCP "A" Seal In-Maintain flow of clean 4 sccm jectior. Line (#29A) water through RCP seals RCP "B" Seal In-Maintain flow of clean 17 scem jection Line (#29B) water through RCP seals I
RCP Seal Return Maintain flow path for 4,000 seem
(#11) seal leakage i
I
Enclosura No. 4 Page 4 Penetration Justification Type "C" Results Service Air Line
!bdified to allow for 145,000 seem*
(#33C) containment depressuri-(6 secm) zation Containment Pres-Modified to provide a 1 scem sure Channels 945 pressure point for Type and 946 (31A)
"A" test purposes Auxiliary Charging Proper venting of line 7 seem.
Line (#32C) is not possible when seal injection lines are in use.
Reactor Makeup Proper venting of line is 1 sccm Water Line (#30C) not possible without securing entire reactor makeup water header, which would affect Unit 2.
- Prior to modifying this penetration to perform the test, the leakage was measured at 145,000 secm.
The valve was subsequently repaired prior to the performance of the Type "A" test. The Type "C" retest resulted in a leakage of 6 scem.
(Refer to LER No. 81-014/OlT.)
~
The total Type "C" leakage was 149,058 seem or.1534%/ day. After the repair of the service air penetration, the total Type "C" leakage was 4,064 scem or.0042%/ day. Therefore, the "as found" adjusted leakage was.0293%/ day +.1534%/ day or.1827%/ day.
The "as left" adjusted leakage was.0293%/ day +.0042%/ day or.0335%/ day.
e N
6
REFUELIl1G COi1TAINMEllT PENETRATION LEAXAGE RECORD Sheet No. 1 Pefueling Refueling Refueling Refueling Refueling October -
October -
September September October.
'Jovembe r,
- November, October, October Novembe'r,
DATE 1977-1979 TYPE "C" TESTS 1977, As 1977. Leak-1978. As 1978, Leak-1977 Found age After Found age After o e o
Leaka ge,
Repair
- Leakage, Repair,
$E wI Os s3
$ y [E ORT PENETRA-seco.
scem scem seem UM, tJO.
Tiogg 9
25 9
RCDT Pump Suction Line 17 NA 2
NA 163 NA e t 26 10 Letdown Line 40 NA 680 NA 145 NA 27 11 RCP Seal Water Return Line 675 NA 730 NA 54 NA 28 12A DI Water Line 5
NA 0
Ni 8
NA 29 12B Test Connection 9.5 tiA '
1 NA 27 NA Add tests 30 12C RCDT and PRT Vent 0
NA M
NA together 18 NA 8
NA 17 NA 31 14A Nitrogen Supply to PRT 32 14C Nitrogen Supply to the Accumulators 31 NA 19 NA 16 NA 33 25C PACVS Return Line O
NA 0
NA 0
NA 34 26 Charging Line Check valve 18 NA 5,000 280 309 NA 180 NA 260 NA 0
NA 35 28A Ilot Leg sample 36 28B Pressurizer Liquid Space Sample 16 NA 6
NA 0
NA 37 28C Pressurizer Steam Space Sample.
11 NA 26 NA 46 NA 38 3
NA 4
NA 0
NA 39 29A Seal Injection Supply RCP "Aa 3
NA 3
NA 5
NA 40 291f Seal Injection Supply RCP "B" 5
NA 2
NA 18 NA 41 30A Test Connection OPS-27 (03-78)
Oswe 2 REFUELIf1G cot 3 TAI!NE!JT PENETRATION Sheet No.
2-IEAKAGE RECORD l Refueling Refueling
- 'Jovember - November -
y
' December,
- December, DATE 1980 -
TYPE "C" TESTS 1980, As 1984 Leak-Found age After
- leakage, Repair, PENETRA-sccm sccm gkT yg TION Enter highest 25 9
RCDT Pump Suction Line 26 10 Letdown Line 2
NA 27 11 RCP Seal Water Return Line 8
NA 38 NA 28 12A DI Water Line O
NA.
29 128 Test Connection Add tests O
30 12C RCDT and PRT Vent together O
NA 31 14A Nitrogen Supply to PRT l
32 14C Nitrogen Supply to the Accumulators 48 NA 33 25C PACVS Return Line O
NA 104 NA l
34 26 Charging Line Check Vaive 22 NA 35 28A Not Ieg Sample 40 NA 36 28B Pressurizer Liquid Space Sample l
19 NA 37 28C Pressurizer Steam Space Sample 38,
39 29A Sea 1 Injection Supply RCP "A" 180 NA 200 NA 40 29B Seal Injection Supply RCP "B".
60 NA 41 30A Test Connection OPS-27 (03 _78) u_____
REFUELING COtlTAINMEriT PENETRATION Sheet tio.
3' LEAKAGE RECORD Refueling lhefueling Refueling Eefueling Re f ue Lang '
- 1 October - October -
September Septertbe r October -
DilI E 1977-1979
- November, November,
- October, October,
- November, TYPE "C" TESTS 1977, As 1977, Leak-1978, As 1978, Leak-1979 Found age After Found age Af ter
'g $ Ed o
o
- Leakage, Repair,
- Leakage, Repair, g
OLT EFiiCTRA-sccm scem seem scem W%
%3 $,
NO.
TlGJ TI'I LE
$3 3k 42 30C Reactor Makeup Water Supply Enter highest
~
4,000 0
440 NA 22 test lpm nte highest 0
NA 5
NA 56 NA 43 31B Containment Sample Line e
Enter highest 44 31C PACVS Vent Line test 45 2
NA 210 NA 6
NA 46 32C Auxiliary Charging Line Enter highest NA 0
NA 8
NA 47 33A Instrument Air Supply 3047 test 48 33B Instrument Air Supply 3048
[hghest 180 NA 210 NA 115 NA 160 49 33C Service Air Supply 1'262 NA 340 NA 20 1pm
~ - - -
Add tests 14 NA 18 NA 780 NA SG 34A Sample Line PRT to Gas Analyzer together
( 'NA NA NA 11 NA 51 34C SG "A" Sample Line NA (1)
'O NA (1) NA NA NA 52 34B SG "B" Sample Line Enter highest 53 34D Sample Line FCDT to Gas Analyzer test 54 50 SG Blowdown 7,000 83 NA NA NA NA (1)
(1) NA NA NA 1
55 51 SG Blowdown 630 NA 56 52 Heating Steam Supply 70 NA 326 NA 50 NA 57 53 Condensate Return from Containment' 78 NA 8
NA 40 NA 58 56 Containment Test Connection' O
NA 360 NA O
NA OPS-27 3
d 0 P-715JJJL
Enclosura 2 REFUELING Cot 4TAIN!! Erit PENETRATION Sheet llo.
4'
^
Refueling iRefueling 1
November - November -
U J1;
~1980-
- December, December, D;.i t TYPE "C" TESTS 1980, As 1980, Leak-Found age After
- Leakage, Repair, OET I'EHCTFA-seem scem
!!O.
T1M T1'; LE 42 30C Reactor Makeup Water Supply Enter highest 19,000 18 test 43 31B Contal'amenbSample Line (
Enter highest 11 gA test ~.
EnterInighest 12 NA 44 31C PACVS Vent Line test 1
-- q-45 s
_.. _L.._
(_ m 3
NA 46 32C Auxiliary Charging Line Enter highest 47 33A Instrument Air Suhply 3047
"^
test Enter highest 66 NA 48 33B Instrument Air Supply 3048 test 49 33C Service Air Supply 35,000 1,569
~ - - ~ ~
~
Add tests 50 34A Sample Line PRT to Gas Analyzer toge the r (3) (1) NA NA 51 34C SG "A" Sample Line (3)(l)NA NA 52 34B SG "B" Sample Line Enter highest 53 34D Sample Line RCDT to Gas Analyzer test 54 50 SG Blowdown NA NA (3) (1) NA NA 55 51 SG Blowdown 6
NA 56 52 Heating Steam Supply 57 53 Condensate Return from Containment 5
NA 32 NA 58 56 Conte.inment Test Connection OPS-27 4mthswtn REFUELING CGifrAINMENT PENETRATION Sheet UO.
5-LEAKAGE RECORD Ectueling Retueting Eetueling Eetueling Retueling (3.
1 October -
October - September September October -
t,aq -
gg7g
- November, November,
- October, October, September TYPE "C" TESTS 1977, As 1977, Irak-1978, Ac 1978,Icak-1979 Found age After Found age After y
- Icakage, Repair,
- leakage, Repair, yg gy chi PEIZTR 'r.
sccm sccm sccm
- sec, y
j3g DO.
TIDM TITLE
,$ 3 3MS 59 54 P!4A Spray Pump Discharge Check valve 290 NA 539 NA 28 NA 60 55 P14B Spray Pump Discharge Check Valve 36,000 435 2
NA 29 NA 61 71 Sump "A" Drain to Auxiliary Building O
NA 2
NA 11.
NA 62 V1 Purge Supply 266 NA 192 NA 370 NA 63 V2 Purge Exhaust 230 NA 660 NA 510 NA Enter highest 64 XI Rll/R12 Suction Supply test 27 NA 97 NA 23 NA Enter highest 65 X2 Rll/R12 Discharge Return test 77,000 181 2,000 198 8000 0
(2) (MA)
(2) 66 31A Pressure Test of PT-945 and 946 O
NA NA Add t ts 67 19 & 20 CCW to and from excess letdown llEX 0
NA 2
NA 1800 NA gg tes ts 68 15 & 17 CCW to and from RCP "A"
648 NA 235 NA 256 NA e
ts 69 16 & 18 CCW to and from RCP "B" 714 NA 72 NA 1405 NA oe 70 71 72 73 74 l
i END OF TYPE "C" TESTS 4
OPS-27 RO3L-2tAh
Enclosuro 2 REFUELING COi1TAINMENT PENETRATION Sheet No.
6' LEAKAGE RECORD Refueling Refueling CW
_ _1 November - November -
LAC 1980-
- December, December, TYPE "C" TESTS 1980, As 1980, Leak-Found age After
- Icakage, Repair,.
LRI PEI CTRA-scem scem Ilo.
TID:1 TITLE 59 54 Pl4A Spray Pump Discharge Check Valve 35 88 60 55 P14B Spray Pump Discharge Check Valve 150 120 61 71 Sump "A" Drain to Auxiliary Building O
NA 62 V1 Purge Supply 140 NA 63 V2 Purge Exhaust 560 NA Enter highest 112 NA 64 X1 Ril/R12 Suction Supply test Enter highest
~
~
7 N.A 65 X2 Rll/R12 Discharge Return test 66 31A Pressure Test of PT-945 and 946 7
NA t
ts 67 19 & 20 CCW to and from excess letdown llEX 834 NA e
Add tests 68 15 & 17 CCW to and from RCP "A"
toge ther tests 69 16 & 18 CCW to and from RCP "B"
194,090 530 oe 70 l
~
71 72
'/3 74 END OF TYPE "C" TESTS OPS-27 RD3L--2[U
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8 ON S3 P0 O(
,j ll!ll j
Sheet ik).
8' REFUELING CONTAINMENT PENETRATION 8
Refueling Refueling LEAKAGE RECORD UNIT #
1 November - November -
DATE 1980-
- December, December, TYPE "B" TESTS 1980, As 1980, Leak-Found age After Leakage,
Repai r,
CRT PENETRA-sccm sccm NO.
TIOt1 TITLE No 12 Numbe r Fuel Transfer Tube Flange 32 NA No Equipment flatch Flange 6
NA 13 Number P-50, 51' 75 Mechanical Penetration Test 0
NA 52 & 53 76 P-58 Mechanical Penetration Test 0
NA 77 P-57 Mechanical Penetration Test 0
NA 78 P-69 & 70 M.P.T, (S ump " A" &
"B" Drain Lines) 30 NA 79 M.P.T. (Fuel Transfer Tube Penetration) 3 NA Nu ber P-13, 27 80 Mechanical Penetration Test 15 NA
& 29 P-37, 38 81 36, 40, Mechanical Penetration Test 0
NA 48, 45 44, 46 P-5 & 6, 82 47, 43, Mechanical Penetration Test 0
NA 39, 35
- 55. 54 P-15, 16, 83 17, 18, Mechanical Penetration Test 22 NA 10, 11 84 P-7, 8, 9, Mechanical Penetration Test 38 NA
& 22 85 E-21 & 22 Electrical Penetration Test 6
NA END OF TYPE "B" TESTS OPS-27 (03-78)