ML19320B977
| ML19320B977 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 06/12/1980 |
| From: | Kuehn L TENNESSEE VALLEY AUTHORITY |
| To: | |
| Shared Package | |
| ML19320B974 | List: |
| References | |
| RTR-NUREG-0578, RTR-NUREG-578 SI-656, NUDOCS 8007150578 | |
| Download: ML19320B977 (14) | |
Text
.. _ _.
9
.i APPEIDIX E I
LEAK TESTIIiG PROCEDURES FOR Tile UASTE CAS SYSTEM O
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S:quoyah Nucicar Plant (g'
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1C Plant Master File Superintendent
' Assistant Superintendent (Oper.)
Q,4 Assistant Superintendent (Maint.)
Administrative Supervisor Maintenance Supervisor (M)
Assistant Maintenance Supervisor (M)
Maintenance Supervisor (E)
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Assistant Maintenance Super"isor (E)
SURVEILLANCE INSTRUCTION Maintenance Supervisor (I).
Results Supervisor 2.$-
IC Operations Supervisor 1U Quality Assurance Supervisor Health Physics Supervisor Public Safety Services Supv.
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SI-656 Chief Storekeeper Preop Test Program Coordinator Outage Director
_.,,y Chemical Engineer (Results)
Radiochem Laboratory Instrument Shop WASTE CAS' SYSTEM GROSS' LEAKAGE Reactor Engineer (Results) g,....
TEST Instrument Engineer (Maint. I)
Mechanical Engineer (Results) 2.?
1U Staff Industrial Engineer (Plt Sys) 1C Training Center Coordinator PS0 - Chickamauga Engrg Unit - SNP
-}..' Prepared By:
L. B. Kuchn Public Safety Services - SNP -
Shift Engineer's Office m
(j Revised By:
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1C Unit Control Room
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QA&A Rep. - SNP Submitted By:
N 277. 'Y Health Physics Laboratory lO'"'
Su,ervisor IU Nucir Document Control Unit ~, 606 EB-C l.tVl ' '
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1U Superintendent, WBNP
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[p!/2ho Superintendent, BFNP y,?.[, ~
Ifate I Superintendent, BENP J'C: '
IU NEB, W9C174C-K g;)h)'ApprovedBy:
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NRC-IE:II Supv., NFIPS ROB, MS g
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Superintendent Power Security Officer, 620 CST 2-C N
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Nucir Materials Coord. - 1410 CUBB-C jf.),,,
Manager, OP-QA&A Staff 7'
Date Approved:
b 2-0 Resident NRC Inspector - SNP f
8 1C NSRS, 249A HEB-K y,
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Date Revised Pages Rev. No.
Date Revised Pages 1.:.'C"~
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I-SQNP SI-656 Page 1 of 4 llh Rev. 1 1.0 SCOPE 1.1 Test Description s
This instruction will be performed to determined the gross leakage rate of the waste gas system.
This test will include the gas decay tanks, waste gas compressors, and its interconnecting piping.
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1.2 Test Requirements n.
t To minimize external leakage into the auxiliary building from a con-taminated system and reduce offsite exposure. This test is to be performed in Mode 5.
2.0 REFERENCES
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Administrative Instruction AI-4 6",,
47W830-4 Flow Diagram Waste Disposal System
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47W830-6 Flow Diagram Waste Disposal System Sequoyah Nuclear Plant Standard Technical Specifications, section 3.11.2.4 3.0 PREREQUISITES llh 3.l An ample supply of nitrogen is made available to pressurize all gas
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decay tanks and the waste gas piping to 100 psig.
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SMi' 3.2 This instruction shall be performed according to Administrative
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Instruction AI-4 and Part II, section 4.2 of the Sequoyah Nuclear 30-Plant OQAM.
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3.3 All test equipment shall be in conformance with the N-0QAM, section
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3.1 or TI-10 calibration requirements.
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4.0 PRECAUTIONS
, I.E.b i,*y 4.1 Do not operate the waste gas compressors with the water seal
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isolated.
4.2 Nitrogen in high concentrations will cuase asphyxiation by re-
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placing oxygen necessary to maintain.ife.
Beware of nitrogen
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leakage while testing in small enclosed spaces.
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5.0 TEST EQUIPMENT M, pr..
5.1 Leak rate test panel (see Appendix C).
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Rev. 1 6.0 TEST INSTRUCTIONS 6.1 Receive permission from shift engineer to perform test.
System
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alterations performed during this test instruction will will not violate plant technical specifications.
Verified by Shift Engineer Date v
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b-6.2 Isolate check valve 0-77-859B and remove its falpper to allow filling of the system from the unit 1 truck fill connection.
Initiate a Temp-orary Alteration Control Form and record number below.
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TACF #
6.3 Isolate check valves 0-77-759A and 0-77-759B and remove their flappers.
This will allow the waste gas compressors to be pressurized without i
running the compressor.
Initiate a Temporary Alteration Control Form n,
- and record number below.
s..
TACF #
s 6.4 Align the FSV's for waste gas compressor A by lif ting wire SE1 from
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terminal 5 of the motor relay and installing a jumper between 5EX (terminal 14) and SECC (terminal 13).
Isolate the control air to
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0-FCV-77-95A, 95B, and 92. ; Initiate a Temporary Alteration Control
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For1 and record number below. See 45N779-17.
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TACF #
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6.5 Align the FSV'r; for the waste gas compressor B by lif ting wire SE1 from terminal 5 of the motor relay and installing a jumper between SEX (term-inal 14) and SECC (terminal 13).
Isolate the control air to 0-FCV ~ ' -
110A, 110B, and 106.
Initiate a Temporary Alteration Control Form and record number below.
Sec 45N779-17.
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6.6 Perform the system alignment per Appendix A, Valve Alignment Checklist, j
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6.7 Connect the' test equipment as shown in Appendix C, Sheet 1 (rotameter)
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or Sheet :' (Mass Flowmeter) to instrument tubing of 0-PI-77-160.
In-S-..n itiate a Temporary Alteration Control Form and record number below.
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TACF #
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Rev. 1 f
6.8 Install a nitrogen supply to the unit 1 truck fill connection.
Slowly fill all gas decay tanks and the waste gas piping through 1-7/-860.
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6.9 Continue to fill until the piping pressure downstream of 0-PCV-77-159 stabilizes at approximately 100 psig.
.sg C#
Pressure:
psig
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6.10 Verify the compressor piping has been pressurized by momentarily venting each compressor through its separator drain valve.
7 6.11 Perform a aoap check of all mechanical joints.within the pressure boundary.
Veriff no external leakage.
/
6.12 Af ter a minimum one hour stabilization place the leak rate test equip-ment in service and shut 0-77-856.
l 6.13 After allowing the temperature, pressure, and flow rate to stabilize, record the data on the appropriate data sheet in Appendix B.
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NOTE:
1.
Stabilization is to be determined by the test engineer j);.2 2 af ter taking into consideration regular action, flow range,
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-and temperature trends.
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2.
The leak rate obtained is for information on internal valve s.2,),,
bypass leakaBe only.
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j{l 6.14 Upon completion of test, isolate the leak rate test equipment and remove 7
it from the system.
Clear the TACF initiated in step 6.7.
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6.15 Isolate check valves 0-77-859B, 0-77-759A, and 0-77-759B and replace their
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flapperc Clear the Temporary Alteration Control Forms initiated in 6.2 and 6.3.
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6.16 Restore the waste gas compressors by restoring the TACF's initiated in 1g.-
section 6.4 and 6.5.
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SI-656 Page 4 of 4
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6.17 Return system alignment to normal per SOI's at the discretion of the d'a.
shift engineer.
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s-t SQNP SI-656 Appendix A g
Page 1 of 5 W
Rev. 1 7-APPENDIX A
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VALVE ALIGNMENT CIECKLIST Ns".
.v u Valve No.
Function Position Verification 1,
Refer to 47W830-6 m,gi q.
1-77-860 Truck Loading Facility Shut 0-PCV-77-263 UHI Accumulator Regulator As Is l-77-876 UHI Accumulator Supply Shut 9'2 :^
0-77-878A UHI Accumulator Supply Shut
'J n 0-PCV-77-254 Passive Accumulator Regulator As Is if;Y" 0-77-865B Passive Accumulator Supply Shut i';4 1-77-863 Passive Accumulator Supply Ehut
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0-77-858B In Line Valve - 1" Open 0-77-841B 100 psi Regulator Supply Open 0-77-842B 90 psi Regulator Supply Shut 4:l,p 0-PCV-77-248 100 psi Regulator As Is j ', ",
0-77-842A 90 psi Regulator Outlet Shut SS%
0-77-843B 100 psi Regulator Outlet Open
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0-77-845 Supply to Spent Resin Stor Tnk Shut y
2-77-837 Supply to U2 Press Relief Tak Shut h
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2-77-846 Supply to U2 Press Relief Tnk Shut Jf et 2-77-851 Supply to U2 Vol. Cont. Tank Shut QYi '
0-77-852 Supply to Aux Waste Evap Pack Shut l,3{'y';"
0-77-853 Supply to Waste Evap. Pack Shut 79; 2-77-854 Supply to U2 RCDT.-
Shut
~ 15' l-77-854 Supply to Ul RCDT Shut
'D7-1-77-851 Supply to UI Vol Cont. Tank Shut M.i t 1-77-846 Supply to U1 Press Rel. Tank Shut i$f,f.
1-77-837 Supply to Elect. Penetratious Shut l
[;+,3 0-77-855 Supply to Boric Acid Evap Pkgs Shut j;)
0-77-856 15.4 psi Regulator Supply Open
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ac9,,,..y 0-77-873 0-PCV-77-159 Root Valve Shut p,77 y 0-PCV-77-159 15.4 psi Regulator Open
. j_~. J 0-77-450A 0-PI-77-160 Root Valve See Note
?.! f 0-77-857 Supply to CVCS Regulator Shut
jb 4 0-77-452A 0-PT-77-66 Root Valve Shut
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ifj[*I' y' NOTE:
See section 6.7
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SI-656
.g Appendix A Page 2 of 5 Rev. 1 APPENDIX A
.;m VALVE ALIGNMENT CIIECKLIST
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Valve No.
Function Position Verification
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Refer to 47W830-4 g.,'g,g,, 0-77-745 Nitrogen Header Supply bpen
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? 0-77-744A Nitrogen to Tank A Open 0-77-746A Drain from Tank A Open
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0-PCV-77-115B Sample Lines to Gas Analyzer Open 0-77-395A 0-PT-77-ll5 Root Valve Open 0-77-742A Compressor Disch. to Tank A Open 0-77-748A
' Vent from Tank A Open
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0-77-751A Return to Compressor from Tnk A Open y'y,,
7 0-PCV-77-115A Compressor Disch to Tank A Shut
',f 0-77-740A Compressor Disch to Tank A Open 0-77-744B Nitrogen to Tank B Open 0-77-746B Drain from Tank B Open
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0-PCV-77-114B Sample Line to Gas Analyzer Open
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0-77-396A 0-PT-77-114 Root Valve Open fD 0-77-742B Compressor Disch to Tank B Open N
0-77-748B Vent from Tank B Open
,~ 5 'i 0-77-751B Return to Compressor from Tak B Open
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0-PCV-77-114A Compressor Disch to Tank B Open jPCD 0-77-740B Compressor Disch to Tank B Open
' ui.. 'jjl.0-77-744C Nitrogen to Tank C Open 0-77-746C Drain from Tank C Open i,'.2,;
0-PCV-77-113B Sample Line to Gas Analyzer Open
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0-77-397A 0-PT-77-ll3 Root Valve Open y..,...
g-t: Jef'g* 0-77-742C Compressor Disch to Tank C Open 0-77-748C Vent from Tank C Open L.?.'. "
0-77-751C Return to Compressor from Tak C Open
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~ bjf',.'.-F 0-PCV-77-113A Compressor Disch to Tank C Shut h f'
'0-77-740C Compressor Disch to Tank C Open
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' 0-77-744D Nitrogen to Tank D Open
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0-77-746D Drain from Tank D Open
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0-PCV-77-100B Sample Line to Gas Analyzer Open t,
0-77-398A 0-PT-77-100 Root Valve Open
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'0-77-742D Compressor Disch to Tank D Open
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0-77-748D Vent from Tank D Open j
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.0-77-751D Return to Compressor from Tak D Open
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W' f 0-PCV-77-100A Compressor Disch to Tank D Shut 0-77-750D Compressor Disch to Tank D Open vjh..-0-77-744E Nitrogen to Tank E Open pg.;',.:.
0-77-746E' Drain from Tank E Open
.,M JP 0-PCV-77-101B Sample Line to Gas Analyzer Open 8
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- i SQNP SI-656 Appendix A Page 3 of 5 Rev. 1 APPENDIX A VALVE ALIGNMENT CHECKLIST Valve No.
Function Position Veriffeation 0-77-399A 0-PT-77-101 Root Valve Open 0-77-742E Compressor Disch to Tank E Open 0-77-748E Vent from Tank E Open 0-77-7 1E Return to Compressor from Tak E Open N OPCV-77-101A Compressor Disch to Tank E Shut
~
0-77-740E Compressor Disch to Tank E Open 0-77-744F Nitrogen to Tank F Open 0-77-746F Drain from Tank F Open 0-PCV-77-102B Sample Line to,Cas Analyzer Open 0-77-400A 0-PT-77-102 Root Valve Open 0-77-742F Compressor Disch to Tank F Open 0-77-748F Vent from Tank F Open
~
0-77-751F Return to Compressor from Tnk F Open 1 0-PCV-77-102A Compressor Disch to Tank F Shut 0-77-740F Compressor Disch to Tank F Open 0-77-744G Nitrogen to Tank G Open 077-746G Drain from Tank G Open 0-PCV-77-145B Sample Line to Gas Analyzer Open 077-401A 0-PT-77-145 Root Valve Open 0-77-742G Compressor Disch to Tank G Open 0-77-748G Vent from Tank G Open 0-77-751G Return to Compres,sor from Tnk G Open Y 0-PCV-77-145A Compressor Disch to Tank G Shut 0-77-740G Compressor Disch to Tank G Open
~
0-77-744H Nitrogen to Tank H Open
- ay f 0-77-746H Drain from Tank II Open 0-PCV-77-146B Sample Line to Gas Analyzer Open 0-77-402A 0-PT-77-146 Root Valve Open
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0-77-742H Compressor Disch to Tank H Open 0-77-7481I Vent from Tank H Open 0-77-751H Return to Compressor from Tnk H Open y 0-PCV-77-146A Compressor Disch to Tank II Shut 0-77-740H Compressor Disch to Tank H Open 0-77-744J Nitrogen to Tank J Open
' ~.';7 0-77-746J Drain from Tank J Open 4
0-PCV-77-147B Sample Line to Gas Analyzer Open JE -
0-77-403A 0-PT-77-147 Roo! Valve Open T~
0-77-742J Compressor Disch to Tank J Open
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0-77-748J Vent from Tank J Open
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0-77-751J Return to Compressor from Tak J Open
$r.W ff 0-PCV-77-147A Compressor Disch to Tank J Shut d.M.
0-77-740J Compressor Disch to Tank J Open g
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0-77-747 Conunon Drain Header Shut W
0-PCV-77-103 Conunon Sample Line to Gas g g,,.
Analyzer Shut
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SQNP SI-656
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Appendix A
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Page 4 of 5 Rev. 1 APPENDIX A VALVE ALIGNMENT CHECKLIST Valve No.
Function Position Verification 0-77-739A Waste Gas Compressor A Disch Open 0-77-739B
. Waste Gas Compressor B Disch Open 0-PCV-77-ll7 Connon Vent to HEPA filter Open
' F" 0-77-764 0-PCV-77-ll7 Controller Root Viv Shut 0-77-749 HEPA Filter Inlet Open 0-77-769 HEPA Filter Drain Shut 077-405A 0-PT-77-ll7 Root Valve Shut 0-77-406A 0-PT-77-118 Root Valve Shut 077-750 HEPA Filter Oetlet Shut 0-PCV-77-ll6 Common Return to Compressor from Tanks Open 7.0-77-763 0-PCV-77-116 Root Valve Shut 0-77-761A BA Evap Package A to Compressors Shut 0-77-761B BA Evap Package B to Compressors Shut 1-62-691 Vol Control Tank to Comp (47W809-1)
Shut
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2-62-691 h >)
Vol Control Tank to Comp (47W809-1)
Shut 0-77-937 Siphon Breaker Fill Connection Shut 0-77-936 Siphon Breaker Drain Shut 0-62-959 Holdup Tank to Compressors (47W809-3)
Shut 1-77-593 RCDT to Compressors (47W830-1)
Shut W9341A, W9342 Gas Analyzer to Compressors
(
)
Shut s
2-77-593 RCDT to Compressors (47W830-1)
Shut
~
0-PCV-77-51 Sp Resin Stor Tnk to Compressors Shut
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0-77-700 Sp Resin Stor Tak to Compressors Shut 0-77-985 Cond Waste Evap Vent to Comp (47W830-7)
Shut 0-77-935 Siphon Breaker Fill Connection Shut 0-77-930 Siphon Breaker Drain Shut 0-77-404A 0-PT-77-88 Root Valve Shut 0-77-929 Siphon Breaker Fill Connection Shut j
.j, 0.-77-928 Siphon Breaker Drain Shut 0-77-939'
' Supply to Compressors Open j
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0-77-752 Waste Gas to Holdup Tanks
. Shut r;-
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~ 0-77-753 Waste Gas Return to Compressors Open
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0-77-738A Compressor A Unloader Control Open
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0-77-738B Compressor B Unioader Control Open
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0-PCV-77-89 Compressor Inlet Pressure
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0-77-762 0-PCV-77-89 Root Valve Shut n-
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SI-656 Appendix A g
Page 5 nf 5 W
Rev. 1 APPEllDIX A VALVE ALIGNt!ENT CifECKLIST Valve No.
Function Position Verification Waste Gas Compressor A
+-
0-77-737A Inlet Open 0-PCV-77-90 Inlet Open y 0-LCV-77-95A Makeup Water Inlet Shut 0-4.CV-77-95B Separator Drain Shut 0-77-760A Separator Drain Shut 0-PCV-77-92 Cas Unloader Shut 0-PCV-77-97 Waste Gas Inlet. Control Open 0-PCV-77-99 Separator Outlet Open s
Waste Gas Compressor B 0-77-737B Inlet Open 0-FCV-77-104 Inlet Open 0-LCV-77-110A Makeup Water Inlet Shut 0-LCV-77-110B Separator Drain Shut 0-77-7603 Seperator Drain Shut 0-PCV-77-106 Gas Unloader Shut 0-PCV-77-107 Waste Gas Inlet Control c.'en 0-PCV-77-112 Separator Outlet Open i
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DATA l'AC1'AOC COVIS tili2C Pcce 1 of 1
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IN
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Dato Test Engincer k'ere technten) npccification criterla satisfied?
Yes
_ No.
If criteria were not satisfied, notify the shif t engineer who corni1ctos the following:
Was a limiting condition for operation vintated? _
Yes (explalu in remar,ks)
No (explain in rer.iarks).
Verified by Date Shiit Engineer Reason for test:
Required by schedule Maintenance complete on (Instruction
)
Another systein (
'O Plant condition (explain) kJ
~
a Other (e.splain)
Review of Test Results Ikchanical Engineer Date
~
Review and Approval of Tust Results Results Mcchanical Engineer Date v.
QA Review of Test Result:1 i
j 4
QA Stalf Date l
Remarks v-i
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< >er SI-6.%
reca.1 or,_ta' nEv. o Appendix B If s rot:. meter 1: uced record the follotring:
not:racter I.D. ITo.
Tube 31:c:
inche Float I.k.teric1:
Pressure at Float:
.gsig Tenper:ture at Float:
F Float Re: diag:
Converted Flov (From Curve)
~
Calculate the cros: Icahage from the dcta recorded using Equation 1, and record this value below.
- !ote: Equation 1 SCZI = CZI E
Ta x*1,.596 Where:
P3 = Pressure at rotameter float, paio T3 = Temperature at rotameter float, R CZI Float indicated by rote:neter tubes, CZI f
CCZI = Flo r og standard conditions of 1!+.695 paia cad '70 F
.s Corrected etcadord gross leak rate:
SCZI o
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SCm i
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Pace R of 2 RE7. 0 Appendix B p
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d If a Muss Flotmeter is used record the follotting:
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713: meter I.D. I!o. :
r Te b Pres ure:
psig
+
Flott Range:
=cen j
Flo.r:
seca Cciculate the gron: leakage from the dots recorded using Equation 2, and record this value below.
! Tote: Equation 2
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SCEI = 23315.85 :: 60 Uhere:
CCCM = Indicated flo:: from mass flotmeter, standcrd cubic centimeters per minute
~
SCMI = Flo.7 at standard conditions of 14.695 psia and 70 F Corrected standard gross leakcge rate:
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SI-636 PrG2 1 of BCl. O Appendix C Figure 1 I'foss Flotmeter Test Ifethod 5
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Nitrogen bottle 2.
1h3 flo'<.:eter 3.
Flexible hose 4.
Test connection 5.
Testable piping volwce i
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Paco 2 of 2 REV. 0 Appendi:: C Figure 2 Rotemeter Tect IIethod 7
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Air Supply 1.
Calibrated rotameter 1
2.
Calibrated temperature indicator 3
Calibrated pressure indicator 4.
Pressure regulator 5.
Flexible hose 6.
Test connection
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Testable piping volume i
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