ML20035D477
| ML20035D477 | |
| Person / Time | |
|---|---|
| Site: | Rancho Seco |
| Issue date: | 04/07/1993 |
| From: | Shetler J SACRAMENTO MUNICIPAL UTILITY DISTRICT |
| To: | Weiss S NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| DAGM-NUC-93-042, DAGM-NUC-93-42, NUDOCS 9304130250 | |
| Download: ML20035D477 (45) | |
Text
9 1
$SMUD SACRAMENTO MUNICIPAL UTILITY DISTRICT ~ P. O. Box 15830. Sacramento CA 95852-1830.(916) 452-3211 AN ELECTRIC SYSTEL1 SEHVih G THE HLART OF CALIFORNIA l
DAGM/NUC 93-042 April 7,1993 U. S. Nuclear Regulatory Commission Attn.: Document Control Desk Washington, DC. 20555 Docket No. 50-312 Rancho Seco Nuclear Station License No. DPR-54 l
l Decommissioning Plan Revisions Attention:
Seymour Weiss t
We have resised and nclose portions of our April 15,1992, response to the NRC's request for additional information (RAI) in support of the Rancho Seco Decommissioning Plan. Most of the changes reflect adjustments to the schedule of decommissioning activities, and update the person-hour and person-Rem estimates for completing those activities. The redsions are consistent with the overall decommissioning strategy previously proposed, do not preclude other decommissioning options or release of the site for unrestricted use, and do not affect our decommissioning cost estimate.
Our 10 CFR 50.59 evaluations ensure that implementing these revisions does not constitute an unreviewed safety question. We will continue to use the 10 CFR 50.59 process to evaluate any further changes, and will keep your staffinformed of any such changes.
In conjunction with the changes outlined above, we have also examined whether any of the proposed changes has an impact on the decommission'mg Environmental Report (ER). Because the enclosed revised responses to the RAI would only affect certain ER references to the Decommissioning Plan, and the person-hour and person-Rem 'stimates discussed above, we have deemed that no changes to the ER are necessary. The person-hour and person-Rem estimates have decreased since the initial Decommissioning Plan and ER submittal.
Consequently, the ER evaluates a bounding condition and the proposed changes do not alter the analyses or conclusions in the Emironmental Report.
l 130022 p"idu M%2
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DISTRICT HEADQUARTERS O 6201 S Street, Sacramento CA 95817-1899
i S. Weiss DAGM 93-042 1
i Members ofyour staff requiring additional information or clarification may call Jeny Delezenski at (916)452-3211, extension 4914.
Respectfully,
__=>., f //ickt
-~
James R. Shetler Deputy Assistant General Manager, Nuclear Attachments cc w/att:
J. B. Martin, NRC, Walnut Creek S. Brown, NRC, Rockville 2-
i S. Weiss DAGM 93-042
\\
t Revisions to the April 15,1992, Submittal ofAdditionalInformation in Support l
ofthe Rancho Seco Decommissioning Plan l
l I
i ADDITIONAL INFORMATION IN SUPPORT OF TIIE RANCllO SECO DECOMMISSIONING PLAN i
l 2.
Sect.1.1.4. p.1-7 (Planning Basis and Assumptions)
List and discuss, here or elsewhere in the DP, as appropriate, the systems to be preserved as useful for decommissioning, and the steps taken or to be taken (e.g.,
lighting, ventilation, etc.) to preserve these systems.
I Di_ strict Response The following is a list of systems (or portions thereof) that will be maintained functional during Hardened-SAFSTOR through Deferred-DECON. However, only certain portions of these systems may be required to be maintained to support Ilardened-SAFSTOR.
Periodic monitoring will be conducted on the maintained portions to ensure structural integrity and control of radioactivity.
The required portions of these systems and components will be subjected to corrective and preventive maintenance programs.
l De systems that will be abandoned during the Custodial or Hardened-SAFSTOR phases i
l will be inspected if required during the preparation for decontamination phase. Depending on feasibility and economic evaluations, the systems and components will either be refurbished or design modifications will be implemented to provide alternative systems to facilitate decommissioning activities.
Site Reservoir System (SRS)
Plant Fire Protection System (FPS)
Plant Heating, Ventilation and Air Conditioning System (HVAC)
Drainage and Sewage System (CDS)
Main Control Room (MCR)
Radiation Monitoring System (RDM)
Plant Security System (PSS) 4.16kv AC Power Supply System (LMV)
Plant Transformer System (PTS)
Switchyard System (SYS) 480V AC Power Supply (LVS)
AC Electrical Power System (HMV)
Cathodic Protection System (CPS)
Plant Grounding System (PGS) 120V AC Interruptible Power Supply l
1 -o-125V DC Vital, Non Vital Power Supply (DCS)
Plant Lighting Distribution System (LSP)
Plant Communication System (CSP)
Lightning Protection System (LPS)
l ADDITIONAL INFORMATION IN SUPPORT OF TIIE RANCIIO SECO DECOMMISSIONING PLAN l
Main Circulating Water System (MCW) 1-0 Senice Water System (SWS)
Liquid Rad Waste (RWS)
Reactor Coolant Drain System (RCD) l Seismic Monitoring System (SMC)
Gas Collection Header of Waste Gas System (WGS) l
\\
l l
ADDITIONAL INFORMATION IN SUPPORT OF TIIE RANCIIO SECO DECOMMISSIONING PLAN 4.
Sect. 2.2 p. 2-10 (Decommissioning Activities. Tasks and Schedules)
Identify within this section the major activities, tasks and schedules associated with decommissioning for equipment, components and structures which are not considered radioactive (e.g., the cooling towers and the associated asbestos panels).
The emironmentalimpacts associated with these activities should be included in the Environmental Report (ER).
l District Response le The activities associated with decommissioning equipment, components and structures that are not considered radioactive include hazardous material clean-up, and the removal of o-temporary facilities and other miscellaneous equipment and stnictures. Hazardous materials clean-up is planned in two phases: characterization and remediation.
l During the characterization, all suspected locations of hazardous materials will be evaluated j
to:
i l
Determine the size of any affected area l
Establish topographical configuration i
Determine the contaminates and their concentrations Establish risk associated with the contaminates.
The remediation plan will include satisfying local, state, and federal requirements.
I le The non-power block facilities and sheds onsite that are no longer needed will be cleared and locked, or may be placed in a resource recovery program. The following is a list of l
facilities that are currently. selected for abandonment or placement m resource recovery.
l L
Receiving Warehouse j
2.
Technical Center i
3.
Administration Building 4.
Nuclear Senice Electrical Building 5.
Battery Building 6.
Diesel Generator Building 7.
Chlorine Building 8.
"B" Warehouse 9.
Aux Boiler Control House 10.
Sewage Treatment Chlorine House 11.
NRW Spray Pond Pump and Valve Houses
-3
ADDITIONAL INFORMATION IN SUPPORT OF TIIE RANCIIO SECO DECOMMISSIONING PLAN l
12.
T&R Building (unused portions) i 13.
Quonset Storage Hut l
14.
Inner / Outer Warehouse 15.
Temporary Construction (Bechtel) Buildmg i
16.
Training (L&D) Building 17.
Ground Keeper Building 18.
Turbine / Rail Building 19.
Sheetmetal Shop (Turbine Maintenance Cover) l 20 Toolroom Building 21.
Electrical Shop Building 22.
"GRS" Warehouse and Storage Yard l
23.
Turbine Rotor Building #1 i
24.
Turbine Rotor Building #2 25.
Turbine Rotor Building #3 l
26.
NPS Carpenter Shop (2 Buildings) l 27.
Fire Training Buildmg 28.
"C" Warehouse l
29.
Pipe Fab Shop 30.
PAP Building (unused portions) 31.
IOSB l
32.
Barrel Storage Yard The following is a list of typical miscellaneous clean-up activities to be performed:
1.
Dispose-of miscellaneous sheds f
2.
Dispose of Cooling Tower fill.
3.
Remediate hazardous waste contaminated soil areas.
The Cooling Towers will remain until site restoration.
These activities are scheduled to be completed during, preparation for Custodial-SAFSTOR, Custodial-SAFSTOR, or preparation for Hardened-SAFSTOR.
c-
+. _,
i ADDITIONAL INFORMATION IN SUPPORT OF Tile RANCIIO SECO l
DECOMMISRIONING PLAN 5.
Sect. 2.2.1. p. 2-10 (Activities and Tasks)
Identify the specific activities and tasks needed to place RSNGS in Custodial-a.
SAFSTOR which: (1) have already been completed; (2) are now in progress or will i
be initiated prior to DP approval; and (3) will not begin until DP approval. For the 3rd category of activities, provide descriptions of the wastes to be generated, the waste processing methods to be used, person-rem and person-hour figures, and associated radioactive effluents. The environmentalimpacts associated with these i
activities should be included in the ER.
j District Response The activities and tasks needed to place RSNGS into Custodial-SAFSTOR are listed by 2
1-o system in Table 5-1 of this submittal. (The 3 letter system designators an e defined in Table 2-1 of the DP.) Some of the activities have been completed. The completed activities are identified in the table with the number one (1) in the status column.
Actions that have started, or will be started prior to Decommissioning Plan approval are identified in the table with the number two (2) in the status column. Any of the activities necessary to place RSNGS into Custodial-SAFSTOR may be performed prior to DP l
approval, in accordance with 10 CFR 50.59. These activities include.
1 I
e Drain /de-energize / secure non-contaminated systems not required to support decommissioning operations.
Drain /de-energize / secure all contaminated systems not required to support decommissioning operations. Decontaminate, as required.
t Continue to process liquids from the drained contaminated systems.
Clean surface contamination from building access pathways.
e Perform radiation survey of the plant; post warning signs, as appropriate.
l l
Table 5-1 consolidates and updates the information provided in Tables 5-1,5-3, and i
5-4 of the District's submittal providing additional information in support of the l
Rancho Seco Decommissioning Plan, dated April 15,1992..
I ADDITIONAL INFORNIATION IN SUPPORT OF TIIE RANCIIO SECO DECOMMISSIONING PIAN The wastes expected to be generated for activities and tasks started after the District received POL through the entire decommissioning process are listed on Table 5-2 of the additionalinformation provided on April 15,1992. For a discussion about waste processing methods and radioactive effluents see the District responses to NRC Decommissioning Plan i
Comments 16.c and 16.d, respectively.
l Other than the generated wastes discussed in Table 5-2, there will be no additional emironmentalimpacts associated with the activities required to place Rancho Seco into Custodial-SAFSTOR.
+
l i
l 1
l l !
l
e ADDITIONAL INFOR51ATION IN SUPPORT OF TIIE RANCIIO SECO l
DECON1MISSIONING PLAN 5.c.
For buildings and areas of buildings not in use, describe inspection and surveillance frequencies, procedures, and expected personnel exposures.
District Response l
l 14o-Table 5-1, provides dose estimates for tasks associated with each of the systems. These dose l
estimates include the person-Rem expected for conducting monitoring and surveillance I
actisities during all phases of Custodial and Hardened-SAFSTOR.
The minimum frequencies of radiation suneys and environmental monitoring activities will be in accordance with NRC Regulatory Guide 1.86.
j l
Periodic monitoring and surveillance will be in accordance with plant procedures and l
current regulatory requirements. Monitoring and surveillance will also be conducted to l
assure structural integrity of abandoned facilities and to minimize the possibility of l
le unmonitored radioactive leakage from those facilities.The category in Table 5-1 titled " Rad j
i Surveys-General" provides the estimated Person-Rem dose for general area and building i
suneys and monitoring not othenvise specified. l
ADDITIONAL INFORMATION IN SUPPORT OF TIIE RANCIIO SECO DECOMMISSIONING PLAN 5.f.
List and describe the specific activities and tasks needed to put RSNGS in Hardened-SAFSTOR. Include 'he same information as requested in 5.a above.
District Response 1-The activities and tasks needed to place RSNGS into Hardened-SAFSTOR are listed by system in Tabic 5-1 of this submittal. Generally, the major activities and tasks consists of:
l 1)
Transfer of the spent fuel from the Spent Fuel Pool to the dry cask storage area.
2)
Drain and process the water from the Spent Fuel Pool.
3)
Drain, de-energize, and secure all systems not needed to support the security and surveillance program.
4)
Perform a radiation survey of the plant.
5)
Secure buildings containing radioactive materials (e.g., Reactor, Auxiliary, and Spent Fuel Buildings) to preclude accidental intrusion.
14 The wastes generated for each of the SAFSTOR Phases are listed in Table 5-2 of the information provided in the April 15, 1992, submittal. For a discussion about waste processing methods and radioactive effluents see the District responses to NRC Comments 16.c and 16.d. respectively.
14 Selected activities needed to place RSNGS into Hardened SAFSTOR may be started when the affected systems are no longer needed to support plant activities. Implementation of activities will be performed in accordance with 10 CFR 50.59.
TABLE 5-1 TASKS, ACTIVITIES, PERSON IIOUR AND PERSON REM ESTIMATES FOR ALL SAFSTOR PIIASES l
SYSITIM AC11VI'llilS/ TASKS STATUS CUS'IODIAL CUSIODIAL IIARDENILD IIARDIENED (SEE NOIES)
PREP DORMANCY PRI!P DORMANCY Pl!RSON PERSON Pl!RSON PERSON PERSON PliRSON Pl?RSON Pl!RSON IIOURS REM llOURS RiiM IIOURS REM IIOURS REM ASC DEENIIRGIZE UNNECESSARY 1
304*'
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387"'
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320 0
ISP DlhENERGIZE LIGills IN AllANDONI!D 1 "'
310 0
A R EAS"'
i i
MAIN 1ENANCII,INSPECllONS AS 2
117 0.1 REQUIRED MAINTAIN LIGIIIS REQUIRED EOR 2"'
60 0
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MAINTAIN AS REQUIRED 2*'
331 0.258 MSS DRAIN. ISOLA 11? SYSTEM & AllANDON 1 "'
3G4*'
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52 0
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376*8 0
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172 0
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2 403"'
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2 100"8 0
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2 24*8 0
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2
_9
t TABLE 5-1 TASKS, ACTIVITIES, PERSON IIOUR AND PERSON REM ESTIMATES FOR ALL SAFSTOR PIIASES t
SYS1131 ACilVI11ES/I ASKS STAIUS CUSTODIAL CUSTODIAL IIARDENED IIARDENED (SI'.II NO 1115)
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117 0367 NO AC110NS REQUIRED - AllANDONED 2"'
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344 1.075 Dils DRAIN, PROCESS. DiaOSII OF LIQUID, 2
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2.775"'
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2 1621 0333 NO PREPARA110N - AllANDONED" 2"'
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TAIRE 5-1 TASKS, ACTIVITIES, PERSON IIOUR AND PERSON REM ESTIMATES FOR ALL SAFSTOR PIIASES SYS11:M AC11VIIII3/I ASKS S IA IUS CUSTODIAL, CUSIODI AL IIAI4DIWil)
IIARDIWIiD (51:l! NOIES)
PRI.P DORMANCY PRl!P DORMANCY PERSON Pl!RSON PERSON PliRSON Pl!RSON PERSON Pl!RSON PIIRSON IIOURS RILM llOURS REM IIOURS RiiM llOURS Ri!M PLS DRAIN. PROCl!SS. DISPOSE 01: 501.1D &
1 "'
254"'
1.722 1.IOUID RW, AllANDON MONI'IOR SYS'11:M 2
85 0.179 NO ACI1ONS RICOUIRED 2"'
O O
MONITOR SYS'11 M 2"'
344 0.72 RDM Dl!-l!N!!RGIZli DI*IECIORS & HECORDFRS 2 "'
216 0
MAIN'IENANCli,IN5I'EC110NS AS 2 "'
RpJ"'
O RI!QUIRl;D Dl!-l'.N1!RGizl! DIIT1:CIORS &
2 "'
760"'
O RI:CORDI!R$"8 MAINIAIN AS REQUIRIID 2*'
178 0
PSS ACllON COVERi?D IlY Sl!CURIIY PI AN"'
2"'
O O
M AIN FAIN SI!CURI TY SYS'il M 2"'
709 0.917 NO ACITON RI:OUIRED 2"'
O O
MAINIAIN AS REQUIRI!D 2"'
2079 1.183 PIIS (Ril)
DECON 2"2 50"'
O.5"'
MONITOR 2 "'
352 1.76 SICCURl! ACCl!SSli5"'
2"'
200 1
MONITOR SYSIEM 2"'
1032 5.16 Pils (AUX)
DI! CON USING MOST EFII?CI1Vi? MIilllOD 2 "'
1144 0.5"'
MONIIOR 2*'
644 1.1 SECURii ACCESS"'
2"'
1809 2.5 MONilOR SYST1?M 2 "'
2361 3.225 13-
... ~
TABLE 5-1 TASKS, ACTIVITIES, PERSON llOUR AND PERSON REM ESTIMATES FOR ALL SAFSTOR PIIASES SYS~lliM AC11VIIII5 TASKS STA'IUS CUS I ODI AI, CUSTODI AI, IIARDIENiiD llARDliNED (SI:1? NOllis)
PRI'P DORMANCY PRI!P DORMANCY PI'RSON Pl!RSON PERSON PERSON Pl!RSON PERSON Pl!RSON Pl?RSON IlOURS RI!M llOURS REM llOURS REM llOURS REM PilS (IOS)
NO PREP REQUIRED 2 "'
O O
M AIN'lENANCI! AS RI!O'D 2"'
332 0.44 MAINTAIN CRANiis.1)E.I!NI!RGI7li AII.
2"'
1032 1.29 CIRCUI13. SURVEY & DECON AS REQUIRED NO AC110NS REQUIRED Al'111R 2"'
O O
AllANDONMl!N1"'
AILS ISOISI11 SYS'11'M AND DE-l!NERGlZli"'
1 "'
61 "'
O MON 110R SYSIT.:M"'
2" 0
0 NO AC110NS RI?OUIRI'D 2 "'
O O
MONilOR SYS'IEM"'
2 "'
100"'
O CPS NO PREP REQUIRI!D 2"
0 0
MAINTAIN AS Rl!OUIRED 2 "'
133 0
NO AC110NS RI?OUIRED 2"'
O O
MAINTAIN AS RI:OUIRED 2"'
258 0
COS NO PREP REQUIRl!D 2*'
O O
MAINTAIN AS RI:OUIRED 2"'
1467 0
DRAIN.DIIliNERGlZli AND DE-ACI1VAll!
2 "'
160 0
MAINTAIN AS REQUIRED 2 "'
176 0.
N 0
O 0
0 OM S E DY R R
- C E
I NN P
A IDM 2
O 0
0 RR NS 3
9 8
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0 0
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M M E
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lA R
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l P
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& "S l
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l:
S S
S O
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A
/. N l
S T
I 0 A
A A
AR I S E
C C S
A S
S S
D N ;)
0 S
I I
I I R
N G N
N N
N E
1 G1 N
N R
N OU IA NY N
0 0
0 N
1 1 RP I
O I
1 1
1 1 I R
P IA I'
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A O
I O EII A
T 0 F
T N i T A TI C
T C
1 C
D l
1 I
I 1
1 VN N C T
I 1 I
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A A
A 1 I I E IN I
N N
N IAF N
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1 1
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I 4
i TAllLE 5-1 TASKS, ACTIVITIES, PERSON IIOUR AND PERSON REM ESTIMATES FOR ALL SAFSTOR PIIASES SYSiliM AC11VII1ES/I ASKS STA1US CUS'IODI Al, CUSIUDIAL IIARDENI:D IIARDENED (SEE NOll!S.)
PREP DORMANCY PREP DORMANCY PliRSON Pl!RSON PERSON PERSON PERSON PliRSON Pl!RSON PERSON llOURS REM IlOURS RI:M IIOURS RIiM llOURS REM DMW DRAIN & AllANDON POR110NS"'
I
$39"'
O MAINTAIN AS RI!OUIRED 2"'
880 0
DRAIN. DI!-1::NI!RGlZII. ISOI A11! &
2"'
328"'
0 AllANDON"'
MONII'OR SYS'II M 2"'
645 0
I!GS ISOIA~I1!, DE-1:NERGIZI! AND AllANDON"'
1 320 0
NO AC110N"'
2 "'
0"'
O NO ACllON - AllANDON"'
2"'
0"'
O NO AC110N REQUIRED AllANDONI'D*'
2"'
0**
O I?IlO
'IRANSIl!R OIL AND DE-l!NERGIZI!
l 80"'
O SYS1EM AllANDON 2
0 0
I i
NO AC110NS RI!OUIRIID - AllANDONED 2"'
O O
AllANDONI?D 2"2 0
0 liSS ISOIAIE AND Dli-ENI!RGIZil"2 1
I18"'
O MON 110R l'OR 1,11AKAGli"1 2"8
$0"'
O NO ACI1ONS RI!OUIRI!D 2*'
O O
MONITOR SYS111M 2*'
200"'
0 I PS NO AC110NS 1
0 0
MAINTAIN AS RI OUIRED 2"'
1467 0
SI!CURit. DRAIN & ISOl A11! VARIOUS 2"'
1000"'
0 ARI!AS MAINTAIN AS RIIOUIRED 2 "'
4300 0,
1 1
1I ll N
0 0
O O
WN P
I A DM 8
O O
2 RR NS 7
"0 "0
IAO OR 0
0 1
I D SU 2
3 R
! O I l Pl O
O O
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N D
RI 0 M 5E S
iR E
I lP NP T
I I
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O O
O RP NS M
I 5U A
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I lPI SE N
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OM E
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I R
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P D A N
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9 T
O S UO OR 0
0 2
0 3
SR NS 5
"0 2
S E CD SU 1
3 R S I l RE O E A PI PI I
DP 0
O O
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N "0
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1 SE 4
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R I
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5 9
4 7
2 0
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5U 4
1 1
1 TI I I NL PI 1
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RR U
2 2
"2 "1
2 "2
"2 A
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"8 "2
T 2
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1 2
2 P,F S
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A A
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0 T
l JI I
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1 I
1 D
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T A
R 1
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1 1
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S T)
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l' N
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l l I N R
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l l
1 I
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1 D
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l 1
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1 C
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l VN IAA N
P i
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N R
N T
i I
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N l
N N
A N
1 N
A N
N A
l A
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0 O
O O
T O
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D M
N M
i P
I I
CI l
I l
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A O
A A(
DA M
N M
S M
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5 M
N M
V N
N A
li S
I 1
M i
l W
C V
S V
i S
I G
M Y
5 D
I I
I S
M G
I I
I 4
l
TABLE 5-1 TASKS, ACTIVITIES, PERSON IIOUR AND PERSON REM ESTIMATES FOR ALL SAFbf0R PIIASES SYS'iliM AC11VI111!S/ TASKS STA1US CUSTODIAL CUSTODIAI, IIARDIINED IIARDENED (Sell NO11'S)
PRl!P DORMANCY PREP DORMANCY PERSON PERSON Pl!RSON PERSON PliRSON PERSON PERSON PEliSON IlOUR5 REM IIOURS RIIM IlOURS REM IIOURS RI.M I,V5 MODIIT POWER DI5IllIllU11ON, 2
1300" O
Dl! ENERGIZI! PAR IS'8 MAINTAIN AS REQUIRED 2
440 0
DI!-ENERGIZE 11REAKERS NO I,0NGER 2 "'
240 0
REOUIRED MAINTAIN AS RIIQUIRl!D 2"'
585 0
IAS,$AS AllANDON ONII NORMAL AC & ISOIA113 1 *'
346"'
O UNUSED POR110NS
MAINTAIN AS RIiOUIRED 2
1880"'
O Dl!-I!NERGIZE, DRAIN, ISOI A11: &
2**
258"'
0 AllANDON'8 MONI10R SYS~11 M" 2*'
100"'
O ICS DE-fiNERGlZi! & AllANDON 2
65"'
0 5
NO AC110NS-AtlANDONED 2
0 0
NO AC110NS REQUIRIiD 2"'
O O
AllANDONED 2*'
O O
PGS NO PRIiPARA110N REQUIRIED 2
0 0
MAINTAIN AS REQUIRI!D 2
0 0
NO AC110NS REQUIRED 2"'
O O
i NO AC110NS REQUIRI!D 2*'
O O
i i
i 19-i I
i N
0 O
0 O
O1 S3 DY R1R EC E
NN P
O 8
RR NS 4
"0 6
IAO OR 3
0 3
2 I D SU 26 R O El PI j
0 O
0 O
N O!
h S
S D
R E R
E E
I P
NP T
EE DR "8
6 "0
A RP NS "2
0 M
A OR 2
5 1
1 I
4 SU I
R O 1
IT El S
PI E
N 0
0 0
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O!h E
S E LY R
R IAC
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N P
D A N
Dt h
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SR NS 4
7 0
0 3
4 S
UO OR 3
1 7
S E CD SU 2
9 1
R S 1
R O El E A PI P H DP O
O 0
0 NO1 NR S1 1 -
L RI A O A
E R 5
I I
P ERT DP i
LU S Oi 0
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0 2
F S P "0
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NS "5
BO A U
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9 7
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5 TI El NL Pi OL S A S
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"2 "2
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"2 T
2 2
"2 2
2 "2
"2 2
2 "2
"2 E O A
T P F S
SE R
I E
T R
G T
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I N
V E
G L
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L 0
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P C
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O 1
N 3
A "D
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1 h
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D D
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Z D
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N R
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R R
h R
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G R
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1 I
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I P
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S I
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N O
N Q
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I 1
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I A
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R E
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O E
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A 1A S
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A R
R C
R I
I S
I T
A I
R R
E I
l E
R h
I r
3 S
E S
D S
l S
E S
E S
D S
E f) l A
Z A
A A'
A I D N
I D N
L IA 7
Z A
Z A
A R
S SS Y
Y N
1 E G
N I D N
L IA Y 0 A
E R IA G
N
& "S I
R E R E IA E
N G
G N
R 0
R E 1 I L
N L
T R
I I
A
! R A
1 1 O F
I I T
A T
I' T
E R T
I T
A T
S C
I 1
1 I
VN N
N U N
1 N
ID I
N N
N U N
1 1
T 1
N EU N
A O
A E
A i-Q I
R I
N A
N I
E E
E-Q I
R 1
R I
Q I
E A
1CE IA EE A
A O
I E
A A
1 O
i A
I l
l S
f I
l 1
l 1
1 f
I A(
D h
DR N
P h
hP N
DR h
DR k
P h
T N
!hE V
R 1
S S
C P
S 1
Y P
3 M
U S
I 1
TABLE 5-1 TASKS, ACTIVITIES, PERSON IIOUR AND PERSON REh! ESTIh1ATES FOR ALL SAFSTOR PIIASES SYSlEM ACIIVillESfrASKS STA1US CUSlODIAL CUSTODIAL I!ARDENED llARDENED (SEE NOTES)
PRliP DORMANCY PREP DORMANCY PliRSON PERSON PERSON PERSON PERSON PliRSON PERSON PERSON llOURS REA!
IlOURS REM llOURS REM IlOURS REM IIVS (CR/
DRAIN, DE ENERGlZE AND AllANDON"5 2 "'
960"'
O TSC ESS)
NO AC110NS AllANDONED"'
2"'
0"'
O NO ACllONS REQUIRED"'
2"'
0"'
0 NO ACllONS REQUIRED-AllANDONED 2"*
O O
IIVS (CR NO PREPARA110N REQUIRED 2"5 0
0 NORM)
MAINTAIN AS REQUIRED 2"'
880 0
DRAIN, DE ENERGIZE AND AllANDON"'
2"'
516"'
O l
NO AC110N REOUIRED"'
2"'
0"'
O SFS NO PREPARATION REQUIRED.
2 0
0 AllANDONED NO AC110NS-AllANDONED 2
0 0
NO AC110NS REQUIRED 2"'
O O
NO ACllONS REQUIRED-AllANDONED 2"'
O O
NIS NO PREPARAllON REQUIRED - AllANDON 1
0 0
NO ACllONS-AllANDONED 2"2 0
0 NO ACllONS REQUIRED - AllANDONED 2"8 0
0 NO ACllONS REQUIRED AllANDONED 2"'
O O
IIPTilfT SIIUT DOWN dei!UMIDIFIER, 2
886"'
0 DIl ENERGIZE AND AllANDON MONITOR SYSiliM"'
2 0
0 NO ACIlONS REQUIRED 2 "'
O O
MONITOR SYS111M"'
2"'
100"'
O l 1
TABLE 5-1 TASKS, ACTIVITIES, PERSON IIOUR AND PERSON REM ESTIMATES FOR ALL SAFSTOR PIIASES SYSlliM ACIlVIllES/FASKS STAT 11S CUSTODIAL CUSTODIAL, llARDENED llARDENED (SEE NOll!S)
PREP DORMANCY PRi~P DORMANCY PERSON PIIRSON PERSON PERSON PERSON PERSON PERSON PERSON IIOURS REM llOURS Riihl llOURS REM IIOURS REM 15S NO PREPARAllON REQUIRED 2
0 0
MONilOR SYSTliM"'
2 100"'
O NO AC110NS REQUIRED 2 "'
O O
MONITOR SYKillM"'
2"8 200"8 0
SRS NO PREPARAllON REQUIRED 2"'
O O
MAINTAIN AS REQUIRFD 2"'
147 0
NO ACllONS RIIQUIRED 2"'
O O
MAINTAIN AS REQUIRED 2 "'
5160 0
PCW NO PREPARNilON REQUIRED 2"8 0
0 8
28 880 0
MAINTAIN AS REQUIRED ISOIAlli, DE-ENERGlZIl AND AllANDON 2"'
250"'
O NO ACllONS REQUIRED - AllANDONED"2 2"'
O O
SWS ISOIElli POR110NS"'
2"'
85"'
O MAINTAIN AS REQUIRI:D 2"'
147 0
MAINTAIN DOMF511C WAlliR, AllANDON 2"'
218"'
O IIAIANCE"'
MAINTAIN AS REQUIRED 2"*
1030"'
O PCS MODIFY DATA IIASE TO SUPPORT 2
96"'
O CUSlODI Al. SAFSTOR MAINTAIN AS REQUIRED 2
3520 0
AllANDON SYSIIIM"2 2 "'
114"'
O NO AC110NS REQUIRED 2"'
O O
22-
P 1
~
N R
S l
1 P
SI N
P Y
5 S
I S
ST E
h P
!' D P
N M
N M
N N
N N
D N
AM M
AD N
N N
N A
(S E
Ri E
O A
O A
O O
O O
O l A A
l E O
O O
O EC i
l l
A-l R
A4 R
I A
N I
AI I
N N C
C C
R NV E
A A
A P
E1 P
A A
A E
A NN N
Ni I
P I
1 N
N O
R R
C C
C N
C G
S T
C T
D T T
D E l
I l
E Ol R
F E R
E A
A E
I OI A
i M
OR M
A N
O I
P l
l l
l A
l l
l l
G N
A O
O O
G O
NN I
OR l
l l
P I' l P
l l
R I
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O O
A l E R l P
R N
R N
N N
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El N
N N
R iSS M
MZ S
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T A
T A
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l 1
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2 2
2 2
2 2
2 2
2 1
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1 8
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N PD I
P I
A E l P I
E S R O R 1
2 US DC E S 0
0 RO OU S
4 0
0 SN RS O
4 0
O hTO N
l A D P
NI Ri CA R
l E
R Yl E
S MO M
N 0
O 0
O O
l O R 1
I US 0
RO II M
1 2
A 0
8 SN PR A
O 0
0 0
RD EE T
PN E
PE E
R D
S E R S
h O
N 0
O 0
0 0
I P l E O R US Dl 1
l 1
0 0
RO OA 0
3 SN RR 2
0 O
O h D lAE P
NN E
CE R R YD E
S h
O 0
O 0
O O
N
TABLE 5-1 TASKS, ACTIVITIES, PERSON IIOUR AND PERSON REM ESTIMATES FOR ALL SAFSTOR PIIASES SYS~lEM AC11VIT1FNTASKS STATUS CUSTODIAL CUSTODIAL llARDENED llARDENED j
(SEli NO IFS)
PRiiP DORMANCY PRiiP DORMANCY PERSON PERSON PERSON PERSON PERSON PER5ON PERSON PERSON llOURS REM llOURS REM llOURS RIIM IIOURS REM I
NGf VENT GAS, ISO!EIE & AllANDON 1 "'
200"8 0
NO AC110NS 2
0 0
NO ACI10NS REQUIRED 2"'
O O
NO AC110NS AllANDONED 2"8 0"'
O MGS ISOl AIE, Dii-ENiiRGIZE & AllANDON 2
104"8 0
NO ACIlONS - AllANDON 2
0 0
NO AC110NS - AllANDONED 2"3 0
0 NO ACllONS - AllANDONED 2"5 0
0 MCM DRAIN, DE ENERGlZE AND AllANDON 1 "'
340"'
O MONITOR IOR LEAKAGE"*
2 100"8 0
NO AC110NS REOUIRED 2"2 0
0 MONITOR SYSlEM"'
2"*
100"8 0
1.05 DRAIN SYSTEM, Dii-ENERGlZE & REMOVE 1 "'
168 0
OIL FROM SI'IE NO ACI1ONS-AllANDON 2
0 0
NO ACllONS REQUIRED 2"5 0
0 NO ACllONS AllANDONFD 2"1 0
0 I
SGS DRAIN, PROCIISS, DISPOSE RCS LIOUID, 1"'
80"'
O.43 VAINE I.INE UPS - AllANDON MONITOR SYST11M RCA 2
59 0.183 NO ACTIONS REOUIRED 2"'
O O
MONIlOR SYSTEM 2 "'
172 0338
- 2 4-
TABLE 5-1 TASKS, ACTIVITIES, PERSON IIOUR AND PERSON REM ESTIMATES FOR ALL SAFSTOR PHASES r
SYSTEM ACIIVITIES/FASKS STAlUS CUS'IODI AL CUSTODIAL
!!ARDENED IIARDfiNED (SEf! NOTES)
PREP DORMANCY PREP DORMANCY PERSON PERSON PliRSON PERSON PERSON PERSON PERSON PfiRSON llOURS REM llOURS REM llOURS REM llOURS REM Fils PARllALLY DE-ENERGIZE SYS 2
40 0
MAINTAIN FUEL llANDLING 1
880 OA48 COMPONENTS / EQUIP MAINTAIN UN11L SPENT FUEL IS CASKED; 2 "'
972"'
.05 "'
11 TEN DE ENERGlZE & AllANDON NO ACllONS REQUIRED 2"'
0"'
0"'
CEP Dil-AC11VA~ITi PENIIFRA110NS 2"'
58"'
O.01 MONITOR SYSTEM RCA 2"'
110 0.037 NO ACIlONS REQUIRED 2"'
O O
2' 323 0.108 k
MONITOR SYSlEM Ca..i DE-ENERGIZI! SOMII CRANES 2
180"'
O MAINTAIN REMAINING CRANiiSEQUIP 2
110 0.037 MAINTAIN AS REQUIRED 2 "'
2590"'
O DE ENERGIZE IIALANCE OF CRANiiS"'
2 "'
500"'
0 021 WGS VLNT, PROCESS, VA1.VE LINILUPS"'
1 "'
180 u, /5 MONITOR SYST11M RCA 2
100"'
0"'
ISOIAT11-AllANDON ALL llUT GAS 2"'
20 0.05 COLLEC110N llEADER$"'
MONITOR SYSIEM 2"'
320 1
i R
i C
S S
C l
C C
Y W
D S
W A
S I
E M
D M
LP M
D M
N N
A A
M N
M LD M
C
(
O O
O N R O
iR O
N O
R A
O O
l M
l ICL
(
l S
A I
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A I
YI N EC A
l R
l A
N A A N
- l N
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N DE E l i N
I bI li A
N I
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C T
UN T
N i
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I N
E N
N RM i l I
S I U A T
O O
P,D O
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O
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C D
T AI U NV l
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CP Ol l
Z I
l S L I
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' A PD O
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I A,D EE l l I
S S
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NI PS S
N S
Y AP Y
Y AR Y
L S
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T S
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l I S N
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D A
S B
R l E K
A l
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M I
M L O 3
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A l
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Nl R
R Al I R
AS K
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l l
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2 2
2 2
2 2
2 2
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2 2
2 2
2 2
4 US C
l 8
4 2
RO U
A OB 5
3 5"
SN S
F 2
O P T UL 6
R O S
E P
P D TRE I
OA-5 E
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4 S
0 M O RN1 4
7 7
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N PD 5
I P
IA E l P l E S R O R US DC E S 8
RO OU S O
(
1 8
o 2
9 0
5 3
0 SN RS T
M O N
A D P
NI E
CA R
R R YL E
1 E
0 0
S 0
MO M
64 0
0 N
ES l P l E T
O R I
US l
M l
1 3
RO A
4 0
0 2
2 SN PR O
8" 4
8" A
RD EE T
PN E
PE E
R R D
S E
0 S
0 MO 3
1 1
0 N
O 8"
l P l E O R US Dl l
3 8
7 RO OA 2
3 8
SN RR 3
8 0
O MD AE P
NN E
CE R R YD f
0 0
2 3S 5
5 4
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0 5
3 4
4 8
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A S
S
(
R S
l O
F C
Y S
C O W W
S S
T O
I E
A M
N T
)
M N
M J D N
N N
IOD M
AR M
N M
Al M
J I
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P (S
A O
O O
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R O
l E A
O O
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EC l
l L
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- l NV N
A N
AM R
N A
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FI I
N O N
N I
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P N
l I
l i
C I
U,N C
C C
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D T
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l l
l OS O
OE O
O O
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O P
l l
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MY R
N N
R N
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PD EE O
N N
N S
R S
N S
ST S
S l
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SS S
S S
I E Y
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) /
Y S
Y AC l
T S
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S S
RA F
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N IU T
L T
lI A
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l E
R
,M S
l T
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AS Al Q
l
& D M
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N M
LD S
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N,S l
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I R
S D
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l E A
AS K
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NP E
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,N l P AN I
l D
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N D
N DR NSE I
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T
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5" 2
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S A S LO LN l P l E T
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l 2
(
RO U
A OB 2
8 4
2 4
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SN S
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S UL T
RE R E I
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O A-5 E R L
MO RN1 S
O N
PD 1
O 0
3 H P P
A E l E l
S R O R US DC E S 1
0 RO OU S
5 6
SN RS O
2 0
0 4
M TO N
A D P
NI E
CA R
R R YL S
E E
0 0
9 10 MO M
1 N
6 0
7 1
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l P l E T
O R I
5 5
US M
4 RO A
1 SN PR O
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[
f PN E
PE E
R R D
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8 S
MO 75 N ]
0 O
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l P l
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3 3
RO OA 7
6 4
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4 MD AE P
NN E
CE R R YD 0
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4 O
5 MO 0
0 5
4 3
N
i l D
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l l I
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1 G(
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(
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A 1
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l P
)
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(
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NA Al E
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P El A
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l I
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1)
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D &
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l F
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V N
T 1
P C
F 1
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1 T
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R i
O l
S
,i I
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M V
l i
P S
I 1
U 1
T 1
M M
I P
E,S S
F P T
2 2
2 2
2 2
2 2
2 2
2 2
2 2
2 2
A O E 2
2
'1 2
2 8"
1 2
U RR S
A S LO LN l P E
T LOR S1 A 1
US C
1 8
1 4
2 RO U
A 02 3
3 SN S
F O
8" O
O P T UL 28 R O S
E P
P D T4E I
E A
L A-5 R R L
E MO RN1 S
O 0
O O
O N
PD iAP l
F I P I E S R O R US DC E S 1
1 1
0 7
5 RO OU S O 7
5 6
3 SN RS 6
6 0
0 6
T MA N
OD P
NI E
CA R
R R YL S
E 0
E MO M
1 2
0 0
0 0
8 N
ES l P l E T
O R 1
1 I
5 2
0 US ll M
2 0
0 RO A
0 0
0 O
O SN PR A
RD EE T
PN E
P R E E
R D
S E
S O
M O
.3 O
O O
O N
l P l E O R 1
US Dll 5
2 6
RO OA 9
8 4
O 0
O 8
NN E
CE O.
R R YD 0
E S
MO 72 O
0 O
0 N
TABLE 5-1 TASKS, ACTIVITIES, PERSON llOUR AND PERSON REM ESTIMATES FOR ALL SAFSTOR PIIASES SYS~IliM AC11V111ESffASKS STA!US CUSTODIAL CUSTODIAL llARDENED llARDENED (SEli NO1ES)
PREP DORhlANCY PRI'P DORMANCY PERSON PERSON PERSON PERSON PERSON PERSON PERSON PERSON IlOURS Ri!M IIOURS REM IIOURS REM IIOURS REM llVS (Rll DE-I!NERGlZE & AllANDON SOME FANS"'
2"'
76 0.15 ClRC)
NO ACilONS REQUIRED 2"'
O O
AllANL)ON All, AFIER Ril PURGli PAlli 2"'
O O
INSTALL. lid"'
NO ACllONS REQUIRl!D 2"'
O O
RAD PERFORM GENERAL RADIATION 2"'
8625"8 1.0"'
6944"'
O.44"'
O O
4831"'
O.3 3 "'
5URVliY SU RVEYS"'
SMll NO PREP REQUIRED 2
0 0
MAINTAIN SYS1 TIM AS REQUIRED 2
44 0
NO AC110NS HliOUiRED 2 "'
O O
MAINTAIN AS REQUIRil) 2 "'
1543 0
MCW REMOVli COOLING TOWER Filla DRAIN 2
1310"'
O Oll, & DE-ENERGlzl!
MAINTAIN llYPOCitLORI111 SYSTEMS"2 2
37 0
NO ACllONS RiiOUIRiiD"'
2 "'
0"'
O MAINTAIN ilYPOCIILOR1111 ADDil10N"'
2"'
s290 0
RWS (MIS NO PREP REQUIRED 2"'
O O
!.IQUID)
MAINTAIN SYS 2"'
7040 0.3 MODIFY SYS111M TO RELEASE LIQUID 2"'
12320 4.7 WAS~lE COLLl!CirD IN AUX. IlLDG.
MONITOR SYS11!M"'
2"2 0
0 t
i 7
l i!
NI EI
- l. V OV S I I l l
S l !
I V
- l. lV lV Y
l S
S DS RS
)
S DS S
1' G (T M (N N
) A I
1 G(
(
(
1
)
S S
D O
M U
I E
S
)
R i
l M
B i
l i
I
)
l N
N N
N AD N
D M
N N
N N
AM N
D M
N I O N
M N
A
(
S S
O O
O FE O
R A
O O
O O
l A O
R A
O OP O
A O
EC l
E l I AI I
R AR R
R NV A
I P
A A
A NN A
A IN P
A A
A D E A
I N
I I
P P
i 1 N
C C
C I N C
,N T
R C
C C
D T C
.N T
lA T
S T
O A
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I 1
A A
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I E
A E
Ol E
I i
I 1
I D
I P
1 l
1 OI D
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E 1
l 1
S S
S I Z E
E N
N R
AU A
I P
ll R
1 1
P I
O 0
O N
N N
EG N
N R
N,N O
O O
0 O
l E
E N
R EE D
S E
S E
F M R
N N
N N
Y Q
I A A
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) /
S El R
N Q
Q T
R O
U A
T S
EI 1
P I
A I
A E
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~
l A
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Al Al A
E Q
R E
R l
Q S
P I
K A
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R T
0 l
l l
l l
L U
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N E
R N
N N
C R
Z A
D N
R D
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l E
WA N
l l
A A
Al E
I G
R E
A I
N E
l A
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S Z
D AIN R
A D
K S
I E
l l
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D E
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D D
D T
i T&
O O
O t
D E
O D
N l
O D
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,S N
N N
C S
N Z
N D
U A
A Y
E
,i E
Sl I
S Y
I l
A D
A R
S i
C Al S
D L
l 1
S l
RE E
T I
EN D
E C
E O
A ME M
T l
O N
M I
A N
D OR M
O 1
D V G I
P O
N E
O l
V E Z N
N D E I
E R
D T
E
/
S I
I E,S S
F P T
2 2
2 2
2 2
2 2
2 2
2 2
2 2
A O E 2
2 2
2 8"
2 2
2" T
U RR S
AS L O LN I P l E T
O R SI A US C
I 3
RO U
A OB 6
0 1
6 0
SN S
F O
P 0
O S UL T
3 j
R TRE E
P P D I
R E A
O A-5 E R L
MO RN1 S
0 0
O O
O N
PD l
H P A E l PE l
S R O R 1
3 US DC E S 0
7 3
RO OU S O 4
4 5
SN RS 0
4 0
2 I
M O N
A D P
NI E
CA R
R R YL S
E E
MO M
0 0
0 0
0 N
E S
l P E
T lO R I
US 6
M RO A
9 1
0 0
6 SN 0
8" O
PR A
RD EE T
PN E
P R E E
E R D
S S
M O N
0 0
O O
O l P l E O R 1
US Dl 0
0 RO OAl 3
SN RR 0
0 O
6 MD AE P
NN E
CE R R YD E S MO 0
0 0
O 0
N
TABLE 5-1 TASKS, ACTIVITIES, PERSON HOUR AND PERSON REM ESTIMATES FOR ALL SAFSTOR PilASES SYSllIM ACllVilll!S/FASKS STATUS CUSTODIAL CUSTODIAL
!!ARDENED llARDENED (SEE NOll3)
PREP DORMANCY PREP DORMANCY PERSON PERSON PERSON PERSON PERSON PERSON PERSON PERSON llOURS REM llOURS REM llOURS REM llOURS REM PilS MAINTAIN POWER llLOCK llulLDINGS"'
2 192"'
O.1 "'
952"'
O.016"'
CUSTODIAI.
MAINTAIN OFFICE /SilOPAVAREllOUSE 2
1530**
0"'
llLDGS"'
MAINTAIN MISC flUiLDINGS*'
2"'
400"'
0"'
SECURE & AllANDON UNUSED 2"'
1000"'
0"2 NONCONTAMINATIID llLDGS"'
Pils SECURE POWER lit.OCK llUILDINGS"'
2 1032"'
O IIARDENED MAINFAIN SWITCllYARD llUILDING"'
2 1569"'
O RELOCKill 01TICE/S1IOPiWAREI10U511 2
3213**
O FUNCllON"5 MAINTAIN OITICIIS/SiiOP/WAREllOUSE/
2"'
3321"'
O.054"'
POWER IILOCK"'
SECURE & AllANDON UNUSED 2"2 2340"'
O NONCONTAMINATTID flLDGS"'
ISFSI NO PRiiPARAllON REQUIRED 2
0 0
TRANSI ER FUEL 10 CASKS, MOVE CASKS 2"'
IMO) 15 TO STORAGE ARIiA MONITOR STORAGE, MAINiliNANCli AS 2 "'
6(xx) 5 REQUIRED SECURlW NO ACllVillES REQUIRED 2
0 0
SECURIlY MON 110 RING 2
314000"'
O NO ACllVillES REQUIRED 2"'
O O
SECURlW MONITORING 2 "'
105000"'
0.
43 2 1 N
321 O
S S
T Y
IE A
S S
T T
R I AAAR AAA U
E l
h E
YCCl C CCC S
l l l l l I IV S
AA l l l l 1
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VVV S
SiiD R I I I lll OA D
T.
I I I lI l l lEEND EI F S
I
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G T
A
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N I I DA WTF R
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lNE O
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S OA N
N
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l l
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TWL R
l L
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lO A
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l DN h
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t ACD APD R
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l
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N RE PAE I
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l ADDITIONAL INFORMATION IN SUPPORT OF TIIE RANCIIO SECO DECOMMISSIONING PIA N i
6.
Sect. 2.2.3. p. 2-15 (Staffing and Exposure Summaries)
In Table 2-2, please identify the stage at which each work activity will occur, and the a.
total person-rem and person-hour estimates for each stage.
District Response le Table 5-1 provides Person-rem and person-hour estimates for all phases of Custodial and Hardened-SAFSTOR. A brief description of the activities involved during each phase are i
also included.
o-
- t i
ADDITIONAL INFORMATION IN SUPPORT OF TIIE RANCIIO SECO DECOMMISSIONING PLAN 7.
Sect. 2.2.4.1. p. 2-16 (Plant Building Structures) a.
List the plant buildings and structures which are considered non-contaminated.
District response Plant buildings and structures considered to be non-contaminated are provided below.
Figure 7-1 shows the buildings and areas that are not contaminated.
1.
Receiving Warehouse 31.
Microwave Bldg 2.
Technical Center 32.
Diesel Oil Storage Tank 3.
Quonset Bldg 33.
Warehouse 4.
Personnel Access Portal (PAP) 34.
Turbine Storage Area 5.
Administration Bldg 35.
Sewage Treatment Aeration 6.
Spray Ponds Pond i
7.
Filters (Nuclear Raw Water) 38.
Fab Shop 8.
Cooling Towers 39.
Transformer Yard 9.
Sewage Treatment Area 40.
A Warehouse 14.
T & R Bldg 41.
Bechtel Bldg 15.
N S E Bldg 42.
C Warehouse 16.
Central Alarm Station (CAS) 43.
Barrel Farm 17.
Diesel Generator Bldg 44.
Switchyard Control Bldg 18.
Electrical Fab Shop 45.
Material Storage Area 19.
Turbine Rotor Storage Sheds 46.
Reservoir Filter Area 20.
L & D Bldg 47.
Chlorine Bldg 21.
Water Treatment Plant 49.
Sewage Treatment Terraces 22.
Chlorine Bldg 51.
Switchyard 23.
Intake Structure 52.
Machine Shop 24.
Plant Cooling Water Intake 53.
Fab Shop Structure 54.
Site Fence 25.
Turbine Bldg Gantry Crane 55.
Valve House Access Area 56.
Pump llouse 1-0 27.
Tool Room 57.
Rad Monitor Ilouse 28.
GRS Warehouse o-29.
Fire Training Bldgs i
! l
I I
i ADDITIONAL INFORMATION IN SUPPORT OF THE RANCIIO SECO DECOMMISSIONING l
PMN 16.
Sect. 3.3.2. p. 3-29(Radioactive Waste Processing)
Indicate what ventilation systems will be maintained in each stage, and what filters a.
will be used. Note that DP Table 2-1 appears to indicate all HVAC systems will remain functional until DECON.
)
District Response The following table lists the major components of the various HVAC systema at Rancho Seco and the planned status of the l
systems in each of the decommissioning phases. In the table:
I "A" denotes the system will be abandoned, not be maintained, and may require extensive refurbishment to be returned to a functional or operable status; the system will be de-energized and isolated.
l "F" denotes the system will be maintained in accordance with a preventive maintenance program or on an as-needed basis; the system may be returned to functional or operable status by minor refurbishment, see associated note for more 3
detail. The HVAC system for an abandoned building may be made functional to j
provide ventilation in the building for safety purposes on an as-needed basis.
)
i "O" denotes the system will be maintained in accordance with a preventive j
maintenance program and tested in accordance with licensing requirements.
CUSTODIAL SAFSTOR IIARDENED SAFSTOR SYSTEM PREP DORMANCY PREP DORMANCY DECOM NOTES Aux Bldg Emer.
A A
A A
A Pump Rm. All Units A-529A,B,C E 1 -o +- Aux Bldg Emer A
A A
A A
Pump Rm A/II Unit D A-529 D l
Ilydrogen Mon.
A A
A A
A i
AE-53811 i
AE-53812 1 l 1
ADDITIONAL INFORMATION IN SUPPORT OF TIIE RANCIIO SECO DECOMMISSIONING PLAN QUESTION 16 a (cont)
CUSTODIAL SAFSTOR IIARDENED SAFSTOR SYSTEM PREP DORMANCY PREP DORMANCY DECOM NOIES 11, Recombiners A
A A
A A
E-9206A E-9206H 1-+o-Diescl Gen.
A A
A A
A Illdg. IIVAC EF-556 Nil U-357NH AlI-DG-1 A;11 1-oo-NSEll Normal F
F A
A A
1 IIVAC U-50lNil EF-553NH l ~o-NSEB Essential A
A A
A A
2 11VAC U-503NH All-N-2A;11 1-co-Aux Illdg F
F F
A A
3 Chilled Water System WC-A-1 WC-A-2 l
CIIWP-A-1 through CIIWP-A-Il 1-oo-Control Room F
F F
A A
4 Normal IIVAC A11-A-1 i
1-+
- Control Room A
A A
A A
Essential l
IIVAC Train A U-545A A11-A-545A SF-A-7A l l
1 I
)
ADDITIONAL INFOR51ATION IN SUPPORT OF TIIE RANCIIO SECO DEC051511SSIONING PLAN QUliSTION 16 a (cont)
CUSTODIAL SAFSTOR IIARDENED SAFSTOR SYSTEM PREP DORMANCY PREP DORMANCY DECOM NOTES 1 * +- Control Room A
A A
A A
5 Essential IIVAC Train B U-54511 All-A-545B SF-A-7B i
1 -+ +- Auxiliary Bldg.
0 0
F F
F 6
l Communication Rm.IIVAC i
All-A-7 U-564 1 -+ +- Aux. Bldg.
F F
F A
A 7
Elec. Relay &
Switchgear Rm.
j Air I!andlers All-A-3/4/5/6 SF-A-3/4/5 EF-A-1/2/3/4 j
l-++-
Aux. Bldg.
A A
A A
A 9
1 Emer. Diesel (EMD) Rm.
SF-A-544 All EF-A-544 All 1 -+ - Aux. Bldg.
F F
F A
A 8
Radio-Chem &
Service Area Fans & A/II SF-A-1/2/6 All-A-2 EF-A-5/6/8/10 EF A-11/14/16 EF-A-17/19
! l l
l ADDITIONAL INFORMATION IN SUPPORT OF Tile RANCIIO SECO DECOMMISSIONING PLAN QUESTION 16 a (etmt) l CUSTODIAL SAFSTOR IIARDENED SAFSTOR SYSTEM PREP DORMANCY PREP DORMANCY DECOM NOTTIS 1 * +- AUX lli..DG RAD F
F F
A A
8
)
WASTE ARIIA AIR llANDLERS i
EVC-A-1 A-543 EF-A-18 140-AUXllLDG O
O F
A A
10 GRADE LEVEL EX11AUST All A-546 1 ** SPENT FUEL F
F F
A A
11 IlLDG All EVC-A-2 A-541 1**
AUX / SPENT O
O O
O F
12 FUEL BLDG EXilAUST All A-542All 1 -*- RIIACI'OR 111 DG 17 F
A A
A 13 PURGE All A 535 A-536 1 *<>- REACI'OR IlLDG A
A A
A A
14 EMER COOLING UNITS A-500 nil /C/D 14<>-
REACIOR llLDG Ali AF A/F A
A 15 NORMAL COOL UNITS A-520 Nil /C/D A-520 EtF o
ADDITIONAL INFOR51ATION IN SUPPORT OF TIIE RANCIIO SECO DECONIMISSIONING PLAN QUESTION 16 a (c<mt)
CUSTODIAL SAFSTOR IIARDENED SAFSTOR SYSTEM PREP DORMANCY PREP DORMANCY DECOM NOTES 1 -+ +- REACFOR CAVITY A
A A
A A
16 VENTILATORS A-525M1 A-531MI/C/D RFACIOR IILDG A
A A
A A
UPPER AIR CIRCUIATORS A-532A/II/C/D l -+ - REACIOR BLDG A
A A
A A
LOWER AIR CIRCUIATORS A-533A/B/C/D 1 ** IOS BLDG IIVAC O
O F
F F
17 U-563 Al1-Z-36-1/2/3 EW11-Z-36-1 EF-Z-36-1 1 -+ - TURIIINE BLDG A
A A
A A
SUPPLY FANS A-551NB/C/D A-551E/F/G,11 1 * +- 'lURilINE Bl.DG A
A A
A A
EXIIAUST FANS A-552AR'C/D DEMINERAl.lZliR A
A A
A A
CONTROL ROOM WALL AC UNIT l-++-
ADMIN BLDG F
F A
A A
18 IIVAC (MAIN)
A11-AD-1 WC-AD-1 B-AD-A C-AD-1 EF-AD-1/2/3/4 l
ADDITIONAL INFORMATION IN SUPPORT OF TIIE RANCIIO SECO DECOMMISSIONING PLAN QUES 110N 16 a (cont)
CUSTODIAL SAFSlDR IIARDENED SAFSTOR SYSITIM PREP DORMANCY PREP DORMANCY DECOM N O~lliS 1 -+ ~ ADMIN Ill.DG F
F F
F/A A
18 IIVAC (GND)
All-AD-2 U-550 EF-AD-8/9 1-+ ~ PAP HLDG F
F F
A A
19 IlVAC l-*
CENTRAL ALARM F
A A
A A
19 SECURITY STA.
1 ** TRAINING &
F F
F F
F 19 RECORDSHLDG IIVAC Notes:
1 + - 1.
The NSEB Normal HVAC Systems (fans, dampers, duct, filters, etc.) will be maintained functional on an as needed basis. When building cooling is no longer necessary, refrigerant will be removed from the refrigeration systems.
2.
The R-22 refrigerant will be removed from the NSEB Essential HVAC Systems and the systems will be abandoned in place.
3.
The Auxiliary Building Chilled Water, which supplies chilled water or cooling to numerous air handlers in the Auxiliary Building, will be maintainel functional in accordance with the periodic maintenance program as long as cooling is required in the Auxiliary Building. When cooling is no longer required, refrigerant will be removed from the chillers and the system will be abandoned in place. I
-.=. _..._._
I ADDITIONAL INFORMATION IN SUPPORT OF TIIE RANCIIO SECO DECOMMISSIONING PLAN l
4.
The Control Room Normal HVAC System will be maintained in accordance with the periodic maintenance program as long as continuous occupancy of the Control Room j
is required. When continuous occupancy is no longer required; the fan, filters, duct, j
1-+
dampers, etc. will be maintained functional on an as needed basis. When ventilation j
of the Control Room is no longer required, the system will be abandoned.
j 5.
The Control Room /FSC Essential HVAC System train B will be abandoned in place after the refrigerant has been removed.
+-
6.
HVAC Systems for the Auxiliary Building Communication Room will be maintained functional on an as-needed basis.
t 7.
The Auxiliary Building Electric Relay & Switchgear Room Air Handlers will be i
maintained functional on an as-needed basis. (See also note 3.)
j i
8.
Maintained functional on an as-needed basis.
j 9.
The Auxiliary Building Emergency Diesel Room Ventilation Systems.will be maintained functional until the District no longer has a need for the diesels. The systems will then be abandoned in place.
l 10.
The Auxiliary Building Grade Level Exhaust Filtration Unit will be maintained l
functionalin accordance with the preventive maintenance and routine test programs until no longer required. The unit will then be maintained functional on an as-needed basis.
This unit is equipped with a prefilter bank, HEPA filter bank, and carbon adsorber section. The prefilter and HEPA filter banks will be maintained as described above.
The carbon adsorber is no longer maintained in the absence of radioactive iodine compounds.
11.
The Spent Fuel Building Supply Air Handler and Air Washer will be maintained functionalin accordance with the preventive maintenance program until no longer needed. The air handler will then be maintained functional on an as-needed basis. l m
ADDITIONAL INFOR51ATION IN SUPPORT OF TIIE RANCilO SECO DECOMMISSIONING PLAN l
12.
The Auxiliary / Spent Fuel Building Exhaust Air Filtration Units will be maintained
{
1 *-
functionalin accordance with the preventive maintenance and routine test programs.
These filtration units each contain a pre /HEPA filter bank and a carbon adsorber section. The pre /HEPA filter is being maintained as described above. The carbon adsorber is no longer maintained in the absence of radioactive iodine compounds.
le 13.
The Reactor Building Purge Air Handlers will be maintained functional on an as-needed basis until replaced by an alternate means of ventilation. Thereafter, the system will be abandoned.
o-The Reactor Building Purge Exhaust Filtration Unit is equipped with a pre /HEPA filter bank and a carbon adsorber section. The pre /HEPA filter bank is maintained as described above. The carbon adsorber section is no longer maintained in the absence of radioactive iodine compounds.
14.
Reactor Building Emergency Cooling Units will be abandoned in place.
le 15.
Reactor Building Normal Cooling Units A-520A/B/C/D will be abandoned during t
preparation for Custodial SAFSTOR. Reactor Building Normal Cooling Units A-520E/F will be maintained functional on an as-needed basis. After the RB alternate ventilation flow path is installed, the units will be abandoned.
16.
The Reactor Cavity Ventilators will be maintained functional on an as-needed basis.
14 -
They will be abandoned in place during Custodial SAFSTOR.
17.
The IOSB HVAC Units will be maintained functional on an as-needed basis.
18.
The Administration Building HVAC System will be maintained functional as long as cooling for offices is necessary. When no longer needed, the refrigerant will be removed from the chiller and heat pump. The fans and filters will then be 1 *-
abandoned.
19.
HVAC System to be maintained functional as long as building occupancy is necessary. When occupancy on a regular basis is no longer necessary, refrigerant will be removed from the refrigeration system. Filters, fans, dampers, and duct will be 1 *-
maintained on an as-needed basis. Systems may be abandoned if access to buildings is not necessary.
I l
'