ML19340D114
| ML19340D114 | |
| Person / Time | |
|---|---|
| Site: | Midland |
| Issue date: | 12/01/1980 |
| From: | Hood D Office of Nuclear Reactor Regulation |
| To: | Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML19340D115 | List: |
| References | |
| NUDOCS 8012290107 | |
| Download: ML19340D114 (11) | |
Text
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etbt f:cs. 50-329/22('
r L V 3*CU!' FCF:. idland Technical Hearing Participants FPC9:
Carl Mccd, Pre;ect T*anager, Licensinc 3 ranch 13 CL SL'8 JECT:
ST/,FF REFUESTS FCP I!;FT'AT!Ctl mig !TATb5 CF HELNC SCIL SETTLE.*E:iT MTTCP POICR TC CECE'-EE:? 6,1979 Te as:ist ycu in preparing fer the.'idland hearing en soils. Encicsure 1 identifies the fer:al recuests fer infer-aticn recuested prict to Oecener 6,1979 by :he "FC staff in reCards to the scil settlement problem at :.iciano Plant, Units 1 aro 2.
The cate Decertter 6,1979 ccrresponcs to tne issuance cf the crcer by the roc which ;rchibits certain construction activities relatec tc sc'1s until the a;plicant seeks and is granted an amenczent to the ccnstructico per;its. Enclosure 1 cces ret include recuests, if any, during meetings, telephene discussions, er site teurt unless such requests v.cre felicwed up by formal written recuests.
Encicsure 1 also shcws all of the applicant's res;cnses relatec to soils by revision number and revisicn date, tc the present date. Revfsicns 11stad telcw the breken line occur after Decc.eter 6,1979. The FSM anc 50.5J(f) respenses maintained by the staff project mana5er provide a cceplete set, inclucing super-cae'ed rages, and may to reviewed upcn recuest.
In scre cases, staff fc11cw-up requests are identified in Encicsure 1.
- Ecwever, the list cf fo11cw-:: recuests is not necessarily ccrrelete.
D cicsure
< cvides a chrcnolccy cf events related to staff review cf the scil settlement matter at Holana thrcuch 1979.
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Licensing 2 ranch !3 Civision of Licensing I
Enciesures:
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As stated
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DISTRIBUTION:
Docket File 50-329/330 FRinaldi (2)
JKimball RXncp LPOR Acappucci (2)
TCardone JGilray Glear L3 13 RDG RShewmaker JKn1ght l
FMiraglia EGallagher (IE-R-III) Ray Gon: ales 6012290(o')&
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DHood WPaton RBosnak LHeller Brad Jones FSchauer JKane(2)
,RJackson GFiorelli
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Staff Requests on Soil Settlement Issued Prior to Decemter 6, 1979 1.
S. Varga letter of December 11, 1978, " Staff Positions anc Recuests for i
Adcitional Informatter (Part 1)*:
(a) SES 130.21 Asks for seismic / structural evaluaticri of settling Cat. I structures, hcw stresses from differential settlement cf fcuncaticns and preloading activities have been or will be factored into evaluations, and for ccmparisen to cal-culated stresses to ACI cede allcwables.
Applicant Respcnse Dates:
Rcy. 17,1/25/79 Rev. 18, 2/26/79 Rev. 20, 4/26/79 Rev. 24, 9/28/79 Rev. 26, 1/30/80 Rev. 27, 3/31/80 Staff Follow-up Requests: 15, 25, 26 (b) G/TE 362.11 Questionsdifferential settlement between Reactor Containment and Auxiliary Building. Asks for assurance that the D&M maximum limi will not be exceeded.
Applicant Response Dates:
Rev. 17, 1/25/79 Rev. 16, 2/26/79 Rev. 20, 4/26/79 I
Rev. 24, 9/28/79 t
Rev. 26, 1/30/80 (c) G/TE 362/12 Asks for cescription of, and schedule for, the preloading program for Diesel Generator Building.
Applicant Response Dates:
Rev. 17, 1/25/79 Rev. 18, 2/26/79 Rev. 20, 4/26/79 i
I Rev. 21, 5/31/79 l
Rev. 26, 1/30/79 l
e 9 (a) G/TE 362.13 Asks for program for reassessing backfill properties after preloading. Also asks for program anc scnedule for confirming cynamic characteristics of fill for seismic analysis.
Applicant Respcnse Dates:
Rev. 17, 1/25/79 Rev. 18, 2/26/79 Rev. 20, 4/26/79 Staft Follow-up Requests: " Fill" Request 5, 35, 37 2
S. Varga letter of January 18, 1979, " Staff Positions and Requests for Accitional Information (Part 3)"
(a) PSB 40.106 (1) Asks for criteria and considerations te preclude aaverse affects of settlement on diesel generator fuel oil lines.
(2) Asks for methoc of monitoring anc criteria for fuel cil line functional assurance in view of settling anc preloading.
(3) Asks for criteria and considerations to preclude adverse affects of settlement on fuel oil tanks, icentification of tank backfill, mcnitoring and settlement results to date, and program to preclude overstressing lines due to tank settlement.
Applicant Response Dates:
Rev. 18, 2/26/79 Rev. 20, 4/26/79 Rev. 24, 9/28/79 Rev. 26, 1/30/80 Note: Applicant's response fails to reveal that some of the fill for the fuel tanks was not placed as Zone 2.
Staff Follow-up Requests:
6, 33
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3 (b) G/TE 362.14
'ahat measures to avcid excessive settlement of Service Water Intake Structure?
Applicant Response Dates:
Rev. 18, 2/26/79 Rev. 20, 4/26/79 Rev. 24, 9/28/79 Rev. 26, 1/30/80 3
(c) G/TE 362.15 Icentify changes in compaction centrol spec.
i Applicant Re;ponse 06tes:
Rev. 18, 2/26/79 Rev. 24, 9/28/79 1
(d) G/TE 362.16 Asks for copy of " Settlement Evaluation for Plant Area" Applicant Response Dates:
Rev. 18, 2/26/79 Rev. 24, 9/28/79 Rev$h6$1/0/bb (e) G/TE 362.17 asks for ultimate settlement of Diesel Generater Building j
using proper founcation configuation.
t Applicant Response Dates:
Rev.18, 2/26/79 Rev. 19, 3/27/79 Rev. 20, 4/26/79 Rev. 24. 9/28/79 Rev. 26, 1/30/80 i
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H. Denton letter of March 21, 1979, "10 CFk 50.54 Request Regarding plant Fill" Question 1. quality Assurance Applicant Response Dates:
Staff Fo11cw-up Requests:
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" Fill" Rev. O, 4/24/79 Question 23 Fill Rev. 1, 5/31/79 j
Questien 2 - Grouting natural sand deposits i
Applicant Response Cate:
l Fill Rev. O, 4/24/79 Question 3 - Clarify when the settlement problem was discovered.
Applicant Response Date:
4 Fill Rev. O, 4/24/79 4
I Question 4 - Asks for criteria and justification of fill, structures and utilities after preloading program. Also asks for allowable settlement limits after fix and basis.
Applicant Response Dates:
Staff Follow-up Request: 40
" Fill" Rev. O, 4/24/79 Fill Rev. 3, 9/13/79 Fill Rev. 5, 2/28/80 l
Question 5 - What borings will be taken after preload7 l
(Fo11cw-up of 362.13) l i
Applicant Response Date:
Rev. O, 4/24/79 Question 6 - Asks for assurance for proposed tank fixes.
Applicant Response Dates:
Staff Follow-up Requests:
Rev. O, 4/2a/79 31, 32,'33, 43, 44 Rev. 1, 5/31/79 Rev. 3, 9/13/79 I
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. Guestion 7 - How to cetermine acequacy of electrical duct banks?
Applicant Respense Dates:
Staff Folicw-up Request:
Rev. O, 4/24/79 30 Rev. 3, 9/13/79 Question 8 - Criteria for ciesel generator pecestals.
Applicant Respcnse Date:
Rev. O, 4/24/79 Questions 9 and 11
- Expresses neea for borings under structures Applicant Response Date:
Rev. O, 4/24/79 i
Questien 10- Effects of settlement uncer mat fcundations Applicant Response Date:
Rev. O, 4/24/79 Questien 12-Determine prcperties and performance of soils and natural sands under structures. Ccmpare to PSAR.
Applicant Response Dates:
Rev. O, 4/24/79 c
l Rev. 1, S/31/79 l
Rev. 2, 7/9/79 l
Rev. 3, 9/13/79 Question 13-How has seismic response spectra changed?
Applicant Response Dates:
Rev. O, 4/24/79 Rev. 1, 5/31/79 Question 14-Asks for evaluation of Cat. I structures on fil1. Also evaluate ces -
l Applicant Response Dates:
Rev. O, 4/24/79 Rev. 3, 9/13/79 j'
Rev. 5, 2/28/80 i
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6 Question 15. Evaluate structures partially on fill. Include settlen,ent before and curing SSE.
Applicant Respcnse Dates:
Rev. O, 4/Ff/79 (lcac combinations)
Rev. 3, 9/13/79 Question 16. Assurance of continuous support for uncerground pipe Applicant Response Dates:
Rev. O, 2/24/79 Rev. 5, 2/28/80 (deletes borings premised by Rev. 0)
Question 17 - Criteria for uncerground pipe Applicant Response Dates:
Staff Folicw-up Request:
Rev. O, 4/24/79 Tedesco letter of 10/20/80 and Rev. 2, 7/9/79 and applicant's reply of 11/14/80 Rev. 5, 2/28/80 Question 18 - Criterie for piping in and between buildings Applicant Response Dates:
Rev. O, 4/24/79 Rev. 5, 2/2S/80 Question 19. Pipe deformation Applicant Response Dates:
Rev. O, 4/24/79 Rev. 5, 2/28/80 Question 20. Stress levels of ccmponents Applicant Response Dates:
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Rev. O, 4/24/79 i
Rev. 2, 7/9/79 Rev. 5, 2/28/80 l
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. i Question 21 - Basis for selection of 0.G. options Applicant Respense Date:
Rev. O, 4/24/79 Questien 22 - Effect of stop work on planned activities Applicant Response Date:
Rev. O, 4/24/79 4.
S. Varga letter of March 30, 1979, "Open Items Asscciated with Staff Review of Midland Plant, Units 1 & 2 FSAR" PSB Item 3 - Reiterates PSB Question 40.106 ASB Item.7 - Expresses concern for integrity of underground pipe GSB Item 1 - Notes that staff does not accept seismic input design information (g valut GTE Item 1 - Repeats 50.54(f) concerns due to settlement GTE Item 2 - Notes staff concern as to whether applicant remcved locse natural sands at site as required by CP review GTE Item 3 - Notes staff concerns per 362.8 regarding development of Phreatic surface incooling pond embankment and ccmparison of observed surface to that assumed for stability analysis SEB Item I - Repeats 130.21 and 130.17 concern for stress evaluations of structures on fill and load ccmbinaticn term for differential settlement 5.
L. Rubenstein letter of September 11,1979, " Request for Acditional Quality Assurance Information" (23)
Request 23 - Quality Control Applicant Response Dates:
Rev. 4, 11/13/79 Rev. 5, 2/28/80 Rev. 8, 8/15/80 6.
L. Rubenstein letter of November 19,1979, " Supplemental 10 CFR 50.54 Requests Regarding Plant Fill" (24 - 35)
Note: As stated in the Order, none of these responses were made as of December 6, 1979 l
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Chronology of Soils Related Events Throuch 1979 8/22/78 IE Resident Inspector first advised of unusual settlement 9/7/78 Applicant provides verbal report to IE, Reg. III 9/29/78 First 50.55(e) interim report issued 11/1/78 Keppler memo to Thornburg asking NRR support 11/7/78 Applicant issues second 50.55(e) interim report 11/17/78 NRC extends CP completion dates 12/3-4/78 Tour and meeting with NRC at site 12/11/78
'NRC issues Q-2s, part 1 12/14/78 OL Special Prehearing Conference held.
Includes two contentions on soil settlement.
12/21/78 Applicant issues third 50.55(e) interim report. States that Preload is corrective action selected for Diesel Generator Building.
1/5/79.
Applicant issues further third 50.55(e) interim report.
1/18/79 NRC issues Q-2s, part 3 1/25/79.
Applicant issues FSAR Amendment 17 responding to requests 130.21, 362.11, 362.12, 362.13 2/1/79 Applicant begins placing fill at site 2/23/79 OL Prehearing Conference Order accepts Marshall contention 2 and Sinclair contention 24 2/23/79 Applicant issues fourth 50.55(e) interim report 1
2/23/79 Meeting with applicant at Region III office 2/25/79 Applicant submits FSAR Revision 18 changing responses to requests 130.21, 362.11, 362.12, 362.13, and providing initial response to 40.1C6, 362.14 through 362.17 3/5/79 Meeting with applicant, IE and NRR at site 3/6/79 Site tour l
3/21/79 Staff issues first set of 50.54(f) requests (1-22) l l
3/27/79 Aoplicant submits FSAR Revision 19 changing response to request 362.17 i
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3/28/79 TMI-2 accident occurs 3/30/79 Staff letter on open items frem FSAR review 4/24/79 Applicant submits initial reply to 50.54(f) requests (1-22) 4/26/79 Acolicant submits FSAR Revision 20 (130.21, 362.11-360.14, 40.106, 362.17) 4/30/79 Applicant submits fifth 50.55(e) interim report 5/31/79 Applicant submits F5AR Revision il (362.12) 5/31/79 Applicant submits Revision 1 to 50.54(f) responses (11, 6,12,13) 6/7/79 NRC site visit to observe test pits 6/25/79 Apolicant issues sixth 50.55(e) interim report 7/9/79 Applicant issues Revision 2 to 50.54(f) responses (#12,17, 20) 7,'18/79 Meeting on soils fixes 7/19/79 Meeting with applicant on seismic design input and geology 8/10/79 Applicant issues summary of 7/18/79 meeting as part of 50.55(e) interim report 6.
o/5/79 Applicant issues 50.55(e) interim report 7 Meeting on draft (50.54(f) request 23 on quality assurance 9/5/79 NRC issues a0.54 f) recuest 23 on quality assurance 9/11/79 9/13/79 Applicant issues Revision 3 to 50.54(f) responses (4, 6, 7,12,14,15) 9/15/79 Applicant begins removal of surcharge from DG Sufiding 9/28/79 Applicant issues FSAR Revision 24 (130.21, 362.11, 40.106, 362.14-362.17) 9/30/79 Sat. surcharge removal completed 10/16/79 NRC advises that Corps of Engineers to assist with geotech review 11/2/79 Aoplicant issues 50.55(e) interim report 8 11/13/79 Applicant submits Revision 4 to 50.54(f) responses (23) 11/14/79 Corps of Engineers and NRC visit site
. 11/19/79 Staff issues supplemental 50.54(f) requests 24-35 12/6/79 NRC issues Order :nodifying construction pernits 12/19/79 Applicant files request for CP amendment and requests staff approval of proposed remedial actions. Amendment 72.
12/26/79 Applicant requests hearing pursuant to Order J