ML20050D564

Forwards Notes from Structural Engineering Branch Design Audit Conducted 820329-0402

ML20050D564
Person / Time
Site:	Seabrook
Issue date:	04/08/1982
From:	Devincentis J PUBLIC SERVICE CO. OF NEW HAMPSHIRE, YANKEE ATOMIC ELECTRIC CO.
To:	Miraglia F Office of Nuclear Reactor Regulation
References
SBN-252, NUDOCS 8204120323
Download: ML20050D564 (21)

Text

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SEMOM STATION U mmc e:.avice Engineedng Office:

Companyof NewMr W 1671 Worcester Road Framingham, Massachusetts 01701 (617) - 872-8100 (n j e

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April 8, 1982 N',

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,0 Attention:

Mr. Frank J. Mi raglia, Chief Licensing Branch No. 3 Division of Licensing Referencen.

(a) Const ruc t ion Pe rmits CPPR-135 and CPPR-136, Docke t No s. 50-443 and 50-444 Su bj ec t :

Meeting Notes; Structural Engineering Branch Design Audit Dea r Si r :

We have attached notes from the March 29, 1982 through April 2, 1982 St ructural Engineering Branch Design Audit conducted at the office of United Engineers (Philadelphia, PA).

These notes are provided to assist you in the prepa ration of the Safety Eva luat ion Report, as they highlight open issues, resolved issues, and commitment s which have been tendered.

Very truly yours, YANKEE ATOMIC ELECTRIC COMPANY r{

pw John DeVincentis j

Project Manager

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8204120323 820408 PDR ADOCK 05000443 A

PDR l

(Sheet 1 of 5)

PUBLIC SERVICE COMPANY OF NEW HAMPSHIRE SEABROOK STATION. UNITS 1 & 2 NRC STRUCTURAL ENGINEERING BRANCH DESIGN AUDIT AI UNITED ENGINEERS & CONSTRUCTORS INC.

PHILADELPHIA, PENNSYLVANIA NRC Structural Engineering Branch Design Audit PURPOSE:

per SRP 3.8.4 on RAIs 220.6 thru 220.37 and Audit Questionnaire Subject Matter DATE:

Monday, March 29, 1982 (1:00 p.m.)

ATTENDEES:

See Sheet No. 1 of Attachment A.

AGENDA:

1.

Discussion of the objectives and the conduct of Audit.

2.

Review of Seabrook site and key structures at various stages of construction in progress through slide presentation.

Presentation of an overview of seismic and static 3.

analyses and design methods, as applied to contain-ment structure (including internal structures) and other key structures, such as primary auxiliary building, control and diesel gener-ator building, condensate storage tank, fuel storage building and polar crane support structures.

4.

An overview of Tuesday's Agenda.

(Sheet 2 of 5)

SEABROOK STATION UNITS 1 & 2 NRC-SEB DESIGN AUDIT al UNITED ENGINEERS & CONSTRUCTORS INC.

DATE:

Tuesday, March 30, 1982 ATTENDEES:

See Sheet No. 2 of Attachment A.

AGENDA:

1.

An overview of seismic and static analyses and design methods, as applied to various key structures (continued f rom Monday's meeting) 2.

Audit of analysis and design calculations for the steel lined concrete containment structures.

3.

Seismic analysis of polar crane.

4.

Design of metal portions of equipment hatch and personnel airlock, not backed by concrete, per ASME Code Section III, Division 1.

5.

Overall structural stability of key structures and incorporation of " accidental torsion" based on 5 % eccentricity.

6.

Design status of annular steel framing of the containment internal structures.

The action items identified at this meeting and subsequent resolution achieved are su=marized on Sheet Nos. 1 and 2 of Attachment B.

=_

(Sheet 3 of 5)

SEABROOK STATION UNITS 1 & 2 NRC-SEB DESIGN AUDIT

~

A.I UNITED ENGINEERS & CONSTRUCTORS INC.

DATE:

Wednesday, March 31, 1982 ATTENDEES:

See Sheet No. 3 'f Attachment A.

o AGENDA:

1.

Containment liner integrity with respect to turbine missile.

2.

Containment ultimate capacity study.

3.

Audit of analysis and design calculations for the containment internal structures and primary auxiliary building.

4 4.

An overview of tornado missile protection.

5.

State of rebar stresses and strains for the containment structure.

6.

Analysis and design methods of cable tray.

7.

Interaction of non-Category I structures with Category I structures.

The action items identified at this meeting and f

subsequent resolution achieved are summarized j

on Sheet Nos. 3, 4 and 5 of Attachment B.

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(Sheet 4 of 5)

SEABROOK STATION UNITS 1 & 2 NRC-SEB DESIGN AUDIT AI UNITED ENGINEERS & CONSTRUCTORS INC.

DATE:

Thursday, April 1, 1982 ATTENDEES:

See Sheet No. 4 of Attachment A.

AGENpa:

1.

Audit of analysis and design calculations for control and diesel generator building, con-densate storage tank, fuel storage buildings and polar crane support structures.

2.

Dynamic lateral pressures and shear wave velocity.

3.

Underground piping and underground structures.

4.

Seismic instrumentation.

5.

Spent fuel pool racks.

6.

An overview of RAIs 220.6 thru 220.37.

7.

Other technical issues as necessary.

The action items identified at this meeting and subsequent resolution achieved are summarized on Sheet Nos. 6 thru 9 of Attachment B.

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l (Sheet 5 of 5) i SEABROOK STATION UNITS 1 & 2 NRC-SEB DESIGN AUDIT f

f UNITED ENGINEERS & CONSTRUCTORS INC.

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1 I

DATE:

Friday, April 2, 1982 i

ATTENDEES:

See Sheet No. 5 of Attachment A.

AGENDA; 1.

An overview of ultimate capacity of concrete containment.

J 2.

Further discussion on analysis, design and j

erection methods of cable trays.

' 3.

Review of action items and establish i

i committal dates and.actionees.

4.

Audit terminated at 12 noon.

The action items identified at this meeting and 4

subsequent resolution are summarized on Sheet.

4 No. 10 of Attachment B.

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4 ATTACHMENT A (Sheet 1 of 5) 4 t

l SEABROOK STATION. UNITS 1 & 2 ATTENDANCE ROSTER-SEB MEETING AT, UNITED ENGINEERS & CONSTRUCTORS e

4 March 29, 1982 NAME ORGANIZATION TITLE Howard Wong NRC/IE Rx Construction Engineer Nilesh Chokshi NRC/SEB Structural Engineer Khalid Shaukat NRC/SEB Structural Engineer David C. Jeng NRC/SEB Section A Leader, SEB/DE/NRC i

John Ma NRC/SEB Senior Structural Engineer Richard Toland UE&C/ SAG Mgr. Structural Analysis Dipak Majumder UE&C/ SAG Structural Analysis Group Noshir Karanjia UE&C/ SAG Structural Analysis Group V.N.Vazirani UE&C/ SAG Structural Analysis Group f

Joe Ucciferro

• UE&C Asst. Chief Struct. Engineer j

L.S.Nascimento

• UE&C Chief Structural Engineer Dilip K. Ghosh UE&C Structural Engineer K.M.Kalavadia UE&C Structural Engineer A.J.Hulshizer UE&C Supervising Structural Engineer Paul A. Nason PSNH Project Engineer 4

i llenry E. Wingate YAEC Sr. Project Engineer David H. Rhoads

• UE&C Project Engineering Manager Howard H. Katz UE&C Super. Licensing Engineer i

Alan M. Ebner

• UE&C Project Manager l

l

• Part Time i

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ATTACICIENT A (Sheet 2 of 5) i SEABROOK STATION. UNITS 1 & 2 ATTENDANCE ROSTER-SEB MEETING A,,T, UNITED ENGINEERS & CONSTRUCTORS t

March 30, 1982 NAME ORGANIZATION TITLE Howard Wong NRC/IE Rx Construction Engineer t

I Nilesh Chokshi NRC/SEB Structural Engineer Khalid Shaukat NRC/SEB Structural Engineer David C. Jeng NRC/SEB Section A Leader John S. Ma NRC/SEB Senior Structural Engineer Dipak K. Majumder UE&C Structural Engineer V.N.Vazirani UE&C Structural Engineer N.C.Karanjia UE&C Consulting Engineer K.M.Kalavadia UE&C Structural Engineer Dilip K. Ghosh UE&C Structural Engineer 1

i Howard H. Katz

• UE&C Sup. Licensing Engineer-Seabrook John A. Mott

• UE&C Structural Engineer

+

Allen J. Hulshizer UE&C Supv. Structural Engineer Richard Toland UE&C Manager, Structural Anal. Gr.

Henry E. Wingate

• YAEC Senior Project Engineer Michael Ossing

• YAEC Project Engineer

• Part Time b

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i ATTACEDIENT A (Sheet 3 of 5)

I a

SEABROOK STATION, UNITS 1 & 2 4

ATTENDANCE ROSTER-SEB MEETING l

AT I

UNITED ENGINEERS & CONSTUCTORS March 31, 1982 NAME ORGANIZATION TITLE Howard tJong NRC/IE Rx Construction Engineer i

David C. Jeng NRC, NRR Section A Leader, SEB/NRC Khalid Shaukat NRC/SEB Structural Engineer Nilesh Chokshi NRC/SEB Structural Engineer John S. Ma NRC/SEB Sernior Structural Engineer i

V.D.Patel

• UE&C Structural Engineer John A. Mott

• UE&C Structural Engineer V.N.Vazirani UE&C Structural Engineer Richard Toland UE&C Manager, Struc. Anal. Gr.

Dipak Majumder UE&C Structural Engineer Noshir Karanjia UE6C Consulting Engineer K.M.Kalavadia

• UE&C Structural Engineer 2

Dilip. K. Chosh UE&C Structural Engineer i

Allen J. Hulshizer UE6C Supverising Engineer (Structural)

R. Boritz

• UE&C Consulting Engineet Howard Katz

• UE&C Superv. Licensing Engineer.-Seabrook Michael Ossing YAEC Project Engineer R.KsTucker YAEC SB Lead Mechanical Engineer Joe Ucciferro

• UE6C Asst. Chief Struct. Engineer E. Skolnick UE&C Mechanical Analysis l

R.J.Hammerschlag

• UE6C Mech. Analysis R.F. Perry

• UE&C Mech. Analysis f

• Part Time m

ATTACIDfENT A (Sheet 4 of 5)

SEABROOK STATION, UNITS 1 & 2 ATTENDANCE ROSTER-SEB MEETING AT UNITED ENGINEERS & CONSTRUCTORS April 1, 1982 UA*!E ORGANIZATION TITLE lloward Wong NRC/IE Pa Construction Engineer David C. Jeng NRC/NRR Section A Leader, SEB/NRR Nilesh Chokshi NRC/NRR/SEB Structural Engineer Khalid Shaukat NRC/SEB Structural Engineer

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John S. Ma NRC/SEB Senior Structural Engineer R.K. Tucker YAEC SB Lead Mech. Engineer V.N.Vazirani UE&C Engineer Dipak K. Majumder UE&C Structural Engineer, SAG Noshir Karanjia UE&C Consulting Engineer, SAG D. Patel

• UE&C Geotechnical Engineer Allen J. Iluishizer UE&C Supervising Struct. Engineer V.D.Patel

• UE&C Structural Engineer K.M.Kalawadia UE&C Structural Engineer Dilip K. Ghosh UE&C Structural Engineer Joe Ucciferro

• UE&C Asst. Chief Struct. Engr.

W.H. Reading

• UE&C Struct. Design Supervisor R.F. Perry

• UE&C Mechanical Analysis E.Skolnick

• UE&C Mechanical Analysis L.S.Nascimento

• UE&C Chief Struct. Engr.

II. ll. Ka t z

• UE&C Superv. Licensing Engineer G. Gupta

• UE&C I&C Engineer l

T.C.Yu

• UE&C Mechanical Analysis i

1

• Part Time

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1 ATTAClefENT A SEABROOK STATION, UNITS 1 & 2 ATTENDANCE ROSTER-SEB MEETING AT UNITED ENCi!IEERS & CONSTRUCTORS 1

April 2, 1982 1

J NAME ORGANIZATION TITLE K.M.Kalawadia UE&C Structural Engineer Dilip K. Ghosh UE&C Structural Engineer N.C.Karanjia UE&C Consulting Engineer D.K.Majumder UE&C Structural Engineer R.Toland UE&C Mgr. Structual Analysis V.N.Vazirani UE&C Structural Engineer i

L J.S.Ma NRC/SEB Senior Structual Engineer Nilesh Chokshi NRC/SEB Structural Engineer Khalid Shaukat NRC/SEB Structural Engineer David C. Jeng NRC/SEB Section A Leader, SEB/NRC 4

D.H.Rhoads UE&C P.E.M.

l H.Wingate YAEC Proj. Eng.

I R.F. Perry

• UE&C MAG E.Skolnick

• UE&C MAG Allen J. Hulshizer UE&C Superv. Struct. Eng.

B.B. Scott

• UE&C Asst. Mgr. R&QA-E.P.Rothong

• UE&C Chief Elec. Engr.

A.M. Ebner

• UE&C Project Manager f-L.S.Nascimento

• UE&C Chief Struct. Eng.

J.J.Ucciferro UE&C Asst. Chief Struct. Eng.

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• Part Time l

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l SEABROOK STATION, UNITS 1 & 2 ATTACHMENT B SHEET 10F 30 NRC STRUCTURAL DESIGN AUDIT, 3/29/82 to 4/2/82 ACTION ITEMS *AND RESOLUTION l

DATE:

3/30/82 ITEM ISSUE REQUIRED ACTION RESOLUTION 1

Response to RAI 220.13.

In describing the applicability of damping Resolved based on discussion.

Damping values used in values of R.G. 1.61 to the Seabrook design, Revised response to be submitted by seismic analysis.

UE&C will provide a discussion of the de-April 19, 1982.

sign philosophy wherein a design without excessive conservatism results in stress levels compatable with the given damping values.

Action by R.H. Toland and N.C'.

Karanjia.

2 Response to RAI 220.21.

UE&C will show for the containment struc-Open.

UE6C will provide an assessment of The current technical ture and a typical building that structural the impact for ' accidental torsion' based position of the NRC staff stresses are still acceptable for this con-on 5% cecentricity in the design of the requires the consideration dition.

containment structure and a typical of ' accidental torsion' in Action by Structural discipline, K.M.

Category I structure.

the design of structures.

Kalawadia and D.K. Ghosh, with input from Due to NRC by May 3, 1982.

1 Structural Analysis Group.

l 3

Response to RAI 220.20.

The response should note that soil varia-Resolved based on discussion.

Justification of Il0% peak bility is not a parameter here since Sea-Revised response to be submitted by spreading.

brook is a rock site.

Since soil is the April 19, 1982.

j principal source of variability in seismic response, the 110% peak spreading is justified.

Action by N.C. Karanjia.

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i SEABROOK STATION, UNITS 1 & 2 ATTACHMENT B i

SHEET 2 OF 10 i

4 NRC STRUCTURAL DESIGN AUDIT, 3/29/82 - 4/2/82

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l ACTION ITEMS AND RESOLUTION DATE: 3/30/82 (Con't.)

ITEM ISSUE REQUIRED ACTION RESOLUTION t

4 Response to Rdl 220.18.

The UE&C response should note the compatibil-Resolved. Revised response will show the Meeting the intent of R.G.

ity of its method to the intent of the Reg, comparison of results obtained using fre-1.122 frequency incre-Guide.

quencies from two different documented l

ments in calculating Action by N.C. Karanjia.

tables. Due to NRC by April 19, 1982.

i floor response spectra.

i 1

5 Response to RAI 220.29.

Clarification of load combination which Resolved. Revised response to be submitted J

Load combinations for controls the design.

by April 19, 1982.

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l equipment hatch and Action by Mechanical Analysis Group.

l personnel locks.

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Response to RAl 220.30.

Clarification of load combination which Resolved. Revised response to be~ submitted j

Stress limits for equip-controls the design.

by April 19, 1982.

I ment hatch and Action by Hechanical Analysis Group.

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personnel locks.

i 4

7 Response to RAI 220.26.

UE&C will clarify its response especially Resolved. Revised response to be submitted

+

j Effect of temperature with regards to the ASME provisions for by April 19, 1982.

j gradient across the wall rebar strain.

on containment struc-Action by R.H. Toland.

I tural design.

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i SEABROOK STATION, UNITS I & 2 ATTACHMENT B SHEET 3 OF 10 NRC STRUCTURAL DESIGN AUDIT, 3/29/82 - 4/2/82 ACTION ITEMS AND RESOLUTION 4

i DATE: 3/31/82 ITEM ISSUE REQUIRED ACTION RESOLUTION t

l 1

Response of RAI 220.11.

UE&C will clarify the issue and terminology Open.

Revised response consistent with Clarification of termino 1-as required.

the present industry design practice to ogy; Disagreement on Action by Bob Boritz, Al Hulshizer and be submitted by Ray 3, 1982.

basic physical phenomenon.

R.H. Toland 2

Response to RAI 220.37.

UE&C will give an overview of ultimate Open.

UE&C to submit the ultimate con-Ultimate Containment capacity of concrete containment on 4/2/82 tainment capacity study for the membrane Capacity Study.

and a date when study could be completed.

region by July 1, 1982.

Action by R.H. Toland and D.K. Chosh.

3 a) Overturning analysis of UE&C will provide this information.

Resolved. Supporting documents to be i

the. primary auxiliary submitted by April 19, 1982.

b1dg. giving the sum-mary of the final calculation b) A generic statement Action taken by Structural discipline that the approach taken with input from Structural Analysis by UE&C in Seabrook is Croup.

conservative.

c) A supporting study for this approach.

l 4

Tornado missile protection. UE6C will provide a copy of calculation Calculation to be submitted by April 19, l

pages showing 12"4 steel pipe, 13 "f utility -

1982, pole & automobile missiles including the forcing function.

Action by R.H. Toland.

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SEABROOK STATION, UNITS 1 & 2 ATTACUMENT B SUEET 4 0F 10 NRC STRUCTURAL DESICN AUDIT, 3/29/82 - 4/2/82 ACTION ITDtS AND RESOLUTION DATE: 3/31/82 (Cont't.)

ITDI ISSUE REQUIRED ACTION RESOLUTION 5

NRC requires responses to UE&C will provide responses by Friday, Open. UE&C's response to question Nos. a),

the following questions 4/2/82.

b) and c) was provided for NRC's review with respect to cable Action by R.F. Perry and E. Skolnick.

on 4/2/82. Total response to all questions a) through d) due to NRC by May 19, 1982, tray analysis:

a) Why is static load /

deflection test suita-ble for the dynamic case?

b) Show that cable integ-rity is maintained when tray is deformed to proportional load limit +1/3 (ultimate load limit - propor-tional load limit).

c) What is load criteria for for connection of hor-izontal strut to verti-cal strut, with cable tray placed on horizontal strut.

d) How is differential displacement between consecutive supports accounted for?

m.

l SEABROOK STATION, UNITS 1 & 2 ATTACliMENT B i

SHEET 5 OF 10 NRC STRUCTURAL DESIGN AUDIT, 3/29/82 - 4/2/82 l

ACTION ITEMS AND RESOLUTION a

DATE: 3/31/82 (Con't.)

ITEM ISSUE REQUIRED ACTION RESOLUTION 6

Calculation of Anchor UE&C will provide this Anchor Plate Item closed based on presented j

Plates.

calculation.

calculation.

j Action by Structural Discipline.

A. Hulshizer i

i 1

7 Rebar details, forces and UE&C will provide such information.

Typical design data for mechanical moments due to pressure.

Action by D.K."Chosh.

loads and the resulting stresses /

temperature and earthquake strains in rebars and concrete for two sections of the (as discussed on 4/2/82) to be l

containment-one'in membrane submitted by April 19, 1982.

area, and one at wall base junction.

+

t 8

Effect of Switch Cear UE6C will provide the calculation.

Item closed based on presented documents.

Building (Non-Category 1)

Action by Structural Discipline.

i on the Control Building (Catetory I). Show how seismic / wind loads were calculated including con-sideration of the dynamic nature of the load.

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SEABROOK STATION, UNITS 1 & 2 ATTACHMENT B i

SHEET 6 0F 10

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NRC STRUCTURAL DESIGN AUDIT. 3/29/82 to 4/2/82 ACTION ITEMS AND RESOLUTION _

k DATE: 4/1/82 a

RESOLUTION REQUIRED ACTION I ITEM ISSUE Open. Response (being consistent with l

1 Clarify the criteria for UE&C will provide such criteria.

actual work perforced and identifying

)

rigid and non-rigid walls Action by Structural Discipline.

all the non-rigid walls) to be submitted i

subjected to static and by May 3, 1982.

dynamic lateral earth pressures.

f i

Open. Response to be submitted by 2

Justify why wave other UE&C will provide this information.

May 3, 1982.

than shear wave is not Action by N.C. Karanjia.

considered in calcu-1' lating soil strain.

i Item closed based on discussion and 3

Discuss the seismic UE&C to discuss.

presented documents.

instrumentation and basis Action by G. Cupta of I & C Discipline.

for its location; also identify operator's notification.

Item resolved based on presented 4

Confirm the value of UE&C to provide such information.

documents. For the purpose of dynamic soil pressure used Action by D. Patel, confirmation, calculation to be submitted in conformance with the by April 19, 1982.

parameters given in RAI 220.16. Acceptance of this I

parameter will be done by Geotechnical Branch of NRC.

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SEABROOK STATION, UNITS 1 & 2 ATTACHMENT R i

SilEET 7 0F 10 j

NRC STRUCTURAL DESIGN AUDIT 3/29/82 to 4/2/82 i

ACTION ITEMS AND RESOLUTION 1

l DATE: 4/1/82 (Con't.)

i ITEM ISSUE REQUIRED ACTION RESOLUTION l

5 Response to RAI 220.36 UE&C to submit.

Item resolved based on discussion.

will be submitted as dis-Action by N.C. Karanjia.

Response to be submitted by April 19, cussed (add effects of

1982, i

filtering of time-history motion through structures).

)

6 Revise response to RAI UE&C to revise.

Resolved. Refer to Item _#4, dated 220.18 as discussed.

Action by N.C.'Karanjia.

3/30/82.

Show comparison of results obtained using frequencies i

from two different i

documented tables.

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7 7

Revise response to RAI Structural Discipline to revise.

Resolved. Revised response to be lc 220.9 as discussed.

Action by D.K. Chosh.

submitted by April 19, 1982.

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8 Res'ponse to RAI 220.14 UE&C to submit.

Open.

Response as discussed to be and 220.15 to be sub-submitted by April 19, 1982.

mitted.

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Re ise response to RAI UE&C to revise.

Resolved. Revised response to be submitted 22C.17 as discussed, (give Action by N.C. Karanjia.

by May 3, 1982 reference to Whitman's paper).

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1 SEABROOK STATION, UNITS 1 & 2 ATTACHMENT B SilEET 8 0F 10 NRC STRUCTURAL DESIGN AUDIT, 3/29/82 to 4/2/82 ACTION ITEMS AND RESOLUTION f

DATE: 4/1/82 (Con't.)

t I

ITEH ISSUE REQUIRED ACTION RESOLUTION

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10 Response to RAI 220.24 UE&C to re-submit.

Item resolved. Response will include an

[

]

not adequate. Re-submit.

Action by Mechanical Analysis Group, additional sentence, " Conservatism in I

j combining modal responses is equal to or l

greater than that recommended in Regulatory Guide 1.92."

Due to NCR by April 19, 1982.

11 Needs the discussion >f UE6C to revise.

Resolved. Discussion will be provided amplification of input Action by N.C. Karanjia.

in the revised response. Due to NRC by motion with respect to thy 3, 1982.

RAI 220.25.

I 1

o 12 NRC will send revised Action by NRC.

Open. NRC to provide YAEC with the revised position on RAI 220.35.

position. Due to YAEC by April 19, 1982.

13 Discussed the status of response to the following i

RAI's:

220.6 N/A Resolved based on submitted response.

220.7 N/A Resolved based on submitted response.

l 220.8 Correct typographical error from " radio" Resolved. Corrected response to be to " radial" submitted by April 19, 1982.

220.10 N/A Resolved based on submitted response.

I 220.12 N/A Resolved based on submitted response.

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$EABR007 STATIONi_ UNITS 1 & 2 A1 TAC 11 MENT B

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S11EET 9 OF 10 NRC STRUCTURAL DEh!CN ' AUDIT, 3/29/82 to 4/2/82 ACTION ITE'S AND RESOLUTION M

DATE: _4/1/8E (Coc*t.)

/

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.i ITEM f_SSUE REpUIRED ACiIdN

'NESOLUTION

/

13 (Continued)

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220.22 Refer to Item #3, dated 3/31/82.

220.23 N/A Resolved based on submitted response.

220.28 N/A Resolved based on submitted response.

220.31 N/A Resolved based on submitted response.

220.32 UE6C to submit the results of a detailed Open.

Due to NRC by July 30, 1982.

review of ACI-318 versus ACI-349.

220.33 N/A Resolved based on submitted response.

14 Clarify response to UE&C to explain.

Open.

Clarified the ASME Code position RAI 220.27.

Action by B.B. Scott.

regarding the use of prepackaged grout and epoxies. Revised response to be submitted by April 19, 1982. NRC will be advised of the progress of the issue.

SEABROOK STATION, UNITS 1 & 2 ATTAC!! MENT B SilEET 10 0F 10 NRC STRUCTURAL DESIGN AUDIT, 3/29/82 to 4/2/82 j

j ACTION ITEMS AND RESOLUTION i

DATE: 4/2/82 (Con' t.)

i ITEM ISSUE REQUIRED ACTION RESOLUTION j

1 Provide the NRC with the UE&C to submit required information.

Item 1(b) closed based on presented following information re-Action by E.P. Rothong, R.F. Perry response. Response to all other garding the design of and E. Skolnick.

questions to be submitted by April 19, 1982 cable tray:

See also Item #5, dated 3/31/82.

a) Technical basis for treating the trays as Open.

non-safety related structural elements.

b) Confirm that these Closed.

2 trays were erected to the QA requirements of 1

Appendix B to Part 50.

j c) Provide any available Open.

test data which would I

further assure the structural integrity and functionality of the 1

trays when subjected to SSE and other applicable loads.

d) Check IEEE 344 applica-

Open, ble provision which may require additional bases for establishing non-safety related structural elements.

..._