ML19309H604

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Forwards Supplemental Info Re Confirmatory Piping Analysis for Facility Including Response to NRC 800229 Telcon Questions,Sargent & Lundy Updated Analytical Drawing, Explanation of Stress Analysis & Dynamic Load Description
ML19309H604
Person / Time
Site: LaSalle  Constellation icon.png
Issue date: 05/06/1980
From: Delgeorge L
COMMONWEALTH EDISON CO.
To: Bournia A
NRC COMMISSION (OCM)
Shared Package
ML19309H605 List:
References
NUDOCS 8005130555
Download: ML19309H604 (12)
v • d • e


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/ N Commonwe:lth Edison

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(C 7,,/Accress Chicago. Recty to: Post Othee Box 767 Illinois 60690 F l

May 6, 1980 Mr. A. Sournia Division of Project Management U.S. Nuclear Regulatory Commission dasnington, DC 20555 Suoject: Supplemental Information Concerning Confirmatory Piping Analysis for LLSalle County Station Units 1 and 2 NRC Occket Nos. 50-373 anc 50-374

Dear Mr. Sournia:

As a follow-uo to our February 29, 1980 telecon with the NRC and their Consultants, I am forwarding herewith two copies of tne following:

1. The NRC questions that formed the basis of our telecon with them, designated, " Appendix B, Questions to S&L, Analy sis o f Piping System 1RH40BA-12" . Our resocnses have ceen added following these questions; therecy, confirming the clarifications provided in the telecon (Attachment I).
2. Sargent & Lundy analytical drawing M-1041-4, Revision 0, dated 12-12-79, Sheets 1 tnrcugh 4 These drawings ,

nave been updated to reflect the "for record" I information submitted from the field (Attachment II). l l

3. An explanation of tne coordinate system utilizec for input into Sargent & Luncy's piping stress analysis program, PIPSYS, including a sketch of the axes and associatec angle nomenclature. This will assist tne I NRC in understanding the information presentec on tne analytical dranings with resoect to support orientation (Attachment III).

4 A cescription of the locations of the displacement time nistories for each of the dynamic loads, along with the simplified models to cetter define these locations (Attacrment IV).

In accordance witn your instructions, by copy of this letter, one copy of tnis informati:n .as sent to Dr. Rodabaugn and Bec/

SE THIS DOCUMENT CONTAINS f/j l P00R QUALITY PAGES l

l

Mr. A. Bournia Aoril 6, 1980 Page 2 one copy to Mr. Moore of ORNL. It is my understancing that you will forwarc a copy to Mr. R. Stevens (NRR-MES).

In reviewing our submittals to the NRC, it was ascertained that accitional information woulc be required by them for the vertical OBE analysis. The re fore , we have also forwardeo, by copy of this, a computer tape serial number 0987 to Mr. Macre of ORNL for nis use. A printout of tne file was also submitted for his reference. Tne format of the tape is the same as tnat previously provideo, namely:

a. 9 track, 1600 BPI, unlabeled
b. IBM-ESCOIC format
c. Record length is 80 characters
d. Block size is 1600 cnaracters The NRC is again recuested to return the taces when the information nas ceen extractec.

If you have any further questions, please direct them to this office.

Sincerely,

'l/[ #f C L. O . DelGeo rg'e Nuclear Licensing Administrator 3605A

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FAe3 1o02 CECO-LSCS

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Explanation of PIPSYS Coordinate System PIPSYS uses two right-handed orthogonal Cartesian coordinate systems. One of these is called the global system (labeled X, Y, Z) and is associated with the overall structure. The other is called the local / member coordinate system (labeled A, B, C) and is associated with each member.

In scme situations, it is desirable to use coordinate systems other than the X, Y, Z system. PIPSYS provides the capability to rotate from the global system to any desired orientation and at various nodes. The skew axis is defined by 03, 0'0 2 1 corresponds to the 91 , 92'83 shown in the fi@ure enclosed.

O - XYZ . original global coordinate system O - XYZ rotated global coordinate system for Oy, 02,03 , rotation The e rotation is the first rotation which is about the 3 axis.

axis.

The 0 2 rotation l's the second rotation which is about the Y' .

The 0 3 rotation is the third rotation which is about the Z'! axis.

The rotations, no matter how many used, must be taken in the 1, 2, 3 order.

~

An X-skew restraint is one whose centerline is aligned with the I axis.

A Y-skew restraint is ene whose centerline is aligned with the Y axis.

A 3-skew restraint is one whose centerline is aligned with the Z axis.

Please note that for X-skewed restraints, only 92 should be used (91=O3=0)

For Y-skewed restraints, only 0 +03 2 should be used (91 -02 =0 or 9 2 "9 3=0)

For Z-skewed restraints, only G 2+93 should be used (91-0)

Actation cannot be made out of order - G1 is always first, foll:wed by 9 2+93 Posit ve rgtations are defined in the enclosed figure.

Cales. For A W. ,Il. o, 2. o c 2 Cale. No.

SARGENT hl. UNDY Rm I ca.e a manNaass e .

C " 'C ^ #" i Safety-Refated l Non-Safety-R elated Psee of _

Client Precared by / /[i / 4* d // lDate ./ YiIf 3 Protect Reviewed by if b .c -

Date "thk  :)

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I CD d CARGENT & LUNDY

  • ENGINEER 9 cmeAco Commonwealth Edison Ccmpany LaSalle County Station, Units 1 and 2 ATTACHME4Y IV Locations of Displacement Time Histories for the SRV Symmetric Responses, Refer to Figure 1 Node Point Number Location Elevation 299 Containment Wall 771'-2" 303 Sacrificial Shield
  • 317 Containment Wall 7 9.5 '- 5 "

320 Sacrificial Shield 804'-0" 324 Contain=ent Wall 807'-0" for the Horizontal OBE Seismic Responsen, "

Refer to Figure 2 Node Point Number Location Elevation

~

39 Containment Wall 755'-1" 40- Containment Wall 786'-6' 50 Sacrificial Shield

  • 51 Sacrificial Shield 804'-0" 53 RPV
  • for the Vertical CBE Seismic Responses, ,

Refer to Figure 3 Node Point Number Location Elevation 22 Containment Wall 761'-0" 29 Containment Wall 786'-6" 41 Containment Wall 807'-0" 44 Containment Wall 823'-6"

  • NCTE: Since only one nede point is provided en these components, their respective responses are applicabic from El. 755' to EL. 303'.

M TY. \V SARGENT & LUNDY ENGINEERS CMicAco Commonwealth Edison Company LaSalle County Station, Units 1 and 2 T{ ACTOR EU.1LDING RP/ 32f-3P_O STAM+LIZERN317 N 207* -

o 303 2.99 .

SHIELD CONTAINMENT PECESTAL Figura 1: Locatien of the Symmetric SRV Quenchor Displacement Response Time Histories.

4 e

A tr. W CARGENT & LUNDY ,

^" 5 OF

, snosncens l CMICARC Ccm=onwcalth Edison Company LaSalle County Station, Units 1 and 2 REACTOR BUILDING s

RPV 51 STAMLIZU1 N Wl 53 o e '50 "

)

.CONTAIHKENT ,

SHIELD 39 -

PEDESTAE Migure 2: Lccation of the Heri::Ontal CSE Displacement Respcnse Time Histories I

i

- H Yr. s v AM O OF A CARGENT & LUNDY

, ENGENEERS CM: caco Com.cnwealth Edison Company LaSalle County Station, Units 1 and 2

REACTOR BJ1LDING

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Figure 3: I.ccation cf the Vertical CBE Displacement Res;cnse Ti=e Histories e e

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