ML20099F415

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Forwards Telcon Repts Associated W/Phase 4 of Independent Assessment Program & Program Plan Document
ML20099F415
Person / Time
Site: Comanche Peak  Luminant icon.png
Issue date: 05/22/1984
From: Williams N
CYGNA ENERGY SERVICES
To: Ellis J
Citizens Association for Sound Energy
References
84056.004, NUDOCS 8411260410
Download: ML20099F415 (41)
v • d • e


Text

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70, 101 Cahtornia Street. Suite 1000. San Francisco. CA 941115894 415 397 5600 May 22,1984 .

84056.004 Mrs. Juanita Ellis President, CASE I426 S. Polk Dollos, Texas 75224 fd 4gg -

Telecon Transmittal #2 Comanche Peak Steam Electric Station independent Assessment Program - Phase 4 Job No. 84056

Dear Mrs. Ellis:

Enclosed please find telecons associated with the Phase 4 Independent Assessment Progrom and the program plan document.

If you have any questions or desire to discuss any of these documents please don't hesitate to coll. If you are unable to reach me in the Cygno Son Francisco office ask for Ms. Donno Oldog at the some number. ,

Very truly yours, A

N.H. Willio Project Man er NHW/dhb Attachment ec: Refer B. Bloch, Esq. (USNRC, w/ program plan only)

Mr. S. Treby (US NRC) w/o Mr. D. Wade (TUEC) w/c Mr. G. Groce (TUEC) w/o Mr. D. Pigott wo/a 8411260410 840522 PDR ADOCK 05000445 A PDR h

San Francisco Boston Chicago Richland

L s Communications

. Aln i Report lillllllllih,;.......miilli company: TUGC0/TUSI a Teiecon a conference Report -

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Project. Comanche Peak Steam Electric Station J b Nn. 84056 Independent Assessment Program - Phase 4 5/18/84 Time: 1:30 p.m.

subiect: . Request for Spec.s & FSAR Sections Place:

SF, CA

Participants:

of J.D. Laurie Cygna R. Baker TUGC0/TUSI Required item Comments Action By

1. Laurie requested and Baker agreed to provide copies of the FSAR sections shown below, and the specifications shown below (including all spec. revisions) to Cygna representatives at CPSES on Tuesday, May 22, 1984.

Purchase Specifications ES-1-D.2 MS-44B MS-20C MS-100 MS-20A.1 MS-21B MS-26 MS-20B.1 MS-210.1 MS-4aA MS-205.2 MS 21E FSAR Sections _

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7.2. 7.3, 7.4 and 7.5 l

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l i oistnbution: M. Williams, D. Wade, b. brace, d. 51Do, M. Mess. 5. I rety, J. t i lls, Project E" ,

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Communications L ;L 1 Repod 11111Clll11111111111111111111 Company: Texas Utilities 0 Telecon E Conference Report ,

Project: Comanche Peak Steam Electric Station Job N - 84056 D *

Independent Assessment Program - Phase 4 5/4/84 subject: -Data Collection Tim *: 3:30 p.m.

Place:

CPSES Participants. ' IllSI R. Baker D. Smedley Cygna Required item Comments Action By

1) Asked R. Baker for copiei of FSAR Sections:

11.5 3.2 3.3 3.5 6.2.4 To be sent to S.F at the request of Bob Hess. Bob had also requested System Descriptions for:

Component Cooling Water and Service Water Systems.

Baker said he would move immediately to have our request completed.

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Distnbutios M. Wi l lTams, U. Wade, b. brace, 5. 51DO, U. Smeoley, 5. IreDy, d. t i lls. i'roject e41.

1000 01e ,i W- -

c i Communications AMi Report 11lll181llll1ll11111llllllllll I' " ""'""*"" '

Texas Htilities E Protect: Job No. .

84056 Comanche Peak Steam Electric Statior.

Independ'ent Assess:nent drogram - Phase 4 5/7/84

Subject:

- Tin.e:

9:50 AM Conduit Design Criteria for Phase 4 Structural Review SFR0

Participants:

of Peter Huang Gibbs & Hill John Russ CES seguired item Comments Action By I spoke to Mr. Huang concerning the Phase 4 structural review for CPSES Unit 1. This review will be concerned with the electrical cable tray and conduit raceways of the Component Cooling Water System. To develop Cygna's design criteria sections on conduit suppcrts, I requested Gibbs & Hill's documentation (work instructions and crit tria) for the design of conduit raceway supports.

Mr. Huang responded by detailing the design ,nrocess for conduit raceway supports. The process essentially has four steps.

These are:

1. Gibbs & Hill developed a conceptual design (CD) for the raceway systems for the plant.

'2. The CD is trar.smitted to the site engineering group.

3. The site engirtering group modifies the CD to meet existing conditions. The finished field run package is numbered 2323-S-0910.

l 4. Gibbs & Hill, New York, reviews the field run designs, i

Mr. Huang then stated that since the design was really performed on-site, that it would be better to request the documents at site. I then requested the pertinent design material from Gibbs

& Hill's conceptual design package. Mr. Huang stated tnat he '

would send a copy of " Category I Support System for Conduit Raceway," drawing no. 2323-S-0910 to me upon receipt of a formal letter of request by Cygna.

signed. Page of Distnbation:

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Communications Aet i Report 11llllllllllllllllllllll1lllll I*"

Texas Utilities ) conference Repon ,

Proiect: Job No. -

84056 Comanche Peak Steam Electric Station Independent Assessment Program - Phase 4 4f5fg4

Subject:

~ Time:

11:30 am Cable Tray Documen' Reouest cpqrg qu, Participants of C. Crowe. R. Baker Brown & Rnnt J. Russ cygna Required item Comments Action By

Reference:

Conference Report dated 5 April 1984, " Cable Trey Document Request," D. Bleeker, N. Munoz, C. Crowe and J. Russ participating Cygna received documents ECP-10 ECP-19 and ES-100 from Ms.

Crowe. She stated that CPEI 4.-49 was available from Mr. Baker.

I requested this document from Mr. Baker. He stated that the document is numbered CP-El-4.0-49 and gave me a copy.

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Communications AL acn Report 19111tlltlli111111111111111111 l

= j Compang a conferetice neport -

l Te xas llt. .' ? i + ' as CN T*'* con Project: Job No.

84056 Comanche Peak Steam Electric Station Independent Assessment Program - Phase 4 08

5/8/84 subiect: - I'**

._ Request for Guide in Field 11:20 AM Place:

"* "' * *^9

  • David Rencher TUGC0 John Russ CES I Required item Com y,ents Action By I asked Mr. Rencher to schedule someone to act as guide for a walkdown of plant equipment. I also requested two safety belts and ropes f or Cygna's use. Mr. Rencher stated that a person would be assigned to Cygna for the afternoon of 5/9/84 i

signed Page of Distnbution: D' .'W'ade, N. Williams, G. Grace, J. Russ, S, Treby, J. Ellis, Project File

Communications AL n n Report 111llli11lll111111111111111111 comp 8"r Texas Utilities- oX Tei con a conference Report .

  • J N- 84056 Comanche Peak Steam Electric Station Independent Assessment Program - Phase 4 oste:

5/8/84 T** 9:20 AM

" #' Drawing List for CCW Valves Power Trains Place: SFR0 m

Participants:

o' TUGC0 Ivan Bogelson John Russ CES Required item Comments Action By I requested Ivan to provide e list of drawings and the computer printout of cable tray and conduit segments for the power trains for the valves listed.

Valve No.

1-HV-4512 Unit 1 train A CCW pump isolation valve 1-HV-4513 B 1-HV-4514

" train A to non-safeguards loop isolation valve 1-HV-4516

" train B to non-safeguards loop isolation valve 1-HV-4572

" train A RHR heat exchanger isolation valve 1-HV-4574

" train A containment spray heat exchanger isolation valve  !

Ivan stated that he would provide a list of the following drawins types:.

A. Cable Routing )

8. Tray and Conduit Plan C. Tray Segment Plan D. Tray Support Plan 1

/dhb age of signed. P

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Distribution:

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s s Communications s (% i Report 111111lllll11111lllllll1lll111 company: Texas Utilities a Teiecon L conference Report

'* Job No. 84056 Comanche Peak Steam Electric Station Independsnt Assessment Program - Phase 4 Date:

5/9/84 Time: 11:20 AM

Subject:

-C,onduit Support Design Place:

CPSES Site l

Participants:

' Gibbs & Hill Doug Hunt John Russ CES i l

o Required item Comments Action By I spoke to Doug regarding the design of conduit supports at CPSES. Doug related the following facts about the conduit designs:

1. There are two types of conduit runs:

Type LA - conduit runs along a wall Type LS - conduit runs suspended in space

2. There are two types of conduit supports:

Type CA - used for Type LA runs Type CSM - used for type LS runs

3. History of design process:

C3M supports were originally designed using the higest G value in the plant. The G value was adjusted for the specific elevation at which the support was to be installed. LA supports are designed using the maximum plant ZPA.

4. Evaluation of fire protection effects on conduit supports f; performed at site by calculation after the conduit in question is walked down and drawn on an IN-FP drawing.
5. Drawing 2323-S-0910 shows 44 CSM types s'ipports as well as 16 CA type supports. Other individually designed supports are appended to 2323-S-0910.

signed /dhb Page } of }

N. Williams. U. Waoe, b. brace, d. MuS5, M. Me55, 3. BreDy, V. Lill5, FFDJUGb I D'st"bution:

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Communications

. 4L n i Repod 11111llll1lll11111111111111111 Company: Texas Utilities o Telecon Xi conference poport Project: Job No.

84056 Comanche Peak Steam Electric Stet. ion D*t*:

IndependJnt Assessment Program - Phase 4 5/9/84

Subject:

Time:

11:50 AM Cable Tray and Conduit Drawing Request CPSES Site

"'"'**"'* B AR - DCC Richard Beals John Russ CES Required Comments Action By item I received copies of the following drawings.

2523-El-0601-01 2323-El-0700-01 2323-F1-0701-01 2323-El-0714 2323-El-0601-11 2323-El-0714-11 2323-El-0700-11 2323-El-0601-01-S

'- 2323-El-0714-S 2323-El-0700-01-S of signe /dhb Page } }

y Distnbution: N. WITliams D. Wade, G. Grace, 5. Treby, J. Ellis, Project File 1

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Communications ALn i Report 181lllllllllllll11111111111111 compaar Texas Utilities o Teiecon E conferenes neport -

'* Job No. 84005 Comanene Peak Steam Electric Station Independent Assessment Program - Phase 4 oste:

5/9/84

  • " T'**: 11:00 AM Gz51e Tray and Conduit Drawing Request Place:

CPSES Site

Participants:

d B&R - DCC Richard Beals John Russ CES 1

Required item Comments Action By I requested copies of the following drawings:

2323-El-0601-01 2323-El-0700-01 ,

i 2323-El-0701-01 2323-El-0714 2323-El-0601-11 2323-El-0714-11 2323-El-0700-11 2323-El-0601-01-S

,, 2323-El-0714-S

?323-El-0700-01-5 l

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Distribution. n. M1 ilam5. U. Mage, u. i.: race. 3. IreDy. d. Li115 Project, t i le t

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Company: Texas Utilities o Telecon E conference Report

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Project. Comanche Peak Steam Electric Station Job No. 84056 Independent Assessment Program -

Phase 4 o ,ie:

5/9/84 subject: -Cable Tray and Conduit Drawing Request Time: 4:00 AM Place: CPSES Site Part.opants: Richard Beals of B&R - DCC John Russ CES nequired item Comments Action By I received copies of the following drawings:

2323-El-%01-02 2323-El-0601-03 2323-El-0501-04 2323-El-0700-02 2323-El-0701-02 i

2323-El-0701-03 t

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Communications AL i i Report 11111llllll11lll111lllllllllll

  • E* "I Telec n p Conferer.ce Report T m s Uti1ities Progect: Job No.

8405'6 Comanche Peak Stea Electric Statio, Independent Assessment Program - Phase 4 5/9/84 Subject. - Tima-3:25 PM Cable Tray and Conduit Drawing Request CPSES Site

Participants:

o' Richard Beals B&R - DCC John Russ CES Recured item Comments Action By _

I requested copies of the following drawings:

2323-El-0601-02 2323-El-0601-03 2323-El-0601-04 2323-El-0700-02 2323-El-0701-02 2323-El-0701-03 l

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4 Communications ALn i Report 11111111lll111111111111111llll company: Texas Utilities o Teiecon & conferene. Report .

" 84056 Comanche Peak Steam Electric Station Independent Assessment Program - Phase 4 Date:

5/10/64 Tim': 9:10 AM s ,eiect Cable Tray and Conduit Scopes Place:

CPSES Site

Participants:

' Gibus & Hill Pravin Patel (x519)

N. Williams, J. Russ CES Required Comments Action By item Nancy and I spoke to Pravin in order to gather inforatation to determine the scope of the structural review for Phase 4. We asked Pravin to determine what percentage of the plant's total

cable tray support each support type represented. We also requested that he determine which conduit supports are used most frequently at CPSES.

Pravin also discussed the procedures for construction and verification of cable tray and conduit supports. He discussed the following points:

1. Cable tray standard support details are prepared for construction fabrication and erection by preparing an 8-1/2 x 11" drawing which is part of drawing FSE-00159.

,, Erection is per procedure ECP-10.

2. Coriuit supports are located and installed by construction per procedure ECP-19. The acceptance of the support for its suitability to resist applied loads is checked by quaitty control through the use of travellers per procedure ECP-19.

No as'-built drawings are produced for Unit 1, but drawings are l produced for Unit 2.

3. Conduit design calculations are available in New York. but are constantly being transmitted to site. The Gibbs & Hill site gt oup has a set and & cross-reference to get from a specific support to the appropriate calculation binder.

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Communications d L. n i Report 18lllllllll1lll11ll11111llllll comps,y: '

T' " f3 Conference Repon Texas Uti1ities Project. Job NL. .

84056 Comanche Peak Steam Electric Station U' Independent Assessment Program - Phase 4 C/10/84 Subject. ~ Eme:

Cable Trcy and Conduit Drawing Request 1:45 PM Place:

CPSES Site

Participants:

of Rich?rd Beals BAR - DCC John Russ CES Aequired Comments Action By item I requested and received a copy of drawing 2323-El-0713-011.

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Project. Job No. I 84056 Comanche Peak Stee.n Electric Station U'

Independe~nt Assessment Program - Phase 4 5/10/84 Conduit Drawing Request 2:30 PM Place.

CPSES Site Participants- of Norman Munoz BAR - DCC John Russ CES neauired Comments Action By item I requested a copy of drawing 2323-S-0910 and a list of change docuinents (CMCs and DCAs) against it.

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i Signed I . p.g, og D'Stabu'on' N. Williams, D. Wade. G. Grace, S. Treby, J. Ellis, Project File i

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Communications t41 n . i Report 1111111llll11111111111111llll1 company; Texas Utilities o Telecon )b conference neport .

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No.

84056 Comanche Peak Steam Electric Station IndependeTit Assessment Program - Phase 4 oste:

5/10/ 84 Ti"*:

suoiect: Cable Tray and Conduit Drawing Request 3:15 PM Place:

CPSES Site

"'""'*- "' B&R - DCC Richard Beals John Russ CES neavireo item Comments Action By t

I I requested and received a copy of drawing 2323-El-0700-012.

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Distreution M. Williams. U. Watle. b. brace, d. IreDy. d. t i lls. Vroject tile

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Communicctions ALni Report Milllllll!millllliilillli

    • " Teiec n p conference neport Texas Utilities ,

Project: Job No.

84056 Comanche Peak Steam Electric Station U "

Independent Assessment Program - Phase 4 5/11/84  ;

Subject - Time: i Document Requests 10:00 AM '

Place:

1 CPSES Site re ticipants: of K. Norman, D. Bleeker. N. Munoz R&R -DCC _

J. Russ CES i

. Required item Comments Action By I received the following documents:

1. A computer output listing all El and E2 series drawings
2. Drawing 2323-5-0910
3. A computer output listing all El and E2 series drawings j

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Communic 3tionS din i Report 1111111lll1111166ll111111lllll

    • conference Repon l Texas Utilities p Telecon _

Project: Job No. .

84056 Comanche Peck Steam Electric Station

Independent Assessment Program - Phase 4 5/16/84

Subject:

  • Time-.

Conduit Support Liits by Conduit Number 11:45 AM Place:

SFR0 Participants of Pravin Patel ,

Gibbs & Hill John Russ CES Requwed item Comments Action By I asked Pravin if it was possible to determine which supports were on a specific conduit run. He replied that it was poss!ble by reviewing the traveller forms in the DCC vault.

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COmmuniCDtIOnS L*A L L i Report

' 11111111lll11111111111111lll11 conspany: Texas Utilities a m econ a conference Report Project- Job N 84056 Corranche Peak Steam Electric Station _

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Independent Assessment Program - Phase 4 4/2/84

Subject:

- Time: 2:55 pm C ble Tray Documents Phasc 4 CPSES Site

' Gibbs & Hill Pravin Patel Doug Hunt Gibbs & Hill Cygna John Russ Required Comments Action By item I met with Doug and Pravin to request the following information:

1. A list of electrical, structural and FSE drawings for the Cdble tray segements listed on the attached sheet. This list will include drawin numbers for tray segment drawings.
2. A list of CMCs and DCAs against the supports for these tray segments.
3. A listing of the following for each tray segnent:
a. tray weight;
b. tray length;
c. % cable fill and its weight;

- d. weight of any fire coating.

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Texas Utilities g mecn conference Report Project: Job No.

Comanche Peak Steam Electric Station 84056

~

Independent Assessment Program - Phase 4 5/11/84 sumect Data Collection AM-PM Place:

G8H Office N.,Y.

John Irons G8H Wanda Cristali G8H R. Hess & P. Rainey CES Required item Comments Action By

1) The flow, pressure drop, and heat balance calcdlations on the component cooling water (CCW) system are a combination of computer analysis and hand calculations. The original calculations used the "P-Drop" computer program. G&H is presently completing a new system flow calculation utilizing the "Pipeflow" program. The new calculation utilizes the as-built piping configuration. This is a flow nrtwork type program. We requested that G8H provide Cygna with a copy of the "P-Drop" and "Pipeflow" user's manuals.
2) The basic system flow and heat load data came from the Westinghouse functional requirements document and equipment vendor data.
3) G8H produced a technical description (TD-0229) for the CCW
  • system. This was last issued on 2/12/79. John supplied us with a copy.
4) TUGC0 operations is responsible for producing the systet operating manaals and technical specifications.
5) Specification MS-200 contains a Modes of Operation appendix which serves as operating temperature input to the pipe stress group.

I

6) G8H does not develop a statepoint analysis or process flow diagram for the system.
7) No detailed F.M.E.A. exists as a separate document.
8) Fluids are never mixed between Units 1 and 2.

l ar+> tion khhM ~

/dhb 1 N. Williams, D. Wade, G. Grace, P. Rainey, T. Martin, J. Russ, C. ,'illough.

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Communic 0tions Al i i Report IHi;;;;;i..

Requwed

! item comments Action Ry

9) Radiation monitors are specified by the electrical group.
10) An "S" signal is a first-level alert. partial containment

.. isolation (small break LOCA).

11) A "P" signal is major problem (LOCA). It isolates non-safeguards loop.
12) G&H was requested to supply the mechanical and 18C standard symbols lists MI-0200 and MI-2200.

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TEXAS UTILTIES ELECTRIC C0.

COMANCHE PEAK STEAM ELECTRIC STATION INDEPENDENT ASSESSMENT PROGRAM PHASE 4 PROGRAM PLAN l

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4 CYGNA ENERGY SERVICES, INC.

101 CALIFORNIA STREET SUITE 1000 SAN FRANCISCO, CA 94!11 lillllllllilliiillililllllllli

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TABLE OF CONTENTS

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Page 1.',0, Introduction 1 2.0 Technical Review Scope 6 3.0 Design Control Review Scope 14 4.0 Project Organization 15 I

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i Texas Utilities Electric Company . 11 Independent Assessment Program Plan, Phase 4

  • bI k A Project No. 84056 11111111114ll18111111111111111

1.0 IllTR000CTI0ll Cygna Energy Services has been conducting an independent assessment of the .

Comanche Peak Steam Electric Station design and design control process using various plant systems to establish the scope. This program plan document describes ~ the scope of the Phase 4 review. Prior to this time, PSases 1 and 2 jere performed to provide the NRC staff with added assurance that the plant was designed and constructed in accoroance with the licensing application.

Phase 3 was established to address specific concerns the Atomic Safety and Licensing Board (ASLB) had with design quality at Comanche Peak. The basis i for the Phase 3 scope is contained in " Applicant's Plan to Respond to i

Memorandum and Order (Quality Assurance for Design)," February 3,1984 In Fhases 1 and 2, Cygna performed an Independent Assessment Program in accordance with Cygna proposal S83-12C. Rev.1, dated September 9,1983. The objectives of this effort were to:

e Assess the adequacy of the design control program at Texas Utilities and Gibbs & Hill.

  • Assess the multi-discipline design adequacy of a portion of a j selected safety system. (Residual Heat Removal System, Train B).
  • Verify the as-built condition of a selected portion of the safety systems. (Sper t Fuel Pool Cooling, Train A).

e Verify the adequacy of the implementation of three selected elements of the design control program at Texas Utilities and Gibbs & Hill.

The Phase 3, Independent t.ssessment was conducted on two systems, Component Cooling Water and Main Steam, which exhibited design characteristics similar to the concerns raised by Messrs. Walsh and Doyle during the ASf.B Hearings.

WL Texas Utilities Electric Company 1 Independent Assessment Program Plan, Phase 4 -

4 A Project No. 84056 11111111111111111111111111llll

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l In additior., two additional 10CFR50, Appendix B criteria were added. The objective of the Phase 3 effort was to:

e Assess the adequacy of Texas Utilities, Gibbs & Hill. NPSI, and ITT Gri nnell orgcnization (Criterion I) and corrective action program

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(Criterion XVI) as they pertain to design.

e Verify the adequacy of the implementation of Criteria I and XVI at Texas Utilities, Gibbs & Hill, NPSI and ITT Grinnell.

e Assess f.ne adequacy of piping and pipe support design in portions of the Coponent Cooling Water System (CCWS) and the Main Steam Sy:; tem.

It is Cygna's understaading that Texas Utilities currently holds the following principal objective in terms of the overall Independent Assessment Program (Phases 1, 2, 3, and 4) on CPSES:

  • That the results of Cygna's design control and technical reviews coupled with previous reviews of CPSES (CAT and SIT) provides the NRC, the ASLB, and Texas Utilities with an integrated basis for evaluating the adequacy of the design and design process employed on CPSES.

In the context of this overall objective, Cygna proposes the following scope of work, referred to herein as Phase 4. This scope of work, when combined

with the reviews performed by Cygna under Phases 1, 2, and 3, and the efforts I of oTher parties, will provide that basis. The scope of work for Phase 4 is detailed below and is comprised of the following
  • Mult.1-discipline technical review of selected portions of the oesign of the Component Cooling Water Systea (CCWS).

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1 Texas Utilities Electric Company '

2 Independent Assessment Program Plan, Phase 4 L A Project No. 84056 lilllllHillHillHililllillll i

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e As-built veri'ication of selected portions of the CCWS.

e ' Evaluation of the implementation of two additional elements of the ,

design control program at Texas Utilities and Gibbs & Hill. '

. Specifically, the Design Input Control and Design Verification 4

i Control Elements.

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At the completion of the Phase 4 workscope, Cygna will have accomplished the i following:

  • A multi-disciplined technical review of a portion of one train of the CCWS, and a portion of the RHR system.

I e As-built verification of a portion of one train of the CCWS and a i portion of the Spent Fuel Pool Cooling System. -

4 e Complete design control program evaluations of TUSI and Gibbs A Mill.

e Implementation evaluations of the design control program in terms of ,

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five design control elements as shown in Exhibit 1.1.

I i i e Program and implementation evaluation of the organization and j correct!ve action system as the pertain to design, i Cygna has reviewed Supplement to Applicant's Plan to _ Respond to Memorandum and l Order (Quality Assurance for Design), dated March 13, 1984, and has the ,

fo11bing clarifications / interpretations on pages 4 and 5 of that document:

! i j e Page 4: There is reference to the review of Criteria I and XVI as l they relate to overall design activities. Cygna is performing the j

Criteria I and XVI reviews as they relate to design. We inte*pret the Applicant's reference to "overall design" to mean multi-l l

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Texas Utilities Electric Company

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I Independent Assessment Program Plan, Phase 4 Project No. 84066 l 4

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discipline. We are looking at piping, pipe support, structural, electrical, ano Instrument & Controls for the corrective action and

. organizational reviews. .

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e Page 4 and 5: Items 6, 7, 8, and 9 refer to the five elements of the design control program, Criterion III, rather thc.1 Criterion I as described in the Applicant's plan.

e The paragraph in the middle of the page states, "...Cygna will assess whether an appropriate design quality assurance program has been in place and effectively executed at Comanche Peak...". Cygna's criteria 1. Ill, and XVI reviews when coupled with previous reviews conducted by other organizations will provide an integrated basis for i l

evaluating the adequac/ of the design control proi, ram.

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i Texas utilities Electric Company ,

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! Independent Assessment Program Plan, Phase 4 L 6 a Project No. 0a056 IllllllllllllllllillllllllM l

ILt9ENT COMPANT 10CFRl0 APPf8WII B E VIEWED REVIEWLD Des ysts gq[yggy i i

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EXHIBIT 1.1 K 51GR CONTROL KVIEW SCOPE Texas utilities Electric Company '

5 Independent Assessment Pregram Plan, Phase 4 dk 6 8 Project No. M056 missimilmillismilli

l 2.0 1ECHNICAL REVIEW SCOPE t

j The Phase 4 technical review 5: ope will include an expanded, multi-dis:1pline 4 review of the design of the Component Cooling Water System (CCWS}. The review scope vill include mechanical systems, electrical (power and instrumentation a controls). structural, as-built walkdowns and additional pipe stress and pipe support revims. In general, the review scope has been selected from the UMt 1 CCNS subsystem such that portions of both tt.e safeguards and l nonsafeguards loops of one train are included. The review boundaries for each  ;

discipline are described below.

Mechanical Systems i

The mechanical review will focus on ensuring that the Gibbs & Hill design of the CCWS satisfies documented syster- functional requirements. A review l

I criteria document and enecklists will be develt,pcd to evaluate the following

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l e Verification that all system design bases have been implemented in

.! accordence with Fit # and SER requirements, industry standards, f l regulatory docuwnts , and other Texas Utilities Electric Company {

commitments.

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e Verification that the NSSS (Westinghouse) design requirements have

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j been correctly incorporated into the system design,

  • Verification that the 80P (Gibbs & Hill) supplied equipment and piping are adequate to meet all process and interface requirements, j 1

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e Verification that the syster. functional capabilities, including redundant components and flow paths are in accordance with design l requirements. j I

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l The physical boundaries for the mechanical systems review will vary somewhat ir. order to permit an effective review of the various aspects of mechanical system design. In essence the verification of the des $gn of mechanical system '

components will be limited to those components located in the major flow path l

depicted in Exhibit 2.1. Verification of the design of the CCW Surge Tank, P. ump and heat'exchangers are, therefore, encompassed. In order to effectively i

4 review the methodology employed by Gibbs & Hill in the sizing of the CCW pump, the review may expand beyond the boundary depicted in Exhibit 2.2. For example, the syster head loss calculation and/or heat load calculation will be l In reveiwed for a giver, complete flow loop in the CCW subsystem for Unit 1.

addition, a segment of the non-safeguards loop from its connection to the

! safeguards loop to the Reactor Coolant Pump coolers will be reviewed in order to provide an assessment of the design process and interaction between safety related and non-safety related portions of the system.

l Electrical (Power and Instrumentation & Controls) 1 i

. Design criteria, based on the IAP Phase 2 work, will be developed for the I

electrical review activities. This criteria document and the checklists will include the following aspects of the electrical design review:

J e Verify that electrical system design has been implemented in I accordance with FSAR and SER requirements, industry standards, 1 i regulatory documents, and other Texas Utilities Electric Company

! conunitments.

l e Verify that the NSSS (Westinghouse) design requirements have been

} correctly implemented into the design.

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  • e Verify that the BUP (Gibbs a Hill) design requirements have been correctly incorporated into the design.

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Texas Utilities Electric Company y l

Independent Assessment Program Plan, Phase 4 ,

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Project No. 84056 11111111111111111

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  • Verify that the design requirements have been correctly imposed upon the equipment suppliers and that the equipment furnished is adequate for its intended use.

e Verify that the electrical, control and instrumentation design is correctly documented. Verify that the design is logical, organized, and reproducible.

The boundaries of the electrical review shall be limited to th power and instrumentation and control circuits associated with the primary flowpath depicted in Exhibit 2.1.

j St ructural 1

The structural review will be conducted on cable tray and conduit supports a which carry the power cables from the emergency bus to the CCW pump and power cables for six motor-operated valves from the valves to the respective motor control centers. The criteria will be a revision to the Phase 2 structural criteria which will estaolish general guidelines to be used in the review.

! The review will ~atsess whether or net the cable tray and conduit supports are ,

! adequate to transmit the loads from 'the cable trays to supporting building j structural' nkwabers., The review checklists will include a check of:

4 e suhportspacing,.

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i o . leaas and load combinati,ons r '

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e compliance with codes, standards,Ind licensing commitments j ,

e stresses and fuse of allowables (members, welds, anchor bolts, and plates). -

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8 Independent Asset,$sent' Program Plan, Phase 4 M, , Tens Utilities Electric Company Project No. 84056~ ,

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Pipe Stress The pipe stress review will be a continuation of the Phase 3 effort and will consist of the p1 ping problem that encompasses the piping from the CCW pump to the CCW heat exchanger. The review checklists will include:

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' e Check input data (pressure, cperating modes, anchar movements, dynamic loads).

e Verify that the computer model uses the proper geometry, section properties, supports, components.

e Ensure special features are considered (valve s:em frequencies, nozzle load checks, local stress analysis for lugs).

1 o Review stress report data (load cases and combinations, valve accelerations, piping displacements).

The boundaries of the physical piping problem are shown in Exhibit 2.2. the 4,

i physical definition of the piping problem encompattes the piping between both CCW pumps and heat exchangers for Units 1 and 2. Also shown are the physical boundaries of the piping problem reviewed previously in Phase 3.

Pipe Supports i

The* pipe support review scope will include the supports located on the piping problem shown in Exhibit 2.2. The major elements of the review checklists will include,:

o Review input data (required support stiffness, support type, piping

deflections and loads).

Texas Utilities Electric Company

  • Independent Assessment Prcgram Plan, Phase 4 L k A Project No. 84056 111111111111111111111111111111

e Review design calculations (welds, members, standard components, proper computer modeling, consideration of base plate flexibility). -

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  • Check support drawings (type, location, clearances, size of mem$ers,  !

weld data, anchor bolt data).

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e Evaluate the Walsh/Doyle concerns ss they pertain to this scope of wurk.

As-Built Verification The final activity is to assure that the systems, components and structures have been installed to the latest design documents. To accomplish this, an as-built review team will perform a detailed field verification of portions of the Component Cooling Water System. This team will review mechanical, structural, electrical and instrumentation and control areas. The walkdown will consider the following as a micimum:

e Identification, location and installation of piping and mechanical equipment.

  • Location, configuration and detailing of pipe supports and supporting st ructures.
  • Cable and raceway identification, installation, routing, separation
  • and termination.

l e Representative conduit and cable tray suppnrt designs.

  • Instrumentation location and identification.

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Texas Utilities Electric Company 10 M

Independent Assessment Program Plan, Phase 4 r*k'('2ifAl L jL Project No. 84056 ii::;;;;;;i;r t

l e Equipment location, orientation, anchorage, support structures, and identification.

We recognize, however, that scme portions of the design are, still undergoing  !

changes as part of Comanche Peak's iterative design pror.?ss. Care will be j taken to' er.,ure that any discrepancies found have been correctly processed,

't,hereby evaluating the adequacy of this aspect of the design process.

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EXHIBIT 2.1 SYSTEM ltEVIEW SCOPE l

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Independent Assessment Program Plan, Phase 4 Ji A Project No. 84056

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l PIPIIIG REVIEW Als MALKDOWII SCOPE l

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3.0 DESIGN CONTROL RC/IEW SCOPE Cygna proposes to evaluate two additional design control elements as shown in Exhibit 1.1. The two additional elements will be Design Input Control and Design /erification Control. Matrices were developed identifying specific ANSI N45.2.11 requirements related to design input and design verification; the matrices will address Texas Utilities and Gibbs & Hill implementing

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p'rocedurcs past and present. These matrices will be utilized for the Phase 4 implementatica assessment ef fo rt . Cygna will develop implementation checkliscs for each of these two elements in order to perform the implementation assessment of these two companies.

The checklir,s for the two organizations mentioned above will concentrate on the design activities receiving technical review under this Phase 4 work scope.

14 Texas Utilities Electric Company Independent Assessment Program Plan, Phase 4 L L ., L A Project No. 84056 lill;; nuE ....

4.0 PROJECT ORGANIZATION Exhibit 5.1 ilkstrates the project organization for Phase 4 of the -

Independent Assessment Program.- The project is organized to provide multiple levels of review to ensure that each matter receives thorough technical and management attention. This multi-level review process involval a Project Team

'and a Senior Review Team. The Senior Review Team consists of two outside con-sultants, Drs. Kennedy and Bush, and one member of Cygna's senior manage-ment. Dr. Kennedy and Dr. Bush each offer extensive experience in the areas of dynamics and engineering mechanics, respectively.

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PROJECT ORGANIZATION i*

ENIM EVIkW TEMI PROJECT felAASER M. N. Shuleen N.H. WliIiaos ,

Dr. R. Kennedy

,Dr. 5. Bush In-41gsg remanTAgrg PgSFICT IRIALITT ASSURMCE ENERIEER P. 01Donato (Design Control)

T.Wittig(DesignReview) 5. Good E.vanStijgeren(Codes, Standards)

J. Vallenes ll5tructural. Dynamics)

C. K111o $ gystems)

5. Bjortmen LEngineering Mechanics) 1 1 I pghdECT EMIEER pnNECT EMIIEER PRNECT EMIEER TECNel*JL *iMITT ASSURANCE TEGEllCAL R. Ness 5. Blbo J. Minichiello l T I _

l I I STEBCTWAL ELECTRICAL / lac IECIIANICAL SYSTDIE PIPE STRESS PIPE WPreTS tRLEsam EnguP EAAER EncuP LDIRER M OUP EAAER WOW EARLit A guP EAEER 9 4J2 LEASER J. Russ T. Martin P. Rainey M. Mont C. Wong E. van 5ttjgeren i

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Texas Utilities Electric Company h Inde; 2ndent Assessment Program Plan, Phase 4 ,

Ab IA Project No. 94056

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