ML20215J826

Rev 0 to Design Adequacy Procedure DAP-DI-C/S-002, Homogeneous Design Activity Review Record

ML20215J826
Person / Time
Site:	Comanche Peak
Issue date:	06/25/1986
From:	TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:
Shared Package
ML20215J430	List: ML20215J798 ML20215J803 ML20215J813 ML20215J818 ML20215J826 ML20215J830 ML20215J839 ML20215J844 ML20215J854 ML20215J868 ML20215J883 ML20215J902 ML20215J913 ML20215J931 ML20215J935 ML20215J948 ML20215J951 ML20215J956 ML20215J960 ML20215J965 ML20215J970 ML20215J975 ML20215J980 ML20215J988 ML20215J996 ML20215K005 ML20215K008 ML20215K012 ML20215K017 ML20215K026 ML20215K039 ML20215K043 ML20215K046 ML20215K055 ML20215K059 ML20215K077 ML20215K080 ML20215K084 ML20215K090 ML20215K093 ML20215K099 ML20215K104 ML20215K108 ML20215K110 ML20215K113 ML20215K117 ML20215K122 ML20215K124 ML20215K129 ML20215K134 ... further results
References
DAP-DI-C-S-002, DAP-DI-C-S-2, NUDOCS 8610270202
Download: ML20215J826 (11)

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%J TITLE HOMOGEEOUS DESIGN ACTIVITY REVIEW RECORD NUMBER DAP-DI-C/S-002 Revision Prepared Date Reviewed Date Approved Date 4k 0

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TN-85-7141 (HDAR Rec)

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TABLE OF CONTENTS Section Page i

CoverSheet......................................................

i Tab le o f Con t en t s.................................................

ii 1.0 PURPOSE...................................................

I 1

2.0 SCOPE.....................................................

I 3

i 3.0 DEFINITIONS AND RESPONSIBILITIES.........................

I J

4.0 I NS T R U C T I O N..............................................

4 5.0 DO C U ME NT A T I ON..........................................

5 ATTACHMENTS A

HOMOGENEOUS DESIGN ACTIVITY i

LIST AND TYPE A-1 B

SUMMARY

FORMS B-l i

i i,

I l

l r

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TN-86-7 I 4 I /DI-C/S-002 ii

COMANCHE PEAK RESPONSE TEAM - DESIGN ADEQUACY PROCEDURE

/'

Number: DAP DI-C/S-002

Title:

HOMOGENEOUS DESIGN Revision: 0 ACTIVITY REVIEW RECORD l.0 PURPOSE This discipline instruction provides the means to document for each review package the type I, type I/2 and type 2 HDA coverage. This instruction also provides on alternate way to fulfill the DAP-5 Section 4.3 requirement that "the Reviewer or Assigned Personnel shall indicate the homogeneous design activity number opplicable to each checklist item in the Comments column."

2.0 SCOPE This discipline instruction opplies to the civil / structural discipline self-initiated review.

Other civil / structural reviews, such as those performed under the external issue corrective action umbrello (e.g., cable tray supports and conduit supports) are not of fected by this instruction.

d(3 3.0 DEFINITIONS AND RESPONSIBILITIES 3.1 Definitions 3.1.1 Homogeneous Design Activity A homogeneous design activity (HDA) is a collection of individual design tasks that are similar in the following attributes: 1) criteria; 2) design considerations, approach and methodology; 3) performing organization / discipline; 4) design con-trol process; and 5) design interfaces. The sum of homogeneous design activities is the overall AE safety-related design scope os represented by calculations, engineering evaluations, specifications, and design drawings which are the products of these activities.

A homogeneous design activity may also be described as a lowest common denominator task that does not include meaningful

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TN-86-7141 Page I of 6 l

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COMANCHE PEAK RESPONSE TEAM - DESIGN ADEQUACY PROCEDURE O

Number: DAP-DI-C/S-002

Title:

HOMOGENEOUS DESIGN Revision: 0 V

ACTIVITY REVIEW RECORD differences in the attributes mentioned above (" meaningful" being applied to the manner in which an engineer would perform a design task).

3.1.2 Types of Homogeneous Design Activities Within the civil / structural discipline there are three types of HDAs:

type I, type 2 and type I/2. Type l HDAs have specific calculations associated with them and their population can be readily identified. The type lu HDA is o subcategory of type i HDAs that covers unique items (e.g., containment hatch, steam generator upper lateral restroint).

Some HDAs are documented within the body of many individual structural design calculations (e.g., dead and live load calculations do not generally exist as separate calculations, but are incorporated into calculation packages).

The presence of this type of HDA within a calculation cannot be determined without a review of the calculation itself. Such HDAs are labeled as type 2 HDAs.

Certain HDAs include attributes of both type I and type 2 HDAs. They cover particular issues which are generally associated with many specific calculations; however, of times they may be the subject of special studies or generic calculations. Such HDAs are labeled as type I/2.

A listing of tOA titles and HDA types for the civil / structural discipline is includedi A tt chment A.

3.l.3 Review Package l

l A review package consists of all documents reviewed under a single series of type C checklists (see DAP-4) or under on Engineering Evaluation (see DAP-8).

TN-86-7141 Page 2 of 6

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COMANCHE PEAK RESPONSE TEAM - DESIGN ADEQUACY PROCEDURE

+

Number: DAP-DI-C/S-002

Title:

HOMOGENEOUS DESIGN Revision: 0

(

ACTIVITY REVIEW RECORD A review package may contain several similar calculations if all are reviewed using one set of type C checklists, or under the same Engineering Evaluation.

3.l.4 Calculation Review Coversheet This form identifies the reviewer, checker and the calculation (s) reviewed.

Comments by the reviewer and checker <.ce included on this form. The form shall be used to document the HDAs contained in the calculation in accordance with this Instruction.

3.1.5 Reviewer / Checker Refer to definitions in DAP-5.

3.2 Responsibilities 3.2.1 Discipline Coordinator The Discipline Coordinator or his designee ensures that the review coverage of the type I/2 and type 2 HDAs is adequate. He shall do so by compiling the full set of type 1/2 and type 2 HDAs, and documenting comprehensive coverage of each HDA.

3.2.2 Reviewer For each review package, the reviewer shall document the HDAs c.tained in the review package in accordance with this instruction.

TN-86-7141 Page 3 of 6

COMANCHE PEAK RESPONSE TEAM - DESIGN ADEQUACY PROCEDURE O

Number: DAP-DI-C/5-002

Title:

HOMOGENEOUS DESIGN Revision: 0 ACTIVITY REVIEW RECORD The Checker is responsible for verifying the HDA documentation prepared by the reviewer.

4.0 INSTRUCTION

4.1 Background

The population of type I/2 and type 2 HDAs cannot be identified since they are included within the body of many calculations within a number of dif ferent topic Therefore, these HDAs are covered during the normo! review process os areas.

they are identified within the body of selected type l HDA calculations. The attributes listed in the type C checklist forms clearly denote the coverage of type I/2 and type 2 HDAs.

4.2 Identification Each reviewer shall identify the type I, type 1/2 and type 2 HDAs contained in each reviewed calculation package. When an HDA is internally subdivided, the appropriate subdivision shall be identified.

Each review package completed with type C checklists shall contain a Calculation Review Coversheet (Attachment B). For review packages completed with Type C checklists, the HDAs shall be identified on the Calculation Review Coversheet. The reviewer shall fill in three entries on the Calculation Review Cover Sheet:

HDA number:

This is the number of the HDA the calculation has been selected under.

HDAs reviewed in this Calculation Set: These are the numbers of the HDAs the reviewer has addressed through his review of the calculation.

TN-86-7141 Page 4 of 6 l

COMANCHE PEAK RESPONSE TE AM - DESIGN ADEQUACY PROCEDURE O

Number: DAP-DI-C/S-002

Title:

HOMOGENEOUS DESIGN Revision: 0 d

ACTIVITY REVIEW RECORD HDAs addressed in this_Colculation Set, but not reviewed:

These are the numbers of HDAs the calculation addresses but were not reviewed by the reviewer.

The checker shall verify the occuracy of the HDA lists and resolve all comments or questions with the reviewer.

For calculation packages which are reviewed through an Engineering Evoluotion, all the HDAs addressed in the calculation shall be identified on the cover sheet of the Engineering Evaluation under the scope section (Refer to DAP-8). The originator shall list the HDAs in two groups:

(1) HDAs addressed in the Engineering Evaluation; (2) HDAs covered in the calculation set, but not addressed in the Engineering Evaluation. This requirement is additional to the instructions in DAP-8 pertinent to the preparation and format of the cover sheet (scope section) of an Engineering Evoluotion. The reviewer assigned to check the v'

Engineering Evoluotion shall verify the accuracy of the HDA lists and resolve all comments or questions with the originator.

4.3 Tracking The coverage of type I, l/2, and type 2 HDAs is documented on the Calculation l

l Review Coversheet or in the calculation Engineering Evoluotion. A final list of I

all type 1/2 and type 2 HDAs covered for all review packages shall be created by the Discipline Coordinator or his designee. The Discipline Coordinator or his designee shall review this listing to assure complete coverage of type I/2 and type 2 HDAs. The results of this review will be addressed in the Topical Engineering Evoluotions.

5.0 DOCUMENTATION Upon completion of a review package using Type C checklists, the reviewer and TN-86-7141 Page 5 of 6

s COMANCHE PEAK RESPONSE TEAM - DESIGN ADEOUACY PROCEDUPE Number: DAP-DI-C/S-002

Title:

HOMOGENEOUS DESIGN Revision: 0 O

ACTIVITY REVIEW RECORD V

checker shall sign the Calculation Review Cover Sheet (Attachment B) and submit the review package for approval to the Discipline Coordinator. Approval shall be documented on the cover sheet, in addition, o copy of all completed i

Calculation Review Coversheets shall be kept in a separate working file.

For review packages completed through Engineering Evoluotions, the documento-tion requirements in DAP-8 shall be followed.

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12.7 tou*smertug/ Des =ur'eaur g

I ATTACHMENT B f

COMANCHE PEAK DESIGN ADEQUACY PROGRAM CALCULATION REVIEW COVER SHEET Discipline:

Civil / Structural i

Reviewer:

Date:

4 Checker:

Date:

i HDA Number:

Calculation Number:

Calculation

Title:

Check Lists Used:

l Any Special Checklist Prepared by the Reviewer: Y/N?

HDAs reviewed in this Calculation Set:

HDAs addressed in this Calculation Set, but not reviewed:

i Comments by the REVIEWER:

l O

Add additional sheets if necessary.

i Comments by the CHECKER:

Add additional sheets if necessary.

Contents:

1. Cover Sheet 6.

Checklists

2. Approach to Review 7.

Review Calculations by Reviewer

3. Summary Sheets 8.

Original Calculations

4. Unsat Checklist 9.

Others (Explain)

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5. DIR Discipline Coordinator Approval:

Date:

TN-86-7141 B-l DAP Form DI-C/S-002-1

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