ML20199E681

Rev 0 to Population Items List, Small Bore Piping Configuration

ML20199E681
Person / Time
Site:	Comanche Peak
Issue date:	08/14/1985
From:	NRC - COMANCHE PEAK PROJECT (TECHNICAL REVIEW TEAM)
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References
FOIA-86-36 NUDOCS 8606230373
Download: ML20199E681 (5)

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POPULATION ITEMS LIST i

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5 POPULATION NAME:

SMALL BORE PIPING CONFIGURATION Q

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DATE: AUGUST 14, 1985 RESPONSIBLE QA/QC. SUPPORT ENGINEER REV:

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The Population Items List consists of all safety related Brown & Root isometric drawings, both large and small bere piping.

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POPULATIONS LIST SOURCE:

The population items list (attached) was established using input from:

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1.

Document Control Center - Title Report (DCC-ITL.RPT) dated 6/19/85.

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2.

Unit I and 2 subsystem listing for isometrics requiring ASME III N-5 code stamping (copies attached) received by CPRT in June, 1985.

3.

Unit 1 ASME III N-5 Data Report Index (see Attachment A for index issue dates). Completed indexes do not exist for Unit 2 as ASME III

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N-5 Data Reports are not yet complete.

• q BASIS FOR ACCEPTING THE LIST:

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The population list includes isometric drawings for all ASME III piping.

F Since no computerized list of isometrics existed which contained only ASME

'G III safety related piping it was necessary to generate the population list based on those documents listed under the " Population List Source".

The sources which were used in developing the population items list are considered to be sufficient to provide assurance of a complete population list. The following is a brief description of each source.

1.

The Document Control Center-Title Report (DCC-TTL.RPT) list all piping isometric drawings and is a sort, using a DCC code for isometrics, taken from the CPSES computerized data base. Data entry into the data base is taken directly from drawings or n

documents, not from a pre-prepared list of information. Although

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the DCC-TTL.RPT is not stamped " CONTROLLED" data entry is i W-operationally controlled in that each operator who inputs to the CPSES Data Base is assigned a unique " PASSWORD" which is required a:

for entry into the system. This password restricts the user to 0

specific program (s) versus general access to the data base. The O

assignment of this password is the responsibility of the computer oQ operators while maintenance of the data base is,the responsibility n o of Document Control. Data entry into the CPSES data base is done b<n no e 1 004

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DATE:

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[AfQC@EADDISCIPLINEENGINEER APPROVED BY: I[k/[

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QA/QC REINSPECTION ENGINEERING Fd/ Mile %

SUPERVISOR e

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CQF-QAI-001.3 5/85 0145(0)08/14/85 l-m

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4 COMANCHE PEAK REVIEW TEAM POPULATION ITEMS LIST Pagg 2 of 3 j

POPULATION NAME:

SMALL BORE PIPING CONFIGURATION PREPARED BY: /Lu_ dos k - *-

DATE: AUGUST 14, 1985 g

RESPONSIBLE QA/QC SUPPORT ENGINEER REV:

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l shortly af ter the isometric drawing is issued out of design.

h Although a specific B&R procedure does not exist, passwords are assigned using the method outlined in the computer manual.

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addition, a weekly lecture is given where passwords are distributed and their use and restrictions explained. This lecture is generic in nature and therefore covers subjects other than piping isometric.

2.

The Unit I and 2 subsystem list is a list of isometric drawings for systems which require ASME III N-5 code stamping. The subsystem l

listing is developed by the'B&R Technical Services / Pipe Support Group (TS/PS) and is intended to satisfy the requirements of IOM number CPP-13721, dated 9-19-83; specifically to assist the QA and As-Built Groups in the definition of ASME subsystem boundaries.

j This group reviews the isometrics listed in DCC-TTL.RPT against piping flow diagrams to determine the need for ASME III N-5 stamping. Since the list of drawings to be reviewed is developed from the DCC-TTL.RPT it can not be considered a totally independent source.

1 3.

The ASME III N-5 Data Report Indexes for Unit I were developed by a B&R QA/QC Team. These indexes tabulate the information in the ASME III required N-5 data report. Each index is put together based on 4

a review of actual piping s/ stem data packages and is therefore independent of the subsystem list and the DCC-TTL.RPT. These indexes include, but are not limited to, items such as piping j

isometric drawing numbers, support numbers, welds, valves, piping attachments, etc.

This is not a controlled report but since it is i

used in conjunction with a report required to satisfy ASME III code requirements, it is a viable source for input to the Population t

List.

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The following steps were taken in generating the Population List:

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1.

The subsystem list was used as the base document in generating the

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population list. All line items in the subsystem list were checked h

against the DCC-TTL.RPT. This review is sufficient to establish that the isometric drawing numbers are in fact valid numbers.

2.

All isometrics listed in the DCC-TTL.RPT which were not on the subsystem list were checked to establish if the isometric included any ASME III pipe. This check was made by an actual review of the isometric drawing. If the isometric included ASME III pipe, it was added to the subsystem list.

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l COMANCHE PEAK REVIEW TEAM Page 3 of 3 a

POPULATION ITEMS LIST a

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S ORE MMNG CONMNIOU S

POPULATION NAME:

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DATE: AUGUST 14, 1985 j

PREPARED BY: 4MEe sa REV:

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RESPONSIBLE QA/QC SUPPORT ENGINEER 4

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3.

All Unit 1 ASME III N-5 Data Report Indexes, which lists all applicable j

isometrics requiring ASME III N-5 code stamping, were compared with the subsystem list and the DCC-TTL.RPT to further establish validity of the basic subsystem list. Any piping isometric listed on the data report

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index and not on the subsystem list or DCC-TTL.RPT was checked and added to the subsystem list if required.

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The final population list was established by removing any redundant isometric from the subsystem listing and deleting all reference to a subsystem list.

Based on the review outlined in items 1 through 4 abote, it is concluded i

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that the docceents used provide a viable a,ource for the final population j.

list and that the list includes all safety-related B&R isometrics for Unit 1 and 2 and common to both units.

From the Population List for Small Bore Piping Configuration items will be randomly selected prior to verification of installation complete and QC l.

acceptance. Only those considered "QC Accepted" will be used in the sample.

The following is the basis for "QC Accepted":

1.

All BAR pipe to pipe, pipe to fitting, and pipe to component welds 1-have been visually accepted by QC as documented by QC signature on the Brown & Root. Inc.-(B&R) weld data card.

2.

All BAR pipe branch to run pipe welds have been visually accepted p

by QC as documented by QC signature on the B&R weld data card.

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j 3.

Completion and acceptance of the Construction Operation Traveler by

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QC as documented by QC signature for permanent bolting on the j

traveler.

i The total number of items in the Population List that are installation I

complete and QA accepted will be between 2000 and 3000 isometrics.

Items selected which are not "QC Accepted" will be removed from the selected sample list and a new sample item chosen from the previously established population. In addition, any large bore piping isometrics chosen from the population will be rejected as a valid sample and a new sample iten selected.

BASIS FOR ACCEPTING ANY ADDITIONAL ITEMS:

l No other items are accepted

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ATTACHMENT A UNIT 1 ASME III N-5 DATA REPORT

.i INDEX ISSUE DATE I

1 System Index*

. System Description

Designation Issue Date t

Auxiliary Feedwater AF 10-12-84

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Boron Recycle BR 10-12-84 Compressed Air CA 10-11-84

> l Compressed Air, Inst.

CI 10-11-84 l

Component Cooling Water CC 10-11-84 Chilled Water CH 10-11-84 Chemical and Volume Control CS 10-11-84 Containment Spray CT 10-11-84 Demin and Reactor M/U Water DD 10-11-84 Diesel Gen. Fuel Oil DO 10-11-84 Fire Protection FP 10-11-84

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Sta. Gen. Teedwater FW 10-11-84 Waste Process, Gas GH 10-11-84 4

rj Hydrogen Air (Analyzer H,A 10-11--84 1

Main Steam MS 10-11-84 a

Process Sampline PS 10-11-84 Reactor Coolant RC 10-11-84 Residual Heat Removal RH 10-11-84

't Radiation Monitoring RM 10-11-84 j]

Spent Fuel Pool Cooling and Cleanup SF 10-11-84 Safety Injection SI 10-11-84 I

Station Service Water SW 10-11-84 Heating and Ventilation VA 10-11-84 A

Vents and Drains VD 10-11-84 j

Waste Processing, Liquid WP 10-11-84 a

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• Date represents actual computer printout run date.

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W POPULATION ITEMS LIST x,,

I i-l LARGE BORE PIPE CONFIGURATION

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SMALL BORE PIPE CONFIGURATIQN

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