WATTS BAR NUCLEAR PLANT

TECHNICAL INSTRUCTION

TI-31.13

WALL THICmNSS MEASUREMENT OF

PIPINO. TAKS. FAGES. AND VESSELS

CURRENT REVISION LEVEL: 2

Responsible Section Codes and Standards

Prepared By

Revised By

Submitted By

PORC Review Date

Approved By

Date Approved

S. L. Lintenfelter

Plant Manager

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Last page of this instruction: 5

OS16 35j

8709230165 870918 PDR ADOCK 05000259 0 PDR

Ll Doc Control Unit, 1520 CST2-C

NRC . NSRS, 249 A HBB-K

Plant Master File Plant Manager

- Supt (OSE) Supt (Maint) Plant Ada Svs Supv

SASE Duty Station Building Services Supv Cher Lab Chea Engs Unit Supv Chief, Nuclear Safety Staff

/-• Chief, Nuclear Training Branch

Chief, Quality Audits Br, 1350 CUBB-C

Compliance Unit Component Engg & Svs Group

DPSO-WBN _ Dg & Vendor Manual Supv

Elect Maint Supv J Engs Section Supv

Health Physics Supv Health Physics Lab Industrial Safety Supv

7 Instr Maint Supv Instr Shop

Materials Unit Supv Mech Maint Supv l ech Eng Unit Supv Modifications Manager Operating Instruction Coordinator

/' Operations Supv Operations Training Sect Supv Operator Training Classroom

P&S Supv SPlant QA Supv

Plant Training Officer Power Stores Unit Supv

Preop Test Supv Public Safety

Reactor Engg Unit Supv Shift Engr's Office

Staff Reference Copy

Support Svs Supv Tech Support Center

SUnit 1 Control Ra Unit 2 Control Ra

S John Raulston', NEB, W10A63 C-K Site Director

7 Watts Bar Tech Svs

Design Svs Manager Inservice Inspection

ILLe IhaL wcti \y.L i *^.^cX '

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WBN TI-31.13 Page 1 of 1 Revision 2

PUmCHLIST

1. RCW grids 4 and 5 and main stes grids 1 thru 17 to have minimum wall

thickness established later.

2. TS-09.01.O .1 4 .0 2 revision c hning responsibility for data review from

CRt betalurgy and Codes Section to Site Services Codes and Standards has

not been issued yet.

~

WBN TI-31.13 i Page 1 of 2 uevision 2

corrosion.

2.0

2.1 Source Document

.1.1 1sction progrT0 dd /2 (26 850422 041)

2.1.2 W-D. . W Vilson to J. C. Sandifer dated 4/22/85 (26 85022 041)

2.1.3 m C. Staier to D. W. Wilson dated 7/5/85 (B26 850705 010)

2.2 Other Document

2.2.1 Quality Engeerinee i Hanual, procedure N-UT-2 6 and N-UT-35

3.0 TEST EQUI

!3.1 yrautkZr5meranson flow detection/thickness measurement instruent

M•odel USL-38.

-3.2 A 5 HUZ, iongit ud n al wave, 1/2 to 3/4 inch, pulse echo transducer.

. 3.3 A dua- element, 1/4- to 1/2-tul diameter search unit.

S 3.4 Coulant material (petroleu jelly or Ultra-Gel), TI-35

approved.

* •4.0 caUTITONUS MD WEOREUISITES

4.1 Use proper ear rd.o*ye protection.

4.2 Prior to working in any suspected radiation or contaminated areas

notify HP or assistance.

4.3 Personnel must be qualified Level II or II! for reading scope.

5.0 R NP1SIBII T 1E

5.1 The Codes and Standards Section shall be esponsible for proper location,

marktia, and identification of gri4s.

5.2 The Cddes and Sa.nderdS Section shall complete the top portion of the data

sheet and idniSh dra-ings/sketch ea shoving identification

and ocation of

Seach grid to be exained.

;5.3 The at Inspction Section shall be responsible-for performnce of wall

" thicknesC measur •.CUt They shall complete the remaining portions of

the data package. The cop•leted data package shall be forwarded t the

Codes and Standards Section.

5.4 The Codes oad Standards Section shall be responsible for revie*ing

and evaluatin wall thickness measureUnts. end I

WBN 1T-31.13 Page 2 of 2 Revision 2

.- INS _ *UC T

6.0 IlthiiCT OnS t be efoed accordance with Quality

6.- a-thicknesbe pemreosrmt s- ckess up t, ,nd including

6.1 ae, procedure 1-UT-26 for th.ick-- •. UP t hickness udin

iL,•inch ternd •ni-T fo fl•n... Record only mini, thi•l,, 1/2 inch "ad -- - - be in accordance

6.2 yield calibration of the test i retnt du l be i od

With the eqUieMets o the reference procedure nofbet

7.0 1 AlCPl t-C td *ii shall be either repaired

,7.1 Uas thicknesses l essthan ote elOt e Power and

. Prior to return to service or evaluated by the fic of o d

lngineerinS and deterined acceptable*

ERCW GRIDS

I through 17 to have minimum

RCV grids 4"rad 5, and min steam grids

wall thickness established later.

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Reason for inspection:

Periodic

Repairs Complete on Grid

Other

Number of data sheets attached

Data packae assambled by: __des and andards Codes and StandardsDate

_ Oaf ----.

Data package rviewed by: C odes and Standards

Remarks:

.........

WBN TI-31.13 Data Package Page I of 3 Revision 2

DATA PACKAGE COVER SHEET

WALL THICLEnSS MEASUR•MEfT Or

PIPIG, TANIS, rLAGES, AND VESSELS

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WBN TI-31.13 Data Package Page 2 of 3 Revision 2.

PIPE GRID DATA SHEET

UDIT_ SYSTEM GRID NUMBER PIPE DIAHETER

SCHIDULE/NOINEA WALLI EXAMINER_ _ DATE

IJSPCTION INSTRUMMNT ID __ CAL DUE DATE

A

F

VWN TI-31.13 Data Package Page 3 of 3 Revision 2

SIT STSTEN

LAUGE: Adjacent To Grid 0

Opposite Grid a

FLANGE DATA SHEET

GRID UMBER

Examiner

Date

PIPE DIAWTER .

Inspection Instrument ID #__ Cal Due Date

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