ML20129D442

Package Consisting of Results of 850611 Initial Look at Turbine Bypass Valve Sp 13A2 & Associated Piping & Walkdown of Main Steam Sys Outside of Containment Documented Under 850614 QC Insp Plan

ML20129D442
Person / Time
Site:	Davis Besse
Issue date:	06/17/1985
From:	TOLEDO EDISON CO.
To:
References
NUDOCS 8507300044
Download: ML20129D442 (31)

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Summary of 6/11/85 Walkcown of I Turbine Bypass Valve PV-SP13A2 )

Participants:

R.A.Ackerman, Assistant Engineer T.E. Hiss, Mechanical Engineering Supervisor M.B.Raynes, Assisitant Engineer (part-time)

Time: 1:00 - 2:00 pm, Tuesday June 11, 1985 EUSEDSE The purpose of the walkcown was to generally scope out ne damaged turbine bypass valve as well as look for signs of water-hammer to the piping system.

E1091U95 The following items were observed on the damaged turbine cypass valve l

-tne yoke was severed at both 510es near the mounting bolts t

for tne manual actualtor 4

-the cylinder adapter cracked circumferecially (360 degrees) near the mounting bolts to the spacer

• -the valve stem indicator snowed the valve to be 2n the open position

-the switen assembly mounting uracket was bent

-the Bailey positioner mounting bracket was bent

-the . Bailey valve posotioner drive rod broke away from the valve stem

-the solenoid valve mounting bracket was bent upwards The piping system associated.with the turbine bypass valve noted no evidence of any abnormal pipe movements due to water hammer.

Pipe ' support structures in the immediate area appeared intact with no sign of gross failures 1

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. s-TDLE00 EDISON s

Log No. ' E85-152A File No. MM 5.1 .

June 13, 1985 SP 13A2 and Associated Piping Walkdown 6/13/85 at 0930:

Hanger EBD-3-H33 - No movement apparent on snubber B Header Valves and Actuators show no visible damage Valve upper stem thread shown in inches:

13Al 7/8 13A2 2-1/8 13A3 1-1/16 1351 47/64 13B2 1-1/8 13B3' 1-3/16 MS 712 no visual damage.

EBD-108-HS - minimal movement in south direction.

No visual damage to insu11ation upstream of valve.

MS 47 Line f rom SP13A2 to condenser shows no visual signs of water hammer damage. .

End 1010 6/13/85.

/M N NMike Kusnir Matthew Rafnes Assistant Engineer Assistant Engineer i-i P

THE TOLEDO EDISON COMPANY EDISON PLAZA 300 MADISON AVENUE TOLEDO. OHIO 43652 y , , - - -, -- -.w-, - - - -- ~ -- --- - . -

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TOLEDO EDISON COMPANY QUALITY CONTROL SECTION suRvEILLAN ;E NO.

OC SURVEILLANCE / INSPECTION REPORT Eo 4s., 85-et-51 DATE PAGE 14 June 1985 1 oP 14 PREPAREDSY REVIEWED SY John L. Schultz ( [ [

suSsEcT ( g MAIN STEAM WALKDOWN DESCRIPTION OF SURVEILLANCE /INSPECTaoN REPORT This surveillance report documents the Main Steam Line Walkdown conducted by Quality Control Inspectors; J. Schultz, M. Hurley; R. Schuck; M. Spencer and D. Rhodes.

Starting outside Containment, the walkdown was conducted to the turbine nozzle and to the turbine bypass valves. See drawings HL-203A, HL-203B, HL-203C and HL-203G.

No Gross Failures were found during this indirect inspection. See attached QCIP-037 data sheets for details.

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OC INSPECTION PLAN

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- TITLE NUMSER PAGE 0' 4 Cross Deficiency Indirect Insnection of Pinine OCIP-037 1 REv.No. oATE *

' Maneern_ sunnoren. and na=trainen O 6-14-85 PREP ARE olv a LEVEL REQ. AREA John L. Schultz REVIEWEo sv (1 ad l

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APPMoVEo BY F

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1.0 INTRODUCTION

The purpose of this Inspection Plan is to set forth the criteria used to perform an indirect inspection on piping and piping supports for gross deficiencies of a variety of systems. -This Inspection Plan will be implemented by Quality Control at the requent of the Nuclear Facility ,

Engineering Department.

A walkdown indirect inspection will be performed on the system to doctament any gross conditions. The results of the inspection is to be documented on an Attaciument I and information provided to Nuclear Eacility Engineering Supervisor for evaluation.

2.0 REFERENCES

2.1 ANSI N45.2.6 2.2 Specification 12501-M-450Q 2.3 Specification 12501-C-406Q 2.4 AD 1807.00 2.5 QCI 3101 2.6 QCI 3150 3.0 PREREQUISITES 3.'1 System to be inspected must be in a stable condition, (i.e. cold /

shutdown, hot / operating) .

4.0 EQUIPMENT 4.1 Flashl'ight 5.0 REQUIREMENTS 5.1 Perform an indirect inspection of each hanger for the following attributes as they apply to the hanger and complete Attachment I. Document all unsatisfactory conditions in the remarks section on the attachment, and inaccessible areas not inspected.

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"CAITIION"

- No access to " roped off" areas- pertaining to equipment oui the attached Equipment Freeze List shall be made. Document such conditions in the remarks section.

PERPoRMEo BY: REVIEWEo BYs N/A N/A oe supe Rvisom ,

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GD 6988 $6 l@e2.T* N l'4~* M - 7 8 2

• 4 mte NUMBER Cross Deficiency Indirect Insnection of Pinin? QCIEr017

~'RNilo N NUMSER a Hangers. Supports, and Restraints 0 NOTE: The results of inspection shall be recorded on Attachment I as follows: S - Satisfactory .

U - Unsatisfactory N/A - Not Applicable

• - Additional information in' remarks section 5.1.1 Inspect anchor bolts for looseness or pulled out. Where -

possible, identify any signs that the base plate to anchor interface has shif ted, such as chipped or cracked paint -

around nut, bolt, or washer.

5.1.2 Inspect base plete for signs of movement such as cracked painting, chipped or broken concrete / grout, etc.

5.1.3 Inspect the thermal insulation in the vicinity of the hanger for any indication of excessive pipe movement. Note any conditions such as crumbling, or displaced insulation blocks, deformed and loose jacketing, etc.

5.1.4 Inspect hanger or support structure for any degrading condition such as bent or deformed members, pipe clamp shifted or mis-orientated.

5.1.5 Inspect hydraulic / mechanical snubber and spring hangers for:

5.1.5.1 Cross failures such as members, piston rod and welds.

5.1.5.2 Verify pivot pins and retainers / load studs are installed.

5.1.5.3 For hydraulic snubbers verify fluid level is correct and no evidence of leakage. (Should be approx. k full with piston' rod fully extended, and 7/8 full with piston rod fully retracted.

Fluid level thould be at an intermidiate level with piston rod at an intermediate position) .

5.1.6- Enter initials and date on Attachment I. .

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V6 /3 o f / d Attachment I Page 2

Summary of 6/11/85 Walkcown of Turoine bypass Valve PV-SP13A2

Participants:

R.A.Ackerman, Assistant Engineer T.E. Hiss, Mechanical Engineering Supervisor M.B.Raynes, Assisitant Engineer (part-time)

Times 1:00 - 2:00 pm, Tuesday June 11, 1985

. EySEQSg The purpose of the walkcown was to generally scope out ne damaged turbine bypass valve as well as look for signs of water-hammer to the piping system.

E1U91 NEE The following items were coserved on the damaged turbine cypass valve:

-tne yoke was severed at both sices near the mounting bolts for the manual actualtor

-the cylinder adapter cracked circumfereciaIlv (360 degrees) near the mounting bolts to the spacer

-the valve stem indicator snowed the valve to te in the open position

-the switch assembly mounting bracket was bent

-the Bailey positioner mounting bracket was bent

-the ' Bailey valve posotioner drive rod broke away from the valve stem

-the solenoid valve mounting bracket was bent upwards The piping system associated with the turbine bypass valve noted no evidence of any abnormal pipe movements due to water hammer.

Pipe support structures in the immediate area appeared intact with no sign of gross f ailures l

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TOLE 00 ED!SDN Log No. ' E85-152A File No. MM 5.1 June 13, 1985 SP 13A2 and Associated Piping Walkdown 6/13/85 at 0930:

Hanger EBD-3-H33 - No movement apparent on snubber B Header Valves and Actuators show no visible damage Valve upper stem thread shown in inches:

13Al 7/8-13A2 2-1/8 13A3 1-1/16 1331 47/64 13B2 1-1/8 13B3 1-3/16 MS 712 no visual damage.

EBD-108-H5 - minimal movement in south direction.

No visual damage to insullation upstream of valve.

MS 47 Line f rm SP13A2 to condenser shows no visual signs of water hammer damage.

End 1010 6/13/85.

MM-I kMike Kusnir Matthew Rafnes Assistant Engineer Assistant Engineer THE TOLEDO ED: SON COMPANY EDISON PLAZA 300 MADISON AVENUE TOLEDO. OHIO 43552 l

TOLEDO EDISON COMPANY QUALITY CONTROL SECTION OC SURVEILLANCE / INSPECTION REPORT SURVEILLANCE NO.

E o s.4s.i 85-M-51 LATE PAoE 14 June 1985 1 oP 14

. PREPAREo SY REVIEWED SY John L. Schultz ( [ [

SUBJECT (

MAIN STEAM WALKDOWN LESCRIPTION OP SURVEILLANCE / INSPECTION REPORT This surveillance report documents the Main Steam Line Walkdown conducted by Quality Control Inspectors; J. Schultz, M. Hurley; R. Schuck; M. Spencer and D. Rhodes.

Starting outside Containment, the walkdown was conducted to the turbine nozzle and to the turbine bypass valves. See drawings HL-203A, HL-203B, HL-203C and HL-203G.

No Gross Failures were found during this indirect inspection. See attached QCIP-037 data sheets for details.

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. THE TOLEDO EDISON COMPANY OUAUTV CONTROL SECTION UC " '" " '#*

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. Eo seso TITLE NUMSER PAoE 0' 4 Cross Deficiency Indirect Insnection of Pinine OCIP-037 1 ME V. No. DATE * -

,' ' Maneera. Sunnoren. and nemtrainta LEVEL REQ.

O AREA 6-14-85 PRE P ARE olV:

i John L. Schultz REviEwEo ev:

(bdi E APPRovEo sv: i r

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1.0 INTRODUCTION

The purpose of this Inspection Plan is to set forth the criteria used to perform an indirect inspection on piping and piping supports for

, gross deficiencies of a variety of systems. This Inspection Plan will be implemented by Quality Control at the request of the Nuclear Facility ,

Engineering Department.

A walkdown indirect inspection will be performed on the system to

j. document any gross conditions. The.results of the inspection is to be documented on an Attaclament I and .information provided to Nuclear

] Eacility Engineering Supervisor for evaluation.

2.0 REFERENCES

2.1 ANSI N45.2.6 2.2 Specification 12501-M-450Q 2.3 Specification 12501-C-406Q 2.4 AD 1807.00 2.5 QCI 3101 2.6 QCI.3150 "

l 3.0 PREREQUISITES I 3.'1 System to be inspected must be in a stable condition, (i.e. cold /

l shutdown, hot / operating) .

I 4.0 EQUIPMENT 4.1 Flashlight 5.0 REQUIREMENTS i

5.1 Perform an indirect inspection of each hanger for the following F attributes as they apply to_ the hanger and complete Attachment i

I. Document all unsatisfactory conditions in the remarks section on the attachment, and inaccessible areas not inspected.

I " CAUTION" No access to " roped off" areas pertaining to equipment ori the l

j attached Equipment Freeze List shall be made. Document such '

r conditions in the remarks section.

i- PERFORMED SYs REVIEWEo eV I N/A N/A l oc supervisor '

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OUAUTY CONTROL SECDON OC VER6FICATION (CONDNUADON SHEET) PAGE no seen Qt. Espea.r 4 RC-m-n 2 or 4

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uns uuueur Cross Deficiency Indirect Inspection of Pinine gC){gjl{T y ,

Hangers. Supports, and Restraints 0 NOTE: The resul ts of inspection shall be recorded on Attachment I as follows: S - Satisfactory .

U - Unsatisfactory N/A - Not Applicable

• - Additional information in remarks section 5.1.1 Inspect anchor bolts for looseness or pulled out. Where ~

possible, identify any signs that the base plate to anchor interface has shifted, such as chipped or cracked paint -

around nut, bolt, or washer.

5.1.2 Inspect base plate for signs of movement such as cracked painting, chipped or broken concrete / grout, etc.

5.1.3 Inspect the thermal insulation in the vicinity of the hanger for any indication of excessive pipe movement. Note any conditidns such as crumbling, or displaced insulation blocks, deformed and loose jacketing, etc.

5.1.4 Inspect hanger or support structure for any degrading condition such as bent or deformed members, pipe clamp shif ted or mis-orientated.

5.1.5 Inspect hydraulic / mechanical snubber and spring hangers for:

5.1.5.1 Gross failures such as members, piston rod and welds.

5.1.5.2 Verify pivot pins and retainers / load studs are installed.

5.1.5.3 For hydraulic snubbers verify. fluid level is correct and no evidence of leakage. (Should be approx. \ full with piston rod fully. extended, and 7/8 full with piston rod fully retracted.

Fluid level should be at an intermidiate icvel with piston rod at an intermediate position).

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5.1.6 Enter initials and date on Attachment I. .

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- THE TOLEDO EDISON COMPANY OUAUTY CONTROL SECTION __

PAGE OC VER'FICATION (CONTINUATION SHEET) no eene gg gspog r& pr. m . ,g I z or z NUMSER TITLE Cross Deficiency Indirect Insnection of Pipine ,

Hanners. Supports. and Restraints A/ 4 - J CJ G 84*1 0 0 REMARKS:

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NUMSER

• TITLE Cross Deficiency Indirect Inspection of Pipine g g DJ , ,

.' Hangers. Supports, and Restraints #4 2 0 3 c. / 2 4 3 C. 0 REMARKS:

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• 6/12/85 4:00 PM py

. ATTACHMENT FOR CAUTION FOR QCIP-037 M h - C ~/

', EQUIPMENT FREEZE A4 The following list of items )d' the licensee's proposal for continued quarantine:

1. MFP's Turbine and Controls ,

2. SFRCS and associated instrument chanasis

3. AuxFeed Pump Turbines and Controls

4. MSIVs including controls - Actuating Circuits, Pneumatic supplies

5. S/U Feed Valve SP-7A - and controls [

6. Source Range instrument channels

7. Turbine Bypass Valve SP-13A2 - Any other components for

- which there is found an indication of water hammer damage

8. PORY & Controls and Actuation system

9. Main Steam Safety valves

10. AF 599 & 608 valves, Actuators and Controls This item was released by thi Fact-Finding Team:

1. SPDS This item was added by the Fact-Finding Team:

1. SW Valve and Controls on AW alternate supply It is agreed that no work will be done in the proximity of, or on, I

this equipment. g gg,gg The licensee agreed to complete a walkdown of the Main ' Steam System by i appropriate personnel to identify any additional dacage that may have been caused by water hammer.

i The Fact-Finding Team stated that:

(a) If required for safety, work shall proceed.

(b) Surveillance Requirements of the Technical Specifications

( should be satisfied.

l (c) The team should be advised of any actions taken in the two l f areas above.

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