ML19344E322

Visual Examination Procedure, Revision 3 to Preservice Insp Program

ML19344E322
Person / Time
Site:	Shoreham File:Long Island Lighting Company icon.png
Issue date:	07/08/1980
From:	LONG ISLAND LIGHTING CO.
To:
Shared Package
ML19344E321	List: ML19344E320 ML19344E322
References
PROC-80A0473, NUDOCS 8008280383
Download: ML19344E322 (19)

Text

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012 PROCEDURE NO. 80A0473

SUBJECT:

VISUAL EXAM PAGE 1 0F 3s VISUAL EXAMINATION PROCEDURE LONG lSLAND LIGHTlNG COMPANY SHOREHAM NUCLEAR POWER STATION I

UNIT 1

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NES 8 -io.77 Project Mgr. U Date REV. NO. DATE NES /., w 9 - g ._7 7 M . IS Level lli '

Date A 0 7-27-77 NES -

h dc/n V--Je ~77 ISI Pro r' . Level lil Date A

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NES [- 2.3-7/

QA Mgr. Date 2 4/3/80 L LCO 7 K, [M f o[,g[77 3 7/8/80 Date A

Date 8008280 3 g 3 a NUCLEAR ENERGY SERVICES. INC.

\

PROCEDURE NO. 80A0473

SUBJECT:

VISUAL EXAM FAGE 2. OF _j 5_,

RECORD OF REVISIONS Rev. Prep d 8

No. Date Description Reason by App'd by 1 10-15 p.1  : ' Add " Level lil" LILCO comments of 10-14-77 NES LILCO Delete "SSW" HARTFORD comments of 10-10-/7

4. 2. 2 :. Add " summary" k,"rh hI6 after certifica- v #"/'Cl78 tion.

6.2  : Delete (1) (2) (8)

(9) (10) (!!) (14),

correct "or", Re-number.

7.1.3: Add: "any visual aids ..... Data.

Sheet (Figure 1)"

7.1.4: Delete "(Figure 1)"

7 2.2: Add " grind marks,

. arc strikes, under -

cuts, surface porosity." Change

" efficient" to

" safe."

7.6.1: Add " exposed" 9.1.1: Add "The data sheets..... Code inspector."

9.3.1: Delete reference l to"S&W ESDCR A5210.4D" t

9.3.2: Change "S&W" to l "LlLC0" Fig. 1: Add line for

" Visual Aids" Add columns for "N/A", change "Wel d '

box, change " inspector" to " reviewer". I

[$f NUCLEAR ENERGY SERVICES. INC.

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~~ } ' NUCLEAR ENERGY Sr' ' CF.S INC. " "

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R . DATE P

DESCRIPTION APPROVAL 2

4-3/80 LILCO comments. To reflect recording h ryren_

criteria 5 2.0. (3) add LILco supplementary Inst. PSI-1 5/21/79 9 Add recording criteria see para.

14 Add recording instructions g Para. 7.2.1 add

. o Para. 7.2.1 add see para 8'. 2 con _39,9 3 Lilco comments.

5 2.0 (3) delete PST-T 5/21/79 Add Lilco letter dnted Wr . 14. 14RC 8 Parn. 7.2.3 add reference en Fig. T 11 Pnrn. R1 nda vnfornnno en rig T f

19 Para. 8.2 - clarify instructions 14 ii Add Figure Nunbers. CRA No. 1373

T o . of pages changed from 17 to 15 m

3 0A0 W DOCUMENT NO.

4 15 NUCLEAR ENERGY SERVICES, INC. PAGE OF VISUAL EXAMINATION PROCEDURE 1.0 SCOPE 1.1 Intent This procedure shall be followed for visual examination of nuclear reactor systems or components as required by the ASME Boiler and Pressure Vessel Code,Section XI, Rules for Inservice Inspection of Nuclear Power Plant Components, 1971 Edition to and including

- Summer 1972 Addenda. Examinations may be performed with the naked eye or may include visual aids such as telescopes, borescopes, peri-scopes, fiber optics, or T.V. cameras. This procedure does not include those visual methods which are aided by magnetic particle or liquid penetrant means, since these are considered surface exaniinations under the provisions of Section XI.

1.2 Types of Examinations This document shall apply to the following types of visual examinations:

1. Weld Visual Examination

2. Support Member Visual Examination

3. Valve Visual Examination

4. Pump Visual Examination

5. Bolting Visual Examination

6. Cladding Visual Examination

7. Visual Examination during Hydrotest.

1.3 Time of Examination This procedure shall govern preservice examinations and reexaminations af ter repairs of piping systems and components as required by ASME Boiler and Pressure Vessel Code,Section XI.

2.0 REFERENCE DOCUMENTS The following documents form a part of this examination procedure:

1. ASME Boiler and Pressure Vessel Code, Section 111 and Section XI,1971 Edition to and including Summer 1972 Addenda.

_ . _ FORM 8 NES 205 2/80 _ _

I l 0A003 DOCUM ENT NO.

PAGE 5 OF 15 NUCLEAR ENERGY SERVICES, INC.  ;

2. ConAm Procedure for Certifying Visual Examination Personnel for Preservice/ Inservice Examinations, CVEP-PSIS, Revision 0, January 1, J 1973.

3. LILCO letter,3. Rigert to G. Griffiths, dated 3/14/80. d b 3.0 PROCEDURE CERTIFICATION The examination procedures described in this document comply with Section XI of the ASME Boiler and Pressure Vessel Code.

4.0 . PERSONNEL CERTIFICATION 4.1 Personnel Certification Requirements 4.1.1 Each person performing visual examinations governed by this procedure shall be certified as qualified in accordance with Section 2.0(2) above.

4.2 Personnel Records 4.2.1 Records of personnel qualifications shall be maintained by the Examination Contractor.

4.2.2 A copy of each examiner's certification summary and a current eye test shall be filed with the permanent examination record, with a copy to the Plant Owner, or his agent, prior to d

performing examinations per this procedure.

5.0 EXAMINATION REQUIREMENTS 3.1 Surface Preparation Visual examinations which require clean surfaces for valid interpre-tation of results shall be cleaned by using demineralized water or acetone and clean cloths or other method approved by the Plant Owner or his agent.

5.2 Examination Area Identification Each examination area shall be located or identified on the appropriate weld map, isometric, or system boundary diagram.

5.3 Examination Coverage The intent of this procedure is to provide maximum examination coverage of Class I systems in areas identified in Tables15-251 and IS-261 of Section XI of the ASME Boiler and Pressure Vessel Code as developed in the Preservice Inspection Program Plan.

FDa4A C NM%@ R/Br@ .

1 M DOCUMENT NO. 80A0473 PAGE 6 _OF 15 NUCLEAR ENERGY SERVICES, INC.

6.0 EQUIPMENT REQUIREMENTS 6.1 Examination Contractor's Equipment 6.1.1 The following test equipment or its equivalent may be required due to lack of access or personnel hazards and may be prov'ded and/or operated by the Examination Contractor for examinations:

1. Telescope / Binoculars

2. Low power magnifying lens

- 3. Mirror

5. Portable light source (s)

6. Camera

7. 18% neutral gray card with 1/32" black line 6.1.2 A light source shall be used and shall be sufficient to obtain good definition and contrast at the surface of the object being examined. Color of the light source may be white (incandescent) or any other which will produce the desired definition and contrast. In all cases, light position, direction, and distance shall be adjusted to the best angle for viewing the component being examined. Where feasible, it shall be moved to various positions during the examination so that the light will fall on the component from a number of directions to improve the interpretation of conditions which may be

{ present. In addition, the level of illumination shall be adjusted by changing the distance or the intensitv so that the best visual contrast is obtained. The intensity of illumination at the work surface shall be equivalent to the intensities provided by standard light bulbs as shown in Table 1.

TABLE 1 l

l Distance from Workpiece Bulb (Inches) to Assure Wattage Adecuate Viewing 1

1 40 6-7 i 75 9 - 11 l 100 11 - 13 l 150 14 - 17 l 200 16 - 19 l

i FORM = NES 205 2/80 _

1 DOCUMENT NO.

8OA0473 M

PAGE 7 OF 15 NUCLEAR ENERGY SERVICES, INC.

6.1.3 Resolution shall be tested by placing an 18% neutral gray color card or plate containing a black line 1/32" in width in the area to be examined or a replica of that area. Resolution is considered adequate if this line can be resolved from this background. Where remote equipment is used, similar resolu-tion tests shal! be applied.

6.2 Plant Owner's Equipment The Plant Owner or his Agent shall provide the following service facilities and equipment as required:

1. Closed circuit teleiision system

2. Scaffolding h

3. Water, air, and electricity (110 volts,50-60 Hz)

4. Temporary lighting

5. Crane or lif ting devices

6. Test surface preparation

7. Post-examiration cleanup of test area l

7.0 dXAMINATION PROCEDURES 7.1 General Requirements 7.1.1 Direct visual examination may be performed when access is sufficient to place the eye within 24 inches of the surface to be examined and at an angle no less than 30 degrees with the surface to be examined. Mirrcrs may be used to improve the angle of vision.

7.1.2 The visual examination is employed to provide a report on the

! general condition of the part, component, or surface to be examined, including but not limited to such conditions as:

scratches, wear, cracks, structural distress, corrosion or erosion on the surfaces, misalignment or movement of the part or component, or evidence of leakage.

7.1.3 Remote visual examination may be substituted for direct visual examination to permit the examiner to determine the conditions in areas where access is restricted. Remote visual d examination may include visual aids such as but not limited to telescopes, periscopes, borescopes, fiber optics or T.V.

cameras, and monitoring systems with or without attachments for permanent recording. Any visual aids used shall be recorded on the Visual Examination Data Sheet (Figure 1).

FORM :NES 205 2/80 _ _ _ _ ,

- DOCUMENT NO. 80A0473 PAGE R OF 15 NUCLEAR ENERGY SERVICES, INC.

7.2 Weld Visual Examination .

7.2.1 Ensure that the examination surface is clean enough to allow examination of the weld. If a condition exists that prevents a full examination he shall not perform the exam, but shall g

report the condition for proper disposition.

7.2.2 Examine the weld surface for evidence of leakage, grind marks, arc strikes, undercurs, surface porosity, cracks, and other symptoms of structural distress or other condition which could interfere with the safe operation of the component.

h 7.2.3 Report findings on the Visual Examination Data Sheet, Figure 7.3 Support Member Visual Examination 7.3.1 This section defines the requirements for visual examination of nuclear reactor piping system support members. The purpose of the examination is to provide a check that the support member is not damaged, misaligned, or mounted in such a f ashion to affect the operation of the system.

7.3.2 Observe and record the hanger setting (if of that type) and note any abnormal condition. This includes constant and variable spring-type hangers, snubbers, and shock absorbers.

7.3.3 Observe all bolting and pinned connections for missing or bent parts or other damaged conditions.

7.3.4 Observe suppo.-t weldments for cracks, misalignment, or other evidence of distrc:,s.

7.3.5 Report all findings on the Visual Examination Data Sheet.

7.3.6 See paragraph 8.2 for recording instructions.

7.4 Valve Visual Examination 7.4.1 The purpose of this section is to provide the examiner with necessary guidelines to visually examine the various valver included within the system boundary in accordance with the requirements of the ASME Boiler and Pressure Vessel Code,Section XI. Provisions for valve internal inspection have been included. The Plant Owner or his agent shall remove insula-tion as necessary to facilitate examination.

7.4.2 External Examination

1. Examine the external surfaces of the valve, the valve operator and insulation for external damage, loose or broken service connections and other abnormal conditions.

l \1 l _. . FQRM 88 NES 205 2/80_ _ _ _ ,__ _

1 80A003 DOCUMENT NO.

9 OF 15 PAGE NUCLEAR ENERGY SERVICES. INC.

2. Report findings on the Visua! Examination Data Sheet.

7.4.3 Internal Examination

1. The following parts should be examined for mechanical damage such as cracking and breakage (not all the following parts are applicable to all valves):

A. Stem B. Disc C. Seat D. Packing E. Internal pilot valve

. F. Rings G. Stem-to-disc connection H. Valve body

2. The internal pressure boundary surfaces of the valve body shall be examined for cracks, mechanical damarj, loose objects, and r:ebris.

3. Report findings on the Visual Examination Data Sheet.

7.5 Pump Visual Examination 7.5.1 The purpose of this procedure is to provide the examiner with the necessary guidelines to visually examine the pumps to assure the owner-operator that no damage has occurred which can be considered detrimental to the pump's function. Provisions for pump internal inspection have been included.

7.5.2 External Examination i

1. The external surfaces of the pump, motor, and insulation shall be examined for external damage, loose or broken service connections, and other abnormal conditions.

2. Report findings on the Visual Examination Data Sheet.

7.5.3 Internal Examination

1. The pump bowl internal pressure boundary surfaces shall be examined for evidence of erosion, cracking, mechanical damage, loose objects, and debris.

! 2. Examine the pump impeller or piston for erosion, cracking, mechanical damage, or other abnormal conditions.

3. Report findings on the Visual Examination Data Sheet.

I

{ . F@D1 3 KNES 205 2/80

1 80A0473

- DOCUMENT NO.

PAGE 10 OF 15 NUCLEAR ENERGY SERVICES, INC.

7.6 Bolting Visual Examination 7.6.1 Examine all exposed surfaces, especially the thread root ares (if A Q

applicable), for evidence of cracking, mechanical damage, or other abnormal conditions.

7.6.2 Record observations on the Visual Examination Data Sheet.

7.7 Cladding Visual Examination 7.7.1 Examine the clad surface for evidence of cracking, mechanical damage, or other abnormal conditions.

. 7.7.2 Report findings on the Visual Examination Data Sheet.

7.8 Visual Examination During Hydrotest 7.8.1 This examination shall be performed at that time when the system boundary is subjected to a hydrostatic test as specified by the Program Plan and schedule. For all systems, the system shall be at test pressure for a minimum of four (4) hours prior to examination.

7.8.2 The external surfaces of all accessible areas of the components and piping within the hydrostatic test area shall be directly or remotely examined for evidence of uncontrolled coolant leakage from the system. The examination may be conducted without the removal of insulation when the external surfaces of the insulation joints are accessible for visual examinatioa.

7.8.3 The examination shall be performed by inspecting:

1. The exposed surfaces of, and joints in, component insulation to locate evidence of teactor coolant leakage, and

2. The floor areas (or equipment) directly underneath components for evidence of accumulated leakage which might drip from components.

3. When evidence of leakage is found, the following steps shall be taken:

A. The specific location of the leak shall be determined by the removal of any insulation which interferes with the determination of the leakage source.

B. The leakage source, when determined, shall be Identified and its specific location defined by:

(1) Marking the area on the leaking component, l using a suitable marking device, and/or i

FORM NES 205 2/80 _ _ _ _ _ _ _ .

DOCUMENT NO.

0W3 11 OF 15 NUCLEAR ENERGY SERVICES, INC. PAGE (2) Documenting its location on the data sheet using supplementary sketches, if necessary, by measured distances from convenient, adjacent reference locations such as welds, components, etc.

' 8.4

. Examination of insulation joints along vertical surfaces of vessel walls and piping need not be performed provided the lowest terminal ends of vertical surfaces are examined, and the insulation design is such that any leakages originating along the vertical surfaces can accumulate and leak from the insulation joint at the lowest elevation.

. 7.8.5 Examination of insulation joints along horizontal surfaces of components shall be conducted at each insulation joint except where accessibility is limited by structural members or other components. In the latter cases, either the insulation shall be removed to permit component examination, or provisions shall be included to channel potential leakages to areas accessible for examination.

7.8.6 At locations where reactor coolant leakages are normally expected and collected (e.g., valve stem, pump seals), the examination shall verify that the leakage collection system is operative.

7.8.7 Report findings on the Visual Examination Data Sheet.

8.0 RECORDING OF INDICATIONS 8.1 All visible indications shall be reported and detailed on the data sheet (see Figure 1) and shall contain the following data:

d

1. Date of examination

2. Identification and signature of examiner 1

3. Identification of item examined

4. Examination results

5. Special equipment used

6. Photographs may be used to assist in evaluation

7. The location of indications shall be described with respec+ to a convenient datum punt on the object being examined I

l

8. Other information as required.

__ _FWAj # NE3 205_2R _ . __. _ ___ __ __ __ __ _ _ , _ _ . _

1 DOCUMENT NO. 80A0473 my PAGE 12 OF 15 NUCLEAR ENERGY SERVICES. INC.

Recording Instructions 8.2 When conditions noted during visual examination require dispositioning, A

Figure 2 shall be used instead of Figure 1. To assist in the recording of these conditions, the following supplementary guidelines shall be used d

to aid in the dispositioning of these reported conditions:

1. Severity approximations (e.g., heavy or light rust)

2. The effect that the condition will have on future surface or volumetric examinations

3. Where measureable, the applicable dimensions of the

. noted condition, length, width, and depth.

4. Grind marks less or greater than 250rms (estimated)

5. Undercut less than or greater than 1/32" deep

6. Punch marks less than or greater than 1/32" deep

7. Surface porosity A. Rounded indications greater than 3/16" inch in maximum dimension B. Four or more smaller rounded indications, if aligned and separated by 1/16" or less, edge to edge C. Ten or more rounded indications within a six (6) square inch area whose major dimension is not to exceed six (6) inches, with the area defined in the least favorable location with respect to the indications being evaluated.

NOTE: Indications whose major dimens. ions are greater than 3/16" shall be considered relevant.

8. Provide sketches where necessary to illustrate a noted condition.

9.0 EXAMINATION RECORDS 9.1 Certification of Records Data sheets shall be numbered 473-1, 473-2, 473-3, etc., completed and signed by the examiner immediately upon completion of each examination. The data sheets may be reviewed by the authorized Code Inspector.

FORM NES 205 2/80 _

l DOCUMENT NO.

80A003 my 13 15 NUCLEAR ENERGY SERVICES, INC. PAGE OF 9.2 Filing of Records 9.2.1 The examiner shall be responsible for submitting to the Plant Owner, or his agent, a complete set of examination records including certification of personnei qualifications with current eye test in accordance with paragraph 4.2.2.

9.2.2 Permanent records shall be maintained by the owner-operator for the life of the component. g 9.3 Procedure Corrections and Additions 9.3.1 All procedure corrections and/or additions required during the preservice and/or repair examination shall be made in accor- 1 dance with the requirements of NES Quality Assurance Program Plan,80A0448.

9.3.2 The examiner shall contact the LILCO representative on site A to initiate all such changes. All changes shall be documented Ol in the Record of Revisions section of this procedure.

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__ FORM # NES 205 2/80_ _ __ _ _

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80A0473 PROCEDURE NO.

FIGURE 1

SUBJECT:

VISUAL EXAM PAGE If,i,,,,,,,,,, OF _. 1 5 VISUAL EXAMINATION DATA SHEET NO. 473-Area Examined _ Temp Pressure Examiner's Name Level Photo: None Att'd Visual Aids None Additi,nal comments and sketches on the reverse side, if necessary WELDS YES NO N/A BOLTING YES NO N/A Cracks / linear indications Cracks Wear or corrosion _

Galling or stripping _

Gouges, grind marks _

Corrosion _

Arc strikes, undercuts _

Mechanical damage _

Surface porosity _

Location and notes Evidence of leakage _

Location and notes CLADDING YES NO, N/A Cracking _

Gouging SUPPORT COMPONENTS YESNO- N/A Mech. damage

~

Cracks Location and notes Wear, gouges or corrosion _

Loose, missing or bent parts _

Evidence of leakage _

Misalignment _

Extraordinary movement _

Hanger setting -

PUMPS AND VALVES YES NO N/A Fluid level _

Location and notes e _

External damage _

Corrosion _

Internal wear / gouging _

Location and notee HYDROTEST YES NO, N/A b*^ "9" -

Examiner's Corrosion of ferritics -

Signature Location and notes Date Reviewer Date NUCLEAR ENERGY SERVICES INC.

1

I mr DOCUMENT NO.

11. -

NUCLEAR ENERGY SERVICES, INC.

FIGURE 2.

VISUAL RECORDING DATA SHEET 473-AREA EXAMINED DATE EXAMINER'S NAME LEVEL PHOIO: NONE ATT'D VISUAL AIDS SKETCH:

MEUTRAL GREY MIRROR FLASHLIGHT _ RULER / TAPE MAG. GLASS OTHER I

YES NO LENGTH WIDTH DEPTH LIG?.T HEAVY SHALLOT 3 REMARKS CRACVS LINEAR INDICATION WEAR GOUGES GRIND MARKS ARC STRIVIS i UNDER CUT SURFACE POROSITY WELD SPATTER PAINT OTHERS EVIDENCE OF LEAK DISPOSITION EXAMINER; REQUIRED ] NOT REQUIRi'D ]

REVIEWER; FORM

• NES 205 2/80

NUCLEAR ENERGY SERVICES, INC. MASTER DOCUMENT LIST NO. bOAf94l REV. k.7 DATE &

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