ML20080K735
| ML20080K735 | |
| Person / Time | |
|---|---|
| Site: | Shoreham File:Long Island Lighting Company icon.png |
| Issue date: | 05/20/1983 |
| From: | NUCLEAR ENERGY SERVICES, INC. |
| To: | |
| Shared Package | |
| ML20080K631 | List: |
| References | |
| 80A0472, 80A472, NUDOCS 8309290368 | |
| Download: ML20080K735 (16) | |
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a PROCEDURE NO.
80A0472
SUBJECT:
LIQUID PENETRANT PAGE 1
0F 16 LiqulD PENETRANT EXAMINATION PROCEDURE LONG ISLAND LIGHTING COMPANY SHOREHAM NUCLEAR POWER STATION UNIT 1 l
I Prep'd by 8-10-77 h
Date 80!TiiO!1EE B0Fil 5.h b.
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NES 6-Io-? ?
Project M r.
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Date REV. NO.
DATE NES
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7/25/77 NES
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eni lli Date A
1 10/14/77 NES E
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5/20/83 QA Mgr.
Date LILCO
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Date 8309290368 030915 h
DR ADOCK 05000 NUCLEAR ENERGY SERVICES, INC.
PROCEDURE NO.
80A0472
SUBJECT:
LIQUID PENETRANT PAGE 2
0F 16 e
RECORD OF REVISIONS R;v.
Prep'd No.
Date Description Reason by App'd by 1
10-15 p.1 Add " Level fil" LILCO comments of 10/14/77 NES LILCO Delete "S&W" HARTFORD comments of 10/10/77 bh j
- 6. l ti (1): Change to 40
,f g
" Approved cleaninc agent - such as
- acetone, isopropyl alcohol or penetrant solvent / remover" 7.2 :
Delete "immediate-ly".
8.2.1:
Change dwell time l
l to "20-30 minuted' 10.1 :
Add:
"The data sheets..... Code Inspector" 10.3.1: Delete reference to"S&W ESDCR A5210.4D" 10 3.2: Change "S&W" to "LILC0" Figure 1:
Change
" inspector" to " reviewer" 2
5/83 7.4: Change "spatcheck",
Incorporate Field Changes h
8
[
+g3
,g type SKL/S to read 1,2,3 SKL/S or SKL/S or SKL-HF/SKL-5 type.
Figure 1: Change to new Data Sheet.
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9.2.2:
Add note SEE CRA 3325 O
NUCLEAR ENERGY SERVICES, INC.
PROCEDURE NO.
80A0472
SUBJECT:
LIQUID PENiTRANT PAGE 3
0F 16 LlQUID PENETRANT EXAMINATION PROCEDURE 1.0 SCOPE 1.1 Intent 1.1.1 This procedure shall be followed for liquid penetrant examination of nuclear reactor systems or components as required by ASME Boller and Pressure Vessel Code,Section XI, Rules for Inservice inspection of Nuclear Power Plant Components, 1971 Edition to and including Summer 1972 Addenda.
The method described herein is to be used for the detection of discontinuities open to the surface.
1.1.2 This procedure may be used on ferrous and non-ferrous materials but shall not be utilized for surface examin-ations of porous materials.
1.2 Types of Examination
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Either a color-contrast or fluorescent penetrant method may be
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used.
For each method, there are two types of penetrant:
(1) water washable (2) solvent removable 1.3 Time of Examination This procedure shall govern preservice examinations and re-examinations after repairs of piping systems and components as requ! red by the ASME BoIIer and Pressure Vessel Code,Section XI.
2.0 REFERENCE DOCUMENTS i
The following documents form a part of this examination procedure:
(1) ASME Boller and Pressure Vessel Code, Section Ill, App. IX,Section V, and Section XI, 1971 Edition to and including Summer 1972 Addenda.
O NUCLEAR ENERGY SERVICES, INC.
PROCEDUPE NO.
80A0472
SUBJECT:
LIQUID PENETRANT PAGE 4
0F 16 4
L (2)
SNT-TC-1A, The American Society for Nondestructive Testing, Recommended Practice for Nondestructive Testing Personnel Qualifications and Certification, with Supplement D, " Liquid Penetrant Testing Method" (1971).
4 (3)
ConAm Procedure CPTP-1 for Certifying Penetrant Test Personnel, Revision 4, October 1975.
3.0 PROCEDURE CERTIFICATION The examination procedures described in this document comply with Section XI of the ASME Boller and Pressure Vessel Code.
4.0 PERSONNEL CERTIFICATION 4.1 Personnel Certification Requirements 4.1.1 Each person performing examinations governed by this O
procedure shall be certified as qualified in accordance with References 2.0 (2) and 2.0 (3) above.
4.1.2 Interpretation of examination results shall be performed by personnel with a minimum qualification of Level 11 in accordance with References 2.0 (2) and 2.0 (3) above.
4.2 Personnel Records 4.2.1 Records of personnel qualification shall be maintained by the Examination Contractor.
4.2.2 A copy of each examiner's certification and a current eye test, as ' required by SNT-TC-1A, shall be filed with the permanent examination record, with a copy to the Plant Owner, or his agent, prior to performing examinations as per this procedure.
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i NUCLEAR ENERGY SERVICES, INC.
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PROCEDURE NO.
80A0472
SUBJECT:
LIQUID PENETRANT PAGE 5 0F 16 5.0 EXAMINATION REQUIREMENTS 5.1 Surface Preparation All surfaces of the component or part to be examined by the liquid penetrant examination method must be f ree of spatter, scale, grease, paint, oily flims, dirt and other extraneous matter that would obscure surface openings or otherwise Interfere with the examination.
Components or parts must have a surface finish which will permit proper interpretation of developed indications. The surface shall be even with no abrupt ridges or valleys.
In general, satisfactory results may be obtained when the surface is in the as-welded, as-rolled, as-cast, or as-formed condition; however, in some cases surface preparation by grinding or machining may be necessary when surface irregularities would otherwise mask the indications of unacceptable discontinuities.
Wire brushing shall be accomplished af ter grinding to ensure removal of all foreign material from the surface.
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 1S-261 of Section XI of the ASME BoIIer and Pressure Vessel Code as developed in the Preservice inspection Program Plan.
6.0 EQUIPMENT REQUIREMENTS 6.1 Examination Contractor's Equipment 6.1.1 The following test equipment or its equivalent shall be provided and/or utilized by the Examination Contractor as required for examinations:
l NUCLEAR ENERGY SERVICES, INC.
1 PROCEDURE NO.
80A0472
SUBJECT:
LlQUID PENETRANT PAGE 6 0F 16
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(1)
Approved cleaning agent such as acetone, Isopropyl jg.
alcohol or penetrant solvent / remover.
(2) Visible dye penetrant or fluorescent penetrant (3)
Remover (4)
Developer (5)
Clean rags or cloths or absorbent paper (6) Mirror (7)
Portable light source (s)
(8)
Camera (9)
Low power magnifying lens (10)
Black light source (if fluorescent penetrant is used)
(11)
Lightmeter (12)
Thermometer with a range greater than or equal to 50 F to 140 F 0
(13)
Timer or watch (14)
Hot air gun 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 di ections to improve the inter-pretation of conditions which may be present.
In addition, the level of illumination shall be adjusted by changing the distance or the intensity so that the best visual contrast is obtained.
O V
NUCLEAR ENERGY SERVICES, INC.
PROCEDURE NO.
80A0472 l
SUBJECT:
LIQUID PENETRANT PAGE 7
0F 16 O
6.2 Plant Owner's Equipment The plant owner or his agent shall provide the following service facilities and equipment as required:
(1)
Scaffolding (2)
Water, air and electricity (110 volts, 50-60 Hz)
(3)
Temporary lighting (4)
Crane or Ilfting devices (5)
Radiation monitoring equipment (6)
Radiation shielding (7)
Anti-contamination clothing (8)
Personnel decontamination facilities O
(9)
Test surface preparation (10)
Post-examination cleanup of test area (11)
Decontamination of the test area where required.
7.0 PRECAUTIONS AND PREREQUISITES 7.1 The penetrant, cleaning agents and developer materials shall be analyzed for sulfur content and total halogens in accordance with ASTM D-129-64, Test for Sulfur in Petroleum Products by the Bomb Method, and ASTM D-808-63, Test for Chlorine in New and Used Petroleum Products (Bomb Method).
The residual amounts of total sulfur or halogens shall not exceed one (1) percent by weight.
The Examination Contractor shall obtain certification of these tests for each penetrant material used, giving batch numbers and test results.
These records shall be maintained in accordance with Section 10.0 of this procedure.
7.2 Fluorescent penetrant examination shall not follow ^
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l a color-contrast penetrant examination.
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l NUCLEAR ENERGY SERVICES, INC.
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PROCEDURE NO.
80A0472
SUBJECT:
LIQUID PENETRANT PAGE 8
0F 16 O
7.3 Intermixing of penetrant materials (penetrant, remover and developer) from dif ferent family groups is not permitted.
7.4 The brand name and type of penetrant to be used is " Spot-Check",
Type SKL/S by Magnaflux Corporation. The material shall be in the form of spray or bulk.
Equivalent material may be used subject to the approval of the examination contractor, plant owner and inspector.
7.5 As a standard technique, the temperature of the surface to be examined shall not be below 60 F nor above 125 F throughout the examination period.
Local heating or cooling is permitted provided temperatures remain in the range of 60-125 F during the examination.
7.6 Highly inflammable cleaner materials and penetrants will be stored in metal containers with protective covers and away from heat or open flames.
7.7 Examinations will not be conducted near open flames, welding
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or burning.
7.8 Smoking within 20 feet of the examination area is not permitted.
7.9 Examinations will be conducted only under conditions allowing sufficient ventilation to prevent explosions or toxic inhalation.
8.0 EXAMINATION PROCEDURE 8.1 Pre-Examination Cleaning 8.1.1 Immediately prior to the examination, all surfaces to be examined and all adjacent areas within one inch shall be cleaned by heavy swabbing with clean cloths or absorbent paper saturated with a cleaning agent.
The excess clean-ing agent shall then be removed using clean, dry cloths or absorbent paper.
l 8.1.2 The surfaces to be examined must be completely dried prior l
to application of the penetrant.
A minimum of five minutes waiting time shall be observed prior to appilcation of the penetrant. The drying may be accomplished by normal evapo-ration or with forced hot air, if necessary.
The solvent l
(O)
NUCLEAR ENERGY SERVICES. INC.
PROCEDURE NO.
80A0472
SUBJECT:
LIQUID PENETRANT PAGE 9
0F 16
(~x 0
acts as a penetrant and must be allowed to evaporate from all discontinuities.
8.2 Penetrant Application and Removal 8.2.1 After the surface has dried, it shall be thoroughly and uniformly coated with penetrant by spraying, dipping or brushing.
The surface shall be kept wetted during the entire application time.
Penetration Time (Dwell)
Penetrant for all Appilcations Type I (water-washable) 20 - 30 minutes jg Type 11 (solvent-removable) 20 - 30 minutes (I)
If the penetrant does not wet the surface but tends to pull away, leaving local Islands of unwet sur-faces or if the penetrant is allowed to become dry r~'
or tacky, the surface shall be reeleaned in accord-ance with Section 8.1 and the procedure shall be repeated.
(2)
If the penetrant is applied by spraying using a compressed air type apparatus, filters shall be placed at the air inlet to preclude contamination of the penetrant from oil, water and/or dirt sedi-ment that may have collected in the lines.
8.2.2 After the penetration time specified in 8.2.1 has elapsed, any penetrant remaining on the surface shall be removed as stipulated below.
Insufficient removal will leave a back-ground which will interfere with subsequent indication of de fec ts.
Care shall be exercised to limit the removal of penetrant from any discontinuity to as little as possible.
(1) With water-washable penetrants, excess penetrant shall be removed with a water spray or a clean cloth saturated with " approved" water. Water pressures over 50 psi or water temperatures over 1100F shall not be employed.
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NUCLEAR ENERGY SERVICES. INC.
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PROCEDURE NO.
80A0472
SUBJECT:
LIQUID PENETRANT PAGE 10 0F 16 (2)
With solvent removable penetrants, excess penetrant i
shall be removed by using clean, dry cloths or absorbent pape r.
The operation should be repeated until most traces of penetrant have been removed. A clean, dry cloth or absorbent paper shall then be moistened with solvent and the surface shall be wiped lightly until all remaining traces of excess penetrant have been removed. Care shall be employed not to use an excess i
of the solvent in order to avoid removing penetrant I
from discontinuities.
Flushing the surface with j
solvent or spraying cleaner directly on the surface following the application of the penetrant and prior to drying is prohibited.
4 8.2 3 Drying Before Application of Developer 8.2.3.1 If the water washable method is employed the surface should be dry before application of the developer.
Drying shall be accomplished by blotting with i
absorbent paper or clean cloths or by circulating
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warm air provided the temperature of the surface is not raised above 125 F.
8.2.3.2 With the solvent-removable method, drying shall be accompIlshed by allowing a minimum of five (5) minutes for normal evaporation.
i 8.3 Developing 8.3.1 General i
i The developer shall be applied immediately af ter the drying operation is complete. There are two types of developer, dry and liquid, either of which may be used with fluorescent pene tran ts.
With color-contrast penetrants, only the liquid developer is permitted.
8.3.2 Ory Developer The dry developer shall be a powder, applied by a sof t brush, 4
a hand powder bulb or powder gun.
Other means more suitable to the size and geometry of the specimen may be used, pro-vided the powder is evenly dusted over the entire surface being examined.
l NUCLEAR ENERGY. SERVICES, INC,
. -.. ~ -.
PROCEDURE NO.
80A0472
SUBJECT:
LIQUID PENETRANT PAGE 11 0F 16 O
8.3 3 Liquid Developer The liquid developer is a suspension of powder in water or a volatile solvent and shall be applied by spraying approximately eight (8) to fourteen (14)
Inches from the test surface.
Insufficient coatings may not be adequate to draw the dye out of the dis-continuities.
Conversely, excessive coatings of developer may result in pooling and may mask Indica-tions.
Prior to applying the liquid developer to the surface, the developer must be thoroughly agit-ated to ensure that the particles in suspension are d ispe rsed. Where a water suspension developer is used, drying time may be decreased by the use of warm air. Developer must be thoroughly dry before in te rpre ta tion.
8.4 Observation of Results 8.4.1 General
(
The true size and type of discontinuity are difficult to appraise if the dye diffuses excessively in the developer. Consequently, it is good practice to observe the surface during the application of the developer in order to detect the nature of certain Indications which might tend to bleed out profusely.
Final interpretation, however, shall be made after allowing the penetrant to bleed out for a minimum of seven (7) minutes to a maximum of thirty (30) minutes.
If the surface is sufficiently large to preclude complete examination within the prescribed time, the surface shall be examined in suitable increments.
8.4.2 Nature of Indications with Color-Contrast Penetrants With color-contrast penetrants, the developer forms a more or less uniform white coating.
Surface dis-continuities are indicated by bleeding out of the penetrant which is normally a deep red color.
Q-U NUCLEAP. ENERGY SERVICES, INC.
1 i
PROCEDURE NO.
80A0472
SUBJECT:
LIQUID PENETRANT PAGE 12 0F 16 O
8.4.3 Nature of Indications with Fluorescent Penetrants With fluorescent penetrants, the Indications are essentially the same as for color-contrast pene-trants, but the examination is conducted in a darkened area using black light.
The light in-tensity of lilumination at the work shall be a min, of 90 foot candles measured with a Weston 703 Type til meter (or equivalent). The black light shall emit ultra-violet radiation of a wave length within the range of 3300 to 3900 angstrom units.
The bulb shall be allowed to warm up for a minimum of five (5) minutes prior to its use in the examination.
8.4.4 Evaluation of Results Evaluation of results shall be in accordance with Section 9.0.
8.5 Post-Examination Cleaning
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Remove developer with cleaners and/or solvents recommended in this procedure, using as many clean cloths or absorbent paper towels as necessary.
9.0 EVALUATION CRITERIA 9.1 Recording of Indications All indications shaII be reported and detailed on the data sheet (Figure 1) and shall contain the following information:
(1)
Date of examination.
(2)
Identification and signature of examiner.
(3)
Identification of item examined.
(4)
Brandnameandspecifictype(numberand/orletter) designation of penetrant, penetrant remover and developer and batch number.
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NUCLEAR ENERGY SERVICES, INC.
PROCEDURE NO.
80A0472
SUBJECT:
LlQUID PENETRANT PAGE 13 0F 16 O
(5)
Cleaning materials used and time allowed for drying for pre-examination cleaning.
(6)
The length of time that the penetrant remains on the surface.
(7)
The length of developing time before evaluation.
(8)
Photographs that may have been used to assist in evaluation.
(9) All indications described with respect to a convenient datum point on the object being examined.
(10) Other information as required.
9.2 Evaluation of Indications 9 2.1 The following indications are not acceptable:
f-(1)
Cracks or other linear indications.
C (2)
Rounded Indications greater than 3/16 Inch in maximum dimension.
(3)
Four or more smaller rounded Indications, if aligned and separated by 1/16" or less, edge to edge.
(4)
(a) 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.
(b)
Indications whose major dimensions are greater than 1/16 inch shall be considered relevant.
NOTE:
Linear indications are those Indications in which the length is more than three times the width.
Rounded indications are indications which are circular to elliptical with length less than three (3) times the width.
NUCLEAR ENERGY SERVICES, INC.
i PROCEDURE NO.
80A0472
SUBJECT:
LlQUID PENETRANT PAGE 14 0F 16 9.2.2 Any indication that is believed to be non-relevant shall be regarded as an unacceptable surface defect and shall be re-examined to verifv whether actual defects are present.
Sur-face conditioning may precede the re-examination.
9.2.3 Bolts and bolting material shall have no linear axial defects greater than one (1) Inch on bolting over one (1) Inch and all linear non-axial defects are unacceptable.
9.2.4 Forging / Safe-ends:
(a)
Only Indications with major dimensions greater than 1/16 inch shall be considered relevant.
(b)
The following relevant Indications are unacceptable:
(1) Any linear indications greater than 1/16 Inch long for materials less than 5/8 inch thick, greater than 1/8 inch long for materials from 5/8 inch thick to under 2 inch thick and 3/16 inch long for
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materials 2 inch thick and greater; (2) Rounded Indications with dimensions greater than 1/8 inch for thicknesses less than 5/8 inch and greater than 3/16 inch for thicknesses 5/8 inch and greater; (3) Four or more Indications in a line separated by 1/16 inch or less edge to edge; (4) Ten or more indications in any six (6) square Inch of area whose major dimension is no more than six (6) inches with the dimensions taken in the most unfavorable locations relative to the Indications being evaluated.
9 2.5 All Indications shall be evaluated in accordance with the requirements of the ASME Boller and Pressure Vessel Code,Section XI and Section Ill.
9.2.6 Results of this evaluation shall be reported to the Plant Owner or his agent in accordance with the requirements of the ASME Boller and Pressure Vessel Code,Section XI, as defined in the Program Plan Book.
O NUCLEAR ENERGY SERVICES. INC.
l PROCEDURE NO.
80A0472
SUBJECT:
LlQUID PENETRANT i
PAGE 15 0F 16 O
10.0 EXAMINATION RECORDS 10.1 Certification of Records Data sheets shall be numbered 472-1, 472-2, 472-3, etc.
completed and signed by the examiner immediately upon completion of each examination.The data sheets may be reviewed g by the authorized Code Inspector.
10.2 Filing of Records 10.2.1 The examiner shall be responsible for submitting to the Plant Owner or his egent a complete set of examination records including certification of personnel qualific-ations with current eye test in accordance with Section 4.2.2.
10.2.2 Permanent records shall be maintained by the owner-operator for the life of the component.
10.3 Procedure Corrections and Additions 10.3.1 All procedure corrections and/or additions required during the preservice and/or repair examination shall be made in accordance with the requirements of NES QA Program Plan # NES 80A0448.
g 10.3 2 The examiner shall contact the LILCO repre-IS sentative on site to initiate all such changes. All changes shall be documented in the record of revisions section of this procedure.
O NUCLEAR ENERGY SERVICES, INC.
PROCEDURE NO.
80A0472
SUBJECT:
LIQUID PENETRANT PAGE 16 0F 16 l
I LIQUID PENETRANT DATA SHEET NO. 472-Area Examined Tempe ra tu re Photograph: None Attached Examiner's Name Level Brand Name Type Batch ha.
Drying / Dwell Time Cleaner:
Penetrant:
Remove r:
l I
Developer:
If no indications, enter "NONE".
Sketches, if necessary,may be made on the reverse side.
Exam Area Description / Re.m rks Accept Reject Examiner's Signature Date REVIEWER Date lg g
g FIGURE I NUCLEAR ENERGY SERVICES, INC.
l
.1 PROCEDURE LIQUID PENETRANT DATA SHEET NO.
REVISION Area / System Examined O
Temperature Photograph:
None Attached Brand Name Type Ba,;ch No.
Drving/ Dwell Time Cleaner:
Penetrant:
Remover:
Developer:
Completely describe ALL Indications. Sketches, if necessary, may be made on the reverse side.
Exam Item Description / Remarks Accept Reject O
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Instructions: If in the "as-welded" condition - so state If no indications were found - so state Examiner's Signature 1
Level Date Reviewed By Level Date O
Reviewed By Level Date
- ensaavsemncesac.
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