ML20134G079
| ML20134G079 | |
| Person / Time | |
|---|---|
| Site: | Harris  |
| Issue date: | 01/28/1985 |
| From: | CAROLINA POWER & LIGHT CO. |
| To: | |
| Shared Package | |
| ML20132C567 | List:
|
| References | |
| FOIA-85-173 WP-141, NUDOCS 8508230016 | |
| Download: ML20134G079 (28) | |
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dileT$Uq [ ' ghb>$ REVIS40NL .%NM te'" . . 17 PAGE 1 OF' 1F i-l m..'. ~ 4 y"- " - f% n -c 1 4 ,, ; 4 T.
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CAROLINA P0tTER & LIGHT COMPANY '. t, g b SHEARON HARRIS NUCLEAR POWER PLANT .
'S UORK PROCEDURE
- 9. SHLEON HARRIS N. .S. P.
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{U*f , e e REVIEWED BY QA/QC FOR COMPLIANCE WITH THE APPLICABLE QA AND COOE *EQuiREMENTS.
- 3)-V y REVIEWED AND APPROVEO BY EBASCO SE RVICES,1NC. , FOR CONFORMANCE TO THE REQUIREMENTS - >
CF PAR AGRAPH CA-3310 OF ARTICLE CA-3100 OF ASWE/ACI 359, SECTIONIII,DIV 2, WINTER _ l 1975 ADDENDA. I l REV. DESCRIPTION APPROVALS DAT4 ORIGINATOR g] hg 4g 0 Issued For Use. CONSTRUCTOR [h[ W j QA/QC REVIEW $ * .[, f([, k/[ hf[ CPSL - ~ ~
- ghh fpy 7./ g DES.ENG. * [gzl 1 Major Rewrite. Added ORIGINATOR M .4[ '/J'7j ,,. /-25 6 Exhibits 1-8 and CONSTRUCTOR QM /[.2[lr QA/QC REVIEW e 4 g) [ [ [ jhg/3 CPSL f_ f}ffh ~
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ORIGINATOR CONSTRUCTOR Q A /QC REVIEW e
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- RBS*2?8?P exe24 p q C' GUILD 85-173 PDR A95~ -
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1.0 5 *: 1 1.1 " t edure provides directions for obtaining and transmitting "As Constructed" pipe information to HPES for the reconciliation of the system stress analysis. 1.2 This procedure is applicable to all seismically analyzed piping systems ! i l as shown on the Ebasco Stress Isometrics. l 1.3 This is an ASME Section III procedure. 1.4 Portions of this procedure are for compliance to IEB 79.14.
2.0 REFERENCES
2.1 NRC Bulletin 79.14 Rev. 2 2.2 WP-110, Installation of Pipe Hangers and Supports for Seismically .e Analyzed Pipe 2.3 WP-102, Installation of Pipe 2.4 WP-142, Training and Qualification of Field Engineering Personnel 2.5 TP-25, Training of Supervisory and Technical Personnel in Implementation of ASME - N-Stamp Program R1 3.0 GENERAL 3.1 Definitions /Abbreviationt- -
~
- 1. As-Built - (AB) -
A FI which has had a!! known design incorporated into it. (ie FCR's, DCN's, PSFM's, ICR's, etc.)
- 2. As-Constructed - A FI which has been r wised or marked up
. (AC) by Field Engineering survey) to reflect the 4:
condition (i.e. dimen5.ons, angles, components) which exist in the field. (This drawing meets the As Constructed Drawing Definition of ASME Section III subsection NA Paragraph 4133.17(e)).
- 3. Discrepancy -
A " Discrepancy"is 4 deviation from design, (As-Built Drawing), other than dimensions shown on Fab iso's. f$
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3.1 so. (FI) - A drawing used by piping craft for pipe installation. This drawing may show only a f-portion of a system or line. It is generated ' from a design drawing.
- 5. Final Hanger -
The turnover of control / authority of Turnover (FHT) hangers in a system over to Start-Up.
- 6. Release For -
A numerically designated portion of a Turnover (R FT) system. An RFT is turned over to start-up when all pipe work within the boundaries of , the RFT is complete, and the permanent supports required for flush and hydro are '. installed. , A
- 7. Ro!!-Up (R U) -
A hanger drawing which has had the W outstanding construction or design documents incorporated into it (i.e. Field "I Mod's, FCR's, and DCN's) - Rl.;\
- 8. Stress Calc. (SC)- Used to describe a piping system between 3 anchor points on the pipe for which the '.' ' . ,4 stress on the pipe is determined )j analytically. '
3.2 Forms Guidelines
- 1. Stress Calculation Freeze Notice As directed by the 79.14 supervisor, a Stress Calculation Freeze Notice (Exhibit 1), shall be issued to HPES (P pe), Pipe and Hanger
, Managers. The Stress Calculation Freeze Ne-ice specifies / directs yg-{Abefollowing: .
~
I .' ' Specifies the Stress Calculation Number.
- 2. Specifies the Fab Iso affected.
- 3. Directs that no work due to FCR's or DCN's shall be performed prior to the change being incorporated on the Fab Iso.
- 4. Directs that no work will be performed prior to the completion of a Pipe Work Authorization form.
NOTE: Remaining hanger work is unaffected by this notice.. 3
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'D "5f[ wn Checklist" 1 m.g N~ alkdown Checklist" (PWC), (Exhibit 2), provides a -
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% , esb walkdown and the pipe attributes checked. y
- 3. -
ger Walkdown Checklist 5 1 The " Hanger Walkdown Checklist" (HWC), (Exhibit 3), provides a record of the walkdown and the hanger attributes checked.
- 4. 79.14 Open Items Tracking List The 79.14 Open Items Tracking 1.ist (79.14 OITL), (Exhibit 4),
provides a means to record discrepancies found during the walkdown and track them to closure.
- -(
Analysis Data Sheet 5. Analysis Data Sheet,(Exhibit 5),is used to record data found
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during the walkdowns (pipe or hangers) that is pertinent to stress _ analysis or which has been requested by HPES. q _
- l. Pipe clearances less than those specified in Paragraph
- M 3.3.2.3 will be recorded on the Analysis Data Sheet. " -
- 6. Stress Calc Index Sheet The Stress Calc Index Sheet, (Exhibit 6), is placed in the walkdown package to inventory the Fab !so's and hanger drawings, and to ,
tabulate accepted installations. 5
- 7. Pipe Work Autho-ization ~i The Pipe Work Authorization (PWA), Exhibit 3, is generated by pipe engineering to provide specific work boundaries to the 79.14 j supervisor which may need to be reprocessed by this procedure.
Work may not proceed until the PWA has been signed by the 79.14 supervisor. 3.3. General Guidelines
. 1. The 79.14 supervisor will obtain the Fab iso rnision # containing the As-Built data from HPES (As Built) and have 4 copies made by Document Control. These copies will be distributed as follows:
- 1. 1 For Pipe Walkdown package
- 2. 1 For Hanger Walkdown package
- 3. 2 For Survey (Field Engineering)
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QJ E' Walkdown shall verify the following: ",
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.. The piping configuration is in accordance with the As-q c~
Constructed Fab Iso.
' 2. The operational envelope is not violated in accordance with the following criteria:.
T) 2000F: along run: 2" + insulation. @ sleeves: 1"
+ insulation T62000F: along run: 1"+ insulation. @ sleeves: 5"
+ insulation
- 3. That the fittings & bends installed are of the same size and type shown on the Rolled-Up Fab. Iso. -
- 4. That the valve identification number is that shown on the d As-Built Fab Iso.
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- 5. That the valve operator is oriented in accordance with the ' 'j Rolled-Up Fab. Iso. I
- 6. That temporary supports have been removed. R1
- 3. The Hanger Walkdown wi!! verify:
- 1. That there are no visible signs of tampering.
- 2. That gravitational supports are taking the load.
- 3. That there are no operational obstructions based on
_"~- postulated pipe movement.
- 4. The Field Engineers will survey each piping s,estem, as directed.
The survey will establish several working poHts on the piping system to verify piping geometry, and verify slope when called for on the F.I. In addition, the survey will locat each of the
.following items on the Fab Iso. relative to tr pipe:
%7.1. Fittings
- 2. Valves
- 3. Inline Equipment
- 4. Penetrations (including floor and wall sleeves)
- 5. Class 1 Butt Telds Measuring guidelines are provided in Appendix A.
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-- 3.3 ' ' n Package is utilized for the 79.14 piping walkdown N ' walkdo' wn. It will generally consist of-
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.. ;TM.As-Built Fab iso (s) within a stress calculation. 'I
- 2. The Hanger Roll-Up drawings within a stress calculation.
- 3. Stress Calculation Index Sheet (s).
- 4. Pipe Walkdown Checklist (s).
- 5. Hanger Walkdown Checklist (s).
- 6. Pipe Work Authorization
- 6. The Analysis Package is utilized for the transmittal of 79.14 walkdown information to HPES. It sha!! consist of (as a minimum):
- 1. The As-Constructed Fab Iso (s) within a stress
- calculation. S-
- 2. Analysis Data Sheet (s) for each Stress Calculation.
- 3. The Stress Calculation Index Sheet (s).
7.
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Field Engineers (surveyors) shall be qualified to and work in 5 accordance with WP-142.
- 8. The 79.14 supervisor shall be on distribution for the Work Package Completion Verification (WPCV) from Pipe R1 Engineering which indicates when initial or re-work to a Fab Iso is complete.
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- 9. Rework to satisfy the system stress analysis shall be in the form of new or revised design; or per the applicab;e HPES procedure where new or revised design is not applicable. In either of the i above cases the 79.14 supervisor shall receivi a memo from HPES (stress) describing the scope of the rework. Se 79.14 supervisor shall notify the appropriate manager of the : work.
- 10. A suspense file shall be established to assure that when a PWA is issued the subject piping is reprocessed in accordance with this procedure upon receipt of a WPCV.
- 11. When a revision is received for a hanger which has previously been processed in accordance with this procedure and the revision affects the hardware the hanger shall be processed in accordance with this procedure.
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, calculation has been accepted and to which revision of the .g
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S Iso it was accepted to. . 4.0 PROCEDURE 4.1 79.14 Walkdown of ASME Piping Responsible Position 79.14 Super"isor Duties:
- 1. Monitors construction to determine when a!! work on the Fab Iso (s) within a stress calculation boundary is complete and these lines have been supported with the minimum number of permanent -
supports required for RFT. E
- 2. .E Issue Stress Calculation Freeze Notice (Exhibit 1) signifying that (,
no additional piping work can be performed without a formal E revision to the Fab Iso,if applicable, and the completion of a $ PWA. i HPES A.B. Supervisor R1
- 3. Complete As-Built of Fab Iro(s) within the Stress Calculation.
79.14 Supervisor 4. Obtain 4 copies of the Fab Iso (s) and distribute per paragraph 3.3.1.
- 5. Walkdown pipe, completing the 79.14 Pipe W3;kdown Checklist (Exhibit 2) for each Fab Iso. within the Stress Calculation.
- 1. If no discrepancies are found, sign appr;priate block of PWC and insert the PWC in the Walkdown Pa kage.
- 2. If discrepancies are found:
- 1. Open an item on the 79.14 OITL.
- 2. Sign appropriate block of PTC.
- 3. Notify Pipe Manager of discrepancies via 79.14 OITL.
3. Record analysis data for HPES (stress) on Pipe Analysis Data Sheet (s) and retain for addition to the Analysis Package. t WP-023/6
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- 6. E discrepancies and resolve by:
- 1. Changing the design by FCR/PW.
- 2. Reworking per applicable procedures and current design
- 3. Providing design document which justifies the open item.
7.. Submit resolutions to 79.14 supervisor ,
- 1. Where design was changed (Reference Paragraph 4.1.s) provide a copy of the document or, where a copy is not i practical, providing the document number.
79.14 Supervisor 1
- 3. Close the open piping discrepancies. ,
- 1. For design changes:
- 1. Have Fab Iso revised to reflect the revised Design /As- -' '
4 Constructed condidon. g
- 2. Reference the reason for closure of the discrepancies '
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in the comments section of the PWC and attach a copy I < of the document to the PWC if available. ,7 I
- 2. For rework: R1 j l
- 1. Walkdown the discrepancy.
, 2. If acceptable, record that rework was acceptable in "d the comments section of the PWC, initial and date.
- 3. If unacceptable, contact the Piping Manager and provide him with necessary details for correction.
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- 9. If the discrepancy item is the final discrepanc:. on the PWC, 4 sign and date the "Walkdown Complete" block 2f the PWC
, insert into the walkdown file.
- 10. 'u discrepancy on the 79.14 OITL.
4.2 Hanger Walkdown and 79.14 Completion 79.14 Supervisor 1
- 1. Monitor completion of hangers within the stress Calculation.
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- 2. When approximately 100% of the supports within a Frozen Stress '
Calculation have been completed, perform the following:
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@4.2. n the supports, completing a Hanger Walkdown
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" 1. If no discrepancies are found, sign the appropriate
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- block of the HWC and insert it in the Walkdown .
Package. '
- 2. If discrepancies are found:
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- 1. Open an item on the 79.14 OITL.
- 2. Sign the appropriate Block of the HWC.
- 3. Notify the Hanger Manager of the discrepancies . . ,
via the 79.14 OITL. 2. Have Field Engineering survey the piping within the Stress [' Calculation boundary recording on the As-Built Fab Iso the
- data required in Paragraph 3.3.4.
Note: F* M Piping survey is to be conducted when 100% of the ! l4j supports are complete. lf this is not possible due to (I scheduling, the 79.14 supervisor may evaluate the system for potential movement and proceed, if in his # judgement that subsequent hanger installations will l 3, not affect the pipe As Constructed location. . 3. Review the Field Engineers " Red Lined" As-Constructed I{ 4 dra wing. 1. If adequate information has been provided sign and date the drawing and place it in the Analysis package. Place one Copy in the Walkdown Package.
?. If additional information is requiad, return the 'l drawing (s) to the Field Engineers ' survey) with instructions. '
4. Review the Analysis Package to assure that it contains the data f necessary for HPES (Stress) to perform its st.ess analysis.
- 5. f Transmit Analysis Package to HPES Project Engineer (Stress) for final stress analysis. f Hanger Manager
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4.2. - the discrepancies identified by the Hanger Walkdown and -j
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y Changing the design by FCR/PW or PHP.
- 2. Reworking per applicable procedures and current desid n.
- 3. Providing design document which justifies the open item.
- 7. Submit resolutior a 79.14 supervisor.
- 1. Where desigi. was changed (Reference Paragraph 4.2.3) provide a copy of the document or, where a copy is not practical, provide the document number.
79.14 Supervisor
- 8. Close the open Hanger discrepancies.
- 1. For design changes:
- 1. Have hanger drawing modified to reflect the Revised iN Design /As-Constructed Condition. '
- 2. Reference the reason for closure of discrepancies in r! :
4, the comments section of the HWC and attach a copy ( of the document to the HWC if available. R1
- 2. For Rework:
- 1. Walkdown the open item.
- 2. If acceptable, record that rework was acceptable in the comments section of the HWC, initial and date.
- 3. If unacceptable, contact the Hanger Manager and provide him with the necessary de: ails for correction.
- 9. If the discrepancy is the final discrepancy on :he HWC, sign &
date the "Walkdown Complete" block of the E VC and insert HWC into the walkdown file.
- 10. .,Close open item on the 79.14 OITL.
4.3 Final Manger Turnover 79.14 Supervisor
- 1. Perform the fo!!owing activities to ready the Hanger System for FHT.
- 1. Generate a master tracking list of Hangers by system and stress 1 calculation.
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w.. WP-141 1 Am"_ 2 .w ,__ CONSTRUCTED PIPE. g *- ' r 11 s 11 -> 1 4.3.Q atus of all hangers within a system to assure that they i a walked down. -
" ' .~ Whin all hangers within a system are complete generate a f- Turnover Package in accordance with Start-Up T/O procedure A P-X-0 4.
5.0 EXHIBITS AND APPENDICES 3.1. Exhibit 1 - Stress Calculation Freeze Notice (Rev. 0-01/85) 5.2. Exhibit 2 - Pipe Walkdown Checklist (Rev. 0-01/85) j 5.3. Exhibit 3 - Hanger Walkdown Checklist (Rev. 0-01/85)
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5.4. Exhibit 4 - 79.14 Open items Tracking List (Rev. 0-01/85) R1 j 5.5 Exhibit 5 - Analysis Data Sheet (Rev. 0-01/85) '
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5.6. Exhibit 6 - Stress Calculation Index Sheet (Rev. 0-01/85) j 5.7. Exhibit 7 - Flow Diagram (Rev. 0-01/85) e i 5.8 Exhibit 3 - Pipe Work Authorization (Rev. 0-01/85) l 5.9. l Appendix A - Measuring Criteria (Rev. 0-01/85) -l l
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FROM: _ /7914 Superiiso r Calc. # _ h , Stre calc. # has been frozen. Fab Iso (s) included in this Stress Calc. Are: Pipe Work Authorization form. And, when applicable, thNo @cfk is t hange has been incorporated into the Fab Iso. (ie no psfrn's). If your have any questions contact the undersigne . ops 51-1,. 3= s 79.14 - 2ertisor Dist: 1 1
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' .: . . MPLETING THE STRES5 CALC. FREEZE NOTICE ._
I 3 m ~ , 79.14 - 1 & 2. Enter Stress Calc. #
- 3. Enter Fab ! sos involved & the boundary on the Fab iso if applicable
- 4. Enter Ext. #
- 5. Enter distribution 7
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- 1. The configuration is per the Rolled-Up Fab Iso.
- 2. The operational dearances around pipe is acceptable.
- 1. Line # b Design temp _
general: insulation thickness
@ insulation type -
(6D @ sleeves Insulation thickness . b. Minimum dearance CD Minimum clearance (7._1 Total A Total (8Y v -
- 2. Line # Design temp i tion type .
general: insulation thickness A ves: Insulat2on thickness., Minimum clearance eV Total inAV Minimum clearyt Total y
- 3. Line # Design K~ insulation type ",
general: Insulation thickness
- w @ sleeves: Insulation thickness Minimum clearance Minimum clearance Total t.
Total 4
- 3. Fittings and bends Installed are per the Rolled-Up Fab Iso. ]
- 4. All temporary supports have been removed. ]
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- 5. Valve operator orientation is per I the Rolled-Up Fab Iso. O .
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No Discrepancies found/ discrepancies close<f Y 1 O / b /
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WD Specialist Date WD Specialist Date Reviewed:
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- 7 P1P1WALKD0WN CHECKLIST
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- 2. Enter Fab ision #.
- 3. Enter Line f.
- 4. Enter design temperature from Piping Line List.
- 5. Enter insulation type from Piping Line List.
- 6. Eater insulation thickness from piping Line List.
- 7. Enter appropriate minimum clearance from para. 3.9.4.
- 8. Add 6 & 7 together for general pipe & sleeves.
- 9. 4.1 Make the comparison required by item 1 thru 6 and check the appropriate block. -j l
- 10. I Enter comments & specifics on rejections and resolutions to those rejections,
- 11. Sign & date the block when the Walkdown is complete & discrepancies are found. ., ,
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- 12. t Sign & date this block when the Walkdown is complete if there are no discrepancies found or ;
when the discrepancies are resolved. 13. 79.14 supervisor reviews form for completeness then signs & dates. l l l l
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STRESS CALC. # HANGER #~ b Rev # 03 ACC. RE3. N/A
- 1. There are no visible signs of tampering. -
- 2. The support is taking a gravitational load. _ i
- 3. There are no operational obstructions. -
4 Postulated movement (s) 3 '_
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- 4. Comment .T AV *
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i Walkdown Complete Walkdown Compete with discrepancies found no discrepancies found/ discrepancies closed b WD. Specialist
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date h / WD. Special.st date Reviewed: b 79.14 Supervisor
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~y,( INSTRUCTIONS FOR COMPLETING .
e 'f -4 "y . THE T- . -- ., 9
.O HANGER WALKDOWN CHECKLIST M
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- 1. . Enters Calc f.
- 2. Enter Hanger f.
- 3. Examine the appropriate attribute & check the appropriate block.
- 4. Enter postulated movements from Hanger drawing.
S. Enter comments and specifics on rejections.
- 6. Sign & date when walkdown is complete & if discrepancies were found. ,
- 7. Sign & date when walkdown is complete and if no discrepancies were found or when the discrepancies are resolved.
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- 8. 79.14 supervisor reviews form for completeness then signs & dates. 3 :@
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CALC # FAB 150# REY.# HANGER # REY.# DATE OPENED DESCRIPTION DATE CLOSED
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INSTRUCTIONS FOR COMPLETING 'W
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2' .. Enter Discipline H = Hanger P = Pipe
- 3. Enter Stress Calc #.
- 4. Enter Fab Iso # and revision J.
- 5. Enter Hanger # and revision #.
- 6. Enter Date Opened.
- 7. Describe the Condition.
- 8. Enter Date Closed. I I*:$
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. The following tructed Drawing (s) are transmittid to you with the following comments to, perform the As-Buut stress reconcil'ation Q
The following comments may affect the stress analysis. b f a *t e 79.14 Supervisor t c e e
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Y INSTRUCTION FOR COMPLETING
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THE ' A $ ANALYSIS DATA SHEET '~i
- 1. Erster Stress Calc #.
- 2. Ente Fab !so. #0s).
- 3. Enter comments or other date pertinent to stress evaluation.
- 4. Sign & date.
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FAB.150./ Rev.# ACC. HANGER # .* REY.# ACC. e O e
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. INSTRUCTIONS FOR COMPLETING THE STRESS CALC INDEX SHFET ,'
- 1. Enter Stress Calef.
- 2. Enter Fab Iso and Hangers on Fab !so's within the Stress Calc Soundary.
- 3. When the Walkdown Checklist is acceptable, check the ACC block.
- 4. When Fab iso and support walkdowns are completed, sign & date bottom of sheet.
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1 I WP-023/2 -
..>.s. ,
- s. . . s-WP-141
'f kev. O Exhibit 7
,g,01/83 PageIofI Discipline Manager (s)
'A', !4]. 4 .g Resolve open items u... .
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, 79.14 Team Walksdown = Prepares T/O = FitT ligrs Documents , . U ' '"' 4 ' IIPES Comp 79.14 TEAM " FUEL m
Roll-up of Walksdown LOAD
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Pipe Fab Pipe - - - .
.. Iso's Per Para. 3.9 FE Surveys llPES Eval. I
/ Pipe per = of A B on - N-3
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para 3.11 Stress (S '
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.., Rework or
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New Work 1 Const. ~ To Support !
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.p Streis Analysis )
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WP-141 ,4
.s. '.*. Exhibit 8
-e. 01/87 19(.:% , ._'
"TJr. .t !
Page 1 of 2 -; PIPE WORK AUTHORIZATION l . p. V: , Piping on Pab Iso is to be reworked due to FCR DCN etc. O ras tso revision (') has been senerated to document this work. O rhe Pas iso is not affected by this rework. ' t< Describe work to be done:
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4 Pipe E gineer Date
-O Work described wili not ffect the As-Built condition. Piace copy of this PWA in wai 7[). down file.
O Work described does affect the As-Built condition. Piace a copy of this PWA in the suspense fiie and reprocess in accordance with WP.141 upon receipt of a Work Package Completion Verification.
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. ';: Page 2 of 2 ' '0 ' '- 3" .
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INSTRUCTIONS FOR COMPLETING
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-yiT}P , '3 y. THE PIPE WORK AUTHORIZATION Pipe Eng ~ I .
- 1. Indicats- Fab Iso #
- 2. Provide the reason for the rework or document authorizing the work.
- 3. Check the appropriate block.
- 4. Indicate the revision which incorporates the design change to be implemented.
- 5. Describe the work to be performed. Be specific include welds to be cut, flanges to be made-up, spools to be installed, etc.
- 6. Sign and date.
79.14 Supervisor !
- 7. Check the appropriate block.
- 8. Sign and date.
9 6 C' b 1 WP-028/2
. 1
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- ~
.i MEASURING GUIDEI.INES Measurements' As-BuJt condition shall be as follows:
- 1. Measurements shall be to be accurate to 1/16". The measuring tolerance shall be 1 4" except clearances at sleeves where it shall be 11 /8".
- 2. Measurements shall be from the center line of fittings, valves, inline components and Class I butt welds; they shall be to the leading and trailing edges of sleeves or penetrations.
- 3. Along straight runs of pipe a work point (elevation) shall be established at a e
minimum of 20' intervals. Sufficient elevations shall be taken to verify slope. !
- 4. i Dimensions to building reference points shall be reference dimensions only.
5. An overall measurement of a run shall be taken and then measurements from component to component along the run. One " component to component" g measurement is not to be made thus preventing the accumulation of tolerances t from affecting the overall dimension. As much as possible confirm the ' existing dimensions on the F1 to reduce drafting time.
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Example: . f_ X _A B '_ C _D 1 E i L tt EQU//* MENT
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RANGE ^ X. k, ',
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- o Sz,((yg / $ Ou k _
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i t ; 6. Bend angles shall be to the nearest degree. ' 7. The 79.14 supervisor is to be contacted, for direction, when the measuring criteria is unclear. N '
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