ML20205Q668

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Rev 0 to Maint & Insp Procedure Mi 3, Procedure for Confirming Full Thread Engagement Via Eye Rod Measurement for Rigid Sway Struts. Related Documentation Encl
ML20205Q668
Person / Time
Site: Comanche Peak  Luminant icon.png
Issue date: 09/26/1980
From:
NPS INDUSTRIES, INC.
To:
Shared Package
ML20205Q559 List:
References
FOIA-85-59 MI-3, NUDOCS 8606020322
Download: ML20205Q668 (4)


Text

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Maintenance & Inspection hg g. 7 os / .

Dated Revision No.

MI No. 0 3 9/26/80 PROCEDURE FOR CONFIRMING FULL THREAD TITLE: ENGAGEMENT VIA EYE ROD MEASUREMENT FOR RIGID SWAY STRUTS ,

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APPROVAL SIGNATURES Original Issue Rev.1 Rev.2 Rev.3 Prepared By: ,

7)2 $O Checked By: M 9[80((6 Approved By: , 7 v i t 60 2 060521 GARDE 85-59 PDR

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l Revision No.

Title:

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O PROCEDURE FOR CONFIRMING FULL THREAD . #3

- ENGAGEMENT VIA EYE ROD MEASUREMENT FOR RIGID SWAY STRUTS Page_ 1 or g I Date: '

9/26/80 ,

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A. Forged Eye Rods: l I

1. Determine sway strut size by measurement of rod diameter or checking size code forged into the eye' rod.
2. Verify design C-C equals or exceeds the minimum value listed in -

l Table 1 or Measure L and determine if it equals or exceeds the  ;

minimum value listed in Table 1.  ;

3A. If C-C or L equals or exceeds minimum value, verify DL and DR do not exceed maximum values listed.

3B. If C-C or L is less than the minimum value, unpin one end of

- strut and verify by unscrewing rod ends that the ends are upset and/or are ibily engaged.

l TABLE 1 l ROD SIZE STRUT SIZE C-C MIN. L MIN. DL MAX. DR MAX.

3/4 06 19-3/8 9-1/2 5 .13/16 6-9/16 1 08 21-1/2 10 6 ,1/2 7-1/2 1-1/4 .10 24-3/4 10-1/2 7-3/4 9 .

1-1/2 12 23-1/4 11 6-5/8 8-1/8 1-3/4 14 -

28-1/4 11-1/2 8-3/4 10-1/2 DL DR

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Revision No.

Title:

0 PROCEDURE FOR CONFIRMING FULL THREAD MIY3 I

, ENGAGEMENT VIA EYE ROD MEASUREMENT FOR ,

RIGID SWAY STRUTS Page l or p [

9/26/80 5 t

. i B. Fabricated Eye Rods: i i

1. Determine sway strut size by measurement of rod diameter. .
2. If strut is Size 20, detemine if it. is long pattern or short i pattern by measuring E.

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3. Verify design C-C equals or exceeds the minimum value listed in Table 2 or measure L and determine if it equals or exceeds the minimum value listed in Table 2.

4A. If C-C or L equals or exceeds minimum value, verify FL and FR do not exceed maximum values listed.

4B. If C-C or L is less than the minimum value, unpir strut and verify by unscrewing rod ends that the en!s are 0eEMTION s

upset and/or are fbily engaged. S 7

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[ TABLE 2 {

ROD SIZE D. D.Dl./s E STRUT SIZE C-C MIN. L MIN. rt mA . rn m.

3/4 -

06 ' 19-5/8 9-i/2 5-7/16 6-3/16 1 - 08 21-1/8 10 5-13/16 6-13/16 1-1/4 - 10 24-1/8 10-1/2 6-15/16 8-3/16 1-3/4 - 14 31 11-1/2 9-5/8 11-3/8 2-1/2 5-3/8 20 (short) 31-1/2 13 8-3/4 11-1/4 2-1/2 8-5/8 20 (long). 38 13 12 14-1/2 3 -

24 41-1/4 14 12-7/8 15-7/8  : I 4-1/2 - 36 54-1/2 17 17-1/4 21-3/4 FL FR

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  • secoucus.newJerseg07094 201863 6550 telex 14-1435 October 23, 1980 HPSI-12-1052 Texas Utilities Services, Inc. Yh.

p P.O. Box 1002 g O- f Cg#p Glen Rose, Texas 76043 9 y Pg Attention: J.T. Merritt, Jr./R.T. Wolantejus 8g

Subject:

Texas Utilities Gen. Co. 64 Comanche Peak Stm. Elec. Sta. , , _ , ,

Units 1 and 2 Purchase Order No. CP0046 A.1

Subject:

(PMI No. 3.1.2) Thread Upsetting on Welded Sway Struts Ref. : NPSI-12-1016, TUX-12,489 Gentlemen:

NPS Industries is-transmitting to TUSI (PMI No. 3.1.2, Rev. 0)

Thread Upsetting on Welded Sway Struts procedure for your use.

If I can be of.any further assistance,. please do not hesitate -

to contact me.

Very truly yours, NPS INDUSTRIES, INC.

MA Herman W. D'Errico Project Manager ,

IrdD :rc: ;

Attachments: (1) 2 pages cc: H.R. Rock, G&H 2L .

D.C. Frankum, B&R 1L J.T. Merritt, TUSI OL, 1L, 1A R.E. Holloway, G&H 1L ,

J. Oliver, NPSI G TUSI 1L 4