ML20238C809

Suppl 1 to Special Rept 87-08:on 870706,tendon V18 & Five Addl Tendons Failed to Meet Surveillance Requirement 4.6.1.6.1.e.1.Initially Reported on 870813.Voids in Excess of 5% of Net Duct Vol Did Not Result in Any Degradation

ML20238C809
Person / Time
Site:	Callaway
Issue date:	08/31/1987
From:	Blosser J UNION ELECTRIC CO.
To:	NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
87-08, 87-8, ULNRC-1587, NUDOCS 8709100391
Download: ML20238C809 (19)

Text

- _ _

UNION

• ~

I Nb August 31, 1987' s

Callaway Plant 1

U. S. Nuclear Regulatory Commission --

Document Control Desk. l Washington, DC 20555 ULNRC-1587 1

Gentlemen: l l

DOCKET NUMBER 50-483 j J

CALLAWAY PLANT UNIT 1 FACILITY OPERATING LICENSE NPF-30 SPECIAL REPORT 87-08 SUPPLEMENT 1 j 3RD YEAR INSERVICE CONTAINMENT VESSEL TENDON SURVEILLANCE FAILURE l

The enclosed Special Report is being transmitted to provide results of the 3rd year tendon surveillance completed 8/17/87. Special Report 87-08, dated 8/13/87, reported failure of tendon V18 to meet Surveillance Requirement 4.6.1.6.1.e.l. Attachments 1 and 2 supplement Special Report 87-08 by summarizing results of tendon V18 and the additional five tendons which failed to meet the surveillance requirement. These results are being submitted pursuant to Technical Specification 3.6.1.6 ACTION b and 6.9.2.

The engineering evaluation contained in this report has determined that voids in excess of 5% of the net duct volume have not resulted in any degradation of the post-tensioning system, thus assuring structural integrity of the containment vessel.

At this time, material tests on stressed tendon wire samples and verification of the chemical properties of the filler material have not been completed. Should any of these results fail to meet Surveillance Requirements 4.6.1.6.1, an additional supplement to Special Report 87-08 will be issued.

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. D. Blosser 8709100391 870831 Manager, Callaway Plant PDR ADOCK 05000483 S .PDR TPS/ PSP:jll Enclosure cc: Distribution attached AM Ji Malling Actiress P,0. Box 620, Fulton, MO 65251

i l

l cc distribution for ULNRC-1587 Mr. Thomas W. Alexion (2 copies) . Manager, Electric Department Office of Nuclear Reactor Regulation Missouri Public Service Commission :j U.S. Nuclear Regulatory Commission P. O. Box 360 i Mail Stop P-316 ' Jefferson City, MO 65102 l 7920 Norfolk Avenue' I Bethesda, MD 20014 Mr. O. Maynard Wolf Creek Nuclear Operating Corp. l American Nuclear Insurers P. O. Box 411 c/o Dottle Sherman, Library Burlington, KS 66839 The Exchange Suite 245 j 270 Farmington Avenue Mr. Merlin Williams ,

Farmington, CT 06032 Supt. of Regulatory Quality & I Administrative Services Records Center Wolf Creek Nuclear Operating Corp.

Institute of Nuclear Power Operations P. O. Box 411 Suite 1500 Burlington, KS 66839 1100 Circle 75 Parkway Atlanta, GA 30339 Mr. A. Bert Davis Regional Administrator U.S. Nuclear Regulatory Commission Region III 799 Roosevelt Road Glen Ellyn, IL 60137 NRC Resident Inspector D. F. Schnell (400)

R. J. Schukai (470)

G. L. Randolph J. F. McLaughlin J. E. Davis (Z40SR)

(Z40SR) (w/c)

D. W. Capone /R. P. Wendling (470)

F. D. Field (480)

A. P. Neuhalfen A. C. Passwater/D. E. Shafer/D. J. Walker (470)

G. A. Hughes Z170.05 (QA Record)

J. M. Price T. H. McFarland M. E. Taylor H. Wuertenbaecher, Jr. (100)

S. L. Auston (470)(NSRB)

S. J. Bellers/J. D. Schnack JDB Chrono 3456-0021.6 3456-0260 Z40ULNRC A160.761 N. Date (Sandra Auston) (470)

a EV ALUATION OF THE THIRD YEAR INSERVICE TENDON SURVEILLANCE FOR THE CALLAWAY NUCLEAR PLANT l The Callaway Plant Technical Specification 4.6.1.6.1 requires the demonstration of containment structual integrity through a surveillance of the containment post-tensioning system at the end of 1 5, 3 5, and 5.5 years following the initial structural integrity test, and every 5 years after. During the l surveillance of the system af ter 3 5 years, which began July 6,1987, it was discovered that the net refill volume of the sheathing filler material exceedad 5%

l of the net duct volume for surveillance tendons V18, SAC,11CB, 14BA, 18BA, and l l 35BA (see Attachment 1, Tendon Greasing Summary). This void condition failed to meet Tech. Spec. 4.6.1.6.1(e) which requires verification of operability of the sheathing filler material by assuring "(1) No voids in excess of 5% of the net

-l duct volume". Due to the fact that a void greater than 5% was discovered after filling, action statement 3 6.1.6.B was immediately satisfied. The NRC Staff concurred with this position in a meeting on the same subject for the first year ,

surveillance on. July 19, 1985. '

The Callaway containment building is a post-tensioned, reinforced concrete structure comprised of a vertical cylinder with a hemispherical dome roof and is supported by a reinforced concrete slab. A continuous access gallery is provided beneath the foundation slab for inspection of the vertical tendons. Three concrete buttresses are provided for anchorage of the horizontal tendons.

Anchorages are designed such that tendons can be detensioned, inspected and retensioned readily during the life of the plant. The vertical cylinder wall is ,

I provided with a system of vertical and horizontal (hoop) tendons. Vertical tendons are continuous to form inverted U's that extend over the dome. The configuration of the tendons in the dome is based on a three-way system consisting )

of two groups of vertical tendons oriented at 90 degrees with respect to each i l other and a horizontal (hoop) group extending from the spring line to l I approximately 45 degrees from the horizontal. Hoop tendons in both the wall and  !

the dome are placed in a 240 degree system in which three tendons form two l complete rings using three buttresses for anchoring the tendons. Each tendon is comprised of 170 - 1/4"O wires, terminating at each end with a cold formed i buttonhead at the anchorage fixture.

The essential criterion for the operability of the sheathing filler material is to prevent corrosion of both the tendon wires and the anchorage components.

The material used in the Callaway Plant post-tensioning system, Visconorust 2090P-4, accomplishes this by a characteristic which gives the filler material an affinity to adhere to steel surfaces, its ability to emulsify any moisture in the system which nullifies its rusting tendency, and by its resistance to moisture, mild acids, and alkalis. In addition, protection is afforded by each tendon wire being individually pre-coated with a grease, Amber 1601, prior to installation. l Results from the first year tendon surveillance revealed voids in excess of 5%

for all tendons surveyed, without a loss of integrity to the system. From lab l tests on the removed wires and grease, and from visual inspection of the tendon components, the filler material is performing its intended function of prohibiting corrosion of the tendon.

l l The void in the tendon sheathing, as indicated by the refill volumes, which I ranged from 6.2% to 12.4% of the net duct volume, may be attributed to a number of I f actors :

1 1

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1) Visconorust: 2090P-4 has a coefficient of expansion which yields an 1i expansion of about 1% per every 20 F. Initial filling temperatures of the filler material averaged 160 F. Cold weather conditions can cool'the filler material to 40 - F, giving a contraction of 6% of the net duct

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volume. During the third year inservice surveillance of the tendons, the l temperature of insitu filler material averaged 90 F, giving a contraction 'j of 3 to 4% from initial fill. l l

2) Characteristics of the initial filling method may induce air entrapment into the filler material. Pumping operations can introduce air into 'l filler material and may add up to as much as 2% of the net duct volume. 1 The tendons at Callaway Plant were initially greased between April and October,1981 by Inryco using current industry standard filling l procedures.

3) During the initial filling operations, the tendon bundle was cold (ambient temperature of 65 F) and as the heated filler material (exit temperature of 140 F) was pumped into the sheathing void, it solidified on the surface of the tendon bundle, leaving small voids between the wires. As ,

the filler material gradually heated the tendon bundl'e, it is likely that the voids between the wires allowed migration of the filler material into the tendon bundle. Because this process is slow and gradual, it is l reasonable to expect that it took place substantially after the filling )

operation was complete and possibly during the surveillance refill 1 operation. In addition, this type of migration could also occur at other l

areas such as where tendons are in contact with the sheathing. j l

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In addition, visual inspection of the exterior concrete of the containment

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building af ter the initial greasing and during the surveillance revealed no signs I of grease seepage from the tendon duct. Therefore, refill volumes in excess of the lost grease during the surveillance indicate that the void existed within the j l tendon duct boundary. In summary, even under optimum filling conditions, voids I ranging from 12-15% could be expected af ter the initial filling operation.

l I The Callaway Plant tendons requiring net refill volumes of the filler material I in excess of the 5% criteria have not shown any abnormal deterioration or l degradation of strength. The lift-off forces for those tendons have been found to j l fall within (or above) the predicted limits (see attachment 2, Preliminary Lift-l l Off Force Data Sheets). Laboratory examination of the filler material has not l been performed as of this date but the grease has shown no signs of discoloration l or water present in the grease. Visual inspection of the .different components of l the anchorage system revealed proper coverage by the filler material with no signs l of corrosion or presence of water.

l l As indicated by the above, the function of the filler material in protecting l

the post-tensioning system is being maintained. As long as sufficient filler l material has been introduced into the system to completely coat the wires and I anchorage system, corrosion protection is assured. Voids , such as those l experienced at the Callaway Plant, can be expected due to the characteristics of I the filler material and initial filling operations as noted above. Since each wire is individually pre-coated with Amber 1601, the degree of filling interstitial spaces, which comprise the net duct volume, is not directly related I to the degree of coating which occurs, and therefore, is not a major indicator of the operability of the post-tensioning system. Based on the lift-off results, visual inspection and results from the first year surveillance, we have concluded that the structural integrity of the tendon and anchorage system has not been l g adversely affected by the measured voids.

Since compliance with all remaining surveillance requirements for Tech. Spec.

4.6.1.6.1 was demonstrated, it is concluded that " voids in excess of 5% of the net

duct volume" have not resulted in any-degradation of the post-tensioning system,

' assuring the structural integrity of the containment structure.

In addition, future scheduled surveillance of the post-tensioning system and full pressure integrated leak rate tests will monitor the structural parameters of the containment to detect any potential abnormal degradation, assure continued operability of the system, and verify containment structural integrity on a continuing basis.

l As the lab tests for the 3rd year surveillance are still underway, this report l has been filed to meet the 15 day action statement as specified in Tech. Spec.

l 3.6.1.6.B. A supplemental report will be filed, should the laboratory tests on l the tendon grease and wire reveal abnormal results. I I

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CALLAWAY UNIT 1 REV. 1 ATTACliMENT 2

' ' ' 1 YEAR TENDON SURVEILLANCE ,

TENDON DATA FORM PAGE,1 0F 12 I. Identification: . Tendon No. 5 A c Tendon.End M '

B)

Jack No. _/M-/2.-Y Bearing Plate I.D. No. j7bbf Gage No. /rJEA-/2-e4 A Anchor Head I.D. No. ' T A - /l' D 2.,

Adaptor No. Z. Buttress (If Applicable) C II., Lift-Off: <- .

Number of Effective Wires 17 0 Max. Calculated Jacking Pressure ( 8fu) '72/O psig Exterior Concrete Temperature Near

, Tendon Anchorage Elongation (Thickness of Shim Stack)

, 30 *F VSL*5

/3 %/ Inches

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- Ram Extension ^

2/4/ ' Inches

' Check Gages for Zero Pressure and '

>. Obtain Lift-Off: 1

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[,/f90 Pressure

_ psig Average Lift-Off Force Average Lift-Off Stress L95<-

M,.:!. 3.

kips ksi g,y /f[J/fs,i PUE AlC/l l g ,, g y / A g-g Recorded By: 5s y . -

Date: [/O//f7 III. tensioning: ..

Max.* Pressure to ?acilitate Shim Removal ( .8fu}

- 9819 Reraove Shlus and Record Number and Sizes Reduce Presture to an Equivalent Force of 3 kips / wire and Record:

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Pressure psig Elongation Inches Ram Extension Inches Reduce Pressuge to Zero, Remove Jack and Record Number of Broken Wires Inspection Wire - Pulled or Cut at This End (Circle One)

Locate Inspection Wire and Any Broken' Wires on Anchorage Inspection For..

Recorded By:

A  ! Date:

IV. Retensioning:

Number of Effective Wires i 04 b l

Max. Calculated Jacking Pressu 8-u} #

PS19 Exterior Concrete Temperature Nea.

Tendon Anchorage 'F

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.I. Identification: Tendon No. _[ M Tendon End (A/B)

Jack No. /Cro-/N Bearing Plate I.D. No. _ ./ /e// ~K3 l Gage No. feco-/ *J-.4d Anchor' Bead I.D. No. __ w .3 Adaptor No. 2- Buttress (If Applicable)

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II.. Lift-Off: .

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Number of Effective Wires

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Max. Calculated Jacking Pressure (.8fu) ,

__ /.2/c psig

.'. Exterior Concrete Temperature Near .-

..' Tendon Anchorage Ya /- N 'm- 9d *F

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. i Elongation (Thickness f Shim Stack) /5'/z - Inches Ram Extension .2 9d Inches aggy/tt,b, McVo Check Gages for oero Pressure and .

g.a ,, ggyo Obtain Lift-Off: 1 2

• 3 Avg.

g, ggg . Pressure S W o .S Teo .$ P 70 5 1 76 psig Average Lift-Off Force /C.M

-/M d/ * 'g Average Lift-Off Stress /54 kips ksi g j g' g ,gu -

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<. / Recorded B*: m , N E /

f , , _ Date: o 99

.f( A-/lJ Detensioning:

III.

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Max.' Pressure to Facilitated Shim Removal ( . 8 fu) psig Remove Shims and Record Nuq.ber and Sires .

Reduce Pressure to an Equivalent Force of 3 kips / wire and Record: ,

1 Pressure psig Elongation Inches Ram Extension Inches Reduce Pressure to Zero, Remove Jack and Record Number of Broken Wires  !

Inspection Wire - Pulled or Locate Inspection Wire and Any Broken Wires on Anchorage Cut at.This End (Circle One)

Inspection Form ,

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, Recorded By: ~' Date:

IV. Retensioning:

9 Humber of Effective Wires Max. Calculated Jacking Pressure f. 8 fu) PSI 9 Exterior Concrete Temperatt re Near Tendon Anchorage _

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. YEAR TEUDON SURVEILLANCE '

ATTACHMENT 2

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• TENDON DATA FORM PAGE 3 0F.12

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.I.'.. Identification: Tendon No. // d8 Tendon End __8 (A/B)

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' Jack No. Bearing Plate I.D. No. .[A/cO.s~

Gage No. /<> c d - d - S T Anchor Head I.D. No. r 97 Adaptor No. r5 Buttress (If Applicable) 9

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. II. Lift-Off: . .

Number of Efte d v&Nirt2*~~ ~

/70 Max. Calculated Jacking Pressure T.Efu) 7.200 psig Exterior Concrete Temocrature Near

'" . Tendon Anchorage ~ V.5L

• 7 ir 96 *F d -

Elongation (Thickness of Shim Stack) / r '/s Inches

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Ram Extension - y dd -

..2** Inches N4( 4& /E'^ Check Gages for Zero Pressure and " ' ' ~

M,M S73o A'W . Obtain Lift-Off: 1 2 3 Avg.

l fo% H;u 3/LO N G- Pressure .54R8 39?o S* W n .5"*W3 3 psig sq4 P5" f5*/gjl[d#'1ferageLift-OffForce /Q49 , kips ggg g e ,04o H4 dverage Lift-Off Stress /.57, . ksi Recorded B' : , ~~-~d_1

, o /_ Date: 3/!f"7

Detensioning:

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Max. Pressure to Facilitate Shim Removal ( .8ful D559 Remove Shims and Record N amber and Sires Reduce Pressure to an Equ ivalent Force of 3 kips / wire and. Record:

. . Pressure psig

. Elongation Inches '

'. Ram Extension Inches '

Reduce Pressure to Zero, Remove Jack and Record Number of l Broken Wires -

Inspection Wire - Pulled or Cut at This End (Circle One)

Locate Inspection Wire and Any Broken Wires on Anchorage j Inspection Form j l

Recorded By: _ Da te :- -

Rotensioning:

IV.

j Number of Effective Wires /

Max. Calculated Jacking Pressure (.8fu} PS19 Exterior Concrete Temperature Near i Tendon Anchorage . *F l

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, YEAR TENDON SURVEILLANCE- ATTACmiENT 2, TENDON DATA FORM PACE 4 0F J 2

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.I. Identification:, Tendon No. //C8_ Tendon'End d

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Jack No. /4Ma- /O-M ' Bearing Plate I.D. No.

Gage No. food- c2- 4# _ / A).3 /

A3aptor Uc.

Anchor Head I.D. No. f;4y M 4M

-:r o Buttress (If Applicable) ci II. Lift-Off: '. '

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Number of Effective Wires

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.. /~10 Max. Calculated Jacking Pressure (.8fu)

- 7.-1/ o psig

' Exterior Concrete Temperature Near .

Tendon Anchorage V- M > W '7 ~

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." Elongation (Thickness of Shim Stack) '

_ /Y V2 Inches M#'f 4.Spo /26# Ram Extension Check Gages for ero Pressure and

.' .9 N Inches NN #.M #

Obtain Lift-Off: 1 . 2 3 Avg.

90 7o T/M "'Q gsi Pressure &5'n~ do5n d.och'1 [cd'7 psig pgx K', : J* 7 ' .' Average Lift-Off Force /3de - kips H;o 16 5$' # b' Average Lift-Off S ess / 6 /,2 ksi b' ' '

Recorded pj '/ ..

/ Date: 8/ 7'/

III. Detensioning: 4)/f .

.'.l Max.~ Pressure to Facilitate Shim Removal ( .8fu) psig Remove Shims and Record Number i and Si::es Reduce Pressure to an Equivalent Force of 3 kips / wire and Record:

' Pressure psig Elongation Inches _

Ram Extension Inches Reduce Pressure to Zero, Remove Jack and Record Number of Broke'n Wi'res ,

Inspection Wire - Pulled or C6t at This End (Circle One)

Locate Inspection Wire and Any Broken Wires on Anchorage Inspection Form Recorded By: -

Date: - -

IV. Retensioning:

Number of Effective Wires l

Max. Calculated Jacking Pressure (.8fu) psig Exterior Concrete Temperature Near Tendon Anchorage *F

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YEAR TENDON SURVEILLANCE TENDON DATA FORM ATTACICIENT 2 PAGE 5 0F.12

.I. Identification: Tendon'No. N O M Tendon End _ 8

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Jack No. 1050.1 Z. - 6 Bearing Plate I.D. No. _ L 3 7 (4 '

Gage No. .

.. Adaptor No. Joco-o 6 -4 Anchor Head I.D. No. _5J w4 Buttress (If Applicable). A q II. Lift-Off- '- ' .- l

l Wumber of Effective Wires '

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' Max. Calculated Jacking Pressure (.8fu) ~ 7.Q a.o psig l

Exterior Concrete Te:tperature Near ,

',, Tendon Anchorage V4h*1 .

Elongation (Thickness- of Shim Stack) ' t .1 20 F

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Ram Extension / 5 74 Inches i.

. Check Gages for dd / M;. ' . Inches 1

I ero Pressure and , ,

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Obtain Lift-Off: 1 -2 '3' Avg.

Pressure 4o go /43 dom dafo Average Lift-Off Force psig

/3s kips t. 2 c o rf,+x PM- 45V 4 :/W N Jvera eme..ozo yusz.g3 Lif t-Off -S ress /41 'ksi Sco NN d# 'M-[95 **

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III. Detensioning: ,

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Reduce Pressure to an Equivalent Force of 3 kips / wire and. Record:

Pressure -

psig Elongation Inches Ram Extension Inches Reduce Pressure to Zero, Remove Jack and Record Number of Broken Wires l

i Inspection Locate Wire -Wire.and Inspection Pulled oc Cut at This End (Circle One)

Inspection Form Any Broken Wires on Anchorage Recorded By:

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• IV. Retensioning:

Number of Effective Wires Max. Calculated Jacking Pr 2ssure ('.8fu}

Exterior Concrete Temperat are Near psi 9 Tendon Anchorage

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.I. Identification: Tendon No. /Y N Tendon End (A/B)

Jack No. /go4 /2 // _ Bearing Plate I.D. No. ] k ' 9 / , g ;c /_ o l Gage No. /o/W/1 44 Anchor Head 1.D. No.  ! C P /n

. Adaptor No. -+.1 ,_

Buttress (If Applicable) /r/

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Number of Effective Wires /70 l

Max. Calculated Jacking Pressure (.8fu) 7.2 / c psig Exterior Concrete Temperature Near Tendon Anchorage V 5 J =* ~7  ;' W 8 *F .

. . Elongation (Thickness of Shim Stack) .

/f Inches Ram JL "/ ra, Inches CheckExtension Gages fof Zero dd Pressure and .- .

Obtain Lift-Off: 1 '2 3 Avg. -

Pressure feo IVdo M 20 4.u'.2r> psig Average Lift-Off Force /4.27 kips Ng # Wero # /md: / IW'93 ' /5'7 ## ~ 1

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. Average Lift-Off Stress /7/ ksi -

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y* CALLAWAY UNIT 1

• REV. 1 YEAR TENDON SURVEILLANCE ATTACIEF.NT 2

. TENDON DATA FORM PAGE 7 0F 12

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Identification: Tendon No. [ 7 84 Tendon End _ M _ (A/B Jack No. !O00- l L- F Gage No. Bearing Plate I.D. No. L. J 14 0 J oo o- 12 -s4 Anchor Head I.D. No.

Adaptor No, 5 Buttress (If Applicable) _5d p M6

. ._II . .Lif t--Off: '

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Max. Calculated Jacking Pressure (.8fu)

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I Exterior Concrete Temperature Near , 'M o o ~ psig  ;

Tendon Anchorage .

gg# - 22 *F

• . Elongation (Thickness of Shim Stack)

Ram Extension / 5 7/c ~ Inches

-Check Gages fo Zero Pressure and

.W Inches

• Obtain Lift-Off:

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3 d gg/g Pressure 6090 Avo.

Average Lift-Off Force foOGO (o0$O _8gr3 Avera /65AA kips w (,lpi/% psig di 3

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&g/c.e.ge 6%s6 Lifat-Off o.2.c Stress / M i ksi /hw SStro: #3 Recorded By: hW Date: -(O - 27 *

- III. Detensioning: Mj Max.' Pressure to Facilit.te Shim Removal Remove Shims and Record Number and Sizes

( .8ful - psi 9 .!

Reduce Pressure to an Eq

.livalent Force of 3 kips / wire and Record:

Pressure _

psig Elongation Ram Extension Inches Inches.

Reduce Pressure to Zero, Broken Wires Remove Jack and Reccrd Number of Inspection Wire - Pulle or Cut at.Th'is End (Circle One) /

Locate Inspection Inspection Form Wire a'nd

' Any Broken Wires on Anchorage e

Recorded By: ~

Date:

IV. Retensioning: .

Number of Ef ~ective Wires Max. Calculated Jacking l Pressure ('. 8 f )

Exterior Concrete Temperature Near u psig

~. Tendon Anchorage -

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" YEAR TENDON' SURVEILLANCE

', , .- . TENDON DATA FORM ME 8 0F J 2 -

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.I. Identification: Tendon No. /TOM Tendon End (A/B)

Jack No. /yM_/4- M Bearing Plate I.D. No. .I.g //7 ,

Gage No. /M-/2 UW Anchor Read I.D. No. 7 X . f/ p-p t h p j' j b ~'

Adaptor'No. w 42./ Buttress (If. Applicable) a II .,. Lift-Off: ,

o.

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Number of Effective Wires 77M ,

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,'- Max. Calculated Ja:: king Pressure (.8fu) ~L7 /O psig i Exterior Concrete Temperature Near .-

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. Tendon Anchorage W" 84L. *F

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. Elongation (Thickness _ f Shim Stack) /5'%6 Inches Ram Extension dO /%/ Inches Check Gages for Ze.o Pressure and .

, Obtain Lift-Off:

Pressure 1 2 d,3 4 63.?o MQo /3 ?a 3 Avg.

psig g

everage Lift-Off Force A/08 kips u fpn p eo p.5/e..a n e/fn /M'* .

Average Lift-Off ress m 'F ksi W;u. .:rseo 4,/wW, /W #/

.. ,Cjsf,e Gnce .oto 90 % d a.M ^* 6&& so Recorded B s'- $, h*,:[/a Date: 2//c/K9 Detensioning:

III. , l.)

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Max.' Pressure to Facilitate Shim Removal ( .

8fu) psig  ;

Remove Shims and Record Nujber and Sires Reduce Pressuze to an Equivalent Force of 3 kips / wire and Record: 'l Pressure psig Elongation Inches Ram Extension Inches Reduce Pressure to Zero,'R emove Jack and Record Number of Broken Wires

. -Inspection Wire - Pulled o!r Cut at.This End (Circle One) i Locate Inspection Wire and Any Broken Wires on Anchorage i Inspection Form Record ~ed By: Date: ~~

~

IV. Retensioning:

Number of Effective Wires -

Hax. Calculated Jacking P(essure (*.8fu) psig Exterior Concrete Temperaf.ure Near Tendon Anchorage ~

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SP-170W

,# CALLAWAY UNIT 1

• REV. 1 YEAR TENDON SURVEILLANCE TENDON DATA FORM ATTAC1DiENT 2 PAGE 9 0F 12

.. Z. .

Identification: Tendon No. -

l

(

Jack No. [ k Tendon End __ (A/B)

/46)- /2 V Gage No. Bearing Plate I.D. No.

.. Adaptor No. _ r2/cen-/2-Jg Anchor Head I.D. No. M//d Buttress (If Applicable) fc S2f' II. .- Lif t-Off: _ N i

. . 1

.- ,- Number of Effective Wires

_ / ~7o Max. Calculated Jacking Pressure (.8f u )

~

.-- Exterior Concrete Temperature Near Tendon Anchorage 7.2/0 [psig IA:iL :: 7 '

4- _ f3 , .

Elongation Ram Extension (Thickness of Shim Stack) *F $

i Check Gages for g M f u '/t ~ Inches

_ 9 79 T_ Inches N Obtain Lift-Off:oero Pressure 1 and 2 Pressure 3 Avg.

Average Lift-Off Force /c,3 7o 4,J'!-0 d250 ~

Average Li _/M Q kips M. m pies- 424o psig ,,

fec/ca Gcc .f t-Off 030' Stress gd2 Y M -c act , 1 Recordad By,/) Aksi tr N M o a J /r/'C'

/47#5h  ;

4-- I'w-~ h m _ ) V k; ? * ' ", m '#N

.r o /'s M" III. Detensioning:

__ Date: Y[7/77 l

'1 Max.'

RemovePressure Shims andto Facilitate Shimand Removal ( _ d f5'o osig Record Number -

Sires 2 3.8fu)

Reduce

.<.Jo .3A;u , Pressure vama ce.r to an Equivalent Force of 3 .S. kie' h/ ., 8 u/ **

73 7e co,ed. -

ps/,rire and Record:

Pressure Elongation J .2 2 @ psig O '/a Inches Ram Extension _ 5 /'/,/

~ Inches..

Reduce Pressure Broken Wires _ /L/0/vL to Zero, Remove Jack and R ecord Number of Inspection Wire Locate Inspection For_m Inspection [inre and Any Broken (Circle one) WiresPulh on Anchorage Recorded By Mi IV. Retensioning:

,Date: v 7/g1 D

Number of Effective Wires Max. Calculated Jacking Pressure

_ /[8

. . Exterior Concrete Temperature-Near('.8fu l 7 ' C' d psi 9 Tendon Anchorage - ~~ .

[; '

_ I/

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' ,* . SP-170W CALLAWAY UNIT 1 REV. 1

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- . 3 ycAR TENDON suRvEIntANCg ATTACIDIENT 2.

. TENDON DATA FORM PAGE 10 OF 12

. 1

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.I. Identification:. Tendon No. 3 6 O b Tendon End 'b (A/B)

. Jack No. /B&L / 2-I jer v -/ 2-Je/

Bearing Plate I.D. No. _ L )A 2.3 . .

Gage No. Ancher Head I.D. No. _7 H 4 o  ;

Adaptor No. # Buttress (If Applicable). 43 -

l II. Lift-Off: .

~

Eumber of Effective Wires .

17 O -- -

-Max. Calculated Jacking Pressure (.8fu) 7c2 0 0. psig Exterior Concrete Temperature Near .

.- ~

.. Tendon Anchorage -

'v5M/ 76# 'F e Elongation (Thickness of Shim Stack) _ N 3/V Inches

--., Ram Extension 1 Inches Check Gages for ero Pressure and Obtain Lift-Off: 2 --

'3 A .

_6 /0 $$0 5400 Pressure ZC ' psig Average Lift-Off Force /3/Y kips -

Average Lift-Off Stress / 5' 9 ksi - .

bD

~

Recorded By: Date:

~

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III. Detensioning: '

I Max.'.' Pressure to Facilitate Shim Removal C esig Remove Shims and Record Number and Sires (M,3. 8 fu) 1, MI, Me 3,1 Reduce Pressure to an Equivalentfej{.ce of 3 ' kips / sire and ' Record :

AJO kIH A.)vm2E85

~

_/ b gDM Pretuure Elongation c7 0.7d psig t Inches Ram Extension 5M Inches '

Reduce Pressure to Zero; Remove Jack and Record Number of Broken Wires O O t> t.

Inspection Wire - Pulled or C'ut at*This End (Circle One)

~

Locate Inspection Wire and Any Bro' ken Wires on Anchorage Inspection Form /

' ~

p " O-9.97 t Recorded By: /

Date: 0 U- /

1 Retensioning:

t IV.

Uumber of Effective Wires .

/O Max. Calculated Jacking Pressure (.8ful

^

~7/00 psi 9 i \., Exterior Concrete Temperature Near %5L4'

\g _ Tendon Anchorage _

bDo *F -

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• lCALLAWAY UNIT 1 . REV. 1

.3 YEAR TENDON SURVEILLANCE Attachment i TENDON DATA FORM Page 11 of 12 l

I. Identification: Tendon No. Y / I Tendon End [t- B)

~

Jack No. /dz^.o- /_2 7 Bearing Plate I.D. No. /d f.3 Gcge No. /cro - f _2--fd' Anchor Head 1.D. No. -7 a4C / 3 Adaptor No. -a _ Buttress (If Applicable) O /,c. j i

II. Lift-Of#-

u.4 umber of Effcetive Wires /'"7 c

~~ - ' ' ' _ . ' . , . ,.Max

. Calculated Jacking Pressure (.8f u) T od psig

'1* C[%

• ~~YEx erior Concrete Temperature Near M<' Tendon Anchorage V5 '- 7= ? @7 *F 7N4/91ongation (Thickness of Shim Stack) / T"/no Inches j Ram Extension d C.6 ~7 '/ 9 Inches l Check Gages for Zero Pressure and l Obtain Lift-Off: 1 2 3 Avg. j Pressure fd9d _ ds'do d< #.o ddG psig i Average Lift-Off Force / q ud-. kips fy)j);( = / 7f p.s ',

Average  ; ~7:L7 ksi fn y . /.5~ 2. f /u v, g , g g/ ,,, l

,o;).o' /. ee. Lift-Off hut. 9- Stress g

] l.3-6 ) 5 * .

RecordedBy:f _f d. *  % f. Date: /Co/N 3 III. Detensioning:

Y si Max. Pressure to Facilit e Shim Removal ( .

8fu) psig Remove Shims and Record Number and Si::es I

l Reduce Pressure to an Equivalent Force of 3 kips / wire and Record:

Pressure psig Elongation Inches Ram Extension Inches l

Reduce Pressure to Zero, Remove Jack and Record Number of 1 Broken Wires Inspection Wire - Pulled or C'ut at This End (Circle One)  ;

Locate Inspection Wire and Any Broken Wires on Anchorage l Inspection Form Recorded By: Date:

( IV.- Retensioning: -

l _

Number df Effective Wires ,

Max. Calculated Jacking Pressure (.8f u) psig Exterior Concrete Temperature Near

. Tendon Anchorage *F a

,  ; / -

4"

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• • .REV. 1 CALLAWAY UNIT 1 A YEAR TENDON SURVEILLANCE Attachment

. TENDON DATA FORM Page 12 of 12 7

Identification:, Tendon No. [ / N Tendon'End 8 I.

(A/h

. Jack No. / Odd _/S-5 Bearing Plate I.D. No, k I/ /[ q' Gage No. Anchor Head I.D. No. TD 222_

Adaptor No.jg, f2._, rO_ <'f1 Buttress (If Applicable) 4; /4

,II. Lift-Off:

f ,

Number of Effective Wires M /E N y4/.n, fp Max. Calculated Jacking Pressure (.8f u) - 7e / c psig' g Exterior Concrete Temperature Near i

- Tendon Anchorage V54s=f 93 *F .-

[ Elongation (Thickness of Shim Stack) slo 99 ' Inches  ;

Ram Extension d / 3/s Inches l y Check Gages for Zero Pressure and .,

j

[; Obtain Lift-Off: 1 2 3 Avg. F l Pressure /I3o 2.552/ Li'dd 45~do '~ psig

[ ra5% kips g , = j yc jo i ,

Average Lift-Off Force

/ ~74. 5 ksi fn ,a . , J s-7 .f jo . g 'gg Average Lift-Off Stress

, o go - fe eu' avl _ Gr ' G , , 1/%6 / d *? .

[mj Recorded Byf4- /01/9'7

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Date:

s*

A.)jh' III. Detensioning:

~

Il Max. Pressure to Facilitat)e Shim Removal ( .8fu) psig

- Remove Shims and Record Nu'mber and Sizes

!_> Reduce Pressure to an Equi l valent Force of 3 kips / wire and Record:

Pressure psig

-l Elongation Inches Ram Extension Inches gi Reduce Pressure to Zero, Remove Jack and Record Number of i

Broken Wires I 1; '

il Inspection Wire - Pulled or Cut at This End (Circle One) ii Locate Inspection Wire and Any Broken Wires on Anchorage

(!

I Inspection Form  !

l

( Recorded By: -

Date: - -

IV. ~

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Retensioning:

B f~

h Number of Effective Wires 1l Max. Calculated Jacking Pressure (.8fu)

Exterior Concrete Temperature Near psig I, Tendon Anchorage *F

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