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Containment Structural Post-Tensioning Sys Surveillance Test Rept
	ML19319D974
Person / Time
Site:	Rancho Seco
Issue date:	01/31/1978
From:	; SACRAMENTO MUNICIPAL UTILITY DISTRICT
To:	;
References
	NUDOCS 8003270671
	Download: ML19319D974 (99)
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G nuclear generating station RANCHO SECO 4 UNIT ONE UNITED STATES NUCLEAR REGULATORY COMMISSION DOCKET NUMBER 50-317 OPERATING LICENSE DPR-54 ( m Con ~alnrnerv s ruc ura cos ensioning sys em survei ance es recor-JANUARY 1978 l Third Year Report 3.,,2 ??6 YF41/Y /-/2 75 gSMUD SACRAMENTO MUNICIPAL UTILITY DISTRICT l.

CONTAINMENT STRUCTURAL POST-TENSIONING SYSTEM SURVEILLANCE TEST REPORT (THIRD YEAR SURVEILLANCE) Rancho Seco Unit 1 Docket No. 50-312 Operating License DPR-54 SACRAMENTO MUNICIPAL UTILITY DISTRICT JANUARY 1978

RANCHO SECO NUCLEAR GENERATING STATION UNIT 1 - CONTAINMENT STRUCTURAL POST-TENSIONING' SYSTEM SURVElLLANCE TEST REPORT (THIRD YEAR SURVEILLANCE) DISTRIBUTION LIST COPIES Nuclear Regulatory Commission 15 Director of Regulatory Operations (Washington) Nuclear Regulatory Commission Regulatory Operations Office, Region V 2 W. C. Walbridge 1 J. J. Mattimoe 1 D. G. Raasch 5 R. J. Rodriguez 1 R. W. Colombo 4 R. P. Oub re ' 2 J. V. McColligan 5 D. C. B rown ing 1 D. B. Cass 1 L. G. Schweiger (QA Files) 1 J. Janis 1 L. R. Kellman 2 Surveillance Procedurec File 1 Document Control Center 1 Rancho Seco Library 1 SMUD Main Library, 6201 "S" Street, Sacramento 1 l R. Berchin, Babcock & Wilcox Company, Lynchburg I J. Bayshore, Bechtel Company, Norwalk 1 VSL (c/o V._ Lewis) 1 V. C. Lewis 1 j

CONTAINMENT STRUCTURAL POST-TENSIONING SYSTEM SURVEILLANCE TEST REPORT (THIRD YEAR SURVEILLANCE) TABLE OF CONTENTS PART PAGE 1. INTRODUCTION 1.0 2.

SUMMARY

AND CONCLUS IONS 2.0 3 TEST PROCEDURE 3.0 4. TEST RESULTS 4.0 5 ANALYSIS OF TEST RESULTS 5.0 6. SURVEILLANCE PROR.! EMS AND SOLUTIONS 6.0 7 COMMENTS FOR FUTG?? SURVEILLANCE 7.0 APPENDIX A - HORIZONTAL TENDON H-10 CORROSION SURVEILLANCE STRAND REMOVAL DOCUMENTATION APPENDIX B - JACK CAllBRATION RECORDS APPENDIX C -

SUMMARY

OF LOSSES FOR CALCULATED LIFT-0FF i

G 1. INTRODUCTION 1.0

1. INTRODUCTION The Rancho Seco Unit No. I containment structure post-tensioning system surveillance test (third year) was successfully cor. ducted as defined by the Technical Speci fications, Sections 4.4.2.1 th roug'i 4. 4. 2. 5*. This report covers the results of the third tendon surveillar ce test which was conducted in September and October, 1977. The third survelliance test was originally scheduled for the first quarter of 1977, but was rescheduled to the third and fourth quarters of 1977 while the plant was shut down. The containment s tructure cons is ts of a pos t-tens ioned, reinforced concrete cylinder and dome connected to and supported by a massive reinforced concrete foundation. The cylinder wall thickness is increased at three equally spaced locations to form vertical buttresses for prestressing hoop tendon end ancho rage s. Reinforced openings in the cylinder wall are provided for equip-ment and personnel eccess as well as for electrical and mechanical system pene t ra t ion s. The untire interior surface of the structure is lined with a 1/4-inch thick, seal welded, ASTM 285 steel plate which serves as a leak tight memb rane. Principal dimensions of the containment are: Inside Diameter 130 feet inside Height (including dome) 185 feet Vertical Wall Thickness 3 fee t, 9 inches Dome Thickness 3 feet, 6 inches Foundation Slab Thickness 8 feet The post-tensioning system utilizes the VSL 55 strand system and is composed of 126 vertical tendons,117 hoop tendons, and 81 dome tendons. The configuration of the tendons in the dome is based on a three-way system of three groups of tendons oriented at 120 degrees with respect to each other. The ve r-tical cylinder wall is provided with a system of vertical and horizontal (hoop) tendons. Hoop tendons are placed in a 240 degree system in which 3 tendons form two complete rings using three buttresses for anchoring the tendons. The primary purpose of the tendon surveillance program is to provide sufficient evidence to maintain confidence that the integrity of the reactor building is being preserved. The program consists of tendon, tendon anchorage and grease surveillance testing. In order to accomplish the intended test purpose, special lift-off jacks were employed and an agreement entered into with a contractor specializing in post-tensioning work to provide technical expertise, craf t labor, and access platforms requi red to conduct the surveillance program.

See Part 6 of this report for discussion of nonconformances and dispositions.

1.1

The test was conducted -in accordance with a written procedure which detailed tes t requirements, work methods, and speci fied acceptance cri teria. The test procedure !s included in Part 3 of this report. l.2

2.

SUMMARY

AND CONCLUS10NS 2.0

2.

SUMMARY

AND CONCLUSIONS The post-tensioning system surveillance test program consists of the following: 1. Li f t-off measurement of tendon force on a total of 18 preselected tendons. 2. Stressing three selected horizontal tendons to 80% of the ultimate strength of the strand material (.8f's). 3 Detensioning the horizontal tendons st ressed to.8f's and inspect-Ing for damaged strands. 4. Removing one strand from a selected tendon in each of the hoops, vertical and dome groups and inspecting and testing it for signs of corrosion or other deleterious effects. 5 Inspecting selected tendon end anchorages including end anchor hardware for indications of corrosion, abnormal material behavior, lack of grease cove rage, or excess ive s t ress. All test results were recorded in the field as the work progressed. All Jacks and gauges used in the test were calibrated within one year of use. The results of the third year tendon surveillance program verified tha t the post-tensioning system is functioning as intended and demonstrated that the integrity of the reactor building is being preserved. The following conclusions can be drawn from the results presented in Part 4 of this report: 1. All tendon li f t-of f values fall within the acceptance band speci-fled in the test procedure. 2. Tendons stressed to.8f's accepted the load without indication of overstressing, broken strands or other signs of degradation of the integrity of the post-tensioning system. 3 Surveillance of tendon anchorages, including tendon anchor head hardware, verified that all components have adequate grease coverage and show no signs of corrosion, excessive stress or deformation. 4. All corrosion surveillance strands removed are found to be free of co r ros i on. Tension tests on representative portions of the corrosion surveillance strand samples confirmed that the strand has not exper-ienced degradation from corrosion or any other source. (See Part 6 of this report for discussion of problems encountered during strand removal). 5. Chemical tests made on grease samples taken from representative tendons confi rmed that the grease properties have not changed materially. 2.1

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' SACRAMENTO MUNICIPAL UTILITY DISTRICT C) 6201 S Street Box 15830. Sacramento California 95813; (916) 452 3211 RANCHO SECO NUCLEAR GENERATING STATION UNIT NO.1 PROCEDURE CHANGE APPROVAL FORM Procedure Number 5p 2og o p h '), Title /,,,.,,, ; c, in,,,, t,,.,,,_ ,.; _g&;,9 ] 73,, g,,,, 1 ld S~ $ /7?d & i Originator g g n,,y,,,, pgo Date e.g.2 7f t1/ // Approvcd } gf l, bf* ff }l// j Date d {-g'y[ 8 Group scperve r/ Recommend Approval by Plant eview Committee: Yes [X] No [ ] Requested Change ?*Ae 9,/l. .:,a Yeef c A-n , to de mack.* / Se e he,n 9. </ /.m 7,, a s./ "As,: e.,t,/~ t, e., J e F /,, e t,, e,). F r,. A o., - nn n +.,,) 2,,se,1:en 4. t.,, &&) -H e L L. :n, an d' de -, e r ur n :/4 ee 7% An s n,, /, e f,,,,1 -A, b,,, e,.,,,. 1 n e e,) bc </, L c snec/ 3, s e et,,,

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/" SACRAMENTO MUNIC! PAL UTILITf DISTRICT O 6201 S Street, Box 15830. Sacramento. California 95813; (916) 452-3211 RANCHO SECO NUCLEAR GENERATING STATION UNIT NO.1 PROCEDURE CHANGE APPROVAL FORM Procedure Number $f0f()f,C 9 kc4 3 TitIe / n, p,.,, e p /, x m e f n,,. ,, f-Q.,,,, o f p,/ %,,cf,,,,_,, EG)PW On..gmator (; t-f-),. m._, ae 4 fr 7.g-f.-{-)[ Approve { y Jf//-f Date o,oup s p.rv-or Recommend Approval by Plant Review Committee: Yes [)4 No [ ] Requested Change 1. Defo h ,% f e,,,,,,, :,9 G fc. t, / 'd: s s, .,ec] t efl. e ( ., / s # "l ' o I /. A.. ,,...- /, :.' M*u....f A-4.>,...

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.W j,: P '.Nh,, V. v 'T-.. ' SACRAMiNTO f/UNICIPAL UTILITY DISTRICT O 6201 S Street. Box 15330. Sacramento. California 95813. (916) 452 3211 RANCHO SECO NUCLEAR GENERATING STATION UNIT NO.1 PROCEDURE CHAfJGE APPROVAL FORM Procedure Number S p y nf, g, y b t Title y,,,,,.,.. f,,.,,, ,t.,.,, .r. Ch., scs) /%,, c/,,,, ) }& lA%M'Ud'&V-2 /- & Originator e-f),,, Date Approve [g c/(/// Date [ f Zj'~ ~~ ' Group Svoervfri Recommend Approval.by Plant Review Committee: Yes M No [ ] Requested Change D, f. n. .;:, /...,, C, ? i3,,,/,, L. r.,s. e;; s / < n e 's/ 1 i .*/..< w.s s G,., to,,,. c3 AT.,/ Reason far Changa co,,, f r f. A. r.,, c,.,8, J,,, p.y < i a e u' h'-//!*-:s. /)/s,, n.,/,- t. fils,,._,.,,,. A .. f,s :. L, ;;. / A F +, 77.: 'a. -P,~ e /i' %. n 4.s.x. . 7f S** .s . m,,, w, . //. . !. <, fr...J s n iir. e se n 7', e... i Apptcted d[/ 4)[- Date R-7-7F -+ Piant Revi.w Comrnett.. Recommend Review by Management Safety Review Committee: Yes[ ] No [j() Approved Date 9 8 '-) G. s, ... 6,,,.~.. .~) Forward to Management' afaty Review Committee: Yes [ ] No [y] Reviewed Date u.a. m.ni s v.iy a... comm.it.. O SMUO.0366 12/74 f

$%~.5GMUD Nr/ SACRAMENTO MUNICIPAL UTILITY DISTRICT O 6201 S Street. Box 15830, Sacramento, California 95813; (916) 452-3211 RANCHO SECO NUCLEAR GENERATING STATION UNIT NO,1 PROCEDURE CHANGE APPROVAL FORM Procedure Number SP 205.03 Rev. 5 Title INSERVICE INSPECTION OF UNGROUTED TENDONS Originator J. Hiltz Date 11/19/75 Approved fd l[, k( Date l4 - 4 -)3 arouy-stwervssar Recommend Approval by Plant Review Committee: Yesly] No [ ] Requested Change.3, Tendon Lift-Off Loads. Reason for Change To revise calculated (anticipated) lift-off loads and minimuu acceptable lift-off loads for the relaxation losses since the previous surveillance. Also to compensate for the loss of I strand each removed for corrosion surveillance during the previous surveillance from tendons D-27 and V-62. Approved -ud[.LN Date l 1 - l E ~1 5 _o Plant Review Committee Recommend Reviagby Management Safety Review Committee: Yes [ ] Nh [ %) O II /0!h' ' Approved W.1 Date v Pia t Super ntendent / l Forward to Manageme t Safety Review Committee: Yes[ ] Nop] Reviewed Date u.n. w m.ni s.rety nev.e. comn u SMuo-o366 12/74

p. G... q g,, Wu SACRAMENTO MUtilCIPAL UTILITY DIS 1RICT O 6201 S Street, Box 15330, Sacramento, California 95813; (916) 452-3211 RANCHO SECO NUCLEAR GENERATING STATION UNIT NO.1 PROCEDURE CHANGE APPROVAL FORf,1 Procedure Number SP 205.03 Revision 6 Title IjiSERVICE I:iSPECTION OF UNGROUTED TENDONS IN PRESTRESSED CONCRETE CONTAINMENT STRUCTURE Originator W.J. Price Date 1-10-78 ((',[^[,[k, sun r.w, Approvcd Date /-to _ jT f ~ orp Recommend Approval by Plant Review Committee: Yes (>(l No [ ] Requested Change 1) Enclosure 6.3, Tendon Lift-off Loads.

2) add 2.7; AP.33, Calibration and Control of Measuring and Test Equipment.

3) add 3.7, If test equipment, other than installe! instrumentation is used, the serial number and re-calibration due date must be documented.

For vendor supplied test equipment, calibration data must also be provided. Reason for Change 1) To revise calculcted (anticipated) lif t-off loads and minimum acceptable lift-off loads for the relaxation losses since the previous Surveillance. 2,3) to update SP 205.03 with AP.33. Approved 9 ChTTAA Date 1-M - 76 m ai n..... comm.n.. Recommend Review by f,tanagement Safety Review Committee: Yes[ ] No [X] n Approved gw Date ) { (, NL g - a e. suo.,.ni.na.nt r~) - t Forward to nagement Sjety Review Committee: Yes [ ] NoQ] Reviewed Date Managem.nt Saf.tv R. view Commette. i SMuo.o364,12/74 e

W SP 205.03 INSERVICE INSPECTION OF UNGROUTED TENDONS IN PRESTRESSED CONCRETE CONTAINMENT STRUCTURE 1.0 PURPOSE Verify the structural integrity of the Containment Structure Post . Tensioning System.

2.0 REFERENCES

.1 A.E.C. Regulatory Guide 1.35. .2 Rancho Seco Unit 1 Technical Specifications, Section 4.4.2. .3 VSL, Drawings M8 File #6292-Cl2.05-35 & M9 File #6292-Cl2.05-36, . E5.55 Detensioning Equipment. .4 Bechtel Drawings C-430, C-432, C-447, C-470, and C-471. .5 Specification C12.05, Containment Structure Post-Tensioning System Surveillance. .6 Surveillance Standards AP 205.03. .7 AP.33, Calibration and Control of Measuring and Test Equipment. 6 3.0 LIMITS AND PRECAUTIONS .1 Timely performance of this procedure is necessary co ' assure com-pliance with Reference 2.2 above. .2 A maximum of one (1) tendon in each directional group may be detensioned at any one time. .3 Extreme care shall be exercised to protect exposed tendon material and anchorage from moisture and foreign materials. .4 Prior to operating jack, verify pulling head chucks are uniformly seated by tapping chucks with wood block. .5 When lif t-off' jack is pressurized, personnel shall be restricted from the back of the jack. Personnel shall keep hands and fingers away f rom tendon and ram while ram is pressureithd, except as re-quired to install or remove shims. .6 Work within and in the area of the plant vent enclosure must be co-ordinated with the Shif t Supervisor. ( .7 If test equipment, other than installed instrumentation is used, the 6 serial number and re-calibration due date must be documented. For vendor supplied test equipment, calibration data must also be provided. SP 205.03-1 Rev. 6 f

l 4.0 SURVEILLANCE TEST PROCEDURE .1 TEST SCllEDULE: Tendon surveillance shall be started in the first quarter of each of the following years: Year Sequence Year Sequence Year Sequence 1975 1 1987 2 2007 3 1976 2 1992 3 2012 1 i j 1977 3 1997 1 2017 2 1982 1 2002 2 2022 3 .2 LIFT-OFF MEASUREMENT: Lift-off tests shall be performed i on the tendons listed on the " Post-Tensioning Log Sheet 1A and 1B'? and shown on Figure 1, i.e.; six (6) tendons in each directional group. In addition to the lift-off tests, the three (3) modified tendons in the horizontal l group (See Figure 1) shall be stressed to.8fs (1817 kips) prior to detensionirg. They shall then be detensioned in accordance with the procedure detailed on VSL drawing 8M. { When these tend ns are recensioned they shall again be 9 stressed to.8fs or to the load as calculated by formula l shown on enclosure o.4 prior to seating. During stressing the anchor head must be kept centered with an alignment jig. Sheets lA and 1B of the surveillance log shall be 1 filled in as tests are conducted. See enclosed drawings ] for lift-off equipment, lift-off procedure and details. Lift-off measurement shall be taken on both ends of all surveillance tendons with the exception of those verti-i cals which were single end stressed. .3 ANCHORAGE SURVEILLAN",E: The anchorages of all tendons upon which lift-off tests are performed shall be visually, inspected for any indication of abnormal material behavior. The anchorhead must be solvent cleaned prior to the inspection. The inspection shall include the following: A. Anchorhead and Wedges - Visually inspect exposed portion of anchorhead and wedges for adequate i grease coverage. After cleaning, inspect anchor-head for indication of corrosion or excessive stress. B. Concrete at Anchorage - Visually inspect concrete at anchorage for any open cracking or signs of excessive stress. C. Shims - Inspect anchorhead shims where installed for adequate grease coverage. After cleaning, inspect for corrosion and excessive stress. SP 295.03 - 2 Rev. 1 - ~. -. -..

t 4 4.0 SURVEILLANCE TEST PROCEDURE (Continued) D. Bearing Plate and Trumpet - Visually inspect bearing plate for cracking, excessive deformation and movecent into the anchorage. On those tendons which are detensioned, inspect trumpet for grease coverage and physical appearance of grease. E. Strand - Visually inspect exposed strands for broken wires, loose wedges and any indication of slippage into the anchor head. F. Bearing Plate Movement - The anchorages of Hoop Tendons 29, 53, and 112, Vertical Tendons 14, 60 and 100, and Dome Tendons 18, 74 and 30 shall be checked for movement of the bearing plates by measurement using the reference bars provided and dial depth gages. Resulting measurements shall be recorded. Sheets 2 and 4 of the surveillance log shall be filled in as the tests are conducted. .4 Corrosion Surveillance, Strand and Grease Test: At each surveillance, strands from three (3) tendons, i.e., one in each of the three dir-ectional groups shall be removed for tension tests. The specific tendons selected are to be those associated with the sequence number assigned the particular year of surveillance (See ".1" above for sequence number and post-tensioning system log sheet 3 for correl-ation between t endon numbers and sequence). The horizontal selected l2 tendons must be detensioned in accordance with the procedure detailed on VSL Drawing 8M. Detensioning and recensioning will require simul-taneous jacking at each end of the tendon. Once the tendons are de-tensioned, a single strand shall be removed. On vertical and dome 2 l surveillance tendons only strands to be removed need be detensioned. The corrosion surveillance tendons were installed by first pulling in a 50-strand bundle and then installing and marking 5 surveillance strands. The single corrosion surveillance strands removed shall be one of the marked strands. As the strand is extracted the grease shall be wiped off and any areas of corrosion or pitting noted on Log Sheet 5. Samples from both ends and the middle of each of the 3 corrosion surveillance strands removed shall be tested to failure in tension per ASTM 416. One representative cample (1 quart minimum) i of tendon filler material (grease) shall be removed from each of the l three modified corrosion surveillance tendons inspected and tested j for melting point per ASTM D127, chlorides per ASTM D512-62T, sul-j fide per ASTM D-1255, nitrates per ASTM D-992-52, and water content per ASTM D-95-70. Sheet 3 of the surveillance log shall be filled in as the tests are completed. e A representative grease sample shall be obtained from one replace-ment grease barrel (if all barrels are from same lot no.) and tested to the above criteria prior to use. SP 205.03-3 Rev. 2. ~ 1

) t 4.0 SURVEILLANCE TEST PROCEDURE (Continued) Retensioning of the tendons shall be accomplished per drawing No. VSL 8M. Retensioning must be accomplished by simultaneously stressing each end of tendon in equal load increments. All lost grease shall be replaced by pumping under pressure. Replacement grease to be heated to a minimum of ll5'F. .5 LOG SHEETS The Post-Tensioning System Surveillance Log (Sheets lA and B, 2, 3, 4, and 5) shall be completed and the results analyzed with respect to the acceptance criteria and past surveillance records. Forward the completed log sheets to the Surveillance Procedure Files and the Generation Engineering Department within 7 days of test completion. 5.0 ACCEPTANCE CRITERIA .1 Tolerances for measurement shall meet the following criteria: Tendon Force i 10,000 lbs.; Elongation 1/16"; Temperature i l'F; Reference Bar Measurements 1 002". .2 Lift-Off Tests:.The following Acceptance Criterialapply: A. Tendon Lift-Off. 1. The lif t-off readings shall be between the minimum and J maximum calculated tension as shown on Enclosi.:re 6.3 for the particular tendon end tested. A maximumcof one tendon out of the sample population may fall outside the acceptance limits provided tendons on each side of the defective tendon are tested and both are found acceptable. B. Stressing to.8fs: Alltendonss'tressedto.8fE l2 must accept the load without indication of overstressing, broken wires or other signs of degradation of the integrity of the post tensioning system' .3 Anchorages Surveillance: The following Acceptance Criteria apply: A. Anchor Head and Wedges - Inspection should reveal adequate grease coverage and uncover no sign of excessive corrosion or loss of functional capability. B. Concrete at Anchorage - Inspection should uncover no indica-tion of excessive stress or material degradation. SP 205.03 -4 Rev. 2

5.0 ACCEPTANCE CRITERIA ( Continued) C. Shims - Inspection should reveal adequate grease coverage and uncover no sign of excessive corro-sion or loss of functional capability. D. Bearing Plate and Trumpet - Inspection should reveal adequate grease coverage and uncover no indication of excessive deformation or stress. No noticeable movement of the bearing plate into the anchorage shall have occurred. E. Strand - Inspection should uncover no broken wires, indication of slippage, or excessive corrosion. F. Bearing Plate Movement - Movement between readings shall in no case exceed 50 mils. .4 Corrosion Surveillance: A. Single Strand Tension Tests - All single strand samples should fail above 41.3 kips (ultimate strength). ~' B. Strand Corrosion Inspection - Strand must show no significant corrosion. Any area of significant or questionable corrosion shall be tested in tension with acceptance per A above and the extent of corrosion defined. Any noticeable pitting should be measured and tested. Light oxidation as evidenced by a reddish brown color is acceptable. C. Grease Tests - All grease samples should meet the following limits: Melting Point greater than 110*F Water soluble chlorides less than 10 ppm Water soluble _ nitrates less than 10 ppm Water soluble sulfides less than 10 ppm Water content information only. If the samples tested fall outside the specified limits, further samples shall be taken cnd tested. If the additional tests confirm the initial tests, the grease shall be replaced. SP 205 5 y y

5.0 SURVFILLANCE TE51 PROCEDURE (Continued) .5 If any df the above limits are exceeded or if abnormal material behavior is detected, a possible abnormal degradation of the containment structure (a boundary designed to contain radioactive materials) is indicated. In such cases, the reporting provisions summarized in the A.E.C. Regulatory Guide 1.16 " Reporting of Operating Information", should apply, except that the initial report may be made within 10 days of the completion of the tests, and'the ' detailed report may follow within 90 days of the tests. Included should be a description of the condition of the concrete, (especially at tendon anchorages) the inspection procedure, the tolerances on cracking, and the measures to be used when tolerance are exceeded. 6.0 ENCLOSURES .1 VSL Drawings M8 and M9, Figure 1. ( .2 Post Tendioning System Surveillance Log Sheets lA, 1B, 2,3,4, and 5. .3 Tendon lift-off loads. .4 Retensioning Calculation f 9 9 SP 205.03 - 6 L

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POST-TENSIONING SYSTEM LOG SHEET 1A YEAR OF TEST SEQUENCE LIFT-OFF TESTS Tendon Group Tendon Lift-Off Tendon Stressed to Elongation to Seatin end Number Force .8f's = 1817 Kios Re tension SEQUENCE Loss HOOP #10 1 t HOOP #25 2 2 e HOOP #114 3 3 h HOOP #26 HOOP #50 HOOP #115 ~ n. VERTICAL #62 b 1 (T) VERTICAL #63 b h 2 l NOTE: @, @ or h indicates buttress number @ or @ indicates Top or Bottom of Vertical Tendons h, h, h, h, h or h indicates end number of Dome Tendons Elongation shall be measured by simultaneously stressing (ach end of the tendon to 107. of the specified jacking force and marking the tendon with a tape marker on two strands. Elongullon chall be the difference in readings from the Datum to the total elongation prior to seating. DATA BY: DATE ).

POST-TENSIONING SYSTEM LOG SHEET IB Tendon Group Tendon Lift-Off Tendon Stressed to Elongation to Se. and Number Force .8f's = 1817 Kips Retension SEQUENCE Lo: VERTICAL #64 (T) h 3@ VERTICAL #15 (T) VERTICAL #61 kL VERTICAL #101 h h .h 1@ DOME #27 h h Ih hl h h 2h DOME #28 2e h h h 3h DOME #68 3@ h DOME #19 h DOME #29 h DOME #75 O DATA BY: DATE SP 205.03-11

PCST-fEhS10NING SYSTEM LOC SliEET 2 YEAR OF TEST SEQUENCE ANCllORACE SL'RVEILLANCE Con t ale-e n t Trumpets Tendon Group Interior Cutside Grease Anchor Heads Concrete & & Bearing and Nur.ber Temp. 'F Tump. *F Temp. 'F & Wedtes Anchorages Shims Plates HOOP #10 HOOP #25 HOOP #114 j HOOP #26 f HOOP 050 HOOP #115 l VERTICAL #62 VERTICAL #63 VERTICAL #64 VERTICAL #15 VERTICAL #61 VERTICAL #101 DOME #27 g l t DOME #28 6 DOME #68 f DOME #19 DOME #29 DOME #75 NOTE: Any unusual condition noted during the surveillance shall be detailed on Log Sheet 5 DATA SY DATE 3 i .i SP 205.03-12 (

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POST-TENSIONING SYSTEM LOG SHEET 4 Year of Test TENDON NO. REFERENCE BAR MEASUREMENTS LEET NJDDLE RTCHT INIT. SURV. DIFF. INIT. SURV. DIFF. INIT SURV. DIFF Hoop #29 t* i Hoop #53 a. n-. t ~,- Hoop #112 f 1 Vertical #14 I f 4 g Vertical #60 i l Vertical #100 l Dome #18 Dome #74 i Dome #30 i i l I Data By: Date o SP 205.03-14 e pn7 m-

POST-TENSIONI!;G SYSTEM LOG SHEET 5 YEAR OF TEST SEQUENCE vfl WC.CA.t et. g !!!.ll s e I~ }.- l ...y, /@'@@@@iND' I h9 ' A / (O)(*.9 O)f.Y d ) @ @1.M(T .6)S 9)$6'f@(7,v5)06(@ i p ([3)u,)(.;j)@.:)M)(,,,3Q@.' ! f .--- -.q,-- O @ U)Q M M @) Tn @ ~@ t.I2.h @)

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'2@/ .k' ic .m -=.= s / f l / 7~ l I w Tendon Nunber Tendon End COMMENTS: 0 NOTE: 1. Contractor shall identify by color code on this sheet, the location of color coded surveillance strands for the corrosion surveillance tendons and mark the location of the single strand removed for corrosion inspection. 1 2. Any unusual condition noted during the surveillance program shall be recorded on this form with details provided to note the location and DATA BY: describe the features of the condition noted. DATE 4 3. Comments detailing the condition of the strand removed for corrosion inspection a and tensile testing shall be included on this form. ~ SP 205.03-85 4

Ef1 CLOSURE 6.3 TEND 0f1 LIFT-OFF LOADS Maximum Acceptabic is 1704 Kips (.75f's) All Tendons Minimum Acceptable Tendon Tendon Tension at Lif t Off: -5% or No. Lif t-Off (Calc.) 1363 Kips, whichever is g rea te r H-10 (1) 1529 Kips 1453 H-10 (2) 1584 Kips 1505 H-25 (1) 1479 Kips 1405 H-25 (2) 1489 Kips 1415 H-ll4 (1) 1621 Kips 1540 ~ H-114 (3) 1591 Kips 1511 H-26 (2) 1559 Kips 1481 H-26 (3) 1504 Kips 1429 H-50 (2) 1673 Kips 1589 H-50 (3) 1544 Kips 1467 H-il5 (1) 1559 Kips 1481 H-115 (2) 1549 Kips 1470 V-62 (T) 1544 Kips 1467 V-63 (T) 1452 Kips 1379 V-64 (T) 1544 Kips 1467 V-15 (T) 1544 Kips 1467 V-61 (T) 1479 Kips 1405 V-101 (T) 1594 Kips 1514 V-101 (B) 1544 Kips 1467 D-27 (lD) 1574 Kips 14P D-27 (20) 1534 Kips 14, D-28 (30) 1521 Kips 1445 D-28 (4D) 1585 Kips 1506 D-68 (50) 1584 Kips 1505 D-68 (60) 1574 Kips 1495 D-19 (lD) 1574 Kips 1495 D-19 (20) 1614 Kips 1533 D-29 (3D) 1604 Kips 1524 D-29 (4D) 1594 Kips 1514 D-75 (SD) 1594 Kips 1514 D-75 (60) 1614 Kips 1533 SP 205.03-16 Rev. 6 e

) t ENCLOSURE 6.4 RETENSTIONING CALCULATION Retensioning to be accomplished to elongation as required by shim stock + 1/4" (maximum load not to exceed.8f's). Final lift-off to be recorded. 3 L 9 SP 205.03-17 Rev. 3 [

M 4. TEST RESULTS t 4.0

l RANCHO SECO NUCLEAR GENERATING STATION UNIT NO. 1 i i POST-TENSIONING SYSTEM SURVEILLANCE NO. 3 SURVEILLANCE REPORT 4 i i 1 LOS GATOS: December 1977 Prepared by: NV I, Rao Q. AC Reviewed by: //d ,/ /., d,',,g. m,,_ ' / Day T. Svarrson __y -y_. --n -y, -n w-

TO: Sacramento Municipal Utility District FROM: VSL CORPORATION, Los Gatos

SUBJECT:

Containment Structure Post-tensioning System Surveillance for Rancho Seco Nuclear Generating Station #1 Sacramento County, California 1.0 DOME TENDOMS 1.1 Tendons Surveyed: Lift-off on tendons #19, #29, and #75. Corrosion surveillance on tendons #27, #23, and #68. 1.2 Date Performed: September 13 thru September 29, 1977

1.3 Comments

No difficulties on lift-off tendons. With paint markings visible on both ends of the surveillance strands in tendon #68, one strand was successfully removed using a monostrand ram. Observations of the cracks in concrete at the bearing plates indicated no appreciable change from the original SMUD structural integr'ity test data sheets 1 through 16. 2.0 HOOP TENDONS 2.1 Tendons Surveyed: Lift-off on tendons #26, #50, and #115. Corrosion surveillance on tend'ons #10, #25,'and #114. 2.2 Date Performed: September 12 thru October 15, 1977.

2.3 Comments

No difficulties encountered in performing lift-off on tendons. Strand removal at tendon #10 for corrosion inspection and tension test proved to be a problem since there were no markings identifying the five surveillance strands. This situation also existed at horizontal tendon #25 during the second surveillance. Following the same procedures used on tendon #25, tendon #10 was completely detensioned P

and all wedges were removed. Having the strands relaxed, five were moved slightly at one end to identify the other ends. Permanent markings were put on the futuro surveillance strands (4 strands) by cutting away at each corresponding end one, two, three and four wires from the seven-wire strands. The length of wire removed is about 1 inch. The retensioning procedure followed the same guide-lines applicable for horizontal tendon #25 which are as specified below: 1. Removed anchor heads from each end.and shipped to VSL shop for honing of seating surface and replacement of wedges. ~ 2. Endoed tendon to insure equal length of strand protruding from each bearing plate. 3. Placed 4 shims under tendon anchorage at buttress #1 to end up with 7 shims and 3 shims under tendon anchorage at buttress #2 to end up with 6 shims. 4. Stressed tendon through anchorage to.3f's. 5. Sequentially inserted remaining 3 shims under each anchorage using normal retensioning pr.ocedure. 6. Once all shims were installed, stressed each end up to.75f's through anchorage and seated normally. 7. Made final lift-off. The non-standard anchor head of horizontal tendon

114 at buttress #3 was also replaced during this surveillance.

During retensioning of this tendon, a seal in the hydraulic ram failed after 2 shims had been placed back on both ends of the tendon. Replacement of the seal and new calibration of the ram was necessary before completing the retensioning operation. 3.0 VERTICAL TENDONS 3.1 Tendons surveyed: Lif t-off on tendons #15, #61, and #101. Corrosion surveillance on tendon #62, #63, and #64.

3.2 Date Performed: October 17 thru October 21, 1977.

3.3 Comments

No difficulties on lift-off tendons and on corrosion surveillance tendons. 4.0 GREASE SAMPLES AND CORROSION SURVEILLANCE STPMDS All the grease was clear. For results of laboratory tests, see Report No. 05396 or Log Sheet 3. The 3 removed strands for corrosion inspection exhibited no corrosion. The entire length of the strands was uniformly coated with grease. No unusual conditions were noted. For results of laboratory tests see Report No.50.!r92 or Log Sheet 3. 5.0 ANCHORAGE SURVEILLANCE No unusual conditions were noted on anchor heads, anchor head wedges, shims and bearing plates. All the parts were covered with grease and there was no indication of corrosion, deformation or loss of functional capability. Visual inspection of bearing olste' indicated no relative movement with concrete. 6.0 REFERENCE BAR MEASUREMENTS Reference bars at tendon ends H-53-2, H-ll2-2, V-14-T and V-100-T were accidentally displaced as reported on the first surveillance. Further disturbances to the reference bars, especially those associated with the vertical tendons (at top) were.noted des to accidental contact of men and equipment working near these bars. Therefore, these measurements are most likely invalid. Visual inspection of the bearing plates at these locations indicated no relative movement with concrete. YW k. Y Hao H. Bui l ~

N, N

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_= 1 %) q !<? 1 \\ / q2P I, '~ \\ \\ \\ \\ l .~%, \\ /I/ \\ ' ~., // s g s '. c' 19 72 ~. %.n y,' t ~ ~., o / \\, ' \\ *- /, xe 4 \\ (MP DOME (PLANLSfROly_S,p,0),ff]$ [QYE.R_'T[NAL.jtjDO5YONN.Tl ~ t BUTTRESS 3 BUTTRESS 2 CUTTRESST @ = 3S@ = N 2GP 19T 2@ l BOTTOt.10F RING l l GIRDER EL 123*.1% l EL 121'_.11 etar.,gu .. - - - -- - -; EL G'.11 % 'g,.,----------*.-' GROUT /0 / / / / / / / / / / / / EL - V EL.13'.8% // /. / /// / / ~ - DEVELOPED ELEVA TION I55lbi5TSUEIZdhfNi Ts5Ud55555]. CORROSIONSURVEILLANCE TENDONS MOD 1FIED -: e () NORMAL LIFT.0FF TENDONS ~-~~~~s FIGURE 1 REACTOR DUILDING SURVE!LLANCE TENDON LAYOUT d [ u SACRN.2.DITO t.iUNICIPAL UTIUTY D! STRICT p SP 205.03-9

LOC SHEET 1A YEAR OF TEST 107'1 SEQUENCE 'b h u. LIFT-OFF TESTS .1 0 Tendon Group Tendon Lift-Off Tendon Stressed to Elongationtoyi Seati and Number Force /, M r+ ) .8f's = 1817 Kios Retension E3 SEQUENCE Los @ I f,. '2 o '# l4n o 1 @.56 HOOP #10 1646 r s ,s g c,c o 1 @ L6 I6ns & II IG HOOP #25 i f t.o

11. 5 >>

g4g 2 @.Le 44., v a m o s & I l. 4'l-(qn o 2 0'LA I47o s HOOP #114 it: b o 0,26 ' g 1%6 3 @*+ I1.. l fs 3 @.M 161.o s gn,s HOOP #26 1610 lheb HOOP #50 h (&6o lue HOOP #115 1666 ~." @ ' Itvo VERTICAL 062 166o b h 1 (T) 94 varao+ RTICAL 063 . 1410 h '3 ~ h 2 2t..'21.%? o + NOTE: h, @ or & indicates buttress number @ or h indicates Top or Bottom of Vertical Tendons h, h, h, h, h or.h indicates end number of Dome Tendons Elongation shall be measured by simultaneously stressing each end of the tendon to 107. of the specified jacking force and marking the tendon with a tape marker on two strands. Elongation shall be the difference in readings from the Datum to the total elongation prior to seating. i ' DATA BY: H B.., DATE lo 11 - 1"I y c42_Sritquimntil

POST-TEt:SIONit:G S t'STh.M LOG SHEET IB Seat Tendon Group Tendon Lift-Off Tendon Stressed to Elongation to cnd Hamber Force /.vire-) .8f's = 1817 Kips Re tension SEQUENCE Loss (T)_ h h 3h VERTICAL #64 l66o h VERTICAL 015 (6 70 VERTICAL #61 I t, p 6 k) h I6 A6 VERTICAL #101 h ( 6 c> o h .h Ih h ( 9-70 DOME #27 6 + ' % T 4 A W Q /, Ih I?e h h 2h hl 16 c, 6 DOME-028 ) 54 hritA W 6 2h 1664 h lhA6 h 3h ) DOME #68 h 1990 h h 3h ) h I 6 0,6 DOME #19 i +u h I6oG DOME #29 I6 10 h 161o DOME #75 h IOes ) DATA BY: H. 6d ) DATE 14 4.1-11 h ~ SP 205.03-11 1

a l'051.fLNSisWLNC SYSTEM LOC SIIEET 2 YEAR OF TEST I 0 7 "l h SEQUENCE .Ahcit0XACE SURVEILt.ANCE Trumpets Containment Tendon Group Interior ('utside Grease Anchor Heads Concrete & & teerLng and Number l e P. 'F 1 = ro. 'F Tero

F

& t'edres Anchoraees Sh t:-s Plates I Ss 7+ 1c / V V HOOP #10 1 ?6 74-1o / / / / / / / V I b ?,. 7'b &5 HOOP #25 g s, ! 7o

e.,2, v

/ / / I bb 7:. To / / / / HOOP #114

c9 71 70

/ / y_ ,p _ f$ f 76 'I f / HOOP #26 3 6t 10 7L / / 1 6 s+ 79 /. / HOOP #50 3 66 M 70 / / l 47 69 70 / v HOOP #115 g _ 34-1L 76 y / VERTICAL #62 T M 69 0 f, V / VERTICAL #63 7 6 'b 67 6o / / VERTICAL #64 7 6& 76 60, V / VERTICAL #15 7 49 66 6f /* / VERTICAL #61 T A1 09 60 / / q pp L* 6 b4 / / VERTICAL #101 g 4,1 7& 74- / / '9 / 7 I MME #27 2 a6 6.F b - / / / 9 f' 76 76 v DOME #28 4, 61 71. 'l l / / 5 + <. ' ?:1 Th v' / DOME #68 t, s'0 92 76 / v i 66 75 7L / / DOME #19 g. At e7 ~19 / v V 67-60 16 DOME #29 .p 1A cr /, r, / / 5 6+ es Go 7 v DOME #75 g A s3 11 "l o y y NOTE: Any unusual condition noted during the surveillance shall be detsited on Log Sheet 5 DATA SY: H. kJ DATE if* 1I ' I1 t SP 205.03-12 I a

~h ~W 9." ' ~ TOST dCNS10H[i:0 SYSTilt ~ ~ ~ ~ ~ ~ 1.03 SilEEI 3 s F .TM07TM $ 0)1l e ' SEQUEllCE s. CORROSION SURVEILLANCE' Tendon Group Sinr.le Strand Tension Tent f's Crenne Tests and Humber,, Settuence End !!iddle i End 11elt Ft. CL. ~ S03 1i02 13 0 Content 2 Il00P #114 1 l3 k it00P 125 2 t u fj_,,,,._.y G. _f.fc3 *g 3 g,, y, o It00P #10 3 .o 3 W. 4 u VERTICAL 162 .1 * .ir (D VERTICAL #63 2 , u g -:h fyfffb t/ 2WO 15*0 f 3 *Pm C/ gps: 2,jp o. O. { 7, f VERTICAL 164 3 DOME (27 1 . le g 4 DOME (28 2 t/;d70 4901a. </2 9 iO' IrgE*Y 3 ppm < t,,,,- s. 9,y - o,1 ts DOME #68 3 Replacemint Crease .e f gg,,.i[c-c,,,,, (,'. /,,, ' ~ Me- 'Is

[

DATA BY:

du e% ),..:. 4y......e.4.f6.4As)b"~

dd/ .-e.6<d c f ms.sf n,.5., 4*- IlATi'. / / 9 /78

gLc.t v c.L e I DEC i k- ~ malis ~ ES~ NG A3ORATO:1: :ES m ***" I TESTING S INSPECTION SERVICES OAKLAND 9,4,,,ng,3,gg cog; 49, SAN JOSE M7 3,,, gggyA3 Aygy;,;g rmcisco g,7, SANTA CLARA, CAuf0RNIA 95050 November 3.7,1977 HTL.NO. SD-859-2 i LAB NO: 2264 i PROJECT: VSL CORPORATION MATERIAL: Eight (8) 1/2"6 Seven Wire Strands g DATE RECEIVED: November 11,1977 REPORT TO: VSL Corporation P.O. Box 459 Los Gatos, California 95030 REPORT l Gage Length Section Area Yield Strength Breaking % Elongation Coil No. (Sc. Inch) at 1% Extension Strength in 24 Inches i 1 0.1528 40070 42950 4.2 2 0.1537 38610 42350 5.2 39500 42950 4.7 3 0.1531 5 0.1534 39500 41850 4.7 6 0.1535 38500 42500 4.2 7 0.1531 39770 43050 5.2 l 8 0.1531 39500 44040 5.7 9 0.1537 39600 42950 4.7 Meets ASTM A416-64 Sample No.4 could not be tested due to grinding marks (nicks) on most of strand. Respectfully submitted, HALES TESTING LABORATOR~TS By (? _ s i> c MSivil/ss '/~[ 3 cc VSL Corporation / 1

MORS E LABOR ATORIES', INC S CHEMICAL AN ALYSl$ ANO RESEARCH 1525 FULTON Avtnut EECEjy[Q sacRaNENTO. cauronata essas 4es.3:41 DE.C 191977 Dacember 16, 1977 VSL CORPORM10N \\. VSL Corporation 236 N. Santa Cruz Avenue Los Catos, California 95030 Attention: Hao Bui Laboratory No. 05396 Date Received 11/15/77 Sample 3 Grease Samples for Flash Point, Drop Melting Point, Chlorides, Sulfides, Nitrates, & Moisture Horizontal Vertical Dome Testa 10 64 63 Flash Point 3700F 3900F 345 F (ASTt!D92) Drop !! citing Point 1590F 1500F 158.50F (ASEt D127) Moisture (AST!! D128) 0.2% 0.1% 0.1% Chloride (ASUI DS78) 3 ppm 3 ppm 3 ppm Sulfide (ASDI D878) < 1 ppm < 1 ppm < 1 ppm Nitrate as NO3 2.1 ppm 2.1 ppm 1.8 ppm (AST:1 DS78) i MORSE LABORATORIES, INC. l<tMrf L &^ " "( tz / ~ Marfo ie L. Dewey h Dir tor MLD:db L P OUfo LSTTSRS ANO RERORTS ARE FOR THE EXCLUSIVE USE UP THE CLIENT TO WMOM THEY ARE ADORESStr5 AND THE USE OF THE NAME L OF MORSE LADO R ATORIE S. INC. MU$f NECEIVE OUR PRIOR WRtTTEN APPROVAL. OuR LETTE R S ANO REPORTS PPLY ONLY TO

O e POST-TENS 10NING SYSTEM LOG SHEET 4 Year of Test It)11 i TENDON NO. REFERENCE BAR MEASUREMENTS _ LEr7._. MJ.DD.LE RT M INIT. SURV. DIFF. INIT. SURV. DIFF. INIT SURV. DIFF i ~ Hoop #29 j Hoop #53 Hoop #112 Vertical #14 8 Vertical #60 Vertical #100 l I Dome #18 Dome #74 Dome #30 Data By: h2& Lo c.s Oil 567 fA PA c ts I A To ib & FC G MA pi M a+. Date IC 'a l - 11 e SP 205.03-14 r.

~ sACH AMLNTO MUNICIPAL !!TILITY OtS1HICT J

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IA ce to g,,, oATE IE CT STRUCTURAL INTEGRITY TEST o t r T. End Anchor Surveillance Ccncration Engineeri.: R E F E Rf idCE STP 006 ff Ed V + l. Horizontal TENDON TYPE 6erticap Tendon No. I& Of7pp Dome 1. Bascline inspection Da t s-03 SERVED CRACKS 2. Peak pressure inspection Date 3. One to three days af ter stru-cture test. Date 4. Surveillance Date 10 la 71 1 Time Exterior Concrete Temp Interior Temp 2 Time Exterior Concrete Temp Interior Temp 3 Time Exterior Concrete Temp Interior Temp 4 Time 6: 4G Ag Exterior Concrete Temp Os* In terior TEcip 9 t' s All Ref erence Ear Measurements Taken According to Sketch REFERENCE BAR ?EASURDENTS i Left Middle Right j 1 Esse Line 2 Peak Pr essure 3 1 to 3 davs after S.T. 1 4 Surveillance c. c) ++ I,19~7

1. 'i, %

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S A:n Ar.tLNio MurnCWAt u s sto u o s a n. u f, g;t 3 97 -r a e ex oATE utCT ~ STRUCTURAL INTEGRITt TEST o t e r. End Anchor Surveillance Cencration Encineeri.: IS L F L F< L N CE STP 006 jf. Eg y s; L ~ Horizonta; TENDON TYPE QeFt3 cay Tendon No. 14 ToF Dome ~ 1. Baseline inspection Datn_ - ~ l 03 SERVED CRACKS 2. Peak pressure inspection Date 4 3. One to three days af ter stru-cture test. Date l 4. Surveillance Date 9 19-17 ~ g 1 Time Exterior Concrete Temp Interior Temp 2 Time Exterior Concrete Tc=p Interior Temp l Exterior Concrete Temp Interior Temp 3 Time 4 Tiee +7: oo FA Exterior Concrete Temp 16' Interior Temp 97. [ All Ref erence Bar Ifeasurements Taken According to Sketch + REFERENCE BAR lEASURDIENTS g J 1,e f t tiiddle Right ~~1 1 Base Linc 2 Peak Pressure 3 1 to 3 days after S.T. 4 Surveillance e,, 4 5,,, g, 4 4,, F 6 FH S.a c.9 &A 4 cA M A G E V -

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Crack Sketch 3_- E5 N8 Y ( S ( d ', h, G N A 4. N D. f' J

CT OATE SIRUCTURAL IllTECRITY TEST ~ End Anchor Surveillance o t rv. Cencration Engineeri.r REFERENCC STP 006 f.' 536 V /j l, Horizontal TEND 0ll TYPE Vertical Tendon lio. l3-I cEEP ~ 1. Baseline inspection Date. 03 SERVED CRACF.S 2. Peak pressure inspection Date 3. One to three days af ter stru-cture test. Date 4. Surveillance Date 9 /le /1-1 1 Time Exterior Concrete Tcmp Interior Temp 2 Time Exterior Concrete Temp Interior Temp =s 4 3 Time Exterior Concrete Temp Interior Temp 4 Time ? to f At. Exterior Concrete Temp 1a* Interior Temp 66 o All Reference Ear Measurements Taken I.ccording to Sketch REFERENCN BAR IEASUPSENTS 1.c f t Middle Right 1 Ease Line 2 Peak Pressure 3 1 to 3 days af ter S.T. 4 Surveillance t.tts I.fc4 c.0+G Crac1 Sketch t y-m3 l l I F7 I N# kAN6 & IN c g 4 c. V. 5. 1 (_ ~ "_ I V

............6... 33 m337 y r., ,pA 16 CT oATE STRUCTURAL INTEGRITY TEST End Anchor Surveillance o e e r. ~ Cencration Encineeri..r nEFCnENCE H. k,,' V I,i [, STP 006 Horizontal TDTDON TYPE vertical Tendon No. I-l @ - f., 1. Baseline inspection Date-03 SERVED CRACKS 2. Peak pressure inspection Date 3. One to three days after stru-cture test. Date 4. Surveillance Date O/t+/44 _.1 Time Exterior Concrete Tenp Interior Temp 2 Time Exterior Conerete Temp Interior Temp 3 Tima Exterior Concrete Temp Interior Temp 4 Time I: to r,% Exterior Concrete Temp on* Interior Temp 6 t. " All Kcference Ear Measurements Taken According to Sketch REFERENCE' BAR }EASUPSENTS Left r$iddle Right 1 Ease Line

2 Peak Pressure 3 1 to 3 days af ter S.T.

4 Surveillance

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7 DATE STRUCTURAL INTECRITY TEST End Anchor Surveillance o t r T.

~~ ~ Cencration Engineeri. ntecntuct H p,,2 g f,, g. STP 006 &ir ontaD TENDON TYPE Vertical Tendon No. 10 8 Guf. 4% Dome ~ 1. Baseline inspection Da t e-03 SERVED CRACKS 2. Peak pressure inspection Date 3. One to three days after stru-cture test. Date 4. Surveillance Date 10. i t - 71 1 Tio2 Exterior Concrete Temp Interior Temp

2 Time Exterior Concrete Temp Interior Temp

3 Tina Exterior Concrete Teep Interior Temp l4 Time A c c F,v.

Exterior Concrete Temp 1 b* Interior Temp 90* 1 All Reference Ear Measurecents Taken According to Sketch REFERENCE' EAR }EASUPSENTS Left Middle Right lL. Base Line 2 Peak Pressure 3 1 to 3 days af ter S.T. Surveillance f.40 7 l.0ib l 1.407 Crack Sketch rm-" 7 D3 No vi4EbL t Uh&F6, I- _D

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Cencration Engineeri.. RCFERENCC 'd. @,i V e,,1, STP 006 ~ ~ IoriZontaO TDIDON TYPE Verticil' Tendon No. 'C O & cy.

9 Dome 1.

Baseline inspection Date _--- 03 SERVED CRACKS 2. Peak pressure ins;.ection Date 3. One to three days af ter stru-cture test. Date 4. Surveillance Date

) I t 3 l-r 1 1 Time Exterior Concrete Temp Interior Temp 2 Time iExtcrior-Concrete Temp Interior Temp 3 Time Exterior Concrete Temp Interior Temp 4

Time '. : 30 T'/A Exterior Concrete Temp 11 Interior Temp 19' 8 hll Reference Bar Measurements Taken According to Sketch REFERENCE BAR !EASURDENTS Left Middle Right 1 Ease Line 2 Peak Pressure 3 1 to 3 days af ter S.T. 4 Surveillance i.44. t.074 1.469 Crack Sketch y,n-m Ns .~,.f A 4 '15

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4A r c,. ]A i3 ,e c7 OATE STRUCTURAL INTEGRITY TEST End /mchor Surveillance o s e r. Cencration Enrinceri nL F L nl r.CE g &,.c N' /; L STP 006 Horizontal TENDON TYPE Vertical Tendon No. OS - 9 1. Baseline inspection Date-035ERVED CRACKS 2. Peak pressure inspection Date 3. One to three days af ter stru-cture test. Date 4. Surveillance Da.te 9 /19 /r' ~ l Time Exterior Concrete Temp Interior Temp 2 Time Extcrior Concrete Temp _ Interior Temp 3 Time Exterior Concrete Temp Interior Tc[ap 4 Time i ! e c A /.4 Exterior Concrete Temp /c' Interior Temp 92 All Reference Ear Measurements T;. ken According to Sketch REFERENCE' BAR IEASUPRENTS 1.e f t Middle Right 1 Ease Line i 2 Peak Pressure 3 1 to 3 days after S.T. 4 Surveillance I to1 .+!

f. I 9 %

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,4 CT DATE STRUCTURAL I!JTECRITY TEST ~ End Anchor Surveillance o t r T. Cencration Engineeri.r nt>ERENcE }}. f;d l\\eL STP 006 Horizontal TENDON TYPE Vertical Tendon No. 0 'U 0 - f' c"3D 1. Baseline inspection Date. C$ SERVED CRACKS 2. Peak pressure inspection Date 3. One to three days af ter stru-cture test. Date 4. Surveillance Date 9/lb /U 1 Time Exterior Concrete Temp Interior Temp 2 Time Exterior Concrete Temp Interior Temp 3 Time Exterior Concrete. Temp Interior Temp 4 Time. t. e o f/A Exterior Concrete Temp 7[# Interior Temp DV All Reference Ear licasurements Taken According to Sketch REFERENCE' BAR }EASUPSENTS Left 1tiddle Right S Ease Line $ Peak Pressure i 1 to 3 days af ter S.T. i Surveillance

1. M t I.607.

I. ts 'a *> Crack Sketch e. gF r+ 3 U to SH A sa cat t ta c.$ A c.Y 6 & ~3 (Y .D 4 6 g .m..., 4

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~ STRUCTURAL INTECRITY TEST End Anchor Surveillance o t e r. Cencration Engineeri..r nLFLRLNCC g g,c[ q,t STP 006 Hori z on t al.) (YEfEica l' ' . Tendon No. M S uT". "3 TQ.' DON TYPE Dome 1. Baseline inspection Date. C3 SERVED CRACKS 2. Peak pressure inspection Date 3. One to three days af ter stru-cture test. Date 4. Surveillance Date 9 / 'i G /< < ~ l Time Exterior Concrete Temp Interior Temp 2 Time Exterior Concrete Temp Interior Temp 3 Time Exterior Concrete Temp Interior Temp 4 Time 'l */- Exterior Concrete Temp ik Interior Temp 62* All Reference Ear Measurements Taken According to Sketch REFERENCE' EAR }EASUREMENTS ~ 1,e f t Middle Right 1 Ease Line 2 Peak Pressure 3 1 to 3 days af ter S.T. 4 Surveillance

1. 7 6 t

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Hors : FtFERL& &t DA s s CASAato. Crack Sketch o. Vi+ uA L. las?:c7ie el of gg;rgga t't.A(S l'4 D i CATC. D 9e 'FS L.Ari ve A.Vs - g 33 h5K AictA ct a.:.F g(G. (* ~3 He CH A M A S i n cAAcS6. I~ .J O

G ACRAulNIO MUNICIPAL UTltlTY OtSlRICT 8g,., ,.g g, g7 44 ,,,, lp 4 l.A IJt CT OATE STRUCTURAL INTECRITY TEST ~ End Anchor Surveillance n e r T. Cencration Engineeri. ac>cntuct 8 L,3s '/ O r, STP 006 Olor1zontal TENDON TYPE herb ~cT Tendon No. -; ' - 0 S W '. OS t Dome 1. Ba'seline inspection Date-. - - - 03 SERVED CRACKS 2. Peak pressure inspection Date 3. One to three days af ter stru-cture test. Date 4. Surveillance Date C / l 4' /1 -1 1 Time Exterior Concrete Temp Interior Temp 2 Time Exterior Concrete Temp Interior Temp 3 Time Exterior Concrete Temp Interior Temp 4 Time 0' 90 An. Exterior Concrete Temp 'l k.' Interior Temp 16' All Reference Ear Measurements Taken According to Sketch REFERENCI BAR }EASUPSENTS Left Middle Right 1 Ease 1.ine l 2 Peak Pressure 3 1 to 3 days af ter S.T. 4 Surveillance I. t -7 0

i. C, *7 b l C 'A Crack Sketch g.m a

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i,a .,,q 3 y y 4A r., si A Ie at C7 o A f f. 3 STRUCTURAL INTECRITY TEST ~ End Anchor Surveillance o t e r. Cencration Encineeri.r ) nCFEHlHCC g. &J s//j L STP 006 ) ~ No izontal TENDON TYPE Verti h Tendon No. (a c Earr os. Dome ) 1. Baseline inspection Dat h ---- 03 SERVED CRACKS 2. Peak pressure inspection Date ) 3. One to three days af ter stru-cture test. Date 4. Surveillance Date / t - I G.11 ~ l Time Exterior Concrete Temp Interior Temp 2 Time Exterior Concrete Temp Interior Temp )3 Time Exterior Concrete Temp Interior Temp '4 Time 8:to Au Exterior Concrete Temp 9.>

Interior Temp 04*

) ) All Reference Bar Measur,ements Taken According to Sketch 1 REFERENCE BAR MEASUPSIENTS

1. eft Middle Right 1

Esse Line }2 Peak Pressure 3 1 to 3 davs af ter S.T. 4 Surveillance

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' Ject oATE STRUCTURAL INTEGRITY TEST End Anchor Surveillance o t e r. ) Cencration Encineeri..r I HEFERENCC H M N/OL STP 006 1 Horizontal Q Taj Tendon No. (so ye F TENDON TYPE ) Dome 1. Baseline inspection Date- ~ OyjSERVED CRACKS 2. Peak pressure inspection Date 3. One to three days af ter stru-cture test. Date 4. Surveillance Date c)

6 t1 1 Time Exterior Concrete Temp Interior Temp 2 Time Ext erior Concrete Temp Interior Temp 3 Time Exterior Concrete Temp Interior Temp 4 Time O 4'9 r.e Exterior Concrete Temp

'7 f->

Interior Temp

'b ?

All Reference Ear Measurceents Taken According to Sketch REFERENCE' BAR lEASUPSENTS Left niddle Right 1 Sese Line 2 Peak Pressure i

3 1 to 3 days af ter S.T. 4 Surveillance 't. 4 e. b

1. c c.

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V A,s A a e 1 Crack Sketch US A'70.C & /A E d i'Ol's' v A L.l o. Yt 4LIA L l'sh ge : 7lpsj of ^ # ' 'N 4 P LA ' 5 g S pi e A TS: t YO ES l-A TN E ,go y gg g, y y (r---

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)t CT oATE STRUCTURAL INTECRITY TEST Ind Anchor surveillance o t r y, Cencration Encineeri. E9 \\/e,- ;, STP 006 ) Horizontal TEt.* DON TYPE Ver,tical Tendon No. D. 7 4- - 6 ~ 1. Baseline inspection Date- ) C35ERVED CRACKS 2. Peak pressure inspection Date 3. One to three days af ter stru-cture test. Date 4. Surveillance Date 0 / n /1-1 Time Exterior Concrete Tc.np Interior Temp 2 Time Exterior Concrete Temp Interior Temp }3 Time Exterior Concrete Tecp Interior Temp 4 Tiec 1: So f ar Exterior Concrete Temp 9?* Interior Temp 5'E ) All Reference Ear Measurements Taken According to Sketch 1 REFERENCE' BAR lEASlTP21ENTS Left };iddl e Right 1 Ease Line l l2 Peak Pressure ~ 3 1 to 3 days af ter S.T. 4 Surveillance f l M.

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ga gn cef +A r. f.j A ce (_3 tc1 D^TE STRUCTURAL INTEGR.ITY TEST End Anchor Surveillance o t rT. Cencration Engineeri.r g, gi gg STP 006 Horizontal TEtiDON TYPE Vertical Tendon No. 9 - 7f - O 05 @ 1. Baseline inspection Da t e-03 SERVED CRACKS 2. Peak pressure inspection Date 3. One to three days af ter stru-cture test. Date 4. Surveillance Date 0 /l e /11 1 Time Exterior Concrete Temp Interior Temp 2 Time Exterior Concrete Temp Interior Temp 3 Time Exterior Concrete Temp Interior Temp 4 Time t

a.o T'. M. Exterior Concrete Temp

(,1

Interior Temp 1S*

All Reference Bar Measurements Taken According to Sketch REFERENCE' BAR lEASUPSIENTS Left gliddle Right 1 Ease Line '2 Peak Pressure .3 1 to 3 days af ter S.T. 4 Surveillance f.

i. ; t t 1 110 Crack Sketch 17 = ""7 P=

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,, p fg c, 13 r:CT D ATE STRUCTUPAL INTECRITY TEST End Anchor Survcillance o e rr. Cencration Engineerir.: nerenenct g 53., gL STP 006 IIoriz on tal TE!! DON TYPE %IiQ Tendon No. foo ErrTcy. Dome 1. Baseline inspection Date. 03 SERVED CRACKS. 2. Peak pressure inspection Date 3. One to three days after stru-cture test. Date 4. Surveillance Date 10 (q. qq 1 Time Exterior Concrete Temp Interior Temp 2 Time Exterior Concrete Temp Interior Temp 3 Time Exterior Concrete Temp Interior Temp 4 Tio2 4: 00 F/A Exterior Concrete Temp ~71. " Interior Temp 66* All Reference Ear Measurements Taken According to Sketch REFERENCE BAR }EASUPSENTS 1,e f t ljiddle Right 1 Easa Line 2 Peak Pressure 3 1 to 3 days af ter S.T. 4 Surveillance !. /r l 7 I *> ?. I i. 9 7 ') Crack Sketch e 7--- NO (AI A W a E i4 (. 9 A r,K G. f== 7 l-

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a.. n n...... u uunsur nu us een s us>sn u.s I, o o y,4g$( ; ,.t. ve lls A se \\b . tCT D AT (, ~ STRUCTURAL INTEGRITY TEST End Anchor Surve113ance ~ ot er. Cencration Engineeri. - RE F E nt roCE H. f,. e.l STP 006 Horizontal TEF.' DON TYPE fr tica D Tendon No. ICO Tr.F Dome 1. Baseline inspection Da t e-C3 SERVED CRACKS 2. Peak pressure inspection Date 3. One to three days af ter stru-cture test. Date 4. Surveillance Date o f f 6 l17 1 Time Exterior Concrete Temp interior Temp 2 Time Exterior Concrete Temp Interior Temp 3 Time Exterior Concrete Temp Interior Temp 4 Time ?. So P AA Exterior Concrete Temp 7k' Interior Temp b t. ' All Reference Ear Measurements Taken According to Sketch REFERENCE' BAR MEASUPRENTS 1 Ease Line ' Left Middle Right 2 Peak Pressure 3 1 to 3 days af ter S.T. 4 Surveillance 6 611 (.76t 6.toO , Crack Ske N Tdtht $ t Ap r' aca s i& V A ul o P'J E T* VA.V.A s & + oS $ & F f g & H t.9 GA> gy==m lr== M No V[hs'OL e

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.wnantse au MUNICIPAL ~ UilLITY Dl31HICT r 9 OHisy q'. A r.w 17 / 6' IB act o*TE STRUCTURAL INTECRITY TEST ~ End Anchor Surveil 3ance o t e r. Cencration Engineeri. OEFEAtNCE y g4 /g STP 006 diorizanta0 TDTDON TYPE Vertical Tendon No. 1It 6 o d ?'- gg Dome 1. Baseline inspection Date-Of, SERVED CRACKS 2. Peak pressure inspection Date 3. One to three days af ter stru-cture test. Date 4. Surveillance Date 'J/ IS /71 1 Time Exterior Concrete Temp Interior Temp 2 Time _ Exterior Concrete Temp Interior Temp 3 Time Exterior Concrete Temp Interior Temp-4 Tima oy: *> o F. ex. Exterior Concrete Temp 6 c) Interior Temp 6t* All Refe,rence Ear Measurements Taken According to Sketch REFERENCE BAR IEASUPSENTS

1. eft Middle Right 1

Base Line 2 Peak Pressure 3 1 to 3 days af ter S.T. '4 Surveillance I. fis t l 4 o. 7 L.OIS Crack Sketch p_ _ _ _, y \\ l E "3 Ha at, ya g ,a g g, as, 4 e

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6' I#2 NCY oATE STRUCTUPAL INTECRITY TEST End Anchor Survcillance o t e r. Cencration Engineeri.. H. 34 V6' STP 006 -m llorizontg TENDON TYPE Vert cal Tendon No. l l 'f G & Ur. ef Dome 1. Baseline inspection Datn 03 SERVED CRACKS 2. Peak pressure inspection Dar.e 3. One to three days after stru-cture test. Date 4. Surveillance Date f) / <2 -7 / ~11 ~ ~ l Time Exterior Concrete Temp Interior Temp 2 Time Exterior Concrete Temp Interior Temp 3 Time Exterior Concrete Temp Interior Terap 4 Time .4: S o AM Exterior Concrete Temp /C Interior Temp G4-All Ref erence Ear Measurements Taken According to Sketch REFERENCE' BAR }EASUPSENTS Left Middle Rig'nt 1 Basa Line 2 Pcak Pressure 3 1 to 3 days af ter S.T. 4 Surveillance I.613 l.9 l l 9#f C ' S&I FEN #& b# M ~ P A^^ A ' M&A '$ &' Crack Sketch MsMrs i t1VA L.i 9 Vib'J A l. idbf &stib H Df-f'f A.C8'N 4 fLAf& i4 pi 4Af 90 Ne $ p L.AT is's lieV B-/A6 N r WI ri ceMLder$- f F= M OP AA&Ob i& L$ ^ LIL -b. f- .- r g

POST-TENSION 11:C SYSTEM 1.0G' SilEET 5 YEAR OF TEST 'l 0 ? ~i SEQUENCE 9 v,,t. wc.t d. 3. /- _. _ (. ;... _.._._ _. _ _ _. _ _ .).' I. j ' .e.,. 8 ~ - *. I weiasg;~. ... y l "IN-N . n.. ' A.6 .n - _. W.g(b)@)(b 'i?' ~ n:m:0chaeuN I u.9 m.. .k gg / l.OS WE%%M@ \\ ) 9[$.9ON9hchh@hd?;f.)@.~l . d onasse% - -+ 6 ~ @@H s) sy.ha@l. u }., ~ .~W, l t a ' t:: a-.-:# \\ ~ .f[. p-l ~ l l z+- Tendon Nurber I~C1 T'endon End l CO.MTS : ?!o v a Jh.1 A t.

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G o G R o h i.~ tt h'J s'.>' E t' '. L M

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,,t A R K G O. NOTE: 1. Contractor shall identify by color code on this sheet, the location of color coded surveillance strands for the corrosion surveillance tendons and mark the location of the single strand removed for corrosion inspection. 2. Any unu.sual condition noted during the surveillance program shall be recorded on this form with details DATA BY: provided to note the location and describe the features of the condition H. O, noted. DATE ( s t i 1 'T 3. Cor ments detailing the condition of the i strand ' removed for corrosion inspection i and tensile tes ting shall,be included on i this form. SP 205.03-15

POST-TF.NSIONI!;G SYSTEM LOO SHEET 5 YEAR OF TEST l C.* 7 SEQUENCE D vvt we.w. 3 /- (:1 i

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,I ST Faw o I \\ ',-f. rec = wq ./ g'g(iO @ @g$ Y D ', I ,f u.y,,<.. <.u e / e s..:. w.W m.;x a /.GR96GM@ \\ t . j. 9 [.09pg.mac. :.;g.... .-4 (' 9h@(&(8.8 N'[di.i s)(5,.j)1 ) ~ @S @?>Mj) %@..)v,),/ i Q ie x .ww.-# t l;. \\.. s .A l

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.._3 .~. I I - ~. - - - - z.+ Tendon Nud>er I '1 7 Tendon End ?- CO. M TS: 9 :, u g in lea 49pi,.ieds g,rso, e # A o e.*o.4 ougvgittA4 4.e Af4Aaps I w p 40 0r- < L -( MAcNfC. NOTE: 1. Contractor shall identify by color code on this sheet, the location of color coded surveillance strands for the corrosion surveillance tendons and mark the location of the single strand removed for corrosion inspection. 2. Any unusual condition noted during the surveillance program shall be recorded on this form with details provided to note the location and DATA BY: describe the features of the condition H. E>N noted. DATE 18 - 2.1 -11 3. Comments detailing the condition of the strand removed for corrosion inspection and tensile testing shall be included on this form. j SP*205.03-15

I { POST-TFJ:SIONII:C SYSTE.M LOG S!!EET 5 YEAR OF. TEST l017 SEQUD;CE 'O vst. we.u.,.,2. /- o ' ). 1 [ll 1 -, e. t . _,I,. hu rt%i t.t I acg ,1 Il. 97AA go 2 I \\ y. -:= %.3,, /g l c<@m.cs,.i)(6?4 '\\ ' (inG I u.v=. m;gg s.M.n.<.ma \\ f.0?S$d&Y(J':N'EQ ' Q,hhi$$(O)k'b'[jidQ',)![j); /(d)4,)((j)(. --4. - - .g l .k..F@@hb!9@) ~ 6.5.YS:# 2lc ' b/ '%==S yf, l e 7 I l

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Tendon Nurber 7 1.,1) Tendon End 6 CO.MMENTS : Mo U4uwr t

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{btP$cI'.f.L.'( .h A C F. 6 0 NOTE: 1. Contractor shall identify by color code on this sheet, the location of color coded surveillance strands for the corrosion surveillance tendons and mark the location of the single strand reeoved for corrosion inspection. 1 2. Any unusual condition noted during the surveillance program shall be recordeo on this form with details provided to note the location and DATA BY: describe the features of the condition dM noted. DATE l'- %I-M 3. Comments detailing the condition of the strand removed for corrosion inspection and tensile testing shall be included on this form. t... @P 205.03-15

>4 POST-TD:SIOMING SYSTEM LOG SifEET 5,- YEAR OF TEST l e>11 S EQUE' ICE t ) v.;,i. we w.,e. / Ay ..-....._.__f,. 2 3 l. 'am s,uxatc c 1 ouuok'.-..... r , k{ '9(. ) l \\ r-::'r4,b, s /(p -.o@)$,5 Y o)@-<.ng..,- (a) \\ I v-5*vs. f.O'j): N.'-)000@Xs)dh I \\ \\ 4 @5 $ddWQ)h.h:'S$ u 3(.;5)6.;(g3 (3) g._ .)',_.. --e.. - -. }'[.0(.hi ?t0.hK'i.fiij.ibc @.1.) !.~ @@@Wih @ / Ik - 'h ) t V s~ m-& 1 i ./, L... ~ ) I I I z+- .-.-~ - h Tendon Nurber t 'l b ~ Tendon End + COMMENTS: No tr a ue-d A t AcN ai vi o 4 6 Mc-r: -o co g gocica eu s:.y N C.t. A a c.g Mrcra o s iv edutrtM tA A C. < s o l NOTE: 1. Contractor shall identil, by color code on this sheet, the location ' of color coded surveillan.:e strands for the corrosion surveillance tendons and mark the location of the single strand removed for corrosion inspection. 2. Any unusual condition noted during the surveillance program shall l be recirded on this form with details provided to note the location and DATA BY: describe the features of the condition dM noted. DATE ! # - O 11 , 3. Coe.nts detailing the condition of the strand removed for corrosion inspection and tensile testing shall be included on this form. SP 205.03-15

POST-TENSIONING SYSTEM ) LOG SHEET 5 YEAR OF TEST 101-7 SEQUENCE ) vit we.v.r..s /- _. __.,,..I;...... '. _ _ ) ,r I. i l 0., ) s ha: t:vei t t,J,.ec.e ,\\ '..,j. ). - ) 1

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~ -[@@[$)@@) ':@'D'4 / s I V-4*n. ' r.)) e.,' \\ j &s( $. 0(.Yd.:Si.9)ih \\ .@'N 'd?R %hh6 1 9,(@ e,,)(.; j)(;,.)g.g(. g.3 l (U)O)OM.$@WDc1@.',1 W@@@.PS@@/ ~ ?S. @ @@@@@G % i f* < r=.-=.-s x I <f ). / 7 . J. ,e i I l w ---.' ..l _ Tendon Nutrber 9-00 2 Tendon End 6 COMMENTS : Mt u g uac A r u d ci -i.- 4 4 h r to. 4A, v e o -i-g A a o mieW6 No M(2e8 s? te K u p:.3 r, ec f < erla t, La, K s. Lt-n s rit :,< M.t.u a o u ai r o.cs t.~f t.n - e-r> w i -d M&Ah4 t-s.U - *r r r a 40 R V '&

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5'- M J 0 & f Mla PS W A V R.K E 0 - NOTE: 1. Contractor shall identify by color code on this sheet, the location of color coded surveillance strands for the corrosion surveillance tendons and mark the location of the single strand redoved for corrosion inspection. 2. Any unusual condition noted during the surveillance program shall be recorded on this forn with details provided to note the location and DATA BY: describe the features of the condition it. C "E j DATE Ia 1 1 ~1'1 3. Comments detailing the condition of the L strand removed for corrosion inspection and tensile testing shall be included on this form. SP 205.03-15

PdST-TD;SIO.';II:G SYSTE.M ~ LOG SilEET 5 YEAR OF TEST 10'i7 SEQUCICE 9 vn. we.u... J:} l It' ~.

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[W f < r FF f. LT /A A 4 * *. $ 9 ders'AmJ0 6 / NOTE: 1. Contractor shall identify by color code on this sheet, the location of color coded surveillance strends for the corrosion surveillance tendons and mark the location of the single strand removed for corrosion inspection. 2. Any unusual condition noted during the surveillance program shall be recorded on this form with details provided to note the location and DATA BY: describe the features of the condition fl. M noted. g.fE 18 - M - M 3. Conzents detailing the condition of the j strand removed for corrosion inspection and tensile testing shall be included on . this fo rm. SP 205.03-15 ~

POST-TF.NSIONI!:C SYSTEM ) LOC SilEET 5 YEAR OF TEST 1971 SEQUENCE 9 )' vjt. we.u f. / (As:1 .I., s QUKVE L.* A tit.t i I \\. eS + r:: 4 a o f,. -c-:.= r 4 l (q@u +g @.<.nu g $y \\ @@l l v.. vw.. .'Q.+nkKo{,\\ [.O(':b 'M.'.69)\\.b'u'Y($ 1 ~ 4 (6)< -)q5)p3.;e-S(..)g.. .. d --.. -.. . -. s... -. .\\ 'OMMM@#&.)@.':)) \\W@hf$h@/ @ M/FF.>) 7 i-D...; -:. Y, l.......-.. . : _.... n. I l ~ - - - - - - 1+. Tendon Nueber 8 -Io Tendon End Buf f. AI CO.'OiENTS : uo U.uu6d A t. C,9 of r io W+ Morso. ec Ac ei:.1 etigv6it.LA9 u 4 - 4 A.d p 9 u s,- As.A g g 6 o <25. a, ve o weAuo ' ert : # 5 9e h i ls d s r i'. t c Gm *d r DC fi-f is.1 e f H.r r* L G t C d n.ert o t-4?4AMO n a i s.,4.w i.v e,e A c e o v/ t tt4 o R G A e, t!. NOTE: 1. Contractor shall identify by color code on this sheet, the location of color coded surveillance strands for the corrosion surveillance tendonsi and mark the location of the single strand removed for cor rosion. ins pe c tion. 2. Any unusual condition noted during the surveillance program shall be recorded on this forra with details provided to note the location and DATA BY: describe the features of the condition N ba4. noted. DATE 13-il-17 3. Comments detailing the condition of the strand recoved for corrosion inspection and tensile testing shall be included on this form. SP 205.03-15

POST-TEt:SIONI!!G SYSTEM ) 1.0C SHEET 5 YEAR OF TEST I O'1 *7 ~ SEQUENCE 9 ) vit. we.v.e..r. /* s. -}..... _ __ ) l .~ l ) 1 y-g_ ) i s ,?.f. _=. %.. suNshu qw ~ ;- ('))@@, 'i'~g '> T f MJ9 / ("n){i, r 3)(:. - @ 'r) \\ I v, I

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y Q) O.g)/ 2c ' J'::::::b:S ) I l fl. s J.... .. L __..._ ,. ~ ) l l l 2+- .... ~.. Tendon Nurber H-IO Tendon End Furf. d '2. COMMENTS: po 0Nu+dAt 49 os ci a46 cor G es. 40ASo'fi04 'r o R vi i t.t. A 9 t.c or f.s a o 4 d o.r-tA A d y-s o W on o 4s c A a o 'sttr'M 6

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NOTE: 1. Contractor shall identify by color code on this sheet, the location of color coded surveillance strands for the corrosion surveillance tendons and mark the location of the single strand removed for corrosion inspection. 2. Any unusual condition noted during the surveillance progra::: shall be recorded on this form with details provided to note the location and DATA BY: describe the features of the condition H. % noted. DATE l e < l l-7 3. Comments detailing the condition of the strand removed for corrosion inspection and tensile testing shall be included on this form.. SP 205.03-15

POST-TE*:570MIf;G SYSTE.M I LOG SHEE. 5 YEAR OF TEST I 0 7 -r SEQUENCE b I vsi. we.ta..f. h,;.I....... ._/- s. I s ,i. I, t s. i

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eeA-Go v/i -H AMuc. NOTE: 1. Contractor shall identify by color code on this sheet, the location of color coded surveillance strands for the corrosion surveillance tendons and mark the location of the single strand removed for corrosion inspection. 2. Any unusual condition noted during the surveillance program shall be recorded on this forn with details provided to note the location and DATA BY: describe the features of the condition N 5 46 noted. DATE R - ?! M 3. Corrents detailing the condition of the strand removed for corrosion inspection 1 and tensile testing shall be included on this form. RP 205.03-R72 J

POST-TD:510511:C SYSTEM LOO SilEET 5 YEAR OF TEST 10 7 -f SEQUCiCE S v.,e wo,..a /, _. _ f,. ;;. I

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NOTE: 1. Contractor shall identify by color code on this sheet, the location of color coded surveillance strands for the corrosion surveillance tendons and mark the location of the single strand removed for corrosion inspection. 2. Any unusual condition noted during the surveillance program shall be recorded on this forn with details provided to note the location and DATA BY: describe the features of the condition N. S*.d. n ted. DATE lo d ! - 71 3. Comments detailing the condition of the strand removed for corrosion inspection and tensile testing shall be included on this form. ) SP 205.03-15

$SMUD SACRAMENTO MUNICIPAL UTILITY DISTRICT O 6201 S Street, Box 15830, Sacramento, California 95813; (916) 452-3211 The Acceptance Criteria for Test Procedure SP-205.03, "Inservite inspection of Ungrouted Tendons in Prestressed Concrete Containment Structure" has been reviewed by me. I find the data within the Acceptance Criteria as stated in Section 5.1, 5.2, 5.3, 5.4, and 5.5 of the Tes t Procedure, except for the reference bar measurement readings of Section 5.3.F. Close visual inspection, however, shows no relative bearing plate movement, and therefore no degradation of the containment s t ruc t u re. h Val Lewis Senior Civil Engineer hw. 12, /978 Daty 0

.-4-A a w -m G l 5. ANALYSIS OF TEST RESULTS 1 9 ? 5.0 h

5 ANALYSIS OF TEST RESULTS The tendon lif t-of f tes ts veri fied that tendon force has relaxed as the original design assumptions would indicate. This result confirms that the original design assumptions are accurate. In calculating anticipated lif t-off loads, only reductions due to relaxation and previous strand removals were considered. It can be assumed for all practical purposes, the only factor materially effecting tendon force af ter the first surveillance is prestressing steel relaxation. This is true because essentially all stressing sequence, concrete creep and concrete shrinkage losses ^ have al ready taken place by the time of subsequent surveillances. A table listing the calculated lif t-off forces and calculated losses is included in Appendix E of this report. The acceptance band for individual lift-of fs allows a minimum force of 5% below the calculated value and a maximum of.75f's. The minimum figure allowed for measurement inaccuracies. The maximum figure is the maximum stress level desirable at the tendon anchorage. The list on the following page tabulates the calculated lif t-off load, speci fies the acceptance band, lists the actual li f t-of f force and shows as a percentage the dif ference between the calculated li f t-of f and the actual li f t-of f. Assuming a maximum 40 year relaxation loss of 4% and that approximately 3 0% of this has taken place by the time of the third surveillance, the 40 year tendon force level can be estimated to be equal to the second year surveillance force less 0.4%. This would indicate that the anticipated force level in all tendons af ter 40 years of service will be above the design minimum of 1363 kips average tendon force. An analysis of the reference bcr measurments for the following tendons indicate a difference in dial depth gauge readings (from second surveillance), in excess of 50 mils: v-14-B, right meaturement; D-18-1, middle measurement; H-29-Buttress #3, lef t and middle measurements; D-30-4, lef t, middle and right measurement; H-53-Buttress #2, left and right measurement; H-53-Buttress #3, right measurement; D-74-6, right measurement; H-112-Buttress #1, lef t and right meas u rmen t. Af ter close visual inspection of the bearing plates, it was concluded that the various cantilevered reference bars have been deflected >50 mils rather than any movement of the bearing plates. l m 5.1 l }

ANALYSIS OF TEST RESULTS Tendon Force 1 Minimum Accept-Maximum Accept-Percent Dif-Tendon At Li f t-Of f able Lif t-Off able Lif t-Off Actual fe ren t ia l from N umbe r (Calculated) (-5%) (75% f s) Li f t-Of f Calculated H-10 (1) 1529 Kips 1.453 Kips 1704 Kips 1555 +1.7 H-10 (2) 1584 Kips 1505 Kips 1704 Kips 1535 -3.1 H-25 (1) 1479 Kips 1405 Kips 1704 Kips 1420 -4.0 H-25 (2) 1489 Kips 1415 Kips 1704 Kips 1470 -1.3 H-114 (1) 1621 Kips 1540 Kips 1704 Kips 1560 -3.8 H-II4 (3) 1591 Kips .i511 Kips 1704 Kips 1320 -4.5 H-26 (2) 1559 Kips i81 Kips 1704 Kips 1610 +3.3 H-26 (3) 1504 Kips 1429 Kips 1704 Kips 1505 -0.1 H-50 (2) 1673 Kips 1589 Kips 1704 Kips 1650 -1.4 H-50 (3) 1544 Kips 1467 Kips 1704 Kips 1535 -0.6 H-il5 (1) 1559 Kips 1481 Kips 1704 Kips 1565 +0.4 H-il5 (2) 1549 Kips 1470 Kips 1704 Kips 1470 -5.0 V-62 (T) 1544 Kips 1467 Kips 1704 Kips 1560 +1.0 V-63 (T) 1552 Kips 1379 Kips 1704 Kips 1475 +5.0 V-64 (T) 1544 Kips 1467 Kips 1704 Kips 1550 +0.4 V-15 (T) 1544 Kips 1467 Kips 1704 Kips 1570 +1.7 V-61 (T) 1479 Kips 1405 Kips 1704 Kips 1605 +8.5 V-101 (T). 1594 Kips 1514 Kips 1704 Kips 1585 -0.6 V-101 (B) 1544 Kips 1467 Kips 1704 Kips 1590 +3.0 0- 27 ' ' D) j 1574 Kips 1495 Kips 1704 Kips 1570 -0.3 D-27 (20' 1534 Kips 1457 Kips 1704 Kips 1495 -2.5 D-28 (3D) 1521 kips 1445 Kips 1704 Kips 1535 +0.9 D-28 (4D) 1585 Kips 1506 Kips 1704 Kips 1595 +0.6 D-68 (50) 1584 Kips 1505 Kips 1704 Kips 1585 -0.1 D-68 (60) 1574 Kips 1495 Kips 1704 Kips 1550 -1.5 0-19 (10) 1574 Kips 1495 Kips 1704 Kips 1585 +0.7 D-19 (2D) 1614 Kips 1533 Kips 1704 Kips 1570 -2.7 D-29 (3D) 1604 Kips 1524 Kips 1704 Kips 1595 -0.6 D-29 (4D) 1594 Kips 1514 Kips 1704 Kips 1570 -1.5 D-75 (50) 1594 Kips 1514 Kips 1704 Kips 1570 -1.5 D-75 (60) 1614 Kips 1533 Kips 1704 Kips 1605 -0.6 5 cu

6. SURVEILLANCE PROBLEMS AND SOLUTIONS i 6.0 6 i

6. SURVElLLANCE PROBLEMS AND SOLUTIONS Two relatively minor problems were encountered by the contractor performing the tendon surveillance work. The following section describes the problems encountered and discusses the solutions. 1. Seal Failure in Hydraulic Ram While the non-standard anchor head of horizontal tendon #114 was being replaced with a standard anchor head (disucssion of this problem covered in the Fi rst Year Surveillance Report, August 1975), a seal in the hydraulic ram at buttress #3 failed af ter 2 shims had been placed back on both ends of the tendon. The ram was removed and repaired and recalibrated before completing the retensioning operation. No other problems with the hydraulic ram occurred during the surveillance. 2. Horizontal Tendon H-25 Corrosion Surveillance Strand Removal Upon inspection of the anchorage of Horizontal Tendon #10, it was found that the paint markings, on the strands pre-pared for removal, were no longer visibic. Hence, it was necessary to search for the opposite end of the strand selected for removal. This was done as described in paragraph 2.3 of VSL's report contained in Section 4. Nonconforming Report No. S-806, included in Appendix A, documents this strand identification problem. l 6.i /_

s 7. COMMENTS FOR FUTURE SURVEILLANCES 7.0 k i

W 7. COMMENTS FOR FUTURE SURVElLLANCES in future-surveillances consideration must be given to the follow *n 3 factors to ensure accurate evaluation of the test resul ts : 1. The anticipated lif t-off force should be calculcted by deducting the relaxation losses anticipated since the last surveillance from the lif t-off force recorded at the last surveillance. 2. The minimum acceptable lift-off should be the greater of -5% of the calculated or the minimum design value of 1363 kips. 3 The acceptance band for corrosion surveillance tendons from which strands were removed for testing must be adjusted to reflect the decrease in tendon force re-sul t ing f rom the s t rand removal. 4. Grease drained from vertical surveillance tendons should be recovered and returned to the tendon upon completion of the test. 5. Fill out Log Sheet 5 for the vertical and horizontal tendons which have strands removed 1,r corrosion sur-veillance. 6. Prior to surveillance, service rams and replace all seals, and have rams and gauges calibrated. 7. Prior to surveillance, service surveillance platforms. l l I l l 7.1 k

M 3 +-n_ a m, k t V APPENDI XES i

i APPENDIXES J Appendix l A HORIZONTAL TENDON H-10 CORROSION SURVEILLANCE STRAND REMOVAL DOCUMENTATION NCR No. S-806 on inability to locate and remove a corrosion surveillance strand from horizontal tendon H-10. B JACK CAllBRATION RECORDS C

SUMMARY

OF LOSSES FOR CALCULATED LIFT-OFF 1 4 f L )

se APPENDIX A HORIZONTAL TENDON H-10 CORROSION SURVEILLANCE STRAND REMOVAL DOCUMENTATION e e

RANCHO St.C0 cut.sv Class I NONCO*JFORMING OFFORT NO. S-806 I svS7r.M _P_ost Tensioning Sys tem _ PREPARED BY yal_, Lewis EOulPMENT 1.D. NO. Tendon H-10 LOCATION Rancho Seco EQUIPMENT NAME DATE 10/27/77 WORK REQUEST PC.h[ ,_ _ PURCII ASE ORDER NO. Il DESCRIPTION OF NONCONFORMANCE Surve111arce strand cannot be removed from Tendon H-10. Surveillance strands were not idenrified so unable to identify both ends of any strands. IIA DESIGN REVIEW AND 0 Section 50 O' h., ' M .59 rev ew required. N d?') Ill DISPOSITION (CI.ect One) \\ k AChfPT REJECT REPAIR REWORK h REPLACE IV DISPOSITION INSTRUCTIONS AND TECHNICAL JUSTIFICATION Rer we the anchor heads at both ends, remove one strand for surveillance, identify and ,,ermanently mark both ends of 4 more strands for future surveillance specimens. Ship anchor heads to shop to be honed for removal of any possible burrs. Replace the anchcr heads using new wedges. Align the strands to insure that old wedge teeth marks are within the grip of the wedges or beyond the free side when the strand is retensioned. It.$'N"Syst$2[Unle' ~' n Tut No. A ,,p, y g j /,, j, 4 y COGNIZ ANT ENGINEER - O A rt / V ENGlNEER1NG REVIEW BO ARO (requered on a!! accept; repair dispositions) lm Y/ f 7 2 $% b O $ 7 AD DATE PL T 5UP,$ 1 N T E ND Eh & Dif EJ ' f %' 9 L k d O c. R il li 4 h > M } R.fR GENER A/rlON ENGINEERING CODE INSPECTOR O A TE (s/ rrquered) OATE VI REPAIR / REWORK / REPL ACE COMPLETE and ACCEPTADLE m/ C.NHii?- ile /7e _ ' C O r)E e N9PFC TO R OATE## f er'epur.*.f.1 INSPEC ton / ENGINE E R CATE VI A RETEST COMPLETE and ACCEPTABLE TEST RESULTS APPROVED BY DATE Vil CAUSE CORRECTIVE ACTION Construction contractor did not properly Not applicable. Construction contractor's identify the corrosion surveillance work is completed. strands. U-Jk "/qln \\%U "/q h, DISTRI8UTION 0 .11.un. sere tieneratu.on Enginerrunht of churf Ennine'er (In

APPENDIX B JACK CAllBRATION RECORCS l u

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SUBJECT:

Rancho Seco Post-Tensioning System Surveillance Ram Calibration Please find attached the calibrations for ram C409872 dated November 30, 1976; rum 37040 datcd November 30, 1976; and ram 37040 dated Sep tcicher 29, 1977. I was procent during each calibration using the Southwa2.h -Emory Univernal testing nachine at the Richmond Field Sta-tion of'the University of California. The machine was run by Dr. Roy M. Stephen of U. C. Berhclay and witnossed by myself. /- f 1 -} $ , k:! y, -r..-p> a l-q i I. e 2_

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[ f-SANTA H ArutARA

SANTA CDUZ Statti.ET
DAY 11. ent NE. LOS ANCELts
mfvtASIDE
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COI t.F.CE OF ENCINEEfttNc S ERKELF.Y, CALIFORNIA 94T20 DEPARTalENT OF CIVIL F.NCINET.RTNc DIY13 TON OF STAUCTUR A!. ENCINEEP.!NC 4x:) sTaucTUR Ar. ortcar3Nics Decercher 6,1976 VSL Corporation P. C. Box 459 Lo3 Catos, CA 95030 Attcntion: Mr. George Drew

Dear Mr. Drew:

On Novera.ber 30,1976, two 908-ton hydraulic rams were calibrated in the S uthwark-E:: cry Universal Testing Machine, University of California, Berkeley, co cervice-to-industry project 7470. The rams were marked as follows: PTD-908.6-3 1/4 PTD-908.6-3 1/4-37040 908.6 tons at 8005 psi 908.6 U.S. tons at 8005 psi s Eff. Area 226.8 sq. in. Eff. Area 227 sq. in. C409872 Vol/ Stroke 737 cu. in. 375 E 313 Each ram was loaded three times with the apprc.priate gages supplied by VSL Corporation. The tabulated calibration readings are attached as well as. Figures 1 and 2, which are the calibration curves for each ram. We trust,that this wi2 ' supply the information you wanted. Very truly yours, y y_ oA,p 'hoy M. Stephen Principal Developocnt Engineer RMS:ja cc ORS 9 9 J v

) ) CALIBRATIC:i FIADI!!GS FOR 903.6 TO!! RAfe. PTD-908.6-3 1/4-37040 CALIDPATED I:I 4000 Y_IP U:!IVEPSAL TESTI? G !GCI!IIIE, U:lIVERSITY ) OF CALIFOPJiIA, BEPJILEY, tiOVE!'EER 30, 1976 Et21 #1 RtJI #2 RLil 53 ) IliDICATED IllDICI.TED II;DICATED I!iDICATED PRESSURE PRESSURE PPISSUPI PPISSUPI PSI LOAD PSI f.,OA D PSI LOAD PSI ) GAGE 2A KIPS GAGE 2B KIPS GAGE 23 KIPS CAGE 23 O O O O O O O l 1000 220 1000 215 1000 210 960 2000 445 2010 440 2000 440 2600 1 3000 665 3010 660 3000 650 2960 4000 890 4020 875 3980 875 3970 5000 1115 5020 1105' 5000 1100 4580 6000 1345 6080 1335 6010 1330 6000 l 7000 1585 7100 1570 7060 1565 7040 l 8000 1810 8190 1800 8150 1800 8140 8200 1860 8400 1850 8380 1945 8350 g e G e e a b e e e O e 4 n h

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CALIB2ATION P2ADItiCS FOR 903.6 TON RAF. C409572 CALIE?NTED IN 40001* P U:!IVCP. SAL TESTI:3G. !!ACHINE, C:IVEP.SITt OF CALIFOPCIIA, J BERKELE't, !;0*C:'3 P. 30, 1976 kCI # 3 RCI #1 Emi # 2 INDICATED INDICATED IIIDICATED INDICATED PRESSURS PECSSUP2 PP2SSUF2 PRESSUPI l PSI LOAD PSI LOAD PSI LCAD PSI GAGE lA KIPS GAGE IB ' KIPS GAT 3 13 KIPS GAGE 13 j 0 0 0 0 0 0 0 1000 250 1150 250 1150 255 1150 l ) 2000 475 2200 475 2210 475 2200 l - 3000 705 3210 705 3210 710 3220 '4000 925 4190 920 4190 425 4190 l 5000 1145 5120 1135 5100 1140 5130 t 6000 1360 6130 1355 6110 7.360 6120 f 7000 1590 7160 1585 7110 1585 7120 { 8000 1815 8150 1810 8130 1810 ' 8150 8200 1835 8290 1855 8330 1860. 8330 ) L 1 k

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CALIBRATION OF 4,000,000 LB. SOUTilWARK-EMERY II:!IVERSAL TESTI!!G MAC:IINC University of California, Berkeley R. M. Stephen - R. Parsons - A. D. Lawrence, November 1976 160,000 LB. RANGE 400,000 RANGE 1,600,000 LB. RANGE 4,000,000 LB. RANGE (1) (1), (2) (2), (3) (3) TESTING MACl!INE TESTING MACIIINE TESTING MACllINE TESTING MACllIt:E I;DIC7TED LOAD % ERROR INDICATED LOAD % ERROR INDICATED LOAD % ERROR INDICATED LOAD % ERROR (KIP) (KIP) (KIP) (KIP) l 0 0 0 0 20 1.33 50 1.76 200 .05 400 .19 35 .61 80 .89 400 .30 000 .48 l 50 .59 100 0 600 .37 1200 .51 65 .60 150 .02 800 .25 1000 .43 00 .17 200 .18 1000 .22 2000 .42 90 .15 300 .40 1200 .29 2400 .42 100 .24 400 .18 1600 -.12 2G00 .37 112 .9 3200 .40 150 .37 3600 .27 100 .49 4000 .07 + Error indicates testing machine indicated load is high. (1) U.C. Dya.amometer Ring No. 0161, calibrated by National Bureau of Standards, April 24, 1975. (2) U.C. Load Cell No. 0212, calibrnted by N.B.S., November 12, 1969. (3) U.C. Load Cell No. 0211, calibrated by N.B.S., April 26, 1971. e., O

s APPENDIX C

SUMMARY

OF LOSSES FOR CALCULATED LIFT-OFF I

SUMfMRY. 0F LOSSES FOR CALCULATFD LI FT-OFF 1977 (Third Year) SURVEILLANCE Rancho Seco Nuclear Generating Station, Unit No. 1 (All Forces in KlPS) RELAXATION LOSSES 1. Relaxation @ 46,000 hours @ 86*F = 3.00% (Thi rd Surveillance) -2.6% (Second Surveillance) Relaxation Losses f rom Second to Third Surveillance .40% =

2.

Relaxation @ 21,600 hours @ 86*F = 2.50% (Tendon H-114 replaced 4/15/75) -1.95% (Second Surveillance)

0. 5%

STRAND REMOVAL LOSSES Previcus Lif t-off x 54/55 (Tendons V-63-T, D-28-3D, L-28-4D) P revious Relaxation Reduction Calculated Tendon Li f t-o f f Loss Due To Li f t-off For Number 2nd Surveillance (0.4%) Strand Removal 3rd Surveillance H-10 (1) 1535 6 1529 H-10 (2) 1590 6 1584 H-25 (1) 1485 6 1479 H-25 (2) 1495 6 1489 H-114 (1) 1630

9 1621 H-il4 (3) 1600
g 1591 H-26 (2) 1565 6

1559 s H-26 (3) 1510 6 1504 H-50 (2) 1680 7 1673 H-50 (3) 1550 6 1544 H-115 (1) 1565 6 1559 H-115 (2) 1555 6 1549 l V-62 (T) 1550 6 1544 v-63 (T) 1485 6 27 1452 V-64 (T) 1550 6 1544 v.15 (T) 1550 6 1544 v-61 (T) 1485 6 1479 V-101 (T) 1600 6 1594 V-loi (B) 1550 6 1544 D-27 (1D) 1580 6 1574 D-27 (2D) 1540 6 1534 D-28 (3D) 1555 6 28 1521 D-28 (4D) 1620 6 29 1585 D-68 (50) 1590 6 1584 D-68 (6D) 1580 6 1574 0- 19 (l D) 1580 6 1574 D-19 (2D) 1620-6 1614 0-29 (30) 1610 6 1604 D-29 (40) 1600 6 1594 D-75 (50) 1600 6 1594 D-75 (6D) 1620 6 1614 2 .}}

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