ML20127B998
| ML20127B998 | |
| Person / Time | |
|---|---|
| Site: | Waterford  |
| Issue date: | 07/01/1977 |
| From: | J.A. JONES CONSTRUCTION CO. |
| To: | |
| Shared Package | |
| ML17198A241 | List:
|
| References | |
| FOIA-84-455 W-SP-16, NUDOCS 8506220113 | |
| Download: ML20127B998 (10) | |
Text
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t Procedure No. W-sP-16 .
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.EBASCO SEflVtCi* --
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J. A. J0!!ES CC:l';TnUCTic;1 CO WANY QUALITY
.. . ASSURANCE -
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ENGINEERING . ~ .
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PLACEMI*.NT 499503-19 .
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LNG l!JEEnlilG CONSTRUCTION QUALITY ASSURANCE V. ,,DATE REVICUED BY DATE REVIEUED SY DATE A P P R 0%F.'3- 4Y DATE s . 12-31-76 b. ..l',N.{s P .- /Y//?c P/{f)fu!/,or ,. a.y y 9' bw /* ] h i 1hil,, f9% 'liUn s.S M L . i -i1 -,,DirW <-i1 D 2 s d-77 @+:r fid,7 Wri #h 9 f& 4i34 r 3 5-23-77 H ?? kh > JhbA J 9. $ -
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8506220113 850222 '
PDR CARDE84-455 FOIA PDR N'* %ff *
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J. A. JONES CONSTRUCTION COMPANY
. PAGE 1 0F 5 SPECIAL PROCESS PROCEDURE NO.
W-SP-16 #
TITLE: REPAIR, INSPECTieN, DOCUMENTATION, AND VERIFICATION T 5 23-77 PA0 JECT TITLE: Waterford SES Unit No. 3I
'. SPECIAL PROCESS PROCEDURE 1.0 PURPr)SE < .
" The purpose of this procedure Is to establish guidelines for the repair, Inspection, documentation, and verification of Placement 499S03-19.
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2.0 SCOPE .
4 I This procedure shall govern the final repair, inspection documentation, and verification of Placement 499503-19 for final acceptance and further con st ruct ion.
3.0 REFERENCES
g 3.1 ACI-503, Guide f.or Use of Epoxy Compounds with concrete.
3.2 Adhesive Engineering Company Technical Bulletins Numbers AE-354/1,
, AE-408/1, and Speelfication Number AEMS 309. -
3.3 Nonconformance Report ' Number JAJ-W3-57 and Ebasco Services, INc. /
Nonconformance Report ' Number W3-93 and Supple,nent.
g 3.4 J. A. Jones Special Process Procedure W-SP-13. Revision 2'.
3.5 J. A. Jones Specia) 'rocess Procedure W-SP-1, Revision 2.
i 3.6 Ebasco Services, Inc. Specification LOU-1564 472, Section l'i, Latest Revision, " Concrete Placement, Curing, and Finishing". '
, 3 . 7' SlKA Chemical Com. pany Brochure for "Sikadur Epoxy Adhesives".
Rev.2 3.8 Ebasco Services, Inc. Letter No. F-16304, dated 5-12-77.
Rev.3 3.9 Ebasco Services, Inc. Letter No. F-16603, dated 5-23-77.
Rev.4 3110 Ebasco Services, Inc. Letter' No. F-17569, dated 6-28-77.
4.0 CEFINITIONS
'I 1
4.1 Engineer
Ehsseo Services, locorporated. *
,. 5.0 RESPONSISlLITIES 5.1 Ebasco Services, Inc, shall be respons!ble for documentation review
!\ and determining if verification is required.
5.2 J. ' A. Jones Construction Company shall be responsible for the coring, i
drilling, purchasing, receiving, and acceptance of grouting materials.
grouting operation, quality verification inspection, and documentation I
j for review tiy the Engineer, s
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.TITLC: MVPAlH. I El'Kirr f 0*l. OncutH:ttrAT]ON,,, Ayn ,ypt tr,T.C3HO'j ... .. ILEV. H0. 3 or er '.ct:n: rr r.9enowi9 - . .
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PROJCCT TITI.C: l'nterford SES Unit f 3 '
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5.3 .l.'A.
Jones aball have i qualified supervisor'present during all grouting opernrinnn who *ihnli be in recpuncLbic charge of the work.
6.0 flA l EQAl, OUA,1,I FJ CATio!!
- The grouting material , Concressive 13Rn*,' :holl /ncet the requirements of -
Itufurence 3.4, J. A. Jones Special Process Procedurc W-SP-13. Revision 2, Paragraphs 6.6 and 6.7.
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"~7.0 REPA1R SEnUEnct ."
, ..x 7.1 The repair work will be performed as follows or as directed by the Engineur.
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7.1.1 Chip the surface of the placement to the top mat of reinforcing stcol in accordance with Section 8 of this procedure.
7.1,2 Drill 2" diometer cored Rrout holes on a 2' x.3' grid in accordance .
with Section 9 of this procedure. , ,e 7.1.3 Crnut procedure.
2" diameter cored holes in accordance with Section 10 of this 7.1.4 Verifyanddocument'the'rdinaly'as'directedrbytheEngineer. '
Addendum #1 to this procedure shall be written and ppproved aft'er the grouting operation is completed. Addendum fl.,shall contain all ;
verification requirements. *
- 7.1.5 Cadwcld and repair damaged resteel in accordance with J. A. Jones '
Special Process Proceduru W-SP-1 Refcecnce 3.5, and Section 12 of '
this proceduro.' ..
.I Rev. 2 '
7.1.6 Repalr of abandoned core holes because. of obstructions.
Rev. 3 7.1.7 Repalr of all grounding cables. ',
Rev. 3 7.1.8 RePeir or replace all miscellaneous resteel .
- Rev. 2 7.1.9 The chipped area shall be cleaned arid Inspected then coated with .
- SlKA H-Mod epoxy, Reference 3.7, and a topping of 4000 PSI Class AA concrete applied and finished in accordance with Reference 3.6. t 8.0 REMOVAL OF SURFACE CONCRETE i
8.1 The surface of the area to be grouted shall be chipped and cleaned to the top mat of reinforcing steel exposing both mats of #11 bars. The area to .
be chipped and cleaned shall be bounded by the following lines running
- parallel to existing column lines.
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J. A. J0flCS C0ljSTituCTicfl C0frAllY .
PAGE 3 0F 5 SPECIAL PROCESS PROCEDURE
- W-SP-16 **
TITLE: REPA IR, INSPECT 10ffAC0&lEN7ATl0N, AND VERIFICATION REV. fl0. 3 Or P!_ACDMNT LMSM- so r,DATE 5.g3 77 PROJECT TITLE: WATERFORD SES UNIT #3
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8.1.1 South Edge: 6i" South of Column Line H.
8.1.2 North Edge: 16' North of Column Line H. ,
.8.1.3 West Edge: 7'6" West of Columrt Line 10A Along the Existing Construction Joint.. , - 4 8.1.4 East Edge:
8' East of Column Line llA.
8.2 Care shall be taken not to da'rrage existing embedments and reinforcing steel.
Damaged materials shall be repa' ired or replaced as directed by the Engineer.
9.0 CORING OF GRollT HOLES .' .
9.1 A two (2) foor by thre' e (3) (oot grid of grout holes shall be layed out In the exposed area conforming to Attachment A. Locations may vary due to the interferences,il.ei steel, plates, etc. '
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9.2 T.e (2). Inch diameter cores shall be drilled at all locations. The depth ,,
of cores shall be three (3) feet at the south edge increasing in depth by six (6) inches for every two (2) feet increment north of the south edge-of the chipped area. See Attachment A. - . .
Rev. 9.3 If an interference is encountered, drilling shall cease at this location 2
and a new location .shall be chosen by the supervisor in charge and con.
concurred' with by the Engineer. Repair in accordance with Section 11 of this procedure.
9.4 Cores shall be numbered, logged, and stored for future reference.
9.5 Core holes shaJ1 be cleaned and protected until grouting begins.
10.0 GROUTING 10.1 The Material and Equipment Checklist. Attachment 8, shall be completed l
by quality Verification personnel before proceeding. -
10.2 A minimum operat lon. of four injection machines shall be on hand for the grouting ,
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10.3 Complete Part."A" of the inspection Checklist, Appendix C, for each injection hole before grouting begins.
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UllC'; C0ll*,THIF f1011 ~C0fIl@NY ; f T .'7 $2P553.~0 C _.. '
SP,CCIAI. Pit 0CL55 PROClinnti: NO.
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G. t3ATC 5-2 -77. - -
Pfl0 JECT TITLC: 11aturford sE:i Ifnit. #'l m . .
10.4 Start grouting along the northern cdne of the chipped arca. The initial grout10A.
Line hole shall be located appenximartily four (4) feet went of Column Every other holc in the car.t-went direction shall be injected unti!.
lyin;; refur,a1 south. of !!!O PSI or grout in observed in the next rnw of holes' If grout is observed intholes betwcon machines, cast-west,,
direction, anr.regate shall. hn added ns nee _ded.--When aggrensec-level -- -
reaches a point requiring installation of a packer, install packer .. .
1 caving the vent open until grout is observed flowing out of the vent.
10.5 When refusal is reached, Quality Verification shall complete Part "B" of the Inspection Checklist, Appendix C. "'
10.6 been Grouting grouted. shall continue until at least one-fourth (Ic) of the arca has been grouted. Grouting may cease af ter one-fourth '(h) of the area'has ', ' '
a 10.7 If grouting was stopped, proceed the following work day .as..o.uclined .above :!'
untf1 all grouting is accomplished. -
R-2 11.0 REPAIR OF ABANDONED CORE HOLES BECAUSE OF OSSTRUCTION ,8 R-3 11.1 For Lore holes 24' and deeper epoxy pressure grouting shall be performed.
The grouting material', Concressive 1380, shall meet the requirements of Paragraphs 6.6 and 6.7 of J. A. Jones Procedure W-SP-13 (Rev. 2). Grout-Ing shall being commence injected until in the northern refusal of 180holes
- and proceed southward with grout ,
15 ps! Is attained for f t've minutes.
If grout is observed in any other core holes comply with Paragraph 10.l+ .
l of J. A. Jones Procedure W-SP-I6 (Rev. 2). Since obstructions were encountered in each of the core holes, to prevent flow of pressured epoxy along the obstruction, place a small amount of aggregate and epoxy ,
g over 9 routing, the obstruction and allow it to harden prior to start of pressure ,
R-3 11.2 k
'l For core holes 24' and less, coat with neat coat of Sika-Dur-H1 Mod Epoxy
' mix and applied in accordance with manufacturer's reconsnendations. Back- ;'
pour using " Class F Mortar" In layers. ,, Rod or vibrate as required to j consolidate. ~~
R-3 ,
11.3 Core Hole No. J-l'3 sha11 noth grouted at this time and shall remain open until repairs ~ are^ directed by the' Engineer. 'When final surface :
repairs.are released ' ' ' for
~ ' ' 'Block
' ' " ' ' ' ' 19, a , blocks.out for this core hole shall k Instal kd. '
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l R-2 12.0 VERIFICATION .
k; R-2 12.1 After grouting is completed, the Engineer shall review the operation and determine the verification required. At this time Addendum #1 shall be l written and approved for verification of the repair.
R-2 12.2 Section 13 of this procedure shall not be completed until the verification is accepted by the Engineer. After acceptance of the verification the surface shall be repaired. , 1
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J. A. JONES CONSTRUCTluff COMPANY PACE 5 0F 5 SPECIAL PROCESS PROCEDURE PROCEDURE NO.
w-SP- b, T ITLE ** REPA lR, INSPECTION, DOCUMENTATION, AND VERIFICATION REV. NO. 3 OF PLACEMENT 499503-19 & DATE S-23-77' PROJECT TITLC: WATERFORD SES UNIT NO.'3
<' 13.0 SURFACE REPAIR' 13.I After' verification is completed, the chipped area shall be inspected for damaged materials. Appropriate documentation shall be initiated for the repair of damaged materials.
13.2 Cadwelding around Columns H10A and Hila shall' be completed in accordance with W-SP-1 Reference 3.5.
13.3 After all damaged materials are repaired, saw cut t he edges of the chipped out areas in accordance with Attachment D. The surface of the chipped area shall be cleaned and free from standing water, then coated with-a neat coat of SIKA Hi-Mod epoxy mixed and applied per manufacturer's requirements. Due to the characteristics of the epoxy, only part may be resurfaced at any one time. J. A. Jones quality Verification shall . verify the acceptance of all materials as to
, shelf life, mixing..and app]Ication.
required elevation. F,Inish and cure as required by approved construction .
drawings and specificat.lon.s..' _ , __ ,
-2 14.0 INSPECTION . '/'
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14.1 J. A. Jones' Quality Verification personnel shall be responsbile for all documentation required'by this procedure.
14.2 J. A. Jones' quality Verification shall complete the applicable appendixes during the grouting operations.
14.3 quality Verificatioi, personnel during the grouting operations shall inspect
, surrounding cores for influence of grout.
14.4 Any direction received.from the Engineer during the completion of the repair shall be documented by quality Verification personnel, signed, and dated by the directing Engineer.
-3 15.0 ATTACHMENTS ,
t .
15.1 Attachment A: Grout Hole 1.ocations 15.2 Attachment B: Material and Equipmeit Checklist t
15.3 Attachment C: Inspection Checklist 15.4 Attachment D: Sketch of Saw Cut Edges 4
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ATTACHMENT B
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WATERFORD SES UNIT #3 PAGE 1 0F 1 MATERIAL AND EQUIPMENT CHECKLIST REV. 4 Materials As Recuired ,
ACCEPT REJECT Washed and Dried bagged aggregate Concressive* 1380 epoxy grouting material h' tubing with Certification plug setting material t' packing gland fittings for h' tube Rubing connectors h' tubing to quick connect quick disconnects Materless hand cleaner Eculpment As Required Packers with vents and entry port for 2' and 4" diameter Grouting machines with mixing heads Flashlights with bulbs and batteries Vacuum Cleaner Power outlets connected to one source with equal back up ,,
system connected to independent source with tag to "D0 NOT DISCONNECT WITHOUT NOTIFYING J. A. JONES SUPERVISOR LOCATED ON PLACEMENT 198 ,
Air source _
0 to 200 PSI minimum pressure gauges with Certification Portable light stands with lights Barrier rope with AUTHORIZED PERSONNEL ONLY signs Tubing cutter Inspected by:
Time and date:
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W-W -16. Re.Inien 0 6-Crout llolu * ' * * "
'J. A. .iONP.5 COH.;T1:l!GTTON (2GIPANY tjaTr.RF01:0 SI:S IINIT #3 .
INSPECTION CTIECKLIST . I '. r. --*.~ ; -
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ACCEPT RE.IECT
- 1. Material and Equipiept Checklist
- 2. Area Chipped and Cle.ined
- 3. Hole Clean -
- 4. Grout Tube Installed -
- 5. Grout Hole Filled witlt Aggregate * ~'
- 6. Packer Installed - - - - - -
- 7. Ffreing Installed ,
INSPECTOR: .
SHIFT: DATE:
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PART B .
Estimated Time of Pump,ing ,.
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Estimated Quantity of Epoxy Injected '
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INSPECTOR:
SilIFT: ._ DATE:
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