ML20127B916

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Addendum 1 to Rev 1 to Special Process Procedure W-SP-13, Repair,Insp,Documentation & Verification of Basemat Foundation Beneath Columns H10A & H11A Lying on Placement 19
ML20127B916
Person / Time
Site: Waterford Entergy icon.png
Issue date: 10/07/1976
From:
J.A. JONES CONSTRUCTION CO.
To:
Shared Package
ML17198A241 List: ... further results
References
FOIA-84-455 W-SP-13-ADD-01, W-SP-13-ADD-1, NUDOCS 8506220091
Download: ML20127B916 (11)
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~.. r Procedure No. W-SP-33 J. A. JONES CONSTRUCTION COMPANY SPECIAL PROCESS PROCEDURE , .

FOR REPA IR, INSPECTION, DOCUMENTATION AND VERIFICATION OF THE BASE MAT FOUNDATION BENEATH COLUMNS H10A AND Hila LYING ON PLACEMENT 19 5

[r A0DENDUM N O. I WATERFORD SES UNIT NO. 3 CONTRACT NO. W3-NY-4 ENGINEERING CONSTRUCT 10N REV.

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J. n. JONES CONSTRUCTION COMPANY PAGE 1 0F 4 SPECIAL PROCESS PROCEDURE OCEDURE Np.

W-SP-13 ADD. #1 REPA IR, INSPECTION, DOCUMENTATION AND VERIFICATION OF THE T ITLE *- REV NO. 1 '

BASE MAT FOUNDATION BENEATH COLUMNS H10A AND Hil A LYING ON & DATE 10/7/76 - -

PLACEMENT 19 .

PROJECT TITLE:

WATERFORD SES UNIT NO. 3 CONTRACT NO. W3-NY-4 ADDENDUM NO.1 -

1.0 GENERAL 1.1 Verification core holes shall be 2" or 4' In diameter,as directed by i

the Engineer, and shall be drilled at or as near as possible to those locations on Attachments A'l and A2 to this Addendum. .

1.2 After cores are removed, visual inspection of both the core sample and the core hole shall be perfomed. Any volds, fractures, etc. shall be noted and documented.

1.3 One 4' core from each column shall be cut, capped and compressive i

test run on it to determine Integrity of grouting operation. Acceptable i , compressive stren,gth shall be a minirWum of 4000 PSI. '

l.4 Based upon inspection of cores and core holes, additional core holes '

shall be drilled, if required, and, as directed.by the Engineer. The additional core holes shall be located by J. A. Jones' Quality

! Verification personnel on Attachment "A" and become a part of the ,

i' final documentation.

1.5 After cores are removed, visually inspect both the core and the core hole and document any voids, fractures, etc. .

l.6 Upon completion of the verifica'tlon coring and Inspection, the veri-

  • j fication core holes shall be grouted as follows.

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1.7 A checklist, Appendix A, agreed to by the Engineer, of all material and j equipment required for accomplishment of the work set forth in this '

procedure shall be initiated and checked off prior to beginning any jlt grouting operation.  !

6 1.8 Grout holes shall be prepared as follows and documented on Appendix 8.

l.8.1 Prior to start of work, all holes shall be cleaned by

, vacuuming all debris and free standing water.

I 1.8.2 Install a 1/4' grout tube to a depth approximately 6" from the bottom of the hole.

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1.8.3 Pour approved aggregate loosely into the hole to an
  • elevation to allow setting of packer.

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l.8.4

! Install the mechanical packer with vent and connect -

l to l/4' grout tube.

l.8.5 Install quick disconnect to grout tube.

1 i

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m J. a. JONES CONSTRUCTION COMPANY PAGE 2 0F 4 SPECIAL PROCESS PROCEDURE

  • W-SP-Il A DD. #1 TITLE ** REPAlR, INSPECTION, DOCUMENTATION AND VERIFICATION OF THE REV NO. I
  • BASE MAT FOUNDATION BENEATH C01.UMNS N10A AND HIIA LYING ON 8. DATE 10/7/76 - -

PLACEMENT IS -

PROJECT TITLE: WATERFORD Sil5 UNIT NO. 3 CONTRACT NO. W3-NY-4 l 1.9 Grouting shall be performed in accordance with Section 2.0 of this '

i Addendum using Concresive* 1380 material.

1.10 inspection and documentation shall be performed in accordance with Section 3.0 of this procedure, t i 1.11 Verification cores shall' be taken, documenked and tested in accordance

  • I

' with Section 4.0 of this procedure.before further construction on subject columns may proceed. ,

2.0 GROUTING j 2.1 A minimum of four injection machines shall be on . hand for the grouting operation.

2.2 Start the grouting operation at the northern corner of Column Hila.

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Observe all holes for influence of grout. If grout is observed entering.another hole, prepare hole for grouting and' start grouting 1' with second machine. if grout is observed flowing into other holes, ,

l add aggregate to hole as influence of groot requires. Continue

  • 4

, pumping these holes until refusal at '180 PSI. Continuously observe i

all holes and add aggregate as required. When aggregate level reaches j

a point requiring' Installation of packer, then install packer, leaving vent open until all air escapes, then close vent. When any hole which

is being pumped reaches refusal
  • then proceed to the next hole designated ,

j .. and prepare fer grouting. Begin grouting when directed by the J. A.

Jones Engineer. Continue grouting from north 'to south in accdrdance

' with above procedure until all holes in Column Hila are grouted.

j 2.3 Start the grouting operation at the northern corner of Column Hl0A. .

j Observe all holes for Influence of grout. If grout is. observed j

' entering another hole, prepare hole for grouting and, start grouting with third machine, if grout is observed

  • flowing into o,ther holes, add aggregate to hole as influencT of grout requires. Continuously observe j all holes and add aggregate as required. When aggregate level reaches i

' a point requiring Installation or packer, then install packer, leaving vent open until all air escapes theo close vent. When any hole which l Is being pumped reaches refusal, then proceed to the next hole designated

and prepare for grouting. Begin grouting when directdd by the J. A.

Jones Engineer. Continue grouting from north to south in accordance i

with above procedure until all holes in Column Hl0A are grouted.

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6 J. A. JONES CONSTRUCTION COMPANY PAGE 3 0F 4 SPECIAL PROCESS PROCEDURE

  • W-SP-13 ADD. #1 #

REPA IR, INSPECTION, DOCUMENTATION AND VERIFICATION OF THE REV. NO. I TITLE'ri.m.cntnBASE MAT i ay FOUNDATION BENEATH COLUMNS H10A AND Hila

& DATE LYING ON 10/,7/76 *

! PROJECT TITLE:

WATERFORDSEhUNITNO.3 CONTRACT NO. W3-NY-4 3.0 INSPECTION 3.1 J. A. Jones' quality Verification personnel shall be responsible for all documentation required by this procedure. -

3.2 quality Verification personnel shall complete Material and Equipment -

Checklist, Appendix A, and inspection Checklist, Appendix 8, before any grouting operation begins.

3.3 quality Verification personnel shall complete the Observation of Grout Flow Checklist, Appendix 0, as the grouting operation progresses.

3 3.1 '

All' holes in a twenty foot (20') radius of the grouting operatlori shall be Inspected a maximum of every ten (10)

, minutes for evidence of grout in fluence. If grout is ,

  • evident, the J. A. Jones Engineer shall be informed and
he shall detemine if aggregate is to be added. *
3.4 Any direction received from the Engineer shall be documented by i

the Quality Verification personnel, signed, dated with the time by the directing Engineer. ,

! 3.5 The Authorized Personnel Roster, Appendix E, shall be maintained by the quality Verification personnel and persons not listed as authorized e persons for that date and shift, shall be required to leave. All l persons listed as authorized personnel shall be accounted for on the

  • l , Mat prior to beginning the work. This Is required due to conjestion of work area and the amount of documentation necessary to complete i

this operation.

l 4.0 VER IFICATION i

i 4.1 After review of grouting operation documentation, the Engineer shall determine the number and location of verification cores. After this decision is reached, Addendum No. 2 to this procedure shall be written

  • and apprwed for verification of the repair. ,

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J. a. JONES CONSTRU': TION COMPANY PAGE 4 0F 4

$PECIAL PROCESS PFCCEDURE OCEDURE NO.

J-SP-13 A3D. #1 REPA l R, INSPECTION, DOCUMENTATION AND VERIFICATIL?L OF THE

  • TITLE: REV. NO. I BASE MAT FOUNDATION BENEATH COLUMNS H10A AND Hila LYING ON t, DATE 10/7/76 -

Pl.ACEMENT 19 --

PROJECT TITLE: WATERFORD SIS UNIT NO. 3 CONTRACT NO. W3-NY-4 1

5. 'O' APPENDIX 5.I Appendix A. Material and Equipment Checklist 5.2 As.pendix 8, inspection Checklist

, 5.3 Appendix C, Observation of Grout Flow Checklist ' '

5.4 Appendix 0', 4uthorized Personnel Roster - I 6.0 ATTACHMENTS ,

.1 6.1 A-1 j 6.2 A-2 ,

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  • ~' APPENDlX A

. f'N. W-SP-13 ADD. #1

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. J. A. JONES CONSTRUCTION COMPANY WATERFORD SES UNIT NO. 3 MATERIAL AND EQUIPMENT CHECKLIST MATER IALS: ACCEPT REJECT 200'Ibs. washed and dried begged aggregate 200 gals, of Concresive* 1380 epoxy grouting material 100 ft of I/4' tubing with Certification 50 lbs Sikadur Set Plug 251/4' packing gland fittings for 1/4' tube 25 tubing connectors 1/48 tubing to quick connect 20 quick ~ disconnects waterless hand cleaner

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EQUIPMENT:

15 packers with vents and entry port for T' and 4' diameter ,

grout hole '

4 grouting machines with mixing heads 6 flashlights with bulbs and batteries 1 12 each power outlets connected to one source with equal back up system connected to independent source with tag "D0 NOT DISCONNECT WITHOUT NgTIFYlNG J. A. JONES ENGINEER LOCATED ON PLACEMENT 19' water supply f rom two independent sources with tags "D0 NOT DISCONNECT WITHOUT NOTIFYING J. A. JONES i ENGINEER LOCATED ON PLACEMENT 19' air source from two independent sources with ta'gs .

"00 NOT DISCONNECT WITHOUT NOTIFYING J. A. JONES ENGINEER LOCATED ON PLACEMENT 19' 12 0 to 300 PSI pressure gauges with Certification 2 b, rooms 3 portable light stands with lights 1 air hose to quick disconnect fitting *

. _ APPENDIX A

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W-SP-13 ADD. #1

. MATERIAL AND EQUIPMENT CHECKLIST (continued) barrier rope with AUTHORIZED PERSONNEL ONLY signs ,

protective glasses for all personnel I gang box with lock tubing cutter and flaring tool and reamer INSPECTED BY:

TIME /DATE:

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W-SP-13 ADO. Cl

. J. A. JONES CONSTRUCTION COMPANY l WATERFORD SES UNIT NO. 3  !

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