ML20127B943

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Addendum 3 to Rev 0 to Special Process Procedure W-SP-13, Repair,Insp & Documentation of Basemat Foundation Beneath Columns H10A & H11A Lying on Placement 19
ML20127B943
Person / Time
Site: Waterford Entergy icon.png
Issue date: 10/25/1976
From:
J.A. JONES CONSTRUCTION CO.
To:
Shared Package
ML17198A241 List: ... further results
References
FOIA-84-455 W-SP-13-ADD-03, W-SP-13-ADD-3, NUDOCS 8506220097
Download: ML20127B943 (9)
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) j Procedure No. W-SP-13 l l

l J. A. JONES CONSTRUCTION COMPANY p i SPECIAL PROCESS PROCEDURE .

FOR

' REPAIR, INSPECTION AND DOCUMENTATION OF THE BASE MAT FOUNDATION BENEATH COLUMNS H10A AND Hila  ;

LYING ON PLACEMENT 19  !

ADDENOUM N 0, 3 WATERFORD SES UNIT NO. 3 I CONTRACT NO. W3-NY-4 l s

ENGINEERING CONSTRUCT 10Ng . QUALITY ASSURANCE REV. DATE REVIEVED BY DATE REVlEVEbBY // DATE %PPREVED ET DATE O lolMl% WO to}tf}26 . du w /d id 't( A n -

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.. . J. O JONES CONSTRU': TION COMPANY I PAGE I 0F 3 SPECIAL PROCESS PROCEDURE

  • W-SP-13 *'

REPAIR, INSPECTION AND DOCUMENTATION OF THE BASE MAT 0 REV NO. '

" FOUNDATION BENEATH COLUMNS H10A AND Hila LYlNG ON PLACEMENT & DATE 10/25/76 19 --

PROJECT TITLE: WATERFORD SES UNIT Nd. 3 CONTRACT NO. W3-NY-4

. ADDENDUM NO. 3

  • 1.0 GENERAL .

1.1 Verification core holes produced by. verification coring in accordance with W-SP-13, Addendum No. 2, shall be grouted using Adhesive Engineering Concressive 1380 per Section 2 of this procedure. ,

1.2 Inspection and Jocumentation shall be performed in accordance with Section 3.0 of this procedure.

1.3 A checklist, Appendix A, agreed to by the Engineer, of all material and equipment required for accomplishment of the work, set forth in this procedure shall be initiated and checked off prior to beginning any grouting operation.

2.0 GROUTING - 3

-~ Grout holes shall .be prepared as follows and documented on Appendix 8. . i*

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2.1 Prior to start of work, all. holes sha'll be cleaned by vacuuming all debris and free standing water.

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2.2 Install a 1/4" grout tube to a depth approximately 6" from the bottom of the hole. ,

--~2.3 , Pour approved aggregate loosely into the hole to an elevation to allow setting of packer. .

2.4 Install the mechanical packer with vent and connect.to 1/4' grout tube. *

--- 2'.5 Install quick disconnect to grout tube. -

i 2.6 A minimum of three injection machines shall be on hand for the grouting operation.

2.7 Start the grouting operation at the East side of Column ' Hila.

Observe all holes for influence of grout. If grout is observed entering another hole, prepare hole for grouting and start grouting with second machine. If grovt is observed flowing into other holes, add aggregate to hole as influence of grout requires. Continue pumping these holes until refusal at 180 PSI. Continuously observe all

  • l holes and add aggregate as required. When aggregate level reaches -

a point requiring Installation of packer, then Install packer, leaving

- vent open until all air escapes, then close vent. When any hole which

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' 2 J. A. JONES CONSTRUCTION COMPANY PAGE 2 0F 3 g .

SPECIAL PROCESS PROCEDURE "'

SP-13

  • REPAIR, INSPECTION AND DOCUMENTATION OF THE BASE MAT FOUNDATIC
  • N REV. NO. 0 TITLE
  • BENEATH COLUMNS H10A AND Hila LYING ON Pl.ACEMENT 19 10/25/76
8. DATE PROJECT TITLE: WATERFORD SES UNIT NO. 3 CONTRACT NO. W3-NY-4

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is being pumped reaches refusal, i; hen proceed to the next hole designated and prepare for grouting. Begin grouting when directed by the J. A. Jones Engineer. Continue grouting from north to south in accordance with above procedure until all holes in Column Hila are grouted.

  • 4 2.8 Start the grouting operation at the east side of Column H10A. Observe ,

all holes for influence of grout. If grout is observed entering another hole, prepare hole:for grouting and start grouting with third machine. If grout is observed flowing into other holes, add aggregate to hole as influence of grout requires. Continuously observe all holes and add aggregate as required. When aggregate level reaches a point requiring Installation of packer, then install packer, leaving

$'h 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 and prepare for grouting. Begin grouting when directed by the J. A.

  • Jones Engineer. Continue grouting from north to south in accordance with above procedure until all holes in Column H10A are grouted.

3.0 INSPECTION -

3.1 J. k. Jones' quality Verification personnel shall be responsible for ',

all ?=m.tation required by this procedure.

3.2 Quality Verification personnel shall complete Material and Equipment

  • Checklist, Appendix A, and Inspection Checklist, Appendix B, before any grouting operation begins.

- 3.3 Quality Verification personnel shall complete the observation of Grout Flow Checklist Appendix D as the grouting operation progresses. '

3.3.1 All holes in a twenty foot (20') radius of the grouting operation shall be Ins,)ected a maximum of every ten (10) minutes for evidence of grout influence. If grout is evident, the J. A. Jones Engineer shall be informed and he shall determine if aggregate is to be added.

3.4 Any direction received from the Engineer shall be documented by the quality Verification personnel, signed, dated with the time by the directing Engineer.

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, J. I' JONES CONSTRUCriON COMPANY PAGE 3 0F3 SPECIAL PROCESS PROCEDURE O M RE NO.

W-SP-13 #

TITL(:EPAIR, INSPECTION AND DOCUMENTATION OF THE BASE MAT FOUNDATION REV NO. 0 '

3 BENEATH COLUMNS H10A AND Hila 1.YING ON PLACEMENT 19 t,DATE 10/25/76 -

i PROJECT TITLE: WATERFORD SES UNIT NO. 3 CONTRACT NO. W3-NY-4

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! 3.5 The Authorized Personnel Roster, Appendix E, shall be maintained by the Quality Verification personnel and persons not ilsted as authorized persons for that date and shift, shall be accounted for on the Mat 1 prior to beginning the work. This is required due to conjestion of '

i work area and the amount of document'ation necessary to complete this - 1 operation. , -

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3.6 Each injection machine shall have tw (2) check valves in line between the pump and mixing head. One to be located at the mixing head and i

one at the pump. Each line shall have a pressure gauge between the j pump and the first check valve.

J. A. Jones' quality Verification  !

personnel shall monitor the pressure gauges to asrure comparable pressure on each line to the mixing head. If different pressures are observed, the pumping shall be stopped imediately, and the, problem ,

, with the equipment solved by repair of equipment or using another pump.

37 At the start of pumping with each pump and at ten (10) minutes.,

Intervals, collect a sample of epcxy material from the mixing h'end and document by noting the time and machine number on each paper drinking - .*

{ cup used. These samples shall be observed and if the epoxy meterial j

' does not set as specified by the manufacturer then stop the pumping operation of that, pump Imediately. The pump may be put back in service after correction of mixing ratio. The samples shall be stored and maintained as directed by the Engineer.

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i 4.0 VERIFICATION .#

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  • This completes the repair of the Base Mat under Columns H10A and Hila l

and no verification is required.

5.0 APPENDIX 4 .

, 3.1 Appendix A, Material and Equipment Checklist i 5.2 Appendix B, inspection Checklist l .

5.3 Appendix C, Observation of Grout Flow Checkilst j(

5.4 A ,,endix 0, Authori..d ,e, sonnei Rost.,

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W-SP-13 ADD. NO. 3

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A. JONES CONSTRUCTION COMPAN'i

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WATERFORD SES UNIT NO. 3 MATERIAL AND EQUIPMENT CHECKLIST

' MATERIALS: ACCEPT REJECT 75 lbs. washed and dried begged aggregate

. 75 gals. of Concresive* 1380 epoxy grouting material 100 ft of 1/4' tubing with certification 101/4' packing gland fittings for 1/4' tube 10 tubing connectors 1/4' tubing to quick connect 10 quick disconnects ' -

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waterless hand cleaner ~

EQU lPMENT

.10 pockers with vents and entry port for W' diameter grout hole ,

4 3 grouting machines with mixing heads 6 flashlights with bulbs and batteries 12 each power outlets connected to one source with equel back up system connected to independent source with tag "00 NOT DISCONNECT WITHOUT NOTIFYlNG J. A. J0NES ENGINEER LOCATED ON PtACEMEffT 19' -

water supply from two independent sources with tags "00 NOT DISCONNECT WITHOUT NOTIFYING J. A. J0NES ENGINEEli LOCATED ON PLACEMENT 19' air source from two independent sources with tags "D0 NOT DISCONNECT WITHOUT NOTIFYING J. A. JONES ENGINEER LOCATED ON PIACEMENT 19' 12 0 to 300 PSI pressure gauges with Certification

! 2 brooms 3 portable' light stands with lights '. ~

l air hose to quick disconnect fitting

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APPENDlX A

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q W-SP-13 ADD. NO. 3 s .

J J MATERIAL AND EQUIPMENT CHECKLIST (continued) barrier rope with AUTHORIZED PERSONNEL ONLY signs protective glasses for all personnel _

1 gang box with lock

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INSPECTED SY:

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W-SP-13 ADD. NO. 3 l' n p J7 A. J0NES CONSTRUCTION COMPANY .. ' li WATERFORD SES UNIT NO. 3 i l

lNSPECTlON CHECKLfST  !

ACCEPT REJECT l.

1. Material and Equipment Checklist -

2.. Holes clean ,

3. Grout tubes installed 4 Grout holes filled with aggregate
5. Packer installed
6. Fitting installed INSPECTOR:

SHIFT: DATE:

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AUTHORIZED PERSONNEL ROSTER Date:

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