ML20081A993

Forwards Independent Assessment of Underpinning Weekly Rept 70 for 840115-21

ML20081A993
Person / Time
Site:	Midland
Issue date:	01/25/1984
From:	Lucks A STONE & WEBSTER, INC.
To:	Cook R NRC
Shared Package
ML20081A941	List: ML20081A963 ML20081A974 ML20081A981 ML20081A993 ML20081A995 ML20081B003 ML20081B006 ML20081B009
References
NUDOCS 8403060423
Download: ML20081A993 (14)

Text

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STONE & WEBSTER MICHIGAN, INC.

P.O. Box 2325. Boston. M AssAcHusETTs 02107 United States Nuclear Regulatory Commission Jaruary 25,1984 Midland Site Resident Office Route 7, J.O. No. 14358 Midland, Michigan 48640 Ref. MPF 70 Attention: Mr. Cook DOCKET NO. 50-339/330 MIDLAND PLANT UNITS 1 & 2 INDEPENDENT ASSESSMENT OF UNDERPINNING REPORT NO. 70 A copy of the Independent Assessment of Underpinning Weekly Report No. 70 for the period of January 15, 1984 through January 21, 1984 is enclosed with this letter. Included as attachments are the minutes of the daily meetings held during the week between members of the Assessment Team and Site Engineering, Construction, and Quality Assurance personnel.

If you have any questions with respect to this report please contact me at (617) 589-2067.

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A. Stanley Lucks Project Manager Enclosures ASL/pd 8403060423 040301 gDRADOCK 05000329 L.

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- J.O. Nc. 14358 Midland Plant Units 1 & 2 Independent Assessment of Underpinning

,eekly W Report No. 70 January 15, 1984 through January 21, 1984 Personnel on Site Stone & Webster Michigan, Inc.

l P. Majeski 1/17 - 1/21 D. Benvie 1/17 - 1/20 R. Lykens 1/17 - 1/21 J. Springer 1/15 - 1/17 L. Rouen 1/15 - 1/17 W. Kilker 1/15 - 1/17 Parsons Brinckerhoff, Michigan

J. Oliveira 1/17 - 1/ 21 Meetings Attended Date Represented Purpose 1/16 - 1/20 Stone & Webster Daily Assessment Bechtel Team Meeting Consumers Power Parsons 1/16 Bechtel Weekly Inter-Consumers Power organizational Stone & Webster Meeting 1/17 Consumers Power FCR/FCN Resolution Stone & Webster Status Meeting Underpinning and Remedial Soils Activities - Construction The Stop Work Order affecting soils work was lifted on January 19, 1984, following the satisfactory result of the Stone & Webster review of the Phase III FCR/FCN Resolution activities. Training and other preparatory work is being performed prior to resumption of physical work in the field. Rejacking of the W8 grillage was performed to reduce the differential settlement between the EPA and Control Tower. The crack mapping and engineering survey of cracks in the Auxiliary Building continued.

Assessment Team Observations Concerns related to document control systems and procedures identified in a CP Co Management Corrective Action Request / Report and also expressed in a Stone & Webster (CIO) report were responded to by Consumers Power . The -

response addresses two primary issues, namely,- the complexity of the control system and recurring clerical errors during the distribution process.

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J.O. No. 14358 Midland Plant Units 1 & 2 Independent Assessment of Underpinning The planned implementation of a computerized document control register and reduction in the number of controlled stations will simplify the document control system significantly. Additional checking of the files, staff reorganization and training, procedural changes and improved communications should significantly reduce clerical errors. The Assessment Team believes that these changes will improve the document control process.

Work Activity Packages The following Work Activity Package overviews are in the open response stage or have been completed during the past week.

WAP No. Title Status 71 SWPS-Thru Anchor Open Bolt Holes Nonconformance Identification Reports The following Nonconformance Identification Reports (NIR's) remain open or have been closed during the past week.

NIR No. Description Date (Opened ) (Closed) 20 Concrete Admixture 12/1/83 Dispenser Calibration Open Items

! Items discussed during meetings are categorized as follows:

OPEN ITEM - An item for which an action is required. The item will remain open until the required action has been taken. Tracking is required.

CLOSED ITEM An item, usually brought forward by the Assessment Team, that 1 is discussed and adequately responded to. No tracking is required.

i' INFORMATION ITEM - An item, brought forward to provide general background information regarding work, such as work status or an upcoming design change.

i No tracking is required.

4 OPINION ITEM - An opinion or suggestion, given by the Assessment Team' expressing an alternate construction or quality assurance technique. The.

opinion or suggestion is given as a possible alternate that may facilitate i an operation.

CLOSES ITEM -XX-XX - This notation identifies an action that closes a previously identified open ites. Tracking of the open item stops.

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J.O. No. 14358 Midland Plant Units 1 & 2 Independent Assessment of Underpinnins The following is a listing of all Open items from the Daily Meeting Notes with Bechtel, the Weekly Meeting with MPQAD or the text of Weekly Reports.

Carry-over items from past weeks which have been Closed this week are also listed.

Item No. Description Closure WR 54, Pg. 3 Weld Tech Sheets Open 57-17 Wall Ties open WR 58, Pg. 2 Lack of Drawing Open References 58-3 Tubular Steel Open Lagging 64-7 QAP Review Program Open 64-10 Trend Analysis Open WR 64, Pg. 1 US Testins Open Corrective Action 65-19 Review of Phase III 70-16 SWO Resolution 66-50 Request for IR Open Distribution 69-15 Alert Level Cracks 70-2 69-19 Alert Level Cracks 70-2 70-2 Review of Crack Mapping Open Programs 70-6 Close Out of Lessons Open Learned Action Items 70-21 Document Transmittals open Project Manager h ,

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Notes of Daily Meeting Independent Assessment of Underpinning i Midland Plant Units 1 & 2

! Consumers Power Company Held at Midland Site Midland, Michigan January 16, 1984 Present For:

Consumers Power Bechtel MPQAD Stone & Webster G. Murray J. Fisher J. McMaster W. Kilker E. Cviki J. Springer J. Gaydos Parsons None PURPOSE This meeting is held each day to discuss items regarding the Independent Soils Assess =ent at the Midland Plant Units 1 & 2. .

DISCUSSION Status Item Item 70 Phase III Resolution of SWO.

J. Fisher advised that MPQAD has begun the re-audit of the Soils area document control stations. The effort was delayed over the week-end because FSO decided to eliminate their document control of WJE data sheets. As of today, these documents will be site-controlled only at Resident Engineering and Central Document Control. (INFORMATION ITEM)

New Items No new items were discussed.

Response Item Item 70 Review of Crack Mapping Programs.

G. Murray and E. Cviki reported that CTL has been on-site and evaluated all 8 alert level cracks identified in the Auxiliary Building and SWPS during the week of January 8-14. CTL will issue a report (s) on their ecaluation of those cracxs. (Review of these reports as well as all other reports associated with crack mapping activities will be performed by the Assessment Team and tracked under this system.z ) (CLOSES ITEMS 69 45 and 69-19) (OPEN ITEM) , ,

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l Notes of Daily Meeting Independent Assessment of Underpinning Midland Plant Units 1 & 2 Consumers Power Company i

Held at Midland Site Midland, Michigan January 17, 1984 Present For:

Consumers Power Bechtel MPQAD Stone & Webster None J. Fisher J. !!cMaster W. Kilker E. Cviki R. Sevo J. Springer J. Gaydos L. Rouen D. Benvie Parsons None PURPOSE This meeting is held each day to discuss items regarding the Independent Soils Assessment at the Midland Plant Units 1 & 2.

DISCUSSION Status Items Item 70 3 - Phase III Resolution of SWO.

J. Fisher reported that MPQAD has completed their verification of corrective action taken on document-related problems at two of the FT.0 Document Control Stations. The outstanding .QARs are being closed and Stone & Webster (CIO) will likely be notified today that the CIO overview of the FSO control stations can be initated. J. Fisher added that once the SWO is lifted, FSO will obtain the "back log on documents presently being held at the Field Document Control Center and enter them at the respective FSO Control Stations prior to physically resuming the construction work. (INFORMATION ITEM)

Item 70 4 - SWPS Soil Grouting Plan.

J. Fisher said that as a result of recent discussions with SMO, an alternate method is under consideration for stabilizing the soil at the perimeter of the SWPS underpinning excavation. This option would be to grout horizontally to approximately 1 ft. behind the lagging as the excavatiori progressed. (INFORMATION ITEM)

New Items Item 70 CTL Reports-Recommendations Follow Up.

During review of W.R. 69 two items relating to CTL's report on alert level _

cracks found on the El. 685' slab in the Control Tower were identified

. . for' tracking by the Assessment Team. One item concerns an engineering evaluation of the cracks and the other ites a suggestion to perform extensometer measurements,these items will be tracked under OPEN ITEM 70-2. (CLOSED ITEM) 4

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I Notes of Daily Meeting I Independent Assessment of Underpinning '

Midland Plant Units 1 & 2 Consumers Power Company Held at Midland Site Midland , Michigan January 17, 1984 Item 70 Close Out of Lessons Learned Action Items.

During review of W.R. 69, an open item was identified relating to lessons learned from the construction activities at the Auxiliary / Turbine Building.

The Assessment Team will track the close out of the 11 action items (from an original list or 36) contained in the Lessons Learned Summary to be applied to the SWPS. (OPEN ITEM)

Response Items No response items were discussed.

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Notes of Daily Meeting Independent Assessment of Underpinning Midland Plant Units 1 & 2 Consumers Power Company Held at Midland Site Midland, Michigan January 18, 1984 Present For:

Consumer's Power Bechtel MPQAD Stone & Webster Parsons G. Murray J. Fisher J. McMaster D. Benvie J. Oliveira J. Schaub E. Cviki R. Sevo R. Lykens R. Wheeler J. Gaydos P. Majeski PURPOSE This meeting is held each day to discuss items regarding the Independent Soils Assessment at tne Midland Plant Units 1 & 2.

DISCUSSION Status Items Item 70 Phase III Resolution of Stop Work Order.

Stone & Webster (CIO) started their overview of the 5 Soils Document Control Stations today. Pending the results of the overview, J. Fisher reported that the Stop Work Order could be lifted tommorow and actual work would start on Friday. (INFORMATION ITEM)

Item 70- y_ - Rejacking of Piers.

J. Schaub reported that CP Co is in the process of notifying NRC that a nominal value of 84 mils uplift has been~ reached on the W8 grillage which may result in rejacking of the grillage. Performance of the EPA will be evaluated during rejacking to determine lock off values for the jacks.

(INFORMATION ITEM)

Item 70 SWPS Soil Grouting Plan.

J. . Fisher reported that grouting for soil stabilization of the temporary back fill adjacent to the SWPS will be performed from inside the excavation as suggested by CP Co. Grouting horizontally to approximately 1 ft. behind the lagging will be performed from inside the excavation as the work

, progress es. (INFORMATION ITEM)

Item 70 .10- Engineering Evaluation of Cracking in Auxiliary Building.

E. Cviki reported that the crack survey of the Auxiliary Building south of G-line is in process. It is anticipated that the survey south of G-line will be completed this weekend. At that time, CTL will be called in to assist in evaluation of the survey data. The crack survey north of G'line will commence thereafter. Completion of the crack survey in the entire Auxiliary Building is scheduled for January 30, 1984. (INFORMATION ITEM) i l

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. I Notes of Daily Meeting Independent Assessment of Underpinnin3 Midland Plant Units 1 & 2 Consumers Power Company Held at Midland Site

, Midland, Michigan January 18, 1984 New Items Item 70 11'- Near Term Construction Schedule for Underpinning Activities.

R. Wheeler inquired as to where work would start first after lifting of the Stop Work Order. J. Fisher responded that the' following activities would get underway within the next week:

1. Work on piers CT-1 and CT-12

2. Drop pits to piers E16 c,nd W16 3 Work on level C Waler

4. Drifting with the Molten Drilling Machine to pier Kc-4 (INFORMATION ITEM)

Response Items No response items were discussed.

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Notes of Daily Meeting Independent Assessment of Underpinning Midland Plant Unite 1 E 2 Consumers Power Company Held at Midland Site Midland, Michigen January 19, 1984 Present For:

Consumers Power Bechtel MPQAD Stone & Webster G. Murray J. Fisher R. Sevo P. Majeski J. Schaub E. Cviki B. Lykens R. Wheeler J. Gaydos D. Benvie Parsons J. Oliveira PURPOSE This meeting is held each day to discuss items regarding the Independent Soils Assessment at the Midland Plant Units 1 & 2.

DISCUSSION Status Items Item 70 12 - Phase III Resolution of Stop Work Order.

The five Soils Documents Control Stations satisfactorily passed the Stone & Webster (CIO) overview. The Stop Work Order will be lifted today. J. Fisher reported that prior to actually starting back to work on underpinning activities, all documents on the exception list plus any new documents at Central Document Control would be incorporated into all the Soils Document Control stations. FSO would then review the 5 stations to ensure that they are in compliance. Additionally, MPQAD will perform an evaluation of the 5 stations when FSO completes their review.

Bechtel will check permits (i.e. drill, excavation, hold tags, etc.) at work areas to ensure they are in place and comply with the latest procedures.

Actual underpinning work on the Auxiliary Building would begin on 1-21-84 while underpinning activities on the SWPS would resume some time next week.

(INFORMATION ITEM)

Item 70-_13 - Rejacking of Fiers.

J. Fisher reported that the W8 grillage will be rejacked once the FCR.

establishing new criteria for upward structural movement has been processed.

(INFORMATION ITEM)

Item 70 CTL Report on Crack Mkpping.

P. Majeski received CTL's reports on crack mapping performed at the SWPS and Auxiliary Building. -G. Murray' stated that Stone & Webster will be put on

' the distribution for all future CTL renorts. (Item 70-2 remains OPEN) (CLOSED ITEM)

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Notes of Daily Meeting Independent Assessment of Underpinning Midland Plant Units 1 & 2 Consumers Power Company IIeld at Midland Site Midland, Michigan January 19 , 1984 New Items Item 70 Stone & Webster Comments on Bechtel Welding Tech. Sheets.

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Fisher acknowledged receipt of Stone & Webster's comments on the weldirg tech sheets. Bechtel is presently reviewing these comments. (ITEM WR-54, pg. 3 remains OPEN) (CLOSED ITEM) .

R_esponse Items ,

Item 70 neview of Phase III SWO Resolution.

The documents in the five soils related document control stations successfully passed the S&W, CIO review. The SWO for the soils related work may now be lifted. (CLOSES ITEM 65-19) 1

I Notes of Daily Meeting Independent Assessment of Underpinning Midland Plant Unite 1 & 2 Consumers Power Company Held at Midland Site Midland, Michigan January 20, 1984 Present For:

Consumers Power Bechtel MPQAD Stone & Webster G. Murray J. Fisher J. McMaster P. Majeski E. Cvit:1 B. Lykens J. Gaydos D. Benvie Parsons None PURPOSE This meeting is held each day to discuss items regarding the Independent Soils Assessment at the Midland Plant, Units 1 & 2.

DISCUSSION Status Items Item 70 Lifting of Stop Work Order.

J. Fisher reported that equipment mobilization will begin today in preparation for starting back to work. Work activities anticipated to start tomorrow include work on piers CT-1 and CT-12 and drifting to Kc-4 and Kc-9. (INFORMATION ITEM)

Item 70M 8' - Rejacking of Piers.

J. Fisher reported that the FCR establishing new criteria for upward structural movement was being routed this morning. Additionally, Mergentimds rejacking procedure will be revised to incorporate the new criteria from the FCR. Rejacking of the WB grillage will be performed once the FCR has been issued and Mergentime's procedures have been revised and issued. .INFORMATION ITEM)

Item 70 SWPS Soil Grouting Plan. '

J. Fisher reported that a package of data related to grouting at the SWPS will be transmitted to CP Co. The package contains the grouting procedures, the proposed test grouting program and the plan for production grouting at the SWPS. (INFORMATION ITEM)

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Notes of Daily Meeting ,

Independent Assessment of Underpinning Midland Plant Units 1 & 2 Consumers Power Company Held at Midland Site Midland, Michigan January 20, 1984 New Items Item 70 SCN for Welding Procedures.

J. Fisher stated that an SCN will be issued today releasing 2 welding procedures. Retraining of welders to the 2 welding procedures will be required. Bechtel has reviewed the Assessment Team's comments concerning Welding Tech Sheets which are a part of these procedures. The Team concurs that the comments are primarily of a procedure format nature.

The Assessment Team believes that issuance of the SCN is appropriate.

All comments will~be discussed and resolved. (Item WR 54, pg. 3 remains OPEN) (CLOSED ITEM)

Item 70 Document Transmittals.

P. Majeski requested that for the next few weeks, the Assessment Team be sent copies of the Document Transmittals for all documents distributed by Central Document Control subsequent to lifting the Stop Work Order.

(OPEN ITEM)

Response Items No response items were discussed.

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O Notes of MPQAD Meeting Ind6 pendent Assessment of Underpinning Midland Plant Units 1 & 2 Held at Midland Site Midland, Michigan January 20, 1984 No MPQAD meeting was held this week.

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