ML20084F699
| ML20084F699 | |
| Person / Time | |
|---|---|
| Site: | Midland |
| Issue date: | 02/15/1984 |
| From: | Lucks A STONE & WEBSTER, INC. |
| To: | Cook NRC |
| Shared Package | |
| ML20084F550 | List: |
| References | |
| 14358, NUDOCS 8405040284 | |
| Download: ML20084F699 (16) | |
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j Meetings Attende:
- a t e Fe:resente:
Turro e I 6-I 'E Stone & Webeter Dail.y Arrecscent t
I/10 Becntel Team Meeting l
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Farsons Consumer: Power 2/5 Eechtel Weekly Schedule-
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2/9 NRC Monthly Meeting
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Undereinnine and Beeedial soile - Construction Kc-3 to Kc-4 Drift:
Drifting has progressed.out of the fill-concrete
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Eight of twelve crift support a
cet: have been installed.
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't Pier C7-1:
Excavation of the drop pit.is near completion.
Excavation l
.and lagging has progressed to el 590'.
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- Pi e r k'16 :
Excavation of the access pit is within 4' of -final grade.
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{s 6 =in. Crain pipe encountered just below the buttrees access shaft was j
removec within the access pit and plu6ged to prevent inflow' of water into r
the excavation.
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? er E*3. Excavat10n of tne cler is in :rogress.
A : :: Inifts:
Drilling continued fer installation of the l e '/ e 1 1 wale ru::0-ts en tne east and west access shafts.
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Ex:rcation and lagging has progressed to the first level of wales al:ng tne east side.
The west and north rices of the SWPS have been l
excavated te approxinately 3 ft. deep.
The final soldier pile for-Pnase I cunstraction was grouted in place.
i A r c e r e r.ent Tea- 00servation - Construction Tne construction in tne Auxiliary Euilding incluced excavat en activities
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in two access :its, two cre: pits and three ciers.
Tne Subcontracter
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took acequate reasures te control water stecage into the W16 access Oit and W13 pier excavations.
At tne pier CT l 'il drop pit excavations, tne soil stabilination ceasures previously performee aerear to have been cuite effe:tive in tnat tne fine sand has, in general, teen sta tle.
In the SE rorner of the excavation at CT12 tnere was minor clougnine of material between el. 590 and 593 resulting in a void area of up to 6 inches ceep.
j Wnen tne Subcontractor starts backpacking activities, this void. area will I
be filled witn soil or crouted.
At tne SWPS, excavation metnodology, observe: ey the Assessment Team, conforme:
witn apelicable protecures.
Over. excavation cenanc tne soldier pile w&ll was kett to a minimum.
The effectiveness CT tne soil stabilization grouting j
aice: tne Centractor in maintining the excavation to the design limits.
The j
excava* ier. lift inicknesses were maintained within specified tolerances.
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Flacement of lagging was performed in accorcance with the procedures.
Workmanship exnitited Dy the contractor was of hign cuality.
Drilling of 1
expansion anenor holes for installation of a bearing plate en the SWPS east was observed by the Accessment Team.
The bearing plate is part of the soldier pile wall lateral support system and will allow fastening of the first Icvel of struts for transfer of lateral loads fro-the soldier elle r
wall to the SWPS wall. Drill permits were in place at the wtrk aret.
Drilling l
penetration and hole locations were maintained 'within tne drill permit tolerances.
Tne drill permit procedure is being properly implemented.
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Tne second part of the review concerne: :ne ::s;r; uti:n an: tertirg r
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.s ven:Orr is controlled througn pre:urement ;rceedurer.
Ener a new issue of =
ccu=ent or revision te a cocument is re c;ve: Oy a ventor. the procurement crocedures require that a receipt acknowledgement be sent to the Centractor.
Pr0per posting of documents and verification are controlled by the vendors OA program and by other controls established between FSO and the vendors.
It is tne crinson oF the Assessment Tear that the k ntractor har estailishe: artropriate precedurer an cor.trols to acsure
/""N inat documents a:sociate: with tne underpinning work are correctly t;
distributed, transmitted and acknowledged.
r Tne Assessment Team completed a review of the MPOAD-Soils Document Control Station.
The purpose of the review was to verify that the crawing revisions released since the lifting of tne FCF./FC!! related 5 ct Work Orcer have been correctly posted.
Eased en the sample reviewed it is the Team's opinion that the documents are being properly costed.
A review was conducte: of 00 Inspection Report that had been closed-out curing the previous week.
Inese IRr covered suen items as expansion inchor installations, welding.: rack monitoring. instru-ent installations and cable terminations closed-out during tne previous week.
Tne review c0r. entrated on the coroleteness and accuracy of tne reports and the qualifications and certifications of the inspectors.
All tne inspection reports and inspector certifications were found to ce acceptable.
Tne Arsessment Team verified that the Contracter's Field Engineers and the Subcontractor's Field Engineers and Superintendents were trained to the site Document. Control procedures. _ Tnese individuals are assigned full-time to the specific work areas and.are responsible for ascuring the proper construction documents are ava21able and used.
Ir. addition, tne Team observed that -tne.Ouality Awareness sess Aon conducted by tne Subcontractor for craft personnel was devoted to a discussion of document control and distribution.
In tne Team's opinion,
'N FSO is adequately implementing project document control procedures and
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is training the personnel involved in the uncerpinning work.
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2' Welding Procedures 1/25/SL 2/10/54 1
N 0 en Items N
Items ciscussee curing meetings are categoriced as follows:
OPE!; ITEM - An itet for which an action 1s-recuirec.
Tne item will remain open until the required action has been taken.
Tracking is.
required.
CLOSED ITEM - An ites, usually brought forward by the Assessment-1 Team, that is discussed and adequately responded to.
No tracking i
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i INFO?.MATION ITEM - An itet, brougnt forward to provide general background infor=ation regar:iing work, such as work status or an-u p comine. desie_n chance.
No trackinr. is reauired.
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1 OFINION ITEM - An erinion or suggestion, given by the Assessment Teat excressing an alternate construction or cuality assurance technique.
Tne opinion er suggestion is given as.a possible alternate tnat may facilitate an operaticn.
CLOSES ITEM - XX-XX - Tnis notation identifies an action that.
closes a previously identifled open item.
Tracking of the open i te: stops.
Tne following is a listing of all Coen items from the Daily Meeting Notes with Sechtel, the Weekly Meeting with MSOAD or the text.of Weekly Feports.
Carry-over items from past weeks which -have been Closed this week are also listed.
I Ites No.
Descriction Closure N'
57-17 Wall Ties Open.
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T.it resting is ne_': each nay te cirturt iteer regarding tne Indepen:ent Scils A:serement at :.e Midland Flant, Ur.its 1 & 2.
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Status Itent Iter 73 Aur.; _;2ry Building Underpinr.ing Activi ti es.
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Driftin to Ec L o
o nas progressed out j
is now entirely in soil.
of the fill concrete and the drift face
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Recoval of that portion of the buttress access shaft footing recutree for -
advancement of tne drop pit to Pier E-16 has been coroleted.
The finger drift to Mc-9 has been completed.
during the weekend.
Excavation of the pier began Pier E-9 was rejacked due to settlement in excess of 10 mils within 48 h (INFORMATION ITEM) ours.
Ite: 73 Computerized Civil Drawing Register.
A review of the computerized civil drawing register by tne Assessment showed tne only_ drawings listed Tea:
for a clarification as to whether or notte cate are Eechtel controlled dra P.
Majese; aske:
including vendor documents and FSK drawings will be listed on the registe other documents J.
Fisner stated r.
into the register and a schedule will be provided later thisthat tne above re 71-16 remains OPEN)
(INFORMATION ITEM) week. ~(Item Item 73 SWPS Lagging Connector.
E' fastening of. lagging to soldier piles at the' SWPS excavationCvikl when tne angle between the flange or the soldier oile and -the In-addition to
-qertain design criteria.
-(Reference Ite: 71-24) (CLOSED ITEM)~
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Tr.is meeting :s hel; each day to discuss items regarding tne Independent 5:11s Assessment at the Midland Flant, Units 1 & 2.
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- css Iter 73-E - Auxiliary Building Underpinning Activities.
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Gaydos stated that the certification for the concrete tatch plant nas been received and placement of concrete for the Ec-2 to M -3 drift invert is scheduled for later this week. (INFORMATION ITEM)
Item 73 Use of "Betired" FORs.
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Fisher reported that establishment of a permanent method for handling and controlling one time deviation FCRs/FCNs is tentatively scheduled for the beginning of April. (Item 71-29 remains OFEN) (INFORMATION ITEM)-
Item 73 Computerized Civil Drawing Register.
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Fisher reported that incorporation of FSK drawings, vendor oocuments, specifications and other related documents into the computerized civil drawing register is scheduled for mid March 1984 (Item 71-17 remains OPEN) (INFORMATION ITEM)
Item 73 0 - Update on US Iesting Corrective Action.
4 Cleary provided a matrix listing current certifications of the US n.
Testir.g inspectors and the lab chiefs.
Inc list also identifies key test for which the lab chiefs will be certified.
Upgrading of a Level II instector to level III has been com:leted.
-f*dF 64, Pg. i remains OPEN)
(INFORMATION ITEM)
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Item 73 Crack Mapping Lata Sheets.
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Cvikl provided the Asse Ement. Team with the. crack mapping data ~ sheets
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. completed to date for the Auxiliary >5uilding. (Item 70-2 remains.0 FEN),
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5; ringer F;FF05E Tnir meeting it held each cay to circurs items regarding the Independent-5:11 Assesster. at the M;dland Flar.:
Units 1 & 2.
_e _-n. _e t m~ u.
Statur Items k- '
Item 73 Auxiliary Building Underpinning Activities.
The crop pit to pier E-16 has been completed and pier' excavation began today.
Drilling of vertical rock bolt holes for installation of. the transfer frame stabilizer plate at CT-12 has been completed.
Installation of piezometer BB-2 inside the Auxiliary Building has been completed.
(INFORMATION ITEM)
Item 73 Welding Procedures'.
J.
Fisher reported that the Mergentime and Spencer Wnite and Frentic welcing procecures have been signed off and will be issued by Central Locument Control' tocay.
(Ite 72-12 remains OPEN) L(INFORMATION ITEM)
Ite: 73 Irend Analysis.
B.
Sevo reported that two procedures to implement a trend analysis. program for tracking NCRs are tentatively scheduled for issuance on 3/1/84 (Item
~
64-10 remains OPEN) (INFOP.MATION ITEM)
Item 73-16 -- Close Out of Lessons Learnec Action-Items.
J.
Fisher stated that 6 of the 11 action items related to lessons learned js from construction activities at ~ the Auxiliary / Building have been closed g
o u t '.
The remaining 3 items to be applied to the SWPS are scheduled for
\\
. resolution within.the'next few days.
(Item 70-6 remains OPEN).(INFORMATION-ITEM)
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T W.
Kilker asked wnat training is con:uttec for manual supervisory personnel I
on cocument distribution.
J.
Gayder explained that Bechtel and Subtentractor I
Field Engineers at well as Subcontractor Superintendents are traine: to the Document Contr '. procedurer.
All of inese indi'.*icuals are assigned to the respective w;rc areas en a full-time taris.
Tne Field Engineers are responsible for assuring inat the documente used at the respective work areas are correct.
t To this end, a Werg Print list is published daily.
A copy of thi: list is available at the work area.
The Ouality Awareness sessions conducted by the Subcontractor trevider a ferur for the diesementation of this information to the craft forenen and craft Dersonnel.
Base: on tni exc.lanation, the L
Assessment Team believes the training to Document Control procedures being
(
conducted is acequate.
(CLOSED ITEM)
- N Ite: 73 !
Plant CAE Concrete Eatch.
J.
Gaydos reported that M? CAD is in the process of issuing a CAE on the concrete batch plant operation.
The QAE accresses Bechtel programmatic committeents to approve off-site laboratories'and co-ordination of Bechtel l
and State of Michigan scale calibration frequency requirements.
The concrete placement at the pier Kc-2 to Kc-3 drift invert will likely take place on i
I 2/10/84 (INFORMATION ITEM)
Ite: 73 Void Space Between Lagging.
J.
Fisher stated that in order to achieve the required design elevation at the dro: pit /cier interface spacing between 5 sets of lagging would be decreased to 1.25 in. fre 1.5 in. for construction of piers CT-1'and CT-12.
The Assessment Team concurs with this variation of the lagging spacing. (INFORMATION
.- M;,
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/
Eesconse Iteme Itec 73 IE Distribution.
1 In response to a previous Assessment Team request to be included on the distribution list for closed OC Inspection Reports, L.
Rouen stated the Tea:
har been regularly receiving these reports.
Ite: 66-50 wnich has been carried as an open ite is now closed.
(CLOSES ITEM 66-50)
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ww-This meeting is held each Oay tc discuss items regarding the Independent Scils Assessmer.t at the Midland Plant, Units 1 & 2.
t T S.U c e.T n.N.
Status Items Item 73 Auxiliary Building Undereinning Activities.
- s Removal of fill concrete encountered curing excavation of Pier Mc c is in progress.
The approach pit to pier E-16 has been completed.
Excavation of the-
]
pier began yesterday.
Fill concrete has been encountered while excavating the approach pit for CT-12.
Preparations are being made to start removing the fill concrete today.
A 6 in. drain line was encountered while excavating the drop pit to pier K-16.
As of today the differential movement measured at the WS grillage was 51 mils.
(INFORMATION IIEM)
Item 73 NIR f 20.
J.
McMaster reported that the NCR and CAR written asta result of NIR. # 20 ~
have been closed and copies of these documents will be transmitted.to the
-Assessment Team today.
(INFORMATION ITEM) (NIR# 20 remains OPEN)
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Item 73 Welding Procedures.
J.
Fisher asked the Assessment Team for a status on the review of the revised Mergentice and Spencer White & Prentis welding procedures.
J.
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Springer stated that the review is in progress.
Additionally, J.
Springer
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Kilker stated that tne Mergentime Field Engineer conducted a _ discussion of the site Documer.t Ccr. trol procedures at the Quality Awareness training sessions neld for craft eersor.nel on 2/9/54.
A copy of the discussion outline and the
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Item 73 Lessons Learned Action Items.
J.
Fisher reported the 3 remainin5 open action items from the Auxiliary Building Lessons Learned list.have been closed.
'A summary sneet outline of the actions taken was provided to the Assessment Team.
(CLOSES ITEM 70-6) s
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