ML20094J541

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Design Audit on 820728 of Auxiliary Bldg & Svc Water Pumping Structure.Diesel Generator Bldg Structural Analysis for Settlement,Bearing Capacities & Summary of 820721 Meeting W/ CPC Encl
ML20094J541
Person / Time
Site: Midland
Issue date: 07/18/1984
From: Kane J
NRC
To:
Shared Package
ML19258A087 List: ... further results
References
CON-BX16-048, CON-BX16-48, FOIA-84-96 NUDOCS 8408140357
Download: ML20094J541 (35)
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BACKFILL AND COMPACTION-REQUIREMENTS
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A. DEFINITIONS AND-ABEREVIATONS p.,'s.w.x,3 STRUCTUR'AL BACKFILL " STRUCTURAL BACKFILL" AS USED HEREIN AND ON DRAWING 7220-C-REFERS TO FILL g ?,b PLACED BELoW SEISMIC CATEGORY I' FOUNDATIONS AND p\\- , L t,Na. (,1 WITHIN 3 FEET OF THE EXTERIOR WALLS OF STRUCTURES. s.g 2r # f' GENERAL BACKFILL " GENERAL BACKFILL" AS USED HEREIN 0 AND ON DRAWING /220-C- -REFERS TO FILL PLACED TO N FILL DRIFTS, ACCESS ' SHAFTS, ETC, WHICH ARE NOT INTENDED f [ TO CARRY: STRUCTURAL LOADS. 'L ASTM - ASTM REFERS TO AMERICAN SOCIETY lFOR IESTING AND s h MATERIALS. REFERENCED STANDARDS ARE DESCRIBFC IN SECTION 2 2 OF SPECIFICATION 7220-C-195(Q). RGE - RGE REFERS TO THE RESIDENT GEOTECHNICAL ENGINEER OR HIS DECIGNATED REPRESENTATIVE. B. BACKFILL REQUIREMENTS UNLESS OTHERWISE APPROVED, MATERIALS FOR STRUCTURAL AND GENERAL BACKFILL SHALL-BE SAND OBTAINED FROM A SOURCE MEETING THE FOLLOWING GRAIN-SIZE GRADATION RANGE AS-DETERMINED BY ASTM D 422-WITHOUT THE HYDROMETER TEST: PERCENT RETAINED

  • SIEVE SIzg FINE COURSE

,%.w 1 INCH 0 0 / kS"'

  1. 4 0

25 /

  1. 10 0

50 1/

  1. 40 40 95
  2. 200 95 100
  • THIS GRADATION RANGE SHALL NOT BE SKIP GRADED.

DELIVERED OR STOCKPILED BACKFILL MATERIAL SHALL BE VISUALLY INSPECTED AND TESTED IN ACCORDANCE WITH ASTM D 422 AT LEAST ONCE DAILY OR AS DIRECTED BY THE RGE, AND SHALL BE APPROVED BY THE RGE PRIOR TO USE. i IN LIEU OF THE GENERAL BACKFILL MATERIAL DESCRIBED l - ABOVE, FILLCRETE (A SAND-CEMENT MIXTURE), AS SPECIFIED i IN SPECIFICATION 7220-C-230, MAY BE USED WHEN REQUIRED l BY THE DESIGN DRAWINGS. C. PLACEMENT BACKFILL SHALL BE PLACED IN THE ZONES SHOWN ON DRAWING 7220-C-PRIOR TO PLACEMENT OF BACKFILL, THE CONDITION OF THE SUBGRADE SHALL BE APPROVED BY THE HGE. ALL BACKFILLING WORK SHALL BE OBSERVED BY THE RGE. BACKFILL MATERIAL S H ALL B E MO I S TU R E CO N D I T I ON E D BY SPRI N Ki l NG 09-BY-wm p """ " "* / > /' *. /- "."#d. O-TMrk-MEMG -A RP ROV E l>-P Y =T H E= RG E. BACKFILL SHALL NOT BE PLACED UPON A FROZEN SURFACE NOR SHALL ANY FROZEN MATERIAL BE INCORPORATED IN THE BACKFILL. HEATING SHALL BE REQUIRED WHEN THE AMBIENT 'c?oco*'"cc..!L M? "m c n 2: L

,,--a . _... ~ ~ 1 BACKFILL SHALL NOT'BE.PLACED UPON A FROZEN SURFACE NDR SHALL-ANY FROZEN MATERIAL BE INCORPORATED IN THE BACKFILL. HEATING SHALL BE REQUIRED WHEN THE AMBIENT LTEMPERATURE IS 32r-AND FALLING. LIFT THICKNESSES OF UNCOMPACTED BACKFILL SHALL NOT . EXCEED 4 INCHES. BACKFILL AREAS SHALL BE RAISED SIMULTAHEOUSLY, FORMING AN'APPROXIMATELY HORIZONTAL PLANE. .FOLLOWING. DISCONTINUITIES IN BACKFILL PLACEMENT AND ~ COMPACTION OF 4 OR MORE HOURS, OR AFTER DELAYS DURING WHICH COMPACTED MATERIAL WAS DISTURBED AS l DETERMINED BY THE RGE, THE. LAYER UPON WHICH ADDITIONAL BACKFILL IS TO BE PLACED SHALL BE INSPECTED BY THE RGE AND ADDITIONAL TESTS SHALL BE PERFORMED AS DIRECTED BY THE RGE. D.- COMPACTION REQUIREMENT 1-BACKFILL SHALL BE COMPACTED IN ACCORDANCE WITH THE FOLLOWING REQUIREMENTS. l

l. STRUCTURAL BACKFILL SHALL BE COMPACTED TO NOT LESS THAN 95% OF~THE MAXIMUM DENSITY VALUES DETERMINED IN ACCORDANCE WITH ASTM D 1557, 34 -)

Abre y.m.rp. ~.*n [h A Na 7r c qhw Y 2.' GENERAL BACKFILL SHA NEk0Nd'CIEd'ThNO LESS THAN-85% OF THE MAXIMUM DENSITY VALUES DETERMINED IN ACCORDANCE WITH ASTM D 1557,. 4 METHOD D. E. COMPACTION EQUIPMENT'AND EFFORT COMPACTION EQUIPMENT SHALL BE SELECTED AND APPROVED ON THE BASIS OF DEMONSTRATED ABILITY TO ACCOMPLISH ~ ADEQUATE COMPACTION OF FILL MEETING THE BACKFILL i REQUIREMENTS. THE RGE SHALL PREQUALIFY THE EQUIPMENT USED FOR COMPACTION BASED ON TESTING RESULTS AT'A TEST AREA WHERE 4 INCH LIFTS OF MATERIAL MEETING THE BACKFILL REQUIREMENTS WERE PLACED AND COMPACTED. COMPACTION DOCUMENTATION SHALL INCLUDE, BUT NOT BE 4 LIMITED TO, THE FOLLOWING:

1. EQUIPMENT DESCRIPTION AND MODEL

/

2. NUMBER OF PASSES PER LIFT
3. SPEED OF ADVANCEMENT
4. VIBRATION FREQUENCY 5.' OVERLAP PER PASS
6. COMPACTION DENSITY RESULTS UNLESS OTHERWISE APPROVED BY THE RGE, THE COMPACTION EQUIPMENT SHALL BE SELECTED FROM THE FOLLOWING:

EQUIPMENT NAME MODEL l WACKER VIBRATORY PLATE DVJ 3001 WITH 8' OUTRIGGERS RAMMER TYPE COMPACTOR CP-4RV (POGO STICK) _.. _ _.J-FmtLWags o _ _ GVR 220Y

~ RAMMER TYPE C8MPACTOR CP-4RV (POGO STICK) J-FOOT WACKER GVR 220Y M.--b @ i b d...., 1,,f ? __3"..; ySU l,' F. .SOrL TESTTNG v nsi*N % W SOIL PLACED AND COMPACTED IN ACCORDANCE WITH THIS SPECIFICATION SHALL BE TESTED IN ACCORDANCE WITH if - ARTICLE 9 0 0F SPECIFICATION 7220-C-208, ExCEPT THAT FigLDDENSITYTSTINGFREQUENCY'SHALLYARYFROM1/10 YD TO 1/100 YD PER TEST, AS DETERMINED BY THE RGE, .OR ONE TEST PER LIFT AT EACH BACKFILL LOCATION, .WHICHEYER IS MORE FREQUENT. ~ d 1/...;l ' t,.n e. u., ~ :. ; 1-W.; ' *"%h'ij ' * " -

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,,u. b h,\\.i @* *i N- ..c G. IEST LOCATION + 1 - 1 THE.RGE SHALL DETERMINE ALL DENSITY TEST LOCATIONS. THESE LOCATIONS SHALL BE-DOCUMENTED WITHIN 13 FEET IN PLAN AND 13 INCHES IN ELEVATION. H. IEST RESutTS IHE RGE SHALL REVIEW AND APPROVE EACH SOILS TEST REPORT. THIS SHALL INCLUDE, BUT NOT BE LIMITED TO, REPORTS FOR GRADATION, MOISTURE, AND DENSITY TESTS. 1 FAILING IEST ^ BACKFILL MATERIAL REPRESENTED BY FAILING TESTS, AS DETERMINED BY THE RGE, SHALL BE REWORKED UNTIL THE SPECIFIED COMPACTION IS OBTAINED. NO MATERIAL SHALL BE PLACED ON ANY KNOWN FAILING MATERIAL UNTIL SATISFACTORY TESTS ARE OBTAINED. J. WINTER PROTECTION OF THE BACKFILL IHE FIELD SHALL TAKE WHATEVER PRECAUTIONS ARE 4' NECESSARY TO PROTECT THE PARTIALLY COMPLETED BACKFILL DURING THE WINTER. THE FIELD SHALL PERFORM ANY NECESSARY RECONDITIONING OF THE AREA BEFORE BACKFILL OPERATIONS RESUME. THE RGE SHALL APPROVE ALL AREAS BEFORE BACKFILL OPERATION RESUME AFTER THE WINTER MONTHS. I K'. QUALITY REQUIREMENTS ALL ACTIVITIES AFFECTING THE QUALITY OF THE MATERIAL, PLACEMENT, AND TESTING SHALL BE CONTROLLED BY CONTRACTOR S QUALITY CONTROL PROGRAM. LIKEWISE, THE QUALITY DOCUMENTATION WILL BE IN ACCORDANCE WITH THE REQUIREMENTS OF CONTRACTOR'S QUALITY CONTROL PROGRAM. i 4 ---...l. .r..~,_.

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1H GEE MO7 }en'ath tin RYP e P Fig. 9.D wuld be assumed. to have the same maximum dey unit i weight. Substarttial. errors in the computed percent compaction would result. N For the abovo reason., the measurement of percen.t com-paction in the Eteld should be carrled out using the following "one-point procedureCs L. Dietermine the compact. ion curves for about three i I samples of the borcow that are carefully selected to represent, the probable. range of materials to be used. 2. Plot all three compaction curves. on one page to form a "tamily" of curves. such as Fig 9-10. teote on t.his plot the snaicisaum particle size used in the compact. ion test, e.g., -3/4 in, or -No. 4. 4 ~~ . 3. Measure the field, unt.t weights at the des:1 red e location using a procedure such as the sand-cone l l ( AS*D4 D 1556) :

1--- -L.___.._ -_

_Do not t weasure the uni,t, waight at_ t.he fill surface Dig down a minimum of 4 in, before making the, measurement 4. T6td a sample of the soil f rom the walls of the {4 Eicid unit weight hole 0; _ U,. L :.ic.- d..:: s P _ _. r - - __'_ _ : - d e r. -...a w s, _ _ he =: ir r: ;. J. Do.not dtu belovr t.h1 f. tecta uni u.dght,yo M_ m. f --'e, bocaiuse the next layer belod may 5 *'- have a dLf forent maximan dry unit. weight. ' S. Remove (and save the coarser particles, i.e., the sizes not usod in the cornpaction test.s in t, top 1 see e e.--,s. ...e.o ,e.., +e e-e. e + ,,..t, e ..e

  • * " _ l 2 ? 2 __"'"2 _.____: ^____.__:._._

~^~~:"?~~~~~~~ ~ " " ~ ~ * ~ ~ " * - - ~ ~ ~ ' ~ ~ ' ' ' ' ~ ~ ~ -

.n....-.- m o. from the sample in Step 4, Measure the percent ) by weight of the total sampic represented. by the coarser particles, P. Brush. the fines of f th.o g larger particles and retain them in the samplo. 6. Perform a "one-point" compaction test on the s sample from Step 5 (i.e., after removal of the coarser particles). I 7. Plot the one.-point test result on the family of curvue from Step 2. 3 8. Interpolate between the family of compaction cur-ves and estimoto tite tr.axin.um dens Lty, [dg, for 1 that sample. (If the point falls outside the family of curves, a new compaction cu'rve shonid be carrlod out on another sample taken in the field froin the location of the f Leld density test.) 9. Correct the field density measured in Step 3 for tha percontage of the sample that contains par-ticles coarser than those used. in the compactiors tests. he following formula applies: . - p, $ I~ i 4 e (Y4c * & Gk ) Y / whore [dc = corrected field dry unit. weight-7 d = measured fis Id dry ursit woight O e e ee-

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a*--**---- --***]-**_ _ _ _ _ _ _* * " * * " " * ' ' ~* '

l ~45- [w= unit,*eight of' stor Pg = percent by weight of gtdvel particles removed in Step 5. (Dry weight of gravol/ total dry weight) G = specific gravity of gravel particles 10. Compu.te the percestt compaction as the ratio b-(Sher 9) ~ h(*D i, P-t Nr. ~ G (Sico a) i k IC Use of thie procwdure will ensure that the measured dry unit, weight is compared witit the proper maximum dry unit weight. W 1 -- -. -- -M c - -_:r-sc.; . reil sle ts. avamel. _. " r.:. -;-rac. _;_, illC (1 es,.- I Experience has shov1n that use of eittier the above Eocedure - i r.- ,.a1;-is vital for practically all soil z types because the maximwn density varie,a substantially_cvert for materi_als'vbose 9,cai_n-sLze curycs_are nc,arly identical. Unlese it can be show*a for a particular case in practice that the pro-cedure can be aimplitled, the above procedure should be us'ed. l 9 I 'a r' I + 3-g*i ,i_,i+ ,i, j . ~... b-

.~ a, ,...~._.. y ISO - ., - Zero Air Voids 6 = 2. 68 f4Q 4o4 /.40 'r s .t 'k 4' E /* f.+ C5 5 Cc .c 8 12 0 ~ .c.., /.,o c.s 3 c-v o Ac;* , A-e... s. . e.,, c c., 5 ?' ~ " ? //0 C=6 t. 100- - l l 90 _s _ - 1 .o - i O S 10 IS E0 2S Water Content, v., x - f)-. 7. - 10 d' mnsor i of &[edifie.d...AA5]f.D,.. \\ R le02y2C W1 T.C3.!. 0!!XCS e l e.r,, s y m.s. r -m, - > -. s.. s w. = o. a e<a -- *.,vv. .., *.e ex..r * =.nn r.r. :r ry.,- s._.tr....a.nor. w s gs.;. f P__ ..-...rm -.*----+-.---,--,y-eww'-ws ,.-,------,-.--.-+w-wm, y-w-g- - - - -up-w-enww- -.,p.w,g-----ew g+--wm9 3 .ym--ew w

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p ] ~ &a.1\\vw ,( UNITED STATES {, :... kh,.c\\ 8- 'o NUCLEAR REGULATORY COMMISSION f I \\..... / j gg wasmworow.o. c.aossa MAR 311980 Docket Nos.: 50-329/330 ~ APPLICANT: Consumers Power: Company ~. FACILITY: Midland Plant, Units 1 '& 2

SUBJECT:

SUMARY OF FEBRUARY 27 &'28, 1980 MEETING AND SITE TOUR WITH CONSULTANTS TO REVIEW SOIL SETTLEMENT . On February 27 and 28,1980, the NRC staff'and three organizations recently acquired to support the staff. safety review of geotechnical and interfacing matters, met with Consumers Power Company (the applicant), Bechtel and Bechtel consultants at the site for Midland Plant, Units 1 & 2. The three organizations supporting the staff review are the U. S. Army Corps of Engineers, Energy Technology Engineering' Center, and U. S. Naval Surface Weapons Center. The purpose of the visit was-to review and. observe site backfill deficiencies and effects. This was the initial visit for the staff's consultants and the meeting was held to assist these consultants with their review of existing documentathn~on the background, remedial work and present status of this matter.. Meeting attendees are listed in Enclosure 1. The information' reviewed at this meeting'is' contained in' Amendment 72 to t'he Midland FSAR, December 19,1979,-for which referenced material is forwarded in two volumes by the applicant's letter of February 11, 1980. One of the i volumes entitled "10 CFR 50.55(e), Interim Reports, Settlement of Diesel Generator Foundations and Building," consists of the 10 CFR 50.55(e) reports sent by the applicant to the staff's Office of Inspection and Enforcement .from November 7,.1978 through September 5,1979. The other volume, entitled " Responses to NRC Requests Regarding Plant Fill," consists of the applicant's 10 CFR 50.54(f) responses to the Office of Nuclear Reactor Regulation submitted April 24, 1979 through November 13, 1979. These documents represent the applicant's reports upon which the staff's order of December 6,1979 requiring modification of the construction permits is based. The meeting also. included a preview of information to be contained in Revision 5-to the applicant's responses in the latter volume intended for submittal about the end of February, 1980. Revision 5'will include responses to the staff's supplemental requests of November 19, 1979. Only information mt contained in these documents is included in this meeting summary. In opening remarks, Mr. G. Keeley announced that Consumers Power Company has elected to defer all remedial work on inadequately supported structures until l acceptance of the proposed work is received from the staff. This action is i ~

  1. A p $/ / A A Y m-

f MAR 311980 L voluntary on the applicant's part since the effective date for the staff's . December 6,1979. order is to be established by the Hearing Board pursuant to 10 CFR 2.204. The basis for this decision was said to be,to preclude potential loss of revenue associated with expenditures for which staff approval has not been granted.- The staff observed that this was a prudent decision, particularly in view of the significant slip in construction completion projected by Bechtel and currently under review by the applicant and due to other causes, principally the TMI-2 accident. 2 i Presentations were also given by Bechtel consultants. Mr. C. H. Gould described the procedure for placement of caissons beneath the electrical penetration area (i.e., wing walls) of the Auxiliary Building and beneath the Feedwater Isolation . Valve Pit area. _ Mr. M. T. Davisson described the procedure for placement of piles to support the northern portion of the Service Water Building. Dr. A. J. Hendron, Jr. reviewed the preloading program completed for the Diesel Generator Building and discussed why the preload option was elected in lieu of other possible corrective alternatives. Dr. R. B. Peck summarized the recommendations of the Bechtel consultants and emphasized that the preloading option is con-sidered to eliminate the need for ~any further testing or measurements as a basis for establishing confidence for future settlement potential of the-Diesel Generator Building. A summary of these discussions by the Bechtel consultants will be submitted as an amendment to the FSAR. During the meeting, references were made to certain~information and reports i which have not been made.available to the NRR staff, although some of these have been examined by I&E through the audit mechanism. Examples include: 1. Some of the figures listed in the drawing summary for the interim reports to MCAR #24 which are not included with the compilation of reports forwarded by the applicant's letter of February 11, 1980, even after noted figure replacements and redundancy are taken into account. 2. Installation details of each piezometer used to monitor pore water pressures during the preload program (e.g., type and actual elevations of installed. piezometers, backfill materials and zone thickness). 3. Reports, meeting sumaries, or other written communications with or by consultants recomending or supporting remedial measures for structures and utilities located upon or in questionable soils. t-4. Reports of the evaluation (e.g., bases, procedure, execution and results)of the initial qualification and subsequent requalification of compaction equip-ment. 5. The report " Tank Farm Investigation; Midland Units 1 & 2," issued October, 1979. 3'

. ' Z_ . MAE 31 I300 The staff noted that.such documents as above are needed by its consultants for their independent assessment of the adequacy of the proposed remedial measures and requested that these be made publicly available. The applicant indicated a reluctance to this end, and noted that these were available through the I&E audit mechanism. The staff will issue a formal request for these documents. The staff also noted that the boring logs provided in Appendix 2A of the FSAR did not reflect those borings associated with piezameter installation; the applicant replied that these would be added. Site tours were provided in groups based upon the following engineering disciplines: (1) Geotechnical, (2) Structural, (3) Mechanical, and (4) Hydrologic. During the tour the Corps noted that except for the use of temporary blocks, the service water pipe would otherwise be in direct contact with the base of the penetration through the northern wall of the Service Water Building. It is postulated that this results from the more rapid settlement of the buried pipe relative to the building's cantilevered settlement. The Corps emphasized that special attention should be given this area to avoid stressing the pipe at the penetration, particularly during pile driving and after attachment of the piles to the structure. The staff noted that the presentation by Mr. C. H. Gould included the specification of some quantitative criteria to be applied during the remedial action for the Auxiliary Building. The staff asked if similar criteria were specified by the other Bechtel consultants, but was advised that these other criteria. were more of a qualitative, subjective nature. The staff also requested the applicant to submit a description of the services to be performed by consultants R. B. Peck, A. J. Hendron, Jr., C. H. Gould and M. T. Davisson through the completion of construction on the remaining remedial fixes. This description should identify the extent of continued involvement of the consultants in overseeing construction operations and in evaluating the effectiveness of completed fixes for which they have provided major design input, nn? !N Darl S. Hood, Project Manager Light Water Reactors Branch No. 4 Division of Project Management

Enclosures:

1. Attendees 2. Agenda cc w/ enclosures: See next page. l

Consumers Power Co.rpany Ces: Michael I. Miller, Esq. Mr. S. H. Howell Isham, Lincoln & Beale Vice President Suite 4200 Consumers Power Company One First National Plaza 212 West Michigan Avenue Chicago, Illinois 60603 Jackson, Michigan 49201 Judd L. Bacon, Esq. Managing Attorney Consumers Power Company 212 West Michigan Avenue Jackson, Michigan 49201 Mr. Paul A. Perry Secretary Consumers Power Company 212 W. Michigan Avenue Jackson, Michigan 49201 ( l Myron M. Cherry, Esq. One IBM Plaza l Chicago, Illinois 60611 q Mary Sinclair f 5711 Suninerret Drive i Hidland, Michigan 48640 Fr'ank J. Kelley, Esq. i Attorney General State of Michigan Envirormental Protection Division 720 Law Building Lansing, Michigan 48913 Mr. Wendell Marshall Route 10 Midland, Michigan 48640 , Grant J. Merritt, Esq. Thompson, Nielsen, Klaverkamp & James 4444 IDS Center 80 South Eighth Street Minneapolis, Minnesota 55402 Mr. Don van Farowe, Chief Division of Radiological' Health Department of Public Health P. 0. Box 33035 Lansing, Michigan 48909

3 l l \\ r Consurers Power CorTany ces (centinued): Pesident Inspector / Midland NPS -c/o U.S. Nuclear Regulatory Commission P. O. Box 1927 . Midland, Michigan 48640 j L William J. Scanlon, Esq. 2034 Pauline Boulevard Ann Arbor, Michigan 48103 Commander, Naval Surface. Weapons Center ATTN: P. C. Huang G-402 White Oak Silver Spring, Maryland 20910 Mr. L. J. Auge, Manager Facility Design Engineering Energy Technology Engineering Center P. O. Box 1449 Canoga Park, California 91304 Mr. William Lawhead U. S. Corps of Engineers NCEED - T 477 Michigan Avenue 7th Floor Detroit, Michigan 48226 l 1

r_- .s p ENCLOSURE 1 l l l ATTENDEES l Consumers Power' Bechtel Consultants G. S. Keeley . Harris Burke R. B. Peck j T.'C. Cooke Sherif Afifi A.' J. Hendron, Jr. l .T. Thiruvengadam Don Riat C. H. Could U. E. Horn Bimal Dhar M. T. Davisson Bill Parts Jdlius Rote [ Jim Wanzeck Karl Wiedner John Rutgers l Lynn Curtis Al Boos . Chuck McConnel Walter Ferris NRC US Corp Of Engineers _EIEC L. lieller N.'Gehring W. P. Chen J. Grundstrom J. Brammer J. Kine W. Otto A. Cappucci W. Lawhead F. Rinaldi P. Hadala R. Gonzalis J. SimpSon D. Hood J. Norton C. Gallagher R. Cook R. Erickson 4 US Navy Weapons Center P. Huang J. Matra l

W . ENCLOSURE 2 [ _ _. _ AGENDA.FOR.__ -MEETING WITH NRC ON MIDLAND PLANT FILL STATUS AND RESOLUTION February 27 & 28, 1980 Midland Site

1.0 INTRODUCTION

C. Keeley 2.0 PRESENT STATUS OF SITE INVESTICATIONS T. Cooke 2.1 Meetings with Consultants and Options Discussed (Historical) 2.2. Investigative Program A'. ' Boring' Program ,B. Test Pits C. Crac.k Monitoring and Strain Cauges - ~~ D. Utilitias' 2.3 Settlement A.~ Area Noted-B. Preload C.' Instrumentation 3.0 WORK ACTIVITY UPDATE J. Wanzeck 3.1 Summary of work activities and settlement surveys for all Category I structures and facilities founded partially or totally on fill 4.0 REMEDIAL WORK IN PROGRESS OR PLANNED (Q4,12, 27, 31, 33 & 35) S. Afifi 4.1 -Diesel Generator Structures 4.2 Service Water Pump Structures 4.3 Tank Farm 4.4 Diesel Oil Tanks 4.5 Underground Facilities 4.6 Auriliary Building and FW Isolation Vrive Pits 4.7 Liquefaction Potential 5.0 EVALUATION OF PIPING (Q16, 17, 18, 19 & 20) D. Riat 6.0 DEWATERING (Q24) B. Paris 7.0 ANALYTICAL INVESTIGATION B. Dhar a 7.1 Structural Investigation (Q14, 26, 28, 29,30 & 34) 7.2 Seismic Analysis (Q25) / //;9, 7.3 Structural Adequacy with Respect to PSAR, FSAR, etc.

  • I# #5 f0 SITE TOUR All 8

9.0 CONSULTANTS

SUMMARY

Peck /Hendron/ Could/Davisson 10.0 DISCUSSION All

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