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Questions for Davisson 810114-15 Deposition. Questions of Dr Peck on Testimony, Encl
	ML20095A255
Person / Time
Site:	Midland
Issue date:	01/11/1981
From:	; NRC
To:	;
Shared Package
ML19258A087	List: IR 05000329/1978020; IR 05000329/1981012; IR 05000329/1982007; IR 05000329/1982009; IR 05000329/1982014; ML19258A086; ML19351C947; ML20093B251; ML20093B495; ML20093B616; ML20093B708; ML20093B747; ML20093B900; ML20093B940; ML20093C001; ML20093C006; ML20093C017; ML20093C025; ML20093C030; ML20093C035; ML20093C068; ML20093C073; ML20093C079; ML20093C082; ML20093C101; ML20093C104; ML20093C108; ML20093C116; ML20093C174; ML20093C189; ML20093C196; ML20093C226; ML20093C231; ML20093C262; ML20093C318; ML20093C324; ML20093C347; ML20093C354; ML20093C374; ML20093C377; ML20093C390; ML20093C394; ML20093C398; ML20093C405; ML20093C440; ML20093C444; ML20093C649; ML20093M884; ML20093M994; ML20093N005; ... further results
References
	CON-BX18-010, CON-BX18-10, FOIA-84-96 NUDOCS 8408210421
	Download: ML20095A255 (34)
	v • d • e

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p u A g. cu m a n, 2 ; u _;n _,, x, ; _, -. ~ - -. ~ .~ e N-Y)- 8 1 y/ y 4 E' ' f r.hibit - Paue 3_ of_Jrlterim P.eport_-3, F_fHI'-IT I). Are you aware that underpinning was considered as an ' option' for diesel' 1. 3 generator building also?. 9 5 2. What was the reason for rejecting that option? for DGB. 1-3. Do you agree that underpinning.the building would not mininize the settlement of the utilities during the operation of plant, t 4. llave you advised "Consuners" on the possible remedy for assuring the safety of the utilities in addition to that of the structure in case underpinning option is used for Service Water Structure? -

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2 _ m m. m = .m. ~ f g4 ~ m t\\ if .J Y-u- Finure'62_of Interin Report 5 ( E4D lit W 9 ) H 1. Do you know that service water punp structure has shown cracks throughout the building to.this date. To your knowledge, has there been any analysis 0 to insure safety of the structure in its present state,. c.-ne.it: j. 6 . t o r-a. Lj 2. Itow will the proposed underpinning operation affect these cracks? i 1 '3. During the underpinning operation, if cracks start deteriorating do you have a criterion suggesting that if cracks exceeded that limit;the. .i number _ of cracks, width of cracks, extent of cracks) that you would be 4 [1 concerned about the safety of the building. 4. Do you consider it to be good engineering practice to suggest installing predrilled bearing piles adjoining a badly cracked building. 5. What kind of precautions have you come across in Bechtel's_ proposa_] that assures that building will not be damaged any further because of pi'le installation during underpinn.ing operation., e,_. ...u -. - - - .v 3 m.. vce 9,r a r:

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...1 s c '. e T * 't,. ~ . e 6. Do you get all the docunents on itidland, or you get selected documents? w 7. Do you feel it to be irportant that in order for you to provide Bechtel with proper guidance, you should receive from them all the pertinent information in a timely manner. 8. Uhat has been your experience so far on !!idland project'about receiving complete information in a timely manner. -m 9. Exhibit-Bechtel forwarded to you on March 25 Tech Spec No. 7220-C-94 (Q) in n,n-for furnishing, testing and installing closed end piles. The memo says 3 ~that they plan to install test piles within 2-3 weeks. ' Did they send you complete information._.(concrete specifications were missing as shown on next exhibit). p y,g 3 g, g g - Pursue to detemine why conc.-spec.were not sent with the spec. (Negligence on Bechtel's part). 4 Did. they give you enough time to complete your review, while they l were planning to go ahead _with installation of test piles in 4 2-3 weeks. [ - Is it conceivable in the future that Bechtel may have some vital information regarding the job and you ray not be sent that infurnation for review because they sent you only selected documents. -1 I li j g + :.r..= a c a,.;..m w y,,. 4 a

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' to ' the.!;RC.

j ll. 'fould you_ provide s: me kind of scrutiny on Midland as you provided when you were a consultant to the !!RC.

9 '12.. There is a proposal that-piles at the service water punp' structure will.be tested individually to 150 percent of the.lc3d,' but there would be nol proof loading of piles as a group. Do you agree with-this recommendation?. 13. It 'is proposed that caissons at the auxiliary building will be proof .a 6 loaded. Why not the-piles at the Service water pump structure be subjected to similar tests. M: 6 6 e i .h J' 'i ',i. 2 ' d ;' * ' ?. 5 9 4 4 f ~;{ ! T i ' L' - 5 r-k F d-

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s - Did you folicw-up on your request for additional information. Same Set - Last but one page 7., q, g g.7 3 s - Do you consider that underpinning the service water structure with driven piles.and a corbel is a positive solution? - - What is t.he basis for such a conclusion. g llave you reviewed the seismic analysis of the service water structure? Who perfonned the analysis? Uhen did you review it? What is your impression of that analysis, f-llave you consdiered lateral drag forces that might be imposed on the SW Structure in the event of liquefaction of sandy soils under the service water pump structure. 2 + 1 1 m4, 1 r 4 /

-.g._ arc.. c - ..an= cr------ c.. _... l l' r%, 1}\\\\htT \\l l. p { U9 ( -t.r.ibit' -Tech Spec for Furn, Install,' and Ter, ting. *les E>G11 nit 11 'L, .mc nt n:.t > mesc r ' P L M F ' ' ' ' g (; ,.mr.: secu C. .,J .. :.,en did you first see these specifications. i; q-4 . Da you believeLthat after incorporation of your comments in these 4 specifications, these. specifications meet same or higher standard than your' recomendations at Bailly. K nrticle 7.3.8.- why did you recommend to delete the words "approximately 10 feet." Don't you think it to be important to specify the minimum depth of renetration.of piles'into the bea%ing stratum. n i ( Do you have a criterion speci f ed in these Tech Spec for "Psestarting of o Pile Deiving after a Delay." I* H e. m - tr l G [ ~ .lhy did you recommend to delete-the last line of Tech Spec 7.3.6. l- - -tl hat'is the criterion for selecting the pile: for load test. ( WJ.,.'*a?.4 Y.e7.~))x p-r. .. - g.,, ws h, :ca.} Splice.in test pile (section 5.1) - Since hst pi.le will eventually be used as Production pile, splice in upper 20 ft should not be allowed. Co:2.;cnt? (Splice is potentially vicak and corrosion susceptible). L-- - To your knowledge,.has the applicant nade settlement estimates for the SW structure after the piles are installed. Did you recc:=and that such as estimate be prepared. -!l hen or t.hy not? Results? l l 1 Tc cts ". % e-Tfuefelul Tur n -C A C L G W 'J CM i J, g (,*m.., (dO-UJ '4 A 6 >T nt,t,a Te n..3 .e t' P r.OE s- ~ ). ..L j\\(to _ 9 ) Q,,

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4 (Soil properties, structural configuration, loads, proximity to other structures that may interfere with the operation, load carrying capacity of pi: c'c). cAtuord :.tE ), To your knowledge, are all the required data available. a v.e u s Have you satisfied yourself that the underlying natural soil to v.hich -pi':s will be installed will be able to provide sufficient bearino capacity,(e @un k., - Hcw did cu satis fy yoursel f. 'l hat data or test results did you use. - Are you. i liar t.ith any other project on which sche:.e similar to that __ being pr c;w.,4 for the

-:. '::.a*-r,v p ;tr;cture has been used.

Aun u yq - tlhile ic.ie..ing the underpinning progran, did you ask for any additional infonution from Bechtel, or you felt'that they had provided you everythina you needed? - Did you ask for any additional borings in the area, or any soil testing? Did you discuss with your client any alternate proposals for underpinning the avi cc,.2 t-w-fe-p- etr >chce+ aux St-D c7 - 1lhy were these rejected. O QQ fh u G c e PurstJt r>C, PRO 9lthm Fafte Tde ^W ~ BLDC. i -z A e _ ee 6 ete e. > 3,. ,,,w ~l s =~ '" '. "- w_,

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l- _ In the meeting notes prepared by 11r. Brunner it is stated that "Davissor. U ' felt that additional borings would be useless and misleading". Is it a true statement of your feelings. Do you still feel that way? - L'hy did you feel that additional borings would be useless and misleading. Ilow could borings mislead you. .'., :. y: y 9 r c li t m A T. 7,7j TU. f *. 4 01-te. i' i "i ! ! u's - gg. k htJ E. cF t T f. / l S T /,T E 3 ( EAllV il ) THAT T y r.P.i? 1.. A M '" 6" i I4 lI . I' F il t"- i)G ( l' t' C cF c./t!tstJN tl A-V E: gg gy .r u p,

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INDEX OF DR. DAVISSON'S DEPOSITION Category Sheet No. ' Involvement - Past and Future 1, 2 Comments on NRC 3 Important Statements w/Regards to Dates and Availability of 4 .afonnation Bechtel's Procedure for Installing.and Testing Piles @ SW 5,6,7,8 Structure Pile Design 9 i Midland - Bailly Comparisons 10 Comments on Other Structures (DGB, Elect. Penetrat. Area, 10 Feedwater Isolation Valve Pits) Davisson's Knowledge on Cracking and Piping 11 Connents on Request for Borings 12 / t c

a. i-. -

Subject:

Summary of Dr. Davisson's Deposition I_nvolvement - Past and Future Page Line 9 18 Began in Spring 1979. Reason - To look at support for SW structure 10 17 Bechtel gave him no instructions or advice in' meeting NRC 11 5 requirements or regulations 14 11 Now share responsibility of underpinning work for AUX. Bldg. w/others 16 11 - Spent 10 full days in 1979. Includes review of info from borings and lab program 18 20 Spent 10 days in 1980. Spent 2 days in 1981 (day before and day of deposition) 23 6 In two year period - never gave written report. Gives idvice which Geotech incorporates in memos and minutes of meeting. 24 3, 7 Davisson does not do design details. He recommends possible approaches to problem. Bechtel evaluates approaches, detennines feasibility. Interaction w/Davisson required. 24 21 Not responsible for structural details of how pile is connected to structure. 40 20 On his concern for pile design - has been addressing them and expects to continue in future. 42 24 Expects to do consulting for Afifi in future - one aspect i would be method of installation (Pg.126, line 12). 64 10 Was not his job to study low blow counts and effect on compressibility, low shear strengths and liquefiable materials. 65 22 No responsibility for impact of underpinning on adjacent safety related piping (e.g., settlement) 69 4 Not responsible for evaluating effect of stress cracks on structure integrity. 72 .16 Not responsible for criteria if cracking should develop in reaction to underpinning. Is project's structural responsibility. I

u_2... n. Page. i.ine 79 11 Expects to be involved w/Q-A assurance manual (procedures). b 81 6 Either Davisson or his representative expects to be involved in monitoring the pile installation and testing. 89 23 Responsible for load carrying capacity and portions of deflections for piles under seismic loads. 90 10 Davisson does not have criteria on deflection' of piles under seismic. His responsibility is to furnish information on pile stiffness under certcin conditions. Bechtel projects is responsible for establishing deflections. 122 3. Corbel design is not his responsibility. It is Bechtel's project stru:tural area. 128 '13 Not involved w/ decision to surcharge DGB. 128 19 Was not aware DGB had cracks before surcharging or of concern to widen cracks. 129 6 Not involved in decision to remove surcharge from DGB. 136 3 Not aware of settlement problem w/ borated water tanks. 144 19-Uncertain of his future responsibilites in reviewing details proposed by contractor for electrical penetration area and feedwater isolation valve pits. 4 g,

_-e .._a e, V I Summa.y of Dr. Davisson's Deposition (Cont.). l l Comments on NRC 1 r Page Line t - 11' 18 _ Cat. I structures must function for "doorpsday" requirements (earthquake, tornado) 12 3 along w/nonral structure design requirements 53 22 Magnificantly overdesigned SW structure-combination bomb shelter and pill box. 54 11 SW structure is new and designed for " doomsday" type loadings 62 4 Under " doomsday" loadings. 106 18 Discusses check that representation to NRC about redriving piles be made. 109 3 "Spoonfeeding the NRC" - refers to resolving details of load transfer system which in real world could be left tc subcontractor. i 110 1 Unhappy w/NRC requirements. Are unreasonable. 110 3 Unhappy spectacle of regulation by lower-level NRC employee. Bad taste 111 1 Requirements would not have been imposed if NRC higher level had decided. 113 5 No use for borings that are being imposed. 114 7 Boring request is an. indefensible position. Just using brute force. 115 17 Davisson has trouble with competence of COE as NRC consultant. Based on boring request that came forward. I 117 24 Does not know NRC requirements for pilings at Midland ] l 1 l r 1

.. ~ . Summary of Dr. Davisson's Depositier. (Cont.) Important Statements w/Regards to Dates and Availability of Information Page Line 39 23 Based on December 1980 meeting, it appears there is now a better definition of pile loads. 45 25 Bechtel is in process of refining final design of piles (AsofDepositionDate1/14/81). 73 5 On March 25, 1980 Afiff transmits tech specs to Davisson (Is Exhibit 3) for furnishing, installing and testing closed end pipe piles for service water structure. 79 14 QA procedures w/ respect to installation of piling do not exist as of 1/14/81. 94 22 Recent information on seismic load to be resisted by piles 95 7 came to Davisson in December 1980. 96 7 Chen transmits revised tech specs to Davisson on 12/8/80 (Is Exhibit 6). 118 20 Davisson in fall of 1980 reviewed settlement estimate of piles 119 7 at SW structure. 124 8 OPEN question (as of 1/14/81) needing resolution - how many installed piles can be concurrently pretested - Depends on reaction that the structure can withstand. i I ,y -v---

-t ... Summary of Dr. Davisson's Deposition (Cont.) Bechtel's Procedure for Installing and Testing Piles @ SW Structure Page Line e 43 6 What are concerns on installing piles? Davisson - need procedure that is consistent with an acceptable load test to have assurance piles will have capacity after being driven - this is a QC procedure. 44 8 How would you test the pile to demonstrate load capacity. also 47 2 Pile is driven, filled w/ concrete, build deadload reaction above it (platfom w/ weights) insert hydraulic jack between platform and pile, use jack to apply load, observe settlement by various means, record pile settlement vs. time and load history. 45 1 How far will piles be driven into till? To a practical or refusal criterion for the hamer-cushion pile system - probably 20 blows / inch final driving resistance. 45 8 Davisson had someone rake determination on driving criteria - this is basis for 20 blows / inch. 46 21 Procedure to be employed to avoid damaging walls of SW structure - predrilling. 47 8 Pile Load Test to be conducted, not in final location, but at adjacent representative nearby location (within 50 feet). 48 5 Pile Load Test will include both live load and seismic load. 48 13 Pile Test will be run to determine negative skin friction. Pile to go thru fill and stop at till. Test to be Pull Out to determine ultimate uplift load which will be used as measure of negative skin friction. 79 24 Piles at service water structure to be tested individually to 150% of the load. 80 1 No group loading of piles is contemplated. 87 14 Contractor who drives piles will be looked to as author of QA-QC operation in conjunction w/Bechtel procedures. Considerable effort will be needed. L

2 Summary of C.. Davisson's Deposition (Cont.) Bechtel's Procedure for Installing and Testina Piles @ SW Structure (Cont.) Page Line 96 7 Davisson's coments on current tech spec draft dated 12/8/80 from Chen 97 9 Is not final draft. ~ 98 13 Project is reworking draft of tech spec. Several coments 9 meeting on proposed December 1980 draft included: 101 23 Writer of spec lacked knowledge on operation of hammer - For example valve mechanism. 104 5 Incorrect to indicate in draft that rigid leads extend 2 feet above where pile enters ground since driving will be I from top of SW structure. 104 15 A ridiculous requirement to limit handling stress to 21,000 psi l l 105 2 Davi; son recommended against using bitumen to reduce negative friction because a " great deal of care" needed to install piles w/ bitumen - Prefer to Eat load. 107 11 Need to correct percentage anchor piles in load test would i take (from 300% to 100%). 107 22 Correct wording on pullout test - pile driven only in fill, not till. 108 14 Need to rewrite paragraph on transferring load (109, 3 Spoonfeed NRC). 120 5 Need to revise spec since limit of six foot drop (Section 11.5) i and vibration (Section 11.6) can not reasonably be met. ~

.. - ~ j,s . Suninary of Dr. Davisson's Deposition (Cont.) Bechtel's Procedure for Installing and Testing Piles @-SW Structure (Cont) . Pace Line 122 22 Step by step procedure for underpinning SW structure. 123 4 Pile requirements as of mid-December 1980 are to have a compression ultimate test load = 300 tons. 123 8 300 ton load made up of net usable load of 270 tons plus 30 tons negative skin friction allowance. 270 ton load arrived at by having total load of 180 tons (includes earthquake) times 1.5 safety factor = 270 tons. 123 11 Factor of safety = 1.5 is consistent w/Bailly. 123 14 Several pile sections under consideration for 300 ton load. Both 14" and 16" and varying wall thicknesses (Pg. 41, line 3 need cross sectional area of steel to drive for needed load capacity). 123 18 Piles would be predrilled to till (approx. elev. 600). 123 19 Piles fabricated to length to stick up in air pass roof line y so that leads in hammer can be operated above structure. 123 24 Drive piles to bearing in till. 124 2 Cut piles at elevation suitable for working below corbel. f 124 5 Construct corbel in meantime and concrete piles. 124 6 Preload piles and pretest before fastening into the~ structure. T 124 10 Unsure at present on how many piles can be pretested concurrently - depends on reaction that SW structure can l make available. Obviously can not pretest all 16 piles or would tilt structure out of the ground. 124 13 Object of preloading - apply a series of load coupled w/a series of hold intervals on these piles. 124 23 Talking in terms of 210 ton load and cycling load several times. Then will hold load (perhaps 210 ton) constant cnd observe settlement versus time until relationship of settlement versus time develops that reasonable engineering can extrapolate in the future. i.- I gi

(-= =:.. 3 - Summary of Dr. Davisson's Deposition (Cont.) ~ Bechtel's Procedure for Installing and Testing Piles (Cont.) 125~ 5 After test, pile will be Locked Off at a predetermined load into the structure. Purpose of preloading and cycling is to get rid of creep and consolidation deflections before the pile is locked off. This occurs for all 16 piles. 125 12 Whatever Bechtel structural details are needed for covering the heads of the piles will then be constructed. 125 16 Explain process of jacking in and locking in. Corbei (really pile cap) is in place. 125 21 Set of details have to be designed to allow insertion of jack and jacking of load against pile cap in manner that shim plates, spacers and shims can be inserted and welded in place before lead is released from jacks. 126 2 Part of the control technique for effecting load transfer is to be able to observe the differential displacement betwe'en pile and gap and observe at what point a given load is attained. One can shim until upon release of the jacks this differential displacement is attained. Once attair?d, it can be welded in position and locked off final. (See Exhibit 8). 141 22 It will take several months to transfer the load to the piles. l 1 ~ -r

.x ~ ^ r ^ . - ~... .... ~.., v... Summary of Dr. Davisson's Deposition (Cont.). Pile Design Page Line 42 ~ 19 Now in stage where they need to drive a pile and load test and verify design assumptions; ' Load test-is final ' determining factor on adequacy.. 52 3 Structural group of project has ultimate responsibility for design of underpinning. 52 12 Dames and Moore original investigation at Midland gives-information on till into which the piles will be driven. 52 20 Information Davisson used from Dames and Mocre report was F descriptien of till, results.of SPT (exceededi100 blows), his experience w/similar material on other projects. 139 1 Calculations establishing pile capacity have little value - these theories will result in a fairly wioe variety of answers out of a group of competent engineers - full knowledge of fact that this is state of the art and best i information will be obtained from tests. 139 19 If lab strength test were to be run - would you make test on soil in undrained or drained condition? His methc' of installation, as (escribed, clearly provides you with a drained condition for each and every. pile. 141 8 In the event of earthquake will condition of soil at pile tip be undrained? Yes - pardon me, take that back. It would be drained or at least on a reload. 141 16 What will cause soil to be drained? The method 6f installation and pretesting, longtime hold. I mean, for certain it will have been preconsolidated to 210 ton load and anytime it now 1 exceeds 180 ton we will see it at least on reload or recycle. 4 4 l i l' l' ,,]

w a-. x a =.=.- ~ } 3.. ^ > Sumary of Dr. Davisson's Deposition (Cont.-) Midland-Bailly Comparisons ~ P_ age, ]:1pg 116 4 In your opinion are NRC requirements in Midland - do they . exceed the requirements for Bailly? 4 ~ 117-16 First of_all, they are different projects for different also purposes. However, Davisson has been assuming the 118 5 requirements would reasonably be consistent. He has not heard that NRC has said what the requirements would be. U-117 24 He does not know'what NRC requirements are for pilings at Midland Coments on Other Structures (DGB Elect. Penet. Area, Feedwater Isolation Valve Pits) Ease _ Line a 128 _13 ~Not involved in decision to place surcharge ii DGB area and 129 8 Not involved in decision to remove surcharge. 129 22 Davisson's professional judgment is time that preload was left on is adequate for future projection of settlem nt. 131 19 Davisson judgement that secondary consolidation was reached under surcharge is based on shape of settlement versus log - time curve. 143 9 At what stage is the development of the remedy for the Electrical Penetration Area? 143 21 He and Mueser-Rutledge are waiting for a little more definition what mioht be dring. 144 9 Specs have been developed and technique worked out between Gould and project and sent for bids. 144 -15 Some details are to be contractor designed details - so design is not finished. Still a lot of work. 144 ~ 21 Davisson doesn't know if his responsibilities will include review of nntractor details. Discussion with project on that matter has not been held yet. _ ~. -

2^ T. :- - ^ :.- T d. m. . w i F

Summary of Dr. Davisson's Deposition (Cont)

Davisson's Knowledge on Cracking and Piping 1 i E ge ' Line 1 iv 31 12 He is unaware of any cracks requiring analysis. If cracks existed the analysis would be done-by Bechtel's project. 'j 33 15 Eliminating shrinkage cracks - it is his opinion that it would not be difficult to analyze reinforced concrete structure for stress cracks. c 72 2 Expects jacking of pipe piles will close stress cracks that resulted~ from settlement of the cantilevered portion lof SW structure. 1 65-8 He is unaware of pipes running under the SW structure. 65 21 Expects negligible effect on pipe settlement due to impact of underpinning. j Canments on Request for-Borinos 1 Page. Line 58 2 Definitely don't need borings. 58 15 No conceivable use for additional borings at this point. I: 60 3 There is possibility one might find some use of information obtained from the borings in assessment of SW structura. Just not on table now. 114 10 Instead of borings - next piece of information requires is to drive some piles and run some blow tests and see what that provides us with. Much more useful than anything Mr. Kane could conceivably come up with. 133 18 In response to question 41:1 (page 136, line 12) Bechtel's but a political purpose (line 13) pose (page 138, line 9) reply does not serve a useful pur l' Same foolishness as NRC request for borings. 4 f G met h-. ~ = a*. 'w 4 w

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r _._.__ 1 ; n E U L _.- .lZ__ Z _ i l -- ~ T.7 T. Z Z Z Z.__-. i - -.. _ a_ _-_ - 4 j.,. p .. o. r UNITED STATES OF AMERICA NUCLEAR REGULATORY COMMISSION Before the Atomic Safety and Licensing Board ) In the Matter of )- Docket Nos.-50-319-OL ) 50-330-OL CONSUMERS POWER COMPANY ) 50-329-OM ) 50-330-OM (Midland Plant, Units 1 and 2) ) '- ) $ %.. e;,., 'A, l NOTICE OF DEPOSITION lJ PLEASE TAKE NOTICE that pursuant to the January 29, 1981 order of the Atomic Safety & Licensing Board Consumers Power Company shall take the deposition on oral examination of the following named person's at the times, dates and locations indicated. 9:00 a.m. Feb. 12, 1981 Maryland Natl. Bk. Bldg. John Gilray 7735 Old Georgetown Rd. NRC Staff Bethesda, Md. 21202 9:00 a.m. Feb. 13, 1981 Maryland Natl. Bk. Bldg. Harold Thornburg 7735 Old Georgetown Rd. NRC Staff Bethesda, Md. 21202 9:00 a.m. Feb. 17, 1981 NRC Region III Kamalaker Naidu 799 Roosevelt Rd. NRC S taf f Glen Ellyn, Ill. 1:00 p.m. Feb. 17, 1981 NRC Region III Gaston Fiorelli 799 Roosevels Rd. NRC Staff Glen Ellyn, Ill. 9:00 a.m. Mar. 18, 1981 Maryland Natl. Bk. Bldg. Joseph Kane 7735 Old Georgetown Rd. NRC Staff Bothesda, Md. 21202 goS Hf'f E S r m en %,v_ op-u c

r -- --

l:

[

-1, c- =4 Each' deponent is requested to make available, prior to his deposition, the documents described in Appendix A of the Notice of Deposition dated September 22, 1980, as modified by agreement of the parties. The subject matter of the depositions shall be^matiters, as limited by the January 29, 1981 order of the Atomic Safety & Licensing Board, relating to the issues set forth in the Order modifying Construction Permita, dated December 6, 1979 and the contentions set forth in the Appendix to the Prehearing-Conference Order Ruling on Contentions and on Consolidation of Proceedings (October 24, 1980) and the contentions of Intervenors Marshall and sinclair. Sincerely, bi Alan S. Farnell Counsel for Consumers Power Company ISHAM, LINCOLN & BEALE One First National Plaza t Suite 4200 Chicago, Illinois 60603~ l 312/558-7500 l r

3 s

J '~ tolztlec h!\\, L fe.Jh n, cal hc.a ho, 4c t A ct, I ve crud d te J q ck s.bn Leann3 ss e%y 4 L,aahoe,-{c< Conbi 4 Salem,d, e Leics, Sec,d 4 cu,1 Engeus 3 %l Mec6 eses und bndchns be, C.=,juence N.ld Ine W-G., t%4 atLyk. dun lnwaj S, Consumws ku Cc-poy. pesQ k R.hm 'k.4dh.e4}Mohbhon wcu ra I / f v( y 5, r/ + .p. e a.-

d Ko n e., -- i,,- (.. be.'d9h.dso . j( T I AM. LINCOLN & BEALE COUNSELORS AT LAW ONCrims NavsChaL PLA2a FQatv.$ CCONO FLOOR p Ca*C AGC. sLLINC.S 6 0603 [ ,# / TC.CDMC C 3 2 554 7SC0 TC=CA 2 $296 / /; j g, wasseenGTON OtrtCC e $.*,,'g stas CON =tcieCu? AvCNWE.N # ( / S.< ' t 32 5 1, k mas. %s-cs : C FOC36 r ses en en: b \\ ( \\.f i.. ( j v~ 'g I ,Y September 22, 1980 Y

?

T U--- Y Bradley Jones, Esq. })ones ,.q, Willi Pa , Esq. ~ ghh United States Nuclear Regulatory Commission pp Washington, D.C. 20555

Dear William and Bradley:

i Per my telephone conversation with Bradley last Friday, enclosed are deposition notices for the individuals we have identified to date. Since the deponents' addresses are unknown to us, please forward a copy to each individual. We have enclosed copies for that purpose. To the extent that the noticed detes are inconvenient wc will make every effort to accomodate your schedule. Thank you for agreeing to the notice procedure as this avoids the necessity of having to apply to the presiding officer for subpoenas. As I told Bradley, we will reciprocate and allow the notice procedure for Bechtel employees. i You will note that each deposition notice contains a request to produce documents. We would like to discuss any questions you may have regarding the scope of the request. Sincerely, [ Ronald G. Zamarin RGZ:jp v M -1[ ' g u ji/ M "i 1 ,,c

.t' ' 7 e o. UNITEDSTkTESOFAMERICA KUELEAR,REGULATORYCOMMISSION Before t e tom c Safety and Licensing Board ) In the Matter of ) ) CONSUMERS POWER COMPANY ) Docket Nos. 50-329-OM ) 50-330-OM (Midland Plant, Units 1 and 2) ) ) NOTICE OF DEPOSITION TO: Each person named in the attached Certificate of Service. PLEASE TAKE NOTICE THAT Consumers Power Company shall take the deposition on oral examination of the following named persons at the times, dates and locations indicated. 9:00 a.m. Oct. 7, 1980 Isham, Lincoln & Darl Hood, c,, rl % taws 1 Beale, Room 325 NRC Staff pe, 1 *Be 88"* MI 1120 Connecticut c.m 6

M '$4 Wash., D.C. 20036 1:00 p.m.

Oct. 8, 1980 Isham, Lincoln & Lyman Heller, twN6B buo Beale, Room 1120 NRC Staff 1120 Connecticut Wash., D.C. 20036 1:00 p.m. Oct. 9, 1980 Isham, Lincoln & Joseph Kane, f* D P> 4$50 Beale, Room 325 NRC Staff 1120 connecticut Wash., D.C. 20036 10:00 a.m. Oct M 1980 Isham, Lincoln & James W.

Simpson, (Tobe,c,

,M Beale, Room 4200 Corps of Engineers Guqad b One 1st Natl. Pl. qQ , $r, CcA,AG,nouom,$hgog fg.g60603 Ed. bw. G.bbc,t Dabd Qn U. N ea Or '*Tf:, Nef( Q,,hgl hgggo OiCAp,N\\ WoS NC0-ED.G %r a iwssp 3 7(Y. d44-o s^ g m,,, c'mf,.ba,e m. Sec.h.,s., 6e4Ind wa e,,w., m m.

.., _ ~ ~ ~ --- = 1 E' %) }us u\\ oa be g +Em, j wra W,.ur, W w h % 0: ' EU.S. A<+ Ccen d. 9eev.s *47m f cc 3' t 4 v.o. %w to2. i % No be.t,est Mich.4%2 31 - W4,hQ. %% ); 10:00 a.m. Oct. 15, 1980 Dykema, Gossett, William Lawhead, f 'S Spencer, Goodnow & Corps of Epgineers Trigg,-35th Floor MM Ack teennted hn6 3 400 Renaissance Ctr. l' y eering b Sto n Detroit, Mich. 10:00 a.m. Oct. 16, 1980 Dykema, Gossett, Ron Erickson, Spencer, Goodnow & Corps of Engineers -i Trigg, 35th Floor GEcl*y&Y 400 Renaissance Ctr. Detroit, Mich. Each deponent is requested to make available, five business days prior to his deposition, the documents described in the attached Appendix A. The subject matter of the depositions shall be all matters relating to the issues set forth in the Licensing Board's Order of December 6, 1979, order Modifying construction Permits and the agreed to contentions of intervenors Stamiris and Warren. Sincerely, b. h * =1h Alan S. Farnell Counsel for Consumers Power Company I ISHAM, LINCOLN & BEALE One First National Plaza Suite 4200 Chicago, Illinois 60603 4 312/558-7500, s e e w w,,-,

_._ n _,__ ___ _ ___u w ee.. _ .,_~: a . = = ~: w. m s e a= = ===.e.= m w nr~n-l ~ y r .i j APPENDIX-A 5 Definitions The following definitions apply to the Request

t. -

to Produce: j 1. As used herein, " documents" includes, but is d, n'ot limited to, papers, photographs, criteria, standards 1. of review, recordings,. memoranda, books, records, writings, lt-letters, telegrams, mailgrams, correspondence, notes and minutes of meetings or of conversations or of_ phone calls, interoffice, intra-agency or interagency memoranda or written communications of any nature, recordings of conversations either in writing or upon any mechanical or electronic or electrical recording devices, notes, exhibits, appraisals, work papers, reports, studies, opinions, surveys, evaluations, pref actions, hypotheses, formulas, designs, drawings, manuals, notebooks, worksheets, contracts, agreements, letter agreements, diaries, desk calendars, charts, schedules, appointment books, punchcards and computer printout sheets, computer data, telecopier transmissions, directives, proposals, and all drafts, revisions, and differing versions (whether formal or informal) of any of the foregoing, and also all copies of any of the foregoing which differ in any way (including handwritten notations or other written or printed matter of any nature) from the original. 2. " Documents" refers to each document within the possession or control of the individual deponent as well as the possession or control of the organization by which said 1. t>

c_ountww -m u naw-~=-~~--~~~ i- .j. b deponent is employed or engaged (e_.g., NRC Staff or Army j Corps of Engineers). i 3. The terms " relate to" or relating to" shall consist of, refer to, reflect or be in any way logically mean: 3 or factually connected with the matter discussed. 4. The words "and," and "or" shall be read herein in the conjunctive or disjunctive or both, as the case may be, all to the end that the interpretation be applied which results in the more expansive production. 5. The term " soils matters at the Midland site" shall mean the issues set forth in the December 6,1979 Order and all further related issues raised to date by the Staff and its consultants. Request To Produce l Please make available to Consumers Power Company (" Consumers") for inspection and copying the foll'owing: 1. All documents referring or relating to the i investigation conducted by Region III, Office of Inspection and Enforcement, referred to in the third paragraph of page 1 of the December 6, 1979 order. 2. All documents referring er relating to the assertion in the first full paragraph of the December 6, 1979 order that "This statement is material in that this portion of the FSAR would have been found unacceptable without further Staff analysis and questions if the Staff had known that Category I structures had been placed in fact on random i f i='

_. w- -was - a - _- + __._,_,w a_sm,w _ x= --2 3y. y L .t fill rather than controlled compacted cohesive fill as stated I in the FSAR." I 3. All documents referring or relating to the . evaluation or consideration of the information submitted by Consumers in response to the (a) 10 C.F.R. 550.54 (f) requests i i of the Staff, (b) soil settlement questions propounded by I j the. Staff, (c) requests for additional inforuation regarding { plant fill, and (d) any other requests for information concerning the soils matters at the Midland site made by the Staff or I its-consultants and not encompassed by sections (a)-(c). 4. All documents referring or relating to each decision to seek initial information or supplemental informa-tion from Consumers pursuant to (a) 10 C.F.R. 550.54(f) l requests, (b) soil settlement questions propounded by the 1 \\ Staff, (c) requests for additional information regarding plant fill, and (d) any other requests for information concerning the soils matters at the Midland site cade by the Staff or its consultants and not encompassed by sections (a)-(c). 5. All documents referring or relating to the cvaluation or consideration of the information with regard to the soils at the Midland site submitted by consumers under 10 C.F.R. 550. 55 (e). 6. All documents referring or relating to the " review of the information provided by Licensee in response to the Staff questions," a's that phrase is set forth in the first full paragraph of page 3 of the December 6, 1979 4 order. o:

awnawwwww.=m_2 - a m m m = ~ ~ < = = = n === =' = ===" " * "'"i ' fi I-7. All documents referring or relating to the Staff's position currently and at any time previously that the information provided by consumers Company fails to provide " acceptance criteria" as that term is used in the December 6, 1979 Order, page 3. 8. All documents referring or relating to the Staff's position currently and at any time previously that it cannot conclude that the safety isrues associated with the remedial action taken or planned to be taksn by Consumers to correct the soil deficiencies will be resolved. 9. All documents referring or relating to the Staff's position currently and at any time previously that it does not have reasonable assurance that the affected safety-related portions of the Midland facility will be constructed and operated without undue risk to the health and safety of the public. 10. All documents referring or relating to the ~ Staff's decision to retain consultants in regard to the soils matters at the Midland site, 11. All documents referring or relating to any meetings or consultations, telephone communications or other communications between or among the identified deponent or to which he was a party or observer and anyone else, including without limitation, representatives of licensee, NRC Staff or others, with regard to or relating to the soils matters at the Midland site. _4

++4) '8, ((j k@fg7/ k IMAGE EVALUATION k//77

/ p #

V TEST TARGET (MT-3) 4 y,,, + /<gs,,,, + 1.0 lf 2 M ~ 'd N 04-m m hN D l,l 1.8 l.25 1.4 1.6 4 150mm 4 6" kkV*/sbf ?++///p 3>r% ta k e //// v _ gen'=r' ~w___

-- m _. m,. _ s wm m_m,,__,._ _ = _ _ _ = =~ ~,. .-_-_-.____-m . mm. it-l. j ll t 12. All documents obtained by, provided to, or created by the deponent with regard to the soils matters at .the Midland site. c! j 13. All documents referring or relating to the decision to seek and the request for additional borings from 1: Consumers, including any consideration or evaluation of Consumers' response thereto. i l 1

i

+ __ _l i_

u,-a,my,_ + . -- l. na. w_wacw:ma mnw._,,awerna-v: n

i. =.

-~ 3.- l r UNITED STATES OF AMERICA NUCLEAR REGULATORY COMMISSION Before the Atomic Safety and Licensing Board 'i -j - r 4 } j In the Matter of ) ) CONSUMERS POWER COMPANY ) Docket Nos. 50-329-OM ) 50-330-OM _ (Midland Plant, Units 1 and 2) ) ) ) CERTIFICATE OF SERVICE i I, Alan S. Farnell, hereby certify that a copy of Consumers Power Company's Notice of Deposition was served upon all persens shown in the attached service list by deposit in the United States mail, first class, this 22nd day of September, 1980. h. Alan S. Farnell I 6 1 li i.

,...j t a. SERVICE LIST i Frank J. Kelley, Esq. Grant Merritt, Esq. Attorney General of the Thompson, Nielsen, Klaverkamp & James State of Michigan 4444 IDS Center Stewart H. Freeman, Esq. 80 South Eighth Street Assistant Attorney General Gregory T. Taylor, Esq. - Minneapolis, Minnesota 55402 Assistant Attorney General Atomic Safety & Licensing Appeal Panel Environmental Protection Div. U.S. Nuclear Regulatory Commission ' 1 720 Law Building Washington, D.C. 20555 i Lansing, Michigan 48913 Mr. C. R. Stephens Myron M. Cherry, Esq. Chief, Docketing & Service Section One IBM Plaza Suite 4501 Office of the Secretary U.S. Nuclear Regulatory Commission Chicago, Illinois 60611 Washington, D.C. 20555 Mr. Wendell H. Marshall Ms. Mary Sinclair RFD 10 5711 Summerset Street Midland, Michigan 48640 Midland, Michigan 48640 Ivan W. Smith, Esq. William D. Paton, Esq. Atomic Safety & Licensing Bd. Counsel for the NRC Staff U.S. Nuclear Regulatory Com. U.S. Nuclear Regulatory Commission Washington, D.C. 20555 Waahington, D.C. 20555 Dr. Frederick P. Cowan Atomic Safety & Licensing Board Panel 6152 N. Verde Trail U.S. Nuclear Regulatory Commission Apt. B-125 Washington, D.C. 20555 Boca Raton, Florif.a 33433 Barbara Stamiris Mr. Gustave A. Linnenberger 5795 North River Road Atomic Safety & Licensing Bd. Route 3 U.S. Nuclear Regulatory Com. Freeland, Michigan 48623 Washington, D.C. 20555 l' William A. Thibodeau Carroll E. Mahaney 3245 Weigel Road Ti Babcock & Wilcox Route 5 P. O. Box 1260 Saginaw, Michigan 48603 Lynchburg, Virginia 24505 Sister Carol Gilbert Patrick A. Race St. Joseph Convent 1004 N. Sheridan 903 N. Seventh Street Bay City, Michigan 48706 Saginaw, Michigan 48601 George C. Wilson, Sr. Terry R. Miller 4618 Clunie 3329 Glendora Drive Saginaw, Michigan 48603 Bay City, Michigan 48706 Sandra D. Reist Sharon K. Warren 1301 4th St. 636 Hillcrest Bay City, Michigan 48706 Midland, Michigan 48640 i Michael A. Race 2015 Seventh Street l Bay City, Michigan 48706 i sse,w w=*e ~ " * *= "~

a___ ] . A P I // i* f Ag / UNITED STATES AMERICA NUCLEAR REGULAT Y COMMISSION Before theI tomiclSafety abd Licensing Board 0 / ) In the Matter of ) Docket Nos. 50-329-OL ) 50-330-OL CONSUMERS POWER COMPANY ) 50-329-OM ) 50-330-OM i (Midland Plant, Units 1 and 2) ) ) Obn CM$ NOTICE OF CONTINUATION OF DEPOSITIONS PLEASE TAKE NOTICE that Consumers. Power Company shall continue taking the deposition on oral examination of tae following named persons at the times, dates and locations indicated. p 3 k m 9-6,'2.1 s 9:00 a.m. Dec. 2, 1980 Maryland Natl. Bk. Bldg. Joseph Kane (c q 7735 Old Georgetown Rd. NRC Staff f Bethesda, Md. 21202 ~ 9[00 a.m. Dec. 4, 980 Maryland Jatl., Bk. Bldg. Lyman Heller 7735 Old Georgetown Rd. NRC Staff Bethesda, Md. 21202 % e-n& Sincerely, i t k-h Alan S. Farnell p Counsel for Consumers Power Company ISHAM, LINCOLN & BEALE One First National Plaza Suite 4200 Chicago, Illinois 60603 312/558-7500 .M i1.J WMAu1, 1 ,- n -, l. _. -

T i (L%s,> E X I b i 4 mpm om. e ~ -- ~ s L L. ._.--_..__ ___. N, hygti l 'N \\ widwho p.Q. t f E e l 'N ~ 's, 4shed s g

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R. W ; n*snx.*; w7%.m &.. gd.<, g.,' "'M 4,, y ~'; 6 '.N;.'.F W e._ ,;, %.._ h.3,z &. 4i ': YN f,Nu~% .:..y g-Q.g y.- M., ggf,,g-m s.y u- ,me. QpgQ.4'jfLM.. ';,,. g,, g,, .,. 9 %; W,,:... ..,i w & w c. C g@gsc-p gn ,p 4-u w. gez we a v. - Q 6MBOK.$c Tptp?fm..w?u.~.3.:*,%,,,infCy.G.@...a%,%e c;<. p. c. ..4

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i. h .m. @d ' W ' E _Y.i C, /s., ) b.h q% 85 ..f - tre.13 Compreuibility of ConSned T.ayers of Soit l, e., ~ ,. m.. g~.. m gm.. ~

a c..

~ p '3 " g' ' tint contact of long duration may create molecular intergranular 6 .r ends which are wholly absent in a remohled soil. Therefore, the rela- [j;(y.g cg,- Q, m ;./., ,./ , g J., ions between void ratio and pressure for remohled and undisturbed ,Qj.g7>. 9 i.,gi.gQ.y oils are likely to be ditierent. They are discused under separate ' 11 0 y j subheadings. gg

'ompressibility of Crushed Minerals and Remolded Soils W;' ; *

?.7WN %:b,M.,. h:q se ,. n - . se

V:.

...A Typical e-p curves for various crushed minerals and remolded soils , y F C > 5' M M:3W.W.%$ s ' b. *.9Ner :Whpq.9 % e' tre shown in Fig.13.2a, and the corresponding clog p curves in Fig. i' h*/ ; Q, $y/,% Q[~i *? . ' ' M' i l't.26. The effect of the shape of the grains on the compressibility of the u. .jgy

j. -

grain aggregate is denTonstrated by curves a, 6, and d, in Fig.13.2a. ~< q -'+e ~ w Curve a corresponds to a mixture of S0To sand and 20% mica; curve b [ Ill' " )k Y N f'.f'.D.% $ W Oi to 00% sand and 107, mica; and curve d to 100% saml. Each sample e-^e p

i w ' '

I eas initially compacted by rodding and vibrating (Gilboy 1928). ..,.R j 'T y[j%. 4-These curves demonstrate that the compressibility increases greatly ~ . 2 'I eith increasing percentages of scale-shaped particles. Furthermore, el j. Fig.13.2a shows that the average slope of the curve d for dense sand is l ;p' g+ y considerably flatter than that of curve e for tho same cand in a loose ,.,.s 3 ' ~ ~ " ' state and that the void ratio of a loose sand, even under very great i i i pressure, is greater than that of the same sand in a dense state sub- {J jceted to no pressure. ~ j . Figure 13.2a also shows that the curve e corresponding to a remohled J,$ ,t, .__y..

6.'

P,t. c. h... - $. sample of a soft clay is very similar to that for a mixture of 007, sand A ..c e: I s. . :.~

%,- a 4, -

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b g

( ( l 2 ~~ a sr:sotso+tonoms ..,t &+p 4.., + b: 'M b:90% s.r+ t0% m s c: Loose sad l L

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'" ', ~ - -~ -~ ~, ' * ' ' g a r:Wt Cr?roitc/gy It: cf 5 .A , ?. s.' &y ,}i;4 N i. I...,4 . %', A. w, e. w.p.,v,- c l 3 i.',. A'Of g v ~ t_ d ~- ..h~.:: l d5 ~% g. o ' f; ....I* 7 l! ',y :? a ' ft i SWN

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to got at / to too 1000 Pressure p kr M/cor' kessure p in kg/cm* ficq Sca/N I &%. 5;p .1.Q~. R w .p Fig.13.2. (a) Typical e.p curves. (b) Corresponding e. log p curves representing

li

[Q ,, E.y 1<' H- . E.Gac , - < m,,.. results of compression tests on laterally conSned laboratory soil aggregates. Q ~ ~.- -. :,, o,, 1, w c ..'a-h

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w: - + t q 4(' T. :_ EM 1110-2 e2300 ( 1 Ma r 19 71 CHAPTMR 7 3 CONSTRUCTIO N /^ k 7-1. General. The design of an earth or rock-fill dam continues until con-a. struction is completed..Much additional information on the character- 'istics of foundations and abutments is obtained during clearing, strippinig, and trenching operations, which may_ confirm or contradict design as-sumptions based on earlier geologic studies and subsurface exploration JL by drill hoics and test pits. Operations in the borrow areas and in re-quired excavations also provide nvich data pertinent to characteristics [ g of fill material and of excavated slopes. Weather and groundwater con-j ~ditions during construction may significantly alter water contents of e l-proposed fill material, or create scepage and/or hydrologic conditions, 3 necessitating modifications in design. Sound knowledge, experience, and judgment are required in the field as well as in the design office. Dis-f trict and Division soils engineers and geologists should visit the con-l struction site, particularly in the earlier construction stages, the The - duration of the visits being related to the complexity.of the project. performance 'of regularly scheduled inspections is one of the functions of t the Divisions and Districts in accordance with ER 10-1-3, App. XIII, 1 May 1968, paragraph to and paragraph Su,. Emphasis is placed on these visits in paragraph 6 of General Cassidy's letter of 6 May 1969, ~ subject: " Civil Works Construction Deficiencies," "With respect to I our attack on this problem, I wish to stress again the essentiality of reg-ularly scheduled, periodic visits to the project by senio'r engincors from both engineering and construction elements in District and Division of-fices. 'Due to the ever-present possibility of unforeseen developments, the design of a project cannot be considered complete until the project }t is finished. Thus, engineers familiar with the bases of design must be included in such visits to determine whether' design modifications are required to meet the field conditions actually encountered. Division and District engineers should ensure that such visits by both'enginear-ing and construction elements are scheduled in advance and on a regular - basis, and that there is a follow-up system to ensure that the schedules i are met." The Resident Engineer's' staff must be well informed on the l various elements of the design and in basic considerations involved so that they can recognize any conditions developing during construction 1 which necessitate reconsideration of certain design features, t l

b. Environmental considerations discussed in paragraph 1-8 t

must be given attention in construction operations.

c. Field construction control for earth and rock-fill dams is a 71 i

G0 4 i ~***--+.-,.m g._,,_ m.. t -w-w. e, oemmenosome- -- ..me<=+o, v v-o w e,m a -am

a + l EM t i10 2-4300 t hiac l')71 cumploy subject embracing many aspects of foundation treatment and ir prep.u ation, e.seavation, and fill operations. An 10ngineer Manual is e-being yepared on this subject, and only a few comments will be made e 1 here. Y c 7-2. Vianal Observations. Visual observations during all phases of 1 j construction provide one of the most useful means for controlling con-1 l struction and assessing validity of design assumptions. It is not prac-2 3 tical, for economic reasons,'to perform enough field density control ] tests, to install enough instrumentation, and to obtain enough data from preconstruction subsurface explorations to ensure that all troublesome I conditions are detected and that satisfactory construction is being 1 achieved. While test data and instrument observations provide more detailed and quantitative information than visual observations, they 4 serve principally to strengthen and supplement visual observations of the embankment and foundation as the various construction activities are going on. Field forces should be constantly on the alert for con-ditions not anticipated in the design, such as excessively soft areas in the foundation; jointing, faulting, and fracturing in rock foundations; unusual scepage; bulging and slumping of embankment slopes; exca-vation movements; cracks in slopes; and the lik'c. It is particularly i important to make observations during the first filling of the reser-voir as weaknesses in a completed dam often show up at this time. Visual observations of possible distress such as cracking, the ap-pearance of turbid water in downstream toe drainage systems, cro-sion or riprap, soft, wet spots downstream of the abutments or at the i downstream toe or on the dovmstream slope, and other observations are important. Observations of instrumentation also yield valuable data in this respect. 7-3. Compaction Control. a. Principal compaction control is achieved by enforcement of specifications relating to placement water content, lift thickness, com-paction equipment, and number of passes for the various types of fill being_ placed. Experienced laapectors can quickly learn to distinguish visually the various types of fill materials to be placed, to judge e whether the water contents are within the specified range for compac-tion, and to assess whether satisfactory compaction is being achieved. This ability is gained by closely observing the behavior of the materials ) during spreading and compacting operations.

b. A systematic program of field compaction control should be established and executed, involving determinations of in-place densities and water contents, and relating the results to specified or desired limits of densities and water contents. Special emphasis must be placed t

t 72 t' e o 8 s \\ y l t, ~.. l ... _ _... -, _ _. ~. - -

m _w_ a f s ;g i _~--.. t l Eh! 1110-2-2300 i j i hiar 1971

q

%/ . in the compaction program on the need to obtain sufficient densities in cach lift along the impervious core-abutment conta,ct and in each lift on 7l cither side of the outlet conduit along the. backfill-conduit contact to verify adequate compaction in these and other critical zones. If good correlations can be obtained between direct methods and nucicar i] moisture-density meters, the latter may be used to increase the num-ber of determinations with a minimum increase in time and effort, but nuclear measurements cannot be used to replace direct determinations. ,(

c. In order to check the adequacy of compaction in the various t

~ cmbankment zones and to confirm the validity of the design shear strengths and other engineering parameters, a systematic schedule for obtaining 1-ft-cube test pit samples at various elevations and lo-cations in the embankment should be established. Sampics so obtained will be suitably packed and shipped to Division laboratories for per-formance of appropriate tests. I 7-4. Construction Records. Complete construction records must be maintained. Such records will provide useful data for designing alter-l ctions and additions to the structure, in assisting in determining causes of undesirabic vertical or lateral movements or scepage, and in inter-i preting piezometric data. As-built drawings, construction photographs, description of foundation conditions encountered, various treatments, compaction data, and test data on record samples should be included in the records. The foundation report should be complete with such details as dip and strike of rock, faults, artesian conditions, and other charac-teristics of foundation materials. A complete history of the project in i narrative form should be written, giving the schedule of starting and completing the various phases of the work, describing construction l methods and equipment, sumrparizing quantities of materials involved, and other pertinent data. An accurate record should be maintained as 1 to the extent and removal of all temporary riprap or stockpiled rock such as that used for diversion channel protection. Compaction control data, piezometric data, and observations of vertical and lateral movc-j ments must be maintained on the ENG forms referenced in ER 1110 4 1925. Details concerning the use and preparation of construction I foundation reports are presented in ER 1110-1-1801. 4 } t t l 1 I i 7-3 4 f d l

F~ b' ' b i.I y 3NCn v., d.'?.{OTN u Qg. .., 4 3, i 3.&.a Nol.1 (p 5 h (l $.15) !.). ,,t ' iiidery of Events Related to Plant Fill Settle,ent Problem at.

Subject:

the :lidl6nd Plant f Prepared by: J. D. Kane, GES, HGEB, DE Date Event Decmber 15, 1972 g'siguedforbothUnits1and2'atMidlandsite. E .D ~ h ed"[tarNIM,$,88 stobd O .b;'is t 22,1978 CP Co. informs !;RC. Resident inspector of unusual.. s,e ttic nt Generator Building.Qros b.E l cwwy.g3ci,of.the,piesejwi e i u., s q i Septa.bar 7, 1978 Under 10 CFR 50.55(e), CP Co. notifies Co.:;nission j by telephone of settlenent problem. j September, 1978 thru 10 Interim Reports submitted by CP'Co. on j Nove..ber, 1979 settlement problem. I february,1979 to Surcharge program to proload Diesel Generator Suildin9 Septeuber, 1979 Area was completed } March 21, 1979 Director, OfiRR, formally requested under 10 CFR l 50.54(f)3 infon ation to determine if CP should be modified, suspended or revoked. i April 24,1979 thru CP Co. responded in six letters, under oath, to November, 1979 !!RC request for infonnation i icch: Sd. HT-1 ccE. uplogd c.r. Netc. (4,,,sa W t December 6, 1979 fiRC (!&E & tiRR) issues show cause order that restricts construction associated with soil activities J for structures founded in and on plant fill'naterial, tiRC cites reasons for need to issue order on failure to provide adequate criteria on various remedial J [ measures, Q-A deficiencies, false statement in FSAR i (App. B of Show Cause Order). l I&E findings in investigation from October 1978 to c January, 1979, included: 1 [ 1. Q-A Deficiencies relative to soil construction activities. a. Failure to follow certain desi9n and o construction specifications on foundations ) material properties and compaction require :ents. i N# (. 6. g'. *

h N, h,

,h. g% g g,, e 4 ,g "' N ""N' O 2 dM" J f2' 0.'.Mm:.'$dS, d[

- 4*

i' . - -. ~

c } yn 3. t.l F i ' j i f f b '. ~! ack of Agort 'm's. cn Contractor's .:ngineering and ccostructicn offices. a 1 c. Lack of control and supervision of plant a fill placenent resulting in, inadequate

1-compaction of foundation caterials.

d. Insufficient corrective action on noncen-formance items. -g 7-e. FSAR contains inconsistent, incorrect and unsupported statements with respect to (. foundation type, soil preperties and 1 settlement values. ij. W 2. FALSE STATEMENT "All fill and backfill were j placed according to Table 2.5-9". Show Cause l, Order states that it would be unacceptpble to W the !;RC Staff for Cat. I struct'ures to be founded on random fill rathdr than controlled compacted cohesive fill as stated would be the type of fill in the fSAR. December 26, 1979 CP Co. filed a Request for Hearing ii April 16,1980 CP Cs. filed Answer to f.'otice of Hearing May 27, 1980 CP C0. filed notion for Partial Consolidation

[

June 30, 1980 tiRC reiterates request for additional explorations.

j Recomends boring locations in DGB area, Auxiliary Building, Service Water Pump Structure and Embarkmant for Cooling Pond (letter from A. Schwancer y

1, to J. W. Cook, CP Co.). k July 31, 1980 At insistence of CP Co., meeting held in Bethesda to } discuss I;RC request for additional explorations. August 4, 1980 flRC (A. Schwencer letter to J. W. Cook, CP Co.) letter transmits COE report that summarizes their safety review to date to CP Co. j .i August 12, 1980 fiotice of !!ceting - CP Co. Appeal of Staff Position ] Requiring Additional Explorations and Testing August 28 8 29, 1980 Plant site visit and meeting to hear appeal. Septenber 10, 1980 Special Prohearing Conference (To comply with j ASLB Orden of March 17,1980). f Cd.hneo imk,3 We.,m, ws;c., cn 47731 n n

y ~ N) tY inhL, = - - - - - 3 **N h ed.d. k r ,e c., c1.r.3 M,i 1 A3) soil sf. : it i " *;; /;p '; ', ;'s 1 1; 1.

50. i4( f) 4nt-to~ Cons 6,r.ers power re gany in ' arch 19/9. A t Ga t *.: 2

]:p IE im.ot m:ded to :.'RR that a show rause be issued to s :,p ccusteuf;n.

It *ns agreed -(!;22/IE) that 50.54(f) vauld be sufficient.

T 2. General question of QA adequacy of Utility /AE was discussed internally by IE/i:RR on August 16. IE was to ask region to n:ake a finding as to

adequacy of QA implementation.

Special consideration was to be given soils settlement matter in relation to the reports of QA deficier.cies in other areas. 4 3. Latest response to 10 CFR 50.54(f) follou-on questions regarding QA of plant fill ' received on 11/13//9. (fentative QA Scanch position suggests response still unsatisfactory.) y j 4 Review'of Midland Soils Settlement sub.aittals given to Corps of Engineers j at end of October. (Tour of site rade by Corps of Engineers 1 i;RR staff d fios ei..ba r ' 14. ) 4 5. To date,($jutilitics3 replies to 50.54(f) have not described acceptance q criteria for cor.:edial action, prior to such action. Applicant vicas the remedial actions as " proof tests" uhich preclude need for such criteria. Staff decision as to acceptability of recedial action rust await co.mpletion of the progra:n, and applicant must proceed entirely at his risk. t 6. In a :::ceting on iovember 23, IE developed a new position: o a. Overall QA perforrance acceptable because it identifies QA deficiencies; b. IE now raises question as to the acceptability of the design fix i and draws the conclusion that the modification constitutes a departure from the principal architectural and engineering criteria; c. IE suggests Stello/Conton meeting ASAP to develop a decision for 1 enforcement actions relative to applicant's failure to comply with design approved by CP. 't l ai V t i l .) ' l n i 1. t' 1 48 - 1

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y 1 7.4.,1 8.3 :'3 -. 'd i.

- ~. .e s. icint contact, of long duration may create molecular intergramdar s. s,. d Q NANt f{,}"- sond.4 which are wholly absent in a remolded soil. Therefore, the rela-r N.WY - ions between void ratio and pressure for remohled and undisturbed 4 is are likely to be different. They are discuued umler separato i; j ?lYht, FD $q(M g i % ' 'I .l. ?

ornpr:uibility of Crushed Minerals amt nemolded Soils

. W..- g g .T Typical e-p curves for various crushed minerals and remohled soils !,b g.y.. ' i pt 7 are shown in Fig.13.2a, and the corresponding e-log p curves in Fig. !-[ g.p k g -MpoQtu,,; 2M4 gMgle, 4 13.26.Thi etTect of the shape of the grains on the compreuibility of the l: ;p' l;., ' W i Q A, M,* p f. $. i* A i gr in aggregate is demonstrated by curves o, A. and d, in Fig.13.2a. ??.4 ' to 00!* sand and 10?L mica; and curve d to 100**, sand. Each sample 'N 'y Qh,h. N

F.'i.a*QQ f

Curva e c:rresponds to a mixture of 80c" sand and 20!L mica; curve 6 h,.h,,,,y,; g ;.. *; 'f cas initially compacted by rodding and vibrating (Gilboy 1928). g T V.lJJty,p g g ;,%lf fV.1,-f, There curves demonstrate that the compreuiliility inerenses greatly l1, s t r 'p-l;f-4ith increasing percentages of scalc. shaped pa.tirles. Furthermore,

" 'c A';

., M ' ' rM

t 4

Fig.13.24 shows that the average slope of the curvu d for dense sand is ,,j,I.h [* $,." eonriderably flatter than that of curve e for thu same sand in a looso j, f

J,},,

Y .T state and that the void ratio of a loose mand. cycu under very great preuore, is greater than that of the same sand in n dense state sub- ^ Q' ")i'M "- beted to no pressure. i . Figure 13.2n also shows that the curve e corresponding to a remolded 3- , i I %bfS,r,..6 - '...y& sarnple of a soft clay is very similar to that for a mixtura of 00?L sand i"' 1 e.n... n1%.r s. :2 * '.. w' '..;.,' t* '.n;- - in . =, s3, ee-4 N - r s.,,

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4.,

,9 g, results of comprenton tests on laterally confned laleurstory soil aggregates. p f. ,y f ' J 4 '., ,,,,..J. f. %

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ML20095A255

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Dear William and Bradley:

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ML20095A255

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Subject:

Dear William and Bradley:

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