ML20050C191

Interrogatories Re Cask Drops,Crane Accidents & Threaded Pipes

ML20050C191
Person / Time
Site:	Big Rock Point File:Consumers Energy icon.png
Issue date:	04/02/1982
From:	Oneill J O'NEILL, J.
To:	CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
Shared Package
ML20050C168	List: ML20050C167 ML20050C176 ML20050C191
References
NUDOCS 8204080258
Download: ML20050C191 (11)

Text

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,^ w UNITED STATES OF /JERICA HUCLEAR REGULATLRY CGGilSSTOL T2 G -3 All :31 BEFCRE THE ATOIJIC SAFETY AND LICENSIf!G BOARD In the Matter of Docket 14 caber 50-155 CONSUI.iERS TCWER CCMPANY

)

(Spent Fuel Pool Isodification)

(Big ' Rock Nuclear Plant) )

John O'Heill'n Interrogatories to Consumers Power Company Concorring Gns e Dyfy, Crane Aq2 dents _ and Threaded Pips t

i

1. Please ansvier the follouing fully and without reservation.

2 Identify all documents relied upon in answering the cuestionso

3. Identify all documents reviewed but not reliad upon in ansucring the auestiona, 4,

Identify all persons consulted in answering the questions.

5. Identify all possible witnesses who will testify at the hearing concerning those ouestions o

6. Identify any activities of the licensee or NRC that night chance the ancwers to any of these questions, and the maner in which the answer (s) can be expected to change, including modificationa conneci with the proposed expansion.

Answer the following questions for each crane within containnente including the 75 ton single len gantry crane, the 75 ton spent fuel handling loading cranc., the.5 ton monorail crane, and any other cranes within contain.mento I,

Describe the crane:

1 flanufacturer (Including manufacturer of any najor components)

2. 'leight.

3. Dinensions.

4. /w.o and date or installation, including datos of replaced e,ulptnent,

5. Supply technical drawings and photographs that clearly show the crane, 8204080258 820402 PDR ADOCK 05000155 PDR

[.

~

2.

II.

Area 1.

What in the precise area over which the c operated?

rane can possibly be 2

What is the precise area over which th to be operated.

e crane is allowed (Cite and quote the documents that restrict allow bl a

e area.)

3.

Extreem limits of the area into wh ould (Full answer not to be avoidc6 by reference t probab,ility of auch an event.)

o the A.

casks could be dropped:What are the limits to the area in of the

a. while the crane is stopned, b, while the crane is. moving at top speed

c. while the trolley is moving at top spee,d

d. chile the hoist is liftine and e, during the worst case combination of b, or lowering of Int. II-1, and secondly of Into II-2.)

~

s 5.

Describo all nachinery, nonotoring equiptnent stations, pipine

, personnel within th' aren (,!escribed intpumps, wirinF, structures ete

a. II-tc

b. II-2:

c. II-3:

de the largest area described in ans':er to II b n 6

Ans'er those questions for each mnchine ee.

equiptment,

a. V'hich of these are celsnicallvetc listed in response to Int., n II-5.

F.'Uhich of thcae are reauired t'nualified?

mualified lut presently ari not?o be seisnically

d. Which of those could withstandsc. hich of thcne a

i. The severest possible cask d op:

11. the severor,t possiblo cas" dron under Ello conditions;

'"able (1. acha for the -torst accidnnt norsible

' 'h en,

for e: n,ple, ' n esc >

and il..'aaW

c r the.1"orst 90 r i.b l eis lift d

M bisheet possibb nosition acc i'ient "IhGn, 'or en9ple,

lifte9 to no Feater heiPht ^ Nan is n c an i. s 111. the revarert nonsib3.e crane accident ' ' e

.)

unloaded; iv.

the o

t os cran r7c poncqgple crane accident when tPr 7.

Sunnly technical drarinrs nnd,hotomranhs for Int. 11 1 -5.

3 i

i L

)

- i3.E L/(

HIII.

1.L How. is the crane secured when not in use L

2.L Is any seisnic protection provided when-the crane is not in

.use?

r

3. Could the crane be nsde to move in any way during a seismic event?

Give specific-details.

l

h. Could -any component of the crane be made to move

-during a seismic event?

5 could 'any; connonent nf; the crane, or the entire cr ne be loosened or danac9d durirp a salsnic event?

i

6. How would a sei=mic event affect the anchorine of the crane?

7. Hoo could a seismic even' affect the track or the structures upon which the track' rests?

(Thin is the track of, for exanule, the~ overhead antry crane.)

^. How is the crane kept from uncontroled novement curing its l

use?

L i-

9. Is any saisnic protection afforded by equiptment listed in

. response to III-Ei f

L10

, Answer III-3,4 for when the crane is in use.

IV.

Inspection.

t.How often is tha crane inspected? Is there a schedule?

2.-

'"ho : inspects-it? Uhat are' this persons cualifications and!

training fo" tDis.ich' 3.

Exactly what "Is inspbet'6d?

.h..

Exactly.wh,t is looked for?

p

'5..

hat e,uipteent is used in inspection?

I 6..

Is. damage from incremental seismic activity sought?

This ac'tivity.would include the continous. blasting at the Medusa Cement quarry nearby.

See deposition:of David.

Blanchard of Consumers' BiF. Rock plant, January -12,1082, p.

it.

L,

7.. Is, radiatio ~n faticue to the crane looked for?

I' ao Mon much radiation is the' crane exnosed to on an anual basis

.b. UhrgM s thg. o ig. hest amgunt of remal exposure tf h

rac nilon e crane c What evidence of radi".tlon damge to the crane has baen discoveredT

d. could radiation dana 6e in any.vay. mate.the crane -

Fore susceptible _to seisnic vulnerabilityS Any history cf tfB "iAnseew.

IVt-7 for any insnecti0ns fone by outside censultants.

2

.o.-: Ans+'ar IV 1-7 for; any insnect* ons done by the NRC or their

. consult ant s.:

t0. Supply all insneetion reports refered to-in IV 1 0

~

1

n, o,,

V.t.Sunply nll'unalysis of the crane, the canks, the fire rater syston pioin % and the possih11ty o the pool bMnc breac' led and the water nade up that have bren perfor?.e6 by 2.J. Hall.

2. Supply all of his corronno--dence to licensee concerrin= the above.

3.

9h'a.t are the specific recomendations he made to correct any identified nroble*s?

4 Which of these have haen perf'ormed as recomended?

5.

Ythich of these vill be nerforned as reconenced in the futuro c Supply dates to be comnleted.

6.

What corrections have been nade that differ from Hall's recomendations? "hy' 7,_

Upon which of Hall's rr-comendations have no actions $cen taken?

Explain.

VI 1.

Ansver all of the auestions in Interro atory V, 1,7, subsmitutin:r the name "Bechtel Corporation" for the

-name

"'..J.

Hall."

Numb e r t h es3. -7 1

In 'iddition:

9,,

' ins an inpact pad ever insta11edC Why?/why not?

0. - Mill an im.nact p;d be installed in the. proposed modi *! led

-spent' fuel pool?

hhy?hrhy not?

LO.a.Detall-how the Bechtel report recomended that the crane be modified.

b.

Detail hcw the crane was actually modified.

B. Explain rational for actions.

11, Anmrer to a-c, substituting for" crane" the words' cask routina A

L2m

proc edural modificatient letail tMse for testinFo inspection, maintenance, handlinn.

VII 1.

Answer all of the nuestionn in Interrovatory V, 1-7, for any analyses perfai.1ed by:

a.

Consumers ~tmier, b.

Outside consultants or the licensee, c.

Outside' consultants of the NRC, d.

The NRC.

Uhrt ch nces in equintment, proceedure, ins reticns, i~.

nodifiend or to enuint ent, nroc ecc2 nen s, rn9ertin; Itai nt ena".c % etc ~"re re"uired by the H2C'; Detail.

ii. Have these (VII, t,d,1) b'en performed' Det,ll.

iii.,

Av'er for chanres or modificatier.a reconerded bu' not re uirm. Have % ase bean p e "#'o rM "

'.m,.i l iv. ' Detail nny re'uir'e' or recorordn' % nces %at h av= b ?en Vehym' or defer 9f.

v.

Det'll cny r reirnd or rnconen'ef ch w es tbit For Interro atories V,V Q [ 9 yip ed by t'e l'censee.

l-Hotes : These qu.n-t '.ons steuld b 9 mswered fullv.

Each "ucation and aubm ucetton ahould be ansered for each type of' muir;tndna.

All_nue=tions should be ans cred for car %, then plunu. etc.

L

~

5.

VIII.1. Describe all plant e uiptnent that monitors seisnic activity.

9 'Jhere. is this located

'. Sunnly all' records o seismic activity at the Big Rock site.

c 4

. Describe all'problens and " allures of t'e above e,uint nnt.

n:

~,

5 Answer VIII t h for' eauiptnent that monitors inerenental seismic-activity.-such as nearby blastina.

6.

mould an aircraft c"ashi.nc v9ry near to the nlant.cause a-local seismic activity?

7..

bould 16;cause.seisnic activity that' night affect plant machin=ry'.

IX.

Licensee Event Renorts.

. Supply all licensne event reports that nention:

1. the~ overhead cranes

2. other cranes;

3. al? types of cas's

4. fire wate systen pipinF threadins and lea >s thereof:

5. incidents involvin7 oueration of the crane:

6. incidents involvine onoratt.on o' tha crane *'hile handling casks -

7. water nave-up }ter na e-up to the sment fuel nool.

o the see't fuel pool 9.. all back un ra S

0 For each ans"rer.to IX t-8, detail rhat has been done to renedysthe problea;

10. and what is planned to.-be done to remedy the problem if

11. >the renedy has not yet b 'en innlemented; vul events judred not to need renedy..

12. -ifote $ hen the remedy has failed to - nrevent occurance of another :r. *1 renortable ~ event in the specific area that was supposed to have been corrected.

Notes' In revieuing all areas of concern that the licensing Board identicled on pa~ e h7 ^ of ~its Lemornndum and __Grder of February to,1092, licensee undoubtably checked all

' event reports co".cerninF the crare, the canks, the ratar 1.ysten, handline -proceef u es and' pool t:at er na'm up.nly -in doint th s

these subjec'ts that havo troubled the board.

Thus to'suonly a list <.of the requested-event reports constitutes

no unfair bu.-den 'for the licensee; M

X.

1. Ans"er Interro.eatory III, sub-cuestions L 2-10, "substitutinc for the. word"seisnic" and the dords " seismic events" the

.words

- "incrensntal' seismic events."

Such' events include routine blastin* at th* nedusainlant.

' Label anst.mra as in the. Int. III. 2 throunh 10. -

11_.. Could an" of the effects of incremental siesmic activity escape notice:o*: -

-a.

oner, tors of.the equiptr.ent:

b. - those who nerfore routirie. inspection:

~

.c. those rho w rPorn routine mintenance?

d. That er*ect would such unnoticed effects of-incror. ental seisnic' activity have upon:

1. routine. operation-of'erane Phile-loadeds (Detsil)

.ii.-

t 111. any resistance to siesnic denar.e,'that11s' nornal; earthquake damage, that the crane would a_

ordinarily be expected to have?

Detail.

f 15.

.XI.

Operation of the crane

1. Describe in depth'theJerane centrols.

?.. Who. manufactured the controls?

3. Age of the controls.

4.~ Inspection: Substitute the words " crane controls" for the

" crane", and ancwer all of the subquestions-for interroratory IV.

5. Where are the controls located? Suppl,y technical drawines for this cuestion, and # 6c.

A-w

a. y remote c=4ols a IM-

6. How many workers are needed to properly operate the crane?

Answer for a. normal operation, detailing for each normal proceadures b. and unusual circunstances, which are.to be fully explained, c.

In each of the above cases, what is the area in which the men work?

7.

Concerning all astectsof crane operation and crane controls:

a. supply operating manuals b, detail training operators receives

c. supply technical specifications regarding:

1. operation of crane; Ii. crane controls iii. any monitors used iv.'any'other related instruments.

Note: Inte>37 to be answered for all instances including all answers to XI 6, ie, vsel ed abomi Airco-sbww

d. Have any of the above technical specifications been violated?

Give details, includinn freauency of violatione.

8 Detail any obstructions to the view of the crane operator.

What obstructions exist while a particular activity is 9.

underway':

E.g.: while loncin" r' actor, fuel transfers, etc.

10. Are TV monitors used in connection with crane operation?

11. Are the'followinr neisnically nualifiede a, crane controln?

b. monitors?

c. wirinn for each of the above?

d. Other related enuiptncnt noce.9sary to crane oneration7 12Could seismic damara to the crane controls and other coniptrent detailed above eause the crane to malfunction in any~we.y?

v or-o h <w vtmea 13.

Could increnenthi seismic t anage to the controls and other enulptnent detailei above cause the-crane to nalfunction in any way?

a. Could:auch danage ro unnoticed?

b. Could such danare if unnoticed. contribute to a crane or cask drop accident?

n.

x.

7..

..i XILJContinued or 14

-Describe all non-ceismic' ally qualified anq unachored objects (including but not limited to equiptment, lockers, tennorarily. stored itens, dollys, structures. ) near thes

a. crane controls

~

b. monitors;

c. Other

- related equintment

'd; wiring for a'and b.and c.

Near means'close-enouFh to f9.ll onto or otherwise affect the controls-ete-in' a seismic event, ~

ranging from incremental seismic events to worse case.

~

~~

15.: Describe the effect upon the n.-crane controls;

b. nonitoras c.-other relate?, equiptments

d. wiring for a, b and c.

that -the event postulated in XI 14 would. have.

16., Describe each and every possible emer6ency use of the_ crane.

e For exa'mple, unschedualed fuel offload, and lifting of an accidentally-dropped cask, but certninly not limited to these.

17.

Which. tasks described in response to 16-would be a._ unhindered,

b. impared,

c. impossible-after a severe seismic event?

i-18.

Detail all of the actions the crana operator is trained to-perform in response.to events postulated in numbers

.16 and 17.

a.

Supply training manuals describing the abovs.

b.

Detail technical specifications concerning these accidents.

1 l-

c. Describe any radiation workers (operator of. crane and others)'would be. exposed as-a result of these.

d.1Will steam be released dsta result of any of.these

' accidents?

e. Will the steam endanger the workers?

f. :Will any other thing end in:ter workers-sparks,_

hot water, gases,.etc?

g.

Williany of_these secondary effects hamper i

i. proper crane'operntions (includinn brakesthF

11. proper and safe use of casks.while

+

utilized, i

111.- safe s'ecuring of casks:

~iv. duties ofEtheLoranoLoperator or other-

.related workers

v. vision 4 of crane ~onerator nr others,

. XII.it'ater Make Up.

1. Describe how water is to be. replaced in the' Spent' Fuel _ Pool.

- 2.' ' Supply diaorams of the'above

- 3.

What is the naximum. capacity-ofi each: of ithe make-up systems?

A. : : Isneach:make-up systen-completely seismically;qualitied?

5,' DetailDthose make-up. components.that;nre not mismically

-qualified./

E-E 9

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7

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$ v T'

---y-79

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D aer 4

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e, I

XII Cont.

6. Are the pumps for each nake-up systen seisnically qualified?

a. Vill these function under water?

b. Will those function in high pressure?

c. bill these function in hiqh hunidity?

d. Will these function under conditions of hinh radiation?

e. What would happed to each punp if the heaviest cask ttere to drop on it?

f. bould each remain functional.if e. happened?

g. %ould these nunps continue to function if offsite power were lost?

h. How will lost water be renlace if offeite uower is lost?

1. How much water can be replaced per.ninute if offsite poner is lost?

j. For 6 a-1, is there any linit to the length of tine these will function under Fiven conditions?

k; For 6 a-i, is there any loss of perfornance under a prolony.ed given condition?

7. Describe'the location of each threaded pipe joint in each of the rake <-up water systeus.

9. Jner ency use of the buried fire nain has been disallowed by the NRC.

Khat will replace this syster?

.a.

Describe in datail,

b. Supply ' technical drav'ings,

c. Will this replacenent enploy threaded nipen?

d. Which components of this systen will be seisnically nualified?

o. Which conponents will not be soisnically auslified?

f. dill tha entire replacendnt make-up syaten be seisnically nualified?

o. Can any of these nako-up systene be dr.a.ned in any way by

a. seismic

. activity?

b. any cask drop accident?

c. any crane accident?

Give a detailed nnsuer,

10. What water tr.ake-up equiptnent exists within the area doncribed by

a. the answer to Int, II 1?

b.

II 2?

c.

II 3?

d; II 4?

1.1.

What is the ability of the enuintment listeC in response to sub-cuestion 17 to withstand impacts?

t?.. Dencribe all non-ceisnie. ally cualified an:i/or unachored objects (as ' explained in nuestion XI th) within falline distance of each of the. vater nake-up systens.

Assune a corst case event that vould cause the fall, such as a seismic event, annune that e cP object uould fall

-toward-the nake-up systen, and that it rould hit it up to a nar.inun possib?' dintance.

Do not disnins with a probability argunent.

13 Which inpacts (escribe ' n ann' er to l would.cause da~aFe to-the uater nake-up systen?. Describe thG maxinun ponsible (.anag.,

lh. 'Would the above damage disable, enrenbla cr leave unaffected water nake un-throuFh the narticular systEn analyzrd?

15. How could such darmce 'c e discoveree?

l,. 9,,

a*-

f XIII 'Fuelicasks-

1. - Describe = each O' cask.

a. Weight, empty l

b..';eight loaded with heaviest load.

c. Dinensions 4

d. Area-over which the cask can possibly be carried.

e. Area ov'er which the cask is. allowed to be carried,

f. lleight. to which the cask c;n possibly be hcieted.

-F.;H91rht to "hich 'the cae> is allo'"e 4 to be hoisted.

h..Where lai-the cask stored when not.used?

1.'How is.the cask stored and secured? Is it inspected?

jo Stored..is_the caskzseisnically cualified?

.. k. While:in use, is the cask seisnically aualified?

1. Is a cask ever stored when loaded?'Ever stored sunnended n.' Describe, all nachinery, r.onitoring douiptnent, etc,N b mer d within the areas described by i) XIII 1 di and

-ii) XIII 1 e, if this answer is an" diffarent than

~

the1 answers II.5.

n. describe the structuree. that 'tould be dannged by the

_F worst case drop:within_the area described in d above, and uithin 'he area described in e above.

Uh t

.machinnry, e~uiptnent, etc within or below these structures would-he danana5 Descrita fully extent and: conditions lendir. un to dennae.

Since the crane is not seisnically ~ualified, descrlbe

.o.

i the'vorrt case ~accide-t that could occure to the cranicearin* a cask within the area described in d, r

above a

p... Describe.nd the aren 6escribcd in e. above.-

i effects of all seismic events unon stored casks.

~P..

Could a fuel cask dro-onto the edge of the s-ent fuel pool.

c a. Describe 'the 'corst case. Weakest edge, nost danarine cask,etc L

b. Describe the extent of the dar. age, c.:lior nuch rater would be lost? ce e cd.a.

c. tould the water-nake' up capacity be affected.by euch

~

an accident..

af. Could"the lost rater. flood. the "a' e-up pur.ns and affect nake-up.canacity?~

p. Could coolinF of s-ent fuel ha lost?

3 Ans' *er.auestion P. a.bove,- and nll subquestions, ' #or the worst-cas'-accident involvin~ a'c~ah* 6 rop into the c

snent fuel pool.

Assune that- one of the racks is f

struck.directly.

y.'eakest h.: Answer nuesti_on 3 ab'ove,- assuninc "orst came rhen'one of:tha rncks -is struckta.clancin~ blott,that would cause the cask to: strike the nool side below thel water' surface,.-Choose the_confiFuration of

'ca s 'as, rac'es 6.ndf ucol side that rould -

result 11n greatastidanane.-

5.xAnsfer. question: 3 abovi,.a=suning that ths: cask will strike itho spent' fuel nool botton first.

AFain, choose 1the ~ornt-

. cab e..

~

4 ih.' 1011:anyashock: absorbing. pad!

, exist to protect. thelpool botton't Li. ' thss is this padfin' place"::

c.

. j. ;Analy e problen with

and without such a pao,c

~

en w

,e m

r

r 3

10, XIII Fuel Casks Cont.

6.

Answer the nuestions cited bnlon, but~instead of considsring just a cask drop, analyze for a combined. drop or accident involvinc the cask and the seisnically unqualified cantry crane and the other 75 ton erane.

Worst ense, of course, will be considered.

a.

XIII.

1. n.

b.

XIII

1. o.

b.

XIII 2.

_ Answer fulli.

J e.

XIII 3.-

~

f,-

XIII-h.

g.

XIII-5

• • '""(

7.

What is worst water loss rate analyzed, even 'ifAnot here suggestd]

-8.

Supply any analyses of the accident postulated XIII perforned by:

a. Gonsuners Power or thnir consultants:

b. URC or their. consultants.

c. Include recomendations.

In the case of the

-URC, be sure to include nandated nodifications, including, those'

i. innlenentedt

11. planned but not yet imnlenented, along viith date of scheduled comoletions lii. disputed.

XIV Loss of offsite Power.

1..

How would loss of offsite power affect the crane vehen in a stored position?

2 How would loss of offsite porer affect the controls of the crane when*it is being operated?

3.

How would offsite poweryaff3ct nonitors used in operr. tion of crane 7 loss 4

How would loss of offsite power s.ffect the crane v' hen ilt use:

a.

effect upon each b:?aking system; b.

effnet uuon a gantry. crane when it is rollinct c.

'effect upon a. crane vehen it is hoieting a heavy cask,

'(especially, how would the load be prevente6 t'ron dropping;.i d.

effect upon t. crane vihen a heavy cank is suspended but not moving. (a. Main, derail protection from dronpine-)

5 Detail hovr off sito po"er could be lost as a result of a seismic event.

6.

Ho" would loss of offsite no or affect the r'sistence to neismic events of a..

the crane stowed a"ay,

'b. the crane '"hile ouiratinv.

c. the crane ethile hoistin? or noving a heJxy cask,

d. the casks *'an stored.

XV.1. Explain in laynnn's terns t'e event recorded in Licenses dvent Rnnart 76 041.-

L LList nny repetition of'this1&inilar ev nte.

Provide L.E.R.s.

3.

What is the trip linet hhnt is the chain tame up

4 Exulain the oparatian of the safnty slin? nnd-the sufr:y sling brn'e, 5.

Would loss of offcite px mr " eet=cpsration of this bra v

6. I' lease -provid technical drawinys nnt' photocraphs for aich crane with.this eculptnen%

7,

'How tan the preventive 1 tintence prcFrr ravised

^*{

Lif.;

z-

-Xil-1 1.;What is a shippinc cask dolly?

How is it usedi

-hare < When?

-2.<How nany exist inlcontainmenti

3. dis this installed eouiptnent or novable?

E.

Could ~a shinning cas'- dolly danage as a result of siesnic events

a. Threaded nake-up water nininF?

b.LAny crane?

c. Dan 3Fo or loosen'a crane, causirr further danane?

d. Cause a cask to loosen or be dislodred, c,usinP further danarre ?

e. Hanner the ability to nake-un Icst 'atar to the peol?

f.: Dana-e_the pool itself?

Explain each answer thorourhly.

-: XVII-Provide a transcript of the April i nestinF between Consuners Forer personnel and Ken Herring of the NRC, concering seisric lesues a.

Su?n'.y all_ documents discussed at that neeting.

b.

Supply all docunenta generated as a result of ths.t I.

neeting.

c.

-Supply all docur.ents eklied upon but not discusse6.

XVIII' 1.

Would any cask pathray over the spent fuel pool be free of-underlyin~ racks?

Ansver-for a) ponsible nathways, and b) allowable pathways.

2..

If so, that danrer exists of casks droppinF unobstructed by anything save wat?r,_to the pool bottom?

Ansune that a) safety slings work, and b) that ':he slinrs fail.

4 E