ML20094K292

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Telcon W/N Gehring of Geotechnical Engineering,Inc on 800304 Re Future Direction of Facility Review Effort.Summary of Questions Re Dewatering Encl
ML20094K292
Person / Time
Site: Midland
Issue date: 03/04/1980
From: Kane J
NRC
To:
Shared Package
ML19258A087 List: ... further results
References
CON-BX16-070, CON-BX16-70, FOIA-84-96 NUDOCS 8408150012
Download: ML20094K292 (8)


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so pu Dewatering h

1.

Dewatering the uand fersu s in fill?

2.

Sand lunsen (fines).3mqut-)siv can thusu he munitored?

3.

What kind of backup system in there for the perrian. cot dvsu tu ri ng syntes?

4.

Also if there is a failure or shut-down of the systeu. could feSc g

mvet fines by rc[teeting?

5.

Are the dewatering wellu l'ully.[**ksk,4 7

6.

What tyFe of scrucos are the ec.

  • L 4ks. Im Ia 35* 5 7

sL 7.

In the, fig, 44 km potential in the mand lenses in the till areau?

8.

Other twans of groundwater contrott ge t.u t for u te. criteria for f\\

nelectinn of dewatvring nethods 7 9

Test methada to inaure scree: Pare clear, and not encrasted v/ulnerals ove r t ime.

10.

Cravel pack gradation fr r vacts well?

Ga ndation ahnuld vary and/or t.,

careiolly a,ulcetedfe,- e..k leyce.

11.

I'unp tests to detamine purnptnt, rates required?

12.

Well opactnn propouwd and criterial for selection?

l.).

What Aliout the emergency haat sink? Will it be pucted down by the 1.p :.'

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g.< *,t <c,s ? o idenb h h do%me"7 V .' I 3" E*'

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7 1.

Length of prop 9 sed pilotand diano>ter.

7 8.

M.>nitoring plans for f attico acttleraints.

9.

Carrection vf cancks e(he rispair of f ounda t ion.

10. Literal support for cantilevered sectlon.
11. Overall building stability.
12. Seepage fO around the building.

I ).

nif fereurtal 4+c ttcowoc prohlome.

i

14. Want a copy of clie retaining well design.

!b Vihrtit ion of enefilise ry les pumphouse(hism

' 9 b '44.es k I* bijn l

16. Settivuunt ef fects ain piping.

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17. Circulating mter in-takn structure a Category I structure?

l Crnektng of Strii$ce - to be repaired ut ter remedial actioni completed.

mnnitoring of cracks <.

Riectrica) Ouet n. ink s i

1.

ConnectIonn a huitdings

'3

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l 2.

facarton of stuct banks Corpn to be concerned wi th.

3.

Why did duct banks consporattly support batiding?

j 4.

Ara tliese ur can these all be munitoried?

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,. wa r ar ine, ays t en.

14.

Dinesten overal l op.ia ted dewa terlog plativ, 15.

Selumic ef feet on down tering nyn tom - f(** <*.I.

wells. 109 c h #A Ja.-

pi pe, etc.

16.

CompAri 4on of fl0W rate % (CatR the CuG110$ pun,l under normM1 CondlCInn e

and earth tp kt conditions pumping ratesus. M;, eglas.

9 17.

What max. T. water content in wand layers is allowable w/o having 11guttaccion potential? How do we know we're attaining those lovels?

Settjesent of,,D.C. Bu{ld g 1.

Were is this bu11 ding on the tice.nettlemnt curve?

2.

h e i n t he han j a for the i 1/2" of add'i set tlerant predictInn? (1/2 carthqaske, 1/4 40-yedt f4*I.'C load, acid 1/4" deva torf ng).

3.

Tubs k,44.h settlement that bldg. is in secondary con sullda tiois pla s s.

4 Hsva addittunal bort nign heen taken to dem%trate that the efficlency I

or ef fectivoun of zurcharp,t ng bcation of these and f uture burisigw planned.

t i.

Monitoring for future settlemeitte of the in 11 ding.

6.

Alteritative metliods for currective measurne (underpioning).

i 7.

Seismic ef fects of fill ondor holiding.

Is 11quRaction Lhn only i

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!!ow Esa w e.

get up.to4te boetsig logs and test reports so that we're not ulvays tvviv ing old data.

u 9.

V!bratton analysis.).m to turhines operating?

10. etaximun ad.)ostrwne of sencrator pedostals?
11. Can building utilities take sec clecent induced loads?
12. f.aodas in foundation anterie t, where are these, how were they caused, how can they be defined?
13. Settlement of forms during placement #docomancation there_of ?

9ervico Wat.5r Pitmp.9traictitro 1.

Is there a control point e canetlever? If not, why not?

2.

Scinnie. af fects on fill under cantilever?

3.

What about loss ot fines via dewatering under cantilever?

4 What ts the rationale for v cp holas in the retaining walls?

5 Menedial rwehod pile destgo, including loadsussa.

l-6.

What ahnut the runt of the foundation a, the pt. of cant 11eveY and the

$gu between that pt. snd the supportive pile.

le soil hearing capacity re{ulted 1 A kb "td 4

4 6

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Auxtlar / P.alldi ng and Valve Pit s 1.

Dettan of renedlai caissons' 2.

Detstis or r.*midial action plan.

3.

Origin of meer la valve pit arca? Whp seas there no concern in origi([i\\l

.testan for ground w tor and liquefaction?

4.

Foundetinri uwttertal inndee valve pie floor.

5.

Een will new - cetante analysis be acenmpit shed and avellabic tot revieN '

Rorated Water St_orage Tanks

'l 1.

L'cight of Water for test vs.4,of horated water.

2.

Why are the rings cracked?

3.

Lusd test secas to have insufficient louds.

4 Where Ia this building, on the ticie se ttlement c.u rve ?

5.

notatta of the load tent xuch as dkregt fon.

6.

We would like to observe tanka und broken rint,.

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w II dorground Dtenel Fool Tanka

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A to be do ntered?

1.

tilty are tauku hvid dows it area is w

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Destmi of hold down systest 4pinst boy.a utch and ut thout fuel.

3 01f ferentidl settlesent, lh term m.initoring plans Seis,$.u 4

unu ide rations.

Ifnderf,round Piping and Conduits 1.

341 ding sterial, thrust blocks, etc.

2.

Dif furential setticements concerns.

1.

'htch pipes are Corps to b+ conciarned with?

4.

Calnaic conn Ldaratlannn.

5.

Corru sive ar tect due to enhedemnt ist mulig Me.L'c. protection?

6.

Livu loads buried piping?

Ce ne ra,1,@ic,s t,t,on.,s,s TI l.

L'het are the <1uality Afrm sa.

ProporJRi s

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mild like to phserve boring procedure?

3.

Ilow can the Corps be F.ept up to date on partinent cIsanges and data

@ c llvi,4+4 3 6.

Acertos capacity for all noll mitart.11a supporcisig the Category I questions?

I.

I.ateral load considerations durie.g liquefaction for all buildings.

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