Text

Forwards Util Calculations of Estimated Dose Resulting from Transfer of Spent Fuel from Facility
	ML18079B052
Person / Time
Site:	Salem
Issue date:	08/22/1979
From:	Wetterhahn M; CONNER, MOORE & CORBER
To:	Beverly Smith; NRC OFFICE OF THE EXECUTIVE LEGAL DIRECTOR (OELD)
References
	NUDOCS 7910050697
	Download: ML18079B052 (4)
	v • d • e

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- 9 L.AW OFFICES CoxxE&MooRE & CoRBER TROY B; CONYER, '1R*

ARCH.&.. MOORE, JR!'.

ROBERT ol. CORBER MARK ol. WETTERHAHN DO~AL'D ol. BALSLEY. J'R.

ROBERT M. RADER KEITH H. ELLIS

'"yoT ADMl:TTZD JN' DoC*

1747 PE:SXSYLVA:Sl.A.AVE:St:E, :S. w*.

WASHI:SGTO:S. D. C. 20006 August 22, 1979 Barry Smith, Esq.

Of £ice of the Executive Legal Oirector

u. s. Nuclear Regulatory Commission Washington, D. C.

20555 In the Matter of Public Service Electric & Gas Company, et al.

(Salem Nuclear Generating Station, Unit 1)

Docket No. 50-272

Dear Mr. Smith:

(~02) 833-3:50G.

As we discussed today, I am transmitting to you a copy of the calculations performed by Robert Douglas of Public Service Electric & Gas Company relating to the estimated dose resulting from transfer of spent fuel from Salem Unit 1 to Unit 2.

Sincerely, Mark J. Wetterhahn Counsel for the Licensee Enclosure cc:

Gary L. Milhollin, Esq.

Mr. Frederick J. Shon Dr. James c.* Lamb, III Chairman, Atomic Safety and Licensing Appeal Board Panel Chairman, Atomic Safety and Licensing Board Panel Richard Hluchan, Esq.

Richard Fryling, Jr., Esq.

Keith Onsdorff, Esq.*

Sandra T. Ayres, Esq.

Mr. Alfred C. Coleman, Jr.

Mrs. Eleanor G. Coleman Carl Valore, Esq.

Off ice of the Secretary June D. MacArtor, Esq.

1q/602'6 097

e*

Sl1LEH NO *. l U!~ l ~*

E:s t. ima t.20 f l"O:i! Unit dose

?~o*. l from raovinc and storinq snent

~

in tiie t;nit ?~o. 2 s:r:ic:it fuel l)

2)

G operators to gnload spent fuel cask, pl a(:c* in cl econ pit. And wash down, place in trans!er pool and ~emove h~ad.

6 people x 3 hrs. x 3.5 mr/hr.

o operators to load 2 fuel asscmbli~s in a crack (one person to operate bridge, one to c?erate crane, one to operate fuel har.dling lools, l l.iealth physic~ arid 2 to record asseffiblics moved.

6 people x lO minutes/assembly x 2 a~.sc~blies x 3.5 rrir/hr.

=

3 }

4 )

~ I 6 f;co:µlc for 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months Lo set. cask ?ieaa.

6 people x l h~. x 3.5 mr/hr.

6 operators for 2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 months Cl hour to deccn cas%, 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months to load cask on truck) on av ~~-~~.L'O

~r/~r ~~elA

....... c~\\,.o 6.. p 0 '"'o'e.... 2 ~~s

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-~*/"*~

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n

H*

,~.. a

~r1*~~ ~~~v~p ai,A

~s-si*s~~~*

..~"ro~~~~*~1,.

'°1**

""W*'"-

W~~-

,..~***W'--..*J 15 r:drHitcs to drive.from !..."nit l to Unit 2 fuel handling builaing {approx. 5 mr/hr *.

~ cat).

=

2 pco?lc x 15 hr3. x ~.o mr/hr.

=

60

6)

~,operators :o i:nJoad, rinse cc,*:.:i, ar:O*

µlace c~sk in ~uel t:anBfe~ pool

(

Z hrs) *

~**~~;

pool.

63 ~-~

2.1 :nr

?

~.,::,........

6. pe-ople x 2 hrs. x l 0 mr/hr.

=

120* ;n.r 7 }

6 people to rornovc ca&~ head at transfer pool (ftpp~ox. 1 hr,),

6 people x l hr. x 3.S ~r/hr.

8) 6 C?cratOI."S to niove.2 fuel G.SS<?;.":bli'S fro:n c!l.s}: to :-ac};s (SP??'OX. 10 ;;;inutes/

.. c s c-;.., 1 " \\

"""'a;;

... ~*:I

6 people x 20 hrs.

. 170

i. 0 n:::

. A

r' t--*-****

9* 9 )

G operators for 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months to set cas}: head.

~ ~o~oi~ v 1

~

-r/~r v

, h-u l' -

V *

"\\

_, I.,,,.

- ~

j I I

h I

10) 6 cp~rators !or 2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 months to decon cask and load c.m t:;uci~ to ~*ctut*n to Unit ?~. l (cask empty, approx. 1 mr/hr.}.

6 people x 2 hrs. x l mr/hr.

ll)

True>: driver ano as!:dl:itant for approx:-

. rnately 15 minutes to return to Unit. No. i*

at

5 mr/hr.

=

21 rnr 12 rr.r 2 occole x 15 hl*s. x.s rnr/h?'.

=

~

t.>O

15 :rnr

- o t al man-rc-::t for moving enc cC<si~

.(2 fuel asser:";b.lies) frc:n Unit. ?~o. 1 spent_ fuel tool lo Unit No. 2 spent

£ 1.!el pool.

For SG assernblics G 2 assemblies/trip, it requir~s 2a trips, Total rnan-rern !or 28 t~ips (

1/3 core) is

,395 rnan-rcrn/trip x 28.

.395 man-re~

--*-~ -- -*-*- -~----** -- -------- ---- *--- -

_.. ___ - -.. -----*--*:a-*---*-

l)

'r'hc 3.5 !!*r/11r dose-rate us~a jn sc-veral. steps of the esti:natc is bas.ea on the case ratC! a:: the !-..;el

?OOl and transfer pool water sur!ace due to one spent fuel azsembly bcjng moved and the dose rate contribution from raclionuclioe>s expected to be* _:in the water.

2}

'.rhc fuel ship?in9 cask dose rates are based orz 49 CFR l 73 limits o! 10 rnrcm/hr at six feet. :from shipping cask*

It is fe~t Uiat this ~s r:-nr~senta ti\\'c.of average radiation !ield operators* ~*ill be exposed to.

ML18079B052

Text

Dear Mr. Smith:

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