ML18079B052

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)

Text

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• • 9 L.AW OFFICES CoxxE&MooRE & CoRBER 1747 PE:SXSYLVA:Sl.A .AVE:St:E, :S. w*.

TROY B; CONYER, '1R* WASHI:SGTO:S. D. C. 20006 ARCH .&.. MOORE, JR!'.

ROBERT ol. CORBER MARK ol. WETTERHAHN August 22, 1979 DO~AL'D ol. BALSLEY. J'R.

ROBERT M. RADER (~02) 833-3:50G.

KEITH H. ELLIS

'"yoT ADMl:TTZD JN' DoC*

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:

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*

.A Sl1LEH NO *. l U!~ l ~*

E:s t. ima t.20 dose from raovinc and storinq- snent ~**~~;

~ . . ..

f l"O:i! Unit ?~o*. l in tiie t;nit ?~o. 2 s:r:ic:it fuel pool.

l) 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. 63 ....

~-~

2) 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} 6 f;co:µlc for 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> Lo set. cask ?ieaa.

6 people x l h~. x 3.5 mr/hr. = 2.1 :nr

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

....... c~\,.o .L'O ~r/~r

• • • ~~elA 6.. p 0 '"'o'e .,..

.1-~.:.- .... 2 ,~~s

• .., , 'n"" .J..'0 -~*/"*~

• H* ,~ .. a

,..~ '

I

~r1*~~

~~~v~p ai,A *'-"

~s-si*s~~~*

'°1** *""W*'"-  :..~"ro~~~~*~1,.

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) *

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. n:::

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;;

6 people x 20 hrs.

~*:I

. 170

i. 0 --...

r' t--*-****

9* 9) G operators for 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> to set cas}: head.

u~ ~o~oi~

l' - V * - - v

"\

1 ~

_, I .,,,.

-r/~r

• • ~ j I I v

h h-

'

• I = 21 rnr

10) 6 cp~rators !or 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> 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.

• 12 rr.r ll) True>: driver ano as!:dl:itant for approx:-

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

at

• 5 mr/hr.

2 occole x 15 hl*s. x

. ~

.s rnr/h?'. =

---

• 15 :rnr t.>O

• • o t al man-rc-::t for moving enc cC<si~ .395 man-re~

.(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.

---

* -*----- --*-~ -- -*-*- -~----** -- - - - - - - - - ---- *--- - _.. ___ - - .. -----*--*: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.