ML18079B068

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Forwards Util Calculations of Estimated Dose Resulting from Transfer of Spent Fuel from Unit 1 to Unit 2
ML18079B068
Person / Time
Site: Salem  PSEG icon.png
Issue date: 08/22/1979
From: Wetterhahn M
CONNER, MOORE & CORBER
To: Beverly Smith
NRC OFFICE OF THE EXECUTIVE LEGAL DIRECTOR (OELD)
References
NUDOCS 7910090274
Download: ML18079B068 (4)


Text

TROY B. CONNER, JR . .ARCH A. MOORE, HOBERT J. CORBER MARK J, WETTERHAHN DONALD J. BALSLEY, JR. ROBERT RADER KEITH H. ELLIS e. LAW OFFICES CoNNER,MooRE

& CoREER 1747 PENNSYLVANIA AVENUE, N. W. WASHINGTON, D. C. 20006 (202) 833-3500 ADMJ:TTED JN D. c. CABLE ADDRESS: ATOMLAW Barry Smith, Esq. Off ice of the Executive Legal Director u. s. Nuclear Regulatory Commission Washington, D. C. 20555 In the Matter 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. 7910090 G 2 '1Ll ,* lf !

l' I .. l ) 2) 3 ) 4 ) 6 ) 7 ) Sstimated dose from moving and storing spent fuel from Unit !\o. } in t;nit lxo. 2 spent fuel pool. G operators to unload spent fuel cask, place in oecon pil wash down, place in trans!er pool and remove 6 people x 3 hrs. x 3.5 mr/hr. & operators to load 2 fuel asscmbl)cs in a crack (one person to operate bridge, one lo operate crane, one to operate fuel handling lOOlS f ) }ieal th 8f!Q 2 tO record assemblies moved. 6 people x JO minutes/assembly x 63 mr 2 assemblies x 3.5 mr/J1r. :: 7.0 rnr 6 pcopl c for l hour lo set cask }1eacJ. 6 people x l hr. x 3.5 mr/hr. 6 operators for 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> {l hour to decon cas%, l hour to cask on truck) on average 10 mr/hr field. 6 people x 2 hrs. x 10 mr/hr. Truck driver and assist&nt.

oDDr.o:drnatelv . . . 15 n.irH1t.cs to drive from Unit l t.o Unit 2 fuel handling building (approx, mr/hr. tE cat), 21 ;nr ..,. 120 mr 2 people x 15 hrs. x 3.0 rni/hr. ; 60 6 operators to rinse down, and place cn.sk in f tran$f ci* pooJ ( 2 hrs). 6 pE*ople >: 2 iirs; :.; } O mr/hr. 6 people to rernovc head at transfer Dool {

l hr,). ,.. .. 6 people x l hr. x 3.5 rnr/hr. .. 120 rnr 21 nr 8} 6 to move 2 fuel assemblies from cnsk to racXs (approx. 10 minutes/ '1. sscrr.tly)

  • 6 people x hrs. x 3.5 mr/hr. 7iO 7. o 1ii.r j; ** STEP* 9) Ci operators for l liot;r to set cas.k head. 6 people x 3. S r:-tr /hr. x l hr. l 0) 6 opera tors for 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> to cecon and load on truck to i*cttn:n to Unit l {cask empty, approx, 1 mr/hr.). 21 mr 6 people x 2 hrs. x l rnr/hr. = 12 mr ll) Truer.. driver and assj::;tant for mately 15 minutes to return to Unit No. l at .5 mr/hr. 2 occple x lS hrs. x .s rnr/hr. = . 15 rnr . <J*otal man-l*c;11 for rr.oving one cel.sk (2 fuel assemblies) from Unit No. l spent fuel tool lo Unit No. 2 spent fuel pool. For 56 assemblies

@ 2 assemblies/trip, it requires 28 trips, Total man-rem for 28 trips .395 rnan-rcrn/trip x 28. l/3 core) is .395 man-rem :::. 11.05 man-rem

. __ ... ;I; J) The 3.5 r:ir/hr dose-rate usl?d in sc*veral of the estimate is bas-ed on the dose rate at the fuel pool and transfer pool water due lo one spent fuel assembly being moved and the dose contribution from radionuclide's to be _in the water. 2) The fuel shipping cask dose rates are based on 49 CFR 173 l5mi ts of 10 rn2:cm/hr at six feet from shipping It is feet that this is tive of average radiation

!ield operators will be cxposeo to.