ML17195A822
| ML17195A822 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 06/07/1985 |
| From: | Gilbert R Office of Nuclear Reactor Regulation |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| LSO5-85-06-009, LSO5-85-6-9, NUDOCS 8506100584 | |
| Download: ML17195A822 (5) | |
Text
Docket Nos. 50-237/249 LS05-85-06-009 e
UNITED ST ATES NUCL~""R REGULATORY COMMISSION WASHINGTOI\\!, D. C. 20555 J1.fne 7, 1985 I
i LICENSEE:
CofTITTlonwealth Edison Company (CECO)
FACILITY:
Dresden Nuclear Power Stat~on, Unit Nos. 2 and 3
SUBJECT:
SUMMARY
OF MEETING HELD ON MAY 22, 19.85 The NRC stiff held a meeting with CEtO and Gilbert Associates (CECO's contractor) to discuss issues relatirlg to the placement of liquid propane tanks on the Dresden site for use wi~.h the proposed Mobile Volume Reduction System (MVRS). *A list of attendees i:s enclosed. There were no viewgraphs used during the discussions.
To start the discussions, CECO furnished infonnation relating to the use of the MVRS as follows:
i
- 1.
The Department of Energy contract with CECO includes a requirement that the tests at Dresden tead to a proof of moveability of the MVRS.
Gilbert Associates h~s also done engineering studies relating to the use of the MVRS at CECO's Quad Cities, Zion and LaSalle Stations.
CECO's plan is to use the MVRS for only 3 months at each station. It would be~used a minimum of 21 days during those 3 months.
- 2.
The only interface with norimal site services is use of electricity and water.
- 3.
The MVRS trail~rs are ~lan~ed to be brought to th~ Dresden site July 1, 1985.
- 4.
Piping is carbon steel with manual valving.
With the above as background, discus~ions of the siting and other parameters relating to the propane storage for the MVRS were held.
CECO gave the elevations of the proposed pad for the propane tanks and of the drainage ditch where liquid propane would probably migrate.
The tanks will not be brought on site until the MVRS trai1ers are set up and will be*
removed immediately after t.he burn is completed.
The nearest safety related structure,; to the proposed pad is the southwest corner of the Reactor Building.
In response to a staff question, CECO reported that the Turbine Building vents are at elevation 561 (Ground-517).
The explosion potenti~l, meteorology and effects of drainage were then discussed and, finally, mitigation possibilities such as the use of more but smaller tanks, berming a~ound the tanks and burial of the tanks were suggested.
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- ~n clo~ing, the staff, using staff-developed software, agreed to perform scoping calculations of plume sizes for 250, 325, 500 and 1000 gallon tank failures with and without berms.
When this data is available, further discussions will be held.
Enclosure:
~ist of Attendees cc w/enclosure:
See next. page DI STR IBUTI ON Docket File NRC PDR Local PDR ORB#5 Reading CJamerson BGilbert JZwolinski OELO EJordan BGrimes ACRS ( 10)
Rbbert A. Gilbert, Project Manager O~erating Reactors Branch No. 5 D:i vis ion of Licensing
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Retyped by JBrandenburg 5/6/85.
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- DL:ORB#5~ DL:ORB,#5 BG~b;;t:tm CJamerso JZwolinski
. 06/()1 /85 06/(t, /85 06/"'\\ /;85
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cc:
Robert G. Fitzgibbons Jr.
!sha~, Lincoln & Beale Three First National Plaza Suite 5200 Chicago, Illinois 60602 Mr.
Dou~ Scott Plant Suoerintendent Dresden Nuclear Power Station Rura 1 Route #J Morris, Illinois 60450 U. S. Nuclear Regulatory Comrnissfon Resident Inspectors Office Dresden Station Rura 1 Route #1 Morris, I11inois 60450 Chainnan Board of Supervisors of Grundy County Grundy Count~' Cnurthouse Morris, Illinois 60450 U. S. Envir6nmental Protection A6ency Federal Activities Branch
~
~r. Dennis L. Farrar Director of Nuclear Licensinq Commonwealth Edison Company Post Office Pox 767 Chicago, Illinois 60690 Region V Office ATTN:
Regional Radiation Repres~ntative 230 South Dearborn Street Chicago, Illinois 60604 Regional Administrator Nuc 1 ear Regu 1 a tory Commission, Reg ion II I 799 Roosevelt Street Glen Ell_vn, Illinois 60137 1
~ary N. Wright, Manager Nuclear Facility Safety Illinois Department of*Nuclear Safety 1035 Outer P~rk Prive, 5th Flon~
Springfield, Illinois 62704 11
/.
ATTENDANCE' UST ENCLOSURE DRESDEN NUCLEAR POWER STATION, UNIT NOS. 2 AND 3 MEETING OF MAY 22, 1985 NAME AFFILIATION B. Rybak K. Daqes D. Eggett J. Ell is
- c. Ferrell I. Spickler
- s. West.
A. Toalston J. Lee R. Gilbert J. Zwolinski P. Cerr ColTT!lonwealth Edison Commonwealth Edison
- Commonwea 1th Edison Gilbert Associates NRC NRC NRC NRC NRC NRC NRC RP ch t.e 1 Power/SERCH
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FROM~
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