n .. o-# · 1,o. npf-3 for davis-besse nuclear power station, unit no. 1 the nuclear regulatory...
TRANSCRIPT
JUN 14 W7 Docket Nio. 50-346
Toledo Edison Company AITi,ý: Mr. Lowell E. Roe
Vice President, Facilities Developwent
Edison Plaza 300 Madison Avenue •Toledo, Ohio 43652
Gentlemen:
SUi2JECT: ISSUANCE OF AMENDMENI NO. 2 TO FACILITY OPERATING LICENSE 1,O. NPF-3 FOR DAVIS-BESSE NUCLEAR POWER STATION, UNIT NO. 1
The Nuclear Regulatory Comm.tission has issued the enclosed Amendment No. 2 to Facility Operating License No. NPF-3 which is effective as of the date of issuance. Amendment No. 2 revises the Facility Operating License by deleting license condition stated in paragraph 2.C.(3)(o).
We have determined that Amenmtent No. 2 does not authorize a change in effluent types or total amounts nor an increase in power level and will not result in any significant environmental impact. Having made this determination, we have further concluded that the &amendment involves an action which is insignificant from the standpoint of environmental impact and, pursuant to 10 CFR Section 51.5(d)(4), that an environmental irpact statement, or negative declaration and environmental impact appraisal need not be prepared in connection with the issuance of this amenement.
Copies of the Federal Register Notice of Issuance of A-mendment No. 2 and the Safety Evaluation Supporting Amendment No. 2 to License No. NPF-3
Sincerely,
John F. Stolz, Chief Light Water Reactors Branch No. I Division of Project Management
Enclosures: 1. Amendment No. 2 to License
No. NPF-3 2. Federal Register Notice 3. Safety Evaluation Supporting
OF'C~No.- NPF-3 L rI# WRj GL W-# OFFICE- '....c.]..o.s'•[• .. .......... •"//7...... .................. 6/1 /77•# . ............... ................ ............ ........ .77 ...... .- 1./.../..../7 ,..........
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* U. S. GOVERNMENT PRINTING OFFICE: 1976 - 6-626
I
ýýý I
lNR(C FORM[ 318 (9-76) NRCM 0240
"Toledo Edison Campany
cc w/enclosures:
Mr. Donald U. Hauser, Esq. The Cleveland Electric Illuminating Company P. 0. Box 5000 Cleveland, Ohio 44101
Gerald Charnoff, Esq. Shaw, Pittman, Potts and Trowbridge 1800 1 Street, N. W. Washington, D. C. 20036
Leslie Henry, Esq. Fuller, Seney, Henry and Hodge 300 Madison Avenue Toledo, Ohio 43604
Hr. Harry R. Johnson Ottawa County Courthouse Port Clinton, Ohio 43452
Ohio Department of Health AMfN: Director of Health 450 East Town Street Colunbus, Ohio 43216
Atomic Energy Control Board P. 0. Box 1046 Ottawa Ontario, Canada
Harold Kahn, Staff Scientist Power Siting Cowrnission 361 East Broad Street Columbus, Ohio 43216
Mr. Bruce Blanchard Environmental Projects Review Department of the Interior Room 5321 18th and C Street, N. W. Washington, D. C. 20240
* U. S. GOVERNMENT PRINTING OFFICE: 1976- 626-624
-2 -
NRC FORM 318 (9-76) NPRCM 0240
Docket No. 50-346
Toledo Edison Company ATTN: Mr. Lowell E. Roe
VWe President, Facilities veloopuent
Edison Plaz 300 Madison venue Toledo, Ohio 3652
Gentlemen:
SUBJECT: ISSUANCE OF AMENDMENT NO. 2 TO FAC JTY OPERATING LICENSE NO. NPF-3 R DAVIS-BESSE NUCLEAR A STIAION, UNIT NO. 1
The Nuclear Regulatory Commission has iss ' the enclosed Amendment No. 2 to Facility Opera ing License No. F-3 which is effective as of the date of issuance. Amendment No. revises the Facility Operating License by deleting l icen condition ated in paragraph 2.C.(3)(o).
We have determined that Ame nt No 2 does not authorize a change in effluent types or total amoun s nor/n increase in power level and will not result in any significant ivi nmental impact. Having made this determination, we have further luded that the amendment involves an action which is insignificant rom the standpoint of environmental impact and, pursuant to 10 CFR ion 51.5(d)(4), that an environmental impact statement, or negative a• ation and environmental impact appraisal need not be prepare in co ection with the issuance of this amendment.
A copy of the Federal Reg and the Safety Evaluatio
Enclosures: 1. Amendmen No. 2 to Li4
isuance of Amendment No. 2 are also enclosed.
Ight W6 er Reactors Ito ,'-•, / n of Pro'ect Management
cense S
* U. S. GOVERNMENT PRINTING OFFICE: 1976 - 626-624
"1W L Divisio
1NRC FORM 318 (9-76) NRCM 0240
Docket No. 50-346
Toledo Edison Company A'1N: Mr. Lowell E. Roe
Vice President, Facilities - .velopment
Edison PlazC300 Madison Av ue Toledo, Ohio 43 2
Gentlemen:
SUBJECT: ISSUANCE OF AE4ENT NO. 2 TO FACILITY OPERATING LICENSE NO. NPF-3 FOR I VIS-BESSE NUCLEAR POWER STATIOIN, UNIT NO. 1
Tae Nuclear Regulatory Commi'sion has issued the enclosed Aiendment No. 2 to Facility Operating Liense No. NPF-3 which is effective as of the date of issuance. Amendment No. 2 revises the Facility Operating License by deleting license condition stated in paragraph 2.C.(3)(o).
We have determined that Amendment No. ,2 does not authorize a change in effluent types or total amounts nor an, increase in power level and will not result in any significant environmeI tal impact. Having made this determination, we have further concluded that the amendment involves an action which is insignificant from the ktandpoint of envirornmental
" , rimpact and, pursuant to 10 CFR Section 51.5" )(4), that an environmental ',9X•,• Simpact appraisal need not be prepared in connection with the issuance of
this amendment.
A copy of the Federal Register Notice of Issuance\of Amendment No. 2 and the Safety Evaluation Supplement No. 2 are a]st enclosed.
Sincerely,
D. B. Vassallo, Assist\ft Director for Light Water React6Os
Division of Project Managiment
Enclosures: 1. Amendment No. 2 to License
No. NPF-3 2. Federal Register Notice 3. Safety Evaluation Supplement
OFFCo,.| e - . I LWR-#I LWR-#1 LD LWR-#1 .. AD/LWR EH-4;krk: 0"i LEnglhJtoz Dasa1
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NRC-) IFOR M... 318. (.76 ..... 024 _I U .S...... ......... ............................. .....RNMEN.. .RIN..N...FIC...........6
* U; S. GOVERNMENT PRINTING OFFIC£t 107'6 - 626-62ANRC FORM 318 (9-76) 1NRCbM 0240
THE TOLEDO EDISON COMPANY
AND
'TE CLEVELAND ELECTRIC ILLUMINATING COMPANY
DOCKET NO. 50-346
DAVIS-BESSE NUCLEAR POWER STATION, UNIT NO. I
AME MEN TO FACILITY OPERATING LICENSE
Amendment No. 2 License No. NPF-3
1. The Nuclear Regulatory Commission (the Commission) has found that:
A. The facility will operate in conformity with the application, the provisions of the Act, and the rules and regulations of the Ccmmnission;
B. There is reasonable assurance (i) that the activities authorized by this amendment can be conducted without endangering the health and safety of the public, and (ii) that such activities will be conducted in comliance with the Commission's regulations;
C. The issuance of this amendment will not be inimical to the common defense and security or to the health and safety of the public; and
D. The issuance of this amendment is in accordance with 10 CFR Part 51 of the Caunission's regulations and all applicable requirements have been satisfied.
2. Accordingly, the license is amended by deleting the license condition stated in paragraph 2.C.(3)(o) of facility Operating License No. NPF-3.
3. This license amendment is effective as of the date of its issuance.
FOR THE NUCLEAR REGULATORY COMMISSION
Original Signed by
John F. Stolz, Chief Light Water Reactors Branch No. 1 Division of Project Management
Date of Issuance: JUN -14 W7
SEE PREVIOUS YELLOW FOR CONCURRENCES
NRC FORM 318 (9-76) NRCM 0240
JFStolz
6• U/7 .7 ......... .
* U, S. GOVRNjbMEN1T pRiINTINd OFPI~it 19761- 62".24
S..................... i......................
THE TOLEDO EDISOW COMPANY
AND
THE CLEVELAND ELWIIC ILLUMINATIhrG COMPANY
DOCKET NO. 50-346
DAVIS-BESSE NUCLEAR POWER STATION, UNIT NO. 1
AMENDMENT TO FACILITY OPERATING LICENSE
AMený ent No. 2 Li nse No. NPF-3
1. The Nuclear Regulat ry Coamission (the Commissio ) has found that:
A. The facility wil I rate in conformity wth the application, the provisions of th Act, and the rule and regulations of the Co•m~ission;
B. There is reasonable assu ce (i) t t the activities authorized by this amendment can be c ucted /ithout endangering the health and safety of the public, (ii that such activities will be conducted in compliance with e/Coi'wission's regulations;
C. The issuance of this amendmen wi not be inimical to the common defense and security or to t -heal. and safety of the public; and
D. The issuance of this ame nt is in acco dance with 10 CFR Part 51 of the Commission's r ulations and all lpicable requirements have been satisfi.
2. Accordingly, the license i• amended by deleting the icense condition stated in paragraph 2.C.()(o) of facility Operating Lcense No. NPF-3.
3. This license amendment Ys effective as of the date of its *ssuance.
/ FOR THE NUCLEAR REGULATORY C ISSIO /
.i' Light Water Reactors r3,-d /t•i, Division of Project Management
Date of Issuance:
LWR-#1 I w-n LWR-#1 L")g: k1Stol Z
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THE TOLEDO EDISON COMPANY
AND
THE CLEVELAND ELECTRIC ILLIUMINATING COMPANY
DOCKET NO. 50-346
DAVIS-BESSE NUCLEAR POWER STATION UNIT NO. 1
AtD'-ENT TO FACILITY OPERATING LICENSE/"
)Pdnendment No. 2 License No. NPF-3
1. The Nuclear Regulatory ow~ission (the Commi sion) hav4ag found that:
A. The facility will oper te in conform y with the application, the provisions of the Aand the les and regulations of the Cormission;
B. There is reasonable assuranc that the activities authorized by this amendment can be cond ed without endangering the health and safety of the public, and/( i) that such activities will be conducted in coipliance with the onIssion's regulations;
C. The issuance of this ame nt will ot be inimical to the common defense and security or the health and safety of the public; and
D. The issuance of this aendment is in accor ance with 10 CFR Part 51 of the Comiission' regulations and all licable requirements have been sati fied.
2. Accordingly, the lice e is amended by deletinrlice condition stated in paragraph 2 C.(3)(o) of facility Operating cense No. NPF-3.
3. This license amendm nt is effective as of the date of it issuance.
FOR THE NUCLEAR REGULATORY SSION
D. B. Vassallo, Assistant Director for Light Water Reactors
Division of Project Management
Date of Issuance: FFC, .. LWR-#l LWR-#l LWR-#l D/L O F I E ......... ................. ......... ....... ....... .. ................ ........ .... ...................... ..........................
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* U. S. GOVERNMENT PRINTING OFFICE, 1976- 626-624NRC FORM 318 (9-76) NFRCM 0240
THE TOLEDO EDISON COMPANY
AND
THE CLEVELAND ELECTRIC ILLUMINATING COMPANY
DOCKET NO. 50-346
DAVIS-BESSE NUCLEAR POWER STATION, UNIT NO. 1
AMENDMENT TO FACILITY OPERATING LICENSE
Amendment No. 2 License No. NPF-3
1. The Nuclear Regulatory Commission (the Commission) has found that:
A. The facility will operate in conformity with the application, the provisions of the Act, and the rules and regulations of the Commission;
B. There is reasonable assurance (i) that the activities authorized by this amendment can be conducted without endangering the health and safety of the public, and (ii) that such activities will be conducted in compliance with the Commission's regulations;
C. The issuance of this amendment will not be inimical to the common defense and security or to the health and safety of the public; and
D. The issuance of this amendment is in accordance with 10 CFR Part 51 of the Commission's regulations and all applicable requirements have been satisfied.
2. Accordingly, the license is amended by deleting the license condition stated in paragraph 2.C.(3)(o) of facility Operating License No. NPF-3.
3. This license amendment is effective as of the date of its issuance.
FOR THE NUCLEAR REGULATORY COMMISSION
John F. Stolz, Chief Light Water Reactors Branch No. 1 Division of Project Management
Date of Issuance: JNI 14 1977
UNITED STATES NUCLEAR REGULATORY oCISSI(o
DOCKET NO. 50-346
THE TO0LEDO EDISON CONPANY
AND
THE CLEVE ND ELE CT C IUWMINATING COMPANY
DAVIS-BESSE NUCEA ER P STATION, IT NO. 1
NOTICE OF ISSUANCE OF AEMEMM •TO FACILITY
OPERATING LICENSE
The U. S. Nuclear Regulatory Commission (the Comnission) has issued
Amendment No. 2 to Facility Operating License No. NPF-3, issued to the
Toledo Edison Company and the Cleveland Electric Illuminating Company,
for operation of the Davis-Besse Nuclear Power Station, Unit No. 1 (the
facility) located in Ottawa County, Ohio. The amendment is effective as
of its date of issuance.
The amendment removes a temporary condition to the license which
restricted operation of the facility in a hot standby mode.
The amendment complies with the standards and requirements of the
Atomic Energy Act of 1954, as amended (the Act), and the Commission's
rules and regulations. The Commission has made appropriate findings
as required by the Act and the Commission's rules and regulations in
10 CFR Chapter I, which are set forth in the license amendment. Prior
public notice of this amendment was not required since the amendment does
not involve a significant hazards consideration.
FFICEE .. .................. ................................................ . . .................. . ................ ....................................... . ...................................... .......................................
SURNAM E 1 . ................. ..................... I ............................................. ............................................ .......................................... .........................................................................
D A T E J "W . ........ I ........................................................................... I .............................................. .............................................. .............................................. t ...........................
NRC FORM 318 (9-76) NRCM 0240 U. S. GOVERNMENT PRINTING OFFICE, 1976 -- 26-624
-2--
The Commission has determined that the issuance of this amendment
will not result in any significant environmental impact and that pursuant
to 10 CFR S51.5(d)(4) an environmental impact statement, or negative
declaration and environmental impact appraisal need not be prepared in
connection with issuance of this amendment.
For further details with respect to this action, see (1) Amendment
No. 2 to License No. NPF-3, and (2) the Comission's related Safety
Evaluation supporting Amendment No. 2 to License No. NPF-3. All of
these items are available for public inspection at the Crtmisslon's Public
Document Room, 1717 1 Street, N. W., Washington, D. C. and at the Ida Rupp
Public Library, 310 Madison Street, Port Clinton, Ohio 43452. A copy of itegs
I and 2 may be obtained upon request addressed to the U. S. Nuclear Regulatory
Coiamission, Washington D. C. 20555, Attention: Director, Division of Project
Management.
Dated at 8ethesda, Maryland, this Jql hay of 1977.
FOR THE NUCLEAR REGULAMORY COMMISSION
Original Signed bY•
Dennis P. Allison, Actingj Branch Chief Light Water Reactors Branch No. 1 Division of Project management
SEE PREVIOUS YELLOW FOR CONCURRENCES A
•ICE I LWR-#1 L 4 (ELD { ýL - . ......L. FJFICE-> ......... ...ii I I. W = l ........ ............................................. 1........... ..............
S....... ; • ;• ....... 6... ..... ........ .. ... .. ...... ..................... ......... NAME->- .~kj ~ DAllison
6...E 4 61.A/77 6/17/77. 6 S... .............. . ..... ...... . .. ....................................... ..............O.V. PI...................
3[ 18 (9-76) NWRCM 0240 •rUs S. GOVEa-RNlMINT PRINTING OF:FICE. 197 - 62"2e4NRC FORM
-2-
The Conmission has determined that the issuance of this amendment
will not result in any significant environmental impact and that pursuant
to 10 C$R §51.5(d)(4) an environmental impact statement, or negative
declaration and vironmental impact appraisal need not prepared in
connection with iss ance of this amendment. /
For further detai with respect to this act n, see (1) Amendment
No. 2 to License No. NPF- ,and (2) the l e /1A F-S'3
Safety Evaluatnni All of these items
are available for public insp:e ion at th Comnission's Public Document Room,
1717 H Street, N. W., Washington, . C. nd at the Ida Rupp Public Library,
310 Madison Street, Port Clinton, Oh 43452. A copy of itemSl may be obtained
upon reqest addressed to the U. S. ucl r Regulatory Commission, Washington,
D. C. 20555, Attention: Director Divis roject Management.
Dated at Bethesda, Mar land, this day of 77.
/ FOR THE NUCLEAR REGULATORY COM1ISSIOt'
Dennis P. Allison, Acting Branch Chief Light Water Reactors Branch No. 1 Division of Project Management
SEE PREVIOUS YELLOW FOR CONCURRENCES
OFFCE L -#1 LWR-#1 ELD.........# ... ........... .......... .............................................., ......................................
ooo°CE31 . .................. n.. • .......... ..... .. n " ........................ SURAMk6/ /7 LEngle 6MDPAllison .................... ... /...-... ....... /7""............... I ............. ............................ ............ ........... 6 /7 ' "7 I ... A ''i o ......................
O. 18(- 6/) /77• 6/ /77 6/t. / GOVRNM6/ f........ MRC FORM 318 (9-76) NRCM 0240 *U. S. GOVERNMENT PRINTING OFFICES 1076 - 62".2,d
-2-
The Ccmission has determined that the issuance of thi6 amendment
will not:'result in any significant environmental Impac and that pursuant
to 10 CFR •l1.5(d)(4) an environmental impact stat nt, or negative
declaration environmental impact appraisal not be prepared In
connection with suance of this amendment.
For further deta s with respect this action, see (1) Amendment
No. 2 to License No. IF , and (2) he Office of Nuclear Reactor
Regulation's Safety Evaluati rt Supplement No. 2. All of these items
are available for public Ins on at the Coammission's Public Document Room,
1717 H Street, N. W., Washi gton, C. and at the Ida Rupp Public Library,
310 Madison Street, Port linton, Ohio 43452. A copy of item I may be obtained
upon request addres to the U. S. Nucle Regulatory Commission, Washington,
D. C. 20555, Atten on: Director, Division f Project Management. Copies
of the Safety uation Report Supplement No. 2 Document No. NUREG-0136) may
be purchased a current costs, from the National Toc ical Infor-mation
Service, Spr' field, Virginia 22161.
Oat at Bethesda, Maryland, this day of 1977.
FOR THE NUCLEAR REGULATORY COMMISSION
-JohnIX bolz,/ICh ief Light Water Reactors Branch No. 1 Division of Project Management
SEE PREVIOUS YELLOW FOR CONCURRENCES
LWR 1 LWR-#1; LWR-#1 -... o. '.-! -loF F I E , , ..... .. .. . . .. . .. ... . . .7 .. ..... ... ............................. .7 .......... ........................... ..... .. .. ... ........ I .............................. ..... ................................... . SURNAMER E)I ...... 0240...U... ..O..RNM.NT LRINTIN. tO..... ;;A\
ATE ~J0 ........ .............V............................
NRC FORM 318 (9-76) NRCM 0240 *U; S. GOVERNMENT PRINTING OFFICE. 1976 - 626.624
\ The Commission has determined that the issuance of this amendment
will iot result in any significant environ•ental impact and that pursuant
to 10 CFR\§51.5(d)(4) an environmental impact statement, or negative
declaration and environmental impact appraisal need not be prepared in
connection with issuance of this amendment.
For further detailsiwith resoect to this action, see (1) Amendment
No. 2 to License No. NPF-3, and (2) the Office of Nuclear Reactor Regulation's Safety Evaluationk lement No. 2. All of these items
are available for public inspection at the Commission's Public Document Room,
1717 H Street, N. W., Washington, D. C. and at the Ida Rupp Public Library,
310 Madison Street, Port Clinton, Ohio 43452. A copy of item 1 may be obtained
upon request addressed to the U. S. Nuclear Regulatory Commission, Washington,
D. C. 20555, Attention: Director, Division of Project Management. Copies of the Safety Ealuat lement No. 2 (Document No. NUREG-0136) may
be purchased at current costs, from the National Technical Information
Service, Springfield, Virginia 22161.
Dated at Betdesda, Maryland, this day of 1977.
FOR THE NUCLEAR REGULATOX)RY COMMISSION
John F. Stolz, Chief Light Water Reactors Branch No. 1 Division of Project Management
OFFIC LIR-#I......LWR-#I "`* ELD LWR-#"
SURNAME 0 E Oj$&n .k1j LEngle 42)JStolz "°" •" " ....•' ;,i- • •................. .....7 • ............ ? - 7 ....... ..................... ... ............ .... ........ .... .... ................................ . .............. •/3/77 /I /7 ( 217 /77 NAR CIF.O .........................M................ ... ......................... ........................ .318 (0. ON..................... I2.................................................................................
INRC FORM 318 (9-76) NRCM 0240 u t. S. GOVrRNMENT PRINTING OFFICE: 1976 -- 626-624
÷ (.q .DISTRIBUTION Docket
So LWR #1 Rdg - UNITED STATES lto 1Rd
NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555 LEngle
June 20, 1977
Docket No. 50-346
Docketing and Service Section Office of the Secretary of the Commission
SUBJECT: NOTICE OF ISSUANCE OF AXMDMENT NO. 2 TO FACILITY OPERATING LICENSE NO. NPF-3 FOR THE DAVIS-BESSE NUCLEAR POWER STATION, UNIT NO. I
Two signed originals of the Federal Register Notice identified below are enclosed for your transmittal to the Office of the Federal Register for publication. Additional conformed copies (15) of the Notice are enclosed for your use.
11 Notice of Receipt of Application for Construction Permit(s) and Operating License(s).
El Notice of Receipt of Partial Application for Construction Permit(s) and Facility License(s): Time for Submission of Views on Antitrust Matters.
El Notice of Availability of Applicant's Environmental Report.
El Notice of Proposed Issuance of Amendment to Facility Operating License.
El Notice of Receipt of Application for Facility License(s); Notice of Availability of Applicant's Environmental Report; and Notice of Consideration of Issuance of Facility License(s) and Notice of Opportunity for Hearing.
El Notice of Availability of NRC Draft/Final Environmental Statement.
El Notice of Limited Work Authorization.
El Notice of Availability of Safety Evaluation Report.
El Notice of Issuance of Construction Permit(s).
X§ Notice of Issuance of Facility Operating License(s) or Amendment(s).
E] Other:
Office of Nuclear Reactor Regulation Enclosure: As Stated
r.. AL0 J-AIL I~r I U!4r Vy W xnn~ ,M M _AWU 1'4uitasLs E U E ORTH
O F F IC E- - I.......SC..... ............. I........ ........ ............ .. ......................... ........... ..... ...............................................FI ............................................. ............................................. SRAE-I ............................................ .:::: :: :::::::: ...... ... * I,* ..... ........ ... .................... ° A E -0- 1 ................. .... .............. . I- k n . 0. ..°.-.-v ................ -.I............................................. .............................................. I ............................................. 1 - * ** " ........ .. .... .. ... ... ... ... .
NRC FORM 102 (1-76)
JUN 14 1977
SAFETY EVALUATION BY THE OFFICE OF NUCLEAR REACTOR REGULATION
SUPPO•RITNG A1MEDMENT NO. 2 TO LICENSE NO. NPF-3
TOLEDO EDISON COfTANY
AND)
CLEVELAND ELECTRIC ILUMRIATING OMXPANY
DAVIS-BESSE NUCLEAR POWER STATION, UNIT 1
DOCKET NO. 50-346
WINTPDUCTION
We stated in Section 5.2.2 of Supplement I to the Safety Lvaluation Report issued on April 22, 1977, that we would require the licensee to ensure that the decay heat removal relief valve actuate prior to the automatic closure of the decay heat removal isolation valves DH 11 and DH 12.
Paragraph 2C.(3)(o) of the Davis-Besse, Unit 1 facility operating license, No. NPF-3, stipulates as a condition that:
"Prior to entering Mode 2 (Startup), Toledo Edison Company shall submit for staff evaluation and subsequently implement the necessary modification to ensure that the decay heat removal relief valve will actuate prior to automatic closure of the decay heat removal system isolation valves."
DISCUSSION
By letter dated May 2, 1977, the licensee stated that the automatic closure setpoint of the decay heat removal system isolation valves DH 11 and DU 12 is being raised to not less than 413 pounds Per square inch gauge which is 93 pounds per square inch gauge above the decay heat removal valve setpoint of 320 pounds per square inch gauge. Also, the licensee's determination of the automatic closure setpoints included margins for instrument accuracy, setpoint tolerance, instrument drift and relief valve accumulation.
EVALUATION
We have evaluated the licensee's commitment for the automatic closure setooints and have determined from our review that the 93 pounds per square inch gauge pressure differential between the setpoints of the isolation valves and the relief valve provides adequate assurance that the decay heat removal relief valve
. ...... " .........................................
DAM E) ........................ ....................................................................................................... ............................................. ............................................ . .
oNR C I . ..... ................. . . . . . . . . . . . .. . . . .. . . .... FO M.8..6...0..........................
"YX Ui s. oovaRmms* pmRINING OPF'|Cki 1976 -- e-62.NRC FORM 318 (9-76) NTRCIM 0240
-2-
will actuate prior to automatic closure of the decay heat removal system isolation valves.
Based on our review of the licensee's commitment for the automatic closure setpoints as stated above, we conclude that adequate assurance will be provided for assuring that the decay heat removal relief valve will actuate prior to automatic closure of the decay heat removal system isolation valves and this provision is acceptable to minimize the likelihood of exceeding the pressure limits of Appendix G to 10 CFR Part 50 for the first fuel cycle.
We therefore conclude that the limitations on plant operations as specified in Paragraph 2C.(3)(o) to the facility operating license, NPF-3, are no longer necessary and that the facility operating license, NPF-3, issued on April 22, 1977 can be amended by removing the license condition, stated in Paragraph 2C.(3)(o) which temporarily limited operation of Davis-B~esse, Unit I to Mode 3 (hot standby).
ENVIRON~MENTAL CONSIDERATION
We have determined that the amendment does not authorize a change in effluent types or total amounts nor an increase in power level and will not result in any significant environmental impact. Having made this determination, we have further concluded that the amendment involves an action which is insignificant from the standpoint of environmental imrpact and, pursuant to 10 CFR §51.5(d)(4), that an environmental impact statement or negative declaration and environmental impact appraisal need not be prepared in connection with the issuance of this amendment.
COCUN=SION
We have concluded, based on the considerations discussed above, that: (1) because the amendment does not involve a significant increase in the probability or consequences of accidents previously considered or a significant decrease in any safety margin, it does not involve a significant hazards consideration, (2) there is reasonable assurance that the health and safety of the public will not be endangered by operation in the proposed manner, and (3) such activities will be conducted in compliance with the Commission's regulations and the issuance of this amendment will not be inimical to the common defense and security or to the health and safety of the public. Also, we reaffirm our conclusions as otherwise stated In our Safety Evaluation Report.
Dated: 1ý4W7
OU R N ,M E -3'3 . ..... o.... ........... .... ............................................................................................
D A T M -> • . . . . . . .". . ........................ .... .................................. . .... ... ... .. ...... .. ... ...... .. ... ... ... ...... .. ..... .... .. ... ... ...... .. .... I ... .. ...... ..... ... ... ... ...... .. ...... ..... 1 . .................................
* Ua S. GOVERNMENT PRINTING OFFICE$ 1976 - 62"-241NRC FORM 3,18 (9-76) NRCbl 0240
' "DISTRIBUTION FOR DAVIS-BESSE, UNIT NO. 1 AMENDMENT NO. 2 TO OPERATING
LICENSE NO. NPF-3 DATED June- 14,.'1977
Docket Fil1 NRC PDR Local PDR LWR #1 Reading GFess, OELD RCDeYoung DBVassallo JFStolz LEngle FJWilliams HSmith BScott IE (5) NDube BJones (4) WMiller, ADM ACRS (16) VAMoore, DSE HDenton, DSE RHVollmer, DSE MLErnst, DSE WPGammill, DSE RHeineman, 9S
JKnight, SS DFRoss, SS RLTedesco, SS BScharf, ADM (10) DSkovholt AToalston, AIG IDinitz, AIG EHughes PCota, EP Marie.Slater, EP HBristow, NMSS SDuncan, NMSS VStello KGoller JMcGough DEisenhut WPasciak (Appendix B only)
EGHylton (5) PWagner, OR
CParrish, OR JRoe
bcc: JRBuchanan, NSIC TBAbernathy, TIC ARosenthal, ASLAB JYore, ASLBP