ML19329B744
| ML19329B744 | |
| Person / Time | |
|---|---|
| Site: | Davis Besse  |
| Issue date: | 01/27/1972 |
| From: | Charnoff G, Henry L CLEVELAND ELECTRIC ILLUMINATING CO., SHAW, PITTMAN, POTTS & TROWBRIDGE, TOLEDO EDISON CO. |
| To: | US ATOMIC ENERGY COMMISSION (AEC) |
| References | |
| 517, NUDOCS 8002060751 | |
| Download: ML19329B744 (60) | |
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,C-f UNITED STATES OF AMERICA ATOMIC ENERGY COMMISSION In the Matter of
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Pe~ ^7 THE TOLEDO EDISON COMPANY and THE CLEVELAND ELECTRIC ILLUMINATING Docket No. 50-346 COMPANY (Davis-Besse Nuclear Power Station)
I.- D A APPLICANTS' REQUEST FOR DETERMINATION THAT CERTIFICATION PURSUANT TO SECTION 21(b) 0F -
THE FEDERAL WATER POLLUTION CONTROL ACT IS NOT REQUIRED Applicants, The Toledo Edison Company and The Cleveland Electric Illuminating Company (hereafter " Applicants"), hereby request the Commission to determine that certification pursuant to Section 21(b) of the Federal Water Pollution Control Act (FWPCA), 33 U.S.C. 51171(b), as to the construction permit for the Davis-Besse Station (No. CPPR-80) is not required for the reasons set forth herein.
- 1. Section 21(b)(1) provides that any applicant for a Federal permit, such as an AEC construction permit, which may
. result in any discharge into navigable waters of the United '
- States, shall provide the permitting agency with a certification "that there is reasonable assurance . . . that such activity will be conducted in a manner which will not violate applicable t
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water quality standards." The Davis-Besse Station will discharge effluents into Lake Erie and the Toussaint River.
- 2. Because the construction permit for the Davis-Besse
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Station was issued on March 24, 1971, pursuant to an application filed on August 1,1969, under Section 21(b)(8), any certifica-
-tion for the Davis-Besse Station is not required until March 24, 1972, subject to other provisions of Section 21(b) which, as will be pointed out, dispense with such certification.
3 Any certification required by Section 21(b) for the Davis-Besse Station would be issued by the Ohio Water Pollution Control Board (OWPCB). Under Section 2.?(b), certifi-cation shall come from either the state where the discharge originates (in this case Ohio); or an interstate water pollution control agency having jurisdiction; or the Environmental Pro-tection Agency (EPA) if standards have been promulgated under Section 10(c) of FWPCA or if the state or interstate agency has no certification authority. None of the conditions which would require interstate agency or EPA certification are applicable here. In accord with EPA regulation 40 CFR $115.1(e), the Governor of Ohio has designated OWPCB as the certifying authority.
See letter from Governor Rhodes to the Administrator, Federal Water Quality Administration, dated June 17, 1970, attached hereto as Appendix 1.
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- 4. On January 5,1971, Applicants requested a certi-fication from OWPCB as to the Davis-Besse Station for purposes of Subsection 21(b). At that time OUPCB had no rule for the giving of notice of the application as required by the clause of 21(b)(1) which reads: "Such State . . . agency shall es-tablish procedures for public notice in the case of all applica-tions for certification." Because of this, Applicants gave publication and mail notices substantially as provided in the Rule subsequently adopted by OWPCB, but no action was taken on the application. OWPCB did adopt an appropriate rule which be-came effective April 6, 1971.
5 On April 9, 1971, Applicants again applied to OWPCB for certification as to the Davis-Besse Station. Notice of the application was given by the Board as provided in its Rule, and after it set the matter for public hearing on July 28 and 29, 1971, further notice of the hearing was given in the same manner as with respect to the filing of the application, plus additional notices. The application, as amended on July 19, 1971, is at-tached hereto as Appendix 2. .
- 6. A public hearing on the application was conducted by the OWPCB on July 28 and 29, 1971, at the time and place specified in the notice of hearing, at which testimony of 4
representatives of Applicants, EPA and various opponents of the project was received. An EPA representative testified that EPA had no objection to certification as to assurance of compliance with water quality standards. Within 30 days subsequent to the hearing, pursuant to leave by the Board to all parties, addi-tional material was submitted to the Board.
7 Up to the date of the filing of this Request the OWPCB has taken no action on the application for certification. '
On October 18, 1971, the OWPCB adopted a resolution reciting that Federal and State certification requirements necessitated a high degree of technical expertise on the par't of the Board and supporting state departments, that such expertise can often be best provided by sources outside state government, that the cost should be borne in large measure by applicants and that William B. Nye as a member of the Board and as Director of Natural Resources should coordinate and effectuate such a program, and resolving as follows:
"NOW THEREFORE, We tre members of the Water Pollution Control Board of the State of Ohio, regularly assembled this 18th day
.of October, 1971, do hereby direct that William B. Nye as a member of this Board and as the Director of the Department of
, Natural Resources, under circumstances hereinbefore set forth in this resolution, be empowered to enter into contractual arrangements designed to provide the Board with technical expertise not then currently ,
possessed by the state, and that the cost j
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of such arrangement shall be borne in large measure by the applicant."
The full text of the resolution is attached hereto as Appendix 3 On December 5, 1971, the Governor of Ohio, by
, written press release (Appendix 4 hereto), announced an assess-ment of the total impact of Davis-Besse and another projected nuclear power station in Ohio had been ordered through the De-partment of Natural Resources and was to be conducted by the Columbus Laboratories of Battelle Memorial Institute. It was also stated that the work would be completed in phases over a seven month period.
It is thus apparent that the Board will not have available to it prior to March 24, 1972, the information it deems necessary to. pass upon the certification application here involved.
- 8. Therefore, there has been a waiver of the certi-fication requirement- with respect to the Federally-approved water quality standards for Lake Erie and the OFTPCB criteria for the Toussaint River, for which no Federal approval is re-quired since it is not an " interstate water". Paragraph (1) l of Subsection 21(b) provides that "If the State . . . fails or refuses to act on a request for certification within a rea-sonable period of time (which shall not exceed one year) after
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receipt of such request, the certification requirements of this subsection shall be waived with respect to such Federal approval."
EPA in its regulations with respect to state certification, 40 CFR 6115 16 (Fed. Reg. 11-25-71, p. 22488), provides that the reasonable period of time "shall generally be considered to be 6 months, but in any event shall not exceed 1 year."
9 Inasmuch as over 12 months have passed since the initial request for certification was filed with OWPCB and over .
9 months have passed since the final application was filed (well in excess of the 6 months specified in EPA's regulations), Ap-plicants submit that.the failure of OWPCB to act should be z
, determined by the Commission to be the failure of the State agency to act on such request for certification within a rea-sonable period of time after receipt of such request and that because of such failure no certification is required with respect thereto.
- 10. In addition to the provisions of Section 21(b)
(1) as to waiver, Section 21(b)(9)(A) provides ".In the case of any activity which will affect water quality but for which there are no applicable water quality standards, no certifica-tion shall be required under this subsection," except that the permitting agency (AEC) shall impose a condition that the per-mittee shall comply with the purposes of FWPCA. With respect
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to thermal and dissolved oxygen criteria, there are no " applicable water quality standards" for Lake Erie. EPA 's regulations, 40 CFR 6120.10 (Fed. Reg. 11-25-71, p. 22490), state,
" Water quality standards consisting of water quality criteria and plans of enforcement and implementation thereof which the Administrator has determined meet the criteria of section 10(c) of the Federal Act, except as otherwise noted, have been established by the States as follows:
" Ohio Water quality standards established by Ohio in June 1967,-for interstate waters subject to its jurisdiction, and which are contained in the following documents:
"6' . ' Report on Water Quality Standards For Interstate Waters of Lake Erie, May 1967, as amended; except for temperature and dissolved oxygen criteria for waters classified " Aquatic Life A"' . "
In the absence of " applicable water quality standards" for tem-perature and dissolved oxygen in Lake Erie, Section 21(b)(9)(A) applies and certification is not required as to these matters.
However, the Commission must impose as a license condition a requirement that the A'pplicants will comply with the purposes of-FWPCA.
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Applicants accordingly request that the Commission: '
(a) Determine that the Ohio Water Pollution Control Board has failed to act on Applicants' request for certification within a raasonable period of time after its receipt, and that such failure constitutes a waiver of the requirements of Section 21(b) as to certification with respect to Applicants' construction permit.
(b) Give written notification to the Chicago Regional Administrator of the Environmental Protection Agency of the above determination, pursuant to 40 CFR $115 16(b),
and supply him with a copy of this Request and its Appendices.
(c) Determine that there are no water quality t' standards applicable to Lake Erie relating to temperature and dissolved oxygen and that no certification pursuant to Section 21(b) is required as to such matters with respect to Applicants' construction permit.
(d) Impose, as a condition of Applicants' con-struction permit, a requirement that Applicants shall comply
, with .the purposes of the Federal Water Pollution Control Act
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with respect to the matters referred to in the preceding para-graph (c).
Respectfully submitted, S
, 1' l (?N1 h ^0 + v 47 GefraId~Charnotf /
SHAW,PITTMAN,POTTS&(TROWBRIDGE fdibv. 'w% %-
Leslie Henry .
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FULLER, HENRY, HODGE & SNYDER Counsel for Applicants
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- Dated
- January 27, 1972 4
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. r APPENDIX: 1 . .
June 17,1-)70( ,
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Mr. David D. Dcminich, Commic::ioner Federr.1 Wr.ter Pollution Cor. trol Adminit,traticr. .
U. S. Departa:.nt of the kh rior Wachir.;rton, D. C. 20 Z.'2 . .
Dec:, Mr. Doudr.ick:
Your letter of June 5 inquired r.c to which n.qenc'; in Chio provides certifice tion for d.c (:! ci.cr ;inc of v.usic , it.to
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. r ., n , .,. .. r n , n ,e d ; .. i our. Chio WP.fi: r "ol'.ution Cor.trel E oned. D r. .:.rn m e tt W, Arnold, Director of the ': tate Dopsytment of 7-Jcchh, ic t,s.anirman ut me act.r.,.. y hnvc ou. v,a.c c,.
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APPENDIX 1
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- WATER POLLUTION CONTROL BOARD DEPARTMDIT OF HEALTH STATE OF OHIO APPLICATION OF THE TOLEDO EDISON COMPAIE and THE CLEVELAND ELECTRIC ILLUMINATLNG COMPAIU FOR CERTIFICATION OF DAVIS-EESSE NUCLEAR POWER STATION FOR PURPOSES OF SECTION 21(b)
FEDERAL WATER POLLUTION CONTROL ACT REPORT AND PLAN FILED APRIL 9, 1971, WITH AMENDMENT, JULY 23, 1971 k
WATER POLLUTION CONTROL BOARD DEPARTMENT OF HEALTH .
STATE OF OHIO APPLICATION FOR CERTIFICATION FOR PURPOSES OF SECTION 21 (b) FEDERAL WATER POLLUTION CONTROL ACT The Te tedo Edison Company on behalf of itself and The Cleveland Electric Illuminating Company hereby applies for certification for the purposes of Section 21(b) of the Federal Water ?ollution Control Act (33 United States Code ll71(b)), that there is reasonable assurance that the construction and operation of the Davis-Besse Nuclear Power Station will be conducted in a manner which will not violate applicable water quality standards.
The Davis-Besse Nuclear Power Station is to be located on the shore of Lake Erie in Carroll Township, Ottawa County, Ohio and owned by The Toledo Edison Company and The Cleveland Electric Illuminating Company as tenants in common in the respective shares of 52.5% and 47.5%. Toledo Edison is responsible for the design, construction and operation of the Station.
A report an! plan for said Station is submitted herewith and l
made a part hereof showing the general design of the Station and plans for its operation as now contemplated and detailed data as to expected liquid discharges from said Station into Lake Erie and the Toussaint River.
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It is requested that public notice of this application be given in accordance with Rule HEwp-1-02 of this Board as promptly as possible.
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It is respectfully requested that the Board issue the certi-fication here applied for as promptly as possible in order that applicants may obtain Federal licenses and permits required for the construction and operation of the Station. The Station is scheduled for full operation in the latter part of 1974, at which time its output will be needed to assure an adequate and dependable supply of electric energy to large sections of the State of Ohio.
THE TOLEDO EDISON CO NY -
By 79 7 049 ce Pres t - Powe 420 Madi Avenue Toledo, io 43601 GLENN J. SAMPSON, being first duly sworn, says that he is the officer duly authorized to execute the foregoing application and that the statements made therein are true as he verily believes.
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Sworn to and subscribed in my presence is 8th da of April,1971 at Toledo, Lucas County and State of Ohio.
N GENEVA. LEAKE Notary Public. Lucas County Ohio My Commissioa Excires Sept. 2.1974
EXPLANATIOf The Anendnents to the report and plan are submitted to present a revision of the plan by which the service water discharge sill be used for cooling tower makeup water, thereby reducing substantially the a=ount of heat discharged to Lake Erie and the size of the plumes of heated water.
Changed portions of the pages are indicated by sidelining.
THE TOLEDO EDISON COMPANY 7
N -? ,. (417 .!-9 G-V ce Preside ,2 over/
h20 Madis,c' venue Toledo, 43652 GLENN J. SMSON, being first duly sworn, says that he is the officer duly authorized to execute the foregoing application and that the statements made in the application as amended are true as he verily believes.
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Sworn to and subscribed in my presene this /7 day of 1971 at Toledo, Lucas County and State of Ohio. j[,
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GENEV(1.LEAKb Notary Petk. Luas Ccx:/, Ohio My Comr.n: ion Ex; ires Scpt. 2,1974 rqL O
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D AVIS-BESSE NUCLE AR POWER ST ATION ARTI ST S PENDERING
F:eface This report and plan is submitted as part of and in support of the application of The Toledo Edison Company on behalf of itself and The cleveland Electric Illuminating Company dated April 8,1971 for certification for the purposes of Section 21(b) of the Federal Water Pollution Control Act (33 United States Code ll71(b)) with respect to the Davis-Besse Nuclear Power Station.
The purpose of this report is to describe the water systems which ara proposed to be part of the Davis-Besse Station and the dis-
< harges of effluent into Lake Erie and the Toussaint River, for the purpose of demonstrating that there is reasonable assurance that the construction and operation of said Station will be con-ducted in a manner that will not violate applicable water quality standards, and that this Board may properly give certification thereof pursuant to Section 21(b) .
This report covers generally the matters contained in a report submitted to this Board in connection with an application for certification pursuant to Section 21(b) on January 25, 1971, as to which no action was taken, and a report submitted to this Board on March 25, 1970 in connection with an application for a discharge permit pursuant to Se. tion 6111.03 of the Ohio Revised Code, as to which no action has been taken. (The latter report was also filed with the Department of Health, State of Ohio on December 30, 1969 in connection with an application for approval pursuant to Sections 3701.18 and 3701.19 of the Ohio Revised Code.)
In the original report it was recommend that a once through condens-er cooling water system be used with a discharge into Lake Erie at 180F above ambient lake temperature at a rate of 685,000 GPM which would involve a thermal plume 50F or higher above ambient under zero current conditions of about 88 acres and with a length of about 3900 feet. The 1 F plume would have covered 6680 acres under zero current conditions and have a length of about 34,000 feet.
Larger plumes would have occurred under certain current conditions.
Heat input to the Lake was calculated at 6,120,000,000 BTU per hour.
This report sets forth the changes and modifications made in the plans for the Station since the original report, including the installation of a closed cycle condenser cooling water system with a natural draft cooling tower, and also the use of service water discharge for cooling tower make-up. These changes will reduce the quantity of water discharged into the Lake, includ-ing blowdown from the cooling tower and all other water, to a i maximum of about 13,800 GPH, at varying temperatures, which will result in a thermal plume SOF or higher above ambient not s
Rev. 7/19/71
1 in excess of .16 acre and a length of 180 feet under any current l conditions. The loF plume under the same conditions would cover only about 3.5 acres and have a length of about 840 feet. Maximum heat input to the Lake and River is calculated at 138 Million BTU per hour. Also set forth are figures as to plume sizes at other temperatures.
Additionally, the open intake and discharge channels have been eliminated and submerged pipes substituted. As a resu't the shore-line of the Lake will be unchanged and there will be no effect on the drift of littoral sand. Also there will be no interference with boating along shore. Also it is now proposed to discharge effluent from the sewage treatment plant to Lake Erie instead of the Toussaint River, so that discharges into the River will consist principally of stonn water runoff in quantities dependent on natural conditions.
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u-Rev. 7/19/71 a.
TABLE OF CONTENTS Page 1 INTRODUCTION 1
' 1.1 HISTORY OF WATER USE AND DISCHARGE PLANS TO DATE 1 1.1.1 General 1 1.1.2 The Original Recommendation 1 1.1.3 The Change of Plan 1 1.2 REVISED REPORT 2 1.3 LOCATION 2 1.4 SCOPE 3 2 SITE ARRANGEMENT AND STATION DESIGN 3 2.1 SITE ARRANGEMENT 3 2.2 STATION DESIGN 4 2.2.1 Nuclear Area 4 2.2.2 Turbine Area 4 2.3 WATERWAY ARRANGEMENT 5 2.4 WATER SYSTEMS 6 2.4.1 Closed Condenser Cooling Water Svstem 6 2.4.2 Service Water System 6 2.4.3 Potable Water System 7 2.4.4 Demineralized High Purity Water System 7 2.4.5 Sewage Treating System 7 2.4.6 F*ar= Water Drainage System 7 2.4.7 1eous Drains 7 2.4.8 ..n Water 7 3 STATION WASTE TREATMENT AND LIQUID EFFLUENTS 8 3.1 GENERAL 8 3.2 EXISTING LAKE WATER CHEMICAL COMPOSITION 8 3.3 EFFLUENTS TO COLLECTING BASIN 8 3.3.1 Monthly Average Operating Conditions 9 3.3.2 Daily Extreme Operating Conditions 9 3.4 -
, CLOSED CYCLE CONDENSER COOLING WATER SYSTEM 9 3.5 SERVICE WATER FROM TURBINE ROOM, COMPONENT, AND
' CONTAINMENT COOLERS 10 3.6 NEUIRALIZED REGENERANT WASTE FROM MAKE-UP DEMINERALIZERS 11 s 3.7 PUMPED EFFLUENT FROM THE SETTLING BASIN 11 K, 3.8 EFFLUENT FROM SEWAGE TREATMENT PLWI 11 3.9 PROCESSED EFFLUENTS FROM NUCLEAR AREA 11 3.10 EFF1.UENTS TO THE TOUSSAINT RIVER 12 3.10.1 Method of Entrv 12 3.10.2 Effluents Discharged 13 3.10.2.1 Storm Water Drainage System 13 3.10.2.2 Miscellaneous Drains 13 4 THERMAL PREDICTIONS 13
' l FIGURES (LISTED ON PAGE 11)
, TABLES
' (LISTED ON PAGE iii) ;
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9 FICURES Figure No. Title 1 Site. Location Plan 1 2 Station Arrangement ,
3 Nuclear Steam System Diagram
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4- Steam and Feedwater Diagram 5 Closed Condenser Cooling Water System Diagram 6 Service Water System Diagram 7 Collecting Basin and Settling Basin Arrangement 8 Collecting Basin Effluent St; ques Diagrt a 9 Four Cell Settling Basin - Effluent Sixeams 10 Make-up Demineralf rer System Diagram 11 Condensate Demineralizer System Diagrcm l
12 Clean Liquid Radioactive Waste Syster.
13 Miscellaneous Liquid Radioactive Wast.e System 14 Storm Water Drainage' and Miscellaneo ss Drain Diagram 1 15 Maximum 10F Isotherm with Cooling Teser and Closed System 16 Maximum 10, 20, and 5 F Isotherms w:thout Cooling Tower--Open Lake Cooling Syetem s
e 11 0
TABLES Table No. Title 1 Principal Design Data for Nuclear Steam Supply System 2 Average Composition of Existing Lake Erie Water at the Davis-Besse Station 3 Station System Effluents and Combined Effluent to Lake Erie from Collecting Basin Minimum Monthly Average Operating Conditions -
Month of September k Station System Effluents and Combined Effluent to Lake Erie from Collecting Basin Maximum Monthly Average Operating Conditions -
Month of April 5 Station System Effluents and Combined Effluent to Lake Erie from Collecting Basin Minimum Operating Condit!ons -
A September Day 6 Station System Effluents and Combined Effluent to Lake Erie from Collecting Basin Maximum Operating Conditions -
An April Day 7 Cooling Tower Blowdown and Other Effluent Data, Combined Discharge to Lake Erie by Months, '
Average Temperature Rise above Lake and Average Heat Input to Lake Erie 8 Cooling Tower Blowdown and Other Effluent Data, Combinea Discharge to Lake Erie by Months, Maximum Temperature Rise above Lake and Heat Input to Lake Erie iii Rev. 7/7/71
1 INTRODUCTION 1.1 HISTORY OF WATER USE AND DISCHARGE PLANS TO DATE 1.1.1 General All major steam electrical generating stations utilize steam turbines which discharge.large quantities of low temperature unrecoverable heat that must be dissipated to the environment. This heat is contained in the steam that passes through the turbine and into the condenser at high vacuum. Cooling water is pumped through tubes in the condenser where this unrecoverable heat is transferred to the cooling water, raising the temperature of the cooling water. This temperature rise is normally in the order of 120F to 280F, depending upon the particular design. The cooling water in most stations comes from a river or lake and is returned to the same body of water from which it was withdrawn. This unrecoverable heat is ultimately rejected to the l atmosphere through evaporative cooling, radiation and convection from the discharge cooling water after it is dispersed in the lake or river.
In addition, these stations require smaller quantities of water, commonly called service water, for cooling various station components.
1.1.2 The Original Recommendation The original report and general plan for Lake Erie Water Use and Discharge from Davis-Besse Station was formally submitted to the Ohio Department of Health on December 30, 1969.
The recommended arrangement in this report was an open lake cooling system with an 180F temperature rise across the condenser at a flow rate of 685,000 gpm. The lake area covered by the thermal plume at a temperature of 5 F and higher.was estimated to be 88 acres under zero current conditions and it ex-tended into the lake a distance of 3,900 feet from the point of outfall.
This report ccatained the results of limnology studies conducted by Dr. John C.
Ayers of tha Great Lakes Research Division at the University of Michigan. It also contained thermal plume studies conducted by Dr. Donald W. Pritchard of the Chesapeake Bay Institute at Johns-Hopkins University. Both studies indi-cated that there would be no damage to the lake.
1.1.3 The Change of Plan On July 30, 1970, the final decision was made to provide a cloeed cycle con-denser cooling system utilizing a natural draft cooling tower to reject sub-stantially all of the heat in the condenser cooling water directly to the atmosphere.
The decision to use a closed cooling water system was based on a number of factors, including the following:
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- 1. Numerous statements of representatives of the Federal Water Quality Administration and others connected with the Department of the ,
Interior opposing large additions of heat to Lake Erie from power i plants, )
- 2. The publicly expressed concern of conservation and other organizations as to the effect of an open cycle system on the ecology of Lake Erie, 1 Rev. 7/7/71
- 3. The overriding need of having the station in operation on schedule and thus avoiding the possibility of delays pending decisions as to applicable water quality standards, and
- 4. The avoidance of duplicate costs involved with system partially or wholly built and then required to be replaced by a dif ferent sys tem.
The public interest involved in the last two factors was deemed so great that the more costly and less efficient system should be installed. The two public utilities are duty-bound to use their best efforts to supply the needs of their customers. Because of constantly increasing demands for power, it is very important that the unit be in operation without delay.
It is estimated that the net additional capital cost of the station with the l closed cycle cooling system will be about $9 million and that the annual cost, giving effect to extra costs and reduced output, will be about $3 million.
1.2 REPORT AND PUW This report and plan has been prepared by The Toledo Edison Company for the Water Pollution Control Board, Department of Health, State of Ohio, to describe the presently proposed arrangement of facilities for the Davis-Besse Nuclear Power Station and to set forth conditions of water use from Lake Erie and dis-charge-into the lake and the Toussaint River.
The Davis-Besse Station will be owned by The Toledo Edison Company and The
( Cleveland Electric Illuminating Company as tenants in common. Toledo Edison will own 52.5% of the station and Cleveland Electric will own 47.5%. Toledo Edison will be responsible for the design, construction, and operation of the station. -
Toledo Edison and Cleveland Electric are a part of the CAPCO Group which also includes Ohio Edison Company and two electric utilities in Pennsylvania. These two companies are committed to this Group to install this generating f acility which is needed to provide for anticipated load growth of Toledo Edison, Cleve-land Electric, and a.'.so Ohio Edison. A part of the memorandum of understanding of CAPCO calls for pooled generating units and related high voltage transmission interconnections to realize economies of scale that would not be available to each company individually.
This otation is planned for a December 1974 commercial operating date. The first fuel loading is planned for June 1974 followed by initial low power opera-tion with a gradual increase in output until the AEC licensed power level is 1 attained.
i 1.3 LOCATION The site of the Davis-Besse Station is on the shore of Lake Erie in Carroll Township, in Ottawa County, approximately 6 miles northeast of Oak Harbor and 21 miles east of Toledo as shown on Figure 1 at the end of this section of the raport under the tab FIGURES. This site area is sometimes referred.to as Locust Point. The station site will encompass more than 950 acres of which
, about half will be marshland.
2 Rev. 7/7/71
Ine principal portion of the site (Navarre Marsh) was acquired from the U.S.
Bureau of Sport Fisheries and Wildlife in exchange for an established private game marsh area (Darby Marsh) which had been acquired by Toledo Edison.
Under the acquisition agreement, certain unused marsh areas within the plant site boundaries will be available to the Bureau for management as a National Wildlife Refuge. This will amount to the addition of approximately 500 acres of water fuwl refuge area that will be under management of the Bureau of Sport Fisheries and Wildlife.
1.4 SCOPE This report and plan describes the facilities at the Davis-Besse Station for water supply, sewerage, purification and treatment facilities for water supply and sewage and the works for the treatment and disoosal of industrial wastes.
It also describes the nature of the discharges into Lake Erie and the Toussaint River.
It is submitted that the showing made demonstrates that the facilities will more than meet the requirements of the public health and that the discharges will comply with the water quality criteria and standards for Lake Erie and the Tous-saint River adopted by the Water Pollution Control Board and approved by Federal authorities and will not affect the properties of the waters of Lake Erie or the Toussaint River in a manner which renders such waters harmful or inimical to the public health or to anbaal or aquatic life, or to the use of such waters for domestic water supply, or industrial or agricultural purposes, or for recre-ation.
A detailed description of the Davis-Besse Nuclear Power Station, with the prin-cipal design criteria and nuclear safety analysis, is contained in the Prelimi-nary Safety Analysis Report (PSAR) which has been submitted to the U.S. Atomic Energy Commission as a supporting document to the Application for Utilization Facility Construction Permit and Operating License filed on August 1, 1969 (AEC Docket No. 50-346) . Copies of the ?SAR with all amendments to date have also been submitted to the Atomic Energy Coordinator for the State of Ohio, to the staff of the Water Pollution Control and the Ohio Department of Health for their information.
- 2. SITE ARRANGEMENT AND STATION DESIGN 2.1 SITE ARRANGEMENT The station structures will be located approximately in the center of the site ,
on the high ground immediately to the west of the marsh area as shown on Figure 2 at the end of this section of the report under the tab FIGURES. The intake water pumps for condenser cooling system make-up and station service water are located in a separate intake structure adjacent to, and east of, the main station structures.
The station electrical switchyard will be located to the west of the station structure and three 345 KV transmission lines will exit from the switchyard and station site.
3
2.2 STATION DESIGN 2.2.1 Nuclear Area The nuclear portion of the station will consist of a pressurized water reactor nuclear steam supply system (NSSS) with its related auxiliaries and containment structures.
The reactor power level for which the license application to the U. S. Atomic Energy Commission (AEC) has been submitted, is 2,633 megawatts thermal (MWt) .
It is anticipated that after some period of operation, the licensed power level can be increased to 2,772 MWt. In addition to the nuclear reactor heat output, 17 megawatts of heat is added to the primary system by the pumping power input from the primary coolant pumps, which gives a rated out-put of 2,650 MWt and an expected maximum output of 2,789 MWt from the nuclear steam supply system.
To remove heat from the reactor primary system, feedwater fram the turbine area is pumped through the steam generators where heat from this system is transferred to feedwater in the secondary system, boiling it to steam which is utilized to drive the turbine. Steam and feedwater in the secondary system are not rad ioactive. Both of these systems are closed systems and the water or steam in them does not come in contact with the closed condenser cooling water and cooling tower system.
A diagram of the nuclear steam supply system is shown on Figure 3 at the end of this section under the tab FIGURES. Principal design data for this f
system is given in Table 1 at the end of this section under the tab TABLES.
2.2.2 Turbine Area The turbine area of the station will consist of a turbine-generator with related auxiliaries to utilize steam from the nuclear steam supply system.
The turbine will be a tandem compound, four-flow exhaust unit with exhaust steam entering the condenser from two low pressure elements, each element exhausting to a separate shell of the condenser. The turbine cycle will utilize six stages of feedwater heating using extraction steam from the turbine to heat the feedwater supplied to the steam generators. A diagram of the turbine steam and feedwater cycle is shown on Figure 4 at the end of this section under the tab FIGURES.
At the rated output of 2,650 MWt from the nuclear steam supply system (NSSS),
the electrical output of the station is 872 MWe, and at the expected maximum NSSS output of 2,789 MWt, it is 906 MWe. The difference between the NSSS thermal output and the station electrical output, is the heat rejected to the condenser cooling water system and the station electrical use.
All quantities given in this report including flow rates, temperatures, BTU total heat values, thermal plume sizes, suspended solids, oxygen contents, etc. , are based on the maximum expected NSSS output of 2,789 MWt correspond-ing to a net electrical output of 906 MW. There will be no increase in any of these values since there can be no increase in operating power level be-yond 'the 906 MWe maximum.
4
2.3 WATERWAY ARRANGEMENT As shown on Figure 2, Lake Erie water will be drawn into the station through submerged intake pipes that extend f, rom the shoreline of the site in a north-easterly direction out into Lake Erie for a distance of approximately 3,000 feet to a depth near the contour line 11 feet below mean low water datum level.
The on-site portion of the intake water system will consist of an open intake channel connecting to the submerged pipes at the shoreline and extending in a southwesterly direction to the intake structure near the station.
An intake crib will be provided at the inlet of the submerged pipe to prevent debris and ice pile-up from plugging the intake during winter and spring when ice conditions are prevalent on Lake Erie. The lake end of the intake pipes will be turned up and terminate with a flared intake cone such that lake water will enter vertically downward through a screen over the cone. With the screen and the low entrance velocity in this type arrangement no significant number of fish will enter the open intake canal. Conventional traveling screens will be installed immediately ahead of the pump well area at the station intake structure to prevent any fish which might be in the intake canal or small debris from entering the pump wells.
The submerged offshore intake pipes will pass under the shoreline and enter the inlet of the open intake channel, onshore, in a manner that will not alter the contours of the shoreline. The shoreline at this point will be essentially unchanged and the structures will have no influence on the drift of littoral sand.
t The width and depth of the open channel section of the intake water system are amply sized for service water system flow which will also serve as make-up for the closed condenser cooling water system at a design make-up flow rate of 22,000 gpm plus dilution water flow up to a maximum rate of 20,000 gpm, includ-ing other miscellaneous uses for a total of 42,000 gpm. Water velocity in this open channel will be less than one foot per second at mean low water level of 568.6 feet. This elevation is based on the International Great Lakes Datum (1955).
The diameter of the submerged intake pipes for the offshore section of the in-take system will be sized for a velocity of about two feet per second at the total water flow of 42,000 gpm.
The submarged discharge pipe, shown on Figure 2, will follow the routing of the intake canal from the station in a northeasterly direction to the shoreline of the lake, turn in the easterly direction away from the intake and continue out to a distance of about 1,300 feet. The outlet of the discharge pipe will be reduced in cross-sectional area to impart a velocity of 6.7 feet per second, at a flow of 20,000 gpm, to the discharge water at the point of entry into the unconfined lake water in a depth of approximately six feet.
Discharge at this velocity promotes rapid mixing with adjacent lake water and quickly reduces the temperature level of the discharge plume. The Tables on Pages 14 and 15 cover, in detail, the thermal profiles obtained with this dis-charge configuration.
(' Neither the submerged intake .or discharge structures will in any way . inder navigation or normal use of the lake.
5 Rev. 7/19/71
2.4 WATER SYSTEMS 2.4.1 closed Condenser Cooling Water System The largest volume of water is used for make-up to the closed condenser cooling l tower system and as stated in 2.2.1, this system is isolated from the primary and secondary reactor coolant systems. The closed condenser cooling water system utilizes four large, high head, circulating water pumps to pump water through the Low Pressure shell of the two-shell multipressure condenser. The water, after leaving the L.P. shell, circulates through the High Pressure shell in a series circuit. From the H. P. shell, the water passes out of the plant in two underground pipes to the single natural draft cooling tower.
The condenser cooling water enters the cooling tower at a point approximately 50 feet above grade level and is distributed throughout fire resistant filler material arranged inside the base of the tower. As the water drops through l the porous fill, it comes in contact with the air to reduce the temperature.
The water then fall's into a collecting basin under the tower from which it flows back to the four large pumps through a single open channel. This system is shown on figure 5 at the end of this section under the tab FIGURES.
2.4.2 Service Water System Service water to the cooling water heat exchangers in the closed cooling water system, used to cool the various station components, will be pumped from the intake structure after it has passed from the lake through the intake piping 7
and canal system described in 2.3. A chlorination system will be installed i ahead of the intake structure to add small amounts of chlorine to the water to prevent fouling of heat exchange surfaces by algae. The amount of chlorine added gives a concentration in the discharge water that is less than that of drinking water from the average city water system.
There are several cooling water systems, utilizing service water, that are a part of the station. The service water system supplies lake water to heat exchangers for a closed component cooling system and heat exchangers for the containment cooling system.
A closed cycle, recirculating water system is used in the turbine area to remove heat from the turbine oil system, generator cooling system and miscellaneous equipment. The heat fron this closed system is transferred to service water in the two turbine building heat exchangers which are also supplied from the service water system, described below.
Three pumps are located in the intake structure to supply lake water to the service water system fo'r distribution to the containment coolers, the heat exchangers for the closed cycle nuclear component cooling system and turbine building heat exchangers. A flow diagram including the service water pumps and all of these cooling water systems ?.s shown on Figure 6 at the end of this section under the tab FIGURES. After passing through the heat exchangers, l water from the service water system is discharged into the closed condenser cooling water system to supply the make-up requirements for this system as r
shown on Figures 5, 6 and 8 at the end of this section under the tab FIGURES.
6 Rev. 7/7/71 u_ s
2.4.3 Potable Water System Water - for general station use, including potable water, will be processed lake water. This water will be taken from the intake canal, processed through a filter clarifier unit, and chlorinated to make it suitable for potable, sanitary, and general station use. This water will be further processed in make-up demineralizers to provide the high purity water required for use in the turbine and nuclear steam supply systems.
The backwash effluent from the filter clarifier will be disebarged into a set-tling basin equipped with an overflow wier to retain _all suspended solids in the ,
settling basin and permit only clear water to flow into a sump adjacent to the settling basin. From the sump, it will be pumped to the collecting basin for combined discharge with the other effluents to Lake Erie. The settling basin is shown on Figures 7 and 9 at the end of this section under the tab FIGURES. .
2.4.4 Demineralized High Purity Water System The extremely pure water required for initial filling and make-up for the pri-mary system and secondary system will be supplied by ion exchange demineral-izer units that will process potable water. These ion exchange units require regeneration periodically and this is done by passing acid and caustic over the ion exchange material which has become saturated with ions from he potable water. The treatment and disposal of this regeneration effluent is discussed in Section 3.6.
/
2.4.5 Sewage Treating System A sewage treatment plant will be provided to process all effluent from the station's sanitary sewer system. This treatment plant will provide primary and secondary treatment, which will meet requirements of the Department of Health, State of Ohio. The resulting effluent discharge is discussed in Sectien 3.8.
2.4.6 Storm Water Drainage System The building and paved areas of the station will be provided with a storm drain-age system that will drain directly into the existing ditch along the south boundary of the site. Storm water drainage af ter enterin t this ditch travels a distance of approximately 1% miles before reaching the Toussaint River.
2.4.7 Miscellaneous Drains ,
Miscellaneous drains from equipment, plant floor drains, etc. , will discharge into the storm drainage system. No chemical or oily wastes will be pennitted to be disitarged in this manner. All such drains will be lake water or system water which is of better quality than lake water.
2.4.8 Marsh Water Under the agreement with the U.S. Bureau of Sport Fisheries and Wildlife, pump-ing stations for water level control of the marsh will be installed in the two main marsh sections. These pumping stations will be operated by the Bureau to maintain desired water levels in the marsh.
7 Rev. 7/7/71
3- STATION WASTE TREATMENT AND LIQUID EFFLUENTS 3.1 GENERAL Total water supply for all equipment, personnel, and make-up requirements for the station will be taken from Lake Erie. After use in the station,
, all of the remaining effluents will be released to Lake Erie and only storm water drainage will .be discharged to the Toussaint River.
As this water passes through the plant there will be only a slight alter-ation in its mineral composition due to the addition of neutralizing chemicals.
The Ph will be reduced slightly bringing it closer to neutral. The, total weight of solids discharged will be only slightly greater than the weight .
j of those removed.
k- - All effluents that will be eventually discharged to Lake Erie will be first i
piped to a common collection point, which is shown on Figures 7 and 8 at the .
end of this section under the tab FIGURES.
l The common collection point, referred to as the collecting basin, is used to ;
(1) permit the use' of a single discharge point to Lake Erie, (2) to provide !
uniformity in chemical and thermal effluents from multiple sources, and (3) I to facilitate monitoring of chemical concentration and temperature of the !
single composite effluent flow to the lake.
\ The combined discharge of the seven effluents listed in 3.3 will not adversely {
effect the water quality of Lake Erie or the Toussaint River. Effluent quality will be well above the most stringent existing criteria for public water supply, aquatic life A, and recreational use.
1 3.2 EXISTING LAKE WATER CHEMICAL COMPOSITION
. Sampling and analysis of lake water at the station site has been conducted over a'two-year period. This data was used for design of the station water treating equipment and for determination of effluent discharge quality. The average water analysis for this period is given in Table 2 at the end of this section under the tab TABLES.
a 3.3 -EFFLUENTS TO COLLECTING BASIN i i l
Station Systems that will be piped to the collecting basin and ultimately -
.to Lake Erie are as follows: 1
- 1. EBlowdown-from closed condenser cooling' water system.
- 2. Service water discharge (Normally closed) . ,
- 3. Neutralized regenerant' waste from make-up demineralizers.
- 4. ' Pumped effluent from the settling basin.
- 5. . Sewage Treatment plant effluent.
- 6. Processed effluents from nuclear area.
- 7. Tempering water' from Lake Erie.
8-Rev. 7/7/71
- . - .. , -_ , . - _. . _ _ _ - ~ . . _ . _ _ _ _ .
~
Flow quantities, chemical compositions, and temperature rise above ambient lake temperature for each of the individual effluents and the combined ef fluent discharge to Lake Erie are gi.*en in Tables 3, 4, 5, and 6 at the end of this section under the tab TABLES. Dispersion and mixing with lake water is discussed in Part 3.11. All values given on these four tables are for normal operating conditions at the maximum net station capacity of 906 MWe. Under reduced load operation or shutdown conditions, all of these values will be reduced.
3 . 3 .- l Monthly Average Operating Conditions Tables 3 and 4 give detailed data for the minimum and maximum monthly averages included in summary Table 7. Table 3 applies to the month of September which is the minimum and Table 4 applies to the month of April which is the maximum.
. 3.3.2 Daily Extreme Operating Temperature Conditions Tables 5 and 6 gis. detailed data corresponding to minimum and maximum daily tempereture rise conditions. The minimum condition occurs on a September day when temperature of the cooling tower blowdown and other miscellaneous effluents is below lake temperature as shown in Table 5. The maximum temperature rise condition is given in Table 6. This occurs on an April day and 4,580 GPM of dilution water is required to reduce the composite effluent from about 30 F above lake temperature down to 200F.
3.4 CLOSED CYCLE CONDENSER COOLING RATER SYSTEM I .One natural draf t cooling tower approximately 490' high and 415' in diameter l will be used to dissipate 98% of the total heat from the condenser to the atmosphere through evaporative cooling. The remaining 2% of the total heat from this system is discharged to Lake Erie in the b?.owdown from the coolit; tower system. Condenser cooling water in the closed system will be pumped thro;gh the cooling tower at the rate of 480,000 gpm using four circulating pumps each with a capacity of 120,000 gpm. Temperature rise of water passing through the condenser will be 26 F and the temperature will be reduced by this amount when the water circulates through the cooling tower. '
A portion of the water in the closed cooling system will be discharged to Lake Erie to maintain chemical concentrations in the system at a level twice that of the make-up water. To maintain this level of conce.ntration, the amount of blowdown from the tower will be equal to the evaporative losses from the tower. These losses will vary from 7,500 gpm to 10,400 gpm. The system will be 'esigned to discharge a maximum of 11,000 gpm to the lake after passing through the collecting basin as shown on Figures 5 and 8 at the end of this section under the tab FIGURES.
The chemical concentration of the blowdown water from this system will be maintained. at approximately 480 ppm total dissolved solids.
Due to the high alkalinity of the Lake Erie make-up water, some acid feed for neutralization is necessary to control scale formation on surfaces of the closed condenser cooling water system, and to maintain the ph of the discharged water within applicable water quality standards for Lake Erie. The acid feed will
\ amount to 6i0 ppm based on a maximum make-up flow of 22,000 gpm and will result in the discharge of water at a ph of 7.3.
9 Rev. 7/7/71
)
t I
The closed cooling system will be periodically chlorinated to prevent slime and algae build-up in the condenser. Chlorination will be approximately
- four times per day at 30 minutes each time. Free residual chlorine will be 0.5 ppm. Chlorine will be added to one of the two supply pipes to the con-denser. Blowdown will be taken from the opposite pipe to minimize discharge of chlorine to the collecting basin.
An inhibitor may be used in the closed condenser cooling water to help pre-vent corrosion and scaling in plant equipment if this proves to be a problem.
i If an inhibitor is used, it will not be a chromate or zine type so these, or other toxic materials, will be avoided completely. The inhibitor added would probably be a very low level ortho phosphate to maintain about 2 ppm concen-tration in the system.
No chemical will be added to the water that would substantially reduce its oxygen ccatent, and at the normal blowdown water temperature, the oxygen content will be essentially the same as that existing in ambient Lake Erie water at the same temperature.
Blowdown from the cooling tower circuit will be released from the cold water circuit leaving the tower to keep temperature of the discharge to a minimum.
The temperature of this blowdown will average approximately 14.3 F above am-bient lake water temperature and total heat discharged to the lake from this system will amount to about 66 million BTU's per hour on an annual basis.
l The design of all systems will be based on the expected maximum NSSS output of 2,789 MWt corresponding to 906 MWe net.
I The condenser cooling water flow will be constant over all ranges of station output and, as a result, the temperature rise will decrease as the station output decreases. The first year of operation will be limited to the maximum output of the initial AEC license level of 2,550 MWt and during this period,
.the maximum temperature rise will be 95% of that for which the system is de-signed.
3.5 SERVICE WATER FROM TURBINE ROOM, COMPONENT, AND CONTAINMENT COOLERS Water for turbine room cooling, component cooling, and containment cooling heat exchangers will be taken directly from the intake channel fore-bay.
Three high pressure service water pumps will be used to supply lake water to these heat exchangers.
The chemical content of this service water will be unchanged as it passes through the heat exchangers except for small amounts of chlorine that will be added to reduce slime and algae build-up on the heat exchange surfaces.
The temperature rise of the cooling water in this circuit will be 120 to 150F above the lake and it will be pumped to the closed condenser cooling water system -
during hot weather periods so that it can be used as make-up for this system.
During cold weather periods, the discharge from this system will be piped directly to the fore-bay area to retard ice formation in the water intake. ,
The closed condenser cooling water system will be _ bypassed under this condi- - i tion and make-up requirements for it will come directly from Lake Erie at
, lake temperature. :
j 10 Rev. 7/7/71
L.6 NEUIRALIZED REGENERANT WASTE FROM MAKE-UP DEMINERALIZERS Strong acid and caustic will be used to regenerate the station make-up demineralizers shown on Figure 10 at the end of this section under FIGURES.
In order to avoid discharging these chemical wastes directly to the lake, they will be diverted to a hold-up tank where excess acid will be neutral-ized. Following neutralization to a ph of 7.0, the rsgenerant wastes are piped to the collecting basin where they mix with other station effluents.
Due to the nature of the wastes and the fact that they have been neutralized, they contain high dissolved solids. The amount of these wastes is quite low in relation to some of the other station effluents and thus have a small effect on the resultant solids discharged to the lake.
3.7 PUMPID EFFLUENT FROM THE SETTLING BASIN Effluent from the settling basin will come from two sources as follows:
- 1. Filter clarifier solids effluent as shown on Figure 10.
- 2. Condensate demineralizer backwash effluent as shown on Figure 11.
These two system effluents are the only ones that contain suspended solids.
The effluents fran these systems are pumped through the four-cell settling basin. The design of this settling basin is expected to result in a e suspended solids discharge equal to, if not better than, the lake water itself.
3.8 EFFLUENT FROM SEWAGE TREATMENT PLANT Effluent from the rewage treatment plant will be piped to the collecting basin for mixing with other effluents prior to discharge to Lake Erie. This is shown on the effluent streams diagram of Figure 8. The sewage treatment plant will process all effluents from the station's sanitary water system.
It will provide prbmary and secondary treatment, which will meet all stand-ards of the Department of Health, State of Ohio. Ef fluent B.O.D. will be 14 ppm which is substantially below that required for secondary sewage treatment systems.
Effluent water will be chlorinated so that the fecal coliform content will meet criterion for waters used for recreational purposes.
The sewage treatment plant is designed for 360 personnel. Design effluen.
flow rate will be 30 gpm with intermittent operation. System capacity on a daily basis will be 9,000 gallons per day.
3.9 PROCESSED EFFLUENTS FROM NUCLEAR AREA The United States Atomic Energy Commission has jurisdiction over standards for protection against radiation hazards including the release of radio-active material under the Atomic Energy Act of 1954 The regulations are co mained in Title 10, Code of Federal Regulations (10 CFR) which is issued pursuant to this Act.
11
Approval of the processes and Itmits involved in the treatment and disposal of radioactive wastes will be a part of the necessary licenses issued by the U. S. Atomic Energy Commission. Application for a utilization facility con-struction permit and licenses was made on August 1, 196L, (AEC Docket No. 50-346) . A description of the liquid radioactive waste system and effluents is included in this report only to present a complete summary of information on all effluents as shown on Figures 12 and 13 under the tab FIGURES.
All radioactive liquid wastes, and all liquid wastes suspected of containing radioactivity, will be processed through liquid radioactive waste treatment systems. There will be two complete and separate systems with one to handle relatively pure water from-the reactor primary system (Clean Radioactive Waste System), and the other to handle wastes from sources that could con-tain larger amounts of nonradioactive impurities (Miscellaneous Radioactive Waste System) . In each system, the wastes are first collected in tanks where they can be monitored for radioactivity and other impurities.
The first waste system is designed to process water from the primary reactor coolant system that has been removed to provide for expansion or to reduce the boron content. This water is passed through a degassifier to remove dissolved gases, through a boron saturated demineralizer (ion exchanger) to remove dissolved impurities and finally through an evaporator system to remove the boron. The resulting water is extremely pure and is placed in storage for reuse or it is released to the collecting basin as indicated en Figure 12.
! The second liquid radioactive waste system processes water from the fuel storage system drains, laboratory, and building drains that could be radio-active. Effluents from these areas, after monitoring, are released directly to the collecting basin, if satisfactory, or are processed through an evaporator and/or demineralizer if treatment is required. After processing and sampling, they are released to the collecting basin or are placed in storage for reuse (see Figure 13) .
In all cases, the liquid effluent from these waste processing systems dis-charged to the lake via the collecting basin is extremely pure and contains only traces of dissolved solids. There can be extremely small amounts of radioactivity in these effluents, but any release of radioactivity will be well within the ILnits prescribed by Part 20 of Title 10 CFR and as low as practicable. -
The concentrated radioactive wastes from the evaporator and demineralizer will be canned and shipped off site for disposal.
3.10 EFFLUENTS TO THE TOUSSAINT RIVER 3.10.1 Method of Entry All effluents to the Toussaint River will discharge first into an existing-ditch along the south boundary of the site. Af ter entering this ditch, the effluent travels a distance of approximately 1 miles before reaching the Toussaint River. This system is shown on the diagram given on Figure 14 at the end of this section under the tab FIGURES. )
12 )
3.10.2 Effluents Discharged 3.10.2.1 Storm Water Drainage System All effluents discharged to the Toussaint River will enter via the storm water drainage system. This system will provide drainage for the buildings and paved areas of the station and it will discharge into the existing ditch along the south boundary of the site. This system is shown on the diagram given on Figure 14 at the end of this section under the tab FIGURES.
3.10.2.2 Miscellaneous Drains Miscellaneous drains from equipment, plant floor drains, etc., will discharge into the storm drainage system as shown on Figure 14. No chemical or oily wastes will be permitted to be discharged in this manner. All such drains will be lake water or system water which is of better quality than lake water.
4 THERMAL PREDICTIONS The combined effluent from the collecting basin shown on Figure 8 at the end of this section under FIGURES will be piped to the Lake Erie shoreline in a relatively large buri.ed pipeline to keep pressure drop to a low value. This pipe will follow tne routing of the intake canal and continue submerged on out into the lake where it will turn easterly away from the intake and con-tinue for about 1,300 feet. The diameter at the outlet of the pipe will be reduced to approximately three feet to provide the restriction necessary to increase the water velocity to about 6.7 feet per second at a flow of 20,000 l j gpm for jet entrainment.
The maximum manthly average heat input to Lake Erie from the Davis-Besse ~
Station occurs during the month of April. Average flow to the lake amounts to 9,220 GPM, at an average temperature above the lake of 190F for a total heat input rate of 88 millions of BTO's/Hr.
The maximum daily average heat input to the lake also occurs during the month of April. Maximum flow to the lake at this time is 13,800 GPM at a temperature of 200F above lake temperature for a total heat input rate of 138 million BTU's/Hr. '
Dr. Pritchard of Johns-Hopkins University has analyzed these discharges to determine the dispersion pattern of the warmed water af ter discharge to the lake and the data presented in tables following are based on his work. The distance traveled, and the area within the various isotherm lines of the thermal plumes corresponding to various temperature levels at the boundary are given on Pages 14 and 15.
The tabulation on Page 14 gives plume sizes thct will exist when the discharge flow is 9,220 gpm and the temperature is 19.loF above the ambient lake tem-perature at the point of outfall. On this basis, total heat input to Lake Erie will amount to 88 million BTU's per hour as shown on Table 7 for the month of April.
13 Rev. 7/19/71 v
The areas shown on the tabulation will hold true for all wind and lake current conditions because the discharge is submerged and full jet entrainment is available since there is no restriction to lake water movement caused by wind or current flow. The plume could be bent somewhat by any lake currents, but its mean length and width would be unchanged.
COMBINED EFFLUENT TO LAKE ERIE FROM COLLECTING BASIN OPERATING FLOW AND TEMPERATURE CONDITIONS WITH MAXIMUM MONTHLY AVERAGE TEMPERATURE RISE-19. loF Areas and Dimensions of Warmed Water Plumes for Various Isotherm Lines Temperature Plume Dimensions-Ft. Area Above Lake Length Width Acres 60F 134 34 .09 50F 169 42 .14 40F 228 57 .26 30F 321 80 .51 20F 481 120 1.14 1F 787 197 3.05 Temperature level above the lake for the major system, contributing heat input to the lake, namely cooling tower blowdown at flows ranging from 7,500 to 10,400 gpm, does not necess.arily follow the temperature of the lake at a fixed increment of temperature above it. This is because the condenser cooling water system is a closed system and its temperature follows the wet bulb and dry bulb temperatures of the air rather than temperature of the lake. Air temperatures are less stable; they fluctuate more rapidly and through a wider range than corresponding lake temperatures do. In addition, the lake warms up much more slowly in the spring than the air does. Conversely, the lake temperature cools down much more slowly in the fall than the air does which brings about even wider variations between discharge water temperature from the closed cooling tower system and that of lake water.
The temperature difference between the lake and the cooling tower system will vary from -5 F in the fall month of September, when the drop in lake tempera-ture lags the drop in the wet and dry bulb temperatures of the air, up to
+300F in the spring month of April when the r.se in lake temperature is lagging the rise in wet and dry bulb temperatures of the air.
Temperature rise of composite effluent to Lake Erie will be Ibnited to 200F above lake temperature and mixing of dilution water, at lake tempera'ture, with the blowdown water from the closed cooling tower circuit will be used whenever
( necessary to accomplish this. For example, in the month of April 9,200 gpm of cooling tower blowdown water at a temperature 300F above lake temperature will be 14 Rev. 7/19/71
reduced to 20 F above lake temperature when it mixes with 4580 gpm of dilution water at lake tempe rature as shown on Table 6 under the tab TABLES.
Combined effluent temperature has also been calculated for the minimum temper-ature rise condition of -5 F for the cooling tower blowdown water and this is given on Table 5 under the tab TABLES. The temperature rise of ef fluent to the lake for this minimum temperature condition is a negative 5 F as given on Table 5 for a day in September.
Plume sizes have been calculated for the maximum temperature difference of 20.0 F that is expected to occur at any time during the operation of th3 plant.
This 20.00F dif ference between the diluted effluent and lake temperatures corresponds to 300F difference between the cooling tower blowdown and the lake temperature without the dilution water added.
These plume sizes are given in the following table:
COMBINED EFFLUENT TO LAKE ERIE FROM COLLECTING BASIN MAXIMUM OPERATING FLOW AND TEMPERATURE CONDITIONS WITH MAXIMUM TEMPERATURE RISE-20.00F Areas and Dimensions of Warmed Water Plumes for Various Isotherm Lines f Temperature Plume Dimensions-Ft. Area l
Above Lake Length Width Acres 60F 142 36 .10 5F 180 45 .16 4F 243 61 .29 3F 343 88 .62 20F 510 128 1.28 1F 840 210 3.48 The above plume sizes apply to 13,800 gpm at the maximum effluent discharge temperature differential of 20.00F. This maximum occurs in the month of April. Corresponding daily maximum differential discharge temperatures for the 11 remaining months of the year are given in the column on the extreme right of Table 8 under the tab TABLES.
With the addition of the cooling tower and the closed system, the maximum length of the 10F plume that will exist in Lake Erie is 840 feet as shown at the bottom of the above table. The extent of this plume of 3.48 acres in area and 840 feet in length is shown on Figure 15 under the tab FIGURES.
l l
1 1
l 15 Rev. 7/19/71
This means that with the cooling tower and the closed system no water out-side the boundary of the small 10F plume colored r.ed will be at a temperature higher than 10F above Lake Erie ambient water temperature .
Corresponding plume information for the open channel type of cooling system without the cooling tower is shown on Figure 16 under the tab FIGURES. The 10F plume size for the open channel once through system shown on this figure would occupy 6,680 acres and would extend outward from the shoreline for a distance of 34,000 feet.
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[ ! DEPTHS IN FEET
-BELOW LUt WATER DATUM FRUE US LAKE SURVEY CHART N0 39
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st Point Toussaint Reef ound Reef INTAKE
$ ATION
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' CONDITIONS-WITH COOLING TOWER CONDENSER COOLING FLOW ~ 460.000 GPM TEMPERATURE RISE IN CLOSED LOOP 26 F EXCESS TEMPERATURE TO LAKE - MAX. 20.0 F DISCHARGE VELOCITf TO L AitE 6.7 FPS '
WIND SPEED 6 MPH 54 F LAKE TEMPERATURE PLUME LENGTH AT 1 F 840 FT. m N ER -g ORT i
- 1. J IOOM S000 0 0 0 20000 30 BOO Y
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685,000 GPM "
CONDENSER COOLING FLOW EXCESS TEMPERATURE TO LAKE 18 F DISCH.ARGE VELOCITY TO LAKE 6.7 FPS 6 MPH WIND SPEED LAKE TEMPERATURE 70 F g\ ~~
N PLUME LENGTH AT 1 F 34,000 FT.
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DAVIS-BESSE NUCLEAR POWER STATION MAXIMUM 1 , 2 AND 5 f ISOTHERMS IN LAKE ERIE WITHOUT COOLING TOWER OPEN LAKE COOLING SYSTEMt FI GU RE 16
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Table 1 NSSS PRINCIPAL DESIGN DATA
- 1. Reactor Coolant System (a Systemheatoutput,MwtandBtu/hr. 2650;9 04 x 109 (b Operating pressure, psig 2185 (c Reactor inlet temperature, OF 557 (d Reactor outlet temperature, OF 608 (e Number of loops 2 (f) Coolant volume (including pressurizer), ft3 11,440 (g) Total reactor flow, gym 352,000
- 2. Reactor Coolant Pumps (a) Number of units 4 (b Design capacity, gpm 88,000 (c Design total developed head, ft. 355 (d Motor rating, Hp 9000 3 Reactor vessel (a) Design pressure, psig 2500 (b) Design temperature, F 650 (c) Inside diameter of shell, in. 171 (d) Outside diameter across nozzles, in. 249 (e) Overall height of vessel and closure head, ft. 39
- 4. Steam Generators (a) Number of units 2 (b) Tube side design pressure, psi ( 2500 (c) Tube side design temperature, 7 65g d) Tube side flow, lb/hr per unit 65.66 x 10' e' Shell side design pressure, psi 1050 f Shell side design temperature, gr 600 Operating pressure, tube side psig 2185 Operating pressure, shell side psig 919 Steam flow lb/hr per unit 5.68 x loo
. (j Feedwater tempersture F E55 (k, Heat transferred, Stu/hr per unit 4.52 x 101 A
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TABLE 2 AVERAGE COMPOSITION OF EXISTING LAKE ERIE WATER AT THE DAVIS-BESSE STATION Calcium (Ca). 45 ppm Magnesium (Mg) 11 "
Sodium (Na) 12 alaride (C1) 22 e 'r "
- 3) 12 Sui ; .. (30 4) 37 Phosphate (PO4) "
1.5 Silica (SiO2) 2 "
P Alkalinity as CACO 3 6 M.0. Alkalinity as CACO 3 101 "
Total Hardness as CACO 3 154 "
pH 8.1 Suspended Solids 13 1 ppm Dissolved Solids 225 "
Dissolved Oxygen 10 "
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Based on a mathematical average of Samples from November, 1968 to October, 1970 and Analyzed by The Toledo Edison Company. Samples were taken 50 to 100 feet from shore.
l Rev. 7/7/71
TABLE 3 STATION SYSTEM EFFLUENTS AND COMBINED EFFLUENT TO LAKE ERIE FROM COLLECTING BASIN
, Minimum Monthly Average Operating Flow and Temperature Rise Conditions-Month of September Type Avg. Diss. Avg. F Heat of Flow Solids Diss. O Above Input /Hr.
Effluent Stream Flow (gpm) Ph (ppm) (ppm) Lake BTU x 10D
- 1. Blowdown from Closed Condenser Cooling Water System Cont, 10,000 7.3 478(1) 9. l(2) 5 25
- 2. Dilution Water System Flow As Req'd. 0(3) - - - -
0
- 3. Neutralized Regenerant Waste Avg . /Mo. 9 7.0 6,655 3 0 0 from Make-up Demineralizers once/Wk. (200)' " " " " "
- 4. Pumped Effluents from Settling Basin (1) Filter Clarifiers Backwash Effluent Cont. 5 10.0 225 7 0 0 (2) Condensate Demin. Avg./Mo. 2 7.0 NIL NIL 0 0 Backwash Effluent Once/Mo. (125) " " " " "
- 5. Processed Ef fluents from Avg./Mo. 2 7.0 50 NIL 0 0 Nuclear Area Once/Wk. " " " " "
(140)
! 6. Sewage Treatment Plant Ef fluent Avg./Mo. 2 7.6 180 NIL 0 0 Inter. (30) " "
Average Combined Effluent from Collecting Basin to the Lake 10,020 7.3 478 8.9 5.0 25 One Hour Peak Combined Effluent Flow from Collecting Basin to the Lake (10,500) (7.3) (591) (8.8) (4. 8) (25)
(1) Based on average lake water composition give in Table 2.
(2) Basei on 1007 oxygen saturation at cooling tower operating temperature.
(3) Dilution water flow is based on the quantity required to limit the combined ef fluent discharge temperature, to Lake Erie, to 200F. The blowdown temperature rise never reaches 200F in September and this is the reason why dilution water flow is indicated as zero.
Rev. 7/7/71
TABLE 4 STATION SYSTEM EFFLUENTS AND COMBINED EFFLUENT TO LAKE ERIE FROM COLLECTING BASIN Maximum Monthly Average Operating Flow and Temperature Rise Conditions-Month of April Type Avg. Diss. Avg. F - tieat of Flow Solids Diss. 02 Above Input /llr.
Effluent Stream Flow (gpm) Ph, (ppm) (ppm) Lake BTU x 10 6
- 1. Blowdown from Closed Condenser Cooling Water System Cont. 9,200 7.3 478(I) 7.9(2) 19 88
- 2. Dilution Water System Flow As Req'd. 0(3) - - - -
0
- 3. Neutralized Regenerant Waste Avg./Mo. 9 7.0 6,655 3 0 0 from Make-up Demineralizers Once/Wk. (200) " " " " "
- 4. Pumped Effluents from Settling Basin (1) Filter Clarifiers Backwash Effluent Cont. 5 10.0 225 7 0 0 (2) Condensate Demin. Avg./Mo. 2 7.0 NIL NIL 0 0-Backwash Effluent once/Mo. (125) " " " " "
- 5. Processed Effluents from Avg./Mo. 2 7.0 50 NIL 0 0 Nuclear Area Once/Wk, (140) " " " " "
- 6. Sewage Treatment Plant Effluent Avg./Mo. 2 7.6 180 NIL 0 0 Inter. (30) "
Average Combined Effluent from Collecting Basin to the Lake 9,220 7.3 478 7.8 19.1 88 Our llour Peak Combined Effluent Flow from Collectirg Basin to the Lake (9,700) (7. 3) (597) (7. 6) (18.1) (88)
(1) Based on average lake water composition give in Table 2. -
(2) Based on 1007. oxygen saturation at cooling tower operating temper ture.
(3) See Note (1) on Table 7.
Rev. 7/7/71
TABLE 5 STATION SYSTEM EFFLUENTS AND COMBINED EFFLUENT TO LAKE ERIE FROM COLLECTING BASIN Minimum Operating Flow and Temperature Rise Conditions-A September _ Day Type Avg. Diss. Avg. F lleat of Flow Solids Diss. O Above In put /llr.
Effluent Stream Flow (gpm) Ph (ppm) (ppm) Lake BTU x 106
- 1. Blowdown from Closed Condenser Cooling Water System Cont, 10,000 7.3 478(l) 9.1(2) -5 -25
- 2. Dilution Water System Flow As Req'd. 0(3) - - - -
0
- 3. Neutralized Regenerant Waste Avg./Mo. 9 70 6,655 3 0 0 from Make-up Demineralizers Once/Wk. (200)
- 4. Pumped Effluents from Settling Basin (1) Filter Clarifiers Backwash Effluent Cont. 5 10.0 225 7 0 0 (2) Condensate Demin. Avg./Mo. 2 7.0 NIL NIL 0 0 Backwash Effluent Once/Mo. (125)
- 5. Processed Effluents from Avg./Mo. 2 7.0 50 NIL 0 .0 Nuclear Area Once/Wk. (140) " " " " "
- 6. Sewage Treatment Plant Effluent Avg./Mo. 2 7.6 180 NIL 0 0 Inter. (30) " "
Average Combined Effluent from Collecting Basin to the Lake 10,020 7.3 478 8.9 -5.0 -25 One llour Peak Combined Effluent Flow from Collecting Basin to the Lake (10,500) (7.3) (591) (8. 8) -(4. 8) -(25)
(1) Based on average lake water composition give in Table 2.
(2) Based on 1007. oxygen saturation at cooling tower operating temperature.
(3) Dilution water flow is based en the quantity required to limit the combined effluent discnarge tem,erature, to Lake Erie, to 200F. The blowdown temperature rise never reaches 200F in September and this is the reason why dilution water flow is indicated as zero.
Rev. 7/7/71
TABLE 6 STATION SYSTD1 EFFLUENTS AND COMBINED EFFLUENT TO LAKE ERIE FROM COLLECTING BASIN Maximum Operating Flow and Temperature Rise Conditions-An April fay (p Type Avg. Diss. Avg. F lleat of Flow Solids Diss. 02 Above Input /llr g Effluent Stream Flow (gpm). Ph (ppm) (ppm) Lake BTU x 10
- 1. Blowdown from Closed Condenser Cooling Water System Cor.t . 9,200 7.3 478(l) 7. 9 (2) 30 138
- 2. Dilution Water System Flow As Reg'd. 4580(3) 8.1(1) 225(1) 10.7 0(3) 0
- 3. Neutralized Regenerant Waste Avg./Mo. 9 7.0 6,655 3 0 -
O from Make-up Demineralizers " " " " "
Once/Wk. (200)
- 4. Pumped Effluents from Settling Basin (1) Filter Clarifiers Backwash Effluent C . .. t . .
5 10.0 225 7 0 0 (2) Condensate Demin. Avg./Mo. 2 7.0 NIL NIL 0 0 Backwash Effluent Once/Mo. (125)
- 5. Processed Effluents from ' Avg./Mo. 2 7.0 50 NIL 0 0 Nuclear Area Once/Wk, " " " " "
(140)
- 6. Sewage Treatment Plant Ef fluent Avg . /Mo . 2 7.6 180 NIL 0 0 Inter. " " " " "
(301 Average Combined Ef fluent from Collecting Basin to the Lake 13,800 7.6 395 8.7 20.0 138 Our llour Peak Combined Ef fluent Flow from Collecting Basin to the Lake (14,280) (7. 6), (478) -(b.6) (20.0) (138);
(1) Based on average lake uater composition give in Table 2.
(2) Based on 1007. oxygen saturation at cooling tower operating temperature.
(3) See Note (1) on Table 7.
Rev. 7/7/71
r I
l COOL E
Average Temperat Cooling Tower Blowdown Average Conditions Temp. Rise Flow Above Lake OF GPM January 11 7500 February 17 8200 March 16 8500 April 19 9200 May 15 10000 June 14 10000 July 12 10400 August 10 10400 Se ptemter 5 10000 October 17 9500 November 17 9000 December 18 8000 (1) Dilution water flow is based on the quant-to 20 F in all cases where it would be abi is never above 200F and this is the reaso:
in actuality dilution water is required,<
september, to maintain discharge water tei The integrated quantity of dilution water
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TABLE 7 7' AVIS-BESSE NUCLEAR POWER STATION
[NG TOWER BIIMDOWN AND OTilER EFFLUENT DATA ambined Discharge to Lake Erie by Months are Rise above Lake and Average Heat Input to Lake Erie Other Effluent Flows Combined Discharge to Lake Erie To Lake Erie-GPM Monthly Average Conditions Prscess Dilution Flow Ileat Ingut Temperature Rise
& Miscel. (1) Water GPM BTUx10 Above Lake OF 20 0 7,520 42 11.2 20 0 8,220 70 17.0 20 0 8,520 68 16.0 20 0 9,220 88 19.1 20 0 10,020 75 15.0 20 0 10,020 70 14.0 20 0 10,420 63 12.1 20 0 10,420 52 10.0 20 0 10,020 25 5.0 20 0 9,520 81 17.0 20 0 9,020 77 17.1 20 0 8,020 73 18.2
.ty required to limit the maximum combined effluent discharge temperature, to Lake Erie, ive 200F without this added flow. On an average monthly basis the blowdown temperature i why dilution water flow is indicated as zero for all months.
luring adverse weather conditions on some days of all months, except July, August and kpercture to the lake below 20 F with maximum dilution flows as givan in Table 8.
for ecch month would require extensive work to calculate and this analysic: has not been made.
1 Rev.
7/7/{1
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6 P
1 COOL
-d i.
Maximum Tempera i
- Cooling Tower Blowdown Maximum Conditions i Temp. Rise Flow Above Lake OF GPM
[..
January 29 7500 I
4 February 25 8200 1 ~
March 23 8500 April 30 9200 3
May 23 10000 1
June 22 10000
'. ;i July 20 10400 August 14 10400 i
September 14 10000 i.
' October 23 9500 i November 30 9000 i
December 30 8000 fi I
i (1) Dilution water flow is based on the quant:
! to 200 in all cases where it would be abo,
') August and September because maximum disci i
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TABLE 3 DAVIS-BESSE NUCLEAR POWER STATION ING TOWER BLOWDOWN AND OTHER EFFLUENT DATA ,
ombined Discharge to Lake Erie by Months ture Rise above Lake and Total Heat Input to Lake Erie Other Effluent Flows Combined Discharge to Lake Erie To Lake Erie-GPM Maximum Temperature Rise Conditions Process Dilution Flow Heat Input Temperature Rise
& Miscel. (1) Water GPM BTUx106 Above Lake OF 20 4080 11,600 116 20.0 20 2780 11,000 110 20.0 20 1980 10,500 105 20.0 20 4580 13,800 138 20.0 20 1480 11,500 115 20.0 20 980 11,000 110 20.0 20 0 10,420 104 20.0 20 0 10,420 73 14.0 20 0 10,020 70- 14.0 20 2080 11,600 116 20.0 20 4480 13,500 135 20.0 20 4680 12,700 127 20.0
.ty required to limit the maximum combined ef fluent discharge temperature to Lake Erie, te 200 without this added flow. Dilution water flow is zero during the months of July, izrge temperature to_the lake is less than 200F without it.
Rev. 7/7/7
! APPlmDzz 3
(
. agSggggggg WlEE/S , Tne Ohio Water Pollution Control Board is e.: powered by lire to develop programs for the prevention , control, cnd abctenant of new or existing pollution of the waters of the state; and WIEE/S , The Board is empcr. ered by law to encourage , participate in , or conduct a tudies , inves ticaticas , research , and demor.3 trc'. ions relating to water pollution, and the causes , prevention, control, and abatement thereof; and VIEEAS , Curmnt federal and state certificatica requirements , when coupled with rapid technological advances and implementation, necessitai.e a 14162 d% tee ut t,ed.alcal expc.rtisc cn the pr.rt of the Board cnd supporting state depart::nnts ; and WlIEEEAS. It is the opinion of the Board that such technicaJ. expertise can often be most efficiently, cconomically, and expediti oucV provided by sources outside of state government; and Wl E E /.S , It is the opinion of the Board that the increased financial burden upon the state ' necessitated by the afomncaticned circumstances should properly be borne in large measure by the applicant; and WHEE /S , It is the opinion of the Board that Willica B. Iiyo, os a nec:ber of this Board and es Director of the Ecpartment of liatural Resources should coordinate and effectuate a program vhereby the applic:.nt, in iratances stWing technical expertise not
, then currently possessed by the state, bear in large caesure the financial burden upon the state in acquirinc such technical I
expertise ;
! iW. THERETORE , We the menbers of the Water Pollution Control Bonrd of the 1 State of Ohio, rur;ularly csse:.: bled this 16th dcy of Cetober, i 1971, do heroby direct that William B. liyc cs a vcaber of this Board and cs the Director of the Department, of iintured Pauw us ,
' under circumstances hercinbeforv set forth in this resolution, be empoaczud to enter into contractual arrancements desi(,,wd to provide the Board with technical expertiac not then currenth a
e APPENDIX 3 -2253-
- [ >
poccessed by the stato, and that the coat of auch arrangement
, i ,
chall be borre in large ransure by the applicant.
j ,
By Order of the Board.
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Motion seconded by Mr. Holt. After lengthy discussion the motion was
, agreed to unanimously. 3 8
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APPENDIX 4
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- w.q JoHf4 J. GIL LicAN Q: m O >. Mr WILLI Ar.1 n. fJYC covent;oa 45 W ointcwn STATE OF OHIO
/
(. DEPACTEAENT OF NATURAL RESCURCES OHIO DEI 8ARTMENTS !!UILDING COLUMBUS 43215 <
FOR REIE.SSE: Sunday, Decc bcr 5.1971 Governor John J. Gilli an G announced today that an acsecc=ent of the total impact of Ohio's first two proposed nuclear power plants has been ordered by, the Depart = nt of Natural Recources.
The ana.lycic vill be perforced by the Columbun Inboratories of Battelle Me=orial Institute under contract to the Natural Resoureca Department, Governor Gimgan said.
Cost of the work, to be cc=pleted in phases over a seven-conth period, is$53,000.
"*he electr.ic utility ec=panies that vant to build these two plants have centributed $50,000 to assist the Natural Reccurce: Department in paying for it," Governcr Gillig .n caid. "In this recpect, I think they are perhaps shoving a significant concern for the envire==ent.
"They certain2y are showdog greater environ = ental concern than our State Legic2nture, which han donc nothing on an Mministration bill uhich would =ake =acdctory action such as the di21 tie cad the Natural Resources Department are taking voluntarily in thic inctance."
The bill vould require that ut121 ties proposing to build a nuc2 car power
, plant pay a $25,000 fee to the state, with tbo toney coing for a study of the p2 ant's environ =cntal icpact and the cuitability of the proposed site. It has not cycn teen accisned to coc':lttee, Governor Gilligan said.
! -more. .
l'CnCOTAV AND 84CCLAMATION # GCOLOGICAL SUHVCY
- LANDS AND SolL
- OIL AND CAS
' PAR 34 /J40 RCCnCATION e 50sL Atdts WM EH DISTHICTS *
- WATE R WATCnCRAFT
- WILDLIFC
_ APPENDIX _4 -
Nuclear Power Planta-2 Natural Focourceo Director U1111cm D. Uyc said $25,000 of the conf,ribu-tion referred to by Governor Gil'dcen ic being provided by Toledo Edicen Cc=p:Ly and Cleveland Electric Ill-*- ting Cc:pany, which jcictly are building cnd plan to operate the 872,000-hilowatt Davis-Becce Nuclear Pouer Station on Inte Erie about eight miles vect of Port Clinton. The initial phase of the construction was authoriced by the fedcral Abomic Energy-
. Comiccion before federal lav required any state approval.
Another $25,000 ic being provided by the three utilities proposing to
,N conctruct end operate the 810,CCO-kilowatt W4114n H. Z.'.==cr Nuc1 car Power Station on the Ohio River in Cler=ont County, Nye said. They are Cincinnati Gac & Electric Cc=pany, Colu= bus & Southern Ohio Electrac Co=pany and Dayton Power & Light Cc=pany.~
"The Battelle-Colu= bus acaecenent vill cover net caly the envirc-antal -
impacts of ther=al and other diccharges from the Davis-Besse and '74-or plants," Governor Gilligan caid, "but also the plants' social impacts.
"These include their effects on aesthetic values, on nearby recreational activities cud on the hu=an intercat aspectc of the environnent which da turn affect our enjoy =c=t of lifc."
Nye said where the study chova that the present ' design of a p2cnt system or procedure vould cause an environ = ental or cocial probics, the ctudy also vill review the potential effects of alternatives at that cite.
"An alternatives to once-through cooling of a power plant's condencerc, which might cause ther=al pollution, for exa=ple, the analysis vould look at recycle cco" 5, invciving tha usa of pcnic or natural vr furced-drufi, coulius tovero," Hye explained.
-more-
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