5RC DISTRIBUTION FOR PART 50 DOCKET MATERIAL(TEMPORARY FORM)
0
F I LE. ZDvtro
FROM: Tennessee Valley Auth.Chattanooga, Tenn.J E Oilleland
DATE OF DOC
5"3o-75
DATE REC'D
6-5-75
LTR TWX RPT OTHER
TQ:'ir. A. Oiambusso
CLASS UNCLASS PROPINFQKQGK
ORIG
3 signedINPUT
CC OTHER
NO CYS REC'D
I!.0
SENT NRC PDR XQZ=SENT LOCAL PDR
DOCKET NO:
50-259 0
DESCR IPTION: Ltr notarized 5-30-75, request-ing proposed changes th the Envtro Tech Specs" '"' ';„L',; „)i'lt;qf~rJ!
Reasons and - Justifications forproposing the changes. "Revised pages for tech spec change. ~ ~
arith regards to Envtro Monitoring Programs ~ ~
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PLANT NAME: Brogans Perry'nits 1 IIB 2
40 copies encl rec'd
FOR ACTION/INFORM!ATION vt;m 6-5-75BUTLER (L)
W/ CopiesCLARK (L)
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Mr. A. Giambusso, DirectorDivision of Reactor LicensingU.S. Nuclear Regulatory CommissionVashington, DC 20555
Mall Sadly
TENNESSEE VALLEYAUTHQI=IITY~%CHATTANQQGAs TENNESSEE3740'I
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(Q ANNIVERSARYQF PEQPI E INPARTNERSHIP
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U. S. HUilfhR MGUIATORY 8COMM I SS IO7I
Dear Hr. Giambusso:
In the Hatter of theTennessee Valley Authority
) 'ocket Nos. 50-259) 50-260
In accordance with the provisions of'0 CFR Part 50.90, we aresubmitting herewith certain proposed changes to the Browns FerryNuclear Plant Units l and. 2 Environmental Technical Specifications
„(Appendix B to Facility Operating Licenses DPR-33 and. DPR-52).Also submitted herewith are the reasons and, Justifications forproposing the changes.
These proposed, changes have been discussed with representativesof your staff and include their comments.
Very truly yours,
TENNESSEE VAJZZY AUTHORITY
Z. E. Gilleland.Assistant Manager of Power
Subscribed and sworn to before;j»i this gr~P~y of ~>t> 1975
/ i~./7ary Public
lg 'commission expires 6 d
EnclosuresCC: See page 2.
Qiambusso MAY 30 'l975
CC: Mr. Mark L. Au (ihclosures)Nuclear Regulatory Commission5650 Nicholson LaneWashington, DC 20555
CHEMICAL (continued)
2.2.3 Chlorine Monitorin Requirement
~0b ective
Control of the use of the chlorine asa biocide in the auxiliary raw cool-ing vater system is exercised, to assurethat discharge to the receiving streamis below levels vhich could be harmfulto aquatic biota.
S ecification
The residual chlorine in the auxiliaryraw cooling vater system shall be sampledveekly during periods when the raw cool-ing vater systems are being chlorinatedexcept as noted in section 4.1.3. Con-centration in the main condenser coolingvater discharge will be computed. usingmeasured concentration and condensercooling water and auxiliary rav coolingvater flows.
A total chlorine residual of 0.05 mg/1shall not be exceeded. at the dischargeof the main condenser cooling water tothe river due to chlorination of theauxiliary raw cooling water system. Ifa total chlorine residual of 0.05 mg/1is exceeded at the discharge of themain condenser cooling vater to theriver due to chlorination of the auxiliaryraw cooling water system, the chlorinefeed shall be immediately discontinuedand. not resumed until the feed rate has
:been reduced. and the calibration of thefeed. equipment checked,.
As an alternate, the concentration in thecondenser circulating water may be deter-mined directly on a weekly basis, elimina-ting the need. for raw cooling watersampling or condenser cooling water flowdetermination.
All analyses will be performed by plantpersonnel using standard analytical pro-cedures for the determination of residualchlorine. The procedure used shall beone vhich has been approved. by the
. Environmental Protection Agency for thispurpose. Surveillance instructions andrecords vill be kept on file in the plant.
Bases
Chlorine is to be used. as a biocide f'r the control of Asiatic clams in the auxiliaryraw cooling water system. It is expected that the use of chlorine for this purposewill be required only during the early and late stages of the spawning periods ofAsiatic clams. The raw cooling water to be treated. will be discharged. to the maincondenser cooling water system. Operating experience has shown that the reservoirvater has a chlorine demand. of about 0.5 mg/1. Due to the relative flow of thecondenser cooling vater and the auxiliary raw cooling water systems (approximately20:1) and. the chlorine demand of the diluted. stream, it is expected that the chlorineresidual will react sufficiently such that o~ chlorides will be discharged. Theflow in the main condenser cooling water system villbe determined from the designcharacteristics of the main condenser circulating vater pumps operating duringchlorination periods.
Revised May 1975
-19-
Monitoring will be performed, by the Division of Forestry, Fisheries, and Wildlife Develop-ment using standard accepted sampling procedures on file in this division's office, Iforris,Tennessee.
Re ortin Re uirement
The results will be summarized annually in one of the semiannual reports of the nonradio-logical monitoring programs.
Bases
A significant proportion of the river flow will be routed through the plant for coolingpurposes, and. during periods when larval fishes are abundant there is the potential forentrainment of large numbers of fishes.
The specified study will determine the numbers of fish eggs and. larvae entrained. in thecooling water system resu1ting from plant operation and identify the need. for possiblecorrective action.
(f) Fish Im in~ement on intake Screens
~0b ective
To detect and quantify fish impingement upon the intake screens.
Fish impinged. on intake screens shall be estimated three times per week with no longerthan 3 days elapsing between observations. Those fish impinged on one selected screenwhich has been in operation over the preceding 24 hours shall be collected. during screenwashing and classified. as: 1) shad, and herring, 2) catfish, 3} bass (largemouth, smallmouth,and spotted bass), 4) crappie, 5) sunfish, 6) drum, and. 7) other species. Total dailyimpingement will be estimated. for all screens in operation by applying an appropriate"weighting factor" to the data from the selected screen.
The screen selection and. "weighting factor" shall be evaluated bimonthly; the evaluationprogram shall consist of counting the impinged fish on each of the twelve screens for 2 daysand differentiation by species and by 25mm length-class intervals. The 2-day evaluationmay be substituted for the regular week~ monitoring.
Re ortin Requirements
Five copies of a monthly report to be prepared by TVA's Division of Power Production incoordination with the Division of Power Resource Planning shall be submitted. to the USAECDivision of Reactor Projects within 15 days following the end. of each calendar month.The report shall include tabulated impingement data, bimonthly evaluation of screen"weighting factor" when applicaole, and, summary of any specific studies or investigationswhich TVA is conducting to evaluate the significance of impingement losses or techniquesfor reducing significant losses. A copy will be sent to TVA's Division of Forestry,Fisheries, and Wildlife Development for review and. assessment. Results of FFWD's reviewand assessment will be sent to the Division of Environmental Planning for inclusion inthe semiannual operating report.
Bases
Quantification of impinged fish upon the intake screens will provide an assessment of fishlosses from normal plant operation and identify the need for possible corrective action.
Revised May 1975
-'19a-
4.1.3 S ecial Studies
Ob ective
To demonstrate the adequacy of weekly sampling of chlorine residual duringchlorination of the auxiliary raw cooling water systems by demonstrating thatchlorine residual in auxiliary raw cooling water (RCW) systems remains relativelyconstant during chlorination.
S ecification
TVA will perform special studies during the first 'two periods (including a springand a fall period) of chlorination of the RCV systems following March 197$ , whichare of at least 3-weeks'uration. During the special studies period wnen theRCW systems are being chlorinated, samples will be taken daiQ from the RCN systemsand analyzed for chlorine residual. Records of the daily sampling and analyseswill be maintained. and submitted to the NRC staff for their review following theend of the special study period. ~ Chlorine feed rate and equivalent RC'~T concen-tration will be reported for the special studies period.
Sampling during the special study period. will be considered to satisfy the monitor-ing requirements of section 2.2.3 of the environmental technical specification.
4.2 Radiolo ical Environmental Monitorin
Details of Browns Ferry Nuclear Plant radiological environmental monitoring isgiven in "Technical Specification and Bases for Browns Ferry Nuclear Plant,Units 1 and 2."
Revised May 1975
Table 3.1.3-1
Sources of Added. Chemicals snd,Resulting End Product Chemicals
S stem
ChemicalAdded
Source Chemical
Maximuma
Annual Uselbs
Waste EndProduct
Chemical
Maximum ResultingEnd Product
Annual Mean Dailylbs lbs
Makeup Water TreatmentPlant
AlumA12(S04)3 18 H20 15,800 Al(OH)
S04
Suspended. solids b,c
3,700
6,800
13,500
Makeup waterTreatment PlantDemineralizerRegeneration
Auxiliary SteamGeneratorBlowdown
Raw cooling waterSystem
Soda Ash Na2 C03(100$ )
SodiumHypochloriteNaOC1 (215 Solution)
Coagulation Aid
Sulfuric Acid 985
Sodium Hydroxide(50$ )
Ammonia
Hydrazine
Chlorine
7,900
32950
590
270,000
205,000
Variable d.
Variable
Variable
Na
Na
OC1
Cosg. Aidb
S04
Na
NH3
OCl snd Cl
3,400
260
570
590
259,000 ~710
59,000 ~160
0 4 '40.001
Variable 1,620] Revised
a. Based. on 24-hour operation 365 days/year at demonstrated maximum capacity of equipment.b. Suspended materials that will make up the water treatment plant sludge, on a dry weight basis.c. Estimates from suspended solids data observed at TRM 300.3.d. Ammonia will be added as needed. to keep pH of system at 9.0.e. Hydrazine will be added as needed as a DO scavenger.
] Revised
Revised May 1975
~ ) ~
e
~Chan e
On page 6, section 2.2.3 has been changed in several places to make itclear that the auxiliary raw cooling water system is the system that is
being chlorinated and that the specification applies to the chlorine
residual resulting from this chlorination. Under "Specification," the
value 0.2 has been changed to 0.0$ to reflect the use of chlorination
on a continuous basis. Under "Monitoring Requirement" changes have been
made to ensure that ana~ical procedures comply with methods recognized by
the Environmental Protection Agency and to incorporate a speqial study of
chlorine residual during chlorination to be used to demonstrate the
adequacy of weekly sampling. Under "Bases" changes were made to reflect
continuous chlorination during the spawning periods of Asiatic clams and
to indicate that the flow will be determined. from the design characteristics
of the water pumps.
On page 19, section 4.2 has been moved to page 19a, so that a new section
4.1.3 can be added to describe a special study to be performed to demonstrate
the adequacy of weekly sampling of chlorine residual.
On page 24, Table 3.1.3-1 has been changed. to make the table consistent
with other changes.
Basis for Chan e
In order to adequately control Asiatic clams in the auxiliary raw cooling
water systems by chlorination, continuous treatment is required at the
leg \
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beginning of'the spawning period in the spring and at the end of the
spawning period. in the fall. In order for chlorination to be effectiveas a biocide for clam control chlorination is necessary over an extended
period of time. The frequency and duration of the chlorination periods
described in both the Browns Ferry Final Environmental Statement and, the
existing technical specifications are incorrect.
Since an assessment of continuous chlorination indicates that 0.05 mg/1 ofresidual chlorine is more appropriate as a limit than 0.2 mg/1, the specifica-tion has been changed. accordingly. Also, since the assessment has been
made on the basis of continuous chlorination, discussions of chlorination
period. durations in the technical specifications are unnecessary and have
,been 'deleted.
Several changes were made to better define the procedure to be used. and,
to incorporate a study to demonstrate that a weekly sampling interval isadequate. Other changes were made for editorial clarity.
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