ML20037B732
| ML20037B732 | |
| Person / Time | |
|---|---|
| Site: | Zimmer |
| Issue date: | 10/15/1980 |
| From: | Office of Nuclear Reactor Regulation |
| To: | |
| Shared Package | |
| ML19291C944 | List: |
| References | |
| NUDOCS 8011170190 | |
| Download: ML20037B732 (32) | |
Text
..
O AGENDA 10/15/80 NRC/CGE MEETING UPDATE ZLTER POWER STATION SFRVICE WATER SYSTEM l
i 1.
BRIEF S17 MARY PREV 10tlS MFFTING:
i l
I 2.
IFDATE STATUS:
A.
SILT REMOVAL & PREVENTION PROGRAM B.
PtNW FLOW CONTROL SYSTEM I
i i
l 3.
AFDRFSS NRC GIFSTIONS:
l A.
ASKED VERBALLY AT LAST MEETING s.
sENT FORMALLY 7/15/80 LETTER 4.
MRC FFFDEACX:
8011170
/70
Cocut4C. TOWER (2)
MAKE-UP'.~. POMPS A
.A 1
_6ERMcE WATER I
c
.~_ PUMP S (4)
- i. +p
=
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._MMCE MATER,
_ ~ 180MP $TRUCTURE '
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' TRAVEUW&_SsC.REENS(4}
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~ DCA'Ttop4 eF TRAh4600CERS
-I '.:,T.s l'
1.
l n.AtcuT or unnes rwns 1
j AND SEP/tCE WATER PUMP STR.
l STUDY i i /
~LIMMER BMTAKE SEDTMENTATioM
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m SERVICE WATER LNTAKE STRUCTURE I
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SERVICE WATER FtBIPS (4)
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mass var.vEs m Ass 7A:.vss f
scu-assz m AL mes-ne ECM-E3333T E* FLANT LGALS N TO CECQ IIVZ2
SIM%RY U2V30 EETING f
EITI E ETER sr3Ita la M
MLLeitHer CD MTerTIAL 50.55E TEMS 1
A.
SELT m - MAINT. ITEM 5.
Per DrgLLat-- MODIFtCAT!cus REQUIRED l
2.
B l"S I K t Tri' R 151 &
A.
SILT W ILJMir E2WBCE Of SILT f
AMDWIT SILT OWECTED i
IMACT Cut PUJET SILT DETECTICII PLANS PLANS TO PREVENT $1LT BUILD-tJP EDZ2LI3 IE PUMP BAY MEDGING IN IMTAKE STRUCT1JRE 5.
PWW IMPvtirm (prERVIBf 0F SERVICE MATER 31JTEM IEDIANISRS OF PWW V!BRATICM M3r I N DESIGN MIN. PLDef COIETIICL SYSTEM OPERATICII QF IIEN PWtf FLOW CONTROL 15/30 P
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MIE ME ST3It"t 3.
CDELIE135:
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SILT EUILD-UE*.
s.)
M3T 54.53e - MA.DfT. IT50 l
b.)
RIN m"5 FUT3NTID:
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l 1.
N STrTEst 2.
-==ytse nr i'
3.
- Iz mst sTsutTJaE c.)
DGEEESTRATE IT OF1 RATION j
h PWF DIEF1LER a.)
IS 54.55e -- MI71 CATIONS 11QUTarn b.)
W DFFLLm M EE INSTALLED c.)
MIE. FLOIf ST31BE5 TU BI ADDED l
d.)
RE-CCCURAJEC2 PEITENTED 4.
CINtITMNTS:
A.
INVE3TICAT1' IMPACT DREDGING 3.
08T112 EPA AND/OS CORPS 00ED51E* Wins APPROVAL C.
PtfFARd P4MMAL REPQftT FOR MC h
mtFT TE38. SFTC. ET JULY,1931 E.
SSWESTRATE SILT REMOYAL l
- .--.~.
- ~...,
MFE410/15/30 K /CEE MEETIMi IFINTE IINER PCWER STAT 10ft 91PHg WATG inIm i
1.
RIEF N 8tEVIOUS METTE t
i l
i 2.
MTE 6.t,.
A-SILT REMOVAL & P9F,YDETICIB Mt0GRM j
s.
MosP FLOW CONTMOL SYSTUt r
l t
3.
AMMESS E EEITICits; A.
ASEIS VERSALLY AT LAST PEETIME s.
serr Musuuv 7/15/30 uTTa 1
l 4.
et EEBACE 1
l
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SIATUSIJPDATE 10/15/30 lETIE SERIE RTISY5IEM 1.
1117 WHM N= note MfYRY AS PUUSIFh l
A.
IsrTraL su!LD-cr aer meewn l
E.
ERE2 LEE & PlPlas BEIns Inst 3AIJD l
- c. amensius seu!PMort nEIns ptEPettD l
start cretaTion novecem I
a.
sesssIns study ConrLETY IS IMACT ANTICIPATED l.
E.
-mNF EPA 8 CDst? MCIIVED F.
RWWhL istc REPORT IIDVUesR,15 s.
Troe. SPEC MODIFICAT!GES Jut.Y, 1931 l
l l
2.
RN LTF11FR - PROCFDING WMIVRY AS PUJuB%
(
A.
M18 IJFELLER DESIGMED B.
IE58 IMELLER SHOP TESTED C.
CDNTROL VALVES DELIVERED 3.
EXPtcT TO DOONSTRATE oriutAT!cM 3.
12ELUSIE.
I Anow w!u. mEscovE noTu naTTEns WM l
AdiOEA 10/15/30 ElC/CSE M ETIlE LPGATE IINER PWER STATION SFilVIG MTR injm 1.
MIFF C8NWEY REV10tlS PFFTIE 2.
IFDATE STAT E A.
SILT REMOVAL & PREVENTICM PROGRAM 3.
P4BF FLOW CONTROL SYSTEM l
5.
m -armnas-A.
he VUSALLY AT LAST METING s.
serr roannu.y 7/I5/30 Lrria 4.
KFEEEL m
r,
RESPONSE
NIC EJESTIONS FE Y 15, li3RM LETTE11 1.
af5IIIE ATTACHMENT A
--as.=T POR ADDITICMAL INFORMATION in the 5sytember, IMt update report, please provide the islissing informaties:
1)
A sesamment am the===d fee permits from We, Eestackr, mad /or the 5.5. Azury Cerys haineers for discharge as the viver of silt runsved from the fi===r intake flame IncInde.csyies of correspondence on this med,
f 4.
matter berness CGEE ami the various agencies involved.
- 2) A analysis of the probable impact to river biota from i
Mach =ege of silt enring the initial removal and during W 1ang term ressemi and discharge.
Blace silt doyesitaamin Ge intahm is predicted to be heaviest during the late winter and spring, provide a discussion of the kmyoct of silt. d.ischarge to newly syswned i
fishes (eggs sud Imrvee).
2.
AEME:
A.
INITIAL CLEAMOUT l
a.)
DETAILID STUDY MADE -- NO IMPACT l
b.)
0FIRATION NEW COMPLETE B.
tIRtFQUENT N F2?NT a.)
EPA 4 CORPS CONTACTED b.)
Bier *Anc8 IU ELDIE EASIM
--- Already Approved c.)
WILL MEET BASIE DISCHARGE LIMITS
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t
RESPONSE
EIC QUESTIONS W1Eull E/24130, FTTING 1.
Q.
BASIS FOR 10NTHLY SILT BUILD-UP RATES A.
I='imen rm ameen susntTTAL l
2.
G.
PREICM. EtADAT105 TRtLitD A.
INCLIJDED IN NOVEMBER SUBMITTAL i
l l
3.
G.
STAIN AGREEMENT VARI 0ts MITilCRITIES A.
DOIE g DISCHARGE INTO RIVER WILL NOT EFFECT RIVER 4.
S.
A.
BI N IS TO BASIN MOT R!YER BASIN ALREADY N
WILL M ET Bt. SIN LIMITS l
5.
G.
BTET (F SILT IN PtfF A.
- W CDItTACTED - 20 PROGLS EXPECTED W PMKDun BICDMETEEG PefVIOUS EXPERIENCE WILL BE TEXTM AS PMT SILT PEVEBTION DEMONSTRATION VIMAT10FI PRMES 1 1SI Ptomen E15/30
N mt QtESTIONS Waut Entuto M E 6.
Q.
UIEVU SETTLING IKTAKE DUE TO UIEVEN SILT DEPOSITION A.
SILT ACOMA.ATION BEING PREVUETED
?.
G.
ASSME SEISMIC EYST WILL ET Eng.T SWJT DOWN ABILITf BE 10 EiZZ1I PIPDIS SWECW FAILING AMD DA* AGING ESSENTI l
BEIPMENT A.
Asf N0ZZLE PIPING M4!CM CDULD EFFECT ESSENTIAL E90!* MENT l
l 13 M51GNED FOR SEISMIC Evest.
i 3.
Q.
IF IIIME )ERE SOME4* BLOOED HOW WOULD PLANT
.WT RMt?
A.
AE AISt. Puff SY311!M MAS MIN DES 16MED i
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A60EA 10/15/80 MIC/CSE NETIN6 IP! RTE ZIN!ER POWER STATION MFRVICE WATER hm l
L BRIFF csnutY M IOUS M E l
l l
l 2.
IFMTE STATUS:.
A.
SILT REMOVAL & PREVDETIC48 Pros 3 TAM s.
mser FLOW C0fmt04. SYSTDt 3.
4MIRESS liftC GlESTIONS:
A.
ASKED YUtBALLY AT LAET MNG n.
salt FORMALLY 7/15/30 LsTTs l
4.
E FEEDEACK:
+-
SUTMY NICG METIlEi SEMIE WATER SYSTM
.~
1.
SILT PREVENTION PROGRAM BEING IMPt R ENT t
- u-xcuumes wta u enEvuTsn
" OPERABILITY TO E DEMom T1tATO 2.
RN IMPEUR SITIJATION CORREC7D u-occuMNCE WILL BE PREYSTED sysTsms utne Insraurn 1
orOLABILITY WILL BE DememtATED 3.
NRC WESTIONS HAVE BEEN ADDRESSED PonRAL uPORT $2v m et 1930 l
Tax snc.,AR.Y 1981 PROVE ST5TIMS BY DEN 3TRATICM 4.
CUUtlFICATIOR anac. rwe systsn To u rasTm.t.m snot.n noT w rue. tcan xEaurnsnErr
$15/30
AGENDA 10/15/30 NRC/CGE MEETING UPDATE ZIMMER POWER STATION SER/ ICE WA,TER SYSTEM l.
BRIEF
SUMMARY
P"E!IOUS MF TING:
2.
UPDATE STATUS:
A.
SILT REMOVAL & PREVENTION PROGRAM B.
PUMP FLOW CONTRCL SYSTEM 3.
ADDRESS NRC CUESTIONS:
A.
ASKED VERBALLY AT LAST MEETING 3.
SENT FORMALLY 7/15/30 LETTsa 4.
NRC FC:DBACX-
y, q,
' q
'Q' SILT CLEAN 00T PLANS
's SERVICE WATER INTAKE 1.
INITIAL CLEAN 00T:
u A.
PUMP STRUCTURE DIVERS & PUMPS M'
[
j B.
INTAKE FLUME 1.)
CLMISHELL BUCKET s
i-2.)
DIVERS AND PUMPS a
INITIAL CLEAN 00T NOW COMPLETE
^
y
/
2.
SUBSFOUENT ClFAN00T:
A.
PUMP STRUCTURE SPRAY HEADER PIPING SILT WILL NOT ACCUMULATE DI?.ONSTRATE BY OPERATION B.
INTAKE FLUME SILT PUMPED PROM PLUME USE INTERMEDIATE PUefPING STATION MIXING DILUTION CONTINUOUS FLOW TO BASIN PUMP TO SETTLING BASIN
\\ MILE NORTH OF PLANT SITE 613 ACPI-FEET 1200 FT. FROM INPUT 'IO BASIN OVERFLCW DETENTION TIME 40 DAYS BASIN ALREADY APPROVED DISCHARGE TO RIVER IN ACCORDANCE TO NPDES PERMIT
{C 0715/30
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INTAE FLUME -
IIELEDUUDEBS.
SM naxzMim PROBABLE FLOOD i
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TOP OF FL i
II MODIFIED i
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'!55 RIVER POOL 1
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't"5 Loss of aan I
9'!2 DROUGHT, LOSS OF 438 1
DAa "S M 30T70M G PUMP SUCTION _'L_ _ ;, 1 _ _
6 MSF EAY BOTTtM t
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ALIXII TARY PUMP SYSTEM I
FXTSTING SERVICE WATFR SYSTEM DESIGN MFFTS LItFNSING OFsiGMi 1.
I A.
SIMULTANEOUS OCCUAANCE SEISMIC EVENT LOSS OFFSITE POWER
- FAILURE OF ANY ONE ACTIVE OR PASSIVE COMPONENT DESIGN BASIS N;CIDENT (PIPE BREAK) c 5.
HIGH WATER - FLCCD f
C.
LOW WATER - DROUGHT - LOSS OF DAM D.
NAC HAS ACCEPTED EXISTING DESIGN SAFETY EVALUATION REPORT I
NUREG-0528, JANUARY, 1979 E.
CG&E ACKMCWLEDGES SILT SITUATION REPORTED SINCE THAT TIME.
F.
CGSE BELIEVES WITH NODIFICAT!0N2 DISCSSSED, SITUATIONS l
WILL BE PREVENTED.
l 2,
CSEE RFCDGNI791T IMPORTANCF OF SERVICE WATFR SYSTEM l
EL CTED TO GO BEYOND LICENSING DESIGN t
3.
ACTIONS TAKEN :
A.
EMERGENCY OPERATING PROCEDURES I
B.
AUXILIARY PUMP SYSTEM DESIGNED 4.
DESIGN CRITERIA:
l A.
ASSUME ISCLATION FROM RIVER c
B.
ASSUME LOSS OF OFFSITE POWER C.
NON-ESSENTIAL 1.)
EXCEEDS DESIGN REQUIR_ 6 2.)
SERVICE WATER PUMP PROTECTED IMPTLIB MODIHCILTICES FIOr Cf ;"JtCL 4 PUMPS AVA m nr.R 2 PUMPS 303tNAL 1 PUMP SEUTDCNN 15/30
i 4.
[E.tB MITERIA:
1 C.
EDM-ERSF_MTYAL COM,#
3.)
SILT SUILD-UP PREY 1E4TED SMIAT NO33LES
+
FERIODIC CLE& RING AS NEEDED l
+
MOBITORIES FROGRAM TECI. SPES.
D.
SHOIA D NOT DEGRA7E AutEADY APPROVG SYSTEM i
l E.
BELIEVE SHOULD NOT BE REQUIRE FOR 0.L.
1 5.
NEIE ESut1PTIE.
l A.
NN PupF AT COOLING TOWER BASIN 8.
MAKES USE OF EXISTING PIP!NG C.
CONNECTION WITH ESSENTIAL SYSTEM j
D.
RECIRCULATES WATER E.
MAxE-uP FROVIDED BY 3G F WELLS F.
POWERED BY OFFSITE POWER / DIE 3EL POWER i
l s.
COST APPROXIMATELY $1. D MILLION I
6.
Tira ts10ll INTO STATTOR FMFRETY OPERATM PROCMRFC:
A.
PROCEDUEZ3 I
i 3.
TESTING l
7.
CDE1151GitS:
A.
RESPOND O TO MEE OF EMERGENCY OPERATING PROCEDURE 5 3.
ELECTED TO EXCED DESIGN REQUIREMENTS C.
DESIGNED AUXILIARY PUMP SYSTEM l
l 3.
DOES NOT DEGRADE EXISTING DESIGN E.
DESIGal CRITERIA *TT IN CHOSEN DESIGN M
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o DEPARTMENT OF THE ARMY LOUISVILLE CISTRICT CORPS OF ENGINEERS p
P O Box 59 M'fjp^'
LouisvlLLE KENTUCKY 40201
$EP 16 '60 ORLOP-F 11 Se temb_er_ [f80 l 31GE.I,MG-~
.V bN[ *V6Eb Mr. James D. Flynn Manager
(
Licensing & Environmental Affairs Ci::cinnati Gas & Electric Company g- ~~[r P.O, Box 960
,3
),.
--l Cincinnati, OH 45201
Dear Mr. Flynn:
This is in response to your letter dated 29 August 1980.
That letter concerned the removal of silt from the intake fiume and service water structure at the William H. Zimmer Nuclear Power Plant.
Neither the initial cleaning nor the disposal of removed material, as described in paragraph 2 of your letter, requires additional authorization from this agency.
l Sincerely, l
KENNETH MATHEWS Chief, Operations Division l
l l
l l
l
A 7',7 G 8 GEM EMG. DM
-?
August 29, 1980 COE File 72-39 Department of the Army Louisville District, Corps of Engineers - Attn: Kenneth Mathews, Chief, Oper. Div.
P.O. Box 59 ORLOP-FP Louisville, Kentucky 40201 RE:
WM. H.
ZIMMER NUCLEAR POWER STATION-UNIT 1 REMOVAL OF SILT FROM SERVICE WATER PUMP STRUCTURE AND FLUME
.a.
Gentlemen:
The purpose of this letter is to summarize our present understanding of conclusions reached at meetings 1.;g between representatives of The Cincinnati Gas & Electric
.u.
^.
Company and of the Corps of Engineers in Louisville, on July 7 and August 26, 1980, relative to specific. aspects of the subject undertaking as follows:
1.
Authorization from the Corps of Engineers is not required
,s.
~
for modifications to the service water purp structure now 1
underway and involving the installation of a system of jetting nozzles inside the structure.
2.
Authorization from the Corps of Engineers is not required for the initial maintenance cleaning now underway and
?c involving the initial post-construction cleaning of the
, [..
subject flume in accord with our drawing IDP-3 dated August 29, 1980.
~ '
The specific cleaning method requires:
.-s-
.e 9' 5sg vow,qemo.gn :..... -Excavating silt from the flume by. a rig ' ' '..,..
~?.
..... r-
'a) employing a clam shell bucket.
b) Loading excavated silt directly into dump (t
t-trucks.
an u !yong c) Transporting the silt in trucks over an existing roadway directly to the borrow pit.
gp[g I / rl d) Depositing the silt in the previously approved I
borrow pit.
I i
e) Allowing no discharge to the river from this removal and storage operation i
.,=,..... ~...
TO:
Department of the Army August 29, 1980 Louisville District, Corps of Cok. File 72-39 Engineers Page 92 RE:
Wm. H. Zimmer Nuclear Power Station Unit 1 - Removal of Silt from Service Water Pump Structure and Flume As we have been asked by the Nuclear Regulatory Commission to provide documentation of permits and authorizations that may be required (or not required) for the subject operation, please let us knew if our understanding is correct with respect to the absence of Corps of Engineer requirements for the operations stated in Parts 1 and 2 of this letter.
Your cooperation is appreciated.
Very truly yours, THE CINCINNATI GAS & ELECTRIC COMPANY v
By JAMES D.
FLYNN, Manager Licensing and Environmental Af r.Lrs i
GMP:gaj bec:
E.
A.
Borgmann R. J. Pruski S.
G. Salay
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R. Schott
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G. M.
Pemberton A.
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Stewart E.
E. Galloway R.
A. Beck t.
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LICENSING AND ENVIRONZENTAL AFFAIR $
MEMORANDUM TO:
MR. JAMES D.
FLYNN DATE October 8, 1980 FROM:
R. A. BECK SU8JEC 7: WM. H. ZIMMER STATION INTAKE FLUME CLEANING W.O.
57300-955, JOB E-5590 By letter dated September 5, 1980, Licensing and Environmental Affairs (LEA) requested that the Ohio EPA modify the NPDES Permit issued for the Wm. H.
Zimmer Station to allow for the deposit of the silt from the intake flume cleaning into the settling basin located on the station site.
This modification request v.*as followed by a telephone call by me to Mr. Elmer Rehme
(.. the Ohio EPA Southwest District Office in Dayton, Ohio to caterrine if the appropriate information had been supplied.
Mr. Rehme respended that Ohio EPA had the necessary data to process the modification request.
He felt that disposal of the silt in the basin was acceptable.
The total suspended solids limits that Ohio EPA is considering for the. discharge-from.
the basin are 30 mg./1. (monthly average) and 45 mg./1. (daily maximum).
This limit would be negotiated by CG&E and Ohio EPA.
Although the flume cleaning is scheduled to occur shortly, Mr. Rehme stated Ohio EPA is not considering the modification request as a priority item.
The reason for this is that considering the size of the basin and the small amount of flow and sediment entering it during the cleaning, there will be no discharge to the Ohio River during the initial cleaning.
This fact will allow Chio EPA to process the modification request following their normal review schedule.
As Mr. Rehme stated, if there is no discharge to waters of the United States, there is no need to have an NPDES Permit.
If there are any questions about this situation, Mr. Rehme indicated we should feel free to call him.
His telephone number is 513/461-4670.
,1
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E.
Galloway G. M.
Pemberten i
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September 5, 1900 Ohio Environmental Protection Agencv Southwest District Office
? East Fourth Street Dayton, Ohio 45402 Attenticn:
Mr. Charles W. Forsthoff, Chief nE:
- 01. H.
SI21vER STATION tIPDES PER 'IT MODIFICATION REQUEST W.O.
57300-955, JOB E-5590 Gentlemen:
The Cincinnati Cas & Floctric Company (CG&E) has recently been confronted with a siltation problem within the intake flume at Nn. H.
Zimmer Station.
An accumulation of silt is affecting the plant's river water intake system.
To renedv this problem, a flume cleaning arrangement has, been made.
Appro::imately 2300 cubic yards of material will be removed from the intake flute annually.
This cleaning will occur reriodically throughout the year.
About 450 cubic yards of silt will be removed during each cleaning.
This cleaning acti'rity is nost likely to occur during January, February, March, May and November.
Each effort will be spread over a 3-5 day period, with the silt being deposited in the large cettling basin just north of the plant.
Each cleaning effert will remove the 450 cubic yards of silt from the flume using a vacuum system.
Approximately 360,000 callons of water will be discharged to the basin at a rate of about 1200 gallons per minute.
Only seven (7) hours l
of actual cleaning would he done during the 3-5 day period.
The l
attached sketch shcus the proposed location for dercsiting the silt.
?IDDES Pernit !Tumber Bill *AD was issued for ifm. it.
"immer.Ctation on August 4, 1976.
The outfall fren the settling
[
be. sin t'hore the silt vill he deposited is nuchar 001 in this permit.
crM l nman his tire, CC&E is recuescing that this pernit and the snecific I
l g.g g;. 37e3.gf ':arge 001 be rodified to incorporate the intake flume cleaning l
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KETumM TO:
$.n1p:eosmano.su To:
Ohio Environmental Protection September 5, 1980 Agency Page 42 BE:
Mm. II. Zirr.er Station 11PDES Permit i'odification Recuest If you have any cuestions or are in need of additional information, please contact Mr. R. A. Beck of our company at 513 - 632-2367.
4 very truly yours, TIIE CINCINNATI GAS & ELECTRIC COffPANY By JAI".ES D. FLYNN,tianager Licensing and Envircnmental Affairs f
RAB:gaj Enclosures bec:
E. A. Borgmann S.
G.
Salay W.
D. Waymire J.
R.
Schott H. C. Brinkmann E. E.
Galloway G. M. Pemberton D. W. Kemp I
AM"N l N7MD I
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I RETURN TOs
d WM. H.
ZIMMER INTAKE FLUME CLEANING Annual Rates Flow:
360,000 gallons Amount of Material:
2300 cubic yards Frequency:
5 tiInes per year Rates Per Cleaning Effort Flow:
1200 gpm Amount of material:
450 cubic yards Duration:
7 hours8.101852e-5 days <br />0.00194 hours <br />1.157407e-5 weeks <br />2.6635e-6 months <br /> for 3-5 days e
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