ML20085G874
| ML20085G874 | |
| Person / Time | |
|---|---|
| Site: | Saxton File:GPU Nuclear icon.png |
| Issue date: | 04/30/1969 |
| From: | SAXTON NUCLEAR EXPERIMENTAL CORP. |
| To: | |
| Shared Package | |
| ML20083L048 | List:
|
| References | |
| FOIA-91-17 NUDOCS 9110280065 | |
| Download: ML20085G874 (7) | |
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01:2..!:1.t The othede. led p3 m1 ce* ve uhish van begun oa October 18, 1969, vac coat iuued 1,hi ongla ut this report porJed.
The najor effort van devoted to innta)1ing ond cherhing c.ut the $w core nu.lcar junt reaentation chanucir nnd Jonding Corc 131 int o the reactor.
Da AprU 3 0, t he J ondJng of the 23 core ill nain fuel nor.e.cb]ics,
t he ninc " ' aant nM ico, and sl:. coat rol rods and followra vac conpleted.
Seven non-- f ue) test rods vere also inscrit d in the removnb)e rod posit jons-of the 9x9 nnsevh]Jen.
A diagrou of Sa.st ca Core 111 is at tached.
Da Apr31 25,1bc vpper core supr rt. barrel van inctalled in the reactor imd t he inn t rut ant fr me Iv.vr.d into pon]
'oa.
On Aprl) 20, the' reactor vessel head uan inctalled on the renetor.
't op times ucre detern.ined f or the nix cont rol rods at rubient t er perat tu e and un
'pa.
The nonsured drop tinan ucre betecca 767 r.ud 050 m3311cccondn.
In Oct < '
3965,-nfter inntallation of Cole 11, comparnh?c rod drop testo teve coaducted 4 be ocasured tinen ucre between 761 and 850 nlllivecoudn.
On Aprf) 29, a 1/;: p3o1 vernus c 1 rod poM -ion with 1627 ppm boron uns ren to deter,, toc the chutdv.n untgin.
ohutdown nargin uas determined t o be p enter then 16% uhich in ths ec1culated c l rod bcnh worth.
.. Reactor vencel herd bo3L inctal]
.n was begun on April 29 cud unc in progreen c: the end of the racnth.
Two n3t erici irradiat:f on capsule ecsoc.blics incta] led in the reactor in October 1965 vere-rcroved f rom dumy feel acsenhly posit ions A-4 and C-6 f or shipment off site.
2.
Op):P.W)O::AL TESTS The SEC fire end evacuation alarra vere tested April 4,11,18 and 25.
The ironthly test of the radiction monitoring nyctem was completed on April 4.
l 3.
HATNTDU.NCP.
l l
The principal itces of.machanical naintenanco dur'Ing the month included l
cleaning the control room air conditioner coolers; repairing the containuent vessel cronc universal joint; installing a new river unter line to the-instrument air coolcr; c] caning the vator jacket on the instrument air compresnor and ropacking the comprennor picton; replacing a scetion of pipe ~dn the hotvoll vent linc; repairing the high radiation area fence around the vaste drum otoranc Arco; procoscing eleven drums of evcporator unste; painting the souple room pancl; patkerizing and c3cet.ro-filming the reactor vessel stud bolto and acorn nuts; replacing the control and
- au:d]iory bu1] ding air handler profiltcis; and repairjny the RUDF roof drain.
t 91102s0065 910424 R
l
f.!NC Operation:; neport for pyr l) 1969.
(2
'the major it em of e.letti j eal and innt rtnent mintenance included fahrJent.ing tuo vatertight can:. for t he refueling in-core nuclent inntruantetion; cheching the vpecific 1.racity of the station nerv)ce bat teries; celibrating and innt a)1ing. t he' in-col o nuclear innt ruent et J on; replacing e3ectronic tubec in the EUDP sump pump c ontro13 er; innteillon a 500 U heat ec in the nuc1 car instrumentatica junction box; Jnntelljnp hingen and a gathet ca the nuclear instrument etion junct ion bou; rebuilding and inct 01) Jng c notor on the MEDP evaporator roon ml>iing fan; cleaning and repairing t he river unter pressure regulator; inst alling a neu
.conductivlty probe in the make-up purification countic twik; repsiring the_ high voltage por6r nupply on the count ronu spectrouct er; replacing the UTD in the nunber t.hree spent resin storage tank; cleaning the RUpr evaporator hotua]1 dump colonoid i
va3ve; repa J rJ ng the 3.init suitch on the evaporotor bot t oms drain valve; repairing the ef fluent troni t or, RIC-6, preanp ci rcuit ; replacing a reloy in nite particulate ponitor, RIC-8, alcru unit; repairing the flou alarm swit ch on t.hc site particulate ruonitor, RIC-S; inct al] Inn inctromant air, stcari and electrical service for Parkerizing the reactor vennel head bolta; repairing the -J atching ucchanism on the E 2/11 breaker and the bottcry charger breaker; installing a neu photomultiplier tube in RWDF cf flu:nt nanitor, RIC-6; replacing three potentiomet. crc in nuclcar instrumentation source rance D; inst alling a neu fi]ter and cleaning air precoure controller on t he instrument air comprececr; and cheching the calibration of the RWDF of fluent monitor, RIC-6, and the site particulat e nonitor, RIC-8; calibrat.ing the 3etdoun f]ow control valve, hnC-21V, and the pressurizer IcVel controller, LIC-2.
4.
CilD!ISTRY l
The main coolant system ucs in a cold shutdoun condition throughout the entire month for the loading of Core III.
Doron concentrations ranged from 1625 ppm j
to.1652 ppn during refueling.
A nummary of analyses performed on the main' coolant is given in the tab 1c he]ou.
t linin _ Coolant - Storge Uell San.ples Minimum i
}!a>1pyup pil at 25"C 4.68 5.70 Conductivity, umhos 5.36 9.86 horon, ppm 1625 1652 Chloriden, ppm
<0.005
-<0.005 Gross Deta-Gamma (15 min. dogasced) uc/cc 2.08x]O-3 7.01x10-3 l
Tritium, uc/cc
- 8. 39x10-3 8.68x10 -
On /pril 22, the mixed-bed resins in the storage ucli dominera11zer were replaced.
The decontemination. f act oru on the new renin ranged f rom 8.8 to 10.4.
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8;;;;C Operttionn MeporL for
.A,r_.i.l. 3 f 09 J
13 5.
E/.01/ir10:: AMD WJ;'rM NSpOSAL hadiation onrveying consist ed "of routine plant r.u r veyc, the contalinant vensc3, and naterJaln t.hipe,nts.
The follouint; raaximum radJation readings ucre tnhen:
321 cat /pr1 Jindiat lon J1cadin,n C&A Mu11 ding Unste Drou (baling techine) 1.2 mrem /br beta-gai Charging Pemp (contact ulth chanber) 37 mrem /hr beta-tat Sauple Room (door of sa.aple panc1) 1.5 mrem /hr bet a gar JTDr.
1:vaporator (uader botIom) 21 mrem /hr beta-gan Evaporator (contact outsido upper Icyci)
Drum Storage Arca-(at ilRA fenec)
$ mrem /br betn-gam 3.4 mrem /hr beta-gau E'.E:
Prinary Compartracnt (general upper Icyci) 00 mrce/hr beta-gen:
Priuary Con'artment (contact M.C..punp volutc) 230 mrem /hr beta-gam.
Prinary Co:apartraent (S.C. bottom) 150 mrcu/hr beta gntw Primary Compartment (precourizer bottom) 100 mrcu/hr beta-gam' Primary Compartuent (general louer level) 55 mren/hr beta-gee:
Prinary Compartuent '(Hogen, llX)
$00 mrca/br beta-gar Priuary Conpartment (Non-Regen. RX) 40 rarco/hr beta-gatr Auxiliary Equipnent Compartu:ent (S.C.H.X.)
8 mrom/hr beta gamr.
Auxi)lary Equipnent Corapartmant (D.T.-top)
_10 mrce/hr bota-gen-Auxiliary Equipment Compartment. (D.T _ bottom) 36 erem/hr beta-gamn Auxiliary Equipment Corapar tment (Cencra1 louer Icyc1) 4 utem/hr beta gan
' Reactor Dcch (instrument ports) 460 mrem /br betafgain Contamination surveying consisted of routine plant-nite surveys, surveys of mat:crials shipped, tools, equipaent and the containment vecccl._
The cican arcan vere uit.hin the " Clean Arca" limits.
The contro)3ed area van generally uit.hin the "C1 con Arca" liults.
The cont rolled area van c1 caned frequently to hecp and/or_ to return it t o t he "C1can Arca" limit s.
the nuount of cmearable contamination.The exclusion arcas ucrc cleaned periodically to mintuiz The follouing contamination 3cycis ucre observed:
Jf_cn,t ion Contamination ReadJnq C&A build 1_n2n Charging Pump Chamber Charging Pump Chamber 5162 d/m/nmear beta-ganrne Charging Roan F]oor
<10 d/m/ smear alpha l
Sample Room Sinh 2820 d/m/crient beta-gammt 874800 d/m/stacar beta-gacre Sample Room Sinh Sowp1e. Room PJoor
_<10 d/u/cmcar-n)pha-
-90] d/n/ stear bet a-cae Cbeafcal Lnb Hot Sinh
- 15000 d/r /sment-bet a -gnmer Cheulcal Lab 1101 S i r.k-
- <30 d/n/rmear alpha
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S:;):0 Operat J ons Report for
/p i,1 1969.
(4 Location Contaminnt ion )<cadiilg,
,RUDP Puup Room P3 eor 4090 d/6/cmcor beta-gamm
' Shipping noa rioor
<100 d/m/sucar bet a -now..
,0.Y.
Operating Dech 1840 d/m/ smear beta-gaie Operating luch
< 10 d/m/omear alpha Reactor Dach (head) 11700 d/ia/r.mear beta-gama:
Reactor Dech (hea:)
< 10 d/m/snicar alpha Primary Compartuent (grating) 430 d/m/ smear beta-gamm, PrJmary Compartment (grat.ing)
< 10 d/m/ smear alpha
' Liquid cnd nacconc ef f]uents f rom the SNEC site for the nonth of April,1969, vere ac folloas:
e4 (Curic)
(Curic)
(Curic)
Effluent,
Activity Activity Activity Type Thin 1onth Year to Date Last Tuelve lionths, Liquid '
O.000966 0.002894 0.009189 Trit.iun 0.214280 O.321941 4.041007 Air, Xc 0.000]00 0.040116 6.967132
-Air, 1-131 0.000000 0.000000-0.000321 Air, 11.F.P.
0.000001 0.000401 0.069671 Tucaty (20) barrels of vaste were drummed for temporary st.oranc. -No drums were shipped fron the site.
Radiction exposure for all-SNEC personnel as racasured by filta badges for the inont.h of March,1969, ucre a maximum of 1040 mren with an; average of.165.58 mrem.
Radiation exposure for all visiting personnel an measured by film badges for the month of March,1969, were a maximun of 0 mrcm with -an average of 0 mrem.
The average radiatclon exposure for all perconnel as monsiired by I'llm badgen for the rionth of March,1969, vas 3 25.19 mrem.
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E SAXTO'l !!UC1 EAR.EXPERII CUTAL CO3PORAT10]
OPE 9ATING STATISTJCS
}iO:!Ill April YFAR 1969
!!UCIEAR Ut:IT
!!ONTH YEAR TO DATE TIMES CRITICAL NO.
0 0
823 HOURS CRITICAL HRS.
0 0
22,940.49 TllES SCRIDIED (1-:A!!UAL)
NO.
.0 0
449
- TIMDB SCRIM"ED (INADVERTAl!T)
NO.
0 0
42 THER11AL PO'dEH GENERATIO" JMH 0
0 429,077.S3 AVERAGE 3JRNUP (Pu Region)
IGIDA!TU 0
0 18,029.03 CONTROL ROD POSITIONS AT E!D OF liONTil AT BlUILIBRIUM PUdER OP 0
}p;t 11AIN CO3Ud!T BORON If'27 PPM RODS OUT - INCIES NO. 1 0
- 10. 2 0
NO. 3 0
UO. 4 0
NO. 5 Q
11 0. 6 0
l (.
El,ECTRICAL UNIT
- MONTH YEAR
.TO DATE GROSS GENERATION FMH o.
0 73,529.3 STATION SERVICE IMH B7.9f
$$212, 15.52s.82 l
l STATION SERVICE 0
0 21.1 AVG. PUJ1T EFFICIENCY - IMH(c)/1GDi(t) 0 0
17.14
' AVG. CENERATION RJUNII:0 ( 0 HRS)
}M 0
0-3,461.11 PIANT LOAD FACTOR -
( AVG. GEN. FOR 110NTHA:AX. LOAD) 0 O
18.09 j
AUXILTARY STE!J1 SUPPLY - NUCLEAR STEMI SUPPLIED BY REACTOR HRS.
0 0
~19,259.i4 IMDF EVAPORATOR OPERATION HRS.
149.95 537.79 7,952.65 l
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