ML19224B653

Project Change Notices

ML19224B653
Person / Time
Site:	Crane
Issue date:	02/04/1976
From:	Metropolitan Edison Co
To:	Mullinix W NRC/IE
References
OLP-760204, TM-0426, TM-426, NUDOCS 7906180031
Download: ML19224B653 (70)

Text

.

TMI COCUMENTS DOCUMENT NO:

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,.f 0F DOCUMENT PROVIDED BY COPY MADE ON METROPOLITAN EDISON COMPld?Y.

]) v!b.:.b-Wilda R. Mullinix, NRC 790618003/

225 2B2

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J 2555-59 w.o. No.

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Yes O No S sAa eviati=n No.

Client Requested Change Yes No 5AR Oeviatica

1. :escription of Chapce:

Stress Analysia is reruired for R.C.

Pump Seal Leakage Piping, p#

s how n o n Flcw D iagr am f sa.% g. No. 2632.

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?2 mas R aq m Eo Srae3s

.L s c s erue s 2 asasen f or Chance-Cperating temperature of R.C.

. ump Seal Leakage Piping is L70 F which requires thermal stress analysis.

3. Instructicn Feceived by T. Jhun

.rrc=

G.

Capodanno verbal 2/2/76 Mcv 33 1

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( Coc.c'ented : Talegras, ~YX, *at er, etc.)

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4 Iffect en Capital Ccst Istirate?

Yesb No Apprcximata ?=cust: 3 Yesb

5. Iffect en ? reject nd.:ata?

No Cens cuction Packs. e/? repurchase Specificatica '-;u=her Affected:

Cid Cc=pletion Cat a New Cc=pletion Cate

6. Manheur Istimate: (origi.nater cr P.I. checks (X) by Cepar*=ent aff ectad who =ust make nanheur estimate)

Cecar*=ent Initials Cecar ment Initials L_;IAa Occ dinato r..........

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If not acccmolished, will clant cpera te

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as intended?

(1)

Yes No 2.

If r:o t acccmplished, will plant be licensable?

(1)

Yes M No 3.

If noc accomplished, will plant be s

constructable?

(1)

YesI No 4.,'If not acccmplished, will plant be

' safe?

(.

(1)

Yes N

x v

If "yes" to 1, 2'

3, and 4 above, is P.C.N. desirable-and cost ef fective?

Yes )[

No u.

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225 284 ceate ccaccn; above.

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Description of Ef fort M.

II.

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NEW STRE55150'~s.

(R.c.FUM P SEAL LERKRGE PIPING To R.C. DFA1N TANK P/DL-T-3, SHOWN cN P1 PING DLOGS. 26 C ^ SA. I,2 A A'-

AO 1

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Total iched"le ycs no

?c:: will affect project schcdule milestone data l

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?C'! Will affect aicr:11 project che d _: lc j

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ro um ott.ched a,an rca

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3.,1._,,n ec,. cse.,.,ccs m:cc e d i ng forty (40).c:a n h '_"i r : and./ith ininimum back-up for e n ti ~.a tc c c y:cc a d i.ng f c,: r ( 1) h o u r.,.

225 285,,

f PROJECT C:-U ':GE NC ICE Mm:Houa Escr.s.TE 2.;C:-:-up CN No:

2. 0 i Te u i..b o pv. # /

Discipline. ;

b TR iE SS name J.

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• Date 2ll9f1d

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Item, Dwg Est.

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Description of Effort M. H.

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Total 27o Schedulo yes no wCN will affect projec' schedule pilestone date lg PCN will affect overall project schedule X

_If yes, define impact specifically

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~ 225 286 O ~'":

~o be attached A

to all PC::s with de ailed back up for estimates exceeding orty (40) manhours and with minimum back-up for estimates c.Ncceding fcur (.1) hours.

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W.O. No. 2 5 5 5-59

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Date nt neg e.ted Change Yes No SAo. D2victicn Yes No F'J. Da' in tica ':o._

'escri.ticn of chance:

F' D. 2 6 3 2 Ef fects Electrical,. Electr ical D/D' WDL-PS-1203-2 snould provide. con tacts to open WCL-VLC95 on 6 psig decreasing s ignal andc 4cse WDL-V1095 on 10 psd.g increasing signal,'ES to override 8

interlock.

Work comple,ted e,xcept -;hanges to schema t.ic 2nd cable routing, etc.

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r.iterlock was added c,ur ing dev%. cpment of r t cw c; la g r m t o prctect.,DL-T-LA,B,C f r,cm ove r pr e s sur e",

..'D L -T - 3 frcm vacuuc.

Chang e. was om i t te d from oravicus s u c o l e r.e n t,s to PCN 2012 Rev,

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on Capit.11 Ccst Estir.2tc?

Yes L )(

No i._ }

Apprcxi. te A.- crat: $

ffect on Project End Cate?

Yes No onstructica.~achage/.treprchase Specification M - ' er Affected:

'll Cc pletion Date Ucv Co Oletion C.a;.c Onhour Estir2te: (criginator or P.E. checks (X) by Depart ~.ent affected wh5 must n2 :e

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2555 ISM::D 11:IIT 2 TIIREE :.1ILi' P.C.P.

REVIE*1 SiiEET '

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20 W PN { Saoph,vM b-hee n!-er 3 675-ate.

1.

If not accomplished, will plant operate as intended?

(1)

Yes No. /

2.

If not acccmplished, will plant be y

licensable?

(1)

Yes No

/\\

3.

If not accomplished, will plant be X

No constructable?

(1)

Yes 4.

If not acccmplished, will plant be

\\7 safe?

(1)

Yes No 5.

If "yes" to 1, 2,

3, and 4 above, is P.C.N.

desirable and cost effective?

Yes.fN No 7Gha'L/La iz-5 -w Signature Date f

eate reason _, above.

225 288 W

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iia g u tr em u.,... u s %u DATC 8/25/75 G.C'podanno w,

To M.DiLoren: o, P.K De H.Cody w,

I R.Schloscer w,

F d o.".7 R.L.

Schlosser

-p f'-~( 2 )

db GucJECT W.O.

2555-59 l

Jersey Central Power & Light Co.

Three Mile Island Nuclear Station Unit #2 1CN 2018 Rev. 1 Radwaste Disposal - RC Leakage. Recovery System 2.nstrumentation on F.D.

2632 Ref " :es:

Memo R.Schlosser to M.DiLorenZO, dated 8/19/75, Memo R.Schlosser to P.K. De, dated 8/18/75 A pres: Ure switch, WDL-PS-1203-3 should be a'dded with set oi e 1 psig.

WDL-pA-1203 and '.iDL-PA-12C 3-1 should rece ive th4 s signal as the low alarm setpoint.

The Flow Dia gram shou d show the tank pressure instrumentation per the attached sheet.

._ ~

j WDL-PS-1203-2 should also provide a 6 psig Decrec-ing signal to reopen valve udl-VIO95.

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Calc. No.

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11ame Date

Item, D.. g Est.

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Description of Effort M.

H.

Comp.

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l-Total

' schedule yes no

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PCri will affect project r,chedule milestone date pct 1 will affect overall project schedule

[

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.Tf yer, de c i r.e :, pact

,pe-e i c a l l.v 225 291' UCTU:

Tu be eillochuel to all I' Clin w i th d o t n i l. o d. b., '1< - u p for estimates ci:cce d i ng forty (40) manheurn'and with minimum back-up for estimate. c::cc e d i ng fcur ( 1) hours.

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Date 11, / C. 7 (

Item, Dug Est.

S ch e c.

No.

etc.

Description of Effort M. 11.,

Comp.

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V) DL' Y IO lf [g, Total Schedule

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gg PCU uill af fect project schedule milestone date PCN.ill affcet overall project schedule w

I If yes, defi.2 p,ct s pe,- 4 e i c a t 1,,,

225 292 NOTU:

To be alloched to sil l 1ciis with de ta i l.n d brict:-.up f o r e s t ima te s c >:cce d i ng forty (40) manhourn and with minimum back-up for entimatet. c::ccedi ng fcu r ( 1) hourn.

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1)l:0.]CCT CifA!!Gl: NOTICI:

M A':llOlt it i:5 T I."A TI: P ACK -U i)

CN No:

70(( < #i /[

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' Discipline;

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Name

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Date

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Item, Dwg Est.

Schec.

No, etc.

Description of Effort M. H.

C orap.

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Total Whecht l e

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ygg l'CN will affect project schedule milestone date l

TCN will affect OVCrall project schedule Jf Yes, define : pact speririenity 225 293 NOTU:

To be allaciied to a l l PClin with :ic t a i l.o d bar1< -u p f o r estimates c >:c c e d i ng forty (dOJ manhou rn 'and with minimum back -up for entimate. c::cc e d i ng fcur ( 1) hourn.

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Proj. Eng.

/ Date' ant Request ed Change Yes

o SAR Ccviation Yes No SAR Ocviation :o. _

xscrintien of chance:

F.D.

2632, 2027, 2035 SEE ATTACHED SHEETS

~

Reason for Chance.

. SEE ATTAC$ED SHEETS ac.apHs nstruction Received by R. Schlosserff J i - II - 7.s '

From G.

Capodanno CM Ve rba l -

Date (D0cumentec: Teleg am, T. 7., Letter, ecc.)

/kkM fh.. on Capital Cest Estinate?

Yes No ApprOxicate Ar0u.nt: Eb O ?_

ffect on Moject End Cate?

Yes No onstruction Fac.%272/? repurchase Specification ::"--her Affected:

ld Ccmpletion Cate New Co pletien cate mhour Esti ate: ( o rigin att.,-- or P.E. checks (X) by Departe.ent affected who must make mhour estinate) s Depai t-en t "01 Coordina:cr...........

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TOTAL DESIGN & D?AFTI!:G.... I 2. 3 0 m.o.....................

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A t ta chmen t to TN1 Unit #2 PCN 2018 Rev. 1 Supp.-

1.

Descriotion of Chance :

Add new panel CR-8A in the Control Room.

(I&C, ME completed)

Reason:

Provide central mimic panel for control and monitoring of the Radwaste Disposal - Reactor Coolant Leakage Recovery System and the Leakage Closed Cooling portion of the Decay Heat Closed Cooling Water System.

2.

Descriotion o f Chance :

Add relief valves to DC piping attached to the shell outlet nozzles on Leakage Coolers -- DC-R2A on WDL-C-lA and DC-R2B on WDL-C-1B.

Valves will both be 3/4" x 1".

(F.D. 2035)

Reason:

Required by ASME Boiler & Pressure Vessel Code,Section VIII, Division 1.

3.

Description of Change :

Change set pressure of relief valve WDL-R1 to 150 psig.

Reason:

The Leakage Recovery System design pressure downstream of the Reactor Coolant Drain Tank is 150 psig.

r% 4a. Descriotion of Chance :

By FCR, provide counterbore 3/4" dia.

k-jackscrew guides on bolt circle of manway flange on WDL-T-3.

Reason:

To guide jackscrews during insertion and removal of rupture disc assembly WDL-U26.

4b. Description o f Change :

By FCR, provide stainless steel full socket wald couplings on nozzles designated "M"

and "N"

on RECO Dwg. D-71-Co Rev. 6 (B&R #3 9-00-0124 ).

Nozzles "M"

and "N" will be utilized for process service.

Also remove cooling coil and couling coil support angles from inside o f tank.

Reason:

The cooling coil is no longer required and the rc z le s are required for process piping.

4c. Descriotion of Chance:

By FCR, provide pipe extensions inside WDL-T-3, extending the relief valve nozzles approximately 7 feet into tank (nozzles "F" and "G" per RECO Dug.).

Reason:

Due to changes in design blowdcwn rate, the relief valve is insu f ficien t for steam relief and the tank must be modified to provide for liquid relief.

n U

225 296

};

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Page 2 PcN ::o i <g g t 39 4d. Description o f Chance :

By FCR, plug 1/8" vent hole in WDL-T-3 14" nozzle.

Reason:

To improve quenc?ing capability of the tank (14 " line vacuum relief will be pro. ;ded by the external 1" vent line containing valve WDL-VllOl).

4e. Descriptian of Change:

By FCR, provide 8" nozzle to replace nozzle "K" on WDL-T-3.

Reason:

To prevent vortexing and minimize pump suction pressure drop to Leakage Trans fer Pumps, NDL-P-9A and WDL-PJ9B.

5.

Descriotion of Change:

Change F,u.

2632 as follows:

Sa. Add Note 5 " Grounded Bayonet Type Thermocouples provided for pressurizer relief valve piping as follows:

RC-R2 2h" pipe WDL-TE-7201 (Upstream) 4" pipe WDL-TE-120 2 (Downstream)

RC-RlA 6"

pipe WDL-TE-7203 thru NDL-TE-7206 (Upstream)

WDL-TE-7207 (Downstream)

RC-RlB 6"

pipe WDL-TE-7208 thru WDL-TE-7211 (Upstream)

WDL-TE-7212 (Downstream)

(

All TE's listed go to Multipoint Recorder YM-TR _7167,[

(7 lL.Teg:i d & cca +

W s l29 cul (W lE ~

G^*'1/& ' %*

Sb. Change WDL-LA-1207 to WDL-LALL-1207 Sc. Add WDL-LA-1206-1 to electrical ou tpu t side of WDL-LS-1206 and WDL-LS-1208.

WDL-LA-1206-1 snown as panel mounted in Control Room.

Sd. Add WDL-TI-1200-1 to electrical ou tput side of WDL-TE-1200.

WDL-TI-1200-1 shown as panel mounted in Control Room (CR8A)

Se. Change WDL-FIS-7107 to WDL-FIT-7107 WDL-FIS-7108 to WDL-FIT-7108 WDL-FIS-7109 to WDL-FIT-7109 WDL-FIS-7110 to WDL-FIT-7110 S f.

Interfaces with other Flow Diagrams (1) Demineralized Service Water (FD 2007 Shts. 1& 2)

The cleanliness classification upstream of Valve WDL-V536 should be changed from "CL-D" to "CL-B" and the drawing reference to "FRCM DEMIN. SERVICE WATER DWG, 2007 Sht.

2".

C 225 29Is

Page 3 PCN uit R1 S4 S f.

(2) Nitrogen for Maclear and Radwaste Systems (FD 2036)

The Seismic classification upstream of valve WDL-V549 should be changed frcm "SEIS-II" to "SEIS-I".

The cleanliness

'~

classification upstream of WDL-V549 should be changed frcm "CL-B" to "CL-C".

Sg. Change pump suction nozzle on WDL-T-3 from 4" to 8" and delete 4 x 8 reducer.

Sh. Valve Steam Leakoff Piping Change interconnections for valve stem leakof f piping as required to facilita te pipe routing.

All interconnect' ion changes and asrociated pipe routings to be reviewed and approved by Engineering prior to inclusion on flow diagram.

Si. Reloca te Thermcwells WDL-TX-2004, -2005, -2006, -2007 and PXs with roo t valves WDL-Vill 3A, -Vill 3B, -Vill 4A and -Vill 4B from the

~

leakage cooler nozzles to the adjacent piping.

Sj. Change Valve WDL-V1095 from 2" Gate to 2" Globe.

Sk. Add " ENGINEERED SAFETY FEATURE" to diagram.

31. Correct spelling for WDL-U26 to " DIAPHRAGM".

Sm.

4" lines downstream of WDL-Vil20 should have flow arrows in both directions.

Sn. Seal Leakage measuring devices should show "FE" numbers in addition to specialty numbers.

Soecialtv No.

Flow Element No.

WDL-U24A WDL-FE-7107 WDL-U24B WJL-FE-7108 WDL-U25A WDL-FE-7109 WDL-U25B NDL-FE-7110 In addition " ( BY B&W) " should be included adjacent to each device.

So. Add 2" globe Valve NDL-Vil42 to the line through Penetra tion No. R-553 between the isola tion va lve test connection and WDL-V1098 and WDL-U23.

The valve will be manual and is justified by PCN 1575 Supplement 2.

C 225 298

h, 6

Page 4 POJ 2.o l? g j q 6.-

Flow Diagram 2024 6a. Revise pipe classification flags downs tream of RC-RlA, RC-RlB, RC-R2, and RC-V137 for downs tream piping to :

Piping ('lassification SC Quality control Q-4 Seismic Class SEIS-I Cleanliness Class C

6b. Delete pipe classification flags at valves RC-V107, RC-V105A, RC V105B, RC-V119A, RC-V119B, RC-V119C and RC-V119D.

Delete

" A ND D RAIN" from notes 4 and 5.

Add note 10 :

"10.

Beyond the root valves, all drain piping connected to N-1, N-2, or N-3 p rocess piping shall be classified C, Q-4, SEIS-II, CL-B.

7.

Flow Diagram 2007 Sht. 2 Description on line downstream of Valve DW-V201 to read :

"TO REACTOR COOLANT DRAIN PUMP" 8.

Flow Diagram 2027 gg Delete Piping System Classification change at spool piece 8a.

(_

upstream of WDL-V8 (Both systems are CL-B).

8b. Add 2" Globe Valve WDL-Vll43 to 2" line through Penetration No.

R-553 en the opposite side of the isolation valve test connection from WDL-V1092.

The valve will be manual and is justified by PCN 1575 Supplement 2.

8c. Change Valve WDL-V1092 from 2" Gate to 2" Globe.

8d. Replace 2" Diaphragm Valve WDL-V178 with 2" Diaphragm Valve WDL-V915.

F.

. 3 c ce., e n; w n-h e m w>_-T-n M f,LL to 4<L4y-se.

Flow Diagram 2026,.,.nL. wo,.7.o;yc,a,e M -, m J u,_t e

..t - s

o. rv u rs s

,,s p,etc.ieid' 9.

Delete "AND DRAIN" from notes 3 and 4.

Add note "12.

Beyond the root valves, all drain piping connected to N1, N2 or N3 process piping shall be C, Q-4, SEIS-II, CL-B."

10.

Flow Diagram 2034 Delete pipe system classification flags at valver CF-V103A, CF-V103B, CF-V120, CF-V122A and CF-V122B.

Delete "AND DRF.IN" from notes 3 and 4.

Add note "11.

Beyond the root valves, all drain piping connected to N-1 N-2, or N-3 process piping shall be C',

Q-4, SEIS-II, CL-B."

11.

Flow Diagram 2045} }gg Replace 3" check valve WDL-V60C and associated reducers with 3" check valve WDL-Vll44. =

t., Page 5 ,~ PCN 2018R1 S4 ( 12. Procure closure expansion joints for Reactor Buildic.g penetrations as folicws: Penetration Joint Tac No. R-531 DC-U4 R-5', DC-US R-553 WDL-U222 C 225 300

W.O. 255S ))IRCC MILE ISL7"7 UMIT 2 P.C.U. R EVI C'.,' S H EET P.C.S. No. 7 012 P-v I 3'1_ c p l. Y 'l 0 NOY IV

.a t c :__

1. If not accomplished, will plant opera te as intended? (1) Yes No N If no t accomplished, will plant be licensable? (1) Yes No J. If not accomplished, will plant be constructable? (1) Yes Y No 4 If not accomplished, will plant be safe? (1) Yes No 1 If "yes" to 1, 2, 3, and 4 above, is P.C.N. desirable and cost effective? Yes No & ems, lc ' 'yM1A I I - l 3 -75 ~ Signature,' Date c 225 301 state reasons above. W-

s ' f ~~' ' I t.,f/l l

• • ~

r-e r l 2 ~ ~ 1 A8 Al A3 A4 AS A ', l / ~. z [ 88 BZ a3 S4 ES I s", 5. CD CE'1 g54 a i Jbc le4 e st w [s] 7 e io j r-- rm l i.ui a= ~ l e_ .u 5 l

== i 1, t' i o ,r 2 to }13 i na / Use Isx sn i I 3 2 c- : % OCh } OO c3 ) '{ ) a m n ~ I GZ) CID c'2 h A [ . e-K ~ l e CID l l C! ..-T 1 s j =' i l 4 .[ h -- -] g-- O ..EE / tua l '_ 1 . CU bcro i .1 lsa. 0 Q O ZD

fs.

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~ i o o { a s. ~A .o o e )E a Ma - ~ = ca.L Ce i b= 4 m 'd t, .s. ~ ~ tal- "..-cm 7 .w, t' l l i t s o-PANEL - BA p-3 ~., ~. o u m a ( '1 O f * ( # *wy lj v sTWDARp oeer 5.;).YYe.T c 3d a.' 1 PC.rl 2 0 I T R I S9- ^W d a

1 y 1 .l ' ;i !li

t d

iuq iL t s n m a e l t o S o C ev r l o a t r V c d s E am p p p p H f y T e e m m m m e r A R t u u u u t i a 3 L s P P P P n l d P - y e e e e e e n T E S t t t t g g g gV R u M l n n n n a a a a o 3 L A ay a a a a k k k k r B 5 D N s r l l l l a a a a g e 5 W oe o o o o e e e ed z pv o o o o L L L Ll i s R k s o C C C C B r s n i c l l l l u e a D e r r r r a a a ar s r o T R o o o o e e e e o s P 5 N 2 e t t t t S S S S t e 9 9 n t e c c c c c r C 0 0 i sg a a a a A A B B a P R 1 n 1 a aa e e e e 1 2 I 2 e V e V r wk R R R R R m m P D d a P P P P o o L L ae A A B B C C C C o r r D B D C RL I 2 I 2 R R R RT F F W R W R RE OD LO n OC C e d e e r R G R 2 2 E 3 3 F O 2 2 EN 5 5 R 7. 7 0h 0h 3S 3S O N T T T T S S A l I I I H i l G U F F F F F2 F8 A 0 7 8 0 - 1 - 6 T L0 L0L0L0,L1 L1 L1 D2 D1 D1 D1 D1 D7 D7 U7 W7 W7 W7W7 W V s s t t sh h ng ng oi oi t L t L t t t N i ug ug n b n b n O U I hi hi s t st T y u a ua P a P c P c I l i i R 6 p od od C r s wn wn S ox i 0 TI TI E e t e e e e D3 e e e e e D t a2 t t t t 1 t t t 0G t 0G t a i a a a a l8 a a a 3& a 3& a l c - l l l l a l l l - R l - R l p n p p p p t l p p p E p E p e ut e e e e i e e e e h e h e m ni m m m m gd'. m m m Ht m H t m a nn a a a a i o' Y a a a - i a - i a N AU N N N N DM N N N C w N C w N GD W 1 2 3 4 5 7 8 9 0 1 2 3 4 5 6 7 DI 6 1 1 1 1 1 1 1 tCw

a. Z) y]1T ss prL

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i

' ;' ' 2 Ed' $ >- 1 yjEE e20U . j- >e t' s oI - ,E6 !lj S d_,u j es.ha 1 ,2 { 2 o,o aOeso- $O mT{~ ~c2 Na

7. 6 DWG. REFER. COLOR I.D. DESCRIPTION TAG NO. NO. CODE NAMEPLATE b g 18 Ele.c. Vert. Indicator WDL-LI A Level 1207-1 ko 19 Elec.. Vert. Indicator WDL-TI "t Temperature 33 el 1200-1

c. e

) d 20 Elec. Vert. Indicator WDL-PI g Pressure 1202-1 l G g 21 SBM W/R & G Lts (CS-6) WDL-P-9A 3074 Sh.122 g Leakage Transfer Pump WDL-P-9A 3 22 SBM W/R & G Lts (CS-6) WDL-P-9B 3074 Sh.122 b 9 Leakage Transfer Pump WDL-P-9B , u. y" 23 Elec. Vert. Indicator UDL-PI Pressu're $E! 7105 c< o ^ 3 24 Elec. Vert. Indicator WDL-PI i 8 Pressure i e 7106 i if 25 Nameplate in Leakage Cooler WDL-C-1A 1 c ? 26 Nameplate Leakage Cooler WDL-C-1B Qj. C e 27 Elec. Vert. Indicator WDL-TI $g Temperature 7102 50 N ?, E 28 Elec. Flow Recorder WDL-FR Y$ Leakage Cooler Flow to RC Drain Ildr 7100 -o . = -, u f C a 29 C-H E-30 Two Pushbuttons WDL-FHC 3075 WDL-Vill 8 { W/R&G Indicating Lights 7101 Sh. 235 I' b" 30 Nameplate c rf To RC Drain Ildr. A ed 31 Nameplate C DO WDL-Vil19 32 Naneplate u t< Vent to/from RC Bleed llold Up Tanks !d-5 o " " }Eh ~ c 33 C-H E-30 Two Pushbuttons DC-FHS 3075 Red DC-V114 5 5 with R & G Lights 7068 Sh, 233 0 31 c o> >E j-2 ~ c

DUC. l' REFER. COLOR "~ I.D. DESCRIPTION TAG NO. NO. CODE IIAMEPLATE 34 Nameplate RB Pen No. R-539 0 35 Nameplate ~ RB Pen No. R-548 m 36 C-Il E-30 Two Pushbuttons DC-Fils 3075 Green DC V103 g 2

• >/R & G Indicating Lights 7070 Sh. 233 gE e.c 37 C-Il E-30 Two Pushbuttons DC-Fils 3075 Green DC-V115 w/ R&G Indicating Lights 7069 Sh. 233 l

38 SBM W/R & G Indicating DC-P-2A 3075 Leakage Closed Cooling Pump DC-P-2A v 1 i g ' Lights (CS-6) Sh. 231 L L. s E 39 SEM w/R & G Indicating DC-P-2B 3075 Leakage Closed Cooling Pump DC-P-2B I j h Lights (CS-6) Sh. 231 ? 1 E$ 40 C-Il E-30 Two Pushbu tons DC-Fils 3075 Red DC-V96A l g r y W/R & C Indicating Lights 7071 Sh. 234 2 O N i O -l c3 41 C-ll'E-30 Two Pushbuttons DC-Fils 3075 Green DC-V96B l W/R'& G Indicating Lights 7072 Sh. 234' e Ir ,c 42 Nameplate To Decay IIcat Closed Cooling Pump DC-P-1 A {o k 43 Nameplate To Decay lleat Closed Cooling Pump DC-P-1B l m a e 44 Nameplate I

3. ]

Decay lleat Service Cooler DC-C-1A y

• J l

Q [ g[ 45 Nameplate Decay lleat Service Cooler DC-C-1B S 6" d E 46 Nameplate F From Decay lleat Closed Cooling Surge Tank DC-T-1A E 47 Namaplate From Decay lleat Closed Cooling Surge Tank g DC-T-1B p 48 C-Il E-30 Single Pushbutton Annunciator Test T Engraved Test c y S C L71

C 49 Nameplate DC-V104 T

49AU Naneplate O m Flow (gpm) - 20/ Display U Zc r

• 50 O Relay WDL-LY-1207 3075 Sh.235

-S S E W E ' ci A g 6 Ui~

• To be Located at the Rear of Panel I

e

l> W L. e C REFER. COLOR L. 1.D. DESCRIPTION TAG NO. NO. CODE IIAMEPLATE

• 51 Digital Comparator WDL-FS 7107 P
• 52 WDL-FS s

g 7109 { =_ o e R2

• 53.

WDL-FS f 7108 l

• S4

'I VDL-FS 7110 s i c l ( t c o yye eF i E

• To be located at the rear of panel 1

3 g c 4 2 .* The cable between WDL-FIT-XXXX and WDL-FS-XXXX will be suppl. fed by DIGITEC the length is 3' for i g ) o each instrument. y ? I i t 3 L I c n 2 g I f% G e %s } f T U V s s c C ?L r a u l r-l c o e 5 U e, O V r' t ~J r r C r-J l C 1 n as Y (* Qh . w c N t I\\) 6' E LJ7 =n u (#d Ci f f[ C) sodP C' C,

d : E d E F. L'j d O L 9 0 l M E D O K Q l co ryes To: REBredder C O 200 3 G C"J C$ C O 3, E U C" DATE 9-25-75 WRCocean R obbs To G. Capadonno WHagstrom SMcPh e rson F R o F.1 R. E. Dredder pf (2) db SUCJECT W. O. 2555-19 L Three Mile Island Nuclear Station, Unit #2 Reactor Coolant Drain Tank Item 4E-We have reviewed unnumbered calculation entitled, "Radwaste Disposal - Reactor Coolant Leakage Recovery System Analysis" dated June 27, 1975 and have the fo llow i.n g C oNuen t s :

1. The NPSH available is marginal.

Calculations are based oa a K factor of.04 for entrance which should be abcat 0.5. In addition, no allowance was made for velocity head which would be in the order of 1.58 ft. of water for 4" pipe at 400 gpm. T

2. There is a good chance of vortex action with the

{ sucticn pipe located only 3 feet from the surface. The Hydraulic Institute uses one foot of head per 1 fps of velocity. With two pump opera tion, the velocity is in the order of 20 fps. Since the continuous operation of the plant is based on these pumps functioning and the reported fact that it is possible to increase the existing connection on the tank from 4" to 8", it is strongly recommended that the connection be changed. The pump suction as designed is marginal and . violates good design practice. Please revise calculation to show changed connection size and resubmit for approval. (l/gh W: 1 - - R.E. Bredder REB:jh C a c i e

n. t s 4_

225 307

,,,;,u -

v. v =w-~wu w O -ud

( COPIES TO: l S URNS an d R GE, !nc. oara loftsf73 wRCobean I. JCArcher TO R. J. Dobbs ', E REBredderV' OMallon FROM R. T. Richards/M. I. Chaudhry IIKern SUBJECT W.O. 2555-02 RSchlosser Jersey Central Pcwer & Light Company MIchaedhry Three Mile Island PCLin Nuclear Station Unit #2 RT'.i c ha r d s I Reactor Coolant Drain Tank db Study of Vortex Formation and Suppression 7 tont 2f EE

Reference:

1. Task Authorization #T-0033 Dated 9/9/75 2. Richmond Engineering Co., Inc. 's Dag #D71-85 Rev 6 3. Telecon dated. 10/1/75 M. I. Chaudhry to R. L. Schlosser OcuE been completed and our con-The subject study has we clusions and recommendation are set forth below. 1. Conclusions i a. The outlet as presently designed is marginal from (])' as recommended herein will improve the performance and assure the point of view of vertex formation. A minor modification acceptable performance. b. With a design flow of 1000 gpm through the 8" steel pipe (velocity = 9 fps) square end inlet, full pipe flow cannot be satisfactorily established with water level 3 ft. above the inlet centerline. c. The flow characteristics will fall between that of " slug flow" (pipe alternately full and part full or full of an air water mixture) and " full pipe flow, ' It will be close to full. pipe flow. ggt $ g There is a possibility of vortex formation at the g6(gf ,,y ing air into the pipe through the vortices. The 3ff3,6-oR,pis air is detrimental to pump performance in as frf'g %,p';muth.a s,p [ redbEd.,f C ne t fl ow beccmes unstable, unpredictable and possibly v E \\ s\\, 4} L ' /.' A u 1,l1. [fp s ).C(f l ow c h a r a c t e r i s t i c s 'g . P' If t he flcw were limited to 800'gpm (velocity 6.92 are that of " full pipe flow" and %'T',no~ air is expected to enter the pipe with the given inlot \\submercence of 3 feet above the pipe centerline. ?c.N Eot 8 El M 225 308 c-

.s oa YRCM: R. T. Richards/M. I. Chaudhiy Page 2 2. Recommendation We recommend that the design incorporate the vortex suppression arrangement shown in the attached Figures 1 and 2.* ~ Figure 1 c. hows the schematic coanection of the drain pipe with'. the Reactor Coolant Drain Tank. ,]* .[.,

s. c Figure 2a shows the optimum dimensions of the vortex suppression device consisting of a " hood inlet" (angle cut of pipe at entrance) plus an antivortex pl ate mounted on the top of the pipe.

The hood inlet is formed by cutting the circular pipe at an angle and placing the pipe so that the crown projects beyond the invert. 'P q; ;.g.:.- We recommend that the antivortex device be a horizontal plate of the type shown in Figure 2a but a splitter wall of the type shown in Figure 2b would 1so be satis factory. The device shown in Figure 2a is prefr.rre ! ever that of Figure 2b uccause the effect of horizontal plate on antrance loss coefficient is the lowest, and its vorcex inhibit i.,g abil ity is the best. ,5 ,,.) ./gi,f.p.,..,.. . It may be poiuted out that the required hood lengths. ' -l', jy * - .p. equal to 0.750 and 3.5D as shown in Figures 2a and 2b respectively have be determined by researchers to be the m () optimum. Ar.y shcuter nood lengths would tend to require higher priming heads at the inlet and longer lengths would increase the entrance loss cocfficient. RTR/MIC/13 .. ;i . ~ \\* Wh 33 9 I o' e. .l. e 9, .. j!2 5 3 09 r

a,..>ssr-2

v. n.n.n v

c.,,... u Of JWl8"J IE O. _ Calc IJ O. Cheel of 8 y ' /d 6 '#[/O[! Clp,,b o(j ApprOvt tj / f T,tle _]~// EE F hl / / E_ / % d ? M.D UN/ 7~ ~'*:' ? ~ / I $bl/CPY Ol' $flWf h/l/N.?//WN l. _.) wo,ssro vara so/nar-- 2ewa: l\\ ff /~. ZMG: E/C N.M O N D ZWGG Co 's h'G,4' D-7/~ di5 /?.7M d i i resenx cost w - ,4< i Dessa 74ax - t i l l ~ e -e g [ 7[, ad d 4. 8 5 { L eo 1 l lh lj' t-g *,3/,9 0 / //'E - - -l c<uacirca g h wan~ li}I l /< l .fDVf"/d/~/C #^'O t.. i i T-] i i . +i

j. i l

t c-- \\ e s W } ^ [r/ ff,1c70f C'ob//?"7-F~L O W < [ b - /~ DAA/H TsMK i TE ? // I /r ~ -- O en an a. nsweer<ov Uori:cwim ',dersw t7r.c /"Is?i } j. , 3, i Hos2> /xtty ..I ots es Er/37/act Np22/ff,, rs ari S.Fc r/e/V A4 PCN Zol8 RI Sk i i, I i SCHfr/A7~/C C"W Gl' l _..... m,. a - r

., o na 25ss-e? o,e m_v3.z u.,vu nu. e...,. n,, -._ ) 7 Dravvn aj No. Cole. No. She.a of gym _f CN/# ' 9///#F Chrck ed A p pr o ved _f7 % Titte 7/4ff ^ t h '_L' A$d A ^/ D L'/ift.T r/_.2. Arscron Go z siv7-.zwp.~7 mx I Vor frx s*upmerss/os Drwcc Ar /voz2._ r N m ( ) f/)W s s 0 / iyenzaarsi +-an AMf/V6A* 'WX Ng D/ZA/H r // 4"* $ A/oN/psyL 9 ' (- AAW / 7neness =.a, .l.., 's s )f'k' > FL o W l~ O / S'T~ ffcrew L Hsap trasre 1 (a) .Sc// spi r/c sc,Y (Pn ecced Oemyn) t Vrtncaz - O ) ,02,9n 2xrwsstrx G O j l wittz 'r 3 5D rms.rn.% Po N 2 0 lB El S;4- /8 ~ y e Q ') Now I' ~' 2D 3 50 t-f e sr -l- .srcr-(d) (fcs/1~r r/c awt7,) [ A Hu n#vc De r /n ) 2226M12 4

( Page 1 of 2 Burns and Roe, Inc. ~~ Attachment to Pelrine letter TMI Un it No. 2 dated 9/23/75 IICTRUMENT DATA SHEET THERMOCOUPLES 9 Thermo-Electric CR/C grrunded bayonet thermocouple type: 2E2121A. [ID M ['l Range: 0-700 F 1) Quantity: 12 (Twelve) Tag Nos: WDL-TE-7201, 7202, 7203, 7204, 7205, 7206, 7207, 7 08, 7209 1/$"7210, 7211 and 7212 with immersion range 3 -4 Remarks: Thermocouple to thermo-electric drawing 20753 Rev. F Dash 7 Type 2E 2121A. a) Pipe clamp adapter #10949-4-Y for element WDL-TE-7201 - 2 " pipe with 3h" insulation (Quan tity = 1) () b) Pipe clamp adapter #10949-6-Y for element WDL-TE-7202 - I 4 " pipe with 3 insulation (Quantity = 1) c) Pipe clamp adapter #10949-9-Y for elements WDL-TE-7203, 7204, 7205, 7206, 7207, 7208, 7209, 7210, 7211, and 7212 - 6" pipe with 3 insulation (Quan tity = 10). 2) Quantity: 44 (Forty-four) Tag Nos: WDL-TE-7123 through WDL-TE-7166 Remarks: Thermocouple assemble per Dash 7 of thermo-electric draw ing 20753 Rev. F, Type 2E 2121 A w i th immersion range 7 /4 " - 1 1/8". a) Pipe t .mp adapter #10 9-1-Y for elements WDL-TE-7123 thrcugh WDL-TE-7166 - " pipe with no.asulation (Quantity = 44). 3) Quantity 8 (Eight) Tag Nos: WDL'-TE-7113 through WDL-TE 7120 Remarks: Thermocouple assemble per Dash 7 of thermo-electric dr aw ing, Rev. F, Type 2E 2121A with immersion range 3/4" - 1 1/8". .] a) Pipe clamp adapter #10949-2-Y for elements WDL-TE-7113 through WDL-TE-7120 - h" pipe with no insulation. (Quant ity = 8). p c M z o ts a t s 4-225 312 e

e 9 ,<,.,,.9r,..,s e q fm r 1 r.n N r -"J i,.... ' u.,. - 1.

• t a u a '.. J lis A - i.

^ e COPICG YO: E t.9 1-2 I.'.j C 4 2 'a C l O '. T g I '. C a ~ oars 10/29/75 WRCobean RJDobbs YO G. Capodanno GTHarper, Jr. AWHagstrcm F R O r."I J. Donis CTLunson SUCJCCT W O. 2555-02 RSchlosser Jersey Central Power and Light Company JDonis Three Mile Island Nuclear Station Unit #2 pf(2) Systen Classificn tion Changes db N 6YRT. 66 9 p I have reviewed the a t ta ch e.'. memorandum frs-C. T. Lunson and concluded that the lines in quest'on (F.D.2027) have been correctly classified conventional Class "C ". There-fore, you are requasted to revise Flow Diagrams 2024, 2026 and 2034 to reclassify lines interfacing with F.D.

2027, such tha c System Classifications match, i e.

conventional class "C", 0-4, S-II and CL-B. aR. % ye ~, y a ta L ~ O. J. m ?

• tWA-4 C

ed' Rda. o.h.. yfw-w- 42* "R[,w cA*" A ",cly J g.w- \\. , /..

7. Donis b

~ JD/hk Istita ch. PCN ac ts n.t s4 C 225 36 -+-.m ee w e e e

h ") / ~. ' s eq v r - <, (73 : .\\L'1{,qnt.] ~ r, {,.s.. L c. o... v L..s i J. v.uu C O P t.7 G TO : i DOSCJG anc3 QCG,5nc. DATE 10/27/75 b,. R. Cobean, Jr. f G. T. Harper, J r. TO J. Donis C. T. Lunson M. DiLorenzo F l? O f.1 C. T. Lunson SUCJ2cr Flow Diagram 2027, Revision 15 l 66 9)10 Tt wA 3 On the subject flow diagcan, the piping upstream of valve WDL-V22 is classified conventional class "C;'. However, the lines which feed this line f rom flow diagrams 2034 Rav. 16, 2026 Rav. 18, and 2024 Rev. 16 are Nuclear Clasr. N-2 or N-3. Please provide information specffying uhere the classification break should be so that the necessary flow diagrams can be corrected via ECM. - s ps. A.2 ^ rW. 'r ',fme *ne") C. T. Lunson CTL/t.am ~P C M a.o trr a.t s + O J 25 M 4

11Ar:Iloti f > I::,T r :1/c: 8: ! /,Cl " - l l l' 'Cl2 flo: 2018 Re.v. 1 Sucot. 4 Di:;c ipli ne Mech. Eng. Name R. Schlosser b Date 10 Nov. 75 I tem. Dwg Est. eSO' 3 Description of Effort

11. II.

C 1 No input 0 2 Size valves (completed) 2 3 Procure new spring, installation and test services for WDL-R1 6 4 Prepare FCR, procure design / certification from vendor 8 So, 8b, 11 Procure Val'ves 4 Sh Review revised drawings m-24 si l2 Pea e. arc. CD s a..-e. E,, pn 11n TdnTs z Total 9F46 T1Cl.1f3ht..l. S yes no PCN will affect project schedule milestone date 1?CN Will af fcct ovecall project schedu]c _.T f y e r., Oc TI::e

n;.n : t c ec -- i ' i c a ! l ',-

m 2' - n s 3 i.5 1;OTU: To be a L t..n. iie d to a 11 i'Ci;n with :ie ta i i e d bac):-up for estimates exceeding f o r t.y ( ili) manhours and with minimum bacl:-up for entimales c :eecdin:j f o u.- (.1 ) houen.

-. u. s o n i n __1..' T I '.71 8 :- I t / J :l :.. l_i l ' .v )>c); llo : 2 018 R_e..v_ _.1_ _S_u p p l. Discipline; -Mech. En_g. 4 l u9 O 11ame R. Schfosner ~ ,d /1 '- Dat'e 10 17ov. 75 1 tem, IAnj Est. e IJencraption of Ufr ort l-1. 11. 1 No input O 2 Size Valves (completed) 2 3 Procure new spring, ins tallation and test services for WDL-R1 6 4 Prepare FCR, procure design /certifica tion from vendor f 8 So, 8b, 11 Procure Val'ves 4 Sh l Review revised drawings., h 24 12. \\% e.w, CD w.,-s F _(.a,,1 an 13 # % L g c *C// D/D M. D. L. ~ e ~~ Mood 7 f a ic)1.,2&t.7,24.)s3 y 2.C 200 10*1 3/lI( L,2 0 W

• 2d7,V f 7 D$ [

wtTH MMon?ure Oeriry a w q g AS N#75D /s 7p* ir p c g 77y 4 NdS / 7Hil U D Total M 45 fghe ihi l e PCl: will affcet ,^ yes n proj ec t r.che dula mile s tone date ( . l?CH will af fect overall project schedu]c l .Tf ye, de.c j : 7. :,;.,, e t.- ~ -e,e i :,j 1.. S

O7;;.

To be alt..che1 to a11 FClin wit.h :ic ta i 1.c d back -ul, 1oc cctimatee c >:c e c d i n ej f u t t. ; (40) ina nhou r r and wi.th minimum back-u]E/}Igr 3, e s t ima t e ;. c ::c e e d i r..j fouc (.1 ) hourn.

l'ic ).II:CT CliAT:Gl. IlOTICI: !1/s!JilOU l{ CS T J.' IA TI' l '/\\ C K - U l' l'Ct1 l'o: Shl,f t' l g f'

• • ^' $

M c @ n c : t v 5 4: llame C n < es Dalc fl. 2. [. 7 ( item, Dwg pg i Est. e t c., Der.cription of Ef fort j Schec M. 11. Comp. 1 I /' [ gag gf f? JUWDM 'e 0 /[{c.A t gt4 ht w l t I [i#6 1 l t I i 1 l Total g S ch e <1o lo l'Ct1 wi l l a f f ec t yes no project nchedule milestone date [_ l'Ct1 wi.ll affect overall project schedule ~ Jf yen, (Hfine i.r.v:t npreifica11,. j e ??5 317 OTU: To be aLL.iched to a l 1 TClin wi th de tail erl back -up for estimates c >:c c e d i ng fort y ( 10) manhours and with minimum back-uti for en t ima te:. r):ccerli mt f o u.- ( 1) hourn. - =:.. -~ -l~

11/i!.'ll Ol l it 1;.'.T T.' :/ci l: !! /sCl '. - I l l'

pg.

Discipline; ec ( c $! ,[ llame ei5 Date-1i /,3 /7i Item, Dwg Est. 51 0. ccc. Dancription of Effort M. II. c f N Neu s EU 0,1 E.h 20&6 2 7 bN 86 w b 2C17 % W cc m' h7wG g ww.o.> 1) 32 v E u E 'h 20 4 f ~ L ~ Total c.$jic tiii 1 e yes no PCN will affect project schedule, milestone date . INN Fill alfcct ove:rall project cchedule l J f yer, <1e f i ne

;.',c t n g ~ - i ' i c a J 1,.

225'318

OTU

To be li t t..iciie n to ti l 1 i'C l i.- it; th :ic ta t ied back-ul, 1oc estimates e xce e di n'J f o r t.y (>l(i) manhours and with minir; im bach-up f or c :: t.~ r.ia t e u c ::c e c c l i r.:j four (1) hourn.

TilRCC MILE ISINJO UNIT if2 PROJCCT CIIANGQ NOTICE MANTIOt!R CST T!1ATC BACK-UP PT.; No: 20 b y, ) $ttjy/ f M.c &. inet Civ, 7 /5 &uch Name h' l I Ul ?/ WO Date ll '.2L ' I f Item, Dwg No Est. Senec etc Description of Effort a M. 11. Comp. f I Seu mic re n 'e w ancf appro <*/ i of Me new fane/ ci? - f4 lb i ~. i / i Total /g _S ch e d_u l e PCN Will affect project schedule milestone date yes no PCN will affect overall project schedule Jf yes, de fi..c impact specifically t 225 319 ?OTE: To be alloched to a l l PClin wi th detailed back sp for estimates exceeding forty (40) estimatcc exceeding fourmanhours and with minimum back-up for (4) hours.

f.'.'it'.fli 1:_'.l. Ui.C 'i ld T - U I' F /.O l'C Nui 2018 R v. 1 Suppl. 4 U1UCE f I #~ P I"CI ~~' Name R. Schlosser ?7,,_ ? O' (S Date 10 Nov. 75 Item, Dwg Est. eLlo. c. Dancription of Effort M. H. 1 No input 0 2 Size Valves (ccmpleted) 2 3 Procure new spring, installation and test services for WDL-R1 6 4 Prepare FCR, procure design / certification from vendor 8 So, 8b, 11 Procure valves ~ 4 l Dh Review revised drawings 24 I2. f'rac. art. & a f..-e_ E,s p1,,3 d n E (1 5 g ~ Total M 4f .S._c_h e d u l e l'CN will affcet yes nc proj ec t sche dule,mi.c s tone date . INN will affect ove rall project schedu]c Jf ycc, r.le f i ne i: ;.',c t n ; e - i ' i c a l l,- 225'320 .' m... To be a tt.iciieil to il l ; ci;n w i t.): detatied back-up foc estimates exceed 3nij f o r t.,- ( l(i) manhours and with minimum bach-up for entimateu c.c e e d i n:j four ( 1) hourn. ____-=.:.

\\ .1hl:l l o n l> 1:',- - -- --. -------_i r : ;.v. ' i :- l'. ;,r :1.: - t i l ' ) O PCM'Ho: 2018 Re'v. 1 Supol. 4 Discipline'- "2 '-i-Name R. Schlosser II ' k Date 10 Nov. 75 ( Item, Dag Est. eSS: Der,cription of Effort M. 11. 1 No input 0 ~ 2 S'.ne Valves (completed) 2 3 Procure new spring,' installation and test services for WDL-R1 6 4 Prepare FCR, procure design /certifica tion ,from vendor 8 So, 8b, 11 Procure Val'ves 4 Sh ~ .i Review revised drawings 24 I2. P.- u.. r-c. Cla w.. s E.~.71,~.s1a UW L5 .,- 'm ( L btc $9ed 2- ~ f l / i Mug# I Total M 45 Sche (lo l e yes c PCN will a f' f e c t project schedule, milestone date . l?CN _ill affect overall project schedule w { Jf ycc, r.le f i :c i: ;>,c t c e - i ' i c., l l.- 1 ~7 2,[ r-3 J - N OT;;. To be a L L.i c h e il t> cil 1 :' Clin wi th :le ta t ied back-up -oc estimates exceedintj f o r t. ; ( 4 0) manhours and with minimum bach-up for c:: t ima te : c x e c t d i r.:j f o u.- (4) hourn.

11 Alal!Ot f it I:r,T f ! t/c; i: It;se n -11;> 'C11 !!o : ), l) l '/ LEY l fep/c V DLncinLinc: IN3T/2 "/-f FrJ i~/- TI I llame b /4'/ ( nate / /4 TAT i a I i Item, D.ig Est. tio S eLc Dencription CC Ef fort M. II. C $E(JEd b lIN/45dT $N FL C Id 0that:aus 20 i NA}) f ///N fr hUltllASE ( i \\ ~ I_ Total {j S Schetlule yes no PCl2 will affect project schedule milestone date , N . I?Cil will n'~7ct overall project schedule l_ ycc, de fi::e i:,;.n e t 7.rc r i ' i c a l l,- 223 322 Il 0 T U : To be alt.iched tts al1 l'C li n wi cli :le ta t ied back-up for estimates e xce e di n<j C u r t,- ( 10) manhours and with minimum bac. up for ca tima tcc c :ceedi n:j fouc (4) hoorn.

pnnanc c".- 7 t er .~ Jingnun m73 =__y.cv uo ,n no. P-2oig h/ /, J,f r & Discip i,negg.' ARTS P R O G ? > '4 name

--'e.

r A'. =1. Date /'-/2-/? f Item, Dwg Est. Sch e!O. Description of Effort M. H. C c:- I .erform research, cor. tact vendor, acct $mulate ~ documents, prepare Spare Part reccmmendations. ~ ?,< f m ?"~ < n s a e-R~ + ys.r a% ~.r s,e .s N4 Pu rx n <

c. 7:-.e..b.

I 1 l [ -. t 1 1 d

- ~

\\ T'otal [ Schedule - ~ ~ ~ Nes no PCM will affect project schedule, milestone date X j m PCN Mill affect overall project schedule If yes, c'e fi ne i.r rn e t crecifically 225 323 37": To be attached to a l l PCNr. wi th detailed back-up for estimates exceeding fort- (.;0) raa nh ou r s and with mini. mum back-up for es tima tes c>:ccedi n.; fcur ( ;) hou n.

/i' 1 ' ~l, PROJECT CITa:CE ::CTICC (TC ) i j / i e l <f r> rc ::0. 2 n w n., , w.% p. g &,, v+ / /2 W.O. ! o. 2 5 5 5-59 M2- ,d ): listribution L Jchlosser rl/ [V* f)g((&[i1 'Oh. R. N T' 1 j/

sued For Estimate Caly by PE # lJ M XW 'I g/

7/31/75 T Proj. Eng. / '/ rate 'icnt Request ed Change Yes X !!o EAR Deviation Yes oX EAR Ceviatien ::o. Descriction of Chance: A. Change Level Instrumentation on DC-T-1A & DC-T-1B as shown on* attached sketch (F.D.2035). B. Complete Quench Analysis '4DL-T-3 C. Procure Motor Operators for NR-V9A/B and NR-V42A/B Reason for Chance: A. To provide Seismic Class.II subsystem isolation. B.. Initial calculation effort used up. allotted. hours without satisfactory result's C. Valves required to operate under LOCA condition 1 i D o I Instruction Received by R. L. Schlosser From G. Capodanno How Verbal Date 7/31/75 ( Documen te:i: Telegran, T'..*X, Letter. ecc ) J s15/006 Effect on Capital Ocst Estimate? Yes 1:e Approxir.at< A b rount: Effect on P-7 ject Eni .te? Yes !:o Construction Fackage/Frepurchase Specification :'"er Affected: Old Completion Cate !:ew Cc=pletion Cate }*.anhour Estirate: (originator or P.r., checks (X) by Department affected who must ma*cc ranhour esti ate) b1% @ 00ft N M &M H Ou t: ON L 'f Decart ent Initials Decart-ent Initials Osan Coordina:cr........... o I MMeca. c e s i g n..... r-.2# 7 U3 tress.................... O l LJStruct. Cesign...... Ol 0;rvAC Engineering.......... o i OArch. cesign........ oi I *cch. Engineering......... 100 Ifd/ OElec. Design........ a s Er d% OClec. Engineering......... l O ceneral resign...... e.! i A OStruct. Engincering.... Ji C::ucl. Engineering......... Q l OClerical............ f -i 7 I_ Ornstr. Engineering......... / (, i TOTAL DESIC': a CRAFTINC.... Ipt! OPTso.................... A TOTAn :.Ta:2:Cuns EsT:: ATED fui O vroject admin............. A gj, M i _ PROTECT CC::TPACT STATUS 213 %TAL,******.*l l 'f" IS $v?? 1n Contract Scope g RCVCD BY: / ,7 s .J., DA G:. .,b 2

ot in Contract Scope f APPROVED BY:

E'.TE : r cct..anagc:li P. M k' cATu: T I e2-CCsCun - cuwTEr.=;. 5

1 DisCiplinc; '9 hanical .' O ' 2018, Iwv. J nSupQ ~k llarnO o 7_ e41~ er Dato m,n F .,'St~

iten, D. K!

S edO.- Description of. Effort M. H. C AC D A. Prepare Calculation to de,termine low level setpoint for 16 r,,., (489) DC-T-1A/lB Perf or n Quench Analysis '4DL-T-J 6C ADD L. B. (481) nc 3' C. Prepare.,P.O. change to add Motor operators to NR-V9A/B 24 (483) ~and NR-V42A/B. l A l Total 100 .,,,..i. yes no v',11 .c. 10ct Proj ec t r.chc c't:lc pile:s tone date { y "211 affeet o.'e rall proj ec t s ch e d.:l e ~~ y ,.T f y e r., ,:n c ;.. - :.-,..,, <......,c. c y 1,,. .225 325 er ,4 ~ .3 4t. x,- ' t t t. < a..sico t. o al.1 s u: :. w3r.n n,' t s: _i..i.c o o,c s - u p ror c a t s. !a n t e.; II C O U (I j 11tj f o r ;,). (.l (g ) ,,., 3,3 7 3.g.., _ g.3 1

g., ( 1 3 7,, g,,,, g g 3,. g.'., g :3 g.

v'.. t - ' ;i e c:.ce: :1i <.j f c....- (.*, ) h,u r,. 'W ~

~ W.O. 2555 .T11RCC MILE T S LJsM D UMIT 2 P.C.M. REVICh' SIICC_T_ S P.C.N. No.

• 2.01 g Rev, f % p_ f Date:

3uda 9 1. If not acccmplished, will plant opera te as intended? (1) Yes 'A No 2. If not accomplished, will plant be licensable? (1) Yes No N_ 3. If not accomplished, will plant be constructable? (1) Yes X No = 4. If not acccmplished, will plant be safe? 9 (1) 'Yes No /N 5. If "yes" to 1, 2, 3, and 4 above, .s P.C.N. desirable and cost effective? Yes Le-:5 No 0 4: / 7Y$5 m, wwrr Signaturej ~ ' Da te P%' ^ ~T / uG.,Jef -d.,ew s,, _1 ajc) s 4 y,j,C5 T. rs pr Aa erm,~a2 "y wehe(anga_bl.e./sde *3 geu w ; s,g p-ovgj e wt M 's. bu,.% o %t dll o'c Q LES nell.. if wpt.7.3 q. =. cmnblgted ' ( 7 g,'"(13 'S "1 I V W n c m co u,,, g) vi) State reasons above. 'O 'h e ee e e e

q, u. 't e * * ' ' ' ' - * * '8* ' c4 8 > VPL 's BURNS AND ROE,lNC. W.O. NoI l'JS'f-67 Date 30 DLV I9 N Book No. i.,c No. Diawing fJo Calc. No. S N et of By R OCHL3C:YP _ Chec k ed Approved Title E Vcn+) X i i ?< l - c< L me oct: to tw Lc.v 7to l 974 (934) '77 (ow.ccum) l s <- - guy ows. w2, l .- a g i I 1 i I I I l PC.~T~IA l (D c-T-IS) [ / I g I ad 1 w e l Me l v l v j I o t l l o { V I e i I Q 3 i ~l L e.- ~ (,<m gr s s I -~ xa r

1. D 3'

85)

,

1--

1 x 3 i ,s I x 'i Y ta C93 c.e m A Ps h ~ 5Ah ww8,,.)k b u .. _..- r ~ rH a ; _-], C, ,_,n. ~ .3 ~ 7_TO. y gj,,,.y M. C f" 7 w --

l'li').ll:CT ('I f Allt :1. ' tr)T i c i; IllsilllOllit F.1 T J f 1 A l l' 1 ACK-Ill' I'Ctl flo : _26/8 ( y, /.h f A3 Discipline; b !(t 7 (e llame b], CIqw Date h [/ f 77 I ~ l l t.e m. Pf.s g c. Est. e{c. ,,acher Dencription of Effort 14. 11. Comp. g /c o, c n [ x } s bw u n f o

iau I) c, - y gf A $

D G Y 96!.f (/ ghmen!af I^fy Y ins x, g 49 s /s & ^) R -V @^ d y alred ddi y Ler PCh) 2.018 eV I SvA/ L / Total .9 c h e r t o l e l'Ct1 will affect project schedule milestone date g I'CH Will affect overall project schedule Jf ye, r.le f i : ? pae:t n pt, c i e i c., j i.,. 'I 225 328

OTC; To be attocne<1 to a l l pct;n with

ic t a i l cri b ri c k -- u p for c's t-i m a t e s c recc <12 nr1 f o t-t y (,10 ) manhnurs ant) wi th minimu:n bach-up for e n t ima t e:, c.Nec c cl i n: t fou.

(.1 ) hourn.

DiSCiolinc; forh,nical 1 J18, Pev. 1, Sunn.] 4 ' L:' g Namo o 7 cA1-cer Dato _. v..$. inx Item, Dag ESD-c$ DcOcription of. Effort M. H. 1 o 's ~ A. Prepare Calculation to determine low level setpcint for 16 r,. (489) DC-T-1A/13 l Perform Quench Analysis - '@t-T-J 60sWj B. Mu (481) i fr C C. Prepare P.O. change to ddd Motor operators to 'R-V9A/3 24 (483) and :iR-V42A/ B. _ _.., _.. ~ _ _ _... _.. _ 4 7L , d E '// 5 E 9 jpsc 4 6 e s. 4 /gsr /j,ps \\ ,0,u /] b Q G H EiJ T)4 rf.cA) f-J )[, f Total 130'~ ', '.h. yes r.

vil.i. ar cct P:oject r.chc Gule pile:s to:.c date

{ s uill ;.ffect 0.'crall project s ch e c.:l c RY_y c Oc fi n.-

ct s: : - # ^ r e n l l.-

225 329 'O IM il l. l.. ici t e ti i. o si l '2, s'C I; ;; w,i r. h -lis t n i ),c d - ),m ey - u p f o r-e n t iin n t e r. (0:ccedir.,; rocty (.t o) c.,,.,,, h o u : ; a 'O w:. th mini: u:a bach-up for (201i:.d c: c :c e : :l i.<.,-,C c c. r (4) hanrn.

ivo:n,un i..,iiu,. 1 ti a : o i-s ' nu: 20l.[l_Ch.Y l..BUTE 3 u i n c i p l i n,3 MECf^l. ~~~ n;una nCB__ Dalc _ji ~7-76 ____ J Li:in. I r.-zij

1st, e(U*

g 1)i !:c t:i p t i on of 1 [f t) : L

11. 11.

Ccmp .~ 7 o 00r-4 2o 7a -5 lb :/ a T/.e i - 3,., s / e c a, c2 0 's 6' -- G iu:o.r /,j,e;,;- 7g y, i Total r:lic clo 1i-y f' G 11 0 C!1 will affect j >ro j ec t.

cliedu le rulle n tone dale L ___1

.l Cil wj11.i f t c L t ;< r.: 1 1 j i t: o.i t. c t :cle;<!u 1 tf 1[ yn < !,. r.... l .y,,,... ,. 7,. r ;,., j t.,. ~730 ~ 22r3 J g rg 3 D TL. To ), a L t,i,;ii. ci Li, ;I1 ic ii-w i t. l i i

• ta i i :<i b.u k - u j i i< i r. :.,t.t m a 1. c s c >:ci e tli nsi 1 e i r t., ( 10) ina siliou r:. arul villi mi niniti:n bacP.-up for

(? '" l i hi. n l. C C C 7:C s.-( t I k IU,1 [ ( 31. i ( 1) l i 0117 ' '..

JTN;110llR EST J ? IA TE B ACK-11 P . r CH Mo: ?. O i ?> R E.\\/. } 8') P.T 2 Discipline; _ E L O C.T D E (.i (, U x Name R.. $. C, /VT3 Date 2 lIll E~ i Item,-Dwg No. dst. S c. 3 etc. Description of Effort M.H. C o.- I N...LS. MEW-... -C L E M, r o rl M.C 'V A L v s5, P \\ x osa L i N E. 4 DENIG LOP G,.L CC C D j 4 gM EO ON ArGO U E 6L E M.d 9h p n n g 50 C c P G I)'J L G M A'0 E CA M.M Di A G, /O + (L c=\\ft $ ( & J O di T WG-A q PEL g g m f e,6?floM OP GRC G o fit

• ) m 7

pg,s}j~TM10 .$WE llI .... ~... - Total gg (ch o cJu l e 'CN will af fect project schedule milestone date 9N Fill. affect overall project schedule If Yes, define impact specifically n .= e,;

l. D I

2": 40 be attached ~ to all PU;s wi th cletailed back-up for estima tes exceeding forty ( *10 ) manhours and with minimum back-uo fo. e s t-ima tes cNcced ing four (,1 ) hours. m _

== -:- l PROJECT Cim::GE ::CTICE (Ec::) 63 PC:: 1:a. *Ol0 sd T t.O QC f ;. " 'll,4,..'} / :- n. 9A m}l d O W.O. No. 2555-02 stributien M: W. Goldate f- './ ued Fcr Esti-. ate Cnly by PE e n eq u,,,#+.,-- ) Proj. Eng. / Date ent Re:p:ested Change Yes b !!o b SAR Ccviation Yes !!o SAR Deviation ::o. rescription of Chance: 7 Af fects Mech., PTAO, Inst. Elec., Mech..D/D .c 05C. / D f See Attached Sheet ~ = r TMWA --.__ -~ ~ -.. m.ug Frason for Chance: See Attached Sheet yc u@5 o g~ / Instructio: Received by W. Goldate Fro::1 G. Cacodanno y Hm Verba1 Date 7/2/75 ( (Docu=ented: Telegram, T.iX, Letter, etc.) Effect en Capital Cos: Estimate? Yes !?o Approxir. ate Amount: $,' C O CO Sffect on Project End Cate? Yes No Construction Package /Prepurchase Specification :: umber Affected: None 31d Ccepletion Cate y,., n n New Completica Cate ym l'.anhour Estimate: (originator or P.E. checks (X) by Depart =.ent affected who nust make manhour estimate) Decatt ent Initials Decartment Initials ]SAR Coordibator.....,..... b l Q.ech. Cesign........ M ]3 tress....................' (' l LJStruct. Cesign...... O 3WAC Engineering.......... ( '- l 1 CArch. Design........ o' 5!cch. Engineering......... 4 'a O DElec. Design........ a </sT ISlec. Engineering......... /r)o O ceneral Cesign...... / t.i ]Struct. Engineering....... e i OClerica1............ <et 3::ucl. Engincering......... O l 3 Instr. Engineering........ 5' 2. TOTAL DCSIGN & CRAFTl!!G.... 3AM ,3?T& O l 7' 'IOTAL !Z::HCURS ESTI '.ATED F// l 1 Project Admin............. () Voc$ l PRCUECT CC : TRACT STATUS (,f.L -* "/ TOTA '***l l X. IS ~ ^ In Contract Sccpc f P,. J r^ CATE: <) /C 7J h::ot in Contract Scope s , / /, .CVCD BY: y r e, . m -> APPRCVED BY: TE: L[ jcct'mnt, 'r/ Of \\ r 1 , cATC: b4-73 shr J Centua urf2lmmnj.

Burns & Roe, Inc. Attachment to PCN No. TMI - Unit No. 2 July 3 1975 1. Descriction o f Chance Nuclear Services River Water --- Flow Diagram 2033 and associated piping drawings. a) Change system flow elements NR-FE-1756 and NR-FE-1757 from orifice plates to Annubars. Orifice flanges to remain in piping

orifice plates to be cut to pipe TD.

b) Provide motor operators on system valves NR-V9A & NR-V9B. Operators should be capable of jogging the valve to any intermediate position for normal operation. ES signal should be provided to close both valves. See attached Sketch #1. c) Provide motor operators on system valves NR-V42A & NE-V42B. Operators sho21d be capable of jogging the valve to any intermediate position for normal operation. ES signal should be provided to ocen both valves. See attached Sketch #2. 2. Reason for Chance f To adapt the Nuclear Services River Water system to the new requirement that the Decay Heat Closed Cooling Water system operate under normal plant operation. D RCC W system MuST R.ec. el v E i:o vela u) RTE R. To ALL o W o AIM T AM K, (L E AV A4 6 ERATtoN d, o o L I M G o ir R. E A C T c E !. C. o o L A M T 'D C. c o L l W 4 S y :i T C ". 4, 012,1 Q iN 0r L D ESIC, td 0 E-N Si2 W GysTEM t.vAs mat l M T E r4 D E D To h-Q G b H 0 D t4T E R.O.DT CooLIMG. Su BSEQue h 0 D iTto 2 o F Trt E 'P-Q. OT C. o c"-.lN 9 sVI T6M R.EQd 12 EO LE - d A L C t4 L AT t o cJ o i: AMD H.oO li7t c ATt otd5 O h) N r;e. W S y GTG tA. SCcPE op ctthuf E5 cour p N OT 3 6~ 'P 6Ts t2. s t M s g ptT Tt M E OF iss uG OF Fc n) 2.cl8 2M, O. h5das THIS C-ttfrH 4 E I.S P-EQL4t:2-ED To p $ C['Lt6 s aND /tdO O dN T f~0/2. 7tfE NE606 D C/fr!Al(E3 e( l 225 333

no. Disciplinc; Mechanical Name

w. colaaen "h

Dato 7/2/75 Itcm, Dua w ~S c No etc. Description of Effort M. H. C 1- ~~ 1. Revise Flow Diagram 2033 2 2. Review Dwgs. 1 3. Conferences with-other disciplines 1 Total 4 chcch 1

---

..__1

,9 no C1' \\.'111 atiec t proj ec t Sche dule,milc.:s tonc date ] xx Cu.. ' sill affect o.'c rall project schecula Tf l'e r. r.'e f i ::: i:- ::c t x : - s c -- 3 1,, U z / % 225 334 ro t>c , u.. u.h t. d u,,, u rcn n s,.n.n 3,, e., 1.,,, g.,,,,<.x _,, g,,,, c, c g,,, c):cet d a, n<; forty (.! (i) m.inhou n and s, th mi &.m b a'.s e' & c n ti:. t e: c::cc,: :l j n.3 r a u,. (1) ham n. W*

W.O. 2555 TIIREE MILE ISUJ:D UNIT 2 P.C.N. REVIE'.7 SHEET P.C.N. No. Date: 1. If not accomplished, will plant operata gj as intended? (1) Yes No 'i 2. If not acccmplished, will plant be licensable? (1) Yes No 3. If not accomplished, will plant be constructable? (1) Yes No 4. If not accomplished, will plant be safe? (1) Yes No 5. If "yes" to 1, 2, 3, and 4 above, is P.C.U. desirable and cost effective? Yes No 'j / / 7/; 'g - Signature Date C' 't-i sA) State reasons above. 775 22D" JJ

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11. II.

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.I._'l<' ). I I:C T C I T A r :r.. l. ::IJ rI C I M A l;l! O tllt F.S T J iliig l' ACK _tll' .f. ' i Discipline; l'C!l I;o :

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c. 3:c e.c,l i e,. : ren - ( 1) br.ii,.

.HTat() Mo: Discipline; .v.ccr w d _ .a 4 Mame w. col c!a te Date 7/2/75 Item, Dwg edO' ~h t - se Description of Effort M. H. C< 1 1. Ravise Flow Diagram 2033 2 2. Review Dwgs. 1 3. conferences with-other disciplines 1 ) /$e< VI S & f?Y 0 h0GLH" .50,06 TP g m. 0 'o tsu r D OV-i U ~ '~ Total / ^7 f ,, g :. h_e_cM.....__t. proj ec t r.chc c:ule. mile.s tone ciate _.yr-no %.12 uill affect XX ~ " ~- N pill affect o.'erall project s ch e c.:l c I f s_. e g, e c. cl. - :..,.. c. xx ...-. -.. p :: c. 1 1.,, '225 L i: To be ist. L.i c i m d to a l i TCli n w.i r.h ri<' t a i l e d' b,,c k - u p for estimates c >:cc c cli r.<; forty ( !O) c..u S n u r n and w.i th mini:. u:n back-up for c n t i:.; t e :. c.':c. c : d i :.:; fonc (.1 ) hourn. ,a*e4

M At;!!OU is C S T I .'rl' n;.C:~ -U P .Lfjg'* Dicciplinc: ?) S TE U N f t) TA-T*/n Mama . 0 c o'l 7 /2 L)?f Date 4 / Itcm, D.ia Est. S. No* etc Description of Effort M.H. C. r 3 p. 9s /O ?. N.S T llS T 7 5p.105 ECL 3 C '7 0 0 VJ 0, 2 0 2 3 FL o u 0 //} &hpM ~ Tota 1 d'2 c. i.,. c. t,.. 3... yg3 no CD will affect Proj ec t r.chc Cule mile s tone date j 'n 1.'111 n r. _;.c c t e.'erall project cched :10 .T. f s., n.. O. c c.

3. 3..,,;.

72: To be alLocheci to al 1 PClin wi th -i<' tai.~i.eci b.,ck-up for estimates c):cecclii'.r.; forty (.!O) in.u:h ou r n a:ui wi th minj 3um bach-up for e n t i:.. '. c : er:ce: :li:.; f r.u r (.'. ) hourn. ~

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N Go:

~ Name _ JOHN P. CADY, JR. Dato 0/22l75 _-m__,-_- r 1 e Est. j

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1 Total l /O g f.chedule ves no PCN will aff ect project schedule P.ilestone date f [kN PCN Pill affect tverall project schedule "9 l If ven, c'e f i-.e i- ,c. - 3 J < r, c i f i c a l l,,, a=~ r. . - _ -mn - - n _7 2 5 345

CTL To be attached to all TCUs wi th detailed bacP -up for estimates execeding forty (40) manhours and with minimum back-up for estimates exceeding four (4) hours.

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sued For Esticate Jnly by ?E A.

W. MAGSTRO,M /g/, 5/15/75 j Proj. Eng. la Date .ient Request ed Change Yes No SAR Deviation Yes No SAR Deviation No. Descrintien of '~ hance: A f fecta - Mechanical, Electrical, I&C Enam Mech.,Elec. D e'D _ Del.ete. 4 ES Actuated Motor O.oerated Valves from proposed Leakage Closed Cooling portion of Decay Heat Closed Cooling Water System a.s showr on attached ske tch- ( Scoce o f Work is reduced) neason for chanue.:. Double Valve isolation is not requi. red at the interconnections. T,w s Pcio c/L.w Fr.:.C R& D v " T u ~ OF CJ =' M A '- 82 hb Instruction Received by R. L. Schlosser From G. Cacodanno ~ Ha.i Verbal Date May la, 1975 (Docu enced: Tc lo gra., 'Z.G, ~.,c *.t e r, ctc.) Effect en Capital Cost Estirate? Yr.. No Approxi ate A cunt: $ -10,000 Fffect on Project End Cate? Ycc No X Constructicn 'ackac.e/ Pre.nu chase S.cecification Number Affected: Old Cc=pletion Cate New Corpletion Dace 4 F.arhcur Est = ate: (originater or P.S. checks (X) by Depa.rtment affected who r ust make ranhour esti: ate) Ccoartment Initialn Depart =cnt Initials CSAn Cecrdina.cr........... A l QMech. C(sign........ O C 3 tr c s s....................' O LJStruct. Msign...... -N.". CT/AC c n g in t o r in g.......... O t

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Total 'Jg Schedule yes no PCN vill affect project schedule milestone date .PCN Will affect overall pro]ect schedule _I f y e s, define irrect sweific,,11y Y 2,,23 3 5 -,2 ,NOTU: To be a L L.iched to all i'Cri s with detailed back-up for estimates { e xce e d i n<J forty (.10 ) manhcurs and with minimum back-up for ,}}