ML19220C627

Forwards List of Differences Identified from Review of Logic & Activity Descriptions Between Feb & Mar 1975 Issues of Yellow Book

ML19220C627
Person / Time
Site:	Crane
Issue date:	04/07/1975
From:	Gunn W GENERAL PUBLIC UTILITIES CORP.
To:	Robert Carlson NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
TMI-II-1989, NUDOCS 7905110337
Download: ML19220C627 (4)

Text

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[l (fyg GPU SERVICE COR ATION ATTACnyEur A

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P O. B;x 480 f.boie:own, PennsyN a,r 31705 7/ 717-9 '4-7621 April 7, 1975 T'il-II-1939 United States Nuclear Regulatory Commission Directorate of Regulatory Operations Region 1 631 Park Avenue King of Prussia, Pennsylvania 19406 Attn:

Mr. R. T. Carlson, Chief Facility Construction & Engineering Support Branch

Subject:

Three Mile Island Nuclear Generating Station Unit 2 Submittal of Schedular Information

Reference:

AEC Docket No. 50-320 Gentlemen:

Upon receiving the March 1975 " Yellow Book" update, an analysis was cade on the revised logic networks.

The analysis revealed that there were changed descriptions, logic and dates from the preceding months issue.

Attached is a list of the logic and activity descriptions.of specific differences identified from our reveiw Also attached is the Milestone and Activity List, status dated March 31, 1975 which includes date revisions for the current period and all activity dates previously submitted this complete list We sub=it of dates aligned to your February, 1975 issuance, in lieu of atte:npting corrections by exception on the March issuance of the " Yello 4 Book".

Previous submittals of the Milestone and Activity List utiliced a status date which coincided with the project CPM schedule report date.

We have can-ually statused this report since our project CPM schedules are now processed at six week intervals.

do not coincide with the CFM update. Future submittals shall be canually s tatused when they Very truly yours,

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gc'w W. T. Gunn Project Site Manager UTG/CEM/jf cc:

R.C. Arnold w/ encl.

S.A. Folsca v/ encl.

R.U. lieward, J r.

v/ encl. (2) 7 o110 337 C.E. Myers w/ encl.

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Dtd. 4-7-75 e

of dif ferences in logic and description for activities between List 1975 issuances of.he " Yellow Book" network.

the February and March, DESCRIPTION ACTIVITY ISSUE 7060 - 7160 Mar.

Install Containment Liner & Structures Feb.

Install Major Component Structures Install Major Component Structures 7160 - 7300 Mar.

Feb.

Install RPV 7200 - 7150 Mar.

Install RPV Complete Installation of Containment Liner Feb.

7500 - 7515 Mar.

R.C. System Ccid Hydro Test Initinl Fill and Hydro Test of RC System Feb.

Main Feedwater Control Test 7600 - 7625 Mar.

Feb.

Feedwater Control Test (3 Elements) 7600 - 7660 Mar.

Main Coolant Pump Hot riov Test Reactor Coolant Pu=p Hot Flow Tent-Feb.

7015 - 7680 Mar.

Feb.

Should be 7105 - 7680 to eliminate NOTE: Apparently this was an attempt

wo 7105 nodes, however, tais wculd cake two 7015 nodes.

CPCM Cooling Temp. Measurement 7600 - 7695' Mar.

Feb.

CRDM Operational Trip Test Secondary Relief Valve Test 7600 - 7635 Mar.

Feb.

Secondary helief Valve Test (Hydraulic Test)

React.or Butiding Purge Filter Test 0 - 7590 Mar.

F e'o,

Containment Isolation Test l.ctall Condenser & Turbire Generator (0 - 7765) 0 - 7690 Mar.

Reactor Building Purg. Tutter Test Feb.

Radiation Uaste and Monttoring Syste=

7505 - 7895 Mar.

Radiation Uas te and Moni*.oring System Test Feb.

8 n n.1 dor

mnEt ;11LC ISLulD #2 STATUS I) ATE ~

i3's t:mo e r,

Start Comp.

I-J Mumbers

_Stnrt

_Comn.

7805 I-J Humbers LL2!d

__5/76 r

• 7060 7160 Start _

comp.

7810 J /651 A _

_211LF_

• 7160 7300

_g1/71 g, 1/72 3, 0

7570 7520 7/7s E__

_1/75 E

• 7300 7200

_8/71 A_

_3'77 A 7055 7085

_7/76 P_

_7/76 EI 7730

'i / 76 E_

_6/76 C

• 7200 7150 9/74 4, 7600 7635

_ 12/l/n A

_[1/71 A

.7/71 A.

7815 6/76 r

.1/7? A.

5/77 P 7405

_6/76 y

• 7150 7450

_9/73 A_

7090 7105 s/2LE

_1?/77 A_

_1/77 r

• 7450 7500

_1/ 7ttA

_2/76 y 0

7575

_11/73_A

_211Ln 7410 j_1/71 A

_2 /76 E.

_7/77 E_

7600 7655

_1/76 E_

_1/76 E 7820

_10 '7 s E

• 7500 7515 J /7 s F__

_7/77 E

• 7515 7600 lL211

_3 '7 7 E_

7080 7170

_5/77 IL

__5 7 7 _ I; 7413 1/7s L

_7/77 E

• 7600 7700

_3/77 r_

_4 ' 7 7 E_

0 7525

_2/76__E 11/73 A 7835

!d74 A _

_10L76_E

• 7700 7800

_4 / 7 7 E_

_6/77 E_

7245 7325

_6/77 E_

_ L/17J

(

/420

,1] flL.i

.11/76 E

• 7800 7950

_6/77 E_

6/77 E 7025 7230

_9 / 71 (

_7/76gi_8 7735 2114 A 6/77 E

_6/77 E_

_7/77 F, 7230 7335

_17/71 A_

_12L21_A J/M A_

7475 s/7s E

• 7950 7990

_7 77 E

_5/78 E O

7535 A/77 E

_7/77 E O

_7/76 E 7425 11/73 A 7465

_3 76 E_

_3/76 E 7255 7340 7/73 A

_1/76 C 11/7s E 7600 7630 4/77 _C 7740 j2/72 A

_'if 7 7 E

_s/77 E O

7665 5/77 E s/77 E 7430 7/73 A __

,p 77 E 7060 71C5 J 1/71_A 3/72 A_

7125 7350

_1/73 A

_t/76 E_

7600 7625 L5'77 E 7745 5/76 E

_6/77 E 7210 7260 4/75 E 9/75 E 5/77 E_

0 7315 3/74 A s/75 r

__2 / 76 I; 7435 7/74 A 2/77 If 0

7364 11//2 A 2/76 E' 7750 10/75 E 6/77 ii O

7590 5/77 E 7360 7365.

5/73 A~

7030 7100 4/72 A ~

_5 77 E g 7440 6'75 E 12/77E 2/76 E~

1/74 A CJ 7154 11/73 A_

O 4/74 A 7675_

[4/76 E}

_4/76E}

O 7690

[6 / 77 If}

~2/76 i5 7100 7345 1/73 A -

7600 7640 5/77 E 5/77 E 7445 W/'/'Q 5/74 A 6 77 E CJ 7755 9'75 E 6/77 E_

7215 7265

_12/74 A

_12/75 E

/

O 7280 1/73 A 2/76 E C) 7130 1/72 A O

7530.

9/76 E 9/76 E 7075 7095

_12/73 A

_4/77 E

_12/74 A 7600 7645

_4/77 E 6/77 E L' 7595 3/75^]

11/iE O

7115 7470

_7/71 A 7540

,,,4 / 76 E_

4/76 E_

7035 7235 6/ 72 A_

_12/76 E 7825 9/75 E T7 7_.E 7220 7270 O

7510 f/2 A 4/77 E

_2/75 _t

__6/75 E 7765' 3/71 ^_

_12/72 A 7240 7355

_4/72 A__

_10/74 O

7455 595 E 371 E, 0

7545 3/77 E 3/77 E

_1/76 E 7600 7650 6/77 E b/ 7 7 E 7005 TWW 97 C 7040 7110

_2/74 A 4/74 A 7600 7660

=5/77 T 577T T 7015 WE

~97 M 7110 7505-12/73 A II / 71~E

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7225 7275 87?lT -

3/72 A' 7505 7895

~11'15 Y 7050 9/69 A~

[_1/71i 7105 7680 8/76 E 7045 7890

^6/73 A~

~~677 7 11 7060

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_5/77 E ticates Ma_ lor Hilectones imato tal Plant Ready for Fuel Loading.

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Estimated Cc:renercial. Operation Start 7/77

,s Reported Construction */. Completo 3/70

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