ML20099L405

Intervenor Exhibit I-MOSBA-169,consisting of Demonstrative Aid 4 (Rev 950713) Re Dew Point Data,Diesel Air Sys

ML20099L405
Person / Time
Site:	Vogtle
Issue date:	09/21/1995
From:	AFFILIATION NOT ASSIGNED
To:
References
OLA-3-I-MOS-169, NUDOCS 9512280244
Download: ML20099L405 (8)

Text

T /fdOS68 ' /d'7 oJ.H l

DEMONSTRATIVE AID #4 (rnv. 7-13-95)

DO CM E.n.,ED T

p s DEW POINT DATA * -- DIESEL AIR' SYSTEM

'95 0C? 20 P4 :29 DIESEL 1 A D' F T ' '

^ " ~ ' " ~ ' ' '. '.

DEW POINT DATE" MWO DEGREES F INSTRUMENT COMMENTS 1-20-89 1-88-09080 27.3, VP-1114 (CDD 5-2-89) 7-13-88 1-88-02991 Air temp high alarm in but detta T only 1 F for both dryers. Replaced consenser fan motor.

thru Replaced Compressor, Bypassed Fan relay switch, Filled unit with Freon 2-10-89 Installed new Fan cut out switch 2-12-89 1 88-02991 43.9, VP-1114 (CDD 5-2-89)

Air temp. high alarm still in for dryer K02 3-1-89 1-89-01008

,78 Compressor not coming on automatically, fan in a bind.

3-3-89 1-89-01008

,70 Compressor Freon was discharged and then recharged. Purged receiver 3-13-89 1 89-01008

, 53.9 After additional receiver purges.

3-16-89 1-89-00984 22.6, 20.1 VP-1114 (CDD 5-2-89) 5-18-89 1 89-01066 39,78 VP-2466 (CDD 4-4-89)

MWO 1-89-02188 wntten to correct problem with K02 6-21-89:

1-89-02453 48, VP-2722 (CDD 9-2-89)

K02 dryer will be replaced under MWO 1-89-02188 7-07-89 1-89-02188

,48 VP-2721 (CDD 9-2-89) 7-30-89 1-89-02798 43,39 VP-2722 (CDD 9-2-89) 8-24-89 1-89-03214 37,35 VP-2721 (CDD 9-2-89) 9-27-89 1-89-03652 44.5,45 VP-2466 (CDD 3-7-90)

+

s 10-20-89 1-89-04442 38,45 VP-2466 (CDD 3-7-90) h A f 11-20-89 1-89-05007 40,47 VP-2466 (CDD 3 7 90) ff 12-20-89 1-89-06199 40,37 VP-2466 (CDD 3-7-90) eni st 1-18-90 1-89-06445 44,44 VP-2466 (CDD 3-7-90) j 0]Y j

VP-2710 (CDD 3-6-90) o s

2-11-90 1-90-00465 37,37 VP-2466 (CDD 3-7-90) 8 0

O

ea 1i 3-9-90 1 90-00899 61,66 As left Dew Point was out of spec. ef $

jE j

@a

.9 i

3-12-90 1-90-00899 48,45 y"gf,s 3-29-90 1-90-01513 80,60 VP 2466 (CDD 4-7 90)

DC written but rejected by h 5E $

E j., O Q SS who said to write MWO.

li: Eejg 9512280244 950921

" } $ 2 b )l PDR ADDCK 05000424 bsOO O

PDR

t-4-5-90 1 90-01651 84,67 VP-2466 (CDD 4-7-90) 78,77 VP-2466 (CDD 4-7-90) 83,85 VP-2466 (CDD 4-7-90)

• " 4-5-90,18:45-- Diesel Generator 1 A reservoir venting and charging until dewpoint comes into spec. continuing.

4-6-90 1 90-01651 85, 85 VP-2466 (CDD 4-7 90) 85, 85 VP 2466 (CDD 4-7-90) 80,70 VP-2466 (CDD 4-7-90) 80, VP 2466 (CDD 4-7-90)

K02 receiver had been bled by mechanics to inspect vessel 75, VP-1114(CDD 8-3-90) 4-7-90 1 90-01651 75,80 VP-2466 (CDD 4-7-90) 15,33 GE Rental 75,78 VP-1114 (CDD 8-3-90) 4-8-90 1 90-01651 34.2, 33.2 VP-1114 (CDD 8-3-90) 40.3,42.3 FS 3529 Borrowed inst.

35.5, 34 VP-1114 (CDD 8-3-90) 39.2,42.8 FS-3529 Borrowed inst.

4-11 90 1-90-01651 41.3, 36.2 FS3529 Borrowed Inst.

FS3529 has no official 38.5, 35.8 site calibration, not allowed to be used to verify acceptance criteria 5-9-90 1 90-02393 Air Pressure bleeding off Auto drain trap leaking by 5-14-90 1-90-02137 41,43 VP 2721 (CDD 4-10-91) 6-6-90 1 90-02652 12.9,10.6 VP-1114 (CDD 8-3-90) 34.6, 41.4 VP-1114 (CDD 8-3-00)

Sample taken at new point 7-3-90 1 90-03060 47.5, 38.3 VP-1114 (CDD 8-3-90) 8-10-90 1-90-03369 43.1,35.4 VP-1114 (CDD 9-3-90) 8-25-90 1-90-03699 35.7, 37.8 9-27-90 1-90-03937 41.5, 38.3 VP-1296 (CDD 8-17-91) 10-22 90 1-90-04162 37.7, 33.1 VP-1296 (CDD 817-91) 11-20-90 1 90-04399 39.9, 36.4 VP-1296 (CDD 8-17-91) 12-21-90 1-90-04666 38.5, 35.6 i

KEY: Dew points: Dryer K01 (left), Dryer K02 (right)

Bold Dew Point = Out of Specification CDD = Calibration Due Date Maximum Allowable Dew Point is 50 F Minimum Theoretical Value is 32 F

• Data from GPC MWO's & MWO Listing

" Date from GPC MWO's & MWO Listing (Technician initials, dates from work performed block of MWO)

"* Data from Exhibit # 80, " War Room Unit 1 Refueling i

Outage Log, project pa9e 064035 MWO = Maintenance Work Order l

DEMONSTRATIVE AID #4 (rev 7-13-95)

DEW POINT DATA * -- DIESEL AIR SYSTEM DIESEL 1B DEW POINT DATE" MWO DEGREES F INSTRUMENT COMMENTS 1-12-89 1-88-08981 28.7, 27.3 VP-1114 (CDD 4-29-89) 2-24-89 1-89-00822 19,19.1 VP-1114 (CDD 4-29-89)

Previous dew points <32F are incorrect 3-1 89 1-89-00988 45.6, 33.8 VP-1114 (CDD 4-29-89) 3-8-89 1-89-01066

-2, -12 VP-2466 (CDD 4-4-89) 3-22-89 1-89-01066

-15,-27 VP-2466 (CDD 4-4-89) 5-17-89 1-89-01066 47,45 VP-2466 (CDD 4-4-89) 6-21-89 1 89-02459 48,45 VP-2722(CDD 9-2-89) 7-28-89 1-89-02800 47,37 VP-2722(CDD 9-2-89) 8-16-89 1-89-03217 38,41 1

8-22-89 1-89-03314 45,42 VP-2721(CDD 9-2-89) 9-27-89 1-89-03656 47,45 VP-2466(CDD 3-7-90) 10-20-89 1-89-04446 41,44 VP-2466(CDD 3-7-90) 11-13-89 1-89-05009 38,32 VP-2466(CDD 3-7-90) 12-18-89 1-89-06200 37,33 VP-2466(CDD 3-7 90) 1-8-90 1-89-06446 32.32 2-11 90 1-90-00466 37,37 3-9-90 1-90-00900 45, Dryer 2 out of service, could not be tested due to

,47 equip. clearance. Dryer 2 tested 3-12-90 3-29-90 1-90-01514 37,34 VP-2466(CDD 4-7-90) 4-5-90 1-90-01770 84,82 VP-2466(CDD 4-7-90)

DC 1-90-186 written WRT# 08885 wntten 4-7-90 1 90-01770 85,75 VP-2466(CDD 4-7-90) 18,18 GE Rental 80,82 VP-1114 (CDD 8-3-90) i i

J

~

4-8-90 1 90-01770 44.5, 36.6 VP-1114 (CDD 8-3-90) 45.9,40.8 FS3529 FS3529 his no officirl site calibration, not allowed to be used to verify acceptance criteria 4 9-90 1-90-01788 Void, instrument Out of calibration 4-10-90 1 90-01770 42.5,41.4 5-10-90 1 90-02391 Air Pressure bleeding off Auto drain trap leaking by Reworked, MER 6-12-90 1-90-02138 43,43 VP-2721 (CDD 4-10-91) 4 6-22-90 1 90-02901 80.2, 44.2 VP-1114 (CDD 8-3-93)

Dryer K01 found not running 7-21-90 1 90-03216 43.9,41.5 VP-1114 (CDD 8-3-90) 8-14-90 1-90-03585 32.2, 32.7 VP-1114 (CDD 9-3-90) 9-12-90 1 90-03807 46.6,41.5 VP-1296 (CDD 8-17-91) 10-8-90 1 90-04043

-43.5, 46.8 11 9-90 1-90-04257 43.2, 60 VP-1296 (CDD 8-17-91)

K02 fan motor not running, Hold Tag on Systen

,40.6 VP-1296 (CDD 8-17-91)

, 64.4 VP-1296 (CDD 8-17-91)

Dewpoint drifted up.

Found MWO 1-90-04394 written against dryer, dryer inoperable 4

11-7 90 1-90-04394 Installed new fan motor, new compressor, new fan switch, and recharged freon. Receiver blowdown initiated.

11-15-90 1-90-04394

, 60.2 VP 1296 (CDD 8-17-91)

, 70.8 VP-1296 (CDD 817-91) 1 11 23-90 1-90-04394

,46.9 VP-1296 (CDD 8-17-91)

After additional receiver blowdowns 11-26-90 1 90-04515 48.2,44.9 12-31-90 1 90-04870 42.6,40.2 VP-1296 (CDD 8-17 91) 1 KEY: Dew points: Dryer K01 (left), Dryer K02 (right)

Bold Dew Point = Out of Specification l

CDD = Calibration Due Date Maximum Allowable Dew Point is 50 F Minimum Theoretical Value is 32 F

• Data from GPC MWO's & MWO Listing

• • Date from GPC MWO's & MWO Listing (Technician initials, dates from work performed block of MWO)

MWO = Maintenance Work Order

DEMONSTRATIVE AlD #4 (rev. 7-13-95)

DEW POINT DATA * -- DIESEL AIR SYSTEM DIESEL 2A DEW POINT DK E" MWO DEGREES F INSTRUMENT COMMENTS 3-13-89 2-89-01855 45.4,47.7 VP-1114 (CDD 5-2-89) 4-17 89 2-89-02500 50.2, 50.8 VP-1114 (CDD 5-2-89) 6-21-89 2-89-03859

-13.5,-11.5 VP-2722 (CDD 9-2-89)

Values voided 2-89-04592 7-13-89 2-89-04220 35,48 VP-2722 (CDD 9-2-89) 8-1-89 2-89-04592 49,48 VP-2722 (CDD 9-2-89) 8-10-89 2-89-04564 40,40 VP-2722 (CDD 9-2-89) 9-23-89 2-89-04986 43,47 10-20-89 2-89-05436 46,49 VP-2466 11-19-89 2-89-05887 33,33 VP-2466 (CDD 3-7 90) 12-5-89 2-89-06178 Dryers short cycling, Found Supply breaker tripped, Unit continued tripping on high temp Cooling fan not operating, replaced 12-19-89 2-89-06450 42,42 VP-2466 (CDD 3-7-90) 1-22-90 2-89-06680 15,16 VP-2624 (CDD 3-21-90)

Noted Out Of Spec., took readings on freon side of dryer detta T only 12 F, delta P low 1-25-90 2-89-06680 42,44 VP-2466 (CDD 3-7 90) 2-17-90 2-90-00361 49,44 VP-2466 (CDD 3-7-90) 3-2-90 2-90-00282 Compression unit has excessive noise and vibration, fan discovered installed backwards, corrected 3-2-91 3-15-90 2-90-00666 32,35 4-7-90 2-90-00964 85,95 VP-2466 (CDD 4-7-90) 30,30 GE Rental 82,85 VP-1114 ( CDD 8-3-90) 4-8-90 2-90-00964 39.7, 61.4 FS-3529 Borrowed Inst.

43.9, 60.9 VP-1114 (CDD 8-3-90) 4-9-90 2-90-00964

,61.6 VP-1114 (CDD 8-3-90)

,49.6 FS-3529 No site Cat

~

4-10-90 2-90-00964 69.6, 64.1 VP-1114 (CDD 8-3-90) 61.5, 50.9 FS-3529 No Site Cal.

4-11 90 2-90-00964 57.4, 62.6 VP-1114 (CDD 8-3-90)

K01-dew point was taken after Ops. bled 57.2, 54.1 FS-3529 pressure on associated receiver tank and allowed compressor to run (approx 2 hrs.)

No Site Cal. on FS-3529 4-9-90 2-90-01035 High air temp alarm for both 2A air dryers. MWO voided 4-9-90.

j 4-12-90 2-90-01139 Air dryer does not appear to be l

working property. Acceptable reading obtained 4-14-90. MWO voided 4-20-90 4-14-90 2-90-00964 43.8,47.3 VP-1114 (CDD 8-3-90) 5-12-90 2-90-01299 45,43 VP-2721 (CDD 4-10-91) 4 6-7 90 2-90-01786 40.5,44.3 VP-1114 (CDD 8-3-90) 7-3 2-90-02503 46.2,37.3 VP-1114 (CDD 8-3-90) 8-10-90 2-90-03203 35.7, 64.5 VP-1114 (CDD 8-3-90)

Initiated receiver blowdown (not logged)

VP 1114 (CDD 8-3-90)

Recheck failed, WRT 10413 8-25-90 2 90-03648 38.9,41.1 EG&G 10-4-90 2-90-04070 74.1, 84.3 Receiver blowdown initiated 10-5-90 2-90-04070 48.1,48.7 10-22-90 2-90-04858 46.1,46.9 VP-1296 (CDD 8-17-91) 11 20-90 2-90-05297 48.5,46.6 VP-1296 (CDD 817-91) 12-21-90 2-90-05671 Not Provided Not provided a

KEY: Dew points: Dryer K01 (left), Dryer K02 (right)

Bold Dew Point = Out of Specification CDD = Calibration Due Date Maximum Allowable Dew Point is 50 F Minimum Theoretical Value is 32 F

• Data from GPC MWO's & MWO Listing

" Date from GPC MWO's & MWO Listing (Technician initials, dates from work performed block of MWO) i MWO = Maintenance Work Order

l DEMONSTRATIVE AlD #4 (rev. 7-13-95)

DEW POINT DATA * -- DIESEL AIR SYSTEM DIESEL 2B DEW POINT DATE**

MWO DEGREES F INSTRUMENT COMMENTS 3-14-89 2-89-01855 45.4,47.7 VP 1114 (CDD 5-2-89) 3-16-89 2-89-02080 40,43.2 VP-1114 (CDD 5-2-89) 6-20-89 2-89-03858 35,36 VP-2722 (CDD 9-2-89)

Fans in auto, not running 7-16-89 2-89-04219 44,42 8-22-89 2-89-04560 38,40 VP-2722 (CDD 9-2-89) 9-23-89 2-89-04984 45,45 10-20-89 2-89-05435 41,44 VP-2466 11-17-89 2-89-05790 34,38 VP-2466 (CDD 3-7-90)

Initial reading was 17 DC-2-89-1502 12-06-89 2-89-06193 35,50 VP-2466 (CDD 3-7-90)

Initial readings of 7,19 had been improperty converted 01-03-90 2-89-06585 44,47 VP-2466 (CDD 3-7-90)

VP-2623 (CDD 3-6-90) 02-02-90 2-90-00145 45,45 03-02-90 2-90-00560 34,36 VP-2466 (CDD 3-7-90) 04-02-90 2-90-00813 41,44 04-07-90 2-90-01021 75,80 VP-2466 (CDD 4-7-90)

-10,10 GE Rental 85,80 VP-1114 (CDD 8-3-90) 4-8-90 2-90-01021 39.5,44.6 FS-3529 Borrowed inst.

FS3529 has no official site calibration.

33.7,44.4 VP-1114 (CDD 8-3-90) 4-10-90 2-90-01021 39.0,43.2 VP-1114 (CDD B-3-90) 36.3,40.3 FS-3529 Borrowed inst.

5-14-90 2-90-01196 43,45 VP-2721 (CDD 4-10-91) 6-22-90 2-90-02193 32.7, 34 VP-1114 (CDD 8-3-90) 7-21-90 2 90-02891 42.2,49.5 VP-1114 (CDD 8-3-90)

8-14 90 2-90-03446 40.2,44.3 VP-1114 (CDD 9 3-90) 9-12 90 2-90-03866 42.6,47.8 VP-1296 (CDD 8-17-91) 10-7 90 2-90-04432 74.8,43.7 VP-1296 (CDD 817-91)

Receiver b!owdown init.

78.4, VP-1296 (CDD 8-17-91) 10-11-90 2-90-04432 78, VP 1296 (CDD 8-17-91)

Drained 1 gallon water from dryer Wrote DC-2-90-231 10-24-90 2-90-04839 58.9, VP-1296 (CDD 8-17-91) 38.4, VP.1296 (CDD 8-17 91) '

10-26-90 11 05-90 2-90-05015 48,49.5 VP-1296 (CDD 8-17-91) 12-04-90 2-90-05441 49.8,44.5 VP-1296 (CDD 8-17 91)

Informed SE DP close to limit, no action taken 12-31-90 2-90-05798 42,45.1 VP-1296 (CDD 8-17-91)

KEY: Dew points: Dryer K01 (left), Dryer K02 (right)

Bold Dew Point = Out of Specification CDD = Calibration Due Date Maximum Allowable Dew Point is 50F Minimum Theoretical Value is 32 F

• Data from GPC MWO's & MWO Listing

• • Date from GPC MWO's & MWO Listing (Technician initials, dates from work performed block of MWO)

MWO = Maintenance Work Order