ML20083L017

Rev 1 to MP2 EDG Operating Time W/24,000 Gallons Diesel Fuel Oil Available at Continuous Rated Load of 2,750 Kw Fuel Consumption. W/Excerpts from MP2 EDG Fuel Oil Supply Procedures,Epip 4400,Rev 2 & Rev 7 to EOP 2540B & EOP 2528

ML20083L017
Person / Time
Site:	Millstone
Issue date:	08/19/1994
From:	Komosky G, Wells R NORTHEAST NUCLEAR ENERGY CO.
To:
Shared Package
ML20083L007	List: B15220, Forwards Addl Info Requested in NRC Re Proposed Rev to TS Re EDG Fuel Oil Supply Transmitted in . Rev 1 to Calculation 91-BOP-813,ES, MP2 EDG Operating Time W/24,000 Gallons Diesel Fuel Oil... & EOP Pages Also Encl ML20083L017
References
91-MOP-813-ES, 91-MOP-813-ES-R01, 91-MOP-813-ES-R1, NUDOCS 9505150290
Download: ML20083L017 (33)

Text

.

Page 1

of 1

Calculation No:

91-BOP-813-ES Revision No:

01

Title:

MP2 Emeraency Diesel Generator Ooeratina Time With 24.000 cal Diesel Fuel Oil Available at Continuous Rated Load of 2750 KW j

Fuel Consumotion.

Building / System / component Code:

System No. 2346A i

QA Category:

OA Cat 1 Total Pages:

7 Total # of Alphanumeric Revision Pages:

0 Total # of Attachment Pages:

Il (Al - A7)

Total # of Appendix Pages:

b (AP1 - AP14)

Total # of Document Pages:

M Responsible Discipline:

MP2 Desian Enaineerina - Mechanical Reviewing Method: b l Review)

Partial Review (Non-QA only)

Alternate Review 6!(i!i Prepared by:

Ovn.

Date:

Gary E Komosky auf![. /

MM/6/l Date:

6[/9!h/

Reviewed by:

e f

Nk Reviewed by:

Date:

Approved by:

Date:

R;.k W. Wells Quality Software Used and Rev. // Level:

None Date CTP Data Entered:

Sections valved per Section 2.0 (non-QA only):

None hft h P

( '-.. -.

IJ: c g

Padt. 'l oF 7.

c FIGURE 7.5-t Calcalation Checklist icalculation Identifying Number 9l-6DP-%rb -E5 movision el 1.

Preparation Initials 1.1 Section 6.1.2' NSb 1.2.Section 6.1.3 44#

tTAst#4rewraWr$ Nar28Qb.

1.3 Section 6.1.4 6% L 1.4 section 6.4.'6 MM 2.

Verification 2.1 Section 6.2.2.1.

LILT 2.2 Section 6.2.2.2 u6 2.3 Section 6.2.2.3

.Wtr 2.4 Section 6.2.2.4 US 2.5 Section 6.2.2.5 urr i

2.6 Section 6.2.2.6 uf 2.7 Section 6.2.2.7 O/A 2.8 Section 6.2.2.8 1/tr 2.9 Section 6.2.2.9 utf 2.10 Section 6.2.2.10 WA 2.11 Section 6.2.2.11 4LT 2.12 Section 6.2.2.15 4tr 3.

Antroval Initial & Date 3.1 Section 6.3.1 M

l 3.2 Section 6.3.2

@4W 3.3 Section 6.3.3 W/ ( J 3.4 Section 6.3.4 iW I-J 3.5 Section 6.3.5 llit 3.6 Section 6.3.6 V>Mle-J P

4.

Non-OA Antlications Initial & Date 4.1 Section 5.~4 waived

//A 4.2 Section 6.1.4.7 l

waived NA-43 Section 6.2 waived NA

. Basis for Waiver (s),

1 L

1 NEO 5.06 Rev. 6 Page 7.5-1 of 1 s w -s,aso t

,n

)

g.;

HORTHEAST OTILjTIEs SERVICE COMPANY:

g

~

MP2 Emergency Diesel Generator Operating ~aY

'DATE

.. susJacT

~ #1MM Time With 24,,000 Cal'. Diesel Fuel 011 Available, eggo,,y j/C

,47:

At Continuous Rated Load of 2750 KW Fuel cate,no,91-BOP-813-ES ngy, 01 Consumption SHEET NO.

OF 9

i REASON I.QB CHANGE:

This calculation is being revised to include new fuel consumption information obtained from the manufacturer.

The following calculation replaces calculation Section 7B of Revision 00 in its entirety.

Revision 00 is provided at Attachment 8.1.

1.0 ANALYSIS OBJECTIVE To determine the length of time that the Emergency can operate at continuous rated Diesel Generators (EDG) load of 2750KW utilizing only 24,000 gallons of fuel which is the amount of fuel required to be stored by the Unit 2 Technical Specifications.

2.O DESIGN INPUTS i

NU Calculation No. 94-ENG-1095M2, Rev. 00, 2.1 Millstone Unit 2 - Emergency Diesel Generator Run Time.

dated 12 Coltec Engineering Report R5.08-0545 Northeast Nuclear Energy Co. - M111 stone 2 -

2.2 93, Fuel Consumption Rates for Millstone 2 0.P. Diesel Generator Sets.

Provided in Appendix 9.1.-

Standard Practices for Low and Medium Speed 2.3 stationary Diesel and Gas Engines, Sixth Edition, Association,972, Diesel Engine Manufacturers copyright 1 Specification Specification No. 7604-M-160, Rev. 7of Emergency Diesel Genera 2.4 Unit 2.

Millstone' Unit 2 Technical Specification 3.8.1.1, 2.5 dated Dec. 8, 1978.

f(.

9

--c

~ - -

y y

r; 4-

^

qw w ;

NORTHEAST OTit ITits sERYlCE COMPANY g,ei MP2 Emergency iiesel Generator operating N

sy DATE-99Y MON MT DATE

-Ties'With 24,000 Gal.. Diesel Fuel Oil Available eggo,,y

.At Contifiuous Rated Load of 2750 KW Fuel.

cate, no, 91-BOP-813-ES n g y, 01 1

Consumption.

i SHEET NO.

OF 3.0 ASSUMPTIONS 3.1 _Vortexing within'the Day Tanks is not considered' based on the following.

Fuel flow to one EDG has been measured at a flowrate of approximately 4.35 gal / min when.the EDG is fully loaded.

During the LOCA with an LNP the two day tanks are cross-connected.

Therefore, the fuel-flow.out-of each tank would be halved, or 2.18 GPM.-

Per the results of Reference 7.1, vortexing does not occur until a flowrate of approximately 2 GPM and does not have any significant impact on available fuel at a flowrate as high as 3.3 GPM.

Based on the low fuel flowrate observed at full load, vortexing is not considered to be a concern.

3.2 Two EDGs operate-for 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />, then one EDG operates for the remaining length of time.

3.3 The fuel level in the two Day Tanks is at the Tech-Spec Minimum or 132 inches; this level equates to 12,000 gallons of fuel per tank or a total of 24,000 gallons.

3.4 EDG electrical loading is continuous rated load, 2750 KW.

3.5 Per Operating Procedure SP 2613E-1, diesel fuel oil can be accegted wigh an API gravity within the range of 28 to 38.

As recommended by the Engine Manufacturer in Appendix 9.1, the lightest fuel expected should be used; in this case, an API gravity of 38 shall be used.

Also, the Engine 0

Manufacturer recommends using the expected high heating value of the fuel as it will have the i

lowest energ content on a volume basis; in this per Table 4 of Design Input 2.3,0the High case Heating Value for an API gravity of 38 is 19,680 Btu /lb and 137,000 Btu / gallon.

3.6 The Underground Fuel Storage Tank does not contribute to the fuel capacity.

1 4.0 METHOD OF CALCULATION The fuel consumption and timing calculations were performed using standard equations and conversions.. The i

calculations were performed by hand.

l 4

d

~

rn s * -.

j NORTHEAST UTl4Tiss sERYlCE COMPANY wwgn MP2-Emergency Diesel Generator' Operating' gy hh hl4 4M oArg kkM

, Time With 24,000 Gall. Diesel' Fuel 011 Available cHro. sy MLT DATE r

iAt' Continuous Rated Load of 2750 KW Fuel-calc. NO. 91-BOP-813-ES n g y, 01 pasuruption SHEET NO.

OF 5.0 ANALYSIS 5.1 Determine the Fuel Consumption Rate for the continuous. rated load, 1750 KW.

- load is 2750 KW.

- efficiency from The Generator Data Sheet in the EDG Spec, 7604-M-160 for 2750 KW load is 96.5

- to find the Gross KW load, divide KW by Eff:

~

2849.74 = 2850 KW 2750 KW*

=

96.5 t

^

- to convert the Gross Load to Brake Horsepower BHP, divide the Gross Load by 0.746:

3820.38 = 3820 BHP 3 2850 KW

=

O.746

- determine fuel consumption (lb/hr) from Curve No. 1 of Appendix 9.1:

for 3850 BHP, fuel consumption is 1A_6_6 lb/hr-i 5.2 Determine the fuel consumed in gallons per hour:

- determine fuel consumption in Btu per hour by multiplying the High Heating Value of the fuel (Btu /lb) by the fuel consumption rate (lb/hr):

(1468 lb/hr) ( 19,680 Btu /lb) = 28,890,240 Btu /hr 6 Btu /hr 28.8902 x 10

=

- determine the fuel consumed in gallons per hour dividing the fuel rate (Btu /hr) by the high heating value (Btu / gal),

211 cal /hr 6 Btu /hr 28.8902 x 10

=

137,000 Btu / gal j

4 1

l

p 4

NORTHEAST dTILITlss senvice CDMPANY J

-m suaJacT' MP2 Emergency Diesel Generator Operating gy.

h

$!/4 9 DATE p)/d[

Time.With 24,,000 Gal;.. Diesel' Fuel Oil Available egno,gy : tj ta pay,-

At-Continuous, Rated Load of 2750 KW Fuel c4Le, go, 91-30P-813-ES ngy,,

01 Consumption' SHEET NO.~

OF 5.3 Determina how many days that two EDGs can operate for 1-hour, then one EDG can operate with 24,000-s gallons of fuel available:

, (211 gal /hr) (1 hr) + (211 gal /hr) (Y hr).' = 24000' gal 211k gal ='24000 gal - 211. gal

'Y = 23789/211 Y = 112.74 hours8.564815e-4 days <br />0.0206 hours <br />1.223545e-4 weeks <br />2.8157e-5 months <br /> converting to days:

4.6975 days 112.74 hours8.564815e-4 days <br />0.0206 hours <br />1.223545e-4 weeks <br />2.8157e-5 months <br />

=

24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> / day use-4.7 days 6.0

SUMMARY

OF RESULTS Emergency power at Millstone Unit 2 is available for 4.7 days following a LOCA with a loss of normal. power based on the Diesel Generators operating at.the continuous rated. load and expending the tech spec required amount of fuel.

Only one EDG operates for all but the first hour of the 4.7 days; during the first hour, both EDGs are' operating.

No credit is taken for fuel in the underground storage tank or offsite' replenishment.

The effect of an air intake temperature of greater than 90 F has not been considered.

0 s

i O

t

_l

t.

,, w NORTHEAST UTil.]T;ns sERYlCE COMPANY su2 JECT MP2 Emergency Diesel Generatcr Operating h[

hM h ny

e47, Time With 24,.000 Gal'.. Diesel Fuel Oil Available CHKD.BY NI DATE A//

fY

-At Continuous, Rated Load of 2750 KW Fuel CALC.NO. 91-BOP-813-ES R E Y.

01 Consumption sHEETNO.

OF 1

7.0 REFERENCES

7.1 NU Calculation No. 91-004-370M2 Rev. 00, Vortex Formation Within MP2 EDG Fuel 011 Supply Tanks.

7.2 Operations Procedure SP2613E-1, Rev. 05, Diesel Generator Fuel Oil Delivery and Sampling.

8.0 ATTACHMENU NU Calculation No. 91-BOP-813-ES,ing time with Rev. 00, MP2 B.1 Emergency Diesel Generator Operat 24,000 gallons diesel fuel oil available at continuous rated load of 2750 KW fuel consumption.

I 9.0 APPENDICES 9.1 Colt Engineering Report, file no. R5.08-0545, dated 12-16-93, entitled " Fuel Consumption Rates for Millstone 2 0.P. Diesel Generator Sets".

O

1 r --

~

FIGURE 7.2 m DATA BASE INPUTS 1.

NUSCO Calculation Number 91-MP-S(3 -E5 2.

Vendor Calculation Number N6t46 3.

Title in92. EDG-o#E7tATir6 07nE" MTH 7t/,dd5 641, oF 7A(EZ 6/Z VMl(48dI~AT dyDuddy)

CATky 44)40 of 2150 VW Fua OrkUmPnM.

4 1.atest Revision /Date Ol

• i5/f4/44-5.

CCno Nouc 6.

Superseded By M

7.

Plant l

8.

Building / System / Component Code N

9.

Component I.D.

b 10.

QA

)

'1.

Computer Code Used 12.

P.A.#

13. Reference Calc. #

14.

Reference Drawing 15.

Comments 4

NEO 5.06 Rev. 6 so6-s.no Page 7.2-1 of 1

p.-

lf1dUS N S Engine Division d'J.....,i-701 Lawton Avenue Se% Wisconsin 53511-5492 Tekphone:608/364-4411 TeWr.608/364-0382 s

December' 17, 1993 CM.Mt - 66P-T 13-ES Oiv'or PAGE AP1 MPEr4 pix 9,l

. eg g y g wuSco_

PO Box 128 Waterford, CT 06385 Attention: Gary Komosky PSD, Eldg-404

Subject:

Millstone 2 NU PO 890321 Coltec Order 35-734305 Standby Diesel Generators Enclosure (1) Coltec Engineering Report R5.08-0545, dated 12/16/93 Gentlemen:

Enclosure (1) is attached per subject order requirements.

If you have any questions or require additional information, please contact the writer at (608) 364-8424.

Very tru y yours, JA snueg T. M. Stevenson Supervisor Nuclear Parts TMS/dr cc:

W. Martin G. Monahan l

l Cohecindustries' ENGINEERING BEPORT su m I or 2.

'$oY l

s=.e w-n...-o -

M 12.-16-9 3 N

Northeast Nuclear Energy Co. - Millstone 2-g, y 37 G. Menh ERPGsf AM0m uns Fuel Consumption Rates for Millstone 2 0.P.

Diesel Generator Sets M-g U

This engineering report is prepared in response to Northeast Utilities Purchase Order No.

890321 (AIN 11498A).

Northeast' Utilities (Millstone 2) requested a formal engineering report indicating _the fuel consumption rates for the Millstone 2 0.P.

diesel generators S/N 38D872035TDSM12 and S/N 38D875022TDSM12.

I.

BACKGROUND Engine S/N 38DB72035TDSM12 was originally manufactured with a.

turbo-parallel scavenging air system and was factory tested in June of 1972.

Engine S/N 38D875022TDSM12 was built to the turbo-series design and factory tested in 1975.

In 1992, the turbo-parallel engine, S/N 38D872035TDSM12 was overhauled and converted 'to the turbo-series design.

The two engines now have identical builds such that performance and fuel rates of the two engines are expected.to be approximately the same.

II.

ASSESSMENT A. Turbo-Parallel Encine Contract tests were run on the engine S/N 38D872035TDSM12 with the original turbo-parallel design. During the tests, fuel consumption rates were measured at various load conditions.

The measured fuel consumption rates versus brake horsepower load are plotted on curve No. 1.

H

~

B. Turbo-Series Encine

~

During contract tests on the turbo-series design engine S/N 38D875022TDSM12, fuel consumption was measured at the required loads.

Results of fuel consumption plotted versus brake horsepower load are summarized on Curve No. 2.

1 C. Calculation Methodoloov The measurement of fuel consumption was done using the same

. technique for both engines.

The engine load was set using the kilowatt meter.

With the load held constant, a stopwatch was used to measure ther time elapsed while a set weight of fuel was consumed.

The heating value of the fuel, obtained by sample analysis, is multiplied by the fuel rate in pounds per hour to

, determine the fuel consumption'in BTU per hour.

exe.aple:

(1500 LBS/ HOUR)(19893 BTU /LB HHV)

=29.8 x 10' BTU / HOUR (gross) j

.l CAR. 91-sop-1313-Es (2cV ol TME AP1

]

APPENott % \\

pw-we__L

Coltecindustries

• / O PATE 7

. sus W-.

ENGINEERING BEPORT s u rJ_ or J_

.n J

e s..

y Peirt>.nk uer..'

EEsca R5.oB-os45 Engine Divlelon dan 12-16 -13 suzer

,,, Northeast Nuclear Energy Co. - Millstone 2 d.yMenA sr Tm Fuel Consumption Rates for Millstone 2 0.P.

AFP,3,o m Diesel Generator Sets u

To obtain the fuel consumption in units of gallons per hour, the expected high heating value of the fuel must be determined.

For conservatism, the lichtest fuel expected should be considered, as it will have the lowest energy content on a volume basis.

The fuel rate in BTU per-hour (gross) divided by the high heating value in BTU per gallon will yield the fuel consumed in gallons per hour.

example:

29. 8 x 10' BTU / HOUR (orossi = 224 GALLONS /HR 133,000 BTU / GALLON D.

Correction for Ambient Temoerature For, engines running in ambient temperatures where the air intake temperature exceeds 90 degrees Fahrenfeit, the expected fuel consumption is increased.

The established correction for the O.P.

engine is a 0.6% increase in fuel consumption for each degree Fahrenheit that the air intake temperature exceeds 90 degrees Fahrenheit.

For an air intake temperature of 103 degrees Fahrenheit, the correction would be:

(224 GALLONS / HOUR){(103-90)(.006) +1

=

= 241 GALLONS / HOUR III.

SUMMARY

/ CONCLUSION

.The fuel consumption data from the original factory contract tests can be used for calculating fuel storage requirements for operating at any given load.

Data shown on the attached curves is typical for these engines when operating in the "as new" state.

Fuel rates can be expected to decrease from the test floor values as operating hours are accumulated.

To determine the rate of fuel consumption at any given kilowatt load, the generator efficiency must be determined at that load from the efficiency curve at the desired power factor.

The engine brake horsepower load can then be determined and the fuel rate read from the attached curves.

The fuel rate in gallons per hour can then be

. calculated using the procedure outlined in this report and assumino a fuel higher heating value which corresponds with the lightest fuel that can be expected to be procured at the site.

If an air

- intake temperature above 90 degrees Fahrenheit is to be assumed, the fuel rate correction given in Para. II.D. may be applied.

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/\\ssume W85 khv., +ke ssme msus,ptiN mie f M"MZ This is slig y move cot stwative-W

,. ~

'h, Docket No. 50-336 B15220 f

Millstone Nuclear Power Station, Unit No. 2 Request.for Additional Information Excerpts from MP2 EDG Fuel Oil Supply Procedures 4

A May 1995 b

u,

+

MILLSTONE NUCLEAR POWER STATION EMERGENCY PLAN IMPLEMENTING PROCEDURE Event Assessment, Classification, and Reportability EPIP 4400 Rev.2 Approval:

be k '

cect-Vice Presiddnt - Miftstone Station SORC Mtg. No:

[8-# F Effective Date:

[- 8/- [I Level of Use Subject Matter Expert:

General Tom McCance n2 f i, inqqq J

IV' u v

s I

r

,i g

r Procedure and Form Change Request (Sheet 1 of 1).

Section;1: tChange initiationt.

4e -

.wa.w.s_aun

,#3

, m o -

~,

~

.~~-m

~~

( ~

Document Number:

Epip 4400 Revision No.

2 Change No.

2 Document

Title:

Event Assessment, Classification, and Reportability Initiated By:

W. Tom McCance Date:

Basson forChange: Reshaping of the Protection Action Recommendation (PAR) zones for H111 stone Station Cl % LocA lEbc p

- Section 2; jNon--Intent, Change;Appropall

~

Section 2a.

Approval of SORC Member or First Line Supervisor or Above Signature:

M/A Date:

lRJiT~fp~proiaG Section 2b.

Shift Supervisor Approval Signature:

Al/A Non. Intent change logged Date:

. Upon completion of this section, change is effective on an interim basis pending final approval or cancellation not more than 14 days from signature date above.

S. ection 3 i (Instructions for Enter,in,g Change.;,., ::,

~ :

m,.;._

l Replace change 1. Attachment 2. Protective Action Recommendations Table (sheet 2 of 2) (p.%b78 d Ch.

(7. IO f(o2.

Section 4 lintent C n g's R vi.

k

~ ~~

l..-

Qualified Reviewe[r "

AS Signature:

Mj

.b (if required)

Signature:

Section 5(' hox..,.w.p#41De a M _c t

hiew?

a

.m a

._m.:.

i i w.h s'

s s.s..a x.w.w.te, wdx f

3 4

x h,.

Is specific unreviewed safety question evaluation required?

YES NO X Is environmental review required?

YES NO M Is specific safety evaluation required?

.YES NO X Signature:

g'e: /0 /3 // 4 -

t

.section 6 '.7,APPROVA,n E,w., K:

W" <

P w

L

- ~- u..

ana.

ou m.

+>

SORC or PORC Chairman Signature:

)

Meeting Number:

9M MY Approval Date //- } 9 DC 1, Attachment 6 Non-Intent or intent Effective Date:

//~/f' 9 lT Y(T 7% ST 4

j t

Rev. 3 64 of 68 i

~

aa y

l

,3:

LocA e.

p* ;~

'4.8 - Actions' Performed forpss of _Off-Site ' Power Event [+ Ref 6.15),

g L.ocA.c --

Within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> of a4 oss of off-site power event, PERFORM.

t 4.8.1 u

the applicable action:

Unit 1 and 2, EVALUATE the need to order emergency diesel : generator or gas turbine fuel oil to" extend on-site

- capacity _and Go To Section 4.7, " Event Reclassification."-

e

. Unit 3, PLACE an~ order for'. emergency diesel generator fuel and SPECIFY delivery is required within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

l una 3 1

4.8.2 E fuel oil can nat be delivered within the specified time -

PERFORM the applicable action:

a

^

^

E Station Emergency Response Organization has not been activated, PERFORM the following:

1) REQUEST affected unit's Manager of Technical-Support Center to report to the station.

I-

2) Refer To FSAR Table 8.3-1 (pages 5 and 6) and

~'

EVALUATE load shedding alternatives and PROVIDE recommendations.

3) Go To Section 4.7, " Event Reclassification."

i

~ E Station Emergency Response' Organization has been activated, PERFORM the following:

1) Affected unit's Manager of Technical Support Center Refer To FSAR Table 8.3-1 (pages 5 and 6) and j

EVALUATE load shedding alternatives and PROVIDE

/

recommendations.

2) Go To Section 4.7, " Event Reclassification"

-IY NOTE:

d, !

T+ is good prackca lo inhte evalvakeA.4 lo. A. sludha. a phe s, y

o %...l( 1s eedaAnd 4e c nse<ve Eb o ruel o;l,w case i

d e.l g i s d A [ -

u r

EPIP 4400 Level of Use Rev.2 General 10 of 62

.A, y

5. REVIEW AND SIGNOFF N/A

.6. REFERENCES 6.1

" Final Safety Analysis Report Unit 1," Appendix G.

6.2 " Final Safety Analysis Report Unit 2,"' Appendix 12A 6.3 " Final Safety Analysis Report Unit 3," Section 13.3 and 9.5.4 l

6.4 " Millstone Nuclear Power Station Emergency Plan" 6.5 Code of Federal Regulations 10CFR20.403 6.6 Code of Federal Regulations 10CFR30.14 6.7 Code of Federal Regulations 10CFR30.18 6.8 Code of Federal Regulations 10CFR50.72 6.9 Code of Federal Regulations 10CFR50.73 6.10 Code of Federal Regulations 10CFR50, Appendix E 6.11 Code of Federal Regulations 40CFR302 6.12 NUREG-0654, Revision 1, " Criteria for Preparation of Radiological Emergency Response Plans and Preparedness in Support of Nuclear Power Plants" 6.13 NUREG-0737, " Clarification of TMI Action Plan Requirements, Supplement 1, Requirements for Emergency Response Capability" 6.14 EPIP 4404, " Notifications and Communications" 6.15 NRC Memo to J. D. Opeka, Docket 50-423, dated June 7,1993, subject; Design Basis for the Millstone Unit 3 Emergency Diesel Generator Fuel Oil Capacity.

t Level of Use EPIP 4400 General Rn.2 11 of 62 i

r.-

jy f',

f; STATION PROCEDURE COVER SHEET i.

IDENTIFICATION A

Number:

EOP 25408 Rev.

7.

Title:

FUNCTIONAL RECOVERY OF VITAL AUXILIARIES (AC and DC POWER)~

Prepared By:

M. Cote -

- B.-

REVIEW l have reviewed the above procedure and have found it to be satisfactory.

I[ILE SIGNATURE /DATE I[ILE SIGNATURE /DATE DEPARTMENT HEA

/

M N #ff5/7!W/I PWG

~

[

C. - SPECIFIC UNREVIEWED SAFETY OUESTION EVALUATION REQUIRED:

Modifies intent of procedure and changes operation of systems as described in design documents.

YES [ ]

NO [X]

-(if yes, perform written USO determination and Safety Evaluation, and contact Manager, Safety Analysis Branch to determine need for Integrated Safety Evaluation.)

ENVIRONMENTAL. REVIEW REQUIRED (Adverse environmentalimpact)

YES [ ]

NO [X]-

D.

SPECIFIC SAFETY EVALUATION REQUIRED Affects response of safety systems, performance of systems which may have been credited in the safety analysis or non-credited systems which may indirectly affect safety system response.

YES [ ]

NO [X]

i (if yes, coordinate Saf Evaluations and contact Manager, Safety Anal Branch to determine need for Integrated Safety Ev uation.)

E.

INTEGRATED SAFETY EVALUATION REQUIRED YES [ ]

NO [X]

F.

BIENNIAL REVIEW This revision satisfies biennial review requirements.

YES [X]

NO[]

G.

PROCEDURE REQUIRES PORC/SORC REVIEW (In addition to review, items with a YES response must be documented in the PORC/SORC meeting minutes.)

YES []

NO [X]

J H.

PORC/SORC APPROVAL PORC/SORC Meeting Number Biennial Review 2-92-136 i

7 94 i

i 1.

APPROVAL AND IMPLEMENTATION J

The attached cedure 13 hereby approved, and effective on the date below:

.b N <

for 7 92 Sr. VICE PRESIDENT /61 RECTOR - UNIT / SERVICES EFFECTIVE DATE SF301/14/s/DBM/93-53/1of1

a.

N 3

~

f.

' Instructions Contingency Actions AC Power from Diesel Generators C A UTIO N Service water cooling is required to prevent _ diesel generator overheating. Each diesel generator's vital bus must be energized to supply service water.

2.4 Restore AC power using D/G's 2.4 (Refer to Schematic 4.6) 2.4.a. Verify availability of 2.4.a.

D/G by i.

H both diesel generatori i.

No Disabled failed to start, Alarms (local)

Iben dispatch an operator with portable lights and ii.

No Trouble Alarms communications to the (local) diesel room to investigate--

Dr lii.

No Amber Breaker.

E either diesel generator lites (local) starts but it's respective vital bus is not energized, Ihen emergency trip the

- diesel to prevent overheating (C_08) li.

GQ IQ Step 2.3 or 2.5 2.4.b. Start the affected D/G 2.4.b. Continue with this procedure Refer to OP 2346A (C08)

]

2.4.c.

Verify at least one 2.4.c.

Continue with this procedure:

vital AC bus (24C or 1

24D) energized (C08)

Restore AC using D/G J

EOP 2540B Page 7 of 19 Rev. 7 1

Instructionn

' Continnency Actions 2.4.d. Align fire system to 2.4.d. Align RBCCW to instrument air Instrument air compressors compressors (local)

(local) 2.4.e. Start instrument air compressors. Refer to 2.4.e. Entify Unit 1 and open the station air cross-t,ie Instrument Air, OP.

valve to receive instrument 2332B (local) air from Unit 1 (local) 2.4.f.

Prevent backdraft of Unit 2.4.f.

Continue with this procedure.

I stack gases into Unit 2 by the following i.

Open 2-EB-50 (40) and 2-EB-51 (41),

EBFS dampers (C01) ii.

Start A(B) EBFS Fan (C01) lii.

Close 2-EB-55 and 2-EB-56, Condenser Air Removal Fan Discharge to Unit 1 (C06) iv.

Close 2-EB-57, Condenser Air Removal to Unit 2 (C06) v.

Place switches for F-55A and F-55B in "stop" (C06) 2.4.g. Monitor diesel fuel oil 2.4.g. H level falls below 929',

c tank level (C08)

Iban ralAg tank level.

Refer to Diesel Generator, (vet OtI, e p 23%b

]f'

(

l Restore AC using D/G EOP 2540B Page 8 of 19 Rev.7

,4 m

STATION PROCEDURE COVER SHE f A.

IDENTIFICATION Number:

EOP 2528 Rev. 2

Title:

ELECTRICAL EMERGENCY Prepared By: S. K. BRINKMAN B.

REVIEW I have reviewed the above procedure and have found it to be satisfactory.

J TITLE SIGNATURE /DATE TITLE SIGNATURE /DATE

/ /l[f/k1Wrher's Groun M

M

/

s Denartment Head Wrlier's Guide Review

/

hd 0

i%h

/ /2 3 2, -

C.

SPECIFIC UNREVIEWED SAFETY OUESTION EVALUATION REQUIRED:

Modifies intent of procedure and changes operation of systems as described in design documents.

YES [ ]

NO l'p4 (if yes, perform written USO determination and Safety Evaluation, and contact Manager. Safety Analysis Branch to determine need for Integrated Safety Evaluation.)

ENVIRONMENTAL REVIEW REQUIRED (Adverse environmental impact)

YES l l NOlh.

D.

SPECIFIC SAFETY EVALUATION REQUIRED Affects response of safety systems, performance of systems which may have been credited in the safety analysis or non-credited systems which may indirectly affect safety system response.

YES Tp:]

NO [ l (if yes. perform written Safety Evaluation and contact Manager, Safety Analysis Branch to determine need for Integrated Safety Evaluation.)

E.

INTEGRATED SAFETY EVALUATION REQUIRED YES @

NO [ j-F.

BIENNIAL REVIEW This revision satisfies biennial review requirements.

YES y NO l j G.

PROCEDURE REQUIRES PORC/SOM REVIEW (In addition to review. items with a YESyesponse must be documented in the PORC/Sy0 meeting minutes.)

YES[y{ NO l l 11.

PORC/SQRd APPROVAL PORC/S C Meeting Number 7-42-300 1.

APPROVAL AND IMPLEMENTATION The attached procedure is hereby approved, and effective o:1 the date below:

hw "TS L&un I/bl43 W!"

ViCE DIRECTOR GFF8CTIVE DATE SF301/11/s/SES/90-17/lof1

i

_C.

n ;

' ii

'j

(.

I 1:1 FCTRICAL EMERGENCY 1.

J ENTRY CONDITIONS a.

Standard Post Trip Actions have been performed and

~

b.

Plant conditions indicate that an electrical emergency has occurred by one or more of the following i.

Failure of NSST 'to properly transfer to RSST (C08) ii.

" Breaker Tripped" alarms on 6.9 and 4.16 KV buses (C08) iii.

Auto start of diesel generator (s) (C08) iv.

Loss of all RCPs (C03) v.

Reactor trips but half the TCBs indicate open or half have no indication (C04/RPS) vi.

125V DC Trouble Alarms (C08).

Exten'ive loss of various indications vii.

s or A Station Blackout event has occurred, and at least one vital 4160 volt AC bus has been restored.

EOP 2528 Page 1 of 25 Rev. 7

W,A;-

-t

,Y.

[g Instructions Continnency ' Actions pu y C A U TIO N 1.

Before securing a diesel, ensure minimum safety related equipment will continue to operate.

2.

When 24E and 24C (or 24E and 24D) are powered from Unit 1 RSST, do not exceed 3.0 MVA or 460 amps on 14H.

h Refer to Figure 4.6.

2.13 Verifs proper diesel generator

.2.13 Da the following'

. operation a.

Diesel fuel oil supply tank a.

Reolenish fuel oil supply tank.

(day tank) level is greater Refer to Diesel Fuel Oil, than 929c' (C08)

OP 2346B.

b.

Ensure operating limits not b.

If diesel fuel oil supply tank exceeded.' Refer to OP -

(day tank) is less than 92G.

2346A, Diesel Generator Then, do the following i.

Eedur.1 loads on nae diesel generator (C08) li.

Slop within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> (C08) lii.

Align both diesel fuel oil supply tanks to operating diesel (local) -

c.

Utilize power from Unit 1 RSST to energize 24E and 24C (or 24D) to relieve diesel generator operation. Refer to Station Electrical OP 2343 EOP 2528 Pace 12 of 25

~

Rev.7 u

c-l

[

BIILLSTONE NUCLEAR POWER STATION SYSTEh! OPERATING PROCEDURE

/

Diesel Fuel Oil System OP 2346B t

Rev.7 l

Approval:

SM_

y Unit IXrector PORC Mtg. No:

3 Of2 Effective Date:

V 7/4 3 4

Level of Use Subject Matter Expert:

General L. Nelson

(

l 1

J

7..

gg o-4.5' Operation With "A" and "B" Diesel Oil Supply Tanks Cross Tied to.

Supply "A" and "B" Emergency Diesel Generators 4.5.1 ' Refer To Technical Specifications LCO, 3.8.1.1, for facility separation requirements.

4.5.2 UNLOCK and OPEN the following:

Diesel oil supply tanks cross-tie, 2-FO

• Diesel generator engine fuel oil header cross-tie,2-FO-84 4.5.3 WHEN cross-tie is no longer required, CLOSE and LOCK the following:

Diesel oil supply tanks cross-tie, 2-FO-12 Diesel generator engine fuel oil header cross-tie, 2-FO *

- End of Section 4.5 -

(

Level of Use OP 2346B l

General Rev. 7 8 of 11

- - -