Text

Enclosure 1, IP-CALC-11-00058, IP3 Emergency Diesel Generator (EDG) Fuel Oil Consumption Licensing Basis Calculation, Rev 1
	ML12234A251
Person / Time
Site:	Indian Point
Issue date:	02/08/2012
From:	Valerie Myers, Bencivenga J, Bubniak J; Entergy Nuclear Northeast
To:	; Office of Nuclear Reactor Regulation
References
	NL-12-097 IP-CALC-11-00058
	Download: ML12234A251 (57)
	v • d • e

ENCLOSURE 1 TO NL-12-097 IP-CALC-1 1-00058, "IP3 EMERGENCY DIESEL GENERATOR (EDG)

FUEL OIL CONSUMPTION LICENSING BASIS CALCULATION," REV 1.

ENTERGY NUCLEAR OPERATIONS, INC.

INDIAN POINT NUCLEAR GENERATING UNIT NO. 3 DOCKET NO. 50-286

Ag&TTACHMENT 9.2 ENGINEERING CALCULATION COVER PAGE W eet 1 of 2 r- ANO-1 C] ANO-2 C] GGNS C3 IP-2 0 IP-3 C1 PLP ElJAF E] PNPS ElRBS El VY E] W3 El NP-GGNS-3 E] NP-RBS-3 CALCULATION EC # 32406 Page 1 of 25 COVER PAGE Design Basis Caic. [ YES L- NO ; CALCULATION I- EC Markup Calculation No: IP-CALC-11-00058 Revision: 1

Title:

1P3 Emergency Diesel Generator (EDG) Fuel Oil Consumption Editorial Licensing Basis Calculation [I_ YES [Z NO System(s): Review Org (Department):

EDG (Fuel Oil System) Design Engineering Mechanical Safety Class: Component/Equipment/Structure Type/Number:

E Safety / Quality Related I- Augmented Quality Program DE-31 I- Non-Safety Related DE-32 DE-33 Document Type: CALC EDG-31-FO-STNK Keywords (Description/Topical EDG-32-FO-STNK Codes):

Fuel Oil; Consumption EDG-33-FO-STNK EDG REVIEWS Name/Signature/Date Name/Signature/Date Name/Signature/Date J. P. Bubniak - 2 2. J. Bencivenga V. E. Myers Responsible Engineer Design Verifier Supervisor/Approval LI Reviewer ElI Comments Attached LI Comments Attached EN-DC-126 REV 4

ATTACHMENT 9.3 CALCULATION REFERENCE SHEET Page 2 of 25 CALCULATION CALCULATION NO: IP-CALC-1 1-00058 REFERENCE SHEET REVISION: I I. EC Markups Incorporated (N/A to NP calculations)

1. 32406 2.

3.

4.

5.

II. Relationships: Sht Rev Input Output Impact Tracking Doc Doc Y/N No.

1. IP3-CALC-ED-00207 N/A 8 [] 0 N N/A

2. Tech Spec Basis 3.8.1 N/A N/A _ _ C N N/A

3. Tech Spec Basis 3.8.3 N/A N/A (K El N N/A

4. Tech Spec 5.5.12.a N/A N/A 0 L N N/A

5. Duke Prod 9321-01-102-1 N/A N/A EXI 0 N N/A

6. Report MPR-2980 N/A 0 0_ 0 N N/A Ill. CROSS

REFERENCES:

1. See Section 11.0 of calculation for applicable references.

2.

3.

4.

IV. SOFTWARE USED: None

Title:

N/A Version/Release: N/A Disk/CD No. N/A V. DISK/CDS INCLUDED: None

Title:

N/A Version/Release N/A Disk/CD No. N/A VI. OTHER CHANGES: None EN-DC-126 REV 4

ATTACHMENT 9.4 RECORD OF REVISION Page 3 of 25 IP-CALC-11-00058

.Revision.. Record of Revision Initial issue.

0 The following items were added to the scope of the calculation:

A. Three additional fuel oil consumption cases were evaluated:

1. Three EDGs operating continuously for 7 days.

2. Two EDGs operating continuously for 6 days.

3. Three EDGs operating continuously for 6 days.

1 B. Consumptions of fuel oil of specific gravity greater than 0.83, up to 0.89, were evaluated for applicable EDG operating cases.

C. Consumptions of fuel oil in 48 hours5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months and 7 days were determined with EDG operation at 100% rated capacity (1750 kW) throughout the timeframes.

EN-DC-126 REV 4

IP-CALC-11-00058 Rev I Table of Contents 1.0 C over Page ................................................................... 1 2.0 Reference Sheet ......................................................... 2 3.0 Record of Revision ....................................................... 3 4.0 Table of Contents ......................................................... 4 5.0 Purpose ..................................................................... 5 6.0 Results ..................................................................... 6 7.0 Input and Design Criteria ................................................... 9 8.0 Assumptions ................................................................ 9 9.0 Method of Analysis ....................................................... 9 10.0 Calculation ................................................................ 12 1:1.0 References .............................................................. 24 12.0 Attachments List ......................................................... 25 Page 4 of 25

IP-CALC-11-00058 Rev I 5.0 Purpose The primary purpose of this calculation is to determine the amount of fuel oil that would be consumed by the IP3 EDGs operating at the EDG 24 hour2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months maximum loading profile for the 48 hour5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months and 7 day periods currently cited in Technical Specification Basis 3.8.3

[Ref 3]. A secondary purpose is to determine the maximum volumetric fuel oil consumption rate of an EDG operating at a loading of 1750 kW. The results of this calculation will be used as input to establish the EDG fuel oil quantities required to be stored in the EDG Fuel Oil Storage Tanks (FOSTs) and in the reserve tank(s) on site.

Revision 1 was undertaken in response to issues related to proposed future Licensing Basis Document changes. One of the purposes of this Revision is to add the following fuel oil consumption cases to those already evaluated in Revision 0:

1. Three EDGs all operating continuously for an entire 7 day period.

2. Two EDGs all operating continuously for an entire 6 day period.

3. Three EDGs all operating continuously for an entire 6 day period.

Another purpose of Revision 1 is to determine the consumptions of fuel oil of specific gravity greater than the minimum 0.83, up to 0.89, for applicable EDG operating situations.

Lastly, Revision 1 determines the fuel oil consumptions of the EDGs in 48 and 168 hours0.00194 days 0.0467 hours 2.777778e-4 weeks 6.3924e-5 months (7 days) assuming operation at the 100% rated capacity (1750 kW) throughout the subject time periods. In these determinations, no conservatisms are added to account for uncertainties in fuel oil mass usage during initial ALCO diesel testing and for potential effects of Ultra Low Sulfur Diesel (ULSD) on fuel oil heat values.

Background

During the IP3 NRC Component Design Basis Inspection (CDBI) occurring in October 2010, an issue tracked as CDBI Item #99 was raised regarding the accuracy of the Emergency Diesel Generator (EDG) fuel oil usage section of IP3-CALC-EG-00217 Rev 4 [Ref 1]. It was noted that certain inputs that could play a role in the magnitude of EDG fuel oil consumption were not included in the current version of the calculation. The NRC concerns were documented in CR-IP3-2010-03088 [Ref 2]. Furthermore, discussions with an MPR Associates expert on diesel fuel combustion [Ref 9] conducted subsequent to the issuance of the Condition Report confirmed that determination of useable volumes of EDG fuel oil are to be based on the low (net) heat value of the fuel oil. In addition, it must be noted that the current requirement to use Ultra Low Sulfur Diesel fuel oil for EDG operation may also introduce an effect on useable volume determination as explained in Reference 7.

To formally address the CR-IP3-2010-03088 and fuel oil heat value issues, IP-CALC 00011 [Ref 11] was generated to calculate EDG fuel oil consumptions for the accidents /

transients evaluated in IP3 EDG Loading Study IP3-CALC-ED-00207 [Ref 8]. The EDG Page 5 of 25

IP-CALC-11-00058 Rev I loading profile inputs in IP-CALC- 11-00011 were derived from a technically justifiable combination of Reference 8 and Plant Simulator information pertaining to the individual accident / transient being evaluated. The specific loads and the EDG operating durations at these loads varied among the events. The Large Break LOCA, the Small Break LOCA, the Main Steam Line Break, and the Steam Generator Tube Rupture each had a different overall EDG loading profile. Based on the results of IP-CALC- 11-00011, it was concluded that the EDG fuel oil usable volumes cited in Technical Specification 3.8.3 were non-conservative. CR-IP3-2011-03960 [Ref 12] was written to document this finding.

Investigation performed in response to CR-IP3-2011-03960 concluded that the existing procedurally controlled required fuel oil storage volumes, both for the Fuel Oil Storage Tank and the reserve tank, were sufficient to meet the fuel oil consumption requirements of the EDGs as determined in Reference 11. Therefore, no current EDG operability issue was identified. However, it has been recognized that the non-conservative Technical Specification issue has to be resolved in a timely manner, and the determination of applicable bounding usable volumes of EDG fuel oil is a necessary first step in this resolution process.

6.0 Results Note: All fitel oil consumption values determined in Section 10 of this calculationhave been rounded upward to the nearest whole gallon in this Results Section.

6.1 Maximum volumetric fuel oil consumption of an EDG operating at its 100% rated capacity (1750 kW) for 48 hours5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months , with no conservatisms added for ALCO testing result uncertainties and ULSD heat value effects:

Fuel Oil 48 Hr 1 EDG Specific Gravity Consumption (gallons) 0.8300 6257 6.2 Maximum volumetric fuel oil consumptions of one, two, and three EDGs operating at the 100% rated capacity (1750 kW) every day for 7 days , with no conservatismsadded for ALCO testing result uncertainties and ULSD heat value effects:

Fuel Oil 7 Day 1 EDG 7 Day 2 EDG 7 Day 3 EDG Specific Gravity Consumption Consumption Consumption (gallons) (gallons) (gallons) 0.8300 21,900 43,800 65,700 6.3 The following are the Specific Gravity - dependent volumetric fuel oil consumptions of an EDG operating at the 24 hour2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months maximum loading profile for 48 hours5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months , with Page 6 of 25

IP-CALC-11-00058 Rev 1 conservatisms included for ALCO testing result uncertainties and ULSD heat value effects:

Fuel Oil 48 Hr I EDG Specific Gravity Consumption (gallons) 0.8300 6840 0.8348 6799 0.8448 6718 0.8550 6638 0.8654 6560 0.8762 6480 0.8871 6396 0.8900 6376 6.4 The following are the Specific Gravity - dependent volumetric fuel oil consumptions of two EDGs operating at the 24 hour2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months maximum loading profile every day for 7 days, with conservatisms included for ALCO testing result uncertainties and ULSD heat value effects:

Fuel Oil 7 Day 2 EDG Specific Gravity Consumption (gallons) 0.8300 47,878 0.8348 47,592 0.8448 47,025 0.8550 46,467 0.8654 45,919 0.8762 45,357 0.8871 44,771 0.8900 44,631 6.5 The following are the Specific Gravity - dependent volumetric fuel oil consumptions of two EDGs operating at the 24 hour2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months maximum loading profile every day for 6 days, with conservatisms included for ALCO testing result uncertainties and ULSD heat value effects:

Fuel Oil 6 Day 2 EDG Specific Gravity Consumption (gallons) 0.8300 41,038 0.8348 40,794 0.8448 40,307 0.8550 39,829 0.8654 39,360 0.8762 38,877 Page 7 of 25

IP-CALC-11-00058 Rev I 0.8871 38,375 0.8900 38,255 6.6 The following are the Specific Gravity - dependent volumetric fuel oil consumptions of three EDGs operating at the 24 hour2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months maximum loading profile every day for 7 days, with conservatisms included for ALCO testing result uncertainties and ULSD heat value effects:

Fuel Oil 7 Day 3 EDG Specific Gravity Consumption (gallons) 0.8300 71,817 0.8348 71,388 0.8448 70,536 0.8550 69,700 0.8654 68,879 0.8762 68,035 0.8871 67,157 0.8900 66,946 6.7 The following are the Specific Gravity - dependent volumetric fuel oil consumptions of three EDGs operating at the 24 hour2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months maximum loading profile every day for 6 days, with conservatisms included for ALCO testing result uncertainties and ULSD heat value effects:

Fuel Oil 6 Day 3 EDG Specific Gravity Consumption (gallons) 0.8300 61,557 0.8348 61,190 0.8448 60,460 0.8550 59,743 0.8654 59,039 0.8762 58,316 0.8871 57,563 0.8900 57,383 6.8 The following is the maximum volumetric fuel oil consumption rate of an EDG operating at a loading value of 1750 kW, with conservatisms included for ALCO testing result uncertainties and ULSD heat value effects: I 0 141 gallons/hour Page 8 of 25

IP-CALC-11-00058 Rev I 7.0 Input and Desien Criteria

1. Design Input No. I [Value from Ref 4]

EDG loading at 100% nominal rated capacity:

1750 kW

2. Design Input No. 2 [Values from Ref 4 as modified and clarified]:

The EDG 24 hour2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months maximum loading profile:

1/2/hour at 2000 kW (114.3% of nominal rated capacity) 2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 months at 1950 kW (111.4% of nominal rated capacity) 21.5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months at 1750 kW (100.0% nominal rated capacity)

3. Design Input No. 3 [Values from Ref 6, 13]:

Specific Gravity values of fuel oil that are explicitly evaluated in this calculation:

SG = 0.8300; 0.8348; 0.8448; 0.8550; 0.8654; 0.8762; 0.8871; 0.8900

4. Design Input No. 4 [Values from Ref 7 as determined within calc Section 10.1]:

Mass and volumetric net heat values of "reference" fuel oil (ie, non-ULSD) of the specific gravities listed in Design Input No. 3 above:

See Table 10.1 - 1 in Section 10.1 of calculation.

5. Design Input No. 5 [Values from Ref 7 as determined within calc Section 10.1]:

Mass and volumetric net heat values of ULSD fuel oil of the specific gravities listed in Design Input No. 3 above:

See Table 10.1 - 2 in Section 10.1 of calculation.

8.0 Assumptions No assumptions are made in the performance of this calculation.

9.0 Method of Analysis General Design Criterion (GDC) 17, "Electrical Power Systems", of Appendix A, "General Design Criteria for Nuclear Power Plants," to 10CFR Part 50 requires that an on-site electrical power system and an offsite electric power system be provided to permit functioning of structures, systems, and components important to safety. Although IP3 received its operating license from the NRC prior to the General Design Criteria being Page 9 of 25

IP-CALC-11-00058 Rev 1 finalized, it had committed to meeting the intent of the draft GDC. At IP3, the Emergency Diesel Generators (EDGs) represent the on-site electrical power supply source satisfying the intent of GDC 17.

US NRC Regulatory Guide 1.137 Rev 1, "Fuel Oil Systems for Standby Diesel Generators", was issued in October 1979 and included an approach that was acceptable to the NRC staff for complying with the Commission's regulations regarding fuel oil systems for standby diesel generators, ie, the EDGs at IP3. With respect to calculating fuel oil storage requirements, the Regulatory Guide specifically refers to ANSI Standard N 195-1976, "Fuel Oil Systems for Standby Diesel Generators". Section 5.4 of this Standard provides two methods for determining required fuel oil volume:

1.) Calculations based on the assumption that the diesel generator operates continuously for 7 days at its rated capacity.

OR 2.) Calculations based on the time-dependent loads of the diesel generator. For this latter method, the minimum required capacity should include the capacity to power the engineered safety features.

The method chosen for this IP3 fuel oil usage determination is the ANSI N195 Method 1.

The Method 1 calculation is performed with each individual EDG operating at its 100%

rated load capacity of 1750 kW for 48 hours5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months and for 168 hours0.00194 days 0.0467 hours 2.777778e-4 weeks 6.3924e-5 months (7 days).

To obtain conservative results, this calculation is also performed with each individual EDG operating at its maximum permissible 24 hour2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months loading profile every day for up to seven days.

The 24 hour2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months maximum load profile for the IP3 EDGs that is used in the conservative approach is the following:

V2 hour at 2000 kW (114.3% of nominal rated capacity) 2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 months at 1950 kW (111.4% of nominal rated capacity) 21.5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months at 1750 kW (100.0% of nominal rated capacity)

When the operating period being evaluated is less than a full day (<24 hrs), only the time of operation at the lowest loading is reduced as this is conservative for determination of the total fuel oil consumed in the overall specified period of time. For this evaluated situation, the operating time at 1750 kW would thus be less than 21.5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months .

The loading profile stated above differs from the EDG load profile and ratings cited in Technical Specification Basis B3.8.1 [Ref 4]. The Bases state that if the EDG is operated at 2000 kW for /2 hour in 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months , then for the remaining time, 23.5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months , the loading must be limited to 1750 kW or less. The 24 hour2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months maximum loading profile presented Page 10 of 25

IP-CALC-11-00058 Rev I above is conservative for determination of fuel oil usage as it over-estimates the EDG run time at loading of over 1750 kW. I' Original ALCO test data of fuel oil usage by the engines installed at IP3, shown in [Ref 5], provides documentation of the mass consumption in pounds per hour of the EDGs at applicable kW loading values. To permit the extraction of a mass consumption rate corresponding to any kW value within the range of 0 kW to 2000 kW, the Attachment 2 test data was inputted into an EXCEL Spreadsheet. The test data (lb/hr vs kW) was found to closely follow a linear relationship. The Spreadsheet was utilized to graph this relationship for each EDG and a table of lb/hr versus kW values was extracted using the derived curve equation. The graphs and related Table are contained in .

To account for any inaccuracy in the values of the mass consumption data due to EXCEL Program data fit and/or diesel testing methodology uncertainty, the values used in the conservative calculation are increased by 5%. This is deemed to be more than an adequate margin addition to ensure conservative fuel oil usage results since the test data were obtained under controlled conditions. In both the Method 1 and conservative calculation, the ALCO test data pertaining to the highest consuming EDG (# 32) is utilized. A specific fuel usage value represents the total fuel mass consumed per time interval in running the EDG at a defined load, including the amount necessary to lubricate the EDG fuel injector (rack) pump. The mass consumption rates are then utilized to calculate the total pounds of fuel used. This is done by multiplying the rates by the pertinent EDG run time at either 1750 kW or at the kW loads defined in the 24 hour2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months maximum load profile. The result is then used to calculate the total energy in Btu. To determine the bounding required volumetric quantity of fuel oil, the energy content of the lowest specific gravity fuel, oil allowed by Technical Specification 5.5.12.a as implemented through Reference 6 is used in the calculation. This limiting specific gravity is 0.83. However, since TS 5.5.12.a permits fuel oil of specific gravity up to 0.89 to be used in the EDGs, volumetric quantities of fuel oil consumption are determined for specific gravities between 0.83 and 0.89.

Once the total energy in Btu is known, the gallons of fuel oil required to provide this energy is calculated by dividing the energy term by the applicable fuel oil heat value (Btu/gallon). According to Report MPR-2980 [Ref 7] Table 4-2, included in this calculation as Attachment 3, the mass- and volumetric-based heat values of diesel fuel oils relate directly to fuel oil specific gravity. Hence, incorporating the lowest allowed specific gravity into the calculation obtains the greatest volume of fuel oil required. At specific gravities higher than 0.83, the volume of fuel oil required decreases.

I' For determination of limiting EDG volumetric fuel oil usages, the low heat, or net heat of combustion, data in Table 4-2 are applicable. These mass and volume Btu values represent the net energy available in the fuel oil for the EDGs to perform work. The heat released from the condensing of the water inherently present in the fuel oil does not contribute to EDG work [Ref 9] nor does the fuel oil consumed in lubricating the EDG fuel injection (rack) pump.

Page 11 of 25

IP-CALC-11-00058 Rev I Reference 7 evaluated the impact of meeting the Ultra Low Sulfur Diesel (ULSD) rule on the EDG fuel oil heat values described above. It found that in general the heat value of ULSD fuel oil of a certain density was near or exceeded that stated in Table 4-2.

However, a minority of the samples of ULSD fuel that were evaluated exhibited a heat value slightly less than the corresponding Table 4-2 reference value. For the Method 1 calculation, the reference heat values for SG 0.83 fuel oil are used. The conservative calculation accounts for the few lower than reference heat values of ULSD fuel by appropriately adjusting the mass and volumetric heat values in the direction that maximizes volumetric fuel oil consumption. See calculation section 10.1 below for details of how ULSD fuel oil effect on heat values is addressed.

10.0 Calculation 10.1 Determination of Mass and Volumetric Fuel Oil Heat Values In accordance with Tech Spec 5.5.12.a, the relative density of diesel fuel oil acceptable for utilization by the EDGs at IPEC must be in the specific gravity (SG) range of 0.83 to 0.89. A specific gravity of 0.83 correlates to the lowest allowable energy content; I' therefore, it is appropriate to use this SG value in determining the bounding required fuel oil volume. For specific gravity values above 0.83, up to 0.89, the required volumes will be less than the calculated bounding volume since the denser fuel oils have progressively I higher energy content.

Table 4-2 of Reference 7 (see Attachment 3) contains high and low heat values of typical diesel fuel oils. This Table does not explicitly provide a row of data for fuel oil of specific gravity of 0.83 and 0.89. However, linear interpolation of the data in the Table above and below these specific gravities is an acceptable method to obtain the necessary information because the Btu/lb and Btu/gallon values vary linearly with SG within the interval of interest. The mass and volumetric heat values at specific gravities of 0.83 and 0.89 are determined below. Also provided in this Section of the calculation are mass and volumetric heat values for the specific gravities presented in Table 4-2 lying between 0.83 and 0.89.

Specific Gravity 0.83 Fuel Oil Mass Heat Value (Btu/lb) 0.8251 18,510 0.8300 X1 0.8348 18,460 0.8348 - 0.8300 18,460 - X, 0.8348 - 0.8251 18,460 - 18,510 Page 12 of 25

IP-CALC-11-00058 Rev I 0.0048 18,460- X1 0.0097 -50

-0.24 = 179.062 - 0.0097X 1 0.0097Xj = 179.302 X, = 18,484.7 Btu / lb Specific Gravity 0.83 Fuel Oil Volumetric Heat Value (Btu/gal) 0.8251 127,300 0.8300 YJ 0.8348 128,500 0.8348 - 0.8300 128,500 - Y, 0.8348 - 0.8251 128,500 - 127,300 0.0048 128,500 - Y 0.0097 1200 5.76 = 1246.45 - 0.0097Y1 0.0097Y 1 = 1240.69 Y, = 127,906.2 Btu / gal Summary of SG 0.83 Results:

I 0 Mass Heat Value = 18,484.7 Btu / lb S Volumetric Heat Value = 127,906.2 Btu / gal Specific Gravity 0.89 Fuel Oil Mass Heat Value (Btu/lb) 0.8871 18,190 0.8900 X2 0.8984 18,130 I

0.8984 - 0.8900 18,130 - X2 0.8984 - 0.8871 18,130 - 18,190 0.0084 18,130 - X2 Page 13 of 25

IP-CALC-11-00058 Rev I 0.0113 -60

-0.504 = 204.869 - 0.0113X 2 0.01 13X 2 = 205.373 X 2 = 18,174.6 Btu/lb Specific Gravity 0.89 Fuel Oil Volumetric Heat Value (BtuL/gal) 0.8871 134,600 0.8900 Y2 0.8984 135,800 0.8984 - 0.8900 135,800 - Y2 0.8984 - 0.8871 135,800 - 134,600 0.0084 135,800 - Y2 0.0113 1200 10.08 = 1534.54 - 0.0113Y 2 0.0113Y 2 = 1524.46 Y2 = 134,908.0 Btu / gal Summary of SG 0.89 Results:

Mass Heat Value = 18,174.6 Btu / lb S Volumetric Heat Value = 134,908.0 Btu / gal Table 10.1 - 1: Mass and Volumetric Net Heat Values for Fuel Oil of Specific Gravities Between 0.83 and 0.89 as Determined Above by Linear Interpolation and as Specifically Listed in Table 4-2 of Reference 7 Specific Gravity Mass Heat Value Volumetric Heat Value (Btu/lb) (Btu/gallon) 0.8300 18,484.7 127,906.2 0.8348 18,460.0 128,500.0 0.8448 18,410.0 129,700.0 0.8550 18,360.0 130,900.0 0.8654 18,310.0 132,100.0 0.8762 18,250.0 133,300.0 0.8871 18,190.0 134,600.0 0.8900 18,174.6 134,908.0 Page 14 of 25

IP-CALC-11-00058 Rev I As of December 2010 [Ref 10], all diesel fuel oil produced domestically for non-road use (ie, in the EDGs and other diesels at IPEC) and supplied to IPEC had to meet the Ultra Low Sulfur Diesel (ULSD) standard in which the sulfur concentration within the fuel oil must be held to 15 ppm or less. An evaluation of the utilization of ULSD fuel oil for EDG operation was performed in 2006 as documented in Reference 7. The evaluators found that the heat values of a set of randomly selected samples of ULSD oil were generally higher at a given density than the reference values presented in Table 4-2.

However, there were a few tested cases where ULSD oil heat values were as much as 1.14% lower than the reference values. To maintain conservatism in the determination of the bounding fuel oil quantities required to operate the IP3 EDGs, the mass and volumetric heat values cited in the table above are appropriately adjusted by 1.5%. To obtain the maximum requisite volume, the mass heat value is increased by 1.5% while the volumetric heat value is decreased by 1.5%. An example of this heat value adjustment process applied to fuel oil of SG 0.83 is shown below:

SG 0.83 Fuel Oil Net Heat Values Adjusted for ULSD Fuel

" Mass Heat Value = 1.015 x 18,484.7 = 18,762.0 Btu / lb

" Volumetric Heat Value = 127,906.2 - (127,906.2 x 0.015) = 125,987.6 Btu / gal Table 10.1 - 2: Mass and Volumetric Net Heat Values for Fuel Oil of Specific Gravities Between 0.83 and 0.89 Adjusted Conservatively for ULSD Content Specific Gravity Mass Heat Value Volumetric Heat Value (Btu/Ib) (Btu/gallon) 0.8300 18,762.0 125,987.6 0.8348 18,736.9 126,572.5 0.8448 18,686.2 127,754.5 0.8550 18,635.4 128,936.5 0.8654 18,584.7 130,118.5 0.8762 18,523.8 131,300.5 0.8871 18,462.9 132,581.0 0.8900 18,447.2 132,884.4 10.2 Method 1 Determination of Fuel Oil Usage in 48 Hours of EDG Operation

[100% Rated Capacity Run with Testing and ULSD Heat Value Conservatisms NOT Included]

From the Reference 5 certified test data, EDG 32 (Serial Number 9735) consumes the greatest amount of fuel oil mass relative to a specific loading value. Therefore, it is appropriate to use EDG 32 consumption data for this calculation. As mentioned in the Method of Analysis section (9.0), for the Method 1 calculation the mass consumption values from the ALCO EDG testing are not increased by 5% nor are the heat values adjusted for ULSD oil content.

Page 15 of 25

IP-CALC-11-00058 Rev I presents in graphical and tabular form the mass consumption data derived from Reference 5 for all three EDGs.

At 1750 kW, the mass consumption rate of EDG 32 is 901.3 lb / hr. Rounding this result upward to the nearest whole number yields 902 lb / hr.

0 Fuel oil mass used in 48 hrs:

48 hrs x 902 lb / hr = 43,296 lb

Total energy contained in this mass of SG 0.83 fuel oil:

43,296 lb x 18,484.7 Btu/ lb = 800,313,571.2 Btu

Gallons of SG 0.83 fuel oil needed to provide this amount of energy:

800,313,571.2 Btu + 127,906.2 Btu / gal = 6,257.0 gallons 10.3 Conservative Determination of Fuel Oil Usage in 48 Hours of EDG Operation

[Maximum Loading Profile Run with Testing and ULSD Heat Value Conservatisms Included]

EDG run times for the 48 hour5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months period at the specified loadings are the following:

1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months at 2000 kW 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months at 1950 kW 43 hours4.976852e-4 days 0.0119 hours 7.109788e-5 weeks 1.63615e-5 months at 1750 kW The above profile is based on the previously defined EDG 24 hour2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months maximum loading profile being repeated twice. From a fuel oil consumption perspective this is conservative since in reality for any accident scenario with Loss-of-Offsite-Power (LOOP), EDG loading would not exceed 1750 kW after the first 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months of the event [Ref 8].

As stated in Section 10.2, according to ALCO test data EDG 32 (Serial Number 9735) consumes the greatest amount of fuel oil mass relative to a specific loading value.

Therefore, it is conservative to use EDG 32 consumption data for this calculation.

To account for any uncertainty in fuel oil consumption rate during initial EDG testing, in this conservative calculation the 2000 kW, 1950 kW, and 1750 kW mass consumption rates for EDG 32 are increased by 5% from the values in the Attachment 1 table.

At a load of 2000 kW, the extrapolated test data show a fuel oil mass consumption rate of 1019.2 lb / hr. At 1950 kW, the data show a mass consumption rate of 995.6 lb / hr. At Page 16 of 25

IP-CALC-11-00058 Rev 1 1750 kW, the mass consumption rate is 901.3 lb / hr. Increasing each of these values by 5%, and rounding the result to the nearest whole number, yields the following:

2000 kW: 1070 lb / hr 1950 kW: 1045 lb / hr 1750 kW: 946 lb / hr 0 Fuel oil mass used in 48 hrs:

1 hr x 1070 lb / hr = 1,070 lb 4 hrs x 1045 lb / hr = 4,180 lb 43 hrs x 946 lb / hr = 40,678 lb Total Mass = 45,928 lb

Total energy contained in this mass of SG 0.83 fuel oil:

45,928 lb x 18,762.0 Btu / lb = 861,701,136 Btu

Gallons of SG 0.83 fuel oil needed to provide this amount of energy: ii 861,701,136 Btu + 125,987.6 Btu / gal = 6,839.6 gallons or -6,840 gallons 48 hour5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months volumetric usages of fuel oil for the other specific gravities and heat values cited in Table 10.1 - 2 can be obtained by utilizing the same approach as above. The total mass of fuel oil consumed in 48 hours5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months would be maintained constant since that is directly dependent on the ALCO test data and EDG load profile while the heat values would vary with the corresponding specific gravity. The analytical work and results are shown in Table 10.3 - 1 below.

Table 10.3 - 1 Fuel Oil Consumptions for 48 Hour EDG Operation of ULSD Fuel Oils of Varvina Specific Gravity I Specific Gravity Calculation Result (gallons) 0.8348 [45,928 x 18,736.9] / 126,572.5 = 6798.9 0.8448 [45,928 x 18,686.2] / 127,754.5 = 6717.7 0.8550 [45,928 x 18,635.4] / 128,936.5 = 6638.0 0.8654 [45,928 x 18,584.7]/ 130,118.5 = 6559.9 0.8762 [45,928 x 18,523.8] / 131,300.5 = 6479.5 0.8871 [45,928 x 18,462.9] / 132,581.0 = 6395.8 0.8900 [45,928 x 18,447.21 / 132,884.4 = 6375.8 Page 17 of 25

IP-CALC-11-00058 Rev I 10.4 Method 1 Determination of Fuel Oil Usage of One and Two EDGs Operating for 7 Days [100% Rated Capacity Run with Testing and ULSD Heat Value Conservatisms NOT Included]

e Fuel oil mass used in 168 hrs (7 days):

168 hrs x 902 lb / hr = 151,536 lb

Total energy contained in this mass of SG 0.83 fuel oil:

151,536 lb x 18,484.7 Btu / lb = 2,801,097,499 Btu

Gallons of SG 0.83 fuel oil needed to provide this amount of energy:

2,801,097,499 Btu + 127,906.2 Btu / gal = 21,899.6 gallons or -21,900 gallons Since the current and future licensing basis requirement in Reference 3 is that two EDGs are available to supply power for the 7 day operating duration; the above fuel oil volume result must be doubled.

Gallons of SG 0.83 fuel oil necessary to operate two EDGs for 7 days at the 100% rated capacity:

21,900 gallons x 2 = 43,800 gallons 10.5 Conservative Determination of Fuel Oil Usage of One and Two EDGs Operating for 7 Days [Maximum Loading Profile Run with Testing and ULSD Heat Value Conservatisms Included]

f EDG run times for the 7 day (168 hours0.00194 days 0.0467 hours 2.777778e-4 weeks 6.3924e-5 months ) period at the specified loadings are the following:

3.5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months at 2000 kW 14 hours1.62037e-4 days 0.00389 hours 2.314815e-5 weeks 5.327e-6 months at 1950 kW 150.5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months at 1750 kW The previously defined EDG 24 hour2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months maximum loading profile is conservatively repeated seven times in determining the fuel oil consumption in 7 days. The same fuel oil consumption rates for each EDG load value that were used in Section 10.3, with the 5% J margin increase included, are applied in this calculation.

Fuel oil mass used in 168 hrs (7 days):

3.5 hrs x 1070 lb / hr = 3,745 lb 14 hrs x 1045 lb /hr= 14,630 lb 150.5 hrs x 946 lb / hr = 142,373 lb Page 18 of 25

IP-CALC-11-00058 Rev I Total Mass = 160,748 lb

Total energy contained in this mass of SG 0.83 fuel oil: II 160,748 lb x 18,762.0 Btu / lb = 3,015,953,976 Btu

Gallons of SG 0.83 fuel oil needed to provide this amount of energy: II 3,015,953,976 Btu + 125,987.6 Btu / gal = 23,938.5 gallons or -23,939 gallons Since the current and future licensing basis requirement in Reference 3 is that two EDGs are available to supply power for the 7 day operating duration; the above fuel oil volume result must be doubled.

Gallons of SG 0.83 fuel oil necessary to operate two EDGs for 7 days at II the stated maximum loading profile:

23,939 gallons x 2 = 47,878 gallons 7 day volumetric usages of fuel oil for the other specific gravities and heat values cited in Table 10.1 - 2 can be obtained by utilizing the same approach as above. The total mass consumed in 7 days would be maintained constant since that is directly dependent on the ALCO test data and EDG load profile while the heat values would vary with the corresponding specific gravity. The analytical work and results are shown in Table 10.5 -

1 below.

Table 10.5 - 1 Fuel Oil Consumptions for 7 Day EDG Operation of ULSD Fuel Oils of Varying Specific Gravity Specific Calculation Single EDG Two EDG I

Gravity Result (gal) Result (gal) 0.8348 [160,748 x 18,736.9] / 126,572.5 = 23,796.0 47,592.0 0.8448 [160,748 x 18,686.2] / 127,754.5 = 23,512.0 47,024.1 0.8550 [160,748 x 18,635.4] / 128,936.5 = 23,233.2 46,466.3 0.8654 [160,748 x 18,584.7] / 130,118.5 = 22,959.5 45,919.0 0.8762 [160,748 x 18,523.8] / 131,300.5 = 22,678.2 45,356.5 0.8871 [160,748 x 18,462.9] / 132,581.0 = 22,385.4 44,770.7 0.8900 [160,748 x 18,447.2] / 132,884.4 = 22,315.3 44,630.5 Page 19 of 25

IP-CALC-11-00058 Rev 1 10.6 Conservative Determination of Fuel Oil Usage of One and Two EDGs Operating for 6 Days [Maximum Loading Profile Run with Testing and ULSD Heat Value Conservatisms Included]

A six day operating case is performed in addition to the 7 day case in order to provide a fuel oil usage value supporting a proposed Technical Specification change concerning a "Required Action" (AOT / LCO). If in the future, during Technical Specification -

mandated surveillance the total volume of fuel oil is discovered to be less than the 7 day stipulation but equal to or greater than the 6 day amount, the volume must be restored to the 7 day required value within a specified time period (eg., 48 hours5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months ). This is defined as the Required Action and associated Time to implement the Action.

{Discussion of why both a 7 and 6 day fuel oil usage value is necessary to be calculated is contained in Improved Standard Technical Specification Task Force Change Traveler TSTF-501-A, Rev I [Ref 15].}

EDG run times for the 6 day (144 hours0.00167 days 0.04 hours 2.380952e-4 weeks 5.4792e-5 months ) period at the specified loadings are the following:

3 hours3.472222e-5 days 8.333333e-4 hours 4.960317e-6 weeks 1.1415e-6 months at 2000 kW 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months at 1950 kW 129 hours0.00149 days 0.0358 hours 2.132936e-4 weeks 4.90845e-5 months at 1750 kW The previously defined EDG 24 hour2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months maximum loading profile is in this case repeated six times to determine the fuel oil consumption in 6 days. The same fuel oil consumption rates for each EDG load value that were used in Section 10.3, with the 5% margin increase included, are applied in this calculation.

Fuel oil mass used in 144 hrs (6 days):

3.0 hrs x 1070 lb / hr =3,210 lb 12 hrs x 1045 lb / hr= 12,540 lb 129 hrs x 946 lb / hr = 122,034 lb Total Mass = 137,784 lb

Total energy contained in this mass of SG 0.83 fuel oil:

137,784 lb x 18,762.0 Btu / lb = 2,585,103,408 Btu

Gallons of SG 0.83 fuel oil needed to provide this amount of energy:

2,585,103,408 Btu + 125,987.6 Btu / gal = 20,518.7 gallons or -20,519 gallons Since for the 6 day operating duration two EDGs are supplying power at the stated maximum loading profile, the above fuel oil volume result must be doubled.

Page 20 of 25

IP-CALC-11-00058 Rev 1 20,519 gallons x 2 = 41,038 gallons 6 day volumetric usages of fuel oil for the other specific gravities and heat values cited in Table 10.1 - 2 are also obtained. The analytical work and results are shown in Table 10.6

- I below.

Table 10.6 - 1 Fuel Oil Consumptions for 6 Day EDG Operation of ULSD Fuel Oils of Varying Specific Gravity Specific Calculation Single EDG Two EDG Gravity Result (gal) Result (gal) 0.8348 [137,784 x 18,736.9] / 126,572.5 = 20,396.6 40,793.1 0.8448 [137,784 x 18,686.2] / 127,754.5 = 20,153.2 40,306.4 0.8550 [137,784 x 18,635.41 / 128,936.5 = 19,914.1 39,828.3 0.8654 [137,784 x 18,584.7] / 130,118.5 = 19,679.6 39,359.1 0.8762 [137,784 x 18,523.8] / 131,300.5 - 19,438.5 38,877.0 0.8871 [137,784 x 18,462.9] / 132,581.0 = 19,187.5 38,374.9 0.8900 [137,784 x 18,447.2] / 132,884.4 - 19,127.4 38,254.8 10.7 Method 1 Determination of Fuel Oil Usage of Three EDGs Operating for 7 Days [100% Rated Capacity Run with Testing and ULSD Heat Value Conservatisms NOT Included]

If during an accident / LOOP scenario there is no failure of an EDG to start and load, all three EDGs would then run and consume fuel oil. In the Method 1 approach, the third EDG operates at 100% rated capacity for the entire 7 day period in calculating total fuel oil usage.

It was determined in Section 10.4 that each EDG operating at 100% rated capacity would consume 21,900 gallons of SG 0.83 fuel oil in the 7 day period.

Therefore, total 7-day consumption of SG 0.83 fuel oil for three EDGs would be:

21,900 gallons x 3 = 65,700 gallons 10.8 Conservative Determination of Fuel Oil Usage of Three EDGs Operating for 7 Days [Maximum Loading Profile Run with Testing and ULSD Heat Value Conservatisms Included]

The same as in Section 10.7 above, if one EDG doesn't fail all three EDGs would then run and consume fuel oil. It is conservative to assume that the third EDG operates at maximum loading profile for the entire 7 day period in calculating total fuel oil usage.

Page 21 of 25

IP-CALC-11-00058 Rev I EDG run times for the 7 day (168 hours0.00194 days 0.0467 hours 2.777778e-4 weeks 6.3924e-5 months ) period at the specified loadings are as defined in Section 10.5. It was determined in that Section that each EDG operating at maximum load profile would consume 23,939 gallons of SG 0.83 fuel oil in the 7 day period.

Therefore, total 7-day consumption of SG 0.83 fuel oil for three EDGs would be:

23,939 gallons x 3 = 71,817 gallons The 7 day volumetric consumptions of fuel oils of the other specific gravities and heat values stated in Table 10.1- 2 can be determined by simply multiplying by three the "Single EDG Results" of Table 10.5 - 1. The analytical work and results of this exercise are shown in Table 10.8 - I below.

Table 10.8 - 1 Fuel Oil Consumptions for 7 Day Three EDG Operation of ULSD Fuel Oils of Varying Specific Gravity Specific Calculation Three EDG Gravity Result (gal) 0.8348 23,796.0 x 3= 71,388.0 0.8448 23,512.0 x 3= 70,536.0 0.8550 23,233.2 x 3= 69,699.6 0.8654 22,959.5 x 3= 68,878.5 0.8762 22,678.2 x 3= 68,034.6 0.8871 22,385.4 x 3= 67,156.2 0.8900 22,315.3 x 3= 66,945.9 10.9 Conservative Determination of Fuel Oil Usage of Three EDGs Operating for 6 Days [Maximum Loading Profile Run with Testing and ULSD Heat Value Conservatisms Included]

For the reason provided in Section 10.6, there is a need to determine the fuel oil consumption in a 6 day operating period. If three rather than two EDGs start and operate at maximum load profile throughout the entire 6 day timeframe, a different fuel oil usage will occur than the 41,038 gallons of SG 0.83 fuel oil previously calculated.

EDG run times for the 6 day (144 hours0.00167 days 0.04 hours 2.380952e-4 weeks 5.4792e-5 months ) period at the specified loadings are as stated in Section 10.6. It was determined in that Section that each EDG would consume a maximum of 20,519 gallons of SG 0.83 fuel oil during the 6 day period.

Therefore, total 6-day consumption of SG 0.83 fuel oil for three EDGs would be:

20,519 gallons x 3 = 61,557 gallons The 6 day volumetric consumptions of fuel oils of the other specific gravities and heat values stated in Table 10.1-2 can be determined by simply multiplying the "Single EDG Page 22 of 25

IP-CALC-11-00058 Rev 1 Results" of Table 10.6 - 1 by three. The analytical work and results of this exercise are shown in Table 10.9 - I below.

Table 10.9 - I Fuel Oil Consumptions for 6 Day Three EDG Operation of ULSD Fuel Oils of Varyin2 Specific Gravity Specific Calculation Three EDG Gravity Result (gal) 0.8348 20,396.6 x 3= 61,189.8 0.8448 20,153.2 x 3= 60,459.6 0.8550 19,914.1 x 3= 59,742.3 0.8654 19,679.6 x 3= 59,038.8 0.8762 19,438.5 x 3= 58,315.5 0.8871 19,187.5 x 3= 57,562.5 0.8900 19,127.4 x 3= 57,382.2 10.10 Determination of Maximum Fuel Oil Consumption Rate at a Load of 1750 kW To determine the total number of hours that a Fuel Oil Storage Tank can supply its corresponding EDG operating at maximum load profile with worst-case fuel oil, the maximum volumetric fuel oil consumption rate of the EDG at a load of 1750 kW must first be calculated.

Maximum Volumetric Consumption Rate (at 1750 kW)

(Mass Consumption Rate at 1750 kW x Fuel Oil Mass Heat Value) / (Fuel Oil Volumetric Heat Value)

Maximum Volumetric Consumption Rate (at 1750 kW)

(946 lb/hr x 18,762.0 Btu/lb) / (125,987.6 Btu/gal)

Maximum Volumetric Consumption Rate (at 1750 kW) = (17,748,852 Btu/hr) / (125,987.6 Btu/gal)

Maximum Volumetric Consumption Rate (at 1750 kW) = 140.88 gal/hr, or 141 gallons / hour The nominal storage capacity of an individual EDG Fuel Oil Storage Tank is approximately 7700 gallons (Ref 14). Of this capacity, however, a significant portion is considered to be "unusable" volume due to factors such as Fuel Oil Transfer Pump submergence requirements, tank orientation (ie, slope), inner tank coating, and level instrument uncertainty. The sum total of the fuel oil consumed by an EDG and the "unusable" volume in the associated FOST must equal or be less than 7700 gallons.

Based on fuel oil amounts cited in the table in UFSAR section 8.2.3, the maximum "unusable" volume in any FOST is 1031 gallons. Subtracting this quantity from the nominal tank capacity leaves 6669 gallons at most available for EDG consumption.

Page 23 of 25

IP-CALC-11-00058 Rev I It was determined in section 10.3 of this calculation that an EDG operating at its maximum loading profile for 48 hours5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months could conservatively consume as much as 6,840 gallons of SG 0.83 fuel oil. Since only a maximum of 6669 gallons of the fuel oil in an FOST is considered "usable", the EDG cannot be run at the greatest loading profile for 48 hours5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months with worst-case fuel oil without refill of the tank.

To obtain the EDG consumption in 48 hours5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months , the 24 hour2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months maximum load profile was repeated twice. However, to determine fuel oil consumption of an EDG for an operating period less than 48 hours5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months , this simplified approach cannot be applied. From section 10.3 information, it is clear that EDG fuel oil consumption depends on EDG load, with higher consumption correlating to higher load and vice versa. Therefore, to be conservative in calculating overall consumption for a timeframe shorter than 48 hours5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months , the time of EDG operation at 1750 kW will be decreased from the present 43 hours4.976852e-4 days 0.0119 hours 7.109788e-5 weeks 1.63615e-5 months . This is conservative because reducing run time only at the lowest consumption rate of the EDG maximum load profile results in the smallest reduction in total fuel oil usage within a defined time period.

From the paragraph above it is known that at least 171 gallons (6,840 - 6,669 gallons =

171 gallons) of additional "usable" worst case fuel oil is necessary in its associated FOST ji to permit an EDG to operate for 48 hours5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months at maximum load profile. Since this fuel oil amount is deemed not to be available in the FOST, the EDG can only operate for less than the 48 hour5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months duration. In this specific case, the operating time decrease is about 1.2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 months , for a total of 46.8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months of operation [48 hrs - (171 gal / 141 gal/hr]) = 46.8 hrs].

The maximum volumetric consumption rate of 141 gallons / hour can be used similarly as above to determine any EDG operating time less than 48 hours5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months depending on the "usable" volume of limiting fuel oil desired to be maintained in the FOST.

In Section 10.2 of this calculation, it was determined that an EDG operating at 100%

rated capacity would consume 6,257 gallons of SG 0.83 fuel oil in 48 hours5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months . Subtracting this volume from the FOST nominal capacity of 7700 gallons leaves 1443 gallons, which is significantly greater than the maximum 1031 gallons "unusable" volume previously mentioned. Therefore, it can be concluded that under the Regulatory Guide 1.137 requirement of EDG operation at rated capacity (1750 kW), with no conservative assumptions made as to ALCO test data uncertainty or fuel oil heat values, a FOST would contain sufficient "usable" fuel oil to allow its associated EDG to run for 48 hours5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months .

11.0 References

1. IP3-CALC-EG-00217 Rev 4, "Emergency Diesel Generator Storage Tank Level Setpoints"

2. CR-IP3-2010-03088, "IP3 2010 NRC CDBI Questions on EDG Fuel Oil Usage Section of IP3-CALC-EG-00217"

3. IP3 Technical Specification Basis 3.8.3, "Diesel Fuel Oil and Starting Air"

4. IP3 Technical Specification Basis 3.8. 1, "AC Sources - Operating" Page 24 of 25

IP-CALC-11-00058 Rev I

5. Duke Prod 9321-01-102-1, "Emergency Back-up Diesel Generators - Vendor Surveillance Report and Test Documentation" (See Attachment 2)

6. Procedure 0-CY-1810 Rev 11, "Diesel Fuel Oil Monitoring"

7. IP-RPT- 11-00050 Rev 0 (Report MPR-2980 Rev 0), "Evaluation of Ultra Low Sulfur Diesel Fuel Oil for Use in EDGs", dated December 4, 2006 (See Attachment 3)

8. IP3-CALC-ED-00207 Rev 8, "480V Buses 2A, 3A, 5A & 6A, and EDGs 31, 32 and 33 Accident Loading"

9. Telephone Conversation (6/2/2011) with Mark O'Connell of MPR Associates; RE: Discussion of diesel fuel oil heat values cited in Table 4-2 of MPR Associates Report MPR-2980 Rev 0. (See Attachment 3)

10. Telephone Conversation (9/12/2011) with James Peters of the IPEC Chemistry Department; RE: Application of Ultra Low Sulfur Diesel (ULSD) fuel oil standard to fuel oil delivered for use in IPEC EDGs (See Attachment 4)

11. IP-CALC- 11-00011 Rev 0, "Evaluation of Emergency Diesel Generator (EDG)

Fuel Oil Usages Accounting for Issues Identified During the IP3 2010 NRC CDBI"

12. CR-IP3-2011-03960, "Technical Specification 3.8.3 for EDG Usable Fuel Oil Volumes Found to be Non-Conservative Based on Results of Calculation IP-CALC- 11-00011 Rev 0"

13. IP3 Technical Specification 5.5.12, "Diesel Fuel Oil Testing Program"

14. Drawing IP3V-0353-0002 Rev 2, "Fuel Oil Storage Tank (7700 Gallons)"

15. Improved Standard Technical Specification Task Force Change Traveler TSTF-501-A, Rev 1, "Relocate Stored Fuel Oil and Lube Oil Volume Values to Licensee Control" 12.0 Attachments Attachment I - Mass Fuel Oil Consumption versus EDG Load (9 Pages) - EDG 31, 32, 33 Original Test Data from WEDCO Purchase Order 932 1-01-102-1 (16 pages) - Excerpt from Reference 6: Table 4-2. High and Low Heat Value of Some Typical Diesel Fuels; Telecon of Discussion with MPR Associates on Diesel Fuel Oil Heat Values (3 pages) - Documentation of 9/12/2011 Telephone Conversation with James Peters (IPEC Chemistry Department); RE: Application of Ultra Low Sulfur Diesel (ULSD) fuel oil standard to fuel oil delivered for use in IPEC EDGs (2 pages)

Page 25 of 25

.(W I IP-CALC-11-00058 Rev 1 ATTACHMENT 1 Mass Fuel Oil Consumption Vs EDG Load

.. &.oo.% rcl .. 2 Attckc/h IskW lb/hr vs kW tEDG 31 y = 0.455x + 92.03 1,100 1,050 1,000 950 900 850 800 750 700 lb.650 6.5 600 550 500 450 400 350 300 250 200

-4 ~-4 W M MD CO . . .. .. .& .d. .. .& * . .. .

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EDG 31 EDG32 EDG33 KW lb/hr KW lb/hr KW lb/hr 0.0 92.0 0.0 76.4 0.0 87.2 10.0 96.6 10.0 81.1 10.0 91.8 20.0 101.1 20.0 85.8 20.0 96.4 30.0 105.7 30.0 90.5 30.0 101.0 40.0 110.2 40.0 95.2 40.0 105.6 50.0 114.8 50.0 99.9 50.0 110.2 60.0 119.3 60.0 104.7 60.0 114.9 70.0 123.9 70.0 109.4 70.0 119.5 80.0 128.4 80.0 114.1 80.0 124.1 90.0 133.0 90.0 118.8 90.0. 128.7 100.0 137.5 100.0 123.5 100.0 133.3 110.0 142.1 110.0 128.2 110.0 137.9 120.0 146.6 120.0 132.9 120.0 142.5 130.0 151.2 130.0 137.6 130.0 147.2 140.0 155.7 140.0 142.4 140.0 151.8 150.0 160.3 150.0 147.1 150.0 156.4 160.0 164.8 160.0 151.8 160.0 161.0 170.0 169.4 170.0 156.5 170.0 165.6 180.0 173.9 180.0 161.2 180.0 170.2 190.0 178.5 190.0 165.9 190.0 174.8 200.0 183.0 200.0 170.6 200.0 179.5 210.0 187.6 210.0 175.4 210.0 184.1 220.0 192.1 220.0 180.1 220.0 188.7 230.0 196.7 230.0 184.8 230.0 193.3 240.0 201.2 240.0 189.5 240.0 197.9 250.0 205.8 250.0 194.2 250.0 202.5 260.0 210.3 260.0 198.9 260.0 207.1 270.0 214.9 270.0 203.6 270.0 211.8 280.0 219.4 280.0 208.4 280.0 216.4 290.0 224.0 290.0 213.1 290.0 221.0 300.0 228.5 300.0 217.8 300.0 225.6 310.0 233.1 310.0 222.5 310.0 230.2 320.0 237.6 320.0 227.2 320.0 234.8 330.0 242.2 330.0 231.9 330.0 239.4 340.0 246.7 340.0 236.6 340.0 244.1 350.0 251.3 350.0 241.4 350.0 248.7 360.0 255.8 360.0 246.1 360.0 253.3 370.0 260.4 370.0 250.8 370.0 257.9 380.0 264.9 380.0 255.5 380.0 262.5

Z'17-.CKLC- ll-ObOS',g it- I el. 6' of I A*I r4 mekt-1 e*D& It 390.0 269.5 390.0 260.2 390.0 267.1 400.0 274.0 400.0 264.9 400.0 271.7 410.0 278.6 410.0 269.6 410.0 276.4 420.0 283.1 420.0 274.4 420.0 281.0 430.0 287.7 430.0 279.1 430.0 285.6 440.0 292.2 440.0 283.8 440.0 290.2 450.0 296.8 450.0 288.5 450.0 294.8 460.0 301.3 460.0 293.2 460.0 299.4 470.0 305.9 470.0 297.9 470.0 304.0 480.0 310.4 480.0 302.6 480.0 308.7 490.0 315.0 490.0 307.4 490.0 313.3 500.0 319.5 500.0 312.1 500.0 317.9 510.0 324.1 510.0 316.8 510.0 322.5 520.0 328.6 520.0 321.5 520.0 327.1 530.0 333.2 530.0 326.2 530.0 331.7 540.0 337.7 540.0 330.9 540.0 336.3 550.0 342.3 550.0 335.6 550.0 340.9 560.0 346.8 560.0 340.4 560.0 345.6 570.0 351.4 570.0 345.1 570.0 350.2 580.0 355.9 580.0 349.8 580.0 354.8 590.0 360.5 590.0 354.5 590.0 359.4 600.0 365.0 600.0 359.2 600.0 364.0 610.0 369.6 610.0 363.9 610.0 368.6 620.0 374.1 620.0 368.6 620.0 373.2 630.0 378.7 630.0 373.3 630.0 377.9 640.0 383.2 640.0 378.1 640.0 382.5 650.0 387.8 650.0 382.8 650.0 387.1 660.0 392.3 660.0 387.5 660.0 391.7 670.0 396.9 670.0 392.2 670.0 396.3 680.0 401.4 680.0 396.9 680.0 400.9 690.0 406.0 690.0 401.6 690.0 405.5 700.0 410.5 700.0 406.3 700.0 410.2 710.0 415.1 710.0 411.1 710.0 414.8 720.0 419.6 720.0 415.8 720.0 419.4 730.0 424.2 730.0 420.5 730.0 424.0 740.0 428.7 740.0 425.2 740.0 428.6 750.0 433.3 750.0 429.9 750.0 433.2 760.0 437.8 760.0 434.6 760.0 437.8 770.0 442.4 770.0 439.3 770.0 442.5 780;0 446.9 780.0 444.1 780.0 447.1 790.0 451.5 790.0 448.8 790.0 451.7 800.0 456.0 800.0 453.5 800.0 456.3

re- CAlýc ý (Z.I P- ,4' EDG 31 6" D.?3 810.0 460.6 810.0 458.2 810.0 460.9 820.0 465.1 820.0 462.9 820.0 465.5 830.0 469.7 830.0 467.6 830.0 470.1 840.0 474.2 840.0 472.3 840.0 474.8 850.0 478.8 850.0 477.1 850.0 479.4 860.0 483.3 860.0 481.8 860.0 484.0 870.0 487.9 870.0

486.5 870.0 488.6 880.0 492.4 880.0 491.2 880.0 493.2 890.0 497.0 890.0 495.9 890.0 497.8 900.0 501.5 900.0 500.6 900.0 502.4 910.0 506.1 910.0 505.3 910.0 507.1 920.0 510.6 920.0 510.1 920.0 511.7 930.0 515.2 930.0 514.8 930.0 516.3 940.0 519.7 940.0 519.5 940.0 520.9 950.0 524.3 950.0 524.2 950.0 525.5 960.0 528.8 960.0 528.9 960.0 530.1 970.0 533.4. 970.0 533.6 970.0 534.7 980.0 537.9 980.0 538.3 980.0 539.4 990.0 542.5 990.0 543.1 990.0 544.0 1,000.0 547.0 1,000.0 547.8 1,000.0 548.6 1,010.0 551.6 1,010.0 552.5 1,010.0 553.2 1,020.0 556.1 1,020.0 557.2 1,020.0 557.8 1,030.0 560.7 1,030.0 561.9 1,030.0 562.4 1,040.0 565.2 1,040.0 566.6 1,040.0 567.0 1,050.0 569.8 1,050.0 571.3 1,050.0 571.6 1,060.0 574.3 1,060.0 576.1 1,060.0 576.3 1,070.0 578.9 1,070.0 580.8 1,070.0 580.9 1,080.0 583.4 1,080.0 585.5 1,080.0 585.5 1,090.0 588.0 1,090.0 590.2 1,090.0 590.1 1,100.0 592.5 1,100.0 594.9 1,100.0 594.7 1,110.0 597.1 1,110.0 599.6 1,110.0 599.3 1,120.0 601.6 1,120.0 604.3 1,120.0 603.9 1,130.0 606.2 1,130.0 609.0 1,130.0 608.6 1,140.0 610.7 1,140.0 613.8 1,140.0 613.2 1,150.0 615.3 1,150.0 618.5 1,150.0 617.8 1,160.0 619.8 1,160.0 623.2 1,160.0 622.4 1,170.0 624.4 1,170.0 627.9 1,170.0 627.0 1,180.0 628.9 1,180.0 632.6 1,180.0 631.6 1,190.0 633.5 1,190.0 637.3 1,190.0 636.2 1,200.0 638.0 1,200.0 642.0 1,200.0 640.9 1,210.0 642.6 1,210.0 646.8 1,210.0 645.5 1,220.0 647.1 1,220.0 651.5 1,220.0 650.1

xe-C-ALC.- n-004.78 P.- I P-ga.

Pj4a 33

.6 I -kI k

1,230.0 651.7 1,230.0 656.2 1,230.0 654.7 1,240.0 656.2 1,240.0 660.9 1,240.0 659.3 1,250.0 660.8 1,250.0 665.6 1,250.0 663.9 1,260.0 665.3 1,260.0 670.3 1,260.0 668.5 1,270.0 669.9 1,270.0 675.0 1,270.0 673.2 1,280.0 674.4 1,280.0 679.8 1,280.0 677.8 1,290.0 679.0 1,290.0 684.5 1,290.0 682.4 1,300.0 683.5 1,300.0 689.2 1,300.0 687.0 1,310.0 688.1 1,310.0 693.9 1,310.0 691.6 1,320.0 692.6 1,320.0 698.6 1,320.0 696.2 1,330.0 697.2 1,330.0 703.3 1,330.0 700.8 1,340.0 701.7 1,340.0 708.0 1,340.0 705.5 1,350.0 706.3 1,350.0 712.8 1,350.0 710.1 1,360.0 710.8 1,360.0 717.5 1,360.0 714.7 1,370.0 715.4 1,370.0 722.2 1,370.0 719.3 1,380.0 719.9 1,380.0 .726.9 1,380.0 723.9 1,390.0 724.5 1,390.0 731.6 1,390.0 728.5 1,400.0 729.0 1,400.0 736.3 1,400.0 733.1 1,410.0 733.6 1,410.0 741.0 1,410.0 737.8 1,420.0 738.1 1,420.0 745.8 1,420.0 742.4 1,430.0 742.7 1,430.0 750.5 1,430.0 747.0 1,440.0 747.2 1,440.0 755.2 1,440.0 751.6 1,450.0 751.8 1,450.0 759.9 1,450.0 756.2 1,460.0 756.3 1,460.0 764.6 1,460.0 760.8 1,470.0 760.9 1,470.0 769.3 1,470.0 765.4 1,480.0 765.4 1,480.0 774.0 1,480.0 770.1 1,490.0 770.0 1,490.0 778.8 1,490.0 774.7 1,500.0 774.5 1,500.0 783.5 1,500.0 779.3 1,510.0 779.1 1,510.0 788.2 1,510.0 783.9 1,520.0 783.6 1,520.0 792.9 1,520.0 788.5 1,530.0 788.2 1,530.0 797.6 1,530.0 793.1 1,540.0 792.7 1,540.0 802.3 1,540.0 797.7 1,550.0 797.3 1,550.0 807.0 1,550.0 802.3 1,560.0 801.8 1,560.0 811.8 1,560.0 807.0 1,570.0 806.4 1,570.0 816.5 1,570.0 811.6 1,580.0 810.9 1,580.0 821.2 1,580.0 816.2 1,590.0 815.5 1,590.0 825.9 1,590.0 820.8 1,600.0 820.0 1,600.0 830.6 1,600.0 825.4 1,610.0 824.6 1,610.0 835.3 1,610.0 830.0 1,620.0 829.1 1,620.0 840.0 1,620.0 834.6 1,630.0 833.7 1,630.0 844.7 1,630.0 839.3 1,640.0 838.2 1,640.0 849.5 1,640.0 843.9

ZP - Cu&.C-to

-11~ O8. P. q ad00-FS-70

OG31 1,650.0 842.8 1,650.0 854.2 1,650.0 848.5 1,660.0 847.3 1,660.0 858.9 1,660.0 853.1 1,670.0 851.9 1,670.0 863.6 1,670.0 857.7 1,680.0 856.4 1,680.0 868.3 1,680.0 862.3 1,690.0 861.0 1,690.0 873.0 1,690.0 866.9 1,700.0 865.5 1,700.0 877.7 1,700.0 871.6 1,710.0 870.1 1,710.0 882.5 1,710.0 876.2 1,720.0 874.6 1,720.0 887.2 1,720.0 880.8 1,730.0 879.2 1,730.0 891.9 1,730.0 885.4 1,740.0 883.7 1,740.0 896.6 1,740.0 890.0 1,750.0 888.3 1,750.0 901.3 1,750.0 894.6 1,760.0 892.8 1,760.0 906.0 1,760.0 899.2 1,770.0 897.4 1,770.0 910.7 1,770.0 903.9 1,780.0 901.9 1,780.0 915.5 1,780.0 908.5 1,790.0 906.5 1,790.0 920.2 1,790.0 913.1 1,800.0 911.0 1,800.0 924.9 1,800.0 917.7 1,810.0 915.6 1,810.0 929.6 1,810.0 922.3 1,820.0 920.1 1,820.0 934.3 1,820.0 926.9 1,830.0 924.7 1,830.0 939.0 1,830.0 931.5 1,840.0 929.2 1,840.0 943.7 1,840.0 936.2 1,850.0 933.8 1,850.0 948.5 1,850.0 940.8 1,860.0 938.3 1,860.0 953.2 1,860.0 945.4 1,870.0 942.9 1,870.0 957.9 1,870.0 950.0 1,880.0 947.4 1,880.0 962.6 1,880.0 954.6 1,890.0 952.0 1,890.0 967.3 1,890.0 959.2 1,900.0 956.5 1,900.0 972.0 1,900.0 963.8 1,910.0 961.1 1,910.0 976.7 1,910.0 968.5 1,920.0 965.6 1,920.0 981.5 1,920.0 973.1 1,930.0 970.2 1,930.0 986.2 1,930.0 977.7 1,940.0 974.7 1,940.0 990.9 1,940.0 982.3 1,950.0 979.3 1,950.0 995.6- 1,950.0 986.9-1,960.0 983.8 1,960.0 1,000.3 1,960.0 991.5 1,970.0 988.4 1,970.0 1,005.0 1,970.0 996.1 1,980.0 992.9 1,980.0 1,009.7 1,980.0 1,000.8 1,990.0 997.5 1,990.0 1,014.5 1,990.0 1,005.4 2,000.0 1,002.0 2,000.0 1,019.2 2,000.0 1,010.0

0, 1 'di If Tr IP-CALC-11-00058 Rev 1 ATTACHMENT 2 EDG 31. 32, 33 Ori2inal Test Data From WEDCO Purchase Order 9321-01-102-1

gd.i ~flC WaA .Mr~e~t+/- 2z h 31

. ..* * .*.. * . .... .* ,.. :.......:..., ".'* *..'.:? .:*:, * *. o" ..*:-..*.... ".:.: .. :.~~ 6EQZ'15 eV.A-:

fChk'r TESTII

%NSULATIOW RESISTANCET SUPPLIES Voltage cults. Cooling Wat*-.-4 Fi-l i f1 Megohms Dieselnin d~v oernor O11 Air.'Compressor Ltube oil" Air.'Compressor Eqngine Lube.O*1i Radiator tan Gear Unit LuboeO "

e Circuits SEQUENCE P.e. Leube Pump.

jacket Water Heaters Lubricating Oil Heaters..

Fuel ,il. Pump #i.

Fuel Oil. Shut Off Solenoid IFflgi Potential Fuel Oil Pump #2 Air Compressor Motor Crankcase Exhaust Motor so #1 Hood Lights ase#. Hood Convenience Outlets Ih ao.teti.. Starting Igh Potential Automatic Start 0 - - - - Warnirig Alarm and Lights

.. LUBRICATING OIL In Attended Selection In Automatic Selection I:

Main Bearing Filters Applied' Engine Shutdown itralner Element (150 Mesh) In Attended Selection Filter Elements Applied' 'n I Automatic Selection Circulation . Minutes Overspeed Trip Switch Level - Full Pre Lube Before Engine Start.

9 Engine Ser. ? -7 er'No.42a//

(

Ill Power Pak Test Report Sheet _L of .

Datez " 71

.r -e-.Al-C.-11-0o ss a~ I (o.3 4 1(

A.4ahck'weri+/- 2 SQC 246 Rev.A I- -I--

.1 TEST' . hk'r I I-TEST

.4-Chk'r PRESSURE SWITCHES NO LOAD DATA I

pressor Cut In -.PSI Fuel Oil Header Press.

Cut Out PSI Lube Oil Header Press. PSI Safety Valve - PSI WVater Outlet Temp. -- OF Engine RPM .0 -RPM sate SwitchIl Crankcase Vacuum /, 7" "H 2 0 Stops Preaubo Pump PSI Lube Oil Outlet Temp. .. OF Starts Crankcase Exh. PSI Fuel Pre*ssure Switch #2 - PSI Low Oil Pressure Switch 42 PSI Overspeed Trip #1- /O.O RPM

~ *2 TEMPERATURE SWITCHES #3 * / ORPM Automatic Start - F Automatic Stop OF Full Loa No Load RPM I ket Water Heater - On . OF Stabilizes In - Sec.

Off _Or ,7,B ull Load to 75% Loa RPM Lube Oil Heater - On o OF Stabilizes In ',

Off or ilot Engine Shut Down Or VOLTAGE CHECKS ,¢.,,v~o F* DJ040 40#9,O P0k16 P9 Motor Circuits al*ro Volts 9 Hearer Circuits f1/ Volts (rAe Light Circuits -- Volts Outlet Circuits -- Volts Motor Control Circuit Volts Alarm Circuits /2,PG" # Volts Remoto Control CIrcult /!ýýe Volts Battery Circuits */7-*D.. Volts fJY.

Qhutter Control - "Volts

.ne Governor 1x5ro-1 Volts Xl'/vi.

Quality Control Department I

Sheet 2 of 5

Z10 G (C-CI/ waacg/e I r, 0 fr-it A *ac4C r)ep7ý 2 SQC 246 Rev.A Duration of -Reading /y,/4 . .l'- 3 o0 - _ ,1 Ambient Tamperature - OF '*I' L" , . iL" -

Barornetrlc-Prossuroe - "Hg : 13oY.i,/* .ji. o 1

~.j]t l :o./6 __

rueL Rack Position - mm .'.L

,1 .. *,r., __

Dlesel Encine RPM 0 )"del ,., 0 gompressor Outlet Tnmoerature - o2 L"5?, 14C Je gTLO o Air Manifold Temperature - OF //Y'0 /JO 111 117-0 Exhaust Stack Temperature - OrOF" & AY,Yo ytoIfo 05'-YD

'acket Water Inlet Temperature - o , /Y* / ye */.4/*J ' -

Tacket Water Outlet Temperature - or /zi, /0,(.J /Ile$ I'ir /I _7 Aftercooler Water Inlet Temperature - Op .- . . .

Aftercooler Water Outlet Temperature - OF -

Lube Oil Inlet Temperature - OF / j- , 14 /1"_' _J" V..L.a..

1211PLl ttn eracratua-e -.

- o1 -1L~L "V4,, I Yo7'G' ,&I 9 I ii Y

Turbine Gas Uooer Riaht I7co o ?/a I9;oIvc1/4~o Inlet Pipe Upper Left 9cc'r l / -p,Po IXOI///O I Temperature - OF Lo-Wer Riciht IZZVeP8 I ?5 0'1' 0 - -

L"*w~r L.eft .;,va TV 0 - f"? r /,0 it

~~1 .urbine Gas Lower Uooer Richt Left Inlet Pipe Upper Left . . . . .

Pressure - "Hg Lower Right. --. - - ""

Lower Left - I Turbo - Exhaust Outlet Pressure - "H7O ....

Air Manifold Pressure - PSI 7 . AL_,f/LL/, ',3L Compressor Inlet Pressure - ',H?,O (Vac) a. ,Y Y . r //. /.J3. __

Compressor Discharge P ressure - "HE.. I,V

/4. LJ,71 3 3 Y Crankcase Vacuum - ".11O 70, /.0 1 7 -aJ-Lube Oil Header Pressure r psi ,/ *'i 1'*,

Fuel Oil Header Pressure - psi . _, L.[ £ .J'¢,,

/ ,-

Water Pump Discharqa Pressure - psi 3 I ,.1,'J ,/.1/ . J/." ,

Lube Oil Pump Discharge Pressure - psi - -

Exhaust Appearance, za e e IZ/ ZW7 f, //*,. _,_O Approved for Manufacturing '-/ . 1F>'"- Date / -6e 7/

Approved for Qualilt Control . ,, ,,,, .., . Date /-"

Order No 'L,2//1- Y -Quality Control Department "

Sheet 3 of 5

re -Ce4L4. 1- - 045 8 AI p.,u* 7t41 A6LAc4mregl+ 2-..

. 971) 6.3 1 SQUG 245 neI,/Ao

,.TEST DATA LOAD COA.Tqr

,<rA.. .. L L Ge.ierator Bearing Temnerature . -- Z Stator Temoeorature -"-.

onerator Exhaust Air Temperature " - "" -"

Generator Frequency - Cycles ýer Second /c.. .6. 46-

ISO Generator Efficiency In in *,9 ?*J 7';, ,_.- ?,4,,_"

Power Factor , /, /. /. , _,

Exciter Voltage - Volts r__.I" D /"A _

Exciter Current - Amps go (J, 7A, S-0 .-

Generator Voltage Line 1-2 Volts . ',, y. *, YTSP 9,* -

A Line 2-3 Volts Y5,0 *?O Y70 IS t Yt*,'

Line 3-1 Volts 5 0

_8_0 Y75-7jr -Pi Generator Current Phase #1 - Amps ' S . /¥'O typloL

Phase Amps sAr /6 reO d7/O .rA7c

/0 o Pha~n *3 - Amn~ *J-~rr' Iicro I/dc Lni~fLiivo Phase #3 - Amex -tow /Orv /,(PC 1.2lt-daive

,A.yn y&q /.xlrl /,71.5 /yq-r Generator Efficiency x 746 M.? M.

Brakce i-Horseunwer 14 ~ IY' t'~re~q 4 t4flflfIiM~I t* ('-rogg Horsecower I ý . -A ti.

I. 0 -1 1 1 ' A47 /- Q.:j M A ej a

-U i" IIUII" "IU '~~-

r. r e Apqroved. for Manufacturing ,'1- 777' Approved for Quality Control Manager :*.,*,, Date "

/"

V/

AICO Order No.Q"/ Y quollty Control Department Sheet. 4 of 5

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Pil IOf 3 IP-CALC-11-00058 Rev 1 ATTACHMENT 3 Excerpt from Reference 6:

Table 4-2. High and Low Heat Value Of Some Typical Diesel Fuel Oils:

Telecon of Discussion with MPR Associates on Diesel Fuel Oil Heat Values on Diesel Fuel Oil Heat Values

PC, O.A+ t"eii both the high heat value and the low heat value of typical fuel oils. The following evaluation relies on comparisons to the high heat values in BTU/gallon. This standard recognizes that "heating values for a given gravity fuel oil may vary somewhat from those shown...."

Table 4-2. High and Low Heat Value of Some Typical Diesel Fuels [Reference 991 High and Low Heat Values oF Some Typical Diesel Fuel Oils*

st"pi., So., afavlty. Welihi Fuel, Hlqb Most value Low Heat Value deq AI ti o4 P lb/pll0 1110lb stv/q9alo. S/lb. INAIv 6q4llem 44 0.8063 6.713 19,860 133,500 18,600 125,000 42 0.8155 6.790 19,810 134,700 18,P60 126,200 40 0.8251 6.870 19,750 135,800 18,510 127,300 128,500 SOi 04*3 38 0.8348 6.951 r9,6S0 137,U00 18,460 36 0.8448 7.034 19,620 138,200 18,410 129,700 34 0.8550 7.119 19,660 139,400 18,360 130,900 32 0.8654 7.206 19,499 140,600 19,310 132,100 30 0.8762 7.296 19,420 141,800 18,250 133,300 28 0.8871 7.387 19,350 143,100 18,190 134.600 C ,

26 0.8984 7.481 19,270 144,300 18, 13 135,800 24 0.9100 7.578 19,190 146,600 18,070 137,100 22 0.9218 7.676 19,110 146,800 18,000 138,300T 20 0.9340 7.718 19,020 149,100 17,930 139,600-is 0.946S 7.882 18,930 . 149,400 17,860 140,900 16 0.9593 7.989 18,840 150,700 17,790 142,300:

14 0.9725 8.099 18,740 152,000 17,710 14r,600 12 0.9861 8.212 18,640 153,300 17,620 144,900 10 1.000 8.328 18,540 154,600 17,540 146,200 Notet It ,hould be und dl$eed'that heolhqe values for a qle , lgoiy'of fuel oil mae e a emeuhat from ho,. howe Ii, e bevs tablo.

'tiane of Slandard., Miscellaneous Pubhlatioee Me. M Thermal epetls of Pelrolea, /uwded,, April 18, IMIS.

A graph showing the distribution of the ULSD diesel fuel heat content test results in Table 4-1 is included as Figure 4-1. Also plotted in Figure 4-1 are the API gravity and heat content values from Table 4-2. As shown in Table 4-1, MPR evaluated a total of 19 samples of ULSD fuel oil.

At the lower range of API gravity, the ULSD fuel had a heat content as much as 2,541 BTU/gallon greater than the reference value of typical fuel oil. This is 1.8% greater heat content at a given API gravity. As the API gravity of the tested ULSD fuel samples increased, the heat content decreased. As shown in Figure 4-1, this is also true for the reference diesel fuel oil. The worst case ULSD fuel sample was found to have a lower heat content by 1,554 BTU/gallon or 1.14% lower. This is the worst case variation in the tested ULSD fuel heat content when compared to the typical diesel fuel reference. As can be seen, six out of 19 data points are below the typical diesel fuel line. On the other hand, more than two thirds of the ULSD test points have greater heat content than typical diesel fuel.

MPR-2980 Revision 0 4-3

-ri 0CA4 & it 005 Pew. I (, - 3 o t93 A +.c~tetttK3 Notes of Telephone Conversation With: Mark O'Connell, MPR Associates Qualifications: Co-author of Technical Report MPR-2980, "Evaluation of Ultra Low Sulfur Diesel Fuel for Use in EDGs": expert in diesel fuel combustion principles Date: June 2. 2011

Subject:

Question on the use of high or low heating values of diesel fuel oil in the determination of EDG fuel oil consumption and required volumes Response: The situation at IPEC with respect to the necessity of determining diesel fuel oil consumption and required storage volumes was presented to Mr. O'Connell. It was then explained that during the October 2010 IP3 NRC Component Design Basis Inspection, an issue had been raised with diesel fuel oil heating values and their proper use in consumption calculations.

There are two types of heating values listed in diesel heating value tables, high (gross) and low (net). The question at IPEC, which we could not definitively answer without input from anexpert, was which values should be used in the determination of the volume of diesel fuel oil required to operate the EDGs at a certain load for a specified period of time.

Mr. O'Connell stated quite clearly that the low heating value (net heat of combustion) should be employed in this case. He explained in technical terms that this heating value is associated with the actual work of the EDG cylinder. The heat related to condensing the water inherent in the hydrocarbon diesel fuel is not transferrable to work of the engine.

Therefore, the high heating value (gross heat of combustion) overestimates the actual energy available for power production by the EDG.

The conversation with Mr. O'Connell was completed with the reiteration by him that to calculate the greatest volume of fuel oil of a known density necessary to run an engine at a specific load for a defined duration, the low heating value (the net heat of combustion) of that fuel oil should be used as an input.

IP-CALC-11-00058 Rev 1 ATTACHMENT 4 Telecon of Discussion with J. Peters (IPEC Chemistry) on Meeting Ultra Low Sulfur Diesel Fuel Oil Standard

Zr'-CALC-m-I-ooore' dp7C~2 Notes of Telephone Conversation With: James Peters, IPEC Chemistry Department Qualifications: Chemistry Supervisor responsible for coordinating the testing and acceptance of Emergency Diesel Generator fuel oil deliveries Date: September 12, 2011

Subject:

Question on IPEC's response to meeting the Ultra Low Sulfur Diesel (ULSD) fuel oil standard mandated by the US Environmental Protection Agency (EPA)

Response: In January 2001 and in June 2004, the US Environmental Protection Agency (EPA) finalized the Clean Diesel Trucks and Buses Rule and the Clean Nonroad Diesel Rule, respectively, with more stringent standards for new diesel engines and fuels.

Subsequent to these EPA actions, the NRC issued Information Notice 2006-22, "New Ultra Low Sulfur Diesel Fuel Oil Could Adversely Impact Diesel Engine Performance" on October 12, 2006. Report MPR-2980 entitled "Evaluation of Ultra Low Sulfur Diesel Fuel Oil Use in EDGs" was prepared by MPR Associates for IPEC on December 4, 2006 basically in response to NRC IN 2006-22. The purpose of this report was to technically evaluate the properties of ultra low sulfur diesel (ULSD) oil with respect to their impact on EDG function. In its rule-making schedule, the EPA had mandated that the sulfur content of diesel fuel oil for non-road engine use (eg, EDGs) that is domestically refined after December 1, 2010 had to be maintained to 15 ppm or less. The intent of this standard was to reduce the production of certain types of nitrogen and sulfur-related particulate pollutants during diesel fuel oil combustion.

IPEC must meet the requirements of the ULSD standard. All fuel oil intended for EDG and other diesel generator use received after 12/1/2010 has been ULSD oil. However, because of the Low Sulfur Diesel (LSD) fuel oil with a sulfur limit of 500 ppm currently still stored in the Fuel Oil Storage Tanks and the large oil storage tank located beyond Broadway, the overall type of diesel fuel oil now available to the EDGs is a mixture of ULSD and LSD oils. As this mixture is utilized, the tanks are replenished strictly with ULSD fuel oil. Eventually, all of the EDG fuel oil will meet the ULSD standard.

ENCLOSURE 2 TO NL-12-097 IP-CALC-EG-00217, "EMERGENCY DIESEL GENERATOR STORAGE TANK LEVEL SETPOINTS," REV. 5 ENTERGY NUCLEAR OPERATIONS, INC.

INDIAN POINT NUCLEAR GENERATING UNIT NO. 3 DOCKET NO. 50-286

ML12234A251

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