Text

Proposed Tech Specs,Changing New Fuel Assembly Type to Maintain Operation Cycle Length of 18 Months While Maintaining Applicable Safety Limits
	ML20154H989
Person / Time
Site:	Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date:	05/23/1988
From:	; VERMONT YANKEE NUCLEAR POWER CORP.
To:	;
Shared Package
ML20154H982	List: ML20154H979; ML20154H989;
References
	NUDOCS 8805260137
	Download: ML20154H989 (17)
	v • d • e

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VYNPS TTCO O CO 2$

LIMITING CONDITIONS FOR OPERATION SURVEILLANCE REQUIREMENTS N

D o-do 3.11 REACTOR FUEL ASSEMBLIES 4.11 RFACTOR FUEL ASSEMBLIES XN O(D Applicability:

Applicability:

wto oo om The Limiting Conditions for Operation associated The Surveillance Requirements apply to the

,Q with the fuel rodF apply to these parameters which parameters which monitor the fuel rod operating ty monitor the fuet tcd operating conditions.

conditions.

Objective:

The Objective of the Limiting Conditions for The OLjective of the Surveillance Requirements is Operation is to assure the performance of the fuel to specify the type and frequency of surveillance rods.

to be applied to the-fuel rods.

Specifications:

Spacifications:

A.

Average Planar Linear Heat Generation Rate A.

Average Planar Linear Heat Generation Rate (APLHGR)

(APLHGR)

During steady state power operation, the The APLHGR for each type of fuel as a APLHGR for each type of fuel ac a function of function of average planar exposure shall be average planar exposure shall not exceed the determinud daily during reactor operation at limiting values shown in Tables 3.ll-1A

>25% rated thermal power.

l through J.

For single recirculation loop operation, the limiting values shall be the values from Tables 3.11-1B through E and l Table 3.11-lG through J listed under the heading "Single Loop Operation." These values are obtained by multiplying the value.;

for two loop operation by 0.83.

If at any time during steady-steate operation it is determined by normal surveillance that the limiting value for APLHCR is being exceeded, action shall be initiated within 15 minutes to restore operation to within the prescribed Amendment No. 64, 90, 94, IPO, 180a 0159s/18.268 i

l l

1 c

-1

VYNPS LIMITING CONSITIONS FOR OPERATION SURVEILLANCE REQUIREMENTS limits.

If the APLHCR isnot returned to within prescribed limits within two (2) hours, the reactor shall be brought to the shutdown conditions within 36 hours4.166667e-4 days 0.01 hours 5.952381e-5 weeks 1.3698e-5 months .

Surveillance and corresponding action shall continue until reactor operation is within the prescribed limits.

B.

Linear Heat Generation Rate (LHCR)

B.

Linear Heat Generation Rate (LHGR)

During steady state power operation, the The LHCR as a function of core height shall linear heat generation rate (LHCR) of any rod be checked daily during reactor operation at in any fuel assembly at any axial location 125% rated thermal power.

shall not creeed the maximum allowable LHCR l specified in Table 1.

If at any time during steady state operation C.

Minimum Critical Power Ratio it is determined by normal surveillance that the limiting value for LHGR is being.

MCPR shall be determined daily during reactor exceeded, action shall be initiated within 15 power operation at 125% rated thermal power minutes to restore operation to within the and following any change in power level or prescribed limits.

If the LHGR is not distribution that would cause operation with returned to within the prescribed limits a limiting control rod pattern as described within two (2) hours, the reactor shall be in the bases for Specification 3.3.B.6.

brought to shutdown condition within 36 hours4.166667e-4 days 0.01 hours 5.952381e-5 weeks 1.3698e-5 months . Surveillance and corresponding action 4

shall continue until reactor operation is within the prescribed limits.

Amendment No. 64, 90, 180b 0159s/18.268 1

VYNPS Table 1 SIGNIFICANT INPUT PARAMETERS TO THE LOSS-OF-COOLANT ACCIDENT ANALYSIS Plant Parameters:

Core Thermal Power 1664 MWt, which correxponds to 105% of rated steam flow 6

6.75 x 10 1bm/h, which corresponds to-Vessel Steam Output 105% of rated steam flow Vessel Steam Dome Pressure 1055 psia Recirculation Line Break Area for Large Breaks - Discharge 2.26 ft2 (DBA)

- Suction 4.14 ft2 Number of Drilled Bundles 220 Fuel Parameters:

Peak Technical Initial Specification Design Minimum Fuel Linear Heat Axial Critical Bundle Generation Rate Peaking Power Fuel Type Geometry (kW/ft)

Factor Ratio

A.

7D230 7x7 18.5 1.4 1.2 B.

8D219 8x8 13.4 1.4 1.2 C.

8D274L 8x8 13.4 1.4 1.2 D.

8D274H 8x8 13.4 1.4 1.2 E.

8D274 (High Gd) 8x8 13.4 1.4 1.2 F.

LTA 8x8 13.4 1.4 1.2 G.

8DPB289 & P8DPB289 8x8 13.4 1.4 1.2 H.

BP8DRB299 8x8 13.4 1.4 1.2 I.

BD324B 8 x 8EB 14.4 1.4 1.2 J.

BD326B 8 x 8EB 14.4 1.4 1.2

To account for the 2% uncertainty in bundle power required by Appendix K, the SCAT calculation is performed with an MCPR of 1.18 (i.e.,1.2 divided by 1.02) for a bundle with an initial MCPR of 1.20.

Amendment No. #7, 70, 100, 180f 0159s/18.268 m

VYNPS TABLE 3.11-1I MAPLHGR Versus Average Planar Exposure Plant: Vermont Yankee Fuel Type:

BD324B MAPLHGR (kW/f t) for Two Loop Operation Average Planar Exposure Majority Shutdown Power Peaking Natural (mwd /t)

Lattice Margin Zone Zone Ends 200.0 11.76 11.24 11.71 11.50 1,000.0 11.90 11.42 it.83 11.30 2,000.0 12.05 11.61 11.96 11.28 3,000.0 12.21 11.85 12.15 11.33 5,000.0 12.51 12.17 12.40 11.47 7,000.0 12.63 12.54 12.63 11.61 10,000.0 12.80 12.80 12.80 11.72 14,400.0 12.80 12.80 12.80 11.15 15,000.0 12.75 12.74 12.74 11.07 20,000.0 12.07 12.05 12.06 10.29 25,000.0 11.41 11.39 11.40 9.50 35,000.0 10.14 10.12 10.12 7.93 43,360.0 8.80 8.5 8.74 4.66 50,000.0 6.08 5.99 6.02 Source: NED0-21697, August 1977 (Revised)

MAPLHGR (kW/ft) for Single Loop Operation

Average Planar Exposure Majority Shutdown Power Peaking Natural (mwd /t)

La t tice Margin Zone Zone Ends 200.0 9.76 9.32 9.71 9.54 1,000.0 9.87 9 47 9.81 9.37 2,000.0 10.00 9.63 9.92 9.36 3,000.0 10.13 9.83 10.08 9.40 5,000.0 10.38 10.10 10.29 9.52 7,000.0 10.48 10.40 10.48 9.63 10,000.0 10.62 10.62 10.62 9.72 l

14,400.0 10.62 10.62 10.62 9.25 15,000.0 10.58 10.57 10.57 9.18 20,000.0 10.01 10.00 10.00 8.54 25,000.0 9.47 9.45 9.46 7.88 i

35,000.0 8.41 8.39 8.39 6.58 43,360.0 7.30 7.24 7.25 3.86 50,000.0 5.04 4.97 4.99 MAPLHGR for single loop operation is obtained by multiplying MAPLHGR for two loop operation by 0.83.

Amendment No.

180-n7

i l

VYNPS l

TABLE 3.11-1J MAPLHGR Versus Average Planar Exposure L

Plant: Vermont Yankee Fuel Type:

BD326B MAPLHGR (kW/f t) for Two Loop Operation Average Planar Exposure Majority Shutdown Power Peaking Natural (mwd /t)

Lattice Margin Zone Zone Ends 200.0 11.80 11.35 11.76 11.50 1,000.0 11.86 11.42 11.79 11.30 2,000.0 11.97 11.56 11.88 11.28 3,000.0 12.10 11.74 11.99 11.33 5,000.0 12.48 12.16 12.33 11.47 7,000.0 12.69 12.66 12.69 11.61 10,000.0 12.90 12.90 12.90 11.72 14,400.0 12.90 12.90 12.90 11.15 15,000.0 12.84 12.82 12.82 11.07 20,000.0 12.14 12.12 12.12 10.29 25,000.0 11.46 11.44 11.45 9.50 35,000.0 10.17 10.15 10.16 7.93 43,360.0 8.94 8.87 8.91 4.66 50,000.0 6.25 6.17 6.22 Source: NED0-21697, August 1977 (Revised)

MAPLHGR (kW/ft) for Single Loop Operation

Average Planar Exposure Majority Shutdown Power Peaking Natural (mwd /t)

Lattice Margin Zone Zone Ends 200.0 9.79 9.42 9.76 9.54 1,000.0 9.84 9.47 9.78-9.37 2,000.0 9.93 9.59 9.86 9.36 3,000.0 10.04 9.74 9.95 9.40 5,000.0 10.35 10.09 10.23 9.52 7,000.0 10.53 10.50 10.53 9.63 10,000.0 10.70 10.70 10.70 9.72 14,400.0 10.70 10.70 10.70 9.25 15,000.0 10.65 10.64 10.64 9.18 20,000.0 10.07 10.05 10.05 8.54 25,000.0 9.51 9.49 9.50 7.88 35,000.0 8.44 8.42 8.43 6.58 i

43,360.0 7.42 7.36 7.39 3.86 50,000.0 5.18 5.12 5.16

MAPLHGR for single loop operation is obtained by multiplying MAPLHGR for two loop operation by 0.83.

Amendment No.

180-n8

)

VYNPS 5.5 Spent and New Fuel Storage A.

The new fuel storage facility shall be such that the effective multiplication factor (K gg) of the fuel e

when dry is less than 0.90 and when flooded is less than 0.95.

B.

The K gg of the fuel in the spent fuel storage pool shall be less than or equal tx> 0.95.

e C.

Spent fuel storage racks may be moved (only) in accordance with written procedures which ensure that no rack modules are moved over fuel assemblies.

D.

The number of spent fuel assemblies stored in the spent fuel pool shall not exceed 2,000.

E.

The maximum core geometry infinite lattice multiplication factor of any segment of the fuel assembly stored in the spent fuel storage pool or the new fuel storage facility shall be less than or equal to 1.31 at 2000.

189 s

ATTACHMENT A New Fuel Assembly Descriptions and the Technical Basis of Their APLHGR Limits For the purpose of NRC review, the two new fuel types proposed for insertion into Vermont Yankee are described in general terms in this attachment. These assemblies are specific designs of the generic CE8x8EB design described in Reference (b) and approved by the NRC.

The specific lattice descriptions (enrichment and gadolinium distribution, water rods placement, and axial zone location) are contained in the vendor proprietary document:

"Supplement 1 to Loss-of-Coolant Accident Analysis Report for Vermont Yankee Nuclear Power Station," NEDE-21697, Supplement 1, dated November 1987.

Upon request, the latter will be provided, under separate cover letter, to be handled as proprietary information in accordance with 10CFR2.790.

Fuel Description Each of the proposed new fuel types contains an enriched middle portion with short natural uranium ends at both the top and bottom of the assembly.

The latter are called "Natural Ends" in the Technical Specification change.

The enriched middle portion of the assembly is broken down into three distinct lattices which have the same enrichment distribution, but differ by number and w/o of gadolinium pins. These are called zones.

There is a "Power Peaking Zone" near the bottom of the lattice.

This is designed with a higher w/o gadolinium to control the peaking of the predominently bottom peaked BWR.

The "Shutdown Margin Zone" is near the top of each assembly.

It contains additional, part-length, gadolinium pins to control the flux peak near the top of the reactor when the reactor is in the cold shutdown condition. The remainder of the assembly is called the "Majority Lattice" in the Technical Specification change.

Technical Basis of APLHGR Limits The specific lattices must be taken into account in the calculation of APLHGR limits because the limit consists of two components:

1) the ECCS limit, or LOCA limit, for the assembly as a whole, and 2) the thecmal-mechanical (T-M) limit which is a unique function of the local peaking factor of each lattice; that is, each axial zone.

For a given lattice, the T-M and ECCS limits may take turns at being more limiting.

Thus, the final APLHGR limits are unique to each lattice or axial zone of the assembly and consist of the most limiting of either the ECCS or T-M MAPLHGR at each given exposure point.

The ECCS, or LOCA limits are presented in Table 1 for each of the assembly types. Also shown, at each exposure statepoint, are the calculated peak cladding temperature (PCT) and local oxidation fraction.

These values were transmitted in Reference (i) and calculated using the NRC-approved methods described in Reference (c).

The T-M limits are derived by dividing the LHGR limiting duty curve by an appropriate local peaking factor. The limiting duty curve varies with exposure; the local peaking factor varies with the lattice type (zone) and exposure. Therefore, each zone has a T-M HAPLHGR, defined as a function of exposure. The T-M MAPLHGRs for each lattice were transmitted in Reference (j).

l

i Generation of APLHGR Limits Both the ECCS and T-M limits were used to derive the APLHGR limits using the more limiting, i.e., the lesser of either the T-M or ECCS MAPLHGR values at each exposure statepoir,.

Because the ECCS limits.were specifically calculated at fewer exposure statepoints, the intermediate statepoints were calculated by means of linear interpolation between the ECCS calculated statepoints. The final APLHGR limit resides at, or below, any interpolated data as well.

For each lattice, this "auctioneering" process of deriving the APLHGR limit is shown in the following:

i Table Fuel Type Lattice (Axial Zone) l 2A BD234B Natural Ends 2B BD234B Majority Lattice 2C BD234B Shutdown Margin Zone 2D BD234B Power Peaking Zone 3A BD236B Natural Ends 3B BD236B Majority Lattice

)

3C BD236B Shutdown Margin Zone 3D BD236B Power Peaking Zone For any given table, the ECCS and T-M limits are supplied directly from References (i) and (j), respectively. Where dcta is missing from the references, an interpolated value has been supplied. The middle column shows the minimum of either the ECCS or T-M limits.

The next column shows the Technical Specification proposed change APLHGR limits.

These are at or below the minimum of either the ECCS or T-M limits. This is conservative.

Notice that the Technical Specification limits are not supplied at every exposure statepoint. This is because of process computer limitations. To demonstrate i

conservatism at the missing exposure statepoints, the interpolated value for the Technical Specification limits are supplied. The last column is the APLHGR limit for single loop operation.

It is derived by multiplying the normal APLHGR limits by 0.83.

For conservatism, the results of this calculation are truncated to two decimal places.

Please notice that the exposure on the natural ends data does not extend beyond 43,360 mwd /St.

Thus, the natural enda are not-validated for exposure beyond this point. Because of their high neutron leakage, low power locations, the natural ends. are not expected to approach this exposure limit.

TABLE 1 LOCA Analysis Results for Proposed Vermont Yankee New Fugl Types A.

ECCS Based MAPLHGR Table for Bundle Type BD234B Exposure MAPLHGR PCT Local Oxidation (mwd /St)

(KW/Ft)

(DEG-F)

(Fraction) 200 11.76 1995.

0.042 1,000 11.90 2015.

0.045 5,000 12.53 2115.

0.062 10,000 12.80 2198.

0.080 15,000 12.80 2198.

0.080 20,000 12.25 2106.

0.060 25,000 11.60 2013.

0.044 35,000 10.60 1854.

0.023 45,000 9.40 1692.

0.005 50,000 8.40 1591.

0.003 B.

ECCS Based MAPLHGR Table for Bundle Type BD236B Exposure MAPLHGR PCT Local Oxidation (mwd /St)

(KW/Ft)

(DEG-F)

(Fraction) 200 11.80 2050.

0.052 1,000 11.86 2059.

0.054 5,000 12.55 2145.

0.069 10,000 12.90 2197.

0.079 15,000 12.90 2192.

0.078 20,000 12.30 2095.

0.058 25,000 11.70 2008.

0.042 35,000 10.60 1850.

0.022 45,000 9.50 1690.

0.005 50,000 8.40 1592.

0.003 i

,.,y-

,_v.,--

. ~,

TABLE 2A Derivation of APLHCR Limits for BD324B Fuel, Natural Ends 2one Exposure ECCS (LOCA)

Thermo-Mech.

Minimum of T-M Tech. Spec.

Single Loop Statepoint Limit (Ref. (i))

Limit (Ref. (j))

or ECCS Limit APLHCR Limit APLHCR Limit (mwd /St)

(Kw/ft)

(Kw/ft) i 0.0 (11.7250) 11.57 11.5700 (11.5500) 200.0 11.76 11.50 11.5000 11.50 9.54 1,000.0 11.90 11.30 11.3000 11.30 9.37 2,000.0 (12.0575) 11.28 11.2800 11.28 9.36 3,000.0 (12.2150) 11.33 11.3300 11.33 9.40 4,000.0 (12.3725) 11.40 11.4000 (11.4000) 5,000.0 12.53 11.48 11.4800 11.47 9.52 j

6,000.0 (12.5840) 11.55 11.5500 (11.5400) 7,000.0 (12.6380) 11.61 11.6100 11.61 9.63 7

8,000.0 (12.6920) 11.66 11.6600 (11.6467) 9,000.0 (12.7460) 11.69 11.6900 (11.6833) 10,000.0 12.80 11.72 11.7200 11.72 9.72 12,500.0 (12.8000) 11.44 11.4400 (11.3961) 4 14,400.0 (12.8000)

(11.1588) 11.1588 11.15 9.25 15,000.0 12.80 11.07 11.0700 11.07 9.18 20,000.0 12.25 10.29 10.2900 10.29 8.54 1

25,000.0 11.60 9.50 9.5000 9.50 7.88 35,000.0 10.60 7.93 7.9300 7.93 6.58 43,360.0 (9.5968) 4.66 4.6600 4.66 3.86 45,000.0 9.40 N/A 50,000.0 8.40 N/A N/A Not analyzed beyond this exposure statepoint.

l

() Parentheses denote linearly interpolated value.

4 i

i 5

TABLE 2B Derivation of APLHCR Limits for BD324B Fuel, Majority Lattice Zone Exposure ECCS (LOCA)

Thermo-Mech.

Minimum of T-M Tech. Spec.

Single Loop Statepoint Limit (Ref. (i))

Limit (Ref. (j))

or ECCS Limit APLHGR Limit APLHGR Limf*

(mwd /St)

(Kw/ft)

(Kw/ft) 0.0 (11.7250) 11.73 11.7250 (11.7250) 200.0 11.76 11.78 11.7600 11.76 9.76 1,000.0 11.90 11.90 11.9000 11.90 9.87 2,000.0 (12.0575) 12.08 12.0575 12.05 10.00 3,000.0 (12.2150) 12.24 12.2150 12.21 10.13 4,000.0 (12.3725) 12.37 12.3700 (12.3600) 5,000.0 12.53 12.51 12.5100 12.51 10.38 6,000.0 (12.5840) 12.65 12.5840 (12.5700) 7,000.0 (12.6380) 12.79 12.6380 12.63 10.48 8,000.0 (12.6920) 12.95 12.6920 (12.6567) 9,000.0 (12.7460) 13.11 12.7460 (12.7433) 10,000.0 12.80 13.19 12.8000 12.80 10.62 12,500.0 (12.8000) 13.09 12.8000 (12.8000) 14,400.0 (12.8000)

(12.8316) 12.8000 12.80 10.62 15,000.0 12.80 12.75 12.7500 12.75 10.58 20,000.0 12.25 12.0/

12.0700 12.07 10.01 i

l 25,000.0 11.60 11.41 11.4100 11.41 9.47 l

35,000.0 10.60 10.14 10.1400 10.14 8.41 l

43,360.0 (9.5968)

(8.8024) 8.8024 8.80 7.30 i

45,000.0 9.40 8.54 8.5400 (8.1282) 50,000.0 8.40 6.08 6.0800 6.08 5.04

() Parentheses denote linearly interpolated value.

l I

c l

r j

TABLE 2C Derivation of APLEGR Limits for BD324B Fuel, Shutdown Margin Zone Exposure ECCS (LOCA)

Thermo-Mech.

Minimum of T-M Tech. Spec.

Single Loop Statepoint Limit (Ref. (i))

Limit (Ref. (j))

or ECCS Limit APLHGR Limit APLHGR Limit (mwd /St)

(Kw/ft)

(Kw/ft) 0.0 (11.7250) 11.20 11.2000 (11.1950) l 200.0 11.76 11.27 11.2700 11.24 9.32 1,000.0 11.90 11.42 11.4200 11.42 9.47 2,000.0 (12.0575) 11.61 11.6100 11.61 9.63 3,000.0 (12.2150) 11.85 11.8500 11.85 9.83 4,000.0 (12.3725) 12.01 12.0100 (12.0100) 4 5,000.0 12.53 12.18 12.1800 12.17 10.10 6,000.0 (12.5840).

12.36 12.3600 (12.3550) 7,000.0 (12.6380) 12.54 12.5400 12.54 10.40 8,000.0 (12.6920) 12.74 12.6920 (12.6267) l 3

9,000.0 (12.7460) 12.95 12.7460 (12.7133) 1 4

10,000.0 12.80

.13.12 12.8000 12.80 10.62 12,500.0 (12.8000) 13.06 12.8000 (12.8000) 4 l

14,400.0 (12.8000)

(12.8168) 12.8000 12.80 10.62 15,000.0 12.80 12.74 12.7400 12.74 10.57 i

20,000.0 12.25 12.05 12.0500 12.05 10.00 i

25,000.0 11.60 11.39 11.3900 11.39 9.45 35,000.0 10.60 10.12 10.1200 10.12 8.39 i -

43,360.0 (9.5968)

(8.7322) 8.7322 8.73 7.24 45,000.0 9.40 8.46 8.4t;00 (8.0533) 50,000.0 8.40 5.99 5.9500 5.99 4.97

() Parentheses denote linearly interpolated value.

l l

i i

}

4 i

b

TABLE 2D Derivation of APLIIGR Limits for BD324B Fuel, Power Peaking Zone Exposure ECCS (LOCA)

Thermo-Mech.

Minimum of T-M Tech. Spec.

Single Loop Statepoint Limit (Ref. (i))

Limit (Ref. (j))

or ECCS Limit APLHGR Limit APLHCR Limit (mwd /St)

(Kw/ft)

(Kw/ft) 0.0 (11.7250) 11.68 11.6800 (11.6800) 200.0 11.7G 11.73 11.7300 11.71 9.71 1,000.0 11.90 11.83 11.8300 11.83 9.81 2,000.0 (12.0575) 11.96 11.9600 11.96 9.92 3,000.0 (12.2150) 12.15 12.1500 12.15 10.08 4,000.0 (12.3725) 12.28 12.2800 (12.2750) 5,000.0 12.53 12.40 12.4000 12.40 10.29 6,000.0 (12.5840) 12.53 12.5300 (12.5150) 7,000.0 (12.6380) 12.66 12.6380 12.63 10.48 8,000.0 (12.6920) 12.79 12.6920 (12.6867) 9,000.0 (12.7460) 12.92 12.7460 (12.7433) 10,000.0 12.80 13.07 12.8000 12.80 10.62 12,500.0 (12.8000) 13.06 12.8000 (12.8000) 14,400.0 (12.8000)

(12.8168) 12.8000 12.80 10.62 15,000.0 12.80 12.74 12.7400 12.74 10.57 20,000.0 12.25 12.06 12.0600 12.06 10.00 25,000.0 11.60 11.40 11.4000 11.40 9.46 35,000.0 10.60 10.12 10.1200 10.12 8.39 43,300.0 (9.5968)

(8.7490) 8.7490 8.74 7.25 45,000.0 9.40 8.48 8.4800 (8.0682) 50,000.0 8.40 6.02 6.0200 6.02 4.99

() Parentheses denote linearly interpolated value.

,o 1

TABLE 3A Derivation of APLHGR Limits for BD326B Fuel, Natural Ends Zone Exposure ECCS (LOCA)

Thermo-Mech.

Minimum of T-M Tech. Spec.

Single Loop Statepoint Limit (Ref. (i))

Limit (Ref. (j))

or ECCS Limit APLHGR Limit APLHCR Limit (mwd /St)

(Kw/ft)

(Kw/ft) 0.0 (11.7850) 11.57 11.5500 (11.5500) 200.0 11.80 11.50 11.5000 11.50.

9.54 1,000.0 11.86 11.30 11.3000 11.30 9.37 2,000.0 (12.0325) 11.28 11.2800 11.28 9.36 3,000.0 (12.2050) 11.33 11.3300 11.33 9.40 4,000.0 (12.3775) 11.40 11.4000 (11.4000) 5,000.0 12.55 11.48 11.4800 11.47 9.52 6,000.0 (12.6200) 11.55 11.5500 (11.5400) 7,000.0 (12.6900) 11.61 11.6100 11.61 9.63 I

8,000.0 (12.7600) 11.66 11.6600 (11.6467) 9,000.0 (12.8300) 11.69 11._6900 (11.6833) 10,000.0 12.90 11.72 11.7200 11.72 9.72 12,500.0 (12.9000) 11.44 11.4400 (11.3961) 14,400.0 (12.9000)

(11.1588) 11.1588 11.15 9.25 15,000.0 12.90 11.07 11.0700 11.07 9.18 20,000.0 12.30 10.29 10.2900 10.29 8.54 25,000.0 11.70 9.50 9.5000 9.50 7.88 35,000.0 10.60 7.93 7.9300 7.93 6.58 43,360.0 (9.6804) 4.66 4.6600 4.66 3.86 45,000.0 9.50 N/A 50,000.0 8.40 N/A i.

I N/A Not analyzed beyond this exposure statepoint.

( ) Parentheses denote linearly interpolated value.

l

=

TABLE 3B Derivation of APLHCR Limits for BD326B Fuel, Majority Lattice Zone Exposure ECCS (LOCA)

Thermo-Mech.

Minimum of T-M Tech. Spec.

Single Loop 1

Statepoint Limit (Ref. (i))

Limit (Ref. (j))

or ECCS Limit APLHCR Limit APLHGR Limit (mwd /St)

(Kw/ft)

(Kw/ft) 0.0 (11.7850) 11.82 11.7850 (11.7850) 200.0 11.80 11.81 11.8000 11.80 9.79 2

1,000.0 11.86 11.86 11.8600 11.86 9.84 2,000.0 (12.0325) 11.97 11.9700 11.97 9.93 3,000.0 (12.2050) 12.12 12.1200 12.10 10.04 4,006.0 (12.3775) 12.29 12.2900 (12.2900) 5,000.0 12.55 12.49 12.4900 12.48 10.35 6,000.0 (12.6200) 12.69 12.6200 (12.5850) 7,000.0 (12.6900) 12.91 12.6900 12.69 10.53 8,000.0 (12.7600) 13.13 12.7600 (12.7600) 9,000.0 (12.8300) 13.22 12.8300 (12.8300) 10,000.0 12.90 13.25 12.9000 12.90 10.70 12,500.0 (12.9000) 13.19 12.9000 (12.9000) 14,400.0 (12.9000)

(12.9240) 12.9000 12.90 10.70 15,000.0 12.90 12.84 12.8400 12.84 10.65 20,000.0 12.30 12.14 12.1400 12.14 10.07 I

25,000.0 11.70 11.46 11.4600 11.46 9.51 35,000.0 10.60 10.17 10.1700 10.17 8.44 i

43,360.0 (9.6804)

(8.9494) 8.9494 8.94 7.42 I

45,000.0 9.50 8.71 8.7100 (8.2756) l 50,000.0 8.40 6.25 6.2500 6.25 5.18

() Parentheses denote linearly interpolated value.

I l

i l

i i

s I

TABLE 3C Derivation of APLHCR Limits for BD326B Fuel, Shutdown Margin Zone Exposure ECCS (LOCA)

Thermo-Mech.

Minimum of T-M Tech. Spec.

Single Loop l

Statepoint Limit (Ref. (i))

Limit (Ref. (j))

or ECCS Limit APLHCR Limit APLHGR Limit (mwd /St)

(Kw/ft)

(Kw/ft) 0.0 (11.7850) 11.35 11.3500 (11.3325) 200.0 11.80 11.36 11.3600 11.35 9.42 1,000.0 11.86 11.42 11.4200 11.42 9.47 2,000.0 (12.0325) 11.56 11.5600 11.56 9.59 3,000.0 (12.2050) 11.74 11.7400 11.74 9.74 4,000.0 (12.3775) 11.95 11.9500 (11.9500) 5,000.0 12.55 12.17 12.1700 12.16 10.09 6,000.0 (12.6200) 12.41 12.4100 (12.4100) 7,000.0 (12.6900) 12.67 12.6700 12.66 10.50 8,000.0 (12.7600) 12.93 12.7600 (12.7400) 9,000.0 (12.8300) 13.13 12.8300 (12.8200) 10,000.0 12.90 13.18 12.9000 12.90 10.70 12,500.0 (12.9000) 13.16 12.9000 (12.9000) 14,400.0 (12.9000)

(12.9016) 12.9000 12.90 10.70 15,000.0 11.90 12.82 12.8200 12.82 10.64 20,000.0 12.30 12.12 12.1200 12.12 10.05 25,000.0 11.70 11.44 11.4400 11.44 9.49 35,000.0 10.60 10.15 10.1500 10.15 8.42 43,360.0 (9.6804)

(8.8793) 8.8793 8.87 7.36 45,600.0 9.50 8.63 8.6300 (8.2031) 50,000.0 8.40 6.17 6.1700 6.17 5.12

( ) Parentheses denote linearly interpolated value.

t TABLE 3D

~-

Derivation of APLHGR Limits for BD326B Fuel, Power Peaking Zone Exposure ECCS (LOCA)

Thermo-Mech.

Minimum of T-M Tech. Spec..

Single Loop Statepoint Limit (Ref. (i))

Limit (Ref. (j))

or ECCS Limit APLHGR Limit APLHGR Limit (mwd /St)

(Kw/ft)

(Kw/ft) 0.0 (11.7850) 11.77 11.7700

~(11.7525) 200.0 11.80 11.76 11.7600 11.76 9.76 1,000.0 11.86 11.79 11.7900 11.79 9.78 2,000.0 (12.0325) 11.88 11.8800 11.88 9.86 3,000.0 (12.2050) 12.01 12.0100 11.99 9.95 4,000.0 (12.3775) 12.16 12.1600 (12.1600) 5,000.0 12.55 12.33 12.3300 12.33 10.23 6,000.0 (12.6200) 12.51 12.5100 (12.5100) 7,000.0 (12.6900) 12.71 12.6900 12.69 10.53 8,000.0 (12.7600) 12.91 12.7600 (12.7600) 9,000.0 (12.8300) 13.12-12.8300 (12.8300) 10,000.0 12.90 13.21 12.9000 12.90 10.70 12,500.0 (12.9000) 13.16 12.9000 (12.9000) 14,400.0 (12.9000)

(12.9016) 12.9000 12.90 10.70 15,000.0 12.90 12.82 12.8200 12.82 10.64 20,000.0 12.30 12.12 12.1200 12.12 10.05 25,000.0 11.70 11.45 11.4500 11.45 9.50 35,000.0 10.60 10.16 10.1600 10.16 8.43

.43,360.0 (9.6804)

(8.9144) 8.9144 8.91 7.39 45,000.0 9.50 8.67 8.6700 (8.2456) 50,000.0 8.40 6.22 6.2200 6.22 5.16

() Parentheses denote linearly interpolated value.

- - - -

ML20154H989

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