ML24263A285
| ML24263A285 | |
| Person / Time | |
|---|---|
| Site: | HI-STORM 100 |
| Issue date: | 09/19/2024 |
| From: | Holtec |
| To: | Office of Nuclear Material Safety and Safeguards |
| Shared Package | |
| ML24263A279 | List: |
| References | |
| 5021079 | |
| Download: ML24263A285 (1) | |
Text
SFSC Heat Removal System 3.1.2 Certificate of Compliance No. 1040 Amendment No. 54 Appendix A 3.1.2-1 3.1 SFSC INTEGRITY 3.1.2 SFSC Heat Removal System LCO 3.1.2 The SFSC Heat Removal System shall be operable
NOTE--------------------------------------------------
Operability is defined as either 50% or more of the uncovered inlet and outlet vent duct areas being unblocked and available for air flow or when differential temperature requirements are met ---------------------------------------------------------------------------------------
NOTE--------------------------------------------------
This LCO is not applicable to HI-STORM UMAX VERSION B2, because the inlet vent openings are purposely covered to raise the MPC surface temperature while maintaining the fuel cladding temperature below applicable limits.
APPLICABILITY: During STORAGE OPERATIONS after closure lid installed.
ACTIONS
NOTE--------------------------------------------------
Separate Condition entry is allowed for each SFSC.
CONDITION REQUIRED ACTION COMPLETION TIME A. SFSC Heat Removal System operable, but partially blocked.
A.1 Remove blockage.
N/A B. SFSC Heat Removal System inoperable.
B.1 Restore SFSC Heat Removal System to operable status.
8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> C. Required Action B.1 and associated Completion Time not met.
C.1 Measure SFSC dose rates in accordance with the Radiation Protection Program.
Immediately and once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> thereafter AND C.2.1 Restore SFSC Heat Removal System to operable status.
24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> OR C.2.2 Transfer the MPC into a TRANSFER CASK.
24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> to Holtec Letter 5021079
Certificate of Compliance No. 1040 Amendment No. 52 Appendix B i
TABLE OF CONTENTS 1.0 DEFINITIONS........................................................................................................ 1-1 2.0 APPROVED CONTENTS...................................................................................... 2-1 2.1 Fuel Specifications and loading conditions........................................................ 2-1 2.2 Violations........................................................................................................... 2-1 2.3 Decay Heat Limits........................................................................................... 2-15 Table 2.1-1 Fuel Assembly Limits.......................................................................... 2-2 Table 2.1-2 PWR Fuel Assembly Characteristics.................................................. 2-6 Table 2.1-3 BWR Fuel Assembly Characteristics.................................................. 2-9 Table 2.1-4 Classification of Fuel Assembly for MPC-37 in the HI-STORM UMAX System...................................................................................................... 2-14 Table 2.3-1 Permissible Heat Load for long term storage.................................... 2-16 Table 2.3-2 HI-STORM UMAX MPC-37 Type 1 Permissible Heat Loads............ 2-19 Table 2.3-3 HI-STORM UMAX Version B1 MPC-37 Permissible Heat Loads......2-20 Table 2.3-4 HI-STORM UMAX Version B1 MPC-37 Type 1 Permissible Heat Loads
...2-20 Table 2.3-5 HI-STORM UMAX Version B2 MPC-37 Permissible Heat Loads..2-21 Table 2.3-6 HI-STORM UMAX Version B2 MPC-37 Type 1 Permissible Heat Loads
...2-21 Figure 2.3-1 HI-STORM UMAX MPC-37 Permissible Heat Load Chart 1 for Long-term Storage for Short and Standard Fuel...................................... 2-231 Figure 2.3-2 HI-STORM UMAX MPC-37 Permissible Heat Load Chart 2 for Long-Term Storage for Short and Standard Fuel..................................... 2-242 Figure 2.3-3 HI-STORM UMAX MPC-37 Permissible Heat Load Chart 3 for Long-term Storage for Short Fuel............................................................ 2-253 Figure 2.3-4 HI-STORM UMAX MPC-37 Permissible Heat Load Chart 3 for Long-term Storage for Standard Fuel...................................................... 2-264 Figure 2.3-5 HI-STORM UMAX MPC-37 Permissible Heat Load Chart 1 for Long-term Storage for Long Fuel............................................................. 2-275 Figure 2.3-6 HI-STORM UMAX MPC-37 Permissible Heat Load Chart 2 for Long-term Storage for Long Fuel............................................................. 2-286 Figure 2.3-7 HI-STORM UMAX MPC-37 Permissible Heat Load Chart 3 for Long-term Storage for Long Fuel........................................................... 2-2927 Figure 2.3-8 HI-STORM UMAX MPC-37 Permissible Heat Load for Short and Standard Fuel for Helium Backfill Option3 in Table 3-2 of Appendix A................................................................................... 2-3028 Figure 2.3-9 HI-STORM UMAX MPC-37 Permissible Heat Load for Long Fuel for Helium Backfill Option 3 in Table 3-2 of Appendix A..................... 2-3129 Figure 2.3-10 HI-STORM UMAX MPC-89 Permissible Heat Load for Long-Term Storage.......................................................................................... 2-320 Figure 2.3-11 HI-STORM UMAX MPC-89 Permissible Heat Load for Helium Backfill to Holtec Letter 5021079
Certificate of Compliance No. 1040 Amendment No. 52 Appendix B ii Option 2 in Table 3-2 of Appendix A.............................................. 2-331 Figure 2.3-12 HI-STORM UMAX MPC-37 Permissible Threshold Heat Load for VDS High Burnup Fuel in Table 3-1 of Appendix A and Helium Backfill Option 3 in Table 3-2 of Appendix A........................................................... 2-342 Figure 2.3-13 HI-STORM UMAX MPC-89 Permissible Threshold Heat Load for VDS High Burnup Fuel in Table 3-1 of Appendix A and Helium Backfill Option 2 in Table 3-2 of Appendix A........................................................... 2-353 Figure 2.3-14 HI-STORM UMAX MPC-37 Permissible Heat Load for 16x16A Undamaged Fuel with up to Thirty-seven DFCs............................. 2-364 Figure 2.3-15 HI-STORM UMAX B1 MPC-37 Permissible Heat Load for Standard Fuel 16x16A....2-37 Figure 2.3-16 HI-STORM UMAX BI MPC-37 Type 1 Permissible Heat Load for Standard Fuel 16x16A...2-38 Figure 2.3-17 HI-STORM UMAX B2 MPC-37 Permissible Heat Load for Standard Fuel 16x16A...2-39 Figure 2.3-18 HI-STORM UMAX B2 or MPC-37 Type 1 Permissible Heat Load for Standard Fuel 16x16A...2-40 Figure 2.3-195: HI-STORM UMAX MPC-37 Type 1 Heat Permissible Heat Loads 2-4135 3.0 DESIGN FEATURES............................................................................................. 3-1 3.1 Site.................................................................................................................... 3-1 3.2 Design Features Important for Criticality Control............................................... 3-1 3.3 Codes and Standards........................................................................................ 3-2 3.4 Site Specific Parameters and Analyses........................................................... 3-10 3.5 Combustible Gas Monitoring During MPC Lid Welding and Cutting................ 3-16 3.6 Periodic Corrosion Inspections for Underground Systems.............................. 3-16 Figure 3-1 SUBGRADE AND UNDERGRADE SPACE NOMENCLATURE....3-15 Table 3-1 List of ASME Code Alternatives for Multi-Purpose Canisters (MPCs)..... 3-3 Table 3-2 REFERENCE ASME CODE PARAGRAPHS FOR HI-STORM UMAX OVERPACK and HI-TRAC VW TRANSFER CASK, PRIMARY LOAD BEARING PARTS.................................................................................. 3-8 Table 3-3 LOAD COMBINATIONS FOR THE TOP SURFACE PAD, ISFSI PAD, AND SUPPORT FOUNDATION PAD PER ACI-318 (2005)................. 3-12 Table 3-4 Values of Principal Design Parameters for the Underground ISFSI...... 3-13 to Holtec Letter 5021079
Approved Contents 2.0 Certificate of Compliance No.1040 Amendment No. 52 Appendix B 2-16 2.3 Decay Heat Limits This section provides the limits on fuel assembly decay heat for storage in the HI-STORM UMAX Canister Storage System. The method to verify compliance, including examples, is provided in Chapter 13 of the HI-STORM UMAX FSAR.
2.3.1 Fuel Loading Decay Heat Limits Table 2.3-1 provides the maximum permissible decay heat under long-term storage for MPC-37 and MPC-89. Table 2.3-1 also lists the applicable figures providing the permissible decay heat per fuel storage location, including MPCs using the optional helium backfill pressure ranges permitted in Table 3-2 of Appendix A.
2.3.2 HI-STORM UMAX VERSION B1 Fuel Loading Decay Heat Limits Table 2.3-3 provides the maximum permissible decay heat under long-term storage for MPC-37 with HI-STORM UMAX Version B1. Table 2.3-4 provides the maximum permissible decay heat under long-term storage for MPC-37 type 1 with HI-STORM UMAX Version B1.
2.3.3 HI-STORM UMAX VERSION B2 Fuel Loading Decay Heat Limits Table 2.3-5 provides the maximum permissible decay heat under long-term storage for MPC-37 with HI-STORM UMAX Version B2. Table 2.3-6 provides the maximum permissible decay heat under long-term storage for MPC-37 type 1 with HI-STORM UMAX Version B2.
to Holtec Letter 5021079
Approved Contents 2.0 Certificate of Compliance No.1040 Amendment No. 52 Appendix B 2-18 3-1
- 3. See Table 2.1-4 for fuel length data
- 4. Aggregate heat load is defined as the sum of heat loads of all stored fuel assemblies. The permissible aggregate heat load is set to 80% of the design basis heat load.
- 5. This aggregate heat load has been calculated with significant margin to fuel cladding limits, and is therefore not subject to the 80% penalty.
- 6. As stated in Table 2.1-1 Item I.B, this can include undamaged fuel both in DFCs and not, and damaged fuel in DFCs. These heat load limits apply with one or more undamaged fuel assemblies stored in DFCs.
- 7. For MPC-37 Type 1, the permissible Aggregate Heat Load is given in Table 2.3-2 7.8.
For MPC-37, and MPC-37 Type 1 stored in HI-STORM UMAX Version B1 and B2 systems, Tables 2.3-3, 2.3-4, 2.3-5, and 2.3-6 contain additional Heat Load restrictions. to Holtec Letter 5021079
Approved Contents 2.0 Certificate of Compliance No.1040 Amendment No. 52 Appendix B 2-19 TABLE 2.3-2 HI-STORM UMAX MPC-37 TYPE 1 PERMISSIBLE HEAT LOADS Fuel Type (Note 1)
Helium Backfill Pressure Option (Note 2)
Heat Load per Storage Cell Permissible Aggregate Heat Load (Note 3), kW Standard Fuel 1
Figure 2.3-15 32.3 Note 1: See Table 2.1-4 for fuel length data Note 2: For helium backfill pressure option pressure ranges see Appendix A, Table 3-2 Note 3: The aggregate heat load is defined as a sum of all stored fuel assemblies.
Note 4: See Tables 2.3-4 and 2.3-6 for further restrictions regarding HI-STORM UMAX Version B1 and B2 Systems.
to Holtec Letter 5021079
Approved Contents 2.0 Certificate of Compliance No.1040 Amendment No. 52 Appendix B 2-20 2.3.42 When complying with the maximum fuel storage location decay heat limits, users must account for the decay heat from both the fuel assembly and any NON-FUEL HARDWARE, as applicable for the particular fuel storage location, to ensure the decay heat emitted by all contents in a storage location does not exceed the limit.
to Holtec Letter 5021079
Approved Contents 2.0 Certificate of Compliance No.1040 Amendment No. 52 Appendix B 2-21 Table 2.3-3 HI-STORM UMAX Version B1 MPC-37 PERMISSIBLE HEAT LOADS MPC Type Fuel Type (See Table 2.1-4 for length data)
Fuel Assembly Array and Class Heat Load limit per Storage Cell (Note 1)
Permissible Aggregate Heat Load (Note 2),
kW MPC-37 Standard Fuel 16x16 A Figure 2.3-15 38.51 Note 1: See Figure 2.3-15 for more details about per cell heat load.
Note 2: The aggregate heat load is defined as a sum of all stored fuel assemblies.
Table 2.3-4 HI-STORM UMAX Version B1 MPC-37 Type 1 PERMISSIBLE HEAT LOADS MPC Type Fuel Type (See Table 2.1-4 for length data)
Fuel Assembly Array and Class Heat Load limit per Storage Cell (Note 1)
Permissible Aggregate Heat Load (Note 2),
kW MPC-37 Type 1
Standard Fuel 16x16 A Figure 2.3-16 31.44 Note 1: See Figure 2.3-16 for more details about per cell heat load.
Note 2: The aggregate heat load is defined as a sum of all stored fuel assemblies.
to Holtec Letter 5021079
Approved Contents 2.0 Certificate of Compliance No.1040 Amendment No. 52 Appendix B 2-22 Table 2.3-5 HI-STORM UMAX Version B2 MPC-37 PERMISSIBLE HEAT LOADS MPC Type Fuel Type (See Table 2.1-4 for length data)
Fuel Assembly Array and Class Heat Load limit per Storage Cell (Note 1)
Permissible Aggregate Heat Load (Note 2),
kW MPC-37 Standard Fuel 16x16 A Figure 2.3-17 11.65 Note 1: See Figure 2.3-17 for more details about per cell heat load.
Note 2: The aggregate heat load is defined as a sum of all stored fuel assemblies.
Table 2.3-6 HI-STORM UMAX Version B2 MPC-37 Type 1 PERMISSIBLE HEAT LOADS MPC Type Fuel Type (See Table 2.1-4 for length data)
Fuel A ssembly Array and Class Heat Load limit per Storage Cell (Note 1)
Permissible Aggregate Heat Load (Note 2),
kW MPC-37 Type 1 Standard Fuel 16x16 A Figure 2.3-18 9.50 Note 1: See Figure 2.3-18 for more details about per cell heat load.
Note 2: The aggregate heat load is defined as a sum of all stored fuel assemblies.
to Holtec Letter 5021079
Approved Contents 2.0 Certificate of Compliance No.1040 Amendment No. 52 Appendix B 2-37 1
1.090 2
0.795 3
1.090 4
1.040 5
1.210 6
1.310 7
1.210 8
1.040 9
1.090 10 1.210 11 0.870 12 0.870 13 0.870 14 1.210 15 1.090 16 0.795 17 1.310 18 0.870 19 0.575 20 0.870 21 1.310 22 0.795 23 1.090 24 1.210 25 0.870 26 0.870 27 0.870 28 1.210 29 1.090 30 1.040 31 1.210 32 1.310 33 1.210 34 1.040 35 1.090 36 0.795 37 1.090 Figure 2.3-15 HI-STORM UMAX B1 MPC-37 Permissible Heat Load for Standard Fuel 16x16A Legend Cell ID Heat Load, kW to Holtec Letter 5021079
Approved Contents 2.0 Certificate of Compliance No.1040 Amendment No. 52 Appendix B 2-38 1
0.705 2
0.825 3
0.705 4
0.640 5
1.030 6
1.195 7
1.030 8
0.640 9
0.705 10 1.030 11 0.830 12 0.830 13 0.830 14 1.030 15 0.705 16 0.825 17 1.195 18 0.830 19 0.280 20 0.830 21 1.195 22 0.825 23 0.705 24 1.030 25 0.830 26 0.830 27 0.830 28 1.030 29 0.705 30 0.640 31 1.030 32 1.195 33 1.030 34 0.640 35 0.705 36 0.825 37 0.705 Figure 2.3-16 HI-STORM UMAX B1 MPC-37 Type 1 Permissible Heat Load for Standard Fuel 16x16A Legend Cell ID Heat Load, kW to Holtec Letter 5021079
Approved Contents 2.0 Certificate of Compliance No.1040 Amendment No. 52 Appendix B 2-39 1
0.330 2
0.240 3
0.330 4
0.315 5
0.365 6
0.395 7
0.365 8
0.315 9
0.330 10 0.365 11 0.265 12 0.265 13 0.265 14 0.365 15 0.330 16 0.240 17 0.395 18 0.265 19 0.175 20 0.265 21 0.395 22 0.240 23 0.330 24 0.365 25 0.265 26 0.265 27 0.265 28 0.365 29 0.330 30 0.315 31 0.365 32 0.395 33 0.365 34 0.315 35 0.330 36 0.240 37 0.330 Figure 2.3-17 HI-STORM UMAX B2 MPC-37 Permissible Heat Load for Standard Fuel 16x16A Legend Cell ID Heat Load, kW to Holtec Letter 5021079
Approved Contents 2.0 Certificate of Compliance No.1040 Amendment No. 52 Appendix B 2-40 1
0.215 2
0.250 3
0.215 4
0.195 5
0.310 6
0.360 7
0.310 8
0.195 9
0.215 10 0.310 11 0.250 12 0.250 13 0.250 14 0.310 15 0.215 16 0.250 17 0.360 18 0.250 19 0.085 20 0.250 21 0.360 22 0.250 23 0.215 24 0.310 25 0.250 26 0.250 27 0.250 28 0.310 29 0.215 30 0.195 31 0.310 32 0.360 33 0.310 34 0.195 35 0.215 36 0.250 37 0.215 Figure 2.3-18 HI-STORM UMAX B2 MPC-37 Type 1 Permissible Heat Load for Standard Fuel 16x16A Legend Cell ID Heat Load, kW to Holtec Letter 5021079
Approved Contents 2.0 Certificate of Compliance No.1040 Amendment No. 52 Appendix B 2-41 0.725 0.865 0.725 0.66 1.075 1.24 1.075 0.66 0.725 1.075 0.775 0.865 0.775 1.075 0.725 0.865 1.24 0.865 0.285 0.865 1.24 0.865 0.725 1.075 0.775 0.865 0.775 1.075 0.725 0.66 1.075 1.24 1.075 0.66 0.725 0.865 0.725 Figure 2.3-195: HI-STORM UMAX MPC-37 Type 1 Heat Permissible Heat Loads (All storage cell heat loads are in kW)
Note that this figure shows the per cell heat load limit for storage. The permissible aggregate heat load may be less than the sum of each individual cell heat load. See Table 2.3-2 for corresponding permissible aggregate heat load and the helium backfill option. to Holtec Letter 5021079