ML16343A736
| ML16343A736 | |
| Person / Time | |
|---|---|
| Site: | Cook  |
| Issue date: | 10/24/2016 |
| From: | Indiana Michigan Power Co |
| To: | Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML16336A263 | List:
|
| References | |
| AEP-NRC-2016-42 | |
| Download: ML16343A736 (3) | |
Text
IINNDDIIAANNAA AANNDD M MIICCHHIIGGAANN PPOOW WEERR DD.. CC.. CCOOOOKK NNUUCCLLEEAARR PPLLAANNTT UUPPDDAATTEEDD FFIINNAALL SSAAFFEETTYY AANNAALLYYSSIISS RREEPPOORRTT Revision:
23 Table: 14.3.5-2 Page:
1 of 3 UNIT 1 PARAMETERS USED FOR THE CONTROL ROOM RADIOLOGICAL CONSEQUENCE ANALYSIS OF A LOSS OF COOLANT ACCIDENT Parameter Value Core Power Level 3480 MWt Containment Volumes Upper Containment Sprayed 609,000 ft3 Upper Containment Unsprayed 120,000 ft3 Ice Condenser 103,000 ft3 Lower Containment Sprayed 101,000 ft3 Lower Containment Unsprayed 64,000 ft3 Fan/Accumulator Rooms 47,000 ft3 Dead-Ended 18,000 ft3 Containment Ventilation Flow Rates1 Fan/Acc Rooms to LC Unsprayed 14,530 cfm LC Unsprayed to Fan/Acc Rooms 1,350 cfm LC Unsprayed to Dead-Ended 90 cfm Dead-Ended to Fan/Acc Rooms 90 cfm LC Unsprayed to Ice Condenser 13,090 cfm Fan/Acc Rooms to LC Sprayed 22,910 cfm LC Sprayed to Ice Condenser 22,910 cfm Ice Condenser to UC Sprayed 30,070 cfm UC Sprayed to Fan/Acc Rooms 30,070 cfm Ice Condenser to UC Unsprayed 5,930 cfm UC Unsprayed to Fan/Acc Rooms 5,930 cfm Containment Ventilation Initiation 3 min Elemental Iodine Removal Coefficients Upper Containment Sprayed 20 hr-1 Lower Containment Sprayed 20 hr-1 Fan/Accumulator Rooms 20 hr-1 Particulate Iodine Removal Coefficients Upper Containment Sprayed Decontamination Factor 50 5.17 hr-1 Decontamination Factor > 50 0.517 hr-1 Lower Containment Sprayed Decontamination Factor 50 6.83 hr-1 Decontamination Factor > 50 0.683 hr-1 Fan/Accumulator Rooms 1 Flow rates listed do not include the contribution from natural convection.
IINNDDIIAANNAA AANNDD M MIICCHHIIGGAANN PPOOW WEERR DD.. CC.. CCOOOOKK NNUUCCLLEEAARR PPLLAANNTT UUPPDDAATTEEDD FFIINNAALL SSAAFFEETTYY AANNAALLYYSSIISS RREEPPOORRTT Revision:
23 Table: 14.3.5-2 Page:
2 of 3 UNIT 1 PARAMETERS USED FOR THE CONTROL ROOM RADIOLOGICAL CONSEQUENCE ANALYSIS OF A LOSS OF COOLANT ACCIDENT Parameter Value Decontamination Factor 50 3.15 hr-1 Decontamination Factor > 50 0.315 hr-1 Spray Initiation 3 min Spray Interruption for Switchover to Recirculation Mode 31 min - 38 min Maximum Elemental Iodine Decontamination Factor 200 Duration of Elemental Iodine Removal Effectiveness 2.352 hr Duration of Particulate Iodine Removal Effectiveness Decontamination Factor of 50 Attained 2.615 hr Credit for Spray Terminated 24 hr Containment Leak Rate 0 - 24 hr 0.25 weight % per day 24 - 720 hr 0.125 weight % per day Containment Sump Volume 50,000 ft3 Minimum Containment Sump pH 7.0 Effective Unfiltered ESF Leakage Outside Containment 0.2 gpm ESF Leakage Iodine Flashing Fraction 0.1 Iodine Chemical Form in Containment Atmosphere Elemental 4.85%
Organic 0.15%
Particulate 95%
Iodine Chemical Form in ESF Leakage Elemental 97%
Organic 3%
Start of ESF Leakage Outside Containment 31 min Containment Purge Flow Rate 23,100 cfm Containment Purge Duration 30 sec Iodine Chemical Form for Containment Purge Release Elemental 4.85%
Organic 0.15%
Particulate 95%
Release Locations Containment Leakage Release Path Containment Surface ESF Leakage Release Path Unit Vent Containment Purge Release Path Unit Vent Control Room Parameters Volume 50,000 ft3
IINNDDIIAANNAA AANNDD M MIICCHHIIGGAANN PPOOW WEERR DD.. CC.. CCOOOOKK NNUUCCLLEEAARR PPLLAANNTT UUPPDDAATTEEDD FFIINNAALL SSAAFFEETTYY AANNAALLYYSSIISS RREEPPOORRTT Revision:
23 Table: 14.3.5-2 Page:
3 of 3 UNIT 1 PARAMETERS USED FOR THE CONTROL ROOM RADIOLOGICAL CONSEQUENCE ANALYSIS OF A LOSS OF COOLANT ACCIDENT Parameter Value Normal Ventilation Makeup Flow Rate 880 cfm Emergency Ventilation Makeup Flow Rate 880 cfm Emergency Ventilation Recirculation Flow Rate 4520 cfm Emergency Ventilation Filter Efficiency Elemental Iodine2 94.05%
Organic Iodide(2) 94.05%
Particulates 99%
Delay to Switch to Emergency Mode 1 min Unfiltered Inleakage3 80 cfm Occupancy Factors 0 - 24 hr 1.0 24 - 96 hr 0.6 96 - 720 hr 0.4 Breathing Rate 3.5E-04 m3/sec 2 Includes charcoal filter efficiency of 95% and charcoal bypass leakage of 1%.
3 Includes 10 cfm for ingress and egress.