Document: NRC Regulatory Guide
Document ID: c7b1689b-ff17-4083-9fb1-f91b6965ea1a
Document Type: regulatory_guide
Title: Design Basis Floods for Nuclear Power Plants + HISTORY - HISTORY 02/2022 – DG-1290 , Proposed Revision 3 09/2014 – Periodic Review of Revision 2 – Revise 07/1980 – Errata to Revision 2 07/2024 – DG-1290 Revision 1 (Rev. 2)
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML0037/ML003740388.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-1.59
CFR Part: 
CFR Title: 

Content:
ATION PARAMETER DESIGNATIONS SIOW HODERATF HIGH ,(sT) (n) H) ENTRAL PRESSURE INDEX P0 INCHS 27.12 R'IPImUA PRESSURE P• INCHES 30.70 RADIUS TO MAXIMUM WIND LARCE RADIUS NAUT. MI. 40 r1RASIATION SPEED r! (F•ORWARD spra)KNOTS i 49 D(IUM WIND SPEED V. K.P.H. 142 INIrIAL DISTAMCE-11A .MI.A ROM 20 MPH WIND A~T MSHORE TO . yMAX*WN PMH OCMPUTATIONAL COOEFICIENT AND WATER LEVEL (SURGE) ESTIMATES "C 0 E F F I C I E N T 5 BOTTOM FRICTION FACTOR 0.0025 WIND STRESS CORRECTION FACTOR 1.10 WATER Lh VEL DATA (AT OPEN CCAST SHORELINE) PMH SPEED OF TRANSLATION ODMPONENTS ST i MT Hr F 3 E T.T WIND SETUP 15.32 PRESSURE SETUP 2.5? INITIAL WATER LEV* 1.10 1AUMNOMICAL 5.70 r I IDL L-V "AL-SURGE 2 STILL WATER L. ET MLW. TABLE C.17 SUI4AM Y-PERTINENT PROBABLE HAXIMUJ. hWHRICANE (PMH), STORM M:RGE COMPUTATIONAL DATA AND RESULTANT WATER LEVEL LOCATION LONG ISLAND.LAT. 410 00' LONG. 7i201.8%' TRAVEiSE-AZIMUTH 166 CONNECTICUT DECREEa LENGTH 68.4 NAUTICAL MILES r' Note: Maximum wind speed is assumed to be on the traverse that is to right of storm track a distance equal to the radius to maximum wind. 1/Initial distance is distance along traverse from shoreline to maximum wind when leading 20 mph isovel intersects shoreline. Storm diameter between 20 mph isovels is approxi mately double the initial distance. OCEAN BED PROFILE TRAVERSE WATER DISTANCE DEPTH FROM BELOW SHORE HMU (HAUT. mi.) JFEgrE 0 0 _ 0.2 22 0.5 38 _ 1.0 43 _ 1.5 53 2.0 67 - 3.0 82 - 5.0 102 _ 10.0 132 _ 15.0 145 _ 20.0 170 30.0 212 40.0 240 50.0 260 - 60.0 302 68.4 6O0 70.0 870 1ATITUDE . 400 27' DEGREE AT TRAVERSE ID-POINT FHOM SHORE 60o-Foz DFTr' PMH (XMPUTATIONAL COEWFICIENT AND WATER LEVEL (SURGE) ESTIMATES COEFFIC-1ENTS BO1`nf FRICTION FACTOR 0.0025 WIND sbfRESS CORREMION FACTOR 1.10 WATER LEV EL DATA (AT OPEN MAS SWORELINS) PMH SPEED OF TRANSLATION COMPONENTS ST I MT u S _ _E E T WIND SETUP 8.73 PRESSURE SETUP 2.46 INITIAL WATIR LEV. 0.97 &STONONICAL 3.10 TIDE LEVEL WTAL-SURGE STILL WATER LWV. 15.26 E1EET MLW ( PROBABLE