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:
27.29 27.29 27.29 P a INCHES 30.54 30.54 30.54 UaDIS TO MAXIMUM WIND IARG RADIUS NAUT. MI. 49 49 4 XIMUM MIND SPEED VA M.P.H. 113 126 134 INITIAL DISTANCE-NAUT.MI .1 FROM 20 MPH WIND 348 284. 255 AT S HO VE IQ MA•X , WI - PMH OC?1PUTATIONAL COOVFICIMN AND WATER LEVEL (SURGE) ESTIMATES C O F F I E ENT S IX•OT•IV YICTION FACTOR 0.0025 WIND STRESS CORRECTION FACTOR 1.10 WATER LEVE.L DATA (AT OPEN OCAST SHORELINE) PIH SPEED OF TRANSIATION COMPONENTS STI MT -IH F E E" T _. WIND SETUP 10.01 PRESSURE SETUP 2.42 INITIAL WATER LEV. 0.96 .STRON0MIC.L 4.00 POTAhL-SURGE STILL WATER LLk. 17.39 T•-r-LW TABLE C.19 SUPARY-PERTINENT PROBABLE MAXIMUk HURRICANE (PFH), STORM SUGIO COMPUIATIONAL LATA AND RESULTANT WATER)LEVEL LOCATION HAMPTON LT. 420 57' 1ONG. 70"47.l' 'i TRAVQtSE-AZIML 115 cH NEW H&HPSHIRE 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. F-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. C PROR&BI MAXIMUM HURRICANE INDEX CHARAC.!tISTICS ZONE 4 AT LOCATION 420 57' DEGRE NORTh S' ... |SPEE OF THMANS AION PARAMETER IESIGNATIONS SIOW HODESATF HIGH . : •-(sT) (,.,r) , CElAL PRESSURE INDEX .- P 0INCHES 27.44 27.44 27.44 PERIPHERAL PRESSURE Pn INCHES 30.42 30.42 30.42 RADIUS T0 NAXIMUM WIND LARG RADIUJS FAUT. KI. 57 57 57 TANSLATIGN SPEED iy (FOWARD SPEED) KNOTS 1 1? 37 52 MAXINUM WIND SPEED, Pvx .. ,. 107o 118 n 1 INITIAL DiAmcE.-RWT.mI.ND F!ROM 20MPH WIND ,- 353 290 262 4T SHORE TO WA. WIND 1........ DWRE{E LENG'H 40 NAUTICAL MILS C r Uf, OCEAN BED PROFILE TRAVERSE WATER DISTANCE DEPTH FROM BIOW SHORE MLN (k,.TMi.){ (FFE•) - 0 0 - 0.2 8 - 0.5 40 - 1.0 64 - 1.5 82 , 2.0 100 - 3.0 105 - 5.0 156 - 10.0 258 - 15.0 336 - 20.0 266 - 25.0 210 - 30.0 322 - 35.0 433 40,0 6OO IATITUDI 0 42 0 48' DEIREE AT TRAVERSE MID-POINT