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Machine-read from the scan, so expect some errors. Lines that couldn’t be read are left out.
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Ind recommendationsfor epcific aquipmont protection,see Ahnex “Ann Conclueiont Structura.I.damcge on Parry ard !2niwetokvery ninorn viac, ati small oxpenmo :a70rios per c2 to char wood). For detailed themal effects, see AMZX Xnimtokj WiU not dmge motor vehicle tires, No effect on vapors corm out of gaBolinc storage tab, (Authority: Dro Roger Revelle, Scripps InsEitationof Oceanography) loo fto wave Breakers will. bo *dice sluej not dangerousat Eniuotolc,Parry, ur Japtan, Amunt of yield above 5 Mp has no effect as size of wave is raptily, Engebiuill bo covered by a wash, None of Eniwetok, Pamy, or Japtan will be covered by WU& Small boats hauled up on 9 fto high beach are safe; however, a tlorepracticalaolutlonpresented uaa that of anchoringthe craft in deap \jaternot leea than 50 feat without any other ~pocid. psccautions, Conclusion; There Is no expecbd danger ashore fmm wave totion
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of suchfalloutonthe glum reduces thelevelo bymrothan~$ in day or accordingto tablcat Wttle 14 t0 be gained by covering loge regular objects since uhzn mnt wiu In ga8ral bo low0 Howevar, uhera equipmmt open to airborne or motorgeneratore,fall out contaminationmbematerially reduced
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decontamirzta, It my be nmessz~- to procure additionalmaterial for With mgaxd to blast > them&, fall out hazards, such rzasurcs should be tsken, With the exceptionof specialequ+ent mch as electron&s gear, the hazard does r&t varrant 8 great mount of Labor, time, or expensefor the protectionof structures,constructionequip= Dr, Graves expresacdhis opinion that the island oan bc MO entered rzthout hazard in 2 - 6 d8.ysafter Hike ohot, qu&ifiad tcientificpersonnelpresent who offered no &$&ion to the con~l\wionsas they pfwtaincd to their respectivesr;imtificfield6 were:
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wual ~oblenn in estimating yield,and for thataothr, tt would be imprucbt to attemptto do 60~ PortmaWly~ theblrstPIY1thrrml effeob male in such away that no Structurea, orthingsUba pmtecbdonthebasirofa mmonably blast,uherptbs structuralariterluafardamge is seldomknownhetter
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#me, the rata of vork by tba shock fbcmt on air as compared to its rata on soil ar water ia in a ratio mm than 100 to 1 In favcrof air, Xtfollobmthat less than1 par <rentOf the enrgyuill be tranmitbdto aoil or water duringtheseatages, Recent atomlc taste have been ooacemed ulth the of&t of thermal mdiotlon in ottanuting tbB peak pmessurrsin a blah urns; thin effect ulu be oftherml rmiiatioqhouwer, the Ykmmlaffeut~ uillnotb height in a dart time
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Figure 1 gives the timob arrival of tha &wok wee &WI peak pwmuxee obmwvfxi on tmur ahats, tut,ua in god igrwmbnt mldo Unlikepeakpmssures, the obexwdttmafamivaluhouldb bdtPken against the Uasteffeata andwerysethod uhirhihgaouity auggestahouldbe\add,hut rmo prohibitivepmbhm are pmmntsdby
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obaenation on etmctrws at lou ~sunre zbvels cm be axtrapolated with s~pe dbgros of confi&noa uithout sxpmting a ad&en and coptpletm collapse, Xn most caseeD them Is aluIcp9 sum weals elmcent 00 a fdi first; s-h & blow* ln of A paml; In of no appaxmt requireaent to evacuate vehicles from Parry to Bd.wtok nor my appx+olaU adwntage in doing boo All canvas tapei should be mumted f’mm the rshialm. Windshields should be lowerad flat or removed euMmly, Tha vehicls should faue. for the r&a&r and headlighta ia affordsd If tbs vehicb is faa%g All alnraft should bo waeuated EL&I dngs should be rewved, and if left in shouldfae towardthe tiaste uhorwar posalbla, For cannot be wacuated, the the open, the aircraft to a head of a l/2 foot of uater which such boats habitually withstand, I%4 superstruct\pes of these craft arm more sracoptiblm to blat dmage but m recall that the unbalanced peak ~saum UJ of mxy short duration, s&all obJecta dlamter till feel the peak pres8u.m for appmmimte4l.y l/lr of a millisecond, 5&lesti~ how at Parxyor Eniwtok bat t&se arafthabituallyuithetand Storage tmks for fluidsshould bs left full, both to add ws as well as to prsvent the plates froi~ buckling In. Llkm blast, an eetiraate of thermal effects required anmars to certain umerkinties uhtch ulll Im settled by smm of the uperiments
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Then, is an mrrertdnty in scalinp radiationuhlah involves utnthr tfarrshighsrthanaatually obtrlaad, Tbemis ~8omuncert.airft~ quitalow, but srmralhundmd feetabovothe water ttm t.rarmmiasion increises anrlcedly, Tfrs trwieaion amwd hem ia forvaryclear A distinctivefbatum of the t&md radiation 0~ this explosion e Itmaybe poesibleto see t)rsUght &&uag~ld the thsrzml racUaUon ulll persist for mm JO seoands instead of the 3 sacroti Is necesaargto keepon ths dark gogglresfor muoh longerperiodsof than for commnt ionaleioe r~eagoa8~ VdW38 of t&al tbemml rrdiation I&I&I uouldbe received if om andcormsgotitoavmycleu atnmmphem. The fulllims am Thfa dotted l.i.1~38are an exaggeratedupper lid%, mom zupropriate cnZ for a aumberof coumnn materials eti aa wood, oloth, rubber, and plastics, !Ihe long duratlon af thmr_al racUation of this wapon haa the effectof imnm3lng these critical energ~8 b a factorof 3 aboy the critical energy mqulred 01 a commntlaml site weipn, permits aorrespondinglylongarperiods for heattoba conduetad away from the surfaceand into uy! interior of their radiatedobJeot.Far
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absorptivityof the surface radiochemIcal yield, kilo tons angle of in01dencr0r thermal radiationof the surface0 this equat&maod a yield tithe order Of SUT, Table1 THE TOTAL incident
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Tim equation ahove is not atriatly corxwat btmaus it amnm8 the radiationratevariesin swh a vay that the surfacetemperaturee may~~~~ntarilygoto ovalw perhap 3 times thooa eetimatedfrPm Tablmlrhom that the mostcriticalmaterlaleam rubbermd uood. For 5 NT yiald, houevurotim temperaturerisewillbe nsgliblm
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Scripps Institutionof Otxiiography analysisof water ye studies (non+ clearedpersonna). LASI, (Lt.Cal, F. Parzd,) to discussblasteffectsof specificstructww Hcetingof personnelof Holmesand Marver,Scripps LASL (GeorgeWhite)to discusswaterwave effectsof specific All meetingsin S-Bldg.ConferenceRoom locatedin the Tech kea. With a view of all participantsunderstandingthe limitedobjectiveof to be read by the _
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will assist in the question period. tation will include a question period. Dr. Shipmnn axxiDr. Toa White h-illb:: present for the question period. tion to incltic adiscussion period. Mr. Noger Warner - Problem confrontingthe Cambridge Carp, with dewar evaauationand allied handling.