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Chapter 17:Shelters <br /> Table 4225.1 —Wind borne Debris ProteO On a r?O CYC Im Pressure Criteria <br /> for Residential Same Roams <br /> A5TM E ErwAugure Wait Ceilirw, aria <br /> 1996 Dehris Innr C alic Air Pressure <br /> Mssiie Debris Missile Size Irma t Testirp- rnaximum inward <br /> Level Speed and maximum o <br /> Pa_ tiny pressures <br /> D 2 x 4 weichirto 9. 50 ft_^,'sec. or 35 Pst inward <br /> ib. *1-0.25 fb, av-1 at least 34 +45 1st outrlrard <br /> with ruin Ienuth 8 ft. mph <br /> 4!-4-ioiph <br /> 422.6 Ventilation. The resFden#ia- safe room shall be natural#y ventilated <br /> to alloy the enclosure to have 9DDFoxirn&Iy one.alr change every. twci houra, <br /> This !foment ma be satisfied by 12 sq care inches of venting er a u ant. <br /> There shall beat least two apefable vents. the vents shall be crotected by,a <br /> cowltnc or&ar covice that shall bs impa:.t tested to paMly with ASTM E 1996 <br /> Level D. Alternatively. the room stall be oyaivakdt:a determine I the oaeninns <br /> are qf s ffic"e t area to constitute an open oripaftallvsno d condition as <br /> def+ried in ASCE 7. <br /> 422.7 Communications. Th residential safe room shall be equipped <br /> with a phone line and t,ebphone that does no rely on a separate eiecidcal Dower <br /> outiet. Altemattyely. a wireless telephone shall to permitted to rely on an <br /> Unlnterruptible Power SMIy (UPS) battery device. <br /> 422.8 Construction docurrm Construction documents for the <br /> residential safe room shall be directiy.prepared by a Hawaii k;ensed professional <br /> structural emineer. <br /> 422.9 Special inspection. The constriction or hstaljgpn,qtjh@ <br /> residential safe room shall be verified for conformance to the drawings in <br /> accordance with Chatter 97_ <br /> 422.10 Notification. The owner of the safe room shall not' the state <br /> department of defense and county civil defense agency of the proueWs Fax <br /> map key or olobal positioning system coordinates. <br /> 17-18 Hawaii County Multi-Hazard Mitigation Plan <br />