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Chapter 17:Shelters <br /> 42 2.5 D es ig n for dead IWt wires rain and irn act loads. <br /> 4225.1 Structural inteadx criteria. <br /> 1. The residential safe room shall be built w4h a complete structural s stern <br /> and a complete load path for vellcal and lateral loads caused by grgvft <br /> and wind- <br /> 2--The building that the residential."fe room.is in shaH be assumed to Ise <br /> destroyed e town and shall not be taken as affering any protective <br /> shielding to the safe roam gnclosure, <br /> 3. The ceiliQ2=9jure amcf-Wal shall be ca abte of su ortin a <br /> superlrrmposed.debris load of the full weight,t of any building floors_and_ roof <br /> above, but not leis than 125 psf. <br /> C The residential safe room enctoNLe shall becaoable of sirnuftaneousl <br /> resisting lateral and uplift wind pressures corresponding to a 160 migh 3r <br /> §&cond peak g ust determined in accordynce with ASC5—7 Minimum <br /> Deshan La ds for Buildings and Other Structures calculat using load <br /> and importance Factors of 1-2,- he site ex osure factor shall be based on <br /> "x�os9re C_ Th�t.factor and the directionality.[actor shall be taken as <br /> 0.85. ToDgMiphic wind am lificafort caused by mountainous terrain shall <br /> be considered in accordance with the buildina cads_ Internal pressure <br /> shad be determined in accordance with ASCE -7. <br /> 5. The residenhai safe room shall be anchored to a foundation system <br /> capable of res tating the above Inaldirxt qandJtians, <br /> 422.5.2 Windborm debris impact arc tecUort cif tau lid Ing enclosure <br /> almsnts. The entire enclosure of the safe room indud ing al!waifs. ce?in s <br /> and in s fixed or o (able windowE, pnd all entry doors into the safe room. <br /> shalt meet!2fi exceN. Level D reau ireme ri ts of AS TM E 1998 (Table x{22 5-1]. <br /> Any wall or ceiling penetration arieater than 4 SQVare inches shall be considered <br /> an oyeflsrtg ._.._,_._..:. <br /> Exception: Electeical outlet box-ft and interior fighting svvitc+ies not <br /> penetrating mprrn 2•_5-inches into the interior wall surface and a <br /> #lumbinQ piping orconduit not Greater than 1,5-inch in diameter shall be <br /> exempted from this mquirement. <br /> .3 Cyclic Rre3sure logging of Illazing and Rrateefive gyaterns <br /> IMp a_L�rotectw systems shall meet the ASTM g IM Syckc pressure <br /> re4uirerrierrt for the loading given in Table 422-5-1. <br /> 17-17 Hawaii County Multi-Hazard Mitigation Plan <br />