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• y. <br /> ` \ <br /> Ltr. J. Grav <br /> Pebruary 37, ?002 <br /> p.��,� , <br /> Occupancy� <br /> I) r\II load bearing ���alls (interior and exterior) suppo�ting t;ic one-hour occupancy separation <br /> bchvicen thc R-1 and U-1 occupancies should bc dcarly shown on thc plans as one-hour firc <br /> resistive asscmblics. Section 302.2 <br /> ^_) Thc doors from the garugcs into the mechanical rooms in the basement of Units #3 & 4 <br /> should be shown as minimwn ono-hour fire-resistive asscmbiies. Scction 3023 <br /> 3) A draft stop should be shown in thc attic separating Units #1 � 2. Scction 705.3.1.2.1 <br /> d) Thc location of the attic .1CCC55 I1�lCIll'ti (011il �?"x30") should bc shown on thc plans for cach <br /> separatc attic arca. Scction I505.1 <br /> :i) Watcn c�atcrs shoulil bc shu��-n strappcd to structurc at thc top and bottom of thc tanks. <br /> Scction 305.1 <br /> G) Thc listing of thc party �vulls should bc pruvidcd which sho�es th:u thcy mect thc minimum <br /> STC of 50. City of L��crctt adoptcd Appcndix Scction I ZOS? <br /> Construction <br /> I) 'I�here is more �han 3000 square feet of �loor area above the first story and one-hour firc- <br /> resistivc constniction is rcquircd throu�hout per Scction 310.2.2. If the sprinklcr systcm is <br /> up�araJed from a U13C Stand;u•d Typc 9-3 (N�PA l3R) ro a Type 9-1 (NFPA l3), then the <br /> sprinklcr systcm m:ry substitutc for onc-hour construction (to includc all walls not separating <br /> dwclling units or suppoiting occupancy separations, the roof/ceiling assembly, Floor/ccilin� <br /> ❑ssemblics not pnrt of un occupancy separ:uion and exterior porches/decks) as allowed in <br /> Scction SOS. Notc that this pl:m revicw let[cr assumes that sprinkler substiwtian will not be <br /> used and that one-hour consuUction is required throughuut. <br /> ') Listings should be providcd for all fire-resistive elements and shown on the plans. Scction <br /> 703.I <br /> 3) Gsterior wall assemblics shoul�l be sho��-n as minimum one-hour (ire-resistive construction. <br /> Scction 503.3.1 <br /> 4) L�terior deck and porch (loor/ceilings, headers anci columns should be shown as listed one- <br /> hour firc-resisti��e asscmblies. Section 606.1 <br /> i) The cantilever beams and swctural elements of the main iloor level that �upport more than <br /> one floor and a roof shuuld be indi��idually fire-protected for one-hour constniction. Details <br /> should bc providcd. Scction 70-4.2.G <br /> �3 <br />