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. • <br /> i <br /> Sent via e-mail <br /> `' a.� a�/n <br /> . <br /> PUBL/L /f/O/�/CSr <br /> � <br /> February 28, 2011 � 5"'�'�� r , <br /> Ir�t <br /> Mr. Adam Clark �l MAR �" ZOi ' <br /> 2812 Architecture <br /> 2812 Colby Avenue <br /> Everett, WA 98201 '-- <br /> Project: Scuttlebutt Kitchen Hoods, Type T and Type II <br /> ]ob Address: 1205 Craftsman Way <br /> Plan Review: M1102-026 <br /> � <br /> Dear Adam, <br /> In response to the application for a mechanical permit, the plans hae�e been examined <br /> and you are advised that a permit cannot be issued until the following issues are <br /> resolved. Two set of revised documents are required for plan review to resume. For <br /> clarification, please have the engineer cloud and identify any revisions to the drawings. <br /> Type I Hood Review <br /> 1. The listed assembly for the grease duct enclosure system of one hour resistant <br /> grease duct fire wrap should be shown to meet the requirements of ASTM E 2336 <br /> and as a through-penetration firestop to meet the requirements of ASTM E 814 or <br /> UL 1479, per IMC section 506.3.6, exception 3. <br /> 2. A plan of the second floor shaft should be shown on the drawings with the <br /> following dimensions: inside clear space of tfie shaFt, Type I hood duct sizes, and <br /> the thickness of the grease duct fire wrap on both Type I hood ducts, per IMC <br /> section 506.3.10.1. <br /> 3. The start and termination of the grease duct fire wrap for the Type I hood ducts <br /> should be shown on building sections (sheets M6 and M7) to extend from the Type <br /> I hoods to the outlet terminal, per IMC Section 506.3.10.2. <br /> 4. The kitchen ceiling height should be shown on the shown on the building sections <br /> (sheets M6 and M7). Where the kirchen ceiling abuts the Type I hoods, 18 inches <br /> of a smooth, cleanable, nonabsorbent and noncombustible material should be <br /> shown on the drawings between the hood and the ceiling material, per the <br /> exception to IMC section 507.9. <br /> 5. The location of the two Type I hoods and the Type II hood should be identified <br /> with arrow-headed notes on sheets K-1 and K-5. Where the Type I hood abuts <br /> the wall, a smooth, cleanable, nonabsorbent and noncombustible material should <br /> be shown on the drawings and noted to extend 18 inches in all directions from the <br /> hood to the full height of the hood canopy, per the exception to IMC section <br /> 507.9. <br /> �i?� <br /> ENGINEER!NG I PUBLIC SERVICES DIVISIOI� • 3200 Cedar Street• Everett,WA 98201 •(425)257-t3800• Fax(425)257-8856 <br />