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I. Makeup Air(508): <br /> 1. Applicant shall provide makeup air approximately equal to the exhaust CFM. <br /> 2. Makeup air system shall be electronically interlocked with the exhaust system,such that the makeup <br /> air system will operate when the exhaust system is in operation. Provide note on plan sheet no. <br /> 3. Makeup air shall be provided by a mechanical or gravity means of sufficient capacity. Windows and <br /> door openings shall not be used for the purpose of providing makeup air. <br /> __ ,Fan Motorized Damper <br /> Make and Model: HP.: Recommended air velocity, 500 •m <br /> Duct Area <br /> Static Pressure: in. at Requirement= /5 <br /> CFM CFM/500fpm <br /> _ CFM J ft.2 <br /> Duct Dimension <br /> Duct Dimension: i ft-2 Requirement <br /> arsa ,�... w� ,...N. ,,,. _._..._.._______ <br /> . <br /> Eff.Damper <br /> Air Velocity - Opening= X <br /> 4 <br /> CFM/area f-" <br /> CFM area . <br /> J. Duct Slope and Cleanout Access(506.3.7, 506.3.8, 606.3.9): <br /> 1. Horizontal duct up to 75'long: Minimum Slope %in.lft, Proposed: - in./ft, <br /> Horizontal duct more than 75 long: Minimum Slope 1 in.fft. Proposed: inift. <br /> 2. Tight-fitting cleanout doors shall be provided Total Number Proposed: <br /> at every change in ductwork direction,(WAC506.3.9.1) <br /> 3. Refer to State amendments for vertical ducts.(WAC506.3.9.2) <br /> K. Duct Enclosure(506.3.11): <br /> 1. Ducts penetrating a ceiling, wall or floor shall be enclosed in a duct enclosure having fire rating per <br /> IBC 708.4 from the point of penetration to the outside air. A duct may only penetrate exterior <br /> walls at locations where unprotected openings are permitted by Table 705.8 of 2009 International <br /> Building Code. <br /> Type of Construction 3 Min.Fire-Resistive I Proposed Proposed Material <br /> Const.of Enclosure &Construction <br /> I F.R.,Ii F.R. 2 hour hr. { <br /> ti,Ill;iV,V 1 hour hr. <br /> I <br /> 2. Duct enclosures shall be separated from the duct by at least 6". (506.3.10)Proposed: in. <br /> 3. Duct enclosures shall be sealed around the duct at the point of penetration and vented to the exterior <br /> through a weather-protected opening. , <br /> 4. Duct enclosures shall serve only one kitchen exhaust duct. (See multiple hood venting for <br /> exception.) <br /> 5. Tight-fitting hinged access door shall be provided at each cleanout. Access enclosure doors shall <br /> have a fire-resistance rating equal to the enclosure. An approved sign shall be placed on the access <br /> door. "ACCESS PANEL DO NOT OBSTRUCT." <br /> 0 <br />