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1. Please provide a roof plan showing a minimum 10' separation between the supply and the return inlets per FBC-M section 506.3.12.3.
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2. Please provide a site specific elevation plan showing duct size, duct gauge, duct material, joint connections, clean outs, distance from combustibles, roof flashing, and termination above the roof.
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3. The exhaust fan is exhausting 2400 CFM's and the make up air is supplying 1950 CFM's. FBC-M Section 508 requires that the make up air is approximately (Websters definition adverb: nearly correct or exact)equal to the amount of exhaust air. Please provide an equipment schedule showing where the remaining make up air will be supplied from.
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4. Please provide a signed and sealed details for mounting the hood, supply fan, and make up fan to the existing roof.
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5. Please provide the missing Captive air drawing #4.
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Informational
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The mechanical contractor shall procure the services of an independent firm fully certified with National Environmental Balancing Bureau (NEBB) or the Associated Air Balance Council (AABC) to test air moving equipment and air distribution and exhaust systems and to supervise the balance and adjustment of these systems
The test report shall verify that the amount of makeup air shall be approximately (Webster definition adverb: nearly correct or exact) equal to the amount of exhaust air.
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