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©MacDonald -Miller <br />FACILITY SOLUTIONS<^) <br />October 30, 2024 <br />Cal Bearman, P.E. <br />Bldg Plans Examiner <br />City of Bellevue <br />3200 Cedar St — 2nd Floor <br />Everett, WA 98201 <br />RE: Review comments correction: 77243205 TEC-GUNDERSON HUMIDIFIER REPL I M2409-076 <br />Permit Number: M2409-076 <br />M M FS#: 77243205 <br />Dear Cal: <br />We are in agreement with you comment responses and have had the structural engineer redo <br />the calculations. The revised calculations have been consolidated into drawing sheets S-1, S-2, <br />S-3, S-4 and attached to the end of the Mechanical drawing set. Your review comments have <br />been reprinted below in italics and are followed by our responses. <br />City Comment #1: 1. The drawings or structural analysis should demonstrate that the new units <br />do not increase the previous loading condition on the roof by more than 5%. The weight of all <br />accessory components (e.g., mounting support structure, operating weight with fluid, etc.) <br />should be included. If the load increase exceeds 5%, a structural analysis of the supporting <br />framing is required. See IEBC Section 706.2. <br />MMFS Response: Calculations have re -done and have been consolidated into drawing sheets <br />S-1, S-2, S-3, S-4 and attached to the end of the Mechanical drawing set. <br />City Comment #2: If installation of the units requires substantial structural modifications to <br />the supporting framing, a building permit will be required. The application should <br />include drawings and calculations for the proposed modifications. Minor modifications <br />(e.g., blocking between existing framing) may be performed within the scope of the <br />mechanical permit application. <br />MMFS Response: No significant structural modifications required to the building. <br />Comment #3: The mechanical drawings should include the structural sheets as they reference <br />the installation to be per structural details. <br />MMFS Response: The revised calculations and associated sketches have been consolidated <br />into drawing sheets S-1, S-2, S-3, S-4 and attached to the end of the Mechanical drawing set. <br />macmiller.com 1-800-962-5979 WASHINGTON & OREGON <br />