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10. The U-value of the proposed new windows (0.22) has been coordinated between the energy <br /> credits as shown on note 8 of the Energy Code General Notes/sheet A-0 and the window <br /> schedule shown on sheet A-2. <br /> 11. For the lower floor egress window, see newly-added Window Well Detail A on sheet A-2. <br /> 12. See note 8 of the Energy Code General Notes on sheet A-0 for the required 5 energy credits. <br /> 13. The whole-house ventilation system for both units is summarized on sheet A-0, and the plans <br /> on sheet A-1 shows the location of the exhaust fans for both units, as well as how they are <br /> ducted to the exterior. <br /> Structural <br /> 1. General structural notes have been added to sheet A-0, which refer to the requirements in <br /> the 2021 IRC. <br /> 2. See new added details 01 on sheet A-1, which indicatse how the lower floor existing slab will <br /> be patched/repaired to match the existing construction. <br /> 3. See new added detail 02 on sheet A-1, which indicates the repair of the existing floor and <br /> roof where the existing chimney is being removed. <br /> 4. The 4x8 header is new, and a beam calculation has been attached with this submittal. It is <br /> assumed that the wall where this header is proposed is an existing bearing wall, supporting <br /> the floor beams above, and also assumed is a concrete footing below the wall, which should <br /> be adequate support for the small loading from the header posts. <br /> 5. <br /> Thank you, and best regards <br /> David Sircoloumb <br /> ArchitectSe <br />