Laserfiche WebLink
Table C402.4 <br />Building Envelope Fenestration <br />Vertical Fenestration <br />Maximum U-Factor <br />0.30 <br />Maximum SHGC <br />0.33 <br />Maximum Air leakage rate for all fenestration except curtain walls <br />and storefront glazing <br />.20 cfm/ft2 <br />Maximum air leakage rate for curtain walls and storefront glazing <br />.06 cfm/ft <br />Skylights <br />Maximum U-Factor <br />0.50 <br />Maximum SHGC <br />0.40 <br />Maximum Air leakage rate <br />.20 cfm/ft2 <br />44, 12. Section C402.4.1 Maximum area, is hereby deleted and replaced with the <br />following: <br />C402.4.1 Minimum area of natural lighting. Not less than eight percent <br />of the floor area shall be glazed. <br />13. Section C402.4.2 Minimum skylight fenestration area, is hereby deleted <br />and replaced with the following: <br />C402.4.2 Minimum area of natural lighting. A minimum skylight area of <br />three percent of the roof area shall be provided for all roofs. <br />Exception: Roof areas designated for solar ready zones shall not be included in <br />roof area calculation. <br />13. 14. Section C403.3.2 HVAC equipment performance requirements, is hereby <br />deleted in its entirety and replaced to read as follows: <br />C403.3.2 HVAC/fuel fired equipment performance requirements. Unless built <br />all -electric, all new combustion equipment shall comply with the more efficient <br />HVAC equipment performance of Sections C406.2, C406.2.3, and C406.2.4 <br />and the additional electric infrastructure requirements in Section C405.14. A <br />mechanical compliance certificate demonstrating compliance with section <br />C406.2.3 and/or C406.2.4 shall be required for all HVAC, fuel fired and <br />Service Water Heating equipment. <br />Ordinance No. 1816, Series 2021 <br />Page 7 of 25 <br />