ORD 2020-010 2018-2020 - Laserfiche WebLink

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(28) Subsection R401.2 of the International Energy Conservation Code is amended to read as follows: "R401.2 Compliance. Projects shall comply with one of the following: 1. Sections [R401] R401.3 through R404. 2. Section R405 and the provisions of Sections R401 through R404 labeled "Mandatory." 3. An energy rating index (ERI) approach in Section R406. 4. The tropical zone requirements in Section R401.2.1 and R401.3." (29) Subsection R401.2.1 of the International Energy Conservation Code is amended to read as follows: "R401.2.1 Tropical zone. Residential buildings in the tropical zone at elevations below [2,100 feet(731.5 m)] 5,000 feet above sea level shall be deemed to comply with this chapter where the following conditions are met: 1. Not more than one-half of the [occupied space] dwelling unit area is air conditioned. 2. The [ ] dwelling unit is not heated. 3. Solar, wind, or other renewable energy source supplies not less than [80] 90 percent of the energy for service water heating. Exception: A water heating device as approved via Solar Hot Water Heater Variance by the Department of Business, Economic Development & Tourism, Hawai'i State Energy Office. 4. Glazing in [ : •: . ••: - -: .] dwelling units shall have a maximum solar heat gain coefficient [of less than or equal to 0.10, or has an overhang with a projection factor equal to or greater than 0.30] as specified in Table R401.2.1. Table 401.2.1 Vertical Fenestration Glazing SHGC Requirements Projection Factor (pf) of overhang from base of average vertical SHGC fenestration glazing sill* < 0.30 0.25 0.30—0.49 0.40 > 0.50 N/A *Exceptions: a. North-facing vertical fenestration glazing with pf>0.20 are exempt from SHGC requirements. Overhangs shall extend 2 feet on each side of vertical fenestration glazing or to nearest wall,whichever is less. 15