CHAPTER 5 COMMERCIAL ENERGY EFFICIENCY - …

CHAPTER 5 COMMERCIAL ENERGY EFFICIENCYSECTION requirements contained in this CHAPTER areapplicable to COMMERCIAL buildings, or portions of commercialbuildings. These COMMERCIAL buildings shall meet the require-ments contained in this buildingproject shallcomply with the requirements in Sections 502 (Building enve-lope requirements), 503 (Building mechanical systems), 504(Service water heating) and 505 (Electrical power and lightingsystems) in its :Buildings conforming to Section 506, providedSections , , 504, , , , are each 502 BUILDING ENVELOPE Insulation and fenestration envelopeopaque assemblies shall meet the require-ments of Table and Section Fenestrationshall meet the requirements of Section Values fromtables shall be based on the climate zone specified in Chap-ter 3. COMMERCIAL buildings or portions of commercialbuildings enclosing Group R occupancies shall use theR-values from the Group R column of Table buildings or portions of COMMERCIAL buildingsenclosing occupancies other than Group R shall use theR-values from the All other column of Table with a vertical fenestration area or skylight areathat exceeds that allowed in Table shall comply withSection , Simplified trade-off approach or , Whole Building assembly with aU-factor,C-factor, orF-factor equal or less than that specified inTable shall be permitted as an alternative to t

TABLE 502.1.2 BUILDING ENVELOPE REQUIREMENTS OPAQUE ELEMENT, MAXIMUM U-FACTORS CLIMATE ZONE 5 AND MARINE 4 All other Group R Roofs Insulation entirely above deck U-0.048 U-0.048

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  Chapter, Commercial, Climate, Efficiency, Energy, Zones, Chapter 5 commercial energy efficiency, Climate zones

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