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// CODE SNIPPET

101.4.3.1 Prescriptive Envelope Compliance for Additions

NYC Energy Code 2014 > 1 Administration > 101 Scope and General Requirements > 101.4 Applicability > 101.4.3 Additions, Alterations, Renovations or Repairs > 101.4.3.1 Prescriptive Envelope Compliance for Additions
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Additions shall comply with Sections 101.4.3.1.1 and 101.4.3.1.2 or alternatively with ASHRAE 90.1-2010 as amended by Appendix A of this code.

101.4.3.1.1 Vertical Fenestration

New vertical fenestration area that results in a total building fenestration area less than or equal to that specified in Section C402.3.1 shall comply with Section C402.3. Additions with vertical fenestration that result in a total building fenestration area greater than Section C402.3.1 or additions that exceed the fenestration area greater than Section C402.3.1 shall comply with Section C402.3.1.1 for the addition only. Additions that result in a total building vertical glass area exceeding that specified in Section C402.3.1.1 shall comply with Section C407.

101.4.3.1.2 Skylight Area

New skylight area that results in a total building fenestration area less than or equal to that specified in Section C402.3.1 shall comply with Section C402.3. Additions with skylight area that result in a total building skylight area greater than Section C402.3.1 or additions that exceed the skylight area greater than Section C402.3.1 shall comply with Section C402.3.1.2 for the addition only. Additions that result in a total building skylight area exceeding that specified in Section C402.3.1.2 shall comply with Section C407.

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