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2018 WSEC Requirements for Commercial Buildings including Group R2, R3 & R4 over 3 stories & all R1 -- Administered by ©2021 NEEA, All rights reserved <br />The following information is necessary to check a building permit application for compliance with the building envelope requirements in the Washington State <br />Energy Code, Commercial Provisions. <br />For questions about this report, contact WSEC Commercial Technical Support at 360-539-5300 or via email at com.techsupport@waenergycodes.com <br />C503.1 <br />Roof alteration - <br />For a roof alteration where existing ceiling <br />C503.3.1 <br />insulation <br />cavities are exposed, indicate cavities are <br />insulated to full depth at minimum nominal <br />value of R-3.0 per inch <br />For a roof covering replacement where <br />insulation is installed entirely above the roof <br />deck, indicate insulation complies with <br />requirements for new construction per Tables <br />C402.1.3 or C402.1 t <br />C503.1 <br />Wall and floor <br />For a wall or Iloor alic;tauu►► o ltx>r o%c:r <br />alteration - insulation <br />outdoor or unconditioned space) where <br />existing envelope cavities are exposed. <br />indicate cavities are insulated to full depth at <br />minimum nominal value of R-3.0 per inch <br />NA C503.3.2 <br />Addition of vertical <br />Where the addition of new vertical <br />fenestration <br />fenestration results in a window -to -wall ratio <br />(WWR) exceeding the prescriptive maximum <br />allowed per C402.4.1. demonstrate method of <br />compliance (prescriptive vertical fenestration <br />alternate, component performance with target <br />area adjustment for the alteration area and <br />existing -to -remain areas combined, or total <br />building performance per C407); demonstrate <br />for each space conditioning category <br />,wparately <br />C503.3.3 <br />Addition of skylights <br />Where the addition of new skylights results in <br />a skylight -to -roof ratio (SRR) exceeding the <br />prescriptive maximum allowed per C402.4.1, <br />demonstrate method of compliance <br />(component performance compliance with <br />target area adjustment for the alteration area <br />and existing -to -remain areas combined. or <br />total building performance per C407), <br />demonstrate for each space conditioning <br />category separately <br />NA C103.2 <br />Change in space <br />Indicate envelope alteration thermal <br />C 103.6.3 <br />conditioning or <br />performance compliance path (prescriptive or <br />C503.2 <br />occupancy <br />component performance with 1 10% <br />C505.1 <br />compliance <br />allowance), provide WSEC envelope <br />documentation <br />compliance reports <br />NA C 103.2 <br />Change in space <br />If complying via total building performance <br />C 103.6.3 <br />conditioning or <br />with 110% allowance, provide a list of all <br />C503.2C <br />occupancy <br />proposed envelope component types, areas <br />505.1 <br />compliance <br />and U-values <br />documentation <br />PROJECT CLOSE OUT DOCUMENTATION <br />YES Cl 03.6.3 <br />Project close out <br />Indicate in plans that project close out T0.01 <br />documentation <br />documentation is required including <br />requirements <br />applicable calculations, WSEC envelope <br />compliance reports, and fenestration NFRC <br />rating certificates <br />