Ordinance 2021-1816 - Laserfiche WebLink

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Maintenance information and system commissioning C408 7, 8. Table C402.1.3 Opaque Thermal Envelope Insulation Component Minimum Requirements, R-Value Method, is hereby deleted and replaced with the following: Table C402.1.3 (Mandatory) Opaque Thermal Envelope Insulation Component of an Average Minimum Requirements, R-Value Method in following locations: Roof C402.2.1 Insulation entirely above roof deck R-49 Metal buildings' R-21 + R-11 LS Attic and other R-49 Walls. Above grade C402.2.2 Massd R-21 Metal buildings R-21 Metal framed R-21 Wood framed and other R-21 Walls, Below grade C402.2.5 Below -grade wa11b R-10 Floors C402.2.3 Masse R-21 Joist/framing R-38 Slab -on -grade floors C402.2.4 Unheated R-20 for 24" Heated' R-15 for 36" below + R-5 full slab For SI: 1 inch = 25.4 mm, 1 pound per square foot = 4.88 kg/m2, 1 pound per cubic foot = 16 kg/m3. NR = No Requirement, LS = Liner System. a.Where using R-value compliance method, a thermal spacer block shall be provided, b.Where heated slabs are below grade, below -grade walls shall comply with the exterior insulation requirements for heated slabs. c."Mass floors" shall be in accordance with Section C402.2.3. d."Mass walls" shall be in accordance with Section C402.2.2. e. The first value is for perimeter insulation and the second value is for full, under -slab insulation. 8 9. Section C402.1.4 Assembly U-factor, C-factor or F-factor-based method, is hereby deleted in its entirety. 9 10. Section C402.1.5 Component performance alternative, is hereby deleted in its entirety. 11. Table C402.4 Building Envelope Fenestration Maximum U-Factor and SHGC Requirements, is hereby deleted and replaced with the following: Ordinance No. 1816, Series 2021 Page 6 of 25