Laserfiche WebLink
R401.3 Mandatory requirements for residential buildings. Residential <br />building must comply with the following sections from the 2021 <br />International Energy Conservation Code. <br />Table R401.3 <br />Mandatory requirements for residential buildings <br />Title <br />IECC Section <br />Vapor retarder <br />R402.1.1 <br />Eave baffle <br />R402.2.3 <br />Access hatches and doors <br />R402.2.4.1 <br />Crawl space wall insulation <br />R402.4.1.2 <br />Maximum fenestration U-factor and SHGC <br />R402.5 <br />Mechanical Controls <br />R403.1 <br />Ducts <br />R403.3 except R403.3.2, R403.3.3, and <br />R403.6 <br />Mechanical system piping insulation <br />R403.4 <br />Heated water circulation and temperature maintenance <br />systems <br />R403.5.1 <br />Drain Water heat recovery units <br />R403.5.3 <br />Mechanical ventilation <br />R403.6 including E403.6.1 <br />Equipment sizing and efficiency rating <br />R403.7 <br />Systems serving multiple dwelling units <br />R403.8 <br />Snow melt and ice systems <br />R403.9 <br />Energy consumption of pools and spas <br />R403.10 <br />Portable spas <br />R403.11 <br />Residential pools and permanent residential spas <br />R403.12 <br />Lighting equipment <br />R404.1 <br />Interior lighting controls <br />R404.2 <br />16. 50. Section R402.1 General, is hereby amended to read as follows: <br />R402.1 General. The building thermal envelope shall comply with the <br />requirements of Section R402.1.1 and R402.1.2. <br />47, 51. Section R4O2.1.2 Insulation and fenestration, is hereby deleted and <br />replaced with the following: <br />R402.1.2 Insulation and fenestration. Assemblies shall have R-value of <br />insulation materials equal to or greater than that specified in Table R402.1.2 <br />unless an alternative path is specified while using HERS energy rating index <br />of 50. <br />Ordinance No. 1816, Series 2021 <br />Page 14 of 25 <br />