| Component | Walls and Partitions | Fire Door Assemblies | Door Vision Panel Maximum Size | Fire-Rated Glazing Marking Door Vision Panel | Minimum Side Light/Transom Assembly Rating (hr) | Fire-Rated Glazing Marking Side Light/Transom Panel | Minimum Fire-Rated Windows Rating a,b (hr) | Fire-RatedWindowMarking | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (hr) | (hr) | (in.2) | Fire protection | Fire resistance | Fire protection | Fire resistance | Fire protection | Fire resistance | Fire protection | Fire resistance | ||
| Elevator hoistways | 2 | 1-1⁄2 | 155in.2c | D-H-90 or D-H-W-90 | NP | 2 | NP | D-H-W-120 | NP | 2 | NP | W-120 |
| 1 | 1 | 155in.2c | D-H-60orD-H-W-60 | NP | 1 | NP | D-H-W-60 | NP | 1 | NP | W-60 | |
| 1⁄2 | 1⁄3 | 85in.2d | D-20 or D-W-20 | 1⁄3 | 1⁄3 | D-H-20 | D-W-20 | 1⁄3 | 1⁄3 | OH-20 | W-30 | |
| Elevator lobby (per7.2.13.4) | 1 | 1 | 100in.2a | ≤100in.2, D-H-T-60 or D-H-W-60 >100in.2, D-H-W-60 | NP | 1 | NP | D-H-W-60 | NP | 1 | NP | W-60 |
| Vertical shafts (including stairways, exits and refuse chutes | 2 | 1-1⁄2 | Maximum size tested | D-H-90 or D-H-W-90 | NP | 2 | NP | D-H-W-120 | NP | 2 | NP | W-120 |
| 1 | 1 | Maximum size tested | D-H-60 or D-H-W-60 | NP | 1 | NP | D-H-W-60 | NP | 1 | NP | W-60 | |
ReplacementPanelsinExistingVerticalShafts1⁄21⁄3MaximumsizetestedD-20orD-W-201⁄31⁄3D-H-20D-W-201⁄31⁄3OH-20W-30Firebarriers33100in.2a≤100in.2,D-H-180orD-H-W-180NP3NPD-H-W-180NP3NPW-180>100in.2,D-H-W-18021-1⁄2MaximumsizetestedD-H-90orD-H-W-90NP2NPD-H-W-120NP2NPW-12013⁄4MaximumsizetestedeD-H-45orD-H-W-453⁄4e3⁄4eD-H-45D-H-W-453⁄43⁄4OH-45W-601⁄21⁄3MaximumsizetestedD-20orD-W-201⁄31⁄3D-H-20D-W-201⁄31⁄3OH-20W-30
Horizontalexits21-1⁄2MaximumsizetestedD-H-90orD-H-W-90NP2NPD-H-W-120NP2NPW-120Horizontalexitsservedbybridgesbetweenbuildings23⁄4MaximumsizetestedeD-H-45orD-H-W-453⁄4e3⁄4eD-H-45D-H-W-453⁄43⁄4OH-45W-120Exitaccesscorridorsf11⁄3MaximumsizetestedD-20orD-W-203⁄43⁄4D-H-45D-H-W-203⁄43⁄4OH-45W-601⁄21⁄3MaximumsizetestedD-20orD-W-201⁄31⁄3D-H-20D-H-W-201⁄31⁄3OH-20W-30Smokebarriersf11⁄3MaximumsizetestedD-20orD-W-203⁄43⁄4D-H-45D-H-W-203⁄43⁄4OH-45W-60Smokepartitionsf,g1⁄21⁄3MaximumsizetestedD-20orD-W-201⁄31⁄3D-H-20D-H-W-201⁄31⁄3OH-20W-30ForSIunits,1in.2=0.00064516m2.NP:Notpermitted.aFireresistance–ratedglazingtestedtoASTME119,StandardTestMethodsforFireTestsofBuildingConstructionandMaterials;orANSI/UL263,StandardforFireTestsofBuildingConstructionandMaterials,shallbepermittedinthemaximumsizetested(see8.3.3.7).bFire-ratedglazinginexteriorwindowsshallbemarkedinaccordancewithTable8.3.3.12.cSeeASMEA17.1,SafetyCodeforElevatorsandEscalators,foradditionalinformation.dSeeASMEA17.3,SafetyCodeforExistingElevatorsandEscalators,foradditionalinformation.eMaximumareaofindividualexposedlightsshallbe1296in.2(0.84m2),withnodimensionexceeding54in.(1.37m)unlessotherwisetested.[80:Table4.4.5Noteband80:4.4.5.1].fFiredoorsarenotrequiredtohaveahosestreamtestperANSI/UL10B,Standardfor