Live Load | | | | | | | | | | |
Structure | 100 psf | Design Building for Structural Modifications in Future | | | | Design team should produce plans and specifications so requirements are implemented. Verification is the same at all levels. | Design Team should provide calculations showing requirements are met. Calculations required at all performance levels. | | Describe structure live load performance criteria. | The design professional shall prepare special inspection and testing requirements for the project. The materials sections of the Code and many referenced standards therein, e.g. AISC Seismic Requirements, Table Q, make additional requirements for inspection that should be considered in the development of the testing and inspection program for construction. |
Vibrations | Limited Vibration Control | Enhanced Vibration Control for Still Environments | Enhanced Vibration Control for Laboratories and Sensitive Equipment | | Vibrations can be measured after building is complete to verify performance. | Design team should produce plans and specifications so requirements are implemented. Verification is the same at all levels. | Design Team should provide calculations showing requirements are met. Calculations required at all performance levels. | AISC Design Guide Series 11, Floor Vibrations Due to Human Activity | Describe design narrative for how the floor structure design addresses the effects of vibration. | |
Attribute | Baseline | ★ Tier 1 High Performance | ★★ Tier 2 High Performance | ★★★ Tier 3 High Performance | Verification |
Measurements & Verification | Plans & Specifications | Calculations & Analysis | Reference Standard | Design Basis of Design | Construction Verification |
Wind | | | | | | | | | | |
Structure | 15% in 50 | 7% in 50 | 3% in 50 | | Wind tunnel testing can be used during the design phase to determine more accurate wind loads on the building. A rigid model test can be used to determine pressures applied to the building. An aero-elastic model test can be used to evaluate the dynamic response of the building under wind loading. Consult with the A/E team to determine whether wind tunnel testing is appropriate for the building being considered. | Design team should produce plans and specifications so requirements are implemented. Verification is the same at all levels. | Design Team should provide calculations showing requirements are met. Calculations required at all performance levels. | ASCE 7-10 | Describe wind resistance design assumptions. | |
Attribute | Baseline | ★ Tier 1 High Performance | ★★ Tier 2 High Performance | ★★★ Tier 3 High Performance | Verification |
Measurements & Verification | Plans & Specifications | Calculations & Analysis | Reference Standard | Design Basis of Design | Construction Verification |
Seismic | | | | | | | | | | |
Structure | Life Safety | Reduced Damage | Immediate Occupancy | Continued Operations | | Design team should produce plans and specifications so requirements are implemented. Verification is the same at all levels. | Design Team should provide calculations showing requirements are met. Calculations required at all performance levels. | ASCE 41-06 | Describe seismic resistance design assumptions | The design review should include: Review of any site-specific seismic criteria employed in the analysis including the development of site-specific spectra and ground motion time histories. Review of acceptance criteria used to demonstrate the adequacy of structural elements and systems to withstand the calculated force and deformation demands, together with that laboratory and other data used to substantiate these criteria. Review of the preliminary design including the selection of structural system and the configuration of structural elements. Review of the final design of the entire structural system and all supporting analyses. |
Nonstructure | Heavy Damage | Moderate Damage | Limited Damage | Minimal Damage | | Design team should produce plans and specifications so requirements are implemented. Verification is the same at all levels. | Design Team should provide calculations showing requirements are met. Calculations required at all performance levels. | ASCE 41-06 | | |
Attribute | Baseline | ★ Tier 1 High Performance | ★★ Tier 2 High Performance | ★★★ Tier 3 High Performance | Verification |
Measurements & Verification | Plans & Specifications | Calculations & Analysis | Reference Standard | Design Basis of Design | Construction Verification |
Blast | | | | | | | | | | |
Progressive Collapse | ISC Level III | ISC Level IV | UFC Occupancy Category IV | | | Design team should produce plans and specifications so requirements are implemented. Verification is the same at all levels. | Design Team should provide calculations showing requirements are met. Calculations required at all performance levels. | Interagency Security Criteria UFC 4-023-03 | Describe progressive collapse ISC Level used in design. | |
Interior | ISC Level II | ISC Level III | ISC Level IV | Hazards Outside Building Footprint | | Design team should produce plans and specifications so requirements are implemented. Verification is the same at all levels. | Design Team should provide calculations showing requirements are met. Calculations required at ★ level and up. | Interagency Security Criteria | Describe interior ISC Level used in design. | |
Critical Utilities | ISC Level II | ISC Level III | ISC Level IV | Hardened and Distributed Redundant Building Systems | | Design team should produce plans and specifications so requirements are implemented. Verification is the same at all levels. | | Interagency Security Criteria | Describe critical utilities ISC Level used in design. | |
Perimeter Barriers | Parking and Standing Restrictions Around Building | ISC Level III | ISC Level IV | ISC Level IV with Enhanced Standoff Distances | Crash testing of anti-ram barriers can be performed to verify barrier performance. Crash testing is typically required for new or unusual barrier configurations that have not been previously tested and analyzed. | Design team should produce plans and specifications so requirements are implemented. Verification is the same at all levels. | Design Team should provide calculations showing requirements are met. Calculations required at ★ level and up. | Interagency Security Criteria | Describe perimeter barriers ISC Level used in design. | |
Attribute | Baseline | ★ Tier 1 High Performance | ★★ Tier 2 High Performance | ★★★ Tier 3 High Performance | Verification |
Measurements & Verification | Plans & Specifications | Calculations & Analysis | Reference Standard | Design Basis of Design | Construction Verification |
Flood | | | | | | | | | | |
Flood Mitigation | 100-Year Flood Hazard | 500-Year Flood Hazard | Determined on a Site Specific Basis | | | Design team should produce plans and specifications so requirements are implemented. Verification is the same at all levels. | Design Team should provide calculations showing requirements are met. Calculations required at all performance levels. | FEMA Flood Maps ASCE 24-05, "Flood Resistant Design and Construction" | Describe how structural design is responsive to the flood level performance metric. | |