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2020 NEHRP Recommended Seismic Provisions Update

The NEHRP Recommended Provisions for New Buildings and Other Structures embodies the state-of-knowledge criteria for the design and construction of buildings subject to earthquake hazards. The techniques and technologies contained in this resource document are diffused into the model building codes developed by the International Code Council (ICC) and several national standards, including the American Society of Civil Engineers ASCE-7 Design Standard for Minimum Loads.

The Provisions are developed by the Provisions Update Committee (PUC) a technical committee of seismic experts that identify and apply the most advanced seismic technology available. The committee is supported by expert issue teams (ITs) that address specific aspects of seismic design methodology and construction. These committee and team members ensure that lessons learned from the building performance during the earthquakes, as well as new research to improve earthquake resistance, are reflected in state-of-the-art seismic requirements. The ITs develop proposals for requirements that are balloted by the PUC according to BSSC’s consensus process, and subsequently balloted by the member organizations.

PUC and IT Members, Meeting Documents and Ballots

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Project 17

Every ten years (’97, ’07 and ’17), the BSSC sets design maps rules to support USGS in developing the next generation of hazard maps.  The Project 17 Committee (P17C), through the efforts of four work groups that address acceptable risk, precision and uncertainty, multi-period spectra, and deterministic caps, will develop proposals on the rules as a Provisions Update Committee (PUC) IT (Issue Team).  

P17C and Work Group Members, and Meeting Documents

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Code Resource Support

The role of this nation's model building codes and standards is critical to seismic design and mitigation. Any action that furthers the effectiveness of these codes and how they are used will significantly help meet the goal of reducing this nation's losses from natural disasters.

The BSSC Code Resource Support Committee (CRSC) monitors and contributes to the model codes and standards development process particularly, for the International Building Code (IBC), the International Existing Building Code (IEBC) and the International Residential Code (IRC) to ensure that they remain substantially equivalent to the latest edition of the NEHRP Recommended Provisions as defined by the ICSSC under Executive Order 13747 as well as other FEMA earthquake design guidance publications for new and existing buildings. The CRSC also supports related activities such as outreach and education materials to ensure that seismic hazards continue to be addressed. The CRSC and NIBS will also support related activities such as outreach and education materials to ensure that seismic hazards continue to be addressed.

The CRSC also develops and submits changes on material that is not (or is inadequately) addressed by the NEHRP Recommended Seismic Provisions in other relevant standards publications. The CRSC works with the representative organizations such as ACSE, IBHS, NAHB, and SEAOC to identify and address these issues.

CRSC Members and Meeting Documents

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Training and Education Materials

The BSSC develops educational, training materials and explanatory information to support the customers of the NEHRP Provisions. The Provisions provide in-depth and complete commentary on the seismic design requirements in the ASCE 7. The NEHRP Recommended Seismic Provisions: Design Examples, FEMA P-1051, based on the Provisions, are intended for those who are experienced structural designers, but are relatively new to the field of seismic design. The design examples explain the principles behind the Provisions and include types of structures, materials, and specific seismic load resisting elements that illustrate to the reader how to apply the new requirements and to handle critical issues when conducting seismic design of the specific structural system. Practitioners and academics also will find useful training and educational slides in FEMA P-1052 under development. Seminars and workshops are intended be held based on the FEMA P-1052 materials.


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Advanced Cybersecuring Building Control Systems Workshop (October 2016)