IS-MHRRC

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ICC Multi-Hazard Resiliency for Residential Construction Committee (IS-MHRRC)

As an ANSI accredited standards developing organization, ICC is collaborating with the Insurance Institute for Business & Home Safety (IBHS) in the development of a portfolio of individual hazard mitigation standards.
Resiliency is an important factor relative to a building’s response to extreme events; hence, the fundamental goal of this committee is the development of a portfolio of Consensus Standards relevant to a wide range of hazards affecting modern residential construction three stories and less. Hazards to be considered include, but not limited to, high winds (hurricanes/typhoons, tornados, and thunderstorms), seismic, tsunami, and wildfires.
The first task of this committee updated ICC 600, entitled, “Standard for Residential Construction in High-Wind Regions.” to create the 2020 edition. The committee has primary responsibility for updating the prescriptive methodologies of resistant design and construction details for building and other structures of wood framed, steel framed, concrete, or masonry construction directed toward ensuring structural integrity. This includes prescriptive details for walls, floors, roofs, foundations, windows, doors, and other applicable components of construction in order to be consistent with industry practices.

The next order of committee business will be the development of new ICC 605, Standard for Residential Construction in Regions with Wildfire Hazard.  The fundamental goal is to develop a Standard relevant to a wildfire hazard affecting modern residential construction three stories and less increasing the likelihood that the structure can continue to be useable and reduce rebuilding time.  The ICC Board of Directors appointed additional committee members at their March 2022 meeting in preparation for the development cycle to begin.

ICC IS-MHRRC Multi-Hazard Resiliency for Residential Construction

The Multi-Hazard Resiliency for Residential Construction (IS-MHRRC) committee was first appointed by the ICC Board of Directors in July 2019 and has primary responsibility for the development as American National Standards.  All standards development is subject to ICC's Consensus Procedures.

Applications to serve on the committee were received on June 12, 2019 for the ICC Board of Directors consideration in response to a call for committee in Apr 2019. Read more.

The ICC adheres to openness and transparency in our Standards development process. All ICC Standards committee meetings are open to the public.  Any interested party can participate in committee meetings and can be considered by the committee for membership on any work-group that the committee creates.  Interested parties will be notified by email of standards activities related to IS-MHRRC, including committee meetings, sub-group meetings and the availability of standard development documentation.  If you wish to be placed on the “interested parties” list for the development of these standards, please email the IS-MHRRC Secretariat Keith Enstrom, P.E. at kenstrom@iccsafe.org.

The most recent in-person meeting of the IS-MHRRC committee was held Dec. 2 - 4, 2019 at the IBHS facility in Richburg, SC.  The meeting was well attended.  Meeting minutes subject to committee approval are posted under Committee Documents. Read more….

ICC 600 -2020 has been ANSI Approved as of December 1, 2020.  The document is available in the ICC Store.

The first in-person public meeting of the committee to develop new ICC 605 has been scheduled for October 6 and 7, 2022 at 10:00 am ET at the IBHS facility in Richburg, SC. The meeting is open to the public and interested parties may participate in task groups created by the committee.  The Meeting Notice is posted below with more details on the schedule, agenda and how to participate. Also please see the  "IBHS Research Center Logistics" and "Covid Protocol" posted below for more information on visiting the facility and where to stay.  

The ICC 605 standard will specify enhanced prescriptive methodologies of wildfire resistant design and construction details for new and existing buildings and other structures of wood framed, steel framed, concrete, or masonry construction sited in wildfire hazard areas. The standard will provide prescriptive details for walls, floors, roofs, foundations, windows, doors, and other applicable components of construction. The Standard will provide a methodology for the identification, assessment, and retrofit of existing residential dwellings to protect homes in wildfire hazard areas.

Committee Documents

IS-MHRRC 605 Meeting Agenda Dec. 7, 2022 Published 11/15/22 271 KB
Mtg Notice IS-MHRRC 605 Dec. 7, 2022 webex mtg Published 11/15/22 532 KB
IS MHRRC 605 Meeting Minutes Nov. 1, 2022 Published 11/10/22 308 KB
IS MHRRC 605 Meeting Agenda Nov. 1, 2022 Rev2 Published 11/01/22 273 KB
IS MHRRC Meeting 2 Minutes Oct 6 7 22 Rev2 Published 11/01/22 461 KB
Mtg Notice IS MHRRC 605 Nov. 1 2022 Webex Mtg Rev1 Published 10/31/22 534 KB
IS MHRRC 605 Meeting 2 Oct 6 7 2022 Published 10/06/22 175 KB
In Person Meeting Notice Oct 6 2022 Published 09/06/22 183 KB
IBHS RESEARCH CENTER VISIT LOGISTICS 2022 Published 09/07/22 604 KB
Ibhs Site Covid Protocol For Visitors August2022 Published 09/07/22 95 KB
2022 IS MHRRC Website Roster FINAL1 Published 09/20/22 81 KB
Meeting Agenda December 2-4, 2019 Published 11/07/19 448 KB
Meeting Notice October 7-8, 2019 Published 09/18/19 410 KB
Mtg Notice IS-MHRRC Feb 28 2020 webinar mtg Published 01/15/20 519 KB
Mtg Notice IS MHRRC Nov 6 2020 Webinar Mtg Published 10/20/20 521 KB
Committee Action Report For Public Comment Agenda Nov 6 2020 Meeting LCN Published 02/03/21 470 KB
Committee Action Report For Public Comment Agenda Feb 28 2020 Meeting LCN Published 02/03/21 399 KB
IS MHRRC Meeting 1 Minutes Oct 7 19 Published 02/03/21 567 KB
IS MHRRC Meeting 2 Minutes Dec 2 3 19 Published 02/03/21 630 KB
IS MHRRC Meeting 3 Minutes Feb 28 20 Published 02/03/21 548 KB
IS MHRRC Meeting 4 Minutes Apr 21 20 Published 02/03/21 546 KB
Meeting Agenda Aug 15 2022 Published 07/13/22 38 KB