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Understanding the Principles and Procedures Behind ASCE 41

by Garrett Hagen, S.E.

June 11, 2024; 11:00 AM - 1:00 PM Pacific Time

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ICC Preferred Provider #1467
ICC Preferred Provider Course Number: 17760

Receive a 15% discount on any of our products when purchased with a seminar registration.

Seminar Description

The Standard for seismic retrofit and evaluation of existing buildings, ASCE/SEI 41, is required for the evaluation of all federal buildings as well as seismically vulnerable buildings targeted by some recently passed California ordinances. Although the Standard appears foreign to some design professionals used to the prescriptive force-based procedures developed for new building design, ASCE 41 provides clarification for many questions a design professional is confronted with in evaluating existing non-ductile buildings. This presentation highlights important issues with existing building evaluation not appropriately addressed by new building code. It then steps through the principles of using the ASCE 41 procedures and provides context for the various analysis sections.

The views and opinions expressed in this seminar are those of the speaker(s) and do not necessarily reflect those held by S. K. Ghosh Associates LLC.

Speaker Bio

Garrett Hagen joined Degenkolb after completing his Master of Science from California Polytechnic University, San Luis Obispo, where his graduate research involved performance-based analysis of concrete structural walls. Garrett actively contributes to research regarding earthquake resilience and developing the state of practice for earthquake-resistant structures through several published papers, committee reports, and the development of ASCE 41.

Garrett was a member of post-earthquake reconnaissance teams that surveyed earthquake damage in Taiwan in February 2016 and Mexico City in September of 2017. Bringing back lessons from the earthquakes, Garrett assisted with writing guidelines for the Los Angeles ordinances for LA’s existing non-ductile concrete and soft-story buildings. He is also co-chair for the SEAOSC Existing Building Committee and Chair of ACI Committee 369-D which updates the ASCE 41 provisions for walls and coupling beams. Garrett’s portfolio includes design and seismic strengthening schemes for a variety of facilities.

Registration Information

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* Registration on or before June 9, 2024

Please note a single registration allows you to have one connection. However, a number of people can view and listen to the seminar using one connection by using an LCD projector (or a large computer monitor) and good computer speakers or a speaker phone.

All attendees, irrespective of the number of registered connections, can earn 0.2 Continuing Education Units (CEUs) or 2.0 professional development hours (PDHs). CEU/PDH certificates are provided free of charge.

Small Business Registration

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Small Business Benefits and Eligibility


  • A connection is defined as a single web connection plus a single telephone connection (if necessary). If you want to sign up for more than one connection for this seminar, you will have the opportunity to do so after placing the seminar in your cart.
  • A $15 fee will apply if the seminar registrant wishes to revise the web seminar registration (e.g. switch from one web seminar to another).
  • Refunds are limited to 80 percent of fee and must be applied for in writing WITHIN THIRTY DAYS after the scheduled seminar.
  • We are a registered provider for continuing education in the State of Florida (Provider # 4732), the State of New York (Provider # 99), the State of New Jersey (Provider # 24GP00014200), the State of Maryland, and for the Structural Engineers Certification Board (SECB) of the National Council of Structural Engineers Associations (NCSEA).