2020 SEAC Fall Seminar Webinar

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October 7th - 8th, 2020

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2020 Topics

Words from the President

It is an understatement that 2020 has been full of challenges, affecting our interactions and workflows. With COVID-19 remaining at the forefront and the need for social distancing to protect our members and community, we have decided to move the 2020 Fall Seminar to a webinar only event.

We greatly appreciate SEAC members‘ participation in our remote events during this unique time in our history. SEAC is working on other social distanced programming in the upcoming months to enrich our membership. Attendance in the webinar-based SEAC events to date has been encouraging, and I am hoping the Fall Seminar will follow this trend. We are very excited about the Fall Seminar topics this year, focusing on existing structures design, vibration design for concrete floor systems, and the new concrete design guide for ACI 318-19. These topics have been requested by SEAC membership in previous years, and we hope all attendees find the content valuable.

I look forward to meeting again in person when it is safe for our community to do so. In the meantime, I am excited for another successful Fall Seminar, just a little different this year.

Chad Mitchell

SEAC President

Seminar Schedule: 4 PDH

Oct. 7 - 12pm - 2pmExisting Structures - It Is All about the Approach
Oct. 8 - 12pm-2pm

How to Select a Reinforced Concrete Floor System for Vibration
Overview of CRSI‘s Design Guide on the ACI 318 Building Code Requirements for Structural Concrete




October 7:

How to Select a Reinforced ConcreteFloor System for Vibration -David A. Fanella, Ph.D., S.E., P.E., F.ACI, F.ASCE, F.SEI

This presentation provides detailed information on how to select an appropriate flat plate, flat plate voided concrete, two-way joist, and wide-module floor systems for various vibration acceptance criteria. The main topics are (1) sources of vibration, (2) vibration acceptance criteria, (3) vibration characteristics of reinforced concrete floor systems, and (4) selection process. Presented are charts and design aids that give required overall thicknesses that satisfy acceptance criteria for walking excitations, rhythmic excitations, and sensitive equipment as a function of span length. Simplified methods are presented on how to calculate important vibration characteristics of floor systems, including natural frequency.

Overview of CRSI‘s Design Guide on the ACI 318 Building Code Requirements for Structural Concrete -David A. Fanella, Ph.D., S.E., P.E., F.ACI, F.ASCE, F.SEI

This presentation provides a concise overview of the recently publishedDesign Guide on the ACI 318 Building Code Requirements for Structural Concreteby CRSI. The main goals of this publication are to provide (1) a simplified roadmap that can be used to navigate through the requirements in Building Code Requirements for Structural Concrete (ACI 318-19) and (2) step-by-step design procedures and design aids that make designing and detailing cast-in-place concrete buildings with non-prestressed reinforcement simpler and faster. The content of the 996-page Design Guide is highlighted chapter by chapter throughout the presentation, including information on the over 140 examples, which illustrate proper application of the code requirements. Design procedures and design aids that can be used in everyday practice are also highlighted, as are the major changes that occurred in ACI 318-19.

October 8:
Existing StructuresIt Is All about the Approach -SEAC Existing Structures Committee including Peter Marxhausen, M.S., P.E., Gene Stevens, P.E., S.E., and Evan Hammel, M.S., P.E.

The SEAC Existing Structures Committee will be presenting on the practice of structural engineering on existing structures for the 2020 SEAC Fall Seminar. For this presentation, we will discuss and highlight the International Existing Building Code (IEBC) and the applicable sections for modification to existing buildings, all the while keeping in mind the essential aspects of communicating this to our clients and how these deliverables can vary from traditional new design work. We will showcase how different approaches affect the deliverables for specific projects, using case studies to demonstrate how fieldwork can influence working with existing buildings, and briefly show the benefits of different fieldwork. All the while, we will provide anecdotes and experience in communicating the structural engineer‘s work to clients and how the IEBC can guide their work as well.

Meet the Presenters

Registration includes both days (October 7 and 8). PDH will be awarded for seminar attendance on both days, and there is no one-day registration available.

Earlybird discount is available through September 28, 2020

2020 Group Discount Codes:
If you are registering multiple people, please use the following discount codes if they apply:

2020FS10 - 10% discount for 5-9 people
2020FS15 - 15% discount for 10+ people

The code will not apply until that many people are registered. Threshold codes are applied at the very end of event registration.

Registration Fees:

Registration Typeby September 28after September 28
SEAC Member$110$140

Register Now

Thank you to our sponsors! Click on the logos to go to sponsor websites for more information.





PO Box 132714
Dallas, TX 75313
Lam-Wood Systems, Inc.
1580 W 47th Ave.
Denver, CO 80211
25909Pala, Ste. 200
Mission Viejo, CA 92691
Simpson Strong-Tie Co. Inc.
4909 Nautilus Ct. N #210
Boulder, CO 80301





Would you like to become a sponsor?
Contact Becky Roland at administrator@seacolorado.org, or give us a call at 303-551-3266!