The Building Code and the Post-Tensioned Institute (PTI) - Part 4

Posted on March 23, 2024 by David Sparks

Part 4 is an addendum to our 3 part series regarding PTI, ACI and the I Codes. This item shares some of the knowledge we gained regarding the code change process and what is likely coming down the line.

The Building Code and the Post-Tensioned Institute (PTI) - Part 3

Posted on March 18, 2024 by David Sparks

Part 3 of this three part series addresses the PTI's position regarding ACI as well as an excellent PTI journal entry by Ken Bondy and why w/cm ratio need not be specifically limited.

The Building Code and the Post-Tensioned Institute (PTI) - Part 2

Posted on March 16, 2024 by David Sparks

Building off of our previous post mapping out the highway through the scope of the building code, we will show how the DC10.5 document is stand-alone and independent of outside durability requirements.

The Building Code and the Post-Tensioned Institute (PTI) - Part 1

Posted on March 15, 2024 by David Sparks

Ever wonder how the PTI DC10.5 standard relates to other standards like the "I Codes" and why it matters to us all?

Anirudh Kode - Cross-Laminated Timber Diaphragm

Posted on January 6, 2021 by David Sparks

Anirudh Kode of the Denver, CO office has a technical paper regarding lateral load testing of a full-scale cross-laminated timber diaphragm published in the ASCE library that he co-authored! Nice work, Anirudh!

Congratulations to Phill Cooper on his happy retirement

Posted on February 3, 2020 by David Sparks

We would like to take the time to celebrate Phill Cooper's tenure with Felten Group. He contributed many years of service to the success of our company. As of January 31, 2020, Phill is officially retired. He has no commute time, no deadlines, and no schedule (no paycheck either :-) ). We wish him all the best in what his retirement brings. Thank you, Phill!

Congratulations to Mark Matthews

Posted on September 18, 2019 by David Sparks

We are pleased to announce that Mark Matthews has been promoted to Vice President of Engineering – Colorado. Mark has been a successful leader and manager during his tenure in Colorado. We are grateful for Mark’s leadership and dedication to our clients and to our team. Congratulations Mark!


Posted on November 14, 2018 by David Sparks

Many of us still remember the 2012 code cycle. Disharmony arose between the IBC and IRC when the two model codes referenced different versions of ASCE7 with respect to wind loading.

Felten Group – Results of One Source Collaboration

Posted on August 14, 2018 by David Sparks

Outstanding Results Produced By One Source Collaboration Between Architecture and Engineering

ASCE7-16 Wind Pressures at Elevation

Posted on February 24, 2017 by David Sparks

It is no secret to anybody who runs, hikes, bikes, or generally performs any physical activity in higher elevations that it is harder to keep up a similar level of activity that you would have been able to do at sea level.