2019 Colorado Concrete Conference

September 26, 2019
7:30 AM - 1:30 PM
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Lakewood Country Club
6800 West 10th Avenue
Lakewood, CO 80214


The 2019 Concrete Conference is held at the Lakewood Country Club located at 6800 W. 10th Avenue, Lakewood, CO.

The deadline to register online is close of business on Friday, September 20, 2019.


Registration fee includes full American buffet breakfast, coffee break, buffet lunch, seminar portfolio and presentations. A certificate for 4.0 Professional Development Hours will be issued to those attendees needing continuing education credit.  If you have questions about the conference, how to register, or have a special dietary request please contact Dawn Miller at Rocky Mountain Chapter ACI 702-203-7817 or [email protected]
Registration  Type Online
At the Door
RMACI Member $155 $180
Non-Member $185 $210



7:30 a.m. Check In/Breakfast Buffet
8:00 a.m. Opening Remarks
8:15 a.m. - 10:15 a.m. Presentations
10:15 a.m. Break/Network
10:30 a.m. - 12:30 p.m. Presentations
12:30 p.m. Lunch
  1:30 p.m. Conference Concludes



Beneficial Use of Slag Cement in Concrete Applications
Presented by: Mark Van Kleunen - Skyway Cement

This presentation will cover the uses, applications, and benefits of slag cement in concrete mix design.  Attendees will leave with a better understanding of the manufacturing process of slag cement as well as some of the major benefits of its use like sulfate and ASR mitigation, reduced heat of hydration, and strength gain.  The speaker will also highlight some best practices for placing, finishing and curing concrete with slag cement.  The presentation will also highlight association resources and award-winning case studies that utilized slag cement use in buildings, highways, airports, hospitals and more.

About the Speaker:  Mark Van Kleunen is currently a Technical Sales Engineer with Skyway Cement.  Previously, he was Director of Field Engineering for CeraTech and a Technical Services Manager with Holcim, Lehigh, Cemex and Riverside Cement with 30 years of experience in the cement and concrete industry. He has been involved in promoting slag cement in concrete applications for the past 20 years. He has a BSCE, MBA and LEED AP. He has held positions in other ACI chapters and ACI nationally.

How to Determine and Submit Concrete Mix Designs in Accordance with ACI 301 and ACI 318
Presented by: Jeff Groom, P.E. – CTL |Thompson

ACI 301 and 318 specifies different ways to proportion concrete mixes that meet the ACI 318 building code.  Ready mix suppliers and quality control personnel will learn how designers determine the concrete property specifications and the best way to develop concrete mixes for submittals.  Designers will learn what to look for in concrete submittals.

About the SpeakerJeff Groom is a Senior Principal Engineer at CTL|Thompson Materials Engineers in Denver, CO.  He holds a Bachelor’s and Master’s degree from the University of Wyoming.  After graduating Jeff went to work at CTL|Thompson specializing in testing of concrete related materials including cement, aggregates, and supplementary cementitious materials.  In addition, Jeff performs forensic analysis of concrete and concrete construction. Jeff has recently returned to CTL after spending twelve years in the Pacific and Indian Oceans.  The first eight years were spent in the construction industry where he worked on military projects in the Marshall Islands and Diego Garcia.  His last four years in the Pacific. Jeff was the Office Manager for an international design firm on the island of Guam. Jeff is a member of ASTM Committee C09, ACI, and is on the Board of Directors of the Colorado Ready Mixed Concrete Association.  In addition, Jeff serves on the Education Advisory Board for the World of Concrete and has been a regular speaker at World of Concrete for over 15 years.  He is a past president of the Rocky Mountain Chapter ACI (1993).   

Knowledge & Best Practices for Mass Concrete: From Specification to Construction
Presented by: Oscar Antommattei, P.E., FACI – Kiewit Engineering Group Inc. 

Mass concrete commonly requires means and methods to reduce maximum temperature, mitigate temperature difference, and other project-specific requirements. Temperature limits can affect mix design selection, reinforcement details, construction operations and even compliance to specifications for mass concrete related work. Today’s specifications typically limit temperatures to conservative default values referenced in industry standards. However,  current standards for mass concrete often do not reflect the current state of knowledge, performance, or experience from field practitioners; frequently resulting in challenging and difficult scenarios during design and construction of mass concrete placements. The presentation focuses on implementation of today’s knowledge and best practices into industry standards for mass concrete with an overview of challenges from design to construction and opportunities in projects from a field practitioners’ perspective. 

About the Speaker:  Oscar R. Antommattei, MS, PE, FACI, is the Engineering Manager that leads the Materials Engineering team at Kiewit.  His 18 years of experience in the industry has focused on concrete materials and construction, including supporting over 100 projects requiring thermal control for mass concrete in North America. Oscar serves on several committees in ACI, ASTM, CSA and ASCC. He is a member of ACI 301-H subcommittee on mass concrete and has been responsible for leading the most recent revisions of the ACI 207.1 Guide to Mass Concrete and the CSA A23.1 standard requirements for mass concrete in Canada. He is currently the Chair of ACI 305 Hot Weather Committee and the Chair of ACI 201-G Subcommittee for the Specification on Executing Durability in Concrete Construction.

Fundamentals of Self-Consolidating Concrete
Presented by: G. Terry Harris, FACI – GCP Applied Technologies

The concrete industry has been using SCC for more than 20 years in the USA and it is still a very small  portion of the ready-mix concrete market. The precast industry has a much higher adoption rate for using SCC. We will take a look at the fundamentals of mixture proportioning, quality control, placing techniques and test methods that allow for the most pain free production of SCC in either the precast or ready-mix market.

About the Speaker: Terry Harris Sr. started in the concrete industry in 1979 and has enjoyed 40 years of experience with ready mix, precast, masonry and admixtures. He is an active participant in ACI, ASTM, NRMCA, PCA, ACPA, RCC Council, ACI Strategic Development Council and the RMC Foundation Advisory Council. Past Chair of ACI Certification Committee and ACI 305 Hot Weather. Currently Chairs the ACI Fellows Nominating Committee,  ASTM C09.23.03, Chemical Admixtures and is Secretary of ACI 212 Chemical Admixtures.   Terry is a member of numerous ASTM, ACI, NPCA committees and the NRMCA RES Committee. He has a degree in Concrete Technology from Daytona State College and is an ACI Fellow. Terry has been married to Amy Harris for 39 years, they have 4 sons and 11 grandchildren. Terry and Amy are both active in their Church and work there with underprivileged youth.


Breakfast Sponsor $750 (limit 2) - includes sponsor sign at breakfast, company logo on the Chapter website, in PowerPoint presentation at conference, and registration for one attendee.

Conference Sponsor $250 - includes company logo on Chapter website, in PowerPoint presentation at conference, and registration for one attendee.


$155.00 RMACI Member
$130.00 Earlybird rate before September 6

$185.00 Non-Member
$160.00 Earlybird rate before September 6

$250.00 Conference Sponsor

$750.00 Breakfast Sponsor

$1,000.00 Premium Sponsor