Technical

Bruce Suprenant, Technical Director, The Voice Newsletter February 2020 Gym floors in schools—the battle between the concrete contractor and gym floor installers was the beginning of the ASCC Position Statements. Concrete contractors were meeting the F-numbers stated in the project specifications but the gym floor installers were not happy with the concrete surface. They did not like the ...

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Input Needed – Rubbed Finishes

Posted on January 01, 2020 in: Technical

Bruce Suprenant, Technical Director, The Voice Newsletter January 2020 We need your assistance. Ward Malisch and I are working on a draft of an article on rubbed finishes. Over the past 50 years, there has been much confusion about a rub finish and how it is accomplished. In addition, concrete curing specifications requiring forms to be left in place for 3 to 7 days, and a trend toward stronger...

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Bruce Suprenant, Technical Director, The Voice Newsletter December 2019 Background: ACI 117 has never specified tolerances for welded wire reinforcement (WWR), stating in the Mandatory Requirements Checklist that “tolerances for fabrication, placement, and lap splices for welded wire reinforcement must be specified by the Specifier.” Without WWR tolerances in ACI 117, ACI 301 in the...

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Bruce Suprenant, Technical Director, The Voice Newsletter October 2019 American Society of Concrete Contractors (ASCC) organized a study to evaluate laser scanning for F-numbers. The study was conducted on a construction site in Walnut Creek, CA, October 6 and 7, 2018. Eight participants (each comprising one to three individuals) scanned portions of the project, and their measurements were comp...

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Be a Resource; ASCC Has Your Back

Posted on September 01, 2019 in: Technical

Bruce Suprenant, Technical Director, The Voice Newsletter September 2019 Some time ago, an architect from Washington D.C. called to ask about polished concrete. Rather than answer his questions directly, we referred him to a CPC member. That CPC member developed a relationship with the architect and ended up doing some work for him. Recently, ASCC received requests from the facilities managemen...

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Bruce Suprenant, Technical Director, The Voice Newsletter July 2019 310 Decorative Concrete, a joint ACI-ASCC committee currently chaired by Clark Branum of Diamatic USA, is best known for producing ACI 310R-13 “Guide to Decorative Concrete”. But subcommittee 310-0J, chaired by Pat Harrison of Structural Services Inc, and assisted by many CPC members, has developed a new document &l...

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Bruce Suprenant, Technical Director, The Voice Newsletter March 2019 You might be aware that ACI has introduced a new code change proposal that would add a reference to ACI 117 Specification for Tolerances for Concrete Construction and Materials and ITG-7 Specification for Tolerances for Precast Concrete in the International Code Council (ICC) International Building Code (IBC). This is a new co...

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Bruce Suprenant, Technical Director, The Voice Newsletter January/February 2019 The American Concrete Institute expects to publish “ACI 318-19: Building Code Requirements for Structural Concrete” in 2019. The new edition will be the first since the reorganized format was published in 2014 and will include new and updated code provisions along with updated color illustrations for cla...

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Bruce Suprenant, Technical Director, The Voice Newsletter November 2018 ACI’s newest committee, 134, Constructability, has been providing contributions to a constructability column in ACI Concrete International. Members of 134 include Jim Cornell of JN Cornell Associates as chair, Bruce Suprenant, TAC contact, and Bev Garnant as a voting member, along with the following ASCC contractor me...

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Online Learning Opportunities

Posted on July 01, 2018 in: Technical

Bruce Suprenant, Technical Director, The Voice Newsletter July 2018 I hope you’re familiar with the ASCC on-line learning through the webinar series. ASCC offered 10 webinars in 2017 and has offered four in 2018. They are a great opportunity to learn from experienced presenters. While you might be aware of the ASCC webinars, ACI also offers online training through its ACI University. ACI ...

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