Other stories by Tom Klemens

  • Move It or Park It

    How to choose among your concrete pumping options.

  • We Love Pavement!

    We Americans love our pavement. We drive 3 trillion miles a year on more than 4 million miles of U.S. roadways. Clearly we're a nation on the go and we expect our roads, streets, and highways to be available and ready whenever, and wherever, we are.

  • Understanding F-Numbers

    First used on a large-scale commercial project in 1983, the F-number system for measuring floor flatness and levelness has been perhaps the most significant factor in enabling the construction of flatter and more level concrete floors.

  • Valuable Information, Conveniently Bundled

    A new book published by the American Society of Concrete Contractors (ASCC) chronicles the current state of tolerances related to concrete construction.

  • Construction Expertise on Ice?

    With so many factors affecting project development, the amount of construction work available is always growing or decreasing.

  • Surrounded by Data

    A large part of Colin Milberg's project that began in 2007 is simply collecting design and as-built data on concrete construction projects—and then figuring out exactly what and how to measure.

  • The Truth About BIM

    What is BIM, anyway? What most people in the construction world mean when they use this term these days is “building information modeling.”

  • Between Rocks and Hard Places

    The ACI Tolerances committee spent a grueling three and a half hours in St. Louis on Nov. 4 working through 45 comments from the Technical Activities Committee (TAC) on revisions to ACI 117, Specification for Tolerances for Concrete Construction and Materials. The TAC review is one of the last...

  • Target Practice

    When you take an idea from the lab to the field, there always are hurdles to overcome. Even with the best of planning, the time comes for a reality check, and this fall Colin Milberg is again dealing with such an issue.

  • Adding Art to Pervious

    Fundamental differences exist between flatwork made with pervious concrete and standard concrete. The surface texture differs noticeably, and when it comes to holding water, they're at opposite ends of the spectrum. But neither of those differences means that pervious can't be decorative.