Forensic Engineers and Consultants

Tag Archive: construction losses

  1. Installation of Structural Sheathing on Wood-Framed Structures

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    The facts presented in this blog lead to an interesting story.  During the heyday of the residential construction boom in coastal South Carolina circa 2005, many General Contractors were forced to go out-of-state to find framers and other subcontractors due to the demand creating a local labor shortage.  It turned out that the state of Texas had excess capacity and availability of framers and carpenters. Many Texas framing crews came to South Carolina to satisfy the shortage.  It soon became apparent that the Texas crews, many of which were from inland locations, were accustomed to installing 4’x8’ exterior wall sheathing with the long dimension vertical, i.e., parallel to the studs.  It is especially important and required that the long dimension be oriented perpendicular to the studs.  Laboratory testing has shown that (more…)

  2. Types of and Techniques for Reinforced Concrete Masonry Block Construction

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    Construction using concrete masonry blocks or units (CMU) is ubiquitous in the United States today, and in fact in the whole modern world.  CMU blockwork is a very versatile and relatively economical building material.  It is naturally strong in compression, but with reinforced, grout-filled cells, it can also withstand large shear, bending, and tensile loads imparted by lateral wind or seismic events.  In this article, I will discuss the various types of CMU designs, as well as terminology, construction techniques, and application uses.

    The design of CMU is typically comprised of hollow concrete “face shells” with (more…)

  3. What You May Not Know About Using a Concrete Test Hammer

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    When assessing potential problems in concrete structures, consider a non-destructive test using the concrete test hammer, AKA “rebound hammer,” before investing a lot of time and money needlessly replacing or destructively testing the concrete structure.  The use of rebound hammer tests should be considered before you or your client decide to drill multiple core samples. Large areas of the concrete structure suspected of having potential strength problems can be tested quickly with a rebound hammer.  Analysis of those results can narrow down specific areas for more rigorous testing. (more…)

  4. When the Walls Come Tumbling Down… Retaining Wall Basics

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    A wall is really boring until it fails. A retaining wall is supposed to hold back soil to either support a structure or keep a space clear. When it fails, both of those roles are compromised. A retaining wall does not have to collapse to fail. In fact, a failure is perhaps better defined as when the wall does not perform as expected. (more…)

  5. Timber – Falling Beam Strikes Worker

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    As an experienced safety consultant, I have investigated many serious injuries and deaths at construction sites over the past 39 years. The United States Department of Labor reports that the fatal injury rate for the construction industry is highest of all industries in the nation. Out of 4,386 worker fatalities in private industry in calendar year 2014, 899 or 20.5% were in construction i.e., one in five worker deaths were in construction. (more…)

  6. Safety Inspections for Outdoor Decks are Necessary

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    The North American Deck and Railing Association (NADRA) recognizes the month of May as Deck Safety Month®. This is the time of the year to get serious and take the necessary steps to safeguard your deck so that it is enjoyable not only for your family, but your friends and any visitors. The NADRA has a deck safety program and they just released a video in an effort to save lives and prevent injuries and to protect your family and friends. (more…)

  7. Who Else Owns This Construction Loss Course

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    When a worker is badly injured on a construction site, adjusters or investigators are often hired to determine pursuit or defense of a subrogation case.  This slideshow gives an overview of several real-world investigations and helps viewers understand some of the issues involved in construction related subrogatable incidents. (more…)

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