Ensuring Success

Concrete Construction

Ultimately, success means getting paid on time. If the owner and general contractor are both solvent and reputable (items one and two on the due-diligence checklist), then the flatwork subcontractor’s success will depend most upon the owner’s satisfaction. Unfortunately, the owner’s happiness is often at odds with the floor described in the plans and specifications. […]

A House of Cards

Concrete Construction

ACI 318 excludes it from consideration as part of the structure. ACI 302 and 360 both focus on its utilitarian character. So obvious and pedestrian is its nature that neither American Concrete Institute, Portland Cement Association, Post-Tensioning Institute, Wire Reinforcement Institute, or U.S. Army Corps of Engineers state what constitutes a failure in its design. […]

A Time Bomb in Floor Tolerances?

Warning: Familiar flatness specifications are dangerous to your company’s health For years contractors regularly produced out-of-spec floors because owners hadn’t really needed their floors to be as flat as they were specifying. Extreme flatness was desirable but for the most part nonessential. Now, however, technology in warehouses and factories has resulted in the high-rise, narrow-aisle […]