Master builder John Weaver and a handful of farmers built Rohrbach’s Bridge over Antietam Creek in 1836. They built the creamy white stone bridge with three magnificent barrel arches and elegant proportions: 14 ft. 9 in wide and 125 ft. long. They made wood-capped parapets atop the structure of limestone sourced locally from there around …
Training on aerial work platforms, scaffolds, swing-stages and mast climbers is vital in the effort to reduce serious injury or death on construction sites. Working at height requires a safe working attitude, a respect for the challenges of working at height, and comprehensive training. Talk to trainers about their training experiences and they will relate …
Working through winter can be almost unbearable, but it doesn’t have to be. We reached out to contractors who have experience with cold weather construction for their input. One company is from the Northeast and the other from the Midwest, so they’ve experienced their fair share of winters and have a wealth of knowledge on …
Cold Weather Block Construction: A Sit Down with Two Contractors Read More
Once upon a time, stone castles were conceived with protection from enemies as a primary objective. Thus, top of hill locations, moats encircling them, stone construction and access points were all seriously considered. The main entry was usually one level above the ground, and occupants would lower and raise a ladder as needed for entering …
Ancient Egyptians were marvels of invention and construction and deemed the most advanced civilization the world had yet known. It thrived more than 1,000 years and created all kinds of innovative products which are commonplace still today — eye makeup, written language, papyrus sheets (well before the Chinese invented paper), the plow, toothpaste, shaving implements, …
Don’t miss MASONRY MADNESS® at the World of Concrete/World of Masonry in Las Vegas! It’s a collection of the most exciting masonry competitions in the world and it all takes place on one day, at one location. There’s nothing like it on the planet! Four intense battles, one event after the other, you’ll see the …
Wood rails in Europe in the mid-1500s served as “wagonways” for horse-drawn carts to move easier than on dirt roads. A couple centuries later, iron was used for both the rails and wheels, and the term became “tramways”. Of course, the steam engine changed everything. Between American Colonel John Stevens and British inventor George Stephenson, …
Field testing of masonry materials is a component of many quality assurance programs on projects. Properly done, testing can provide the necessary assurances that the materials used in construction comply with relevant specifications and that the resulting construction will perform as designed. We have all been on projects, however, when the word comes back that …
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